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riscv-gcc-1
Commit abdbd4a8 by Bryce McKinlay
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This commit was generated by cvs2svn to compensate for changes in r42373, 

which included commits to RCS files with non-trunk default branches.

From-SVN: r42374
parent f54d4287
Showing with 1635 additions and 913 deletions
boehm-gc/NT_THREADS_MAKEFILE
# Microsoft Developer Studio Generated NMAKE File, Format Version 4.10
# ** DO NOT EDIT **
# This has been hand-edited way too many times.
# A clean, manually generated makefile would be an improvement.
# TARGTYPE "Win32 (x86) Application" 0x0101
# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
......@@ -72,6 +73,8 @@ CLEAN :
-@erase ".\Release\finalize.obj"
-@erase ".\Release\finalize.sbr"
-@erase ".\Release\gc.bsc"
-@erase ".\Release\gc_cpp.obj"
-@erase ".\Release\gc_cpp.sbr"
-@erase ".\Release\gc.dll"
-@erase ".\Release\gc.exp"
-@erase ".\Release\gc.lib"
......@@ -111,8 +114,8 @@ CLEAN :
CPP=cl.exe
# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /c
# ADD CPP /nologo /MD /W3 /GX /O2 /D "NDEBUG" /D "SILENT" /D "GC_BUILD" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /FR /YX /c
CPP_PROJ=/nologo /MD /W3 /GX /O2 /D "NDEBUG" /D "SILENT" /D "GC_BUILD" /D\
# ADD CPP /nologo /MD /W3 /GX /O2 /I include /D "NDEBUG" /D "SILENT" /D "GC_BUILD" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /FR /YX /c
CPP_PROJ=/nologo /MD /W3 /GX /O2 /I include /D "NDEBUG" /D "SILENT" /D "GC_BUILD" /D\
"WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D\
"WIN32_THREADS" /FR"$(INTDIR)/" /Fp"$(INTDIR)/gc.pch" /YX /Fo"$(INTDIR)/" /c
CPP_OBJS=.\Release/
......@@ -155,6 +158,7 @@ BSC32_SBRS= \
".\Release\dbg_mlc.sbr" \
".\Release\dyn_load.sbr" \
".\Release\finalize.sbr" \
".\Release\gc_cpp.sbr" \
".\Release\headers.sbr" \
".\Release\mach_dep.sbr" \
".\Release\malloc.sbr" \
......@@ -192,6 +196,7 @@ LINK32_OBJS= \
".\Release\dbg_mlc.obj" \
".\Release\dyn_load.obj" \
".\Release\finalize.obj" \
".\Release\gc_cpp.obj" \
".\Release\headers.obj" \
".\Release\mach_dep.obj" \
".\Release\malloc.obj" \
......@@ -245,6 +250,8 @@ CLEAN :
-@erase ".\Debug\dyn_load.sbr"
-@erase ".\Debug\finalize.obj"
-@erase ".\Debug\finalize.sbr"
-@erase ".\Debug\gc_cpp.obj"
-@erase ".\Debug\gc_cpp.sbr"
-@erase ".\Debug\gc.bsc"
-@erase ".\Debug\gc.dll"
-@erase ".\Debug\gc.exp"
......@@ -289,8 +296,8 @@ CLEAN :
CPP=cl.exe
# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /c
# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /D "_DEBUG" /D "SILENT" /D "GC_BUILD" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /FR /YX /c
CPP_PROJ=/nologo /MDd /W3 /Gm /GX /Zi /Od /D "_DEBUG" /D "SILENT" /D "GC_BUILD"\
# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I include /D "_DEBUG" /D "SILENT" /D "GC_BUILD" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /FR /YX /c
CPP_PROJ=/nologo /MDd /W3 /Gm /GX /Zi /Od /I include /D "_DEBUG" /D "SILENT" /D "GC_BUILD"\
/D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D\
"WIN32_THREADS" /FR"$(INTDIR)/" /Fp"$(INTDIR)/gc.pch" /YX /Fo"$(INTDIR)/"\
/Fd"$(INTDIR)/" /c
......@@ -334,6 +341,7 @@ BSC32_SBRS= \
".\Debug\dbg_mlc.sbr" \
".\Debug\dyn_load.sbr" \
".\Debug\finalize.sbr" \
".\Debug\gc_cpp.sbr" \
".\Debug\headers.sbr" \
".\Debug\mach_dep.sbr" \
".\Debug\malloc.sbr" \
......@@ -371,6 +379,7 @@ LINK32_OBJS= \
".\Debug\dbg_mlc.obj" \
".\Debug\dyn_load.obj" \
".\Debug\finalize.obj" \
".\Debug\gc_cpp.obj" \
".\Debug\headers.obj" \
".\Debug\mach_dep.obj" \
".\Debug\malloc.obj" \
......@@ -416,10 +425,13 @@ CLEAN :
"$(OUTDIR)" :
if not exist "$(OUTDIR)/$(NULL)" mkdir "$(OUTDIR)"
test.c : tests\test.c
copy tests\test.c test.c
CPP=cl.exe
# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /c
# ADD CPP /nologo /MD /W3 /GX /O2 /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /YX /c
CPP_PROJ=/nologo /MD /W3 /GX /O2 /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D\
# ADD CPP /nologo /MD /W3 /GX /O2 /I include /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /YX /c
CPP_PROJ=/nologo /MD /W3 /GX /O2 /I include /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D\
"ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS"\
/Fp"$(INTDIR)/gctest.pch" /YX /Fo"$(INTDIR)/" /c
CPP_OBJS=.\gctest\Release/
......@@ -505,7 +517,7 @@ CLEAN :
CPP=cl.exe
# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /c
# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /FR /YX /c
CPP_PROJ=/nologo /MDd /W3 /Gm /GX /Zi /Od /D "_DEBUG" /D "WIN32" /D "_WINDOWS"\
CPP_PROJ=/nologo /MDd /W3 /Gm /GX /Zi /Od /I include /D "_DEBUG" /D "WIN32" /D "_WINDOWS"\
/D "ALL_INTERIOR_POINTERS" /D "__STDC__" /D "WIN32_THREADS" /FR"$(INTDIR)/"\
/Fp"$(INTDIR)/gctest.pch" /YX /Fo"$(INTDIR)/" /Fd"$(INTDIR)/" /c
CPP_OBJS=.\gctest\Debug/
......@@ -596,7 +608,7 @@ CLEAN :
CPP=cl.exe
# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /c
# ADD CPP /nologo /MD /W3 /GX /O2 /I "." /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /YX /c
CPP_PROJ=/nologo /MD /W3 /GX /O2 /I "." /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D\
CPP_PROJ=/nologo /MD /W3 /GX /O2 /I "." /I include /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D\
"ALL_INTERIOR_POINTERS" /Fp"$(INTDIR)/cord.pch" /YX /Fo"$(INTDIR)/" /c
CPP_OBJS=.\cord\Release/
CPP_SBRS=.\.
......@@ -688,7 +700,7 @@ CLEAN :
CPP=cl.exe
# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /c
# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "." /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D "ALL_INTERIOR_POINTERS" /YX /c
CPP_PROJ=/nologo /MDd /W3 /Gm /GX /Zi /Od /I "." /D "_DEBUG" /D "WIN32" /D\
CPP_PROJ=/nologo /MDd /W3 /Gm /GX /Zi /Od /I "." /I include /D "_DEBUG" /D "WIN32" /D\
"_WINDOWS" /D "ALL_INTERIOR_POINTERS" /Fp"$(INTDIR)/cord.pch" /YX\
/Fo"$(INTDIR)/" /Fd"$(INTDIR)/" /c
CPP_OBJS=.\cord\Debug/
......@@ -763,15 +775,65 @@ LINK32_OBJS= \
################################################################################
# Begin Source File
SOURCE=.\gc_cpp.cpp
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_RECLA=\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
".\include\gc_cpp.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_RECLA=\
".\th\PCR_Th.h"\
".\th\PCR_ThCrSec.h"\
".\th\PCR_ThCtl.h"\
".\Release\gc_cpp.obj" : $(SOURCE) $(DEP_CPP_RECLA) "$(INTDIR)"
".\Release\gc_cpp.sbr" : $(SOURCE) $(DEP_CPP_RECLA) "$(INTDIR)"
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_RECLA=\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
".\include\gc_cpp.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_RECLA=\
".\th\PCR_Th.h"\
".\th\PCR_ThCrSec.h"\
".\th\PCR_ThCtl.h"\
".\Debug\gc_cpp.obj" : $(SOURCE) $(DEP_CPP_RECLA) "$(INTDIR)"
".\Debug\gc_cpp.sbr" : $(SOURCE) $(DEP_CPP_RECLA) "$(INTDIR)"
!ENDIF
# End Source File
################################################################################
# Begin Source File
SOURCE=.\reclaim.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_RECLA=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_RECLA=\
......@@ -788,10 +850,10 @@ NODEP_CPP_RECLA=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_RECLA=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_RECLA=\
......@@ -808,6 +870,7 @@ NODEP_CPP_RECLA=\
!ENDIF
# End Source File
################################################################################
# Begin Source File
......@@ -816,10 +879,10 @@ SOURCE=.\os_dep.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_OS_DE=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\STAT.H"\
{$(INCLUDE)}"\sys\TYPES.H"\
......@@ -840,10 +903,10 @@ NODEP_CPP_OS_DE=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_OS_DE=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\STAT.H"\
{$(INCLUDE)}"\sys\TYPES.H"\
......@@ -872,10 +935,10 @@ SOURCE=.\misc.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_MISC_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MISC_=\
......@@ -893,10 +956,10 @@ NODEP_CPP_MISC_=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_MISC_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MISC_=\
......@@ -922,10 +985,10 @@ SOURCE=.\mark_rts.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_MARK_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MARK_=\
......@@ -942,10 +1005,10 @@ NODEP_CPP_MARK_=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_MARK_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MARK_=\
......@@ -970,10 +1033,10 @@ SOURCE=.\mach_dep.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_MACH_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MACH_=\
......@@ -990,10 +1053,10 @@ NODEP_CPP_MACH_=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_MACH_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MACH_=\
......@@ -1018,10 +1081,10 @@ SOURCE=.\headers.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_HEADE=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_HEADE=\
......@@ -1038,10 +1101,10 @@ NODEP_CPP_HEADE=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_HEADE=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_HEADE=\
......@@ -1066,10 +1129,10 @@ SOURCE=.\alloc.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_ALLOC=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_ALLOC=\
......@@ -1086,10 +1149,10 @@ NODEP_CPP_ALLOC=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_ALLOC=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_ALLOC=\
......@@ -1114,10 +1177,10 @@ SOURCE=.\allchblk.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_ALLCH=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_ALLCH=\
......@@ -1134,10 +1197,10 @@ NODEP_CPP_ALLCH=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_ALLCH=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_ALLCH=\
......@@ -1162,10 +1225,10 @@ SOURCE=.\stubborn.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_STUBB=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_STUBB=\
......@@ -1182,10 +1245,10 @@ NODEP_CPP_STUBB=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_STUBB=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_STUBB=\
......@@ -1210,10 +1273,10 @@ SOURCE=.\obj_map.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_OBJ_M=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_OBJ_M=\
......@@ -1230,10 +1293,10 @@ NODEP_CPP_OBJ_M=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_OBJ_M=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_OBJ_M=\
......@@ -1258,10 +1321,10 @@ SOURCE=.\new_hblk.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_NEW_H=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_NEW_H=\
......@@ -1278,10 +1341,10 @@ NODEP_CPP_NEW_H=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_NEW_H=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_NEW_H=\
......@@ -1306,11 +1369,12 @@ SOURCE=.\mark.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_MARK_C=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MARK_C=\
......@@ -1327,11 +1391,12 @@ NODEP_CPP_MARK_C=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_MARK_C=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MARK_C=\
......@@ -1356,10 +1421,10 @@ SOURCE=.\malloc.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_MALLO=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MALLO=\
......@@ -1376,10 +1441,10 @@ NODEP_CPP_MALLO=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_MALLO=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MALLO=\
......@@ -1404,10 +1469,10 @@ SOURCE=.\mallocx.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_MALLX=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MALLX=\
......@@ -1424,10 +1489,10 @@ NODEP_CPP_MALLX=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_MALLX=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_MALLX=\
......@@ -1452,11 +1517,12 @@ SOURCE=.\finalize.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_FINAL=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_FINAL=\
......@@ -1473,11 +1539,12 @@ NODEP_CPP_FINAL=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_FINAL=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_FINAL=\
......@@ -1502,10 +1569,10 @@ SOURCE=.\dbg_mlc.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_DBG_M=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_DBG_M=\
......@@ -1522,10 +1589,10 @@ NODEP_CPP_DBG_M=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_DBG_M=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_DBG_M=\
......@@ -1550,10 +1617,10 @@ SOURCE=.\blacklst.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_BLACK=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_BLACK=\
......@@ -1570,10 +1637,10 @@ NODEP_CPP_BLACK=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_BLACK=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_BLACK=\
......@@ -1598,12 +1665,13 @@ SOURCE=.\typd_mlc.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_TYPD_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\gc_typed.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
".\include\gc_typed.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_TYPD_=\
......@@ -1620,12 +1688,13 @@ NODEP_CPP_TYPD_=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_TYPD_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\gc_typed.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
".\include\gc_typed.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_TYPD_=\
......@@ -1650,11 +1719,12 @@ SOURCE=.\ptr_chck.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_PTR_C=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_PTR_C=\
......@@ -1671,11 +1741,12 @@ NODEP_CPP_PTR_C=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_PTR_C=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_mark.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_pmark.h"\
".\include\gc_mark.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_PTR_C=\
......@@ -1700,10 +1771,10 @@ SOURCE=.\dyn_load.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_DYN_L=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\STAT.H"\
{$(INCLUDE)}"\sys\TYPES.H"\
......@@ -1723,10 +1794,10 @@ NODEP_CPP_DYN_L=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_DYN_L=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\STAT.H"\
{$(INCLUDE)}"\sys\TYPES.H"\
......@@ -1754,10 +1825,10 @@ SOURCE=.\win32_threads.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_WIN32=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_WIN32=\
......@@ -1774,10 +1845,10 @@ NODEP_CPP_WIN32=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_WIN32=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_WIN32=\
......@@ -1802,10 +1873,10 @@ SOURCE=.\checksums.c
!IF "$(CFG)" == "gc - Win32 Release"
DEP_CPP_CHECK=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_CHECK=\
......@@ -1822,10 +1893,10 @@ NODEP_CPP_CHECK=\
!ELSEIF "$(CFG)" == "gc - Win32 Debug"
DEP_CPP_CHECK=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_CHECK=\
......@@ -1876,13 +1947,13 @@ NODEP_CPP_CHECK=\
################################################################################
# Begin Source File
SOURCE=.\test.c
SOURCE=.\tests\test.c
DEP_CPP_TEST_=\
".\gcconfig.h"\
".\gc.h"\
".\gc_hdrs.h"\
".\gc_priv.h"\
".\gc_typed.h"\
".\include\private\gcconfig.h"\
".\include\gc.h"\
".\include\private\gc_hdrs.h"\
".\include\private\gc_priv.h"\
".\include\gc_typed.h"\
{$(INCLUDE)}"\sys\TYPES.H"\
NODEP_CPP_TEST_=\
......@@ -1944,13 +2015,13 @@ NODEP_CPP_TEST_=\
SOURCE=.\cord\de_win.c
DEP_CPP_DE_WI=\
".\cord\cord.h"\
".\include\cord.h"\
".\cord\de_cmds.h"\
".\cord\de_win.h"\
".\cord\private\cord_pos.h"\
".\include\private\cord_pos.h"\
NODEP_CPP_DE_WI=\
".\cord\gc.h"\
".\include\gc.h"\
!IF "$(CFG)" == "cord - Win32 Release"
......@@ -1975,13 +2046,13 @@ NODEP_CPP_DE_WI=\
SOURCE=.\cord\de.c
DEP_CPP_DE_C2e=\
".\cord\cord.h"\
".\include\cord.h"\
".\cord\de_cmds.h"\
".\cord\de_win.h"\
".\cord\private\cord_pos.h"\
".\include\private\cord_pos.h"\
NODEP_CPP_DE_C2e=\
".\cord\gc.h"\
".\include\gc.h"\
!IF "$(CFG)" == "cord - Win32 Release"
......@@ -2006,12 +2077,12 @@ NODEP_CPP_DE_C2e=\
SOURCE=.\cord\cordxtra.c
DEP_CPP_CORDX=\
".\cord\cord.h"\
".\cord\ec.h"\
".\cord\private\cord_pos.h"\
".\include\cord.h"\
".\include\ec.h"\
".\include\private\cord_pos.h"\
NODEP_CPP_CORDX=\
".\cord\gc.h"\
".\include\gc.h"\
!IF "$(CFG)" == "cord - Win32 Release"
......@@ -2036,11 +2107,11 @@ NODEP_CPP_CORDX=\
SOURCE=.\cord\cordbscs.c
DEP_CPP_CORDB=\
".\cord\cord.h"\
".\cord\private\cord_pos.h"\
".\include\cord.h"\
".\include\private\cord_pos.h"\
NODEP_CPP_CORDB=\
".\cord\gc.h"\
".\include\gc.h"\
!IF "$(CFG)" == "cord - Win32 Release"
......
boehm-gc/cord/cordtest.c
......@@ -14,6 +14,7 @@
# include "cord.h"
# include <string.h>
# include <stdio.h>
# include <stdlib.h>
/* This is a very incomplete test of the cord package. It knows about */
/* a few internals of the package (e.g. when C strings are returned) */
/* that real clients shouldn't rely on. */
......
boehm-gc/include/gc.h
......@@ -29,8 +29,56 @@
#ifndef _GC_H
# define _GC_H
#if defined(_SOLARIS_PTHREADS) && !defined(SOLARIS_THREADS)
# define SOLARIS_THREADS
#endif
/*
* Some tests for old macros. These violate our namespace rules and will
* disappear shortly.
*/
#if defined(SOLARIS_THREADS) || defined(_SOLARIS_THREADS)
# define GC_SOLARIS_THREADS
#endif
#if defined(_SOLARIS_PTHREADS)
# define GC_SOLARIS_PTHREADS
#endif
#if defined(IRIX_THREADS)
# define GC_IRIX_THREADS
#endif
#if defined(HPUX_THREADS)
# define GC_HPUX_THREADS
#endif
#if defined(OSF1_THREADS)
# define GC_OSF1_THREADS
#endif
#if defined(LINUX_THREADS)
# define GC_LINUX_THREADS
#endif
#if defined(WIN32_THREADS)
# define GC_WIN32_THREADS
#endif
#if defined(USE_LD_WRAP)
# define GC_USE_LD_WRAP
#endif
#if !defined(_REENTRANT) && (defined(GC_SOLARIS_THREADS) \
|| defined(GC_SOLARIS_PTHREADS) \
|| defined(GC_HPUX_THREADS) \
|| defined(GC_LINUX_THREADS))
# define _REENTRANT
/* Better late than never. This fails if system headers that */
/* depend on this were previously included. */
#endif
# define __GC
# include <stddef.h>
# ifdef _WIN32_WCE
/* Yet more kluges for WinCE */
# include <stdlib.h> /* size_t is defined here */
typedef long ptrdiff_t; /* ptrdiff_t is not defined */
# endif
#if defined(__CYGWIN32__) && defined(GC_USE_DLL)
#include "libgc_globals.h"
......@@ -44,9 +92,10 @@
# endif
#endif
#if defined(_MSC_VER) && defined(_DLL)
#if defined(_MSC_VER) && (defined(_DLL) && !defined(NOT_GC_DLL) \
|| defined(GC_DLL))
# ifdef GC_BUILD
# define GC_API __declspec(dllexport)
# define GC_API extern __declspec(dllexport)
# else
# define GC_API __declspec(dllimport)
# endif
......@@ -95,6 +144,16 @@ typedef long GC_signed_word;
GC_API GC_word GC_gc_no;/* Counter incremented per collection. */
/* Includes empty GCs at startup. */
GC_API int GC_parallel; /* GC is parallelized for performance on */
/* multiprocessors. Currently set only */
/* implicitly if collector is built with */
/* -DPARALLEL_MARK and if either: */
/* Env variable GC_NPROC is set to > 1, or */
/* GC_NPROC is not set and this is an MP. */
/* If GC_parallel is set, incremental */
/* collection is aonly partially functional, */
/* and may not be desirable. */
/* Public R/W variables */
......@@ -113,6 +172,18 @@ GC_API int GC_find_leak;
/* deallocated with GC_free. Initial value */
/* is determined by FIND_LEAK macro. */
GC_API int GC_all_interior_pointers;
/* Arrange for pointers to object interiors to */
/* be recognized as valid. May not be changed */
/* after GC initialization. */
/* Initial value is determined by */
/* -DALL_INTERIOR_POINTERS. */
/* Unless DONT_ADD_BYTE_AT_END is defined, this */
/* also affects whether sizes are increased by */
/* at least a byte to allow "off the end" */
/* pointer recognition. */
/* MUST BE 0 or 1. */
GC_API int GC_quiet; /* Disable statistics output. Only matters if */
/* collector has been compiled with statistics */
/* enabled. This involves a performance cost, */
......@@ -120,7 +191,7 @@ GC_API int GC_quiet; /* Disable statistics output. Only matters if */
GC_API int GC_finalize_on_demand;
/* If nonzero, finalizers will only be run in */
/* response to an eplit GC_invoke_finalizers */
/* response to an explicit GC_invoke_finalizers */
/* call. The default is determined by whether */
/* the FINALIZE_ON_DEMAND macro is defined */
/* when the collector is built. */
......@@ -132,6 +203,15 @@ GC_API int GC_java_finalization;
/* ordered finalization. Default value is */
/* determined by JAVA_FINALIZATION macro. */
GC_API void (* GC_finalizer_notifier)();
/* Invoked by the collector when there are */
/* objects to be finalized. Invoked at most */
/* once per GC cycle. Never invoked unless */
/* GC_finalize_on_demand is set. */
/* Typically this will notify a finalization */
/* thread, which will call GC_invoke_finalizers */
/* in response. */
GC_API int GC_dont_gc; /* Dont collect unless explicitly requested, e.g. */
/* because it's not safe. */
......@@ -163,6 +243,16 @@ GC_API int GC_full_freq; /* Number of partial collections between */
GC_API GC_word GC_non_gc_bytes;
/* Bytes not considered candidates for collection. */
/* Used only to control scheduling of collections. */
/* Updated by GC_malloc_uncollectable and GC_free. */
/* Wizards only. */
GC_API int GC_no_dls;
/* Don't register dynamic library data segments. */
/* Wizards only. Should be used only if the */
/* application explicitly registers all roots. */
/* In Microsoft Windows environments, this will */
/* usually also prevent registration of the */
/* main data segment as part of the root set. */
GC_API GC_word GC_free_space_divisor;
/* We try to make sure that we allocate at */
......@@ -195,6 +285,14 @@ GC_API char *GC_stackbottom; /* Cool end of user stack. */
/* cold end of the stack for the */
/* primordial thread. */
GC_API int GC_dont_precollect; /* Don't collect as part of */
/* initialization. Should be set only */
/* if the client wants a chance to */
/* manually initialize the root set */
/* before the first collection. */
/* Interferes with blacklisting. */
/* Wizards only. */
/* Public procedures */
/*
* general purpose allocation routines, with roughly malloc calling conv.
......@@ -204,8 +302,13 @@ GC_API char *GC_stackbottom; /* Cool end of user stack. */
* will occur after GC_end_stubborn_change has been called on the
* result of GC_malloc_stubborn. GC_malloc_uncollectable allocates an object
* that is scanned for pointers to collectable objects, but is not itself
* collectable. GC_malloc_uncollectable and GC_free called on the resulting
* collectable. The object is scanned even if it does not appear to
* be reachable. GC_malloc_uncollectable and GC_free called on the resulting
* object implicitly update GC_non_gc_bytes appropriately.
*
* Note that the GC_malloc_stubborn support is stubbed out by default
* starting in 6.0. GC_malloc_stubborn is an alias for GC_malloc unless
* the collector is built with STUBBORN_ALLOC defined.
*/
GC_API GC_PTR GC_malloc GC_PROTO((size_t size_in_bytes));
GC_API GC_PTR GC_malloc_atomic GC_PROTO((size_t size_in_bytes));
......@@ -331,12 +434,18 @@ GC_API size_t GC_get_free_bytes GC_PROTO((void));
/* Return the number of bytes allocated since the last collection. */
GC_API size_t GC_get_bytes_since_gc GC_PROTO((void));
/* Return the total number of bytes allocated in this process. */
/* Never decreases. */
GC_API size_t GC_get_total_bytes GC_PROTO((void));
/* Enable incremental/generational collection. */
/* Not advisable unless dirty bits are */
/* available or most heap objects are */
/* pointerfree(atomic) or immutable. */
/* Don't use in leak finding mode. */
/* Ignored if GC_dont_gc is true. */
/* Only the generational piece of this is */
/* functional if GC_parallel is TRUE. */
GC_API void GC_enable_incremental GC_PROTO((void));
/* Perform some garbage collection work, if appropriate. */
......@@ -497,6 +606,8 @@ GC_API void GC_debug_register_finalizer
/* but it's unavoidable for C++, since the compiler may */
/* silently introduce these. It's also benign in that specific */
/* case. */
/* Note that cd will still be viewed as accessible, even if it */
/* refers to the object itself. */
GC_API void GC_register_finalizer_ignore_self
GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
GC_finalization_proc *ofn, GC_PTR *ocd));
......@@ -506,6 +617,8 @@ GC_API void GC_debug_register_finalizer_ignore_self
/* Another version of the above. It ignores all cycles. */
/* It should probably only be used by Java implementations. */
/* Note that cd will still be viewed as accessible, even if it */
/* refers to the object itself. */
GC_API void GC_register_finalizer_no_order
GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
GC_finalization_proc *ofn, GC_PTR *ocd));
......@@ -608,6 +721,9 @@ typedef GC_PTR (*GC_fn_type) GC_PROTO((GC_PTR client_data));
GC_API GC_PTR GC_call_with_alloc_lock
GC_PROTO((GC_fn_type fn, GC_PTR client_data));
/* The following routines are primarily intended for use with a */
/* preprocessor which inserts calls to check C pointer arithmetic. */
/* Check that p and q point to the same object. */
/* Fail conspicuously if they don't. */
/* Returns the first argument. */
......@@ -635,7 +751,7 @@ GC_API GC_PTR GC_is_visible GC_PROTO((GC_PTR p));
/* Check that if p is a pointer to a heap page, then it points to */
/* a valid displacement within a heap object. */
/* Fail conspicuously if this property does not hold. */
/* Uninteresting with ALL_INTERIOR_POINTERS. */
/* Uninteresting with GC_all_interior_pointers. */
/* Always returns its argument. */
GC_API GC_PTR GC_is_valid_displacement GC_PROTO((GC_PTR p));
......@@ -693,76 +809,28 @@ GC_API void (*GC_is_valid_displacement_print_proc)
GC_API void (*GC_is_visible_print_proc)
GC_PROTO((GC_PTR p));
#if defined(_SOLARIS_PTHREADS) && !defined(SOLARIS_THREADS)
# define SOLARIS_THREADS
#endif
#ifdef SOLARIS_THREADS
/* We need to intercept calls to many of the threads primitives, so */
/* that we can locate thread stacks and stop the world. */
/* Note also that the collector cannot see thread specific data. */
/* Thread specific data should generally consist of pointers to */
/* uncollectable objects, which are deallocated using the destructor */
/* facility in thr_keycreate. */
# include <thread.h>
# include <signal.h>
int GC_thr_create(void *stack_base, size_t stack_size,
void *(*start_routine)(void *), void *arg, long flags,
thread_t *new_thread);
int GC_thr_join(thread_t wait_for, thread_t *departed, void **status);
int GC_thr_suspend(thread_t target_thread);
int GC_thr_continue(thread_t target_thread);
void * GC_dlopen(const char *path, int mode);
# ifdef _SOLARIS_PTHREADS
# include <pthread.h>
extern int GC_pthread_create(pthread_t *new_thread,
const pthread_attr_t *attr,
void * (*thread_execp)(void *), void *arg);
extern int GC_pthread_join(pthread_t wait_for, void **status);
# undef thread_t
# define pthread_join GC_pthread_join
# define pthread_create GC_pthread_create
#endif
# define thr_create GC_thr_create
# define thr_join GC_thr_join
# define thr_suspend GC_thr_suspend
# define thr_continue GC_thr_continue
# define dlopen GC_dlopen
# endif /* SOLARIS_THREADS */
#if !defined(USE_LD_WRAP) && \
(defined(IRIX_THREADS) || defined(LINUX_THREADS) || defined(HPUX_THREADS))
/* We treat these similarly. */
# include <pthread.h>
# include <signal.h>
int GC_pthread_create(pthread_t *new_thread,
const pthread_attr_t *attr,
void *(*start_routine)(void *), void *arg);
int GC_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset);
int GC_pthread_join(pthread_t thread, void **retval);
/* For pthread support, we generally need to intercept a number of */
/* thread library calls. We do that here by macro defining them. */
# define pthread_create GC_pthread_create
# define pthread_sigmask GC_pthread_sigmask
# define pthread_join GC_pthread_join
# define dlopen GC_dlopen
#endif /* xxxxx_THREADS */
#if !defined(GC_USE_LD_WRAP) && \
(defined(GC_LINUX_THREADS) || defined(GC_HPUX_THREADS) || \
defined(GC_IRIX_THREADS) || defined(GC_SOLARIS_PTHREADS) || \
defined(GC_SOLARIS_THREADS) || defined(GC_OSF1_THREADS))
# include "gc_pthread_redirects.h"
#endif
# if defined(PCR) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
defined(IRIX_THREADS) || defined(LINUX_THREADS) || \
defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
# if defined(PCR) || defined(GC_SOLARIS_THREADS) || \
defined(GC_SOLARIS_PTHREADS) || defined(GC_WIN32_THREADS) || \
defined(GC_IRIX_THREADS) || defined(GC_LINUX_THREADS) || \
defined(GC_HPUX_THREADS)
/* Any flavor of threads except SRC_M3. */
/* This returns a list of objects, linked through their first */
/* word. Its use can greatly reduce lock contention problems, since */
/* the allocation lock can be acquired and released many fewer times. */
/* lb must be large enough to hold the pointer field. */
/* It is used internally by gc_local_alloc.h, which provides a simpler */
/* programming interface on Linux. */
GC_PTR GC_malloc_many(size_t lb);
#define GC_NEXT(p) (*(GC_PTR *)(p)) /* Retrieve the next element */
/* in returned list. */
......@@ -770,6 +838,35 @@ extern void GC_thr_init(); /* Needed for Solaris/X86 */
#endif /* THREADS && !SRC_M3 */
#if defined(WIN32_THREADS) && defined(_WIN32_WCE)
# include <windows.h>
/*
* win32_threads.c implements the real WinMain, which will start a new thread
* to call GC_WinMain after initializing the garbage collector.
*/
int WINAPI GC_WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPWSTR lpCmdLine,
int nCmdShow );
/*
* All threads must be created using GC_CreateThread, so that they will be
* recorded in the thread table.
*/
HANDLE WINAPI GC_CreateThread(
LPSECURITY_ATTRIBUTES lpThreadAttributes,
DWORD dwStackSize, LPTHREAD_START_ROUTINE lpStartAddress,
LPVOID lpParameter, DWORD dwCreationFlags, LPDWORD lpThreadId );
# ifndef GC_BUILD
# define WinMain GC_WinMain
# define CreateThread GC_CreateThread
# endif
#endif
/*
* If you are planning on putting
* the collector in a SunOS 5 dynamic library, you need to call GC_INIT()
......@@ -790,13 +887,23 @@ extern void GC_thr_init(); /* Needed for Solaris/X86 */
# endif
#endif
#if (defined(_MSDOS) || defined(_MSC_VER)) && (_M_IX86 >= 300) \
|| defined(_WIN32)
#if !defined(_WIN32_WCE) \
&& ((defined(_MSDOS) || defined(_MSC_VER)) && (_M_IX86 >= 300) \
|| defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__))
/* win32S may not free all resources on process exit. */
/* This explicitly deallocates the heap. */
GC_API void GC_win32_free_heap ();
#endif
#if ( defined(_AMIGA) && !defined(GC_AMIGA_MAKINGLIB) )
/* Allocation really goes through GC_amiga_allocwrapper_do */
# include "gc_amiga_redirects.h"
#endif
#if defined(GC_REDIRECT_TO_LOCAL) && !defined(GC_LOCAL_ALLOC_H)
# include "gc_local_alloc.h"
#endif
#ifdef __cplusplus
} /* end of extern "C" */
#endif
......
boehm-gc/include/gc_alloc.h
......@@ -25,6 +25,9 @@
// This uses template classes with static members, and hence does not work
// with g++ 2.7.2 and earlier.
//
// This code assumes that the collector itself has been compiled with a
// compiler that defines __STDC__ .
//
#include "gc.h"
......
boehm-gc/include/gc_cpp.h
......@@ -139,7 +139,7 @@ by UseGC. GC is an alias for UseGC, unless GC_NAME_CONFLICT is defined.
#if ! defined( OPERATOR_NEW_ARRAY ) \
&& (__BORLANDC__ >= 0x450 || (__GNUC__ >= 2 && __GNUC_MINOR__ >= 6) \
|| __WATCOMC__ >= 1050)
|| __WATCOMC__ >= 1050 || _MSC_VER >= 1100)
# define OPERATOR_NEW_ARRAY
#endif
......@@ -179,6 +179,12 @@ private:
extern "C" {typedef void (*GCCleanUpFunc)( void* obj, void* clientData );}
#ifdef _MSC_VER
// Disable warning that "no matching operator delete found; memory will
// not be freed if initialization throws an exception"
# pragma warning(disable:4291)
#endif
inline void* operator new(
size_t size,
GCPlacement gcp,
......@@ -200,6 +206,49 @@ inline void* operator new(
#ifdef OPERATOR_NEW_ARRAY
#ifdef _MSC_VER
/** This ensures that the system default operator new[] doesn't get
* undefined, which is what seems to happen on VC++ 6 for some reason
* if we define a multi-argument operator new[].
* There seems to be really redirect new in this environment without
* including this everywhere.
*/
inline void *operator new[]( size_t size )
{
return GC_MALLOC_UNCOLLECTABLE( size );
}
inline void operator delete[](void* obj)
{
GC_FREE(obj);
};
inline void* operator new( size_t size)
{
return GC_MALLOC_UNCOLLECTABLE( size);
};
inline void operator delete(void* obj)
{
GC_FREE(obj);
};
// This new operator is used by VC++ in case of Debug builds !
inline void* operator new( size_t size,
int ,//nBlockUse,
const char * szFileName,
int nLine
) {
# ifndef GC_DEBUG
return GC_malloc_uncollectable( size );
# else
return GC_debug_malloc_uncollectable(size, szFileName, nLine);
# endif
}
#endif /* _MSC_VER */
inline void* operator new[](
size_t size,
GCPlacement gcp,
......
boehm-gc/include/gc_gcj.h
......@@ -24,6 +24,10 @@
* may be marked by the mark procedure passed to GC_init_gcj_malloc.
*/
#ifndef GC_GCJ_H
#define GC_GCJ_H
#ifndef MARK_DESCR_OFFSET
# define MARK_DESCR_OFFSET sizeof(word)
#endif
......@@ -41,10 +45,7 @@
#endif
/* The following allocators signal an out of memory condition with */
/* return GC_oom_action(); */
/* The default GC_oom_action returns 0. */
/* This functionality is currently restricted to the gcj allocators. */
/* We may want to extend it to the others. */
/* return GC_oom_fn(bytes); */
extern void * (*GC_oom_action)(void);
......@@ -58,8 +59,6 @@ extern void * (*GC_oom_action)(void);
/* to use the same mark_proc for some of its generated mark descriptors.*/
/* In that case, it should use a different "environment" value to */
/* detect the presence or absence of the debug header. */
/* the debugging interface. */
/* Mp is really of type mark_proc, as defined in gc_mark.h. We don't */
/* want to include that here for namespace pollution reasons. */
extern void GC_init_gcj_malloc(int mp_index, void * /* really mark_proc */mp);
......@@ -77,6 +76,9 @@ extern void * GC_debug_gcj_malloc(size_t lb,
/* Similar to the above, but the size is in words, and we don't */
/* adjust it. The size is assumed to be such that it can be */
/* allocated as a small object. */
/* Unless it is known that the collector is not configured */
/* with USE_MARK_BYTES and unless it is known that the object */
/* has weak alignment requirements, lw must be even. */
extern void * GC_gcj_fast_malloc(size_t lw,
void * ptr_to_struct_containing_descr);
extern void * GC_debug_gcj_fast_malloc(size_t lw,
......@@ -91,11 +93,12 @@ extern void * GC_gcj_malloc_ignore_off_page(size_t lb,
# ifdef GC_DEBUG
# define GC_GCJ_MALLOC(s,d) GC_debug_gcj_malloc(s,d,GC_EXTRAS)
# define GC_GCJ_FAST_MALLOC(s,d) GC_debug_gcj_fast_malloc(s,d,GC_EXTRAS)
# define GC_GCJ_MALLOC_IGNORE_OFF_PAGE(s,d) GC_gcj_debug_malloc(s,d,GC_EXTRAS)
# define GC_GCJ_MALLOC_IGNORE_OFF_PAGE(s,d) GC_debug_gcj_malloc(s,d,GC_EXTRAS)
# else
# define GC_GCJ_MALLOC(s,d) GC_gcj_malloc(s,d)
# define GC_GCJ_FAST_MALLOC(s,d) GC_gcj_fast_malloc(s,d)
# define GC_GCJ_MALLOC_IGNORE_OFF_PAGE(s,d) \
GC_gcj_debug_malloc_ignore_off_page(s,d)
GC_gcj_malloc_ignore_off_page(s,d)
# endif
#endif /* GC_GCJ_H */
boehm-gc/include/gc_inl.h
......@@ -17,18 +17,22 @@
# include "private/gc_priv.h"
# endif
/* USE OF THIS FILE IS NOT RECOMMENDED unless the collector has been */
/* compiled without -DALL_INTERIOR_POINTERS or with */
/* USE OF THIS FILE IS NOT RECOMMENDED unless GC_all_interior_pointers */
/* is always set, or the collector has been built with */
/* -DDONT_ADD_BYTE_AT_END, or the specified size includes a pointerfree */
/* word at the end. In the standard collector configuration, */
/* the final word of each object may not be scanned. */
/* This is most useful for compilers that generate C. */
/* This iinterface is most useful for compilers that generate C. */
/* Manual use is hereby discouraged. */
/* Allocate n words (NOT BYTES). X is made to point to the result. */
/* It is assumed that n < MAXOBJSZ, and */
/* that n > 0. On machines requiring double word alignment of some */
/* data, we also assume that n is 1 or even. This bypasses the */
/* data, we also assume that n is 1 or even. */
/* If the collector is built with -DUSE_MARK_BYTES or -DPARALLEL_MARK, */
/* the n = 1 case is also disallowed. */
/* Effectively this means that portable code should make sure n is even.*/
/* This bypasses the */
/* MERGE_SIZES mechanism. In order to minimize the number of distinct */
/* free lists that are maintained, the caller should ensure that a */
/* small number of distinct values of n are used. (The MERGE_SIZES */
......
boehm-gc/include/new_gc_alloc.h
......@@ -20,9 +20,9 @@
// It also doesn't yet understand the new header file names or
// namespaces.
//
// This assumes the collector has been compiled with -DATOMIC_UNCOLLECTABLE
// and -DALL_INTERIOR_POINTERS. We also recommend
// -DREDIRECT_MALLOC=GC_uncollectable_malloc.
// This assumes the collector has been compiled with -DATOMIC_UNCOLLECTABLE.
// The user should also consider -DREDIRECT_MALLOC=GC_uncollectable_malloc,
// to ensure that object allocated through malloc are traced.
//
// Some of this could be faster in the explicit deallocation case.
// In particular, we spend too much time clearing objects on the
......@@ -43,11 +43,14 @@
// problems. The argument for changing it is that the usual default
// allocator is usually a very bad choice for a garbage collected environment.)
//
// This code assumes that the collector itself has been compiled with a
// compiler that defines __STDC__ .
//
#ifndef GC_ALLOC_H
#include "gc.h"
#include <alloc.h>
#include <stack> // A more portable way to get stl_alloc.h .
#define GC_ALLOC_H
......@@ -337,6 +340,8 @@ public: \
{ alloc::ptr_free_deallocate(p, sizeof (T)); } \
};
__STL_BEGIN_NAMESPACE
__GC_SPECIALIZE(char, gc_alloc)
__GC_SPECIALIZE(int, gc_alloc)
__GC_SPECIALIZE(unsigned, gc_alloc)
......@@ -361,6 +366,8 @@ __GC_SPECIALIZE(unsigned, single_client_traceable_alloc)
__GC_SPECIALIZE(float, single_client_traceable_alloc)
__GC_SPECIALIZE(double, single_client_traceable_alloc)
__STL_END_NAMESPACE
#ifdef __STL_USE_STD_ALLOCATORS
__STL_BEGIN_NAMESPACE
......
boehm-gc/include/private/gc_hdrs.h
......@@ -24,6 +24,17 @@ typedef struct hblkhdr hdr;
* The 2 level tree data structure that is used to find block headers.
* If there are more than 32 bits in a pointer, the top level is a hash
* table.
*
* This defines HDR, GET_HDR, and SET_HDR, the main macros used to
* retrieve and set object headers. We also define some variants to
* retrieve 2 unrelated headers in interleaved fashion. This
* slightly improves scheduling.
*
* Since 5.0 alpha 5, we can also take advantage of a header lookup
* cache. This is a locally declared direct mapped cache, used inside
* the marker. The HC_GET_HDR and HC_GET_HDR2 macros use and maintain this
* cache. Assuming we get reasonable hit rates, this shaves a few
* memory references from each pointer validation.
*/
# if CPP_WORDSZ > 32
......@@ -45,6 +56,127 @@ typedef struct hblkhdr hdr;
# define TOP_SZ (1 << LOG_TOP_SZ)
# define BOTTOM_SZ (1 << LOG_BOTTOM_SZ)
#ifndef SMALL_CONFIG
# define USE_HDR_CACHE
#endif
/* #define COUNT_HDR_CACHE_HITS */
extern hdr * GC_invalid_header; /* header for an imaginary block */
/* containing no objects. */
/* Check whether p and corresponding hhdr point to long or invalid */
/* object. If so, advance them to */
/* beginning of block, or set hhdr to GC_invalid_header. */
#define ADVANCE(p, hhdr, source) \
if (IS_FORWARDING_ADDR_OR_NIL(hhdr)) { \
p = GC_FIND_START(p, hhdr, (word)source); \
if (p == 0) { \
hhdr = GC_invalid_header; \
} else { \
hhdr = GC_find_header(p); \
} \
}
#ifdef USE_HDR_CACHE
# ifdef COUNT_HDR_CACHE_HITS
extern word GC_hdr_cache_hits;
extern word GC_hdr_cache_misses;
# define HC_HIT() ++GC_hdr_cache_hits
# define HC_MISS() ++GC_hdr_cache_misses
# else
# define HC_HIT()
# define HC_MISS()
# endif
typedef struct hce {
word block_addr; /* right shifted by LOG_HBLKSIZE */
hdr * hce_hdr;
} hdr_cache_entry;
# define HDR_CACHE_SIZE 8 /* power of 2 */
# define DECLARE_HDR_CACHE \
hdr_cache_entry hdr_cache[HDR_CACHE_SIZE]
# define INIT_HDR_CACHE BZERO(hdr_cache, sizeof(hdr_cache));
# define HCE(h) hdr_cache + (((word)(h) >> LOG_HBLKSIZE) & (HDR_CACHE_SIZE-1))
# define HCE_VALID_FOR(hce,h) ((hce) -> block_addr == \
((word)(h) >> LOG_HBLKSIZE))
# define HCE_HDR(h) ((hce) -> hce_hdr)
/* Analogous to GET_HDR, except that in the case of large objects, it */
/* Returns the header for the object beginning, and updates p. */
/* Returns &GC_bad_header instead of 0. All of this saves a branch */
/* in the fast path. */
# define HC_GET_HDR(p, hhdr, source) \
{ \
hdr_cache_entry * hce = HCE(p); \
if (HCE_VALID_FOR(hce, p)) { \
HC_HIT(); \
hhdr = hce -> hce_hdr; \
} else { \
HC_MISS(); \
GET_HDR(p, hhdr); \
ADVANCE(p, hhdr, source); \
hce -> block_addr = (word)(p) >> LOG_HBLKSIZE; \
hce -> hce_hdr = hhdr; \
} \
}
# define HC_GET_HDR2(p1, hhdr1, source1, p2, hhdr2, source2) \
{ \
hdr_cache_entry * hce1 = HCE(p1); \
hdr_cache_entry * hce2 = HCE(p2); \
if (HCE_VALID_FOR(hce1, p1)) { \
HC_HIT(); \
hhdr1 = hce1 -> hce_hdr; \
} else { \
HC_MISS(); \
GET_HDR(p1, hhdr1); \
ADVANCE(p1, hhdr1, source1); \
hce1 -> block_addr = (word)(p1) >> LOG_HBLKSIZE; \
hce1 -> hce_hdr = hhdr1; \
} \
if (HCE_VALID_FOR(hce2, p2)) { \
HC_HIT(); \
hhdr2 = hce2 -> hce_hdr; \
} else { \
HC_MISS(); \
GET_HDR(p2, hhdr2); \
ADVANCE(p2, hhdr2, source2); \
hce2 -> block_addr = (word)(p2) >> LOG_HBLKSIZE; \
hce2 -> hce_hdr = hhdr2; \
} \
}
#else /* !USE_HDR_CACHE */
# define DECLARE_HDR_CACHE
# define INIT_HDR_CACHE
# define HC_GET_HDR(p, hhdr, source) \
{ \
GET_HDR(p, hhdr); \
ADVANCE(p, hhdr, source); \
}
# define HC_GET_HDR2(p1, hhdr1, source1, p2, hhdr2, source2) \
{ \
GET_HDR2(p1, hhdr1, p2, hhdr2); \
ADVANCE(p1, hhdr1, source1); \
ADVANCE(p2, hhdr2, source2); \
}
#endif
typedef struct bi {
hdr * index[BOTTOM_SZ];
/*
......@@ -97,6 +229,8 @@ typedef struct bi {
# define GET_HDR(p, hhdr) (hhdr) = HDR(p)
# define SET_HDR(p, hhdr) HDR_INNER(p) = (hhdr)
# define GET_HDR_ADDR(p, ha) (ha) = &(HDR_INNER(p))
# define GET_HDR2(p1, hhdr1, p2, hhdr2) \
{ GET_HDR(p1, hhdr1); GET_HDR(p2, hhdr2); }
# else /* hash */
/* Hash function for tree top level */
# define TL_HASH(hi) ((hi) & (TOP_SZ - 1))
......@@ -123,6 +257,40 @@ typedef struct bi {
# define SET_HDR(p, hhdr) { register hdr ** _ha; GET_HDR_ADDR(p, _ha); \
*_ha = (hhdr); }
# define HDR(p) GC_find_header((ptr_t)(p))
/* And some interleaved versions for two pointers at once. */
/* This hopefully helps scheduling on processors like IA64. */
# define GET_BI2(p1, bottom_indx1, p2, bottom_indx2) \
{ \
register word hi1 = \
(word)(p1) >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE); \
register word hi2 = \
(word)(p2) >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE); \
register bottom_index * _bi1 = GC_top_index[TL_HASH(hi1)]; \
register bottom_index * _bi2 = GC_top_index[TL_HASH(hi2)]; \
\
while (_bi1 -> key != hi1 && _bi1 != GC_all_nils) \
_bi1 = _bi1 -> hash_link; \
while (_bi2 -> key != hi2 && _bi2 != GC_all_nils) \
_bi2 = _bi2 -> hash_link; \
(bottom_indx1) = _bi1; \
(bottom_indx2) = _bi2; \
}
# define GET_HDR_ADDR2(p1, ha1, p2, ha2) \
{ \
register bottom_index * bi1; \
register bottom_index * bi2; \
\
GET_BI2(p1, bi1, p2, bi2); \
(ha1) = &(HDR_FROM_BI(bi1, p1)); \
(ha2) = &(HDR_FROM_BI(bi2, p2)); \
}
# define GET_HDR2(p1, hhdr1, p2, hhdr2) \
{ register hdr ** _ha1; \
register hdr ** _ha2; \
GET_HDR_ADDR2(p1, _ha1, p2, _ha2); \
(hhdr1) = *_ha1; \
(hhdr2) = *_ha2; \
}
# endif
/* Is the result a forwarding address to someplace closer to the */
......
boehm-gc/include/private/gc_priv.h
......@@ -2,7 +2,7 @@
* Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved.
* Copyright (c) 1999 by Hewlett-Packard Company. All rights reserved.
* Copyright (c) 1999-2001 by Hewlett-Packard Company. All rights reserved.
*
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
......@@ -14,7 +14,6 @@
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/
/* Boehm, February 16, 1996 2:30 pm PST */
# ifndef GC_PRIVATE_H
......@@ -41,16 +40,16 @@
# include "gc.h"
# endif
typedef GC_word word;
typedef GC_signed_word signed_word;
# ifndef GC_MARK_H
# include "../gc_mark.h"
# endif
# ifndef GCCONFIG_H
# include "gcconfig.h"
# endif
# ifndef HEADERS_H
# include "gc_hdrs.h"
# endif
typedef GC_word word;
typedef GC_signed_word signed_word;
typedef int GC_bool;
# define TRUE 1
......@@ -61,6 +60,10 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
/* Preferably identical to caddr_t, if it */
/* exists. */
# ifndef HEADERS_H
# include "gc_hdrs.h"
# endif
#if defined(__STDC__)
# include <stdlib.h>
# if !(defined( sony_news ) )
......@@ -74,9 +77,31 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
# define VOLATILE
#endif
#define CONST GC_CONST
#if 0 /* defined(__GNUC__) doesn't work yet */
# define EXPECT(expr, outcome) __builtin_expect(expr,outcome)
/* Equivalent to (expr), but predict that usually (expr)==outcome. */
#else
# define EXPECT(expr, outcome) (expr)
#endif /* __GNUC__ */
# ifndef GC_LOCKS_H
# include "gc_locks.h"
# endif
# ifdef STACK_GROWS_DOWN
# define COOLER_THAN >
# define HOTTER_THAN <
# define MAKE_COOLER(x,y) if ((word)(x)+(y) > (word)(x)) {(x) += (y);} \
else {(x) = (word)ONES;}
# define MAKE_HOTTER(x,y) (x) -= (y)
# else
# define COOLER_THAN <
# define HOTTER_THAN >
# define MAKE_COOLER(x,y) if ((word)(x)-(y) < (word)(x)) {(x) -= (y);} else {(x) = 0;}
# define MAKE_HOTTER(x,y) (x) += (y)
# endif
#if 0 /* was once defined for AMIGA */
#if defined(AMIGA) && defined(__SASC)
# define GC_FAR __far
#else
# define GC_FAR
......@@ -96,11 +121,9 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
/* */
/*********************************/
#define STUBBORN_ALLOC /* Define stubborn allocation primitives */
#if defined(SRC_M3) || defined(SMALL_CONFIG)
# undef STUBBORN_ALLOC
#endif
/* #define STUBBORN_ALLOC */
/* Enable stubborm allocation, and thus a limited */
/* form of incremental collection w/o dirty bits. */
/* #define ALL_INTERIOR_POINTERS */
/* Forces all pointers into the interior of an */
......@@ -127,6 +150,8 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
/* touched. */
/* If you can easily avoid using this option, do. */
/* If not, try to keep individual objects small. */
/* This is now really controlled at startup, */
/* through GC_all_interior_pointers. */
#define PRINTSTATS /* Print garbage collection statistics */
/* For less verbose output, undefine in reclaim.c */
......@@ -157,12 +182,12 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
# define GATHERSTATS
#endif
#ifdef FINALIZE_ON_DEMAND
# define GC_INVOKE_FINALIZERS()
#else
# define GC_INVOKE_FINALIZERS() (void)GC_invoke_finalizers()
#if defined(PRINTSTATS) || !defined(SMALL_CONFIG)
# define CONDPRINT /* Print some things if GC_print_stats is set */
#endif
#define GC_INVOKE_FINALIZERS() GC_notify_or_invoke_finalizers()
#define MERGE_SIZES /* Round up some object sizes, so that fewer distinct */
/* free lists are actually maintained. This applies */
/* only to the top level routines in misc.c, not to */
......@@ -174,20 +199,28 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
/* May save significant amounts of space for obj_map */
/* entries. */
#if defined(USE_MARK_BYTES) && !defined(ALIGN_DOUBLE)
# define ALIGN_DOUBLE
/* We use one byte for every 2 words, which doesn't allow for */
/* odd numbered words to have mark bits. */
#endif
/* ALIGN_DOUBLE requires MERGE_SIZES at present. */
# if defined(ALIGN_DOUBLE) && !defined(MERGE_SIZES)
# define MERGE_SIZES
# endif
#if defined(ALL_INTERIOR_POINTERS) && !defined(DONT_ADD_BYTE_AT_END)
# define ADD_BYTE_AT_END
#if !defined(DONT_ADD_BYTE_AT_END)
# define EXTRA_BYTES GC_all_interior_pointers
#else
# define EXTRA_BYTES 0
#endif
# ifndef LARGE_CONFIG
# define MINHINCR 16 /* Minimum heap increment, in blocks of HBLKSIZE */
/* Must be multiple of largest page size. */
# define MAXHINCR 512 /* Maximum heap increment, in blocks */
# define MAXHINCR 2048 /* Maximum heap increment, in blocks */
# else
# define MINHINCR 64
# define MAXHINCR 4096
......@@ -220,17 +253,22 @@ typedef char * ptr_t; /* A generic pointer to which we can add */
* Number of frames and arguments to save in objects allocated by
* debugging allocator.
*/
# ifndef SAVE_CALL_COUNT
# define NFRAMES 6 /* Number of frames to save. Even for */
/* alignment reasons. */
# else
# define NFRAMES ((SAVE_CALL_COUNT + 1) & ~1)
# endif
# define NARGS 2 /* Mumber of arguments to save for each call. */
# define NEED_CALLINFO
/* Fill in the pc and argument information for up to NFRAMES of my */
/* callers. Ignore my frame and my callers frame. */
void GC_save_callers (/* struct callinfo info[NFRAMES] */);
struct callinfo;
void GC_save_callers GC_PROTO((struct callinfo info[NFRAMES]));
void GC_print_callers (/* struct callinfo info[NFRAMES] */);
void GC_print_callers GC_PROTO((struct callinfo info[NFRAMES]));
#else
......@@ -244,7 +282,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
#ifdef NEED_CALLINFO
struct callinfo {
word ci_pc;
word ci_pc; /* Caller, not callee, pc */
# if NARGS > 0
word ci_arg[NARGS]; /* bit-wise complement to avoid retention */
# endif
......@@ -273,13 +311,13 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
# define MS_TIME_DIFF(a,b) ((double) (a.tv_sec - b.tv_sec) * 1000.0 \
+ (double) (a.tv_usec - b.tv_usec) / 1000.0)
#else /* !BSD_TIME */
# ifdef MSWIN32
# if defined(MSWIN32) || defined(MSWINCE)
# include <windows.h>
# include <winbase.h>
# define CLOCK_TYPE DWORD
# define GET_TIME(x) x = GetTickCount()
# define MS_TIME_DIFF(a,b) ((long)((a)-(b)))
# else /* !MSWIN32, !BSD_TIME */
# else /* !MSWIN32, !MSWINCE, !BSD_TIME */
# include <time.h>
# if !defined(__STDC__) && defined(SPARC) && defined(SUNOS4)
clock_t clock(); /* Not in time.h, where it belongs */
......@@ -325,6 +363,9 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
# include <string.h>
# define BCOPY_EXISTS
# endif
# if defined(MACOSX)
# define BCOPY_EXISTS
# endif
# ifndef BCOPY_EXISTS
# include <string.h>
......@@ -342,6 +383,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
/* GET_MEM is currently not assumed to retrieve 0 filled space, */
/* though we should perhaps take advantage of the case in which */
/* does. */
struct hblk; /* See below. */
# ifdef PCR
char * real_malloc();
# define GET_MEM(bytes) HBLKPTR(real_malloc((size_t)bytes + GC_page_size) \
......@@ -353,7 +395,8 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
+ GC_page_size) \
+ GC_page_size-1)
# else
# if defined(AMIGA) || defined(NEXT) || defined(MACOSX) || defined(DOS4GW)
# if defined(NEXT) || defined(MACOSX) || defined(DOS4GW) || \
(defined(AMIGA) && !defined(GC_AMIGA_FASTALLOC))
# define GET_MEM(bytes) HBLKPTR((size_t) \
calloc(1, (size_t)bytes + GC_page_size) \
+ GC_page_size-1)
......@@ -374,310 +417,24 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
NewPtrClear(bytes + GC_page_size) + GC_page_size-1)
# endif
# else
extern ptr_t GC_unix_get_mem();
# define GET_MEM(bytes) (struct hblk *)GC_unix_get_mem(bytes)
# endif
# endif
# endif
# endif
# endif
/*
* Mutual exclusion between allocator/collector routines.
* Needed if there is more than one allocator thread.
* FASTLOCK() is assumed to try to acquire the lock in a cheap and
* dirty way that is acceptable for a few instructions, e.g. by
* inhibiting preemption. This is assumed to have succeeded only
* if a subsequent call to FASTLOCK_SUCCEEDED() returns TRUE.
* FASTUNLOCK() is called whether or not FASTLOCK_SUCCEEDED().
* If signals cannot be tolerated with the FASTLOCK held, then
* FASTLOCK should disable signals. The code executed under
* FASTLOCK is otherwise immune to interruption, provided it is
* not restarted.
* DCL_LOCK_STATE declares any local variables needed by LOCK and UNLOCK
* and/or DISABLE_SIGNALS and ENABLE_SIGNALS and/or FASTLOCK.
* (There is currently no equivalent for FASTLOCK.)
*/
# ifdef THREADS
# ifdef PCR_OBSOLETE /* Faster, but broken with multiple lwp's */
# include "th/PCR_Th.h"
# include "th/PCR_ThCrSec.h"
extern struct PCR_Th_MLRep GC_allocate_ml;
# define DCL_LOCK_STATE PCR_sigset_t GC_old_sig_mask
# define LOCK() PCR_Th_ML_Acquire(&GC_allocate_ml)
# define UNLOCK() PCR_Th_ML_Release(&GC_allocate_ml)
# define FASTLOCK() PCR_ThCrSec_EnterSys()
/* Here we cheat (a lot): */
# define FASTLOCK_SUCCEEDED() (*(int *)(&GC_allocate_ml) == 0)
/* TRUE if nobody currently holds the lock */
# define FASTUNLOCK() PCR_ThCrSec_ExitSys()
# endif
# ifdef PCR
# include <base/PCR_Base.h>
# include <th/PCR_Th.h>
extern PCR_Th_ML GC_allocate_ml;
# define DCL_LOCK_STATE \
PCR_ERes GC_fastLockRes; PCR_sigset_t GC_old_sig_mask
# define LOCK() PCR_Th_ML_Acquire(&GC_allocate_ml)
# define UNLOCK() PCR_Th_ML_Release(&GC_allocate_ml)
# define FASTLOCK() (GC_fastLockRes = PCR_Th_ML_Try(&GC_allocate_ml))
# define FASTLOCK_SUCCEEDED() (GC_fastLockRes == PCR_ERes_okay)
# define FASTUNLOCK() {\
if( FASTLOCK_SUCCEEDED() ) PCR_Th_ML_Release(&GC_allocate_ml); }
# endif
# ifdef SRC_M3
extern word RT0u__inCritical;
# define LOCK() RT0u__inCritical++
# define UNLOCK() RT0u__inCritical--
# endif
# ifdef SOLARIS_THREADS
# include <thread.h>
# include <signal.h>
extern mutex_t GC_allocate_ml;
# define LOCK() mutex_lock(&GC_allocate_ml);
# define UNLOCK() mutex_unlock(&GC_allocate_ml);
# endif
# if defined(LINUX_THREADS)
# if defined(I386)|| defined(POWERPC) || defined(ALPHA) || defined(IA64) \
|| defined(M68K)
# include <pthread.h>
# define USE_SPIN_LOCK
# if defined(I386)
inline static int GC_test_and_set(volatile unsigned int *addr) {
int oldval;
/* Note: the "xchg" instruction does not need a "lock" prefix */
__asm__ __volatile__("xchgl %0, %1"
: "=r"(oldval), "=m"(*(addr))
: "0"(1), "m"(*(addr)));
return oldval;
}
# endif
# if defined(IA64)
inline static int GC_test_and_set(volatile unsigned int *addr) {
int oldval;
__asm__ __volatile__("xchg4 %0=%1,%2"
: "=r"(oldval), "=m"(*addr)
: "r"(1), "1"(*addr));
return oldval;
}
inline static void GC_clear(volatile unsigned int *addr) {
__asm__ __volatile__("st4.rel %0=r0" : "=m" (*addr));
}
# define GC_CLEAR_DEFINED
# endif
# ifdef M68K
/* Contributed by Tony Mantler. I'm not sure how well it was */
/* tested. */
inline static int GC_test_and_set(volatile unsigned int *addr) {
char oldval; /* this must be no longer than 8 bits */
/* The return value is semi-phony. */
/* 'tas' sets bit 7 while the return */
/* value pretends bit 0 was set */
__asm__ __volatile__(
"tas %1@; sne %0; negb %0"
: "=d" (oldval)
: "a" (addr));
return oldval;
}
# endif
# if defined(POWERPC)
inline static int GC_test_and_set(volatile unsigned int *addr) {
int oldval;
int temp = 1; // locked value
__asm__ __volatile__(
"1:\tlwarx %0,0,%3\n" // load and reserve
"\tcmpwi %0, 0\n" // if load is
"\tbne 2f\n" // non-zero, return already set
"\tstwcx. %2,0,%1\n" // else store conditional
"\tbne- 1b\n" // retry if lost reservation
"2:\t\n" // oldval is zero if we set
: "=&r"(oldval), "=p"(addr)
: "r"(temp), "1"(addr)
: "memory");
return (int)oldval;
}
inline static void GC_clear(volatile unsigned int *addr) {
__asm__ __volatile__("eieio");
*(addr) = 0;
}
# define GC_CLEAR_DEFINED
# endif
# ifdef ALPHA
inline static int GC_test_and_set(volatile unsigned int * addr)
{
unsigned long oldvalue;
unsigned long temp;
__asm__ __volatile__(
"1: ldl_l %0,%1\n"
" and %0,%3,%2\n"
" bne %2,2f\n"
" xor %0,%3,%0\n"
" stl_c %0,%1\n"
" beq %0,3f\n"
" mb\n"
"2:\n"
".section .text2,\"ax\"\n"
"3: br 1b\n"
".previous"
:"=&r" (temp), "=m" (*addr), "=&r" (oldvalue)
:"Ir" (1), "m" (*addr));
return oldvalue;
}
/* Should probably also define GC_clear, since it needs */
/* a memory barrier ?? */
# endif /* ALPHA */
# ifdef ARM32
inline static int GC_test_and_set(volatile unsigned int *addr) {
int oldval;
/* SWP on ARM is very similar to XCHG on x86. Doesn't lock the
* bus because there are no SMP ARM machines. If/when there are,
* this code will likely need to be updated. */
/* See linuxthreads/sysdeps/arm/pt-machine.h in glibc-2.1 */
__asm__ __volatile__("swp %0, %1, [%2]"
: "=r"(oldval)
: "r"(1), "r"(addr));
return oldval;
}
# endif
# ifndef GC_CLEAR_DEFINED
inline static void GC_clear(volatile unsigned int *addr) {
/* Try to discourage gcc from moving anything past this. */
__asm__ __volatile__(" ");
*(addr) = 0;
}
# endif
extern volatile unsigned int GC_allocate_lock;
extern pthread_t GC_lock_holder;
extern void GC_lock(void);
/* Allocation lock holder. Only set if acquired by client through */
/* GC_call_with_alloc_lock. */
# define SET_LOCK_HOLDER() GC_lock_holder = pthread_self()
# define NO_THREAD (pthread_t)(-1)
# define UNSET_LOCK_HOLDER() GC_lock_holder = NO_THREAD
# define I_HOLD_LOCK() (pthread_equal(GC_lock_holder, pthread_self()))
# define LOCK() \
{ if (GC_test_and_set(&GC_allocate_lock)) GC_lock(); }
# define UNLOCK() \
GC_clear(&GC_allocate_lock)
extern VOLATILE GC_bool GC_collecting;
# define ENTER_GC() \
{ \
GC_collecting = 1; \
}
# define EXIT_GC() GC_collecting = 0;
# else /* LINUX_THREADS on hardware for which we don't know how */
/* to do test and set. */
# include <pthread.h>
extern pthread_mutex_t GC_allocate_ml;
# define LOCK() pthread_mutex_lock(&GC_allocate_ml)
# define UNLOCK() pthread_mutex_unlock(&GC_allocate_ml)
# endif
# endif /* LINUX_THREADS */
# if defined(HPUX_THREADS)
# include <pthread.h>
extern pthread_mutex_t GC_allocate_ml;
# define LOCK() pthread_mutex_lock(&GC_allocate_ml)
# define UNLOCK() pthread_mutex_unlock(&GC_allocate_ml)
# endif
# if defined(IRIX_THREADS) || defined(IRIX_JDK_THREADS)
/* This may also eventually be appropriate for HPUX_THREADS */
# include <pthread.h>
# ifndef HPUX_THREADS
/* This probably should never be included, but I can't test */
/* on Irix anymore. */
# include <mutex.h>
# endif
# ifndef HPUX_THREADS
# if __mips < 3 || !(defined (_ABIN32) || defined(_ABI64)) \
|| !defined(_COMPILER_VERSION) || _COMPILER_VERSION < 700
# define GC_test_and_set(addr, v) test_and_set(addr,v)
# ifdef MSWINCE
extern ptr_t GC_wince_get_mem();
# define GET_MEM(bytes) (struct hblk *)GC_wince_get_mem(bytes)
# else
# define GC_test_and_set(addr, v) __test_and_set(addr,v)
# endif
# else
/* I couldn't find a way to do this inline on HP/UX */
# endif
extern unsigned long GC_allocate_lock;
/* This is not a mutex because mutexes that obey the (optional) */
/* POSIX scheduling rules are subject to convoys in high contention */
/* applications. This is basically a spin lock. */
extern pthread_t GC_lock_holder;
extern void GC_lock(void);
/* Allocation lock holder. Only set if acquired by client through */
/* GC_call_with_alloc_lock. */
# define SET_LOCK_HOLDER() GC_lock_holder = pthread_self()
# define NO_THREAD (pthread_t)(-1)
# define UNSET_LOCK_HOLDER() GC_lock_holder = NO_THREAD
# define I_HOLD_LOCK() (pthread_equal(GC_lock_holder, pthread_self()))
# ifdef HPUX_THREADS
# define LOCK() { if (!GC_test_and_clear(&GC_allocate_lock)) GC_lock(); }
/* The following is INCORRECT, since the memory model is too weak. */
# define UNLOCK() { GC_noop1(&GC_allocate_lock); \
*(volatile unsigned long *)(&GC_allocate_lock) = 1; }
# else
# define LOCK() { if (GC_test_and_set(&GC_allocate_lock, 1)) GC_lock(); }
# if __mips >= 3 && (defined (_ABIN32) || defined(_ABI64)) \
&& defined(_COMPILER_VERSION) && _COMPILER_VERSION >= 700
# define UNLOCK() __lock_release(&GC_allocate_lock)
# if defined(AMIGA) && defined(GC_AMIGA_FASTALLOC)
extern void *GC_amiga_get_mem(size_t size);
define GET_MEM(bytes) HBLKPTR((size_t) \
GC_amiga_get_mem((size_t)bytes + GC_page_size) \
+ GC_page_size-1)
# else
/* The function call in the following should prevent the */
/* compiler from moving assignments to below the UNLOCK. */
/* This is probably not necessary for ucode or gcc 2.8. */
/* It may be necessary for Ragnarok and future gcc */
/* versions. */
# define UNLOCK() { GC_noop1(&GC_allocate_lock); \
*(volatile unsigned long *)(&GC_allocate_lock) = 0; }
extern ptr_t GC_unix_get_mem();
# define GET_MEM(bytes) (struct hblk *)GC_unix_get_mem(bytes)
# endif
# endif
extern VOLATILE GC_bool GC_collecting;
# define ENTER_GC() \
{ \
GC_collecting = 1; \
}
# define EXIT_GC() GC_collecting = 0;
# endif /* IRIX_THREADS || IRIX_JDK_THREADS */
# ifdef WIN32_THREADS
# include <windows.h>
GC_API CRITICAL_SECTION GC_allocate_ml;
# define LOCK() EnterCriticalSection(&GC_allocate_ml);
# define UNLOCK() LeaveCriticalSection(&GC_allocate_ml);
# endif
# ifndef SET_LOCK_HOLDER
# define SET_LOCK_HOLDER()
# define UNSET_LOCK_HOLDER()
# define I_HOLD_LOCK() FALSE
/* Used on platforms were locks can be reacquired, */
/* so it doesn't matter if we lie. */
# endif
# else
# define LOCK()
# define UNLOCK()
# endif
# ifndef SET_LOCK_HOLDER
# define SET_LOCK_HOLDER()
# define UNSET_LOCK_HOLDER()
# define I_HOLD_LOCK() FALSE
/* Used on platforms were locks can be reacquired, */
/* so it doesn't matter if we lie. */
# endif
# ifndef ENTER_GC
# define ENTER_GC()
# define EXIT_GC()
# endif
# ifndef DCL_LOCK_STATE
# define DCL_LOCK_STATE
# endif
# ifndef FASTLOCK
# define FASTLOCK() LOCK()
# define FASTLOCK_SUCCEEDED() TRUE
# define FASTUNLOCK() UNLOCK()
# endif
/* Delay any interrupts or signals that may abort this thread. Data */
......@@ -693,9 +450,9 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
PCR_Th_SetSigMask(&GC_old_sig_mask, NIL)
# else
# if defined(SRC_M3) || defined(AMIGA) || defined(SOLARIS_THREADS) \
|| defined(MSWIN32) || defined(MACOS) || defined(DJGPP) \
|| defined(NO_SIGNALS) || defined(IRIX_THREADS) \
|| defined(IRIX_JDK_THREADS) || defined(LINUX_THREADS)
|| defined(MSWIN32) || defined(MSWINCE) || defined(MACOS) \
|| defined(DJGPP) || defined(NO_SIGNALS) || defined(IRIX_THREADS) \
|| defined(LINUX_THREADS)
/* Also useful for debugging. */
/* Should probably use thr_sigsetmask for SOLARIS_THREADS. */
# define DISABLE_SIGNALS()
......@@ -724,7 +481,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
# else
# if defined(SOLARIS_THREADS) || defined(WIN32_THREADS) \
|| defined(IRIX_THREADS) || defined(LINUX_THREADS) \
|| defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
|| defined(HPUX_THREADS)
void GC_stop_world();
void GC_start_world();
# define STOP_WORLD() GC_stop_world()
......@@ -758,6 +515,13 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
# define WARN(msg,arg) (*GC_current_warn_proc)(msg, (GC_word)(arg))
extern GC_warn_proc GC_current_warn_proc;
/* Get environment entry */
#if !defined(NO_GETENV)
# define GETENV(name) getenv(name)
#else
# define GETENV(name) 0
#endif
/*********************************/
/* */
/* Word-size-dependent defines */
......@@ -787,7 +551,7 @@ extern GC_warn_proc GC_current_warn_proc;
#define WORDSZ ((word)CPP_WORDSZ)
#define SIGNB ((word)1 << (WORDSZ-1))
#define BYTES_PER_WORD ((word)(sizeof (word)))
#define ONES ((word)(-1))
#define ONES ((word)(signed_word)(-1))
#define divWORDSZ(n) ((n) >> LOGWL) /* divide n by size of word */
/*********************/
......@@ -840,6 +604,8 @@ extern GC_warn_proc GC_current_warn_proc;
/* max size objects supported by freelist (larger objects may be */
/* allocated, but less efficiently) */
#define CPP_MAXOBJBYTES (CPP_HBLKSIZE/2)
#define MAXOBJBYTES ((word)CPP_MAXOBJBYTES)
#define CPP_MAXOBJSZ BYTES_TO_WORDS(CPP_HBLKSIZE/2)
#define MAXOBJSZ ((word)CPP_MAXOBJSZ)
......@@ -860,25 +626,28 @@ extern GC_warn_proc GC_current_warn_proc;
# define HBLKDISPL(objptr) (((word) (objptr)) & (HBLKSIZE-1))
/* Round up byte allocation requests to integral number of words, etc. */
# ifdef ADD_BYTE_AT_END
# define ROUNDED_UP_WORDS(n) BYTES_TO_WORDS((n) + WORDS_TO_BYTES(1))
# define ROUNDED_UP_WORDS(n) \
BYTES_TO_WORDS((n) + (WORDS_TO_BYTES(1) - 1 + EXTRA_BYTES))
# ifdef ALIGN_DOUBLE
# define ALIGNED_WORDS(n) (BYTES_TO_WORDS((n) + WORDS_TO_BYTES(2)) & ~1)
# define ALIGNED_WORDS(n) \
(BYTES_TO_WORDS((n) + WORDS_TO_BYTES(2) - 1 + EXTRA_BYTES) & ~1)
# else
# define ALIGNED_WORDS(n) ROUNDED_UP_WORDS(n)
# endif
# define SMALL_OBJ(bytes) ((bytes) < WORDS_TO_BYTES(MAXOBJSZ))
# define ADD_SLOP(bytes) ((bytes)+1)
# else
# define ROUNDED_UP_WORDS(n) BYTES_TO_WORDS((n) + (WORDS_TO_BYTES(1) - 1))
# ifdef ALIGN_DOUBLE
# define ALIGNED_WORDS(n) \
(BYTES_TO_WORDS((n) + WORDS_TO_BYTES(2) - 1) & ~1)
# define SMALL_OBJ(bytes) ((bytes) < (MAXOBJBYTES -EXTRA_BYTES))
# define ADD_SLOP(bytes) ((bytes) + EXTRA_BYTES)
# ifndef MIN_WORDS
/* MIN_WORDS is the size of the smallest allocated object. */
/* 1 and 2 are the only valid values. */
/* 2 must be used if: */
/* - GC_gcj_malloc can be used for objects of requested */
/* size smaller than 2 words, or */
/* - USE_MARK_BYTES is defined. */
# if defined(USE_MARK_BYTES) || defined(GC_GCJ_SUPPORT)
# define MIN_WORDS 2 /* Smallest allocated object. */
# else
# define ALIGNED_WORDS(n) ROUNDED_UP_WORDS(n)
# define MIN_WORDS 1
# endif
# define SMALL_OBJ(bytes) ((bytes) <= WORDS_TO_BYTES(MAXOBJSZ))
# define ADD_SLOP(bytes) (bytes)
# endif
......@@ -889,11 +658,19 @@ extern GC_warn_proc GC_current_warn_proc;
*/
# ifdef LARGE_CONFIG
# define LOG_PHT_ENTRIES 17
# define LOG_PHT_ENTRIES 19 /* Collisions likely at 512K blocks, */
/* which is >= 2GB. Each table takes */
/* 64KB. */
# else
# ifdef SMALL_CONFIG
# define LOG_PHT_ENTRIES 14 /* Collisions are likely if heap grows */
/* to more than 16K hblks = 64MB. */
/* Each hash table occupies 2K bytes. */
# else /* default "medium" configuration */
# define LOG_PHT_ENTRIES 16 /* Collisions are likely if heap grows */
/* to more than 16K hblks >= 256MB. */
/* Each hash table occupies 8K bytes. */
# endif
# endif
# define PHT_ENTRIES ((word)1 << LOG_PHT_ENTRIES)
# define PHT_SIZE (PHT_ENTRIES >> LOGWL)
......@@ -907,6 +684,10 @@ typedef word page_hash_table[PHT_SIZE];
(bl)[divWORDSZ(index)] |= (word)1 << modWORDSZ(index)
# define clear_pht_entry_from_index(bl, index) \
(bl)[divWORDSZ(index)] &= ~((word)1 << modWORDSZ(index))
/* And a dumb but thread-safe version of set_pht_entry_from_index. */
/* This sets (many) extra bits. */
# define set_pht_entry_from_index_safe(bl, index) \
(bl)[divWORDSZ(index)] = ONES
......@@ -919,20 +700,28 @@ typedef word page_hash_table[PHT_SIZE];
/* heap block header */
#define HBLKMASK (HBLKSIZE-1)
#define BITS_PER_HBLK (HBLKSIZE * 8)
#define BITS_PER_HBLK (CPP_HBLKSIZE * 8)
#define MARK_BITS_PER_HBLK (BITS_PER_HBLK/CPP_WORDSZ)
/* upper bound */
/* We allocate 1 bit/word. Only the first word */
/* We allocate 1 bit/word, unless USE_MARK_BYTES */
/* is defined. Only the first word */
/* in each object is actually marked. */
# ifdef ALIGN_DOUBLE
# define MARK_BITS_SZ (((MARK_BITS_PER_HBLK + 2*CPP_WORDSZ - 1) \
/ (2*CPP_WORDSZ))*2)
# ifdef USE_MARK_BYTES
# define MARK_BITS_SZ (MARK_BITS_PER_HBLK/2)
/* Unlike the other case, this is in units of bytes. */
/* We actually allocate only every second mark bit, since we */
/* force all objects to be doubleword aligned. */
/* However, each mark bit is allocated as a byte. */
# else
# define MARK_BITS_SZ ((MARK_BITS_PER_HBLK + CPP_WORDSZ - 1)/CPP_WORDSZ)
# define MARK_BITS_SZ (MARK_BITS_PER_HBLK/CPP_WORDSZ)
# endif
/* Upper bound on number of mark words per heap block */
/* We maintain layout maps for heap blocks containing objects of a given */
/* size. Each entry in this map describes a byte offset and has the */
/* following type. */
typedef unsigned char map_entry_type;
struct hblkhdr {
word hb_sz; /* If in use, size in words, of objects in the block. */
......@@ -943,7 +732,8 @@ struct hblkhdr {
struct hblk * hb_prev; /* Backwards link for free list. */
word hb_descr; /* object descriptor for marking. See */
/* mark.h. */
char* hb_map; /* A pointer to a pointer validity map of the block. */
map_entry_type * hb_map;
/* A pointer to a pointer validity map of the block. */
/* See GC_obj_map. */
/* Valid for all blocks with headers. */
/* Free blocks point to GC_invalid_map. */
......@@ -965,10 +755,19 @@ struct hblkhdr {
/* Value of GC_gc_no when block was */
/* last allocated or swept. May wrap. */
/* For a free block, this is maintained */
/* unly for USE_MUNMAP, and indicates */
/* only for USE_MUNMAP, and indicates */
/* when the header was allocated, or */
/* when the size of the block last */
/* changed. */
# ifdef USE_MARK_BYTES
union {
char _hb_marks[MARK_BITS_SZ];
/* The i'th byte is 1 if the object */
/* starting at word 2i is marked, 0 o.w. */
word dummy; /* Force word alignment of mark bytes. */
} _mark_byte_union;
# define hb_marks _mark_byte_union._hb_marks
# else
word hb_marks[MARK_BITS_SZ];
/* Bit i in the array refers to the */
/* object starting at the ith word (header */
......@@ -977,44 +776,28 @@ struct hblkhdr {
/* Unused bits are invalid, and are */
/* occasionally set, e.g for uncollectable */
/* objects. */
# endif /* !USE_MARK_BYTES */
};
/* heap block body */
# define DISCARD_WORDS 0
/* Number of words to be dropped at the beginning of each block */
/* Must be a multiple of WORDSZ. May reasonably be nonzero */
/* on machines that don't guarantee longword alignment of */
/* pointers, so that the number of false hits is minimized. */
/* 0 and WORDSZ are probably the only reasonable values. */
# define BODY_SZ ((HBLKSIZE-WORDS_TO_BYTES(DISCARD_WORDS))/sizeof(word))
# define BODY_SZ (HBLKSIZE/sizeof(word))
struct hblk {
# if (DISCARD_WORDS != 0)
# if 0 /* DISCARDWORDS no longer supported */
word garbage[DISCARD_WORDS];
# endif
word hb_body[BODY_SZ];
};
# define HDR_WORDS ((word)DISCARD_WORDS)
# define HDR_BYTES ((word)WORDS_TO_BYTES(DISCARD_WORDS))
# define OBJ_SZ_TO_BLOCKS(sz) \
divHBLKSZ(HDR_BYTES + WORDS_TO_BYTES(sz) + HBLKSIZE-1)
divHBLKSZ(WORDS_TO_BYTES(sz) + HBLKSIZE-1)
/* Size of block (in units of HBLKSIZE) needed to hold objects of */
/* given sz (in words). */
/* Object free list link */
# define obj_link(p) (*(ptr_t *)(p))
/* The type of mark procedures. This really belongs in gc_mark.h. */
/* But we put it here, so that we can avoid scanning the mark proc */
/* table. */
typedef struct ms_entry * (*mark_proc)(/* word * addr,
struct ms_entry *mark_stack_ptr,
struct ms_entry *mark_stack_limit,
word env */);
# define LOG_MAX_MARK_PROCS 6
# define MAX_MARK_PROCS (1 << LOG_MAX_MARK_PROCS)
......@@ -1028,12 +811,12 @@ typedef struct ms_entry * (*mark_proc)(/* word * addr,
# ifdef PCR
# define MAX_ROOT_SETS 1024
# else
# ifdef MSWIN32
# define MAX_ROOT_SETS 512
# if defined(MSWIN32) || defined(MSWINCE)
# define MAX_ROOT_SETS 1024
/* Under NT, we add only written pages, which can result */
/* in many small root sets. */
# else
# define MAX_ROOT_SETS 64
# define MAX_ROOT_SETS 256
# endif
# endif
# endif
......@@ -1056,14 +839,14 @@ struct exclusion {
struct roots {
ptr_t r_start;
ptr_t r_end;
# ifndef MSWIN32
# if !defined(MSWIN32) && !defined(MSWINCE)
struct roots * r_next;
# endif
GC_bool r_tmp;
/* Delete before registering new dynamic libraries */
};
#ifndef MSWIN32
#if !defined(MSWIN32) && !defined(MSWINCE)
/* Size of hash table index to roots. */
# define LOG_RT_SIZE 6
# define RT_SIZE (1 << LOG_RT_SIZE) /* Power of 2, may be != MAX_ROOT_SETS */
......@@ -1097,11 +880,22 @@ struct _GC_arrays {
word _large_free_bytes;
/* Total bytes contained in blocks on large object free */
/* list. */
word _large_allocd_bytes;
/* Total number of bytes in allocated large objects blocks. */
/* For the purposes of this counter and the next one only, a */
/* large object is one that occupies a block of at least */
/* 2*HBLKSIZE. */
word _max_large_allocd_bytes;
/* Maximum number of bytes that were ever allocated in */
/* large object blocks. This is used to help decide when it */
/* is safe to split up a large block. */
word _words_allocd_before_gc;
/* Number of words allocated before this */
/* collection cycle. */
# ifndef SEPARATE_GLOBALS
word _words_allocd;
/* Number of words allocated during this collection cycle */
# endif
word _words_wasted;
/* Number of words wasted due to internal fragmentation */
/* in large objects, or due to dropping blacklisted */
......@@ -1120,14 +914,17 @@ struct _GC_arrays {
ptr_t _scratch_last_end_ptr;
/* Used by headers.c, and can easily appear to point to */
/* heap. */
mark_proc _mark_procs[MAX_MARK_PROCS];
GC_mark_proc _mark_procs[MAX_MARK_PROCS];
/* Table of user-defined mark procedures. There is */
/* a small number of these, which can be referenced */
/* by DS_PROC mark descriptors. See gc_mark.h. */
# ifndef SEPARATE_GLOBALS
ptr_t _objfreelist[MAXOBJSZ+1];
/* free list for objects */
ptr_t _aobjfreelist[MAXOBJSZ+1];
/* free list for atomic objs */
# endif
ptr_t _uobjfreelist[MAXOBJSZ+1];
/* uncollectable but traced objs */
......@@ -1160,41 +957,28 @@ struct _GC_arrays {
ptr_t _sobjfreelist[MAXOBJSZ+1];
# endif
/* free list for immutable objects */
ptr_t _obj_map[MAXOBJSZ+1];
map_entry_type * _obj_map[MAXOBJSZ+1];
/* If not NIL, then a pointer to a map of valid */
/* object addresses. _obj_map[sz][i] is j if the */
/* address block_start+i is a valid pointer */
/* to an object at */
/* block_start+i&~3 - WORDS_TO_BYTES(j). */
/* (If ALL_INTERIOR_POINTERS is defined, then */
/* instead ((short *)(hb_map[sz])[i] is j if */
/* block_start+WORDS_TO_BYTES(i) is in the */
/* interior of an object starting at */
/* block_start+WORDS_TO_BYTES(i-j)). */
/* It is OBJ_INVALID if */
/* block_start+WORDS_TO_BYTES(i) is not */
/* valid as a pointer to an object. */
/* We assume all values of j <= OBJ_INVALID. */
/* The zeroth entry corresponds to large objects.*/
# ifdef ALL_INTERIOR_POINTERS
# define map_entry_type short
# define OBJ_INVALID 0x7fff
# define MAP_ENTRY(map, bytes) \
(((map_entry_type *)(map))[BYTES_TO_WORDS(bytes)])
# define MAP_ENTRIES BYTES_TO_WORDS(HBLKSIZE)
# define MAP_SIZE (MAP_ENTRIES * sizeof(map_entry_type))
# define OFFSET_VALID(displ) TRUE
# define CPP_MAX_OFFSET (HBLKSIZE - HDR_BYTES - 1)
# define MAX_OFFSET ((word)CPP_MAX_OFFSET)
# else
# define map_entry_type char
# define OBJ_INVALID 0x7f
# define MAP_ENTRY(map, bytes) \
(map)[bytes]
/* to an object at block_start + */
/* WORDS_TO_BYTES(BYTES_TO_WORDS(i) - j) */
/* I.e. j is a word displacement from the */
/* object beginning. */
/* The entry is OBJ_INVALID if the corresponding */
/* address is not a valid pointer. It is */
/* OFFSET_TOO_BIG if the value j would be too */
/* large to fit in the entry. (Note that the */
/* size of these entries matters, both for */
/* space consumption and for cache utilization. */
# define OFFSET_TOO_BIG 0xfe
# define OBJ_INVALID 0xff
# define MAP_ENTRY(map, bytes) (map)[bytes]
# define MAP_ENTRIES HBLKSIZE
# define MAP_SIZE MAP_ENTRIES
# define CPP_MAX_OFFSET (WORDS_TO_BYTES(OBJ_INVALID) - 1)
# define CPP_MAX_OFFSET (OFFSET_TOO_BIG - 1)
# define MAX_OFFSET ((word)CPP_MAX_OFFSET)
/* The following are used only if GC_all_interior_ptrs != 0 */
# define VALID_OFFSET_SZ \
(CPP_MAX_OFFSET > WORDS_TO_BYTES(CPP_MAXOBJSZ)? \
CPP_MAX_OFFSET+1 \
......@@ -1202,11 +986,11 @@ struct _GC_arrays {
char _valid_offsets[VALID_OFFSET_SZ];
/* GC_valid_offsets[i] == TRUE ==> i */
/* is registered as a displacement. */
# define OFFSET_VALID(displ) GC_valid_offsets[displ]
# define OFFSET_VALID(displ) \
(GC_all_interior_pointers || GC_valid_offsets[displ])
char _modws_valid_offsets[sizeof(word)];
/* GC_valid_offsets[i] ==> */
/* GC_modws_valid_offsets[i%sizeof(word)] */
# endif
# ifdef STUBBORN_ALLOC
page_hash_table _changed_pages;
/* Stubborn object pages that were changes since last call to */
......@@ -1233,17 +1017,25 @@ struct _GC_arrays {
# define MAX_HEAP_SECTS 768 /* Separately added heap sections. */
# endif
# else
# define MAX_HEAP_SECTS 256
# ifdef SMALL_CONFIG
# define MAX_HEAP_SECTS 128 /* Roughly 1GB */
# else
# define MAX_HEAP_SECTS 384 /* Roughly 3GB */
# endif
# endif
struct HeapSect {
ptr_t hs_start; word hs_bytes;
} _heap_sects[MAX_HEAP_SECTS];
# ifdef MSWIN32
# if defined(MSWIN32) || defined(MSWINCE)
ptr_t _heap_bases[MAX_HEAP_SECTS];
/* Start address of memory regions obtained from kernel. */
# endif
# ifdef MSWINCE
word _heap_lengths[MAX_HEAP_SECTS];
/* Commited lengths of memory regions obtained from kernel. */
# endif
struct roots _static_roots[MAX_ROOT_SETS];
# ifndef MSWIN32
# if !defined(MSWIN32) && !defined(MSWINCE)
struct roots * _root_index[RT_SIZE];
# endif
struct exclusion _excl_table[MAX_EXCLUSIONS];
......@@ -1262,8 +1054,11 @@ struct _GC_arrays {
GC_API GC_FAR struct _GC_arrays GC_arrays;
# ifndef SEPARATE_GLOBALS
# define GC_objfreelist GC_arrays._objfreelist
# define GC_aobjfreelist GC_arrays._aobjfreelist
# define GC_words_allocd GC_arrays._words_allocd
# endif
# define GC_uobjfreelist GC_arrays._uobjfreelist
# ifdef ATOMIC_UNCOLLECTABLE
# define GC_auobjfreelist GC_arrays._auobjfreelist
......@@ -1278,9 +1073,10 @@ GC_API GC_FAR struct _GC_arrays GC_arrays;
# define GC_obj_map GC_arrays._obj_map
# define GC_last_heap_addr GC_arrays._last_heap_addr
# define GC_prev_heap_addr GC_arrays._prev_heap_addr
# define GC_words_allocd GC_arrays._words_allocd
# define GC_words_wasted GC_arrays._words_wasted
# define GC_large_free_bytes GC_arrays._large_free_bytes
# define GC_large_allocd_bytes GC_arrays._large_allocd_bytes
# define GC_max_large_allocd_bytes GC_arrays._max_large_allocd_bytes
# define GC_words_finalized GC_arrays._words_finalized
# define GC_non_gc_bytes_at_gc GC_arrays._non_gc_bytes_at_gc
# define GC_mem_freed GC_arrays._mem_freed
......@@ -1296,9 +1092,12 @@ GC_API GC_FAR struct _GC_arrays GC_arrays;
# ifdef USE_MUNMAP
# define GC_unmapped_bytes GC_arrays._unmapped_bytes
# endif
# ifdef MSWIN32
# if defined(MSWIN32) || defined(MSWINCE)
# define GC_heap_bases GC_arrays._heap_bases
# endif
# ifdef MSWINCE
# define GC_heap_lengths GC_arrays._heap_lengths
# endif
# define GC_static_roots GC_arrays._static_roots
# define GC_root_index GC_arrays._root_index
# define GC_excl_table GC_arrays._excl_table
......@@ -1345,10 +1144,27 @@ extern struct obj_kind {
GC_bool ok_init; /* Clear objects before putting them on the free list. */
} GC_obj_kinds[MAXOBJKINDS];
# define endGC_obj_kinds (((ptr_t)(&GC_obj_kinds)) + (sizeof GC_obj_kinds))
# define beginGC_obj_kinds ((ptr_t)(&GC_obj_kinds))
# define endGC_obj_kinds (beginGC_obj_kinds + (sizeof GC_obj_kinds))
# define end_gc_area ((ptr_t)endGC_arrays == (ptr_t)(&GC_obj_kinds) ? \
endGC_obj_kinds : endGC_arrays)
/* Variables that used to be in GC_arrays, but need to be accessed by */
/* inline allocation code. If they were in GC_arrays, the inlined */
/* allocation code would include GC_arrays offsets (as it did), which */
/* introduce maintenance problems. */
#ifdef SEPARATE_GLOBALS
word GC_words_allocd;
/* Number of words allocated during this collection cycle */
ptr_t GC_objfreelist[MAXOBJSZ+1];
/* free list for NORMAL objects */
# define beginGC_objfreelist ((ptr_t)(&GC_objfreelist))
# define endGC_objfreelist (beginGC_objfreelist + sizeof(GC_objfreelist))
ptr_t GC_aobjfreelist[MAXOBJSZ+1];
/* free list for atomic (PTRFREE) objs */
# define beginGC_aobjfreelist ((ptr_t)(&GC_aobjfreelist))
# define endGC_aobjfreelist (beginGC_aobjfreelist + sizeof(GC_aobjfreelist))
#endif
/* Predefined kinds: */
# define PTRFREE 0
......@@ -1372,8 +1188,10 @@ extern word GC_n_heap_sects; /* Number of separately added heap */
extern word GC_page_size;
# ifdef MSWIN32
extern word GC_n_heap_bases; /* See GC_heap_bases. */
# if defined(MSWIN32) || defined(MSWINCE)
struct _SYSTEM_INFO;
extern struct _SYSTEM_INFO GC_sysinfo;
extern word GC_n_heap_bases; /* See GC_heap_bases. */
# endif
extern word GC_total_stack_black_listed;
......@@ -1386,7 +1204,7 @@ extern word GC_black_list_spacing;
/* "stack-blacklisted", i.e. that are */
/* problematic in the interior of an object. */
extern char * GC_invalid_map;
extern map_entry_type * GC_invalid_map;
/* Pointer to the nowhere valid hblk map */
/* Blocks pointing to this map are free. */
......@@ -1418,10 +1236,6 @@ extern word GC_root_size; /* Total size of registered root sections */
extern GC_bool GC_debugging_started; /* GC_debug_malloc has been called. */
extern ptr_t GC_least_plausible_heap_addr;
extern ptr_t GC_greatest_plausible_heap_addr;
/* Bounds on the heap. Guaranteed valid */
/* Likely to include future heap expansion. */
/* Operations */
# ifndef abs
......@@ -1434,6 +1248,33 @@ extern ptr_t GC_greatest_plausible_heap_addr;
/* with it. Only those corresponding to the beginning of an */
/* object are used. */
/* Set mark bit correctly, even if mark bits may be concurrently */
/* accessed. */
#ifdef PARALLEL_MARK
# define OR_WORD(addr, bits) \
{ word old; \
do { \
old = *((volatile word *)addr); \
} while (!GC_compare_and_exchange((addr), old, old | (bits))); \
}
# define OR_WORD_EXIT_IF_SET(addr, bits, exit_label) \
{ word old; \
word my_bits = (bits); \
do { \
old = *((volatile word *)addr); \
if (old & my_bits) goto exit_label; \
} while (!GC_compare_and_exchange((addr), old, old | my_bits)); \
}
#else
# define OR_WORD(addr, bits) *(addr) |= (bits)
# define OR_WORD_EXIT_IF_SET(addr, bits, exit_label) \
{ \
word old = *(addr); \
word my_bits = (bits); \
if (old & my_bits) goto exit_label; \
*(addr) = (old | my_bits); \
}
#endif
/* Mark bit operations */
......@@ -1445,72 +1286,87 @@ extern ptr_t GC_greatest_plausible_heap_addr;
* relative to the beginning of the block, including unused words)
*/
#ifdef USE_MARK_BYTES
# define mark_bit_from_hdr(hhdr,n) ((hhdr)->hb_marks[(n) >> 1])
# define set_mark_bit_from_hdr(hhdr,n) ((hhdr)->hb_marks[(n)>>1]) = 1
# define clear_mark_bit_from_hdr(hhdr,n) ((hhdr)->hb_marks[(n)>>1]) = 0
#else /* !USE_MARK_BYTES */
# define mark_bit_from_hdr(hhdr,n) (((hhdr)->hb_marks[divWORDSZ(n)] \
>> (modWORDSZ(n))) & (word)1)
# define set_mark_bit_from_hdr(hhdr,n) (hhdr)->hb_marks[divWORDSZ(n)] \
|= (word)1 << modWORDSZ(n)
# define set_mark_bit_from_hdr(hhdr,n) \
OR_WORD((hhdr)->hb_marks+divWORDSZ(n), \
(word)1 << modWORDSZ(n))
# define clear_mark_bit_from_hdr(hhdr,n) (hhdr)->hb_marks[divWORDSZ(n)] \
&= ~((word)1 << modWORDSZ(n))
#endif /* !USE_MARK_BYTES */
/* Important internal collector routines */
ptr_t GC_approx_sp();
ptr_t GC_approx_sp GC_PROTO((void));
GC_bool GC_should_collect();
GC_bool GC_should_collect GC_PROTO((void));
void GC_apply_to_all_blocks(/*fn, client_data*/);
void GC_apply_to_all_blocks GC_PROTO(( \
void (*fn) GC_PROTO((struct hblk *h, word client_data)), \
word client_data));
/* Invoke fn(hbp, client_data) for each */
/* allocated heap block. */
struct hblk * GC_next_used_block(/* struct hblk * h */);
struct hblk * GC_next_used_block GC_PROTO((struct hblk * h));
/* Return first in-use block >= h */
struct hblk * GC_prev_block(/* struct hblk * h */);
struct hblk * GC_prev_block GC_PROTO((struct hblk * h));
/* Return last block <= h. Returned block */
/* is managed by GC, but may or may not be in */
/* use. */
void GC_mark_init();
void GC_clear_marks(); /* Clear mark bits for all heap objects. */
void GC_invalidate_mark_state(); /* Tell the marker that marked */
void GC_mark_init GC_PROTO((void));
void GC_clear_marks GC_PROTO((void)); /* Clear mark bits for all heap objects. */
void GC_invalidate_mark_state GC_PROTO((void));
/* Tell the marker that marked */
/* objects may point to unmarked */
/* ones, and roots may point to */
/* unmarked objects. */
/* Reset mark stack. */
void GC_mark_from_mark_stack(); /* Mark from everything on the mark stack. */
/* Return after about one pages worth of */
/* work. */
GC_bool GC_mark_stack_empty();
GC_bool GC_mark_some(/* cold_gc_frame */);
GC_bool GC_mark_stack_empty GC_PROTO((void));
GC_bool GC_mark_some GC_PROTO((ptr_t cold_gc_frame));
/* Perform about one pages worth of marking */
/* work of whatever kind is needed. Returns */
/* quickly if no collection is in progress. */
/* Return TRUE if mark phase finished. */
void GC_initiate_gc(); /* initiate collection. */
void GC_initiate_gc GC_PROTO((void));
/* initiate collection. */
/* If the mark state is invalid, this */
/* becomes full colleection. Otherwise */
/* it's partial. */
void GC_push_all(/*b,t*/); /* Push everything in a range */
void GC_push_all GC_PROTO((ptr_t bottom, ptr_t top));
/* Push everything in a range */
/* onto mark stack. */
void GC_push_dirty(/*b,t*/); /* Push all possibly changed */
/* subintervals of [b,t) onto */
/* mark stack. */
void GC_push_selected GC_PROTO(( \
ptr_t bottom, \
ptr_t top, \
int (*dirty_fn) GC_PROTO((struct hblk *h)), \
void (*push_fn) GC_PROTO((ptr_t bottom, ptr_t top)) ));
/* Push all pages h in [b,t) s.t. */
/* select_fn(h) != 0 onto mark stack. */
#ifndef SMALL_CONFIG
void GC_push_conditional(/* ptr_t b, ptr_t t, GC_bool all*/);
void GC_push_conditional GC_PROTO((ptr_t b, ptr_t t, GC_bool all));
#else
# define GC_push_conditional(b, t, all) GC_push_all(b, t)
#endif
/* Do either of the above, depending */
/* on the third arg. */
void GC_push_all_stack(/*b,t*/); /* As above, but consider */
void GC_push_all_stack GC_PROTO((ptr_t b, ptr_t t));
/* As above, but consider */
/* interior pointers as valid */
void GC_push_all_eager(/*b,t*/); /* Same as GC_push_all_stack, but */
void GC_push_all_eager GC_PROTO((ptr_t b, ptr_t t));
/* Same as GC_push_all_stack, but */
/* ensures that stack is scanned */
/* immediately, not just scheduled */
/* for scanning. */
#ifndef THREADS
void GC_push_all_stack_partially_eager(/* bottom, top, cold_gc_frame */);
void GC_push_all_stack_partially_eager GC_PROTO(( \
ptr_t bottom, ptr_t top, ptr_t cold_gc_frame ));
/* Similar to GC_push_all_eager, but only the */
/* part hotter than cold_gc_frame is scanned */
/* immediately. Needed to endure that callee- */
/* immediately. Needed to ensure that callee- */
/* save registers are not missed. */
#else
/* In the threads case, we push part of the current thread stack */
......@@ -1519,169 +1375,237 @@ void GC_push_all_eager(/*b,t*/); /* Same as GC_push_all_stack, but */
/* stacks are scheduled for scanning in *GC_push_other_roots, which */
/* is thread-package-specific. */
#endif
void GC_push_current_stack(/* ptr_t cold_gc_frame */);
void GC_push_current_stack GC_PROTO((ptr_t cold_gc_frame));
/* Push enough of the current stack eagerly to */
/* ensure that callee-save registers saved in */
/* GC frames are scanned. */
/* In the non-threads case, schedule entire */
/* stack for scanning. */
void GC_push_roots(/* GC_bool all, ptr_t cold_gc_frame */);
void GC_push_roots GC_PROTO((GC_bool all, ptr_t cold_gc_frame));
/* Push all or dirty roots. */
extern void (*GC_push_other_roots)();
extern void (*GC_push_other_roots) GC_PROTO((void));
/* Push system or application specific roots */
/* onto the mark stack. In some environments */
/* (e.g. threads environments) this is */
/* predfined to be non-zero. A client supplied */
/* replacement should also call the original */
/* function. */
extern void (*GC_start_call_back)(/* void */);
extern void GC_push_gc_structures GC_PROTO((void));
/* Push GC internal roots. These are normally */
/* included in the static data segment, and */
/* Thus implicitly pushed. But we must do this */
/* explicitly if normal root processing is */
/* disabled. Calls the following: */
extern void GC_push_finalizer_structures GC_PROTO((void));
extern void GC_push_stubborn_structures GC_PROTO((void));
# ifdef THREADS
extern void GC_push_thread_structures GC_PROTO((void));
# endif
extern void (*GC_start_call_back) GC_PROTO((void));
/* Called at start of full collections. */
/* Not called if 0. Called with allocation */
/* lock held. */
/* 0 by default. */
void GC_push_regs(); /* Push register contents onto mark stack. */
# if defined(USE_GENERIC_PUSH_REGS)
void GC_generic_push_regs GC_PROTO((ptr_t cold_gc_frame));
# else
void GC_push_regs GC_PROTO((void));
# endif
/* Push register contents onto mark stack. */
/* If NURSERY is defined, the default push */
/* action can be overridden with GC_push_proc */
void GC_remark(); /* Mark from all marked objects. Used */
/* only if we had to drop something. */
# ifdef NURSERY
extern void (*GC_push_proc)(ptr_t);
# endif
# if defined(MSWIN32)
void __cdecl GC_push_one();
# if defined(MSWIN32) || defined(MSWINCE)
void __cdecl GC_push_one GC_PROTO((word p));
# else
void GC_push_one(/*p*/); /* If p points to an object, mark it */
void GC_push_one GC_PROTO((word p));
/* If p points to an object, mark it */
/* and push contents on the mark stack */
/* Pointer recognition test always */
/* accepts interior pointers, i.e. this */
/* is appropriate for pointers found on */
/* stack. */
# endif
# if defined(PRINT_BLACK_LIST) || defined(KEEP_BACK_PTRS)
void GC_mark_and_push_stack GC_PROTO((word p, ptr_t source));
/* Ditto, omits plausibility test */
# else
void GC_mark_and_push_stack GC_PROTO((word p));
# endif
void GC_push_one_checked(/*p*/); /* Ditto, omits plausibility test */
void GC_push_marked(/* struct hblk h, hdr * hhdr */);
void GC_push_marked GC_PROTO((struct hblk * h, hdr * hhdr));
/* Push contents of all marked objects in h onto */
/* mark stack. */
#ifdef SMALL_CONFIG
# define GC_push_next_marked_dirty(h) GC_push_next_marked(h)
#else
struct hblk * GC_push_next_marked_dirty(/* h */);
struct hblk * GC_push_next_marked_dirty GC_PROTO((struct hblk * h));
/* Invoke GC_push_marked on next dirty block above h. */
/* Return a pointer just past the end of this block. */
#endif /* !SMALL_CONFIG */
struct hblk * GC_push_next_marked(/* h */);
struct hblk * GC_push_next_marked GC_PROTO((struct hblk * h));
/* Ditto, but also mark from clean pages. */
struct hblk * GC_push_next_marked_uncollectable(/* h */);
struct hblk * GC_push_next_marked_uncollectable GC_PROTO((struct hblk * h));
/* Ditto, but mark only from uncollectable pages. */
GC_bool GC_stopped_mark(); /* Stop world and mark from all roots */
GC_bool GC_stopped_mark GC_PROTO((GC_stop_func stop_func));
/* Stop world and mark from all roots */
/* and rescuers. */
void GC_clear_hdr_marks(/* hhdr */); /* Clear the mark bits in a header */
void GC_set_hdr_marks(/* hhdr */); /* Set the mark bits in a header */
void GC_add_roots_inner();
GC_bool GC_is_static_root(/* ptr_t p */);
void GC_clear_hdr_marks GC_PROTO((hdr * hhdr));
/* Clear the mark bits in a header */
void GC_set_hdr_marks GC_PROTO((hdr * hhdr));
/* Set the mark bits in a header */
void GC_add_roots_inner GC_PROTO((char * b, char * e, GC_bool tmp));
GC_bool GC_is_static_root GC_PROTO((ptr_t p));
/* Is the address p in one of the registered static */
/* root sections? */
void GC_register_dynamic_libraries();
# if defined(MSWIN32) || defined(_WIN32_WCE_EMULATION)
GC_bool GC_is_tmp_root GC_PROTO((ptr_t p));
/* Is the address p in one of the temporary static */
/* root sections? */
# endif
void GC_register_dynamic_libraries GC_PROTO((void));
/* Add dynamic library data sections to the root set. */
/* Machine dependent startup routines */
ptr_t GC_get_stack_base();
void GC_register_data_segments();
ptr_t GC_get_stack_base GC_PROTO((void)); /* Cold end of stack */
#ifdef IA64
ptr_t GC_get_register_stack_base GC_PROTO((void));
/* Cold end of register stack. */
#endif
void GC_register_data_segments GC_PROTO((void));
/* Black listing: */
void GC_bl_init();
# ifndef ALL_INTERIOR_POINTERS
void GC_add_to_black_list_normal(/* bits, maybe source */);
void GC_bl_init GC_PROTO((void));
# ifdef PRINT_BLACK_LIST
void GC_add_to_black_list_normal GC_PROTO((word p, ptr_t source));
/* Register bits as a possible future false */
/* reference from the heap or static data */
# ifdef PRINT_BLACK_LIST
# define GC_ADD_TO_BLACK_LIST_NORMAL(bits, source) \
GC_add_to_black_list_normal(bits, source)
if (GC_all_interior_pointers) { \
GC_add_to_black_list_stack(bits, source); \
} else { \
GC_add_to_black_list_normal(bits, source); \
}
# else
void GC_add_to_black_list_normal GC_PROTO((word p));
# define GC_ADD_TO_BLACK_LIST_NORMAL(bits, source) \
GC_add_to_black_list_normal(bits)
if (GC_all_interior_pointers) { \
GC_add_to_black_list_stack(bits); \
} else { \
GC_add_to_black_list_normal(bits); \
}
# endif
# else
# ifdef PRINT_BLACK_LIST
# define GC_ADD_TO_BLACK_LIST_NORMAL(bits, source) \
GC_add_to_black_list_stack(bits, source)
void GC_add_to_black_list_stack GC_PROTO((word p, ptr_t source));
# else
# define GC_ADD_TO_BLACK_LIST_NORMAL(bits, source) \
GC_add_to_black_list_stack(bits)
# endif
void GC_add_to_black_list_stack GC_PROTO((word p));
# endif
void GC_add_to_black_list_stack(/* bits, maybe source */);
struct hblk * GC_is_black_listed(/* h, len */);
struct hblk * GC_is_black_listed GC_PROTO((struct hblk * h, word len));
/* If there are likely to be false references */
/* to a block starting at h of the indicated */
/* length, then return the next plausible */
/* starting location for h that might avoid */
/* these false references. */
void GC_promote_black_lists();
void GC_promote_black_lists GC_PROTO((void));
/* Declare an end to a black listing phase. */
void GC_unpromote_black_lists();
void GC_unpromote_black_lists GC_PROTO((void));
/* Approximately undo the effect of the above. */
/* This actually loses some information, but */
/* only in a reasonably safe way. */
word GC_number_stack_black_listed(/*struct hblk *start, struct hblk *endp1 */);
word GC_number_stack_black_listed GC_PROTO(( \
struct hblk *start, struct hblk *endp1));
/* Return the number of (stack) blacklisted */
/* blocks in the range for statistical */
/* purposes. */
ptr_t GC_scratch_alloc(/*bytes*/);
ptr_t GC_scratch_alloc GC_PROTO((word bytes));
/* GC internal memory allocation for */
/* small objects. Deallocation is not */
/* possible. */
/* Heap block layout maps: */
void GC_invalidate_map(/* hdr */);
void GC_invalidate_map GC_PROTO((hdr * hhdr));
/* Remove the object map associated */
/* with the block. This identifies */
/* the block as invalid to the mark */
/* routines. */
GC_bool GC_add_map_entry(/*sz*/);
GC_bool GC_add_map_entry GC_PROTO((word sz));
/* Add a heap block map for objects of */
/* size sz to obj_map. */
/* Return FALSE on failure. */
void GC_register_displacement_inner(/*offset*/);
void GC_register_displacement_inner GC_PROTO((word offset));
/* Version of GC_register_displacement */
/* that assumes lock is already held */
/* and signals are already disabled. */
/* hblk allocation: */
void GC_new_hblk(/*size_in_words, kind*/);
void GC_new_hblk GC_PROTO((word size_in_words, int kind));
/* Allocate a new heap block, and build */
/* a free list in it. */
struct hblk * GC_allochblk(/*size_in_words, kind*/);
/* Allocate a heap block, clear it if */
/* for composite objects, inform */
ptr_t GC_build_fl GC_PROTO((struct hblk *h, word sz,
GC_bool clear, ptr_t list));
/* Build a free list for objects of */
/* size sz in block h. Append list to */
/* end of the free lists. Possibly */
/* clear objects on the list. Normally */
/* called by GC_new_hblk, but also */
/* called explicitly without GC lock. */
struct hblk * GC_allochblk GC_PROTO(( \
word size_in_words, int kind, unsigned flags));
/* Allocate a heap block, inform */
/* the marker that block is valid */
/* for objects of indicated size. */
/* sz < 0 ==> atomic. */
void GC_freehblk(); /* Deallocate a heap block and mark it */
ptr_t GC_alloc_large GC_PROTO((word lw, int k, unsigned flags));
/* Allocate a large block of size lw words. */
/* The block is not cleared. */
/* Flags is 0 or IGNORE_OFF_PAGE. */
/* Calls GC_allchblk to do the actual */
/* allocation, but also triggers GC and/or */
/* heap expansion as appropriate. */
/* Does not update GC_words_allocd, but does */
/* other accounting. */
ptr_t GC_alloc_large_and_clear GC_PROTO((word lw, int k, unsigned flags));
/* As above, but clear block if appropriate */
/* for kind k. */
void GC_freehblk GC_PROTO((struct hblk * p));
/* Deallocate a heap block and mark it */
/* as invalid. */
/* Misc GC: */
void GC_init_inner();
GC_bool GC_expand_hp_inner();
void GC_start_reclaim(/*abort_if_found*/);
void GC_init_inner GC_PROTO((void));
GC_bool GC_expand_hp_inner GC_PROTO((word n));
void GC_start_reclaim GC_PROTO((int abort_if_found));
/* Restore unmarked objects to free */
/* lists, or (if abort_if_found is */
/* TRUE) report them. */
/* Sweeping of small object pages is */
/* largely deferred. */
void GC_continue_reclaim(/*size, kind*/);
void GC_continue_reclaim GC_PROTO((word sz, int kind));
/* Sweep pages of the given size and */
/* kind, as long as possible, and */
/* as long as the corr. free list is */
/* empty. */
void GC_reclaim_or_delete_all();
void GC_reclaim_or_delete_all GC_PROTO((void));
/* Arrange for all reclaim lists to be */
/* empty. Judiciously choose between */
/* sweeping and discarding each page. */
GC_bool GC_reclaim_all(/* GC_stop_func f*/);
GC_bool GC_reclaim_all GC_PROTO((GC_stop_func stop_func, GC_bool ignore_old));
/* Reclaim all blocks. Abort (in a */
/* consistent state) if f returns TRUE. */
GC_bool GC_block_empty(/* hhdr */); /* Block completely unmarked? */
GC_bool GC_never_stop_func(); /* Returns FALSE. */
GC_bool GC_try_to_collect_inner(/* GC_stop_func f */);
GC_bool GC_block_empty GC_PROTO((hdr * hhdr));
/* Block completely unmarked? */
GC_bool GC_never_stop_func GC_PROTO((void));
/* Returns FALSE. */
GC_bool GC_try_to_collect_inner GC_PROTO((GC_stop_func f));
/* Collect; caller must have acquired */
/* lock and disabled signals. */
/* Collection is aborted if f returns */
......@@ -1689,21 +1613,30 @@ GC_bool GC_try_to_collect_inner(/* GC_stop_func f */);
/* successfully. */
# define GC_gcollect_inner() \
(void) GC_try_to_collect_inner(GC_never_stop_func)
void GC_finish_collection(); /* Finish collection. Mark bits are */
void GC_finish_collection GC_PROTO((void));
/* Finish collection. Mark bits are */
/* consistent and lock is still held. */
GC_bool GC_collect_or_expand(/* needed_blocks */);
GC_bool GC_collect_or_expand GC_PROTO(( \
word needed_blocks, GC_bool ignore_off_page));
/* Collect or expand heap in an attempt */
/* make the indicated number of free */
/* blocks available. Should be called */
/* until the blocks are available or */
/* until it fails by returning FALSE. */
GC_API void GC_init(); /* Initialize collector. */
void GC_collect_a_little_inner(/* int n */);
GC_API void GC_init GC_PROTO((void)); /* Initialize collector. */
#if defined(MSWIN32) || defined(MSWINCE)
void GC_deinit GC_PROTO((void));
/* Free any resources allocated by */
/* GC_init */
#endif
void GC_collect_a_little_inner GC_PROTO((int n));
/* Do n units worth of garbage */
/* collection work, if appropriate. */
/* A unit is an amount appropriate for */
/* HBLKSIZE bytes of allocation. */
ptr_t GC_generic_malloc(/* bytes, kind */);
ptr_t GC_generic_malloc GC_PROTO((word lb, int k));
/* Allocate an object of the given */
/* kind. By default, there are only */
/* a few kinds: composite(pointerfree), */
......@@ -1713,64 +1646,100 @@ ptr_t GC_generic_malloc(/* bytes, kind */);
/* internals to add more, e.g. to */
/* communicate object layout info */
/* to the collector. */
ptr_t GC_generic_malloc_ignore_off_page(/* bytes, kind */);
ptr_t GC_generic_malloc_ignore_off_page GC_PROTO((size_t b, int k));
/* As above, but pointers past the */
/* first page of the resulting object */
/* are ignored. */
ptr_t GC_generic_malloc_inner(/* bytes, kind */);
ptr_t GC_generic_malloc_inner GC_PROTO((word lb, int k));
/* Ditto, but I already hold lock, etc. */
ptr_t GC_generic_malloc_words_small GC_PROTO((size_t words, int kind));
ptr_t GC_generic_malloc_words_small GC_PROTO((size_t lw, int k));
/* As above, but size in units of words */
/* Bypasses MERGE_SIZES. Assumes */
/* words <= MAXOBJSZ. */
ptr_t GC_generic_malloc_inner_ignore_off_page(/* bytes, kind */);
ptr_t GC_generic_malloc_inner_ignore_off_page GC_PROTO((size_t lb, int k));
/* Allocate an object, where */
/* the client guarantees that there */
/* will always be a pointer to the */
/* beginning of the object while the */
/* object is live. */
ptr_t GC_allocobj(/* sz_inn_words, kind */);
ptr_t GC_allocobj GC_PROTO((word sz, int kind));
/* Make the indicated */
/* free list nonempty, and return its */
/* head. */
void GC_init_headers();
struct hblkhdr * GC_install_header(/*h*/);
void GC_init_headers GC_PROTO((void));
struct hblkhdr * GC_install_header GC_PROTO((struct hblk *h));
/* Install a header for block h. */
/* Return 0 on failure, or the header */
/* otherwise. */
GC_bool GC_install_counts(/*h, sz*/);
GC_bool GC_install_counts GC_PROTO((struct hblk * h, word sz));
/* Set up forwarding counts for block */
/* h of size sz. */
/* Return FALSE on failure. */
void GC_remove_header(/*h*/);
void GC_remove_header GC_PROTO((struct hblk * h));
/* Remove the header for block h. */
void GC_remove_counts(/*h, sz*/);
void GC_remove_counts GC_PROTO((struct hblk * h, word sz));
/* Remove forwarding counts for h. */
hdr * GC_find_header(/*p*/); /* Debugging only. */
hdr * GC_find_header GC_PROTO((ptr_t h)); /* Debugging only. */
void GC_finalize(); /* Perform all indicated finalization actions */
void GC_finalize GC_PROTO((void));
/* Perform all indicated finalization actions */
/* on unmarked objects. */
/* Unreachable finalizable objects are enqueued */
/* for processing by GC_invoke_finalizers. */
/* Invoked with lock. */
void GC_add_to_heap(/*p, bytes*/);
void GC_notify_or_invoke_finalizers GC_PROTO((void));
/* If GC_finalize_on_demand is not set, invoke */
/* eligible finalizers. Otherwise: */
/* Call *GC_finalizer_notifier if there are */
/* finalizers to be run, and we haven't called */
/* this procedure yet this GC cycle. */
void GC_add_to_heap GC_PROTO((struct hblk *p, word bytes));
/* Add a HBLKSIZE aligned chunk to the heap. */
void GC_print_obj(/* ptr_t p */);
void GC_print_obj GC_PROTO((ptr_t p));
/* P points to somewhere inside an object with */
/* debugging info. Print a human readable */
/* description of the object to stderr. */
extern void (*GC_check_heap)();
extern void (*GC_check_heap) GC_PROTO((void));
/* Check that all objects in the heap with */
/* debugging info are intact. Print */
/* descriptions of any that are not. */
extern void (*GC_print_heap_obj)(/* ptr_t p */);
extern void (*GC_print_heap_obj) GC_PROTO((ptr_t p));
/* If possible print s followed by a more */
/* detailed description of the object */
/* referred to by p. */
extern GC_bool GC_print_stats; /* Produce at least some logging output */
/* Set from environment variable. */
/* Macros used for collector internal allocation. */
/* These assume the collector lock is held. */
#ifdef DBG_HDRS_ALL
extern GC_PTR GC_debug_generic_malloc_inner(size_t lb, int k);
extern GC_PTR GC_debug_generic_malloc_inner_ignore_off_page(size_t lb,
int k);
# define GC_INTERNAL_MALLOC GC_debug_generic_malloc_inner
# define GC_INTERNAL_MALLOC_IGNORE_OFF_PAGE \
GC_debug_generic_malloc_inner_ignore_off_page
# ifdef THREADS
# define GC_INTERNAL_FREE GC_debug_free_inner
# else
# define GC_INTERNAL_FREE GC_debug_free
# endif
#else
# define GC_INTERNAL_MALLOC GC_generic_malloc_inner
# define GC_INTERNAL_MALLOC_IGNORE_OFF_PAGE \
GC_generic_malloc_inner_ignore_off_page
# ifdef THREADS
# define GC_INTERNAL_FREE GC_free_inner
# else
# define GC_INTERNAL_FREE GC_free
# endif
#endif
/* Memory unmapping: */
#ifdef USE_MUNMAP
void GC_unmap_old(void);
......@@ -1782,35 +1751,38 @@ extern void (*GC_print_heap_obj)(/* ptr_t p */);
/* Virtual dirty bit implementation: */
/* Each implementation exports the following: */
void GC_read_dirty(); /* Retrieve dirty bits. */
GC_bool GC_page_was_dirty(/* struct hblk * h */);
void GC_read_dirty GC_PROTO((void));
/* Retrieve dirty bits. */
GC_bool GC_page_was_dirty GC_PROTO((struct hblk *h));
/* Read retrieved dirty bits. */
GC_bool GC_page_was_ever_dirty(/* struct hblk * h */);
GC_bool GC_page_was_ever_dirty GC_PROTO((struct hblk *h));
/* Could the page contain valid heap pointers? */
void GC_is_fresh(/* struct hblk * h, word number_of_blocks */);
void GC_is_fresh GC_PROTO((struct hblk *h, word n));
/* Assert the region currently contains no */
/* valid pointers. */
void GC_write_hint(/* struct hblk * h */);
void GC_write_hint GC_PROTO((struct hblk *h));
/* h is about to be written. */
void GC_dirty_init();
void GC_dirty_init GC_PROTO((void));
/* Slow/general mark bit manipulation: */
GC_API GC_bool GC_is_marked();
void GC_clear_mark_bit();
void GC_set_mark_bit();
GC_API GC_bool GC_is_marked GC_PROTO((ptr_t p));
void GC_clear_mark_bit GC_PROTO((ptr_t p));
void GC_set_mark_bit GC_PROTO((ptr_t p));
/* Stubborn objects: */
void GC_read_changed(); /* Analogous to GC_read_dirty */
GC_bool GC_page_was_changed(/* h */); /* Analogous to GC_page_was_dirty */
void GC_clean_changing_list(); /* Collect obsolete changing list entries */
void GC_stubborn_init();
void GC_read_changed GC_PROTO((void)); /* Analogous to GC_read_dirty */
GC_bool GC_page_was_changed GC_PROTO((struct hblk * h));
/* Analogous to GC_page_was_dirty */
void GC_clean_changing_list GC_PROTO((void));
/* Collect obsolete changing list entries */
void GC_stubborn_init GC_PROTO((void));
/* Debugging print routines: */
void GC_print_block_list();
void GC_print_hblkfreelist();
void GC_print_heap_sects();
void GC_print_static_roots();
void GC_dump();
void GC_print_block_list GC_PROTO((void));
void GC_print_hblkfreelist GC_PROTO((void));
void GC_print_heap_sects GC_PROTO((void));
void GC_print_static_roots GC_PROTO((void));
void GC_dump GC_PROTO((void));
#ifdef KEEP_BACK_PTRS
void GC_store_back_pointer(ptr_t source, ptr_t dest);
......@@ -1829,10 +1801,10 @@ void GC_dump();
GC_API void GC_noop();
# endif
void GC_noop1(/* word arg */);
void GC_noop1 GC_PROTO((word arg));
/* Logging and diagnostic output: */
GC_API void GC_printf GC_PROTO((char * format, long, long, long, long, long, long));
GC_API void GC_printf GC_PROTO((GC_CONST char * format, long, long, long, long, long, long));
/* A version of printf that doesn't allocate, */
/* is restricted to long arguments, and */
/* (unfortunately) doesn't use varargs for */
......@@ -1851,7 +1823,7 @@ GC_API void GC_printf GC_PROTO((char * format, long, long, long, long, long, lon
# define GC_printf6(f,a,b,c,d,e,g) GC_printf(f, (long)a, (long)b, (long)c, \
(long)d, (long)e, (long)g)
void GC_err_printf(/* format, a, b, c, d, e, f */);
GC_API void GC_err_printf GC_PROTO((GC_CONST char * format, long, long, long, long, long, long));
# define GC_err_printf0(f) GC_err_puts(f)
# define GC_err_printf1(f,a) GC_err_printf(f, (long)a, 0l, 0l, 0l, 0l, 0l)
# define GC_err_printf2(f,a,b) GC_err_printf(f, (long)a, (long)b, 0l, 0l, 0l, 0l)
......@@ -1867,10 +1839,16 @@ void GC_err_printf(/* format, a, b, c, d, e, f */);
(long)e, (long)g)
/* Ditto, writes to stderr. */
void GC_err_puts(/* char *s */);
void GC_err_puts GC_PROTO((GC_CONST char *s));
/* Write s to stderr, don't buffer, don't add */
/* newlines, don't ... */
#if defined(LINUX) && !defined(SMALL_CONFIG)
void GC_err_write GC_PROTO((GC_CONST char *buf, size_t len));
/* Write buf to stderr, don't buffer, don't add */
/* newlines, don't ... */
#endif
# ifdef GC_ASSERTIONS
# define GC_ASSERT(expr) if(!(expr)) {\
......@@ -1881,4 +1859,39 @@ void GC_err_puts(/* char *s */);
# define GC_ASSERT(expr)
# endif
# ifdef PARALLEL_MARK
/* We need additional synchronization facilities from the thread */
/* support. We believe these are less performance critical */
/* than the main garbage collector lock; standard pthreads-based */
/* implementations should be sufficient. */
/* The mark lock and condition variable. If the GC lock is also */
/* acquired, the GC lock must be acquired first. The mark lock is */
/* used to both protect some variables used by the parallel */
/* marker, and to protect GC_fl_builder_count, below. */
/* GC_notify_all_marker() is called when */
/* the state of the parallel marker changes */
/* in some significant way (see gc_mark.h for details). The */
/* latter set of events includes incrementing GC_mark_no. */
/* GC_notify_all_builder() is called when GC_fl_builder_count */
/* reaches 0. */
extern void GC_acquire_mark_lock();
extern void GC_release_mark_lock();
extern void GC_notify_all_marker();
extern void GC_notify_all_builder();
extern void GC_wait_marker();
/* extern void GC_wait_builder(); */
extern void GC_wait_for_reclaim();
extern word GC_fl_builder_count; /* Protected by mark lock. */
extern word GC_mark_no; /* Protected by mark lock. */
extern void GC_help_marker(word my_mark_no);
/* Try to help out parallel marker for mark cycle */
/* my_mark_no. Returns if the mark cycle finishes or */
/* was already done, or there was nothing to do for */
/* some other reason. */
# endif /* PARALLEL_MARK */
# endif /* GC_PRIVATE_H */
boehm-gc/include/private/gcconfig.h
......@@ -2,6 +2,7 @@
* Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
* Copyright (c) 1996 by Silicon Graphics. All rights reserved.
* Copyright (c) 2000 by Hewlett-Packard Company. All rights reserved.
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
......@@ -27,6 +28,11 @@
# define LINUX
# endif
/* And one for NetBSD: */
# if defined(__NetBSD__)
# define NETBSD
# endif
/* Determine the machine type: */
# if defined(sun) && defined(mc68000)
# define M68K
......@@ -50,12 +56,14 @@
# endif
# if defined(__NetBSD__) && defined(m68k)
# define M68K
# define NETBSD
# define mach_type_known
# endif
# if defined(__NetBSD__) && defined(arm32)
# if defined(__NetBSD__) && defined(__powerpc__)
# define POWERPC
# define mach_type_known
# endif
# if defined(__NetBSD__) && defined(__arm32__)
# define ARM32
# define NETBSD
# define mach_type_known
# endif
# if defined(vax)
......@@ -81,14 +89,17 @@
# endif
# endif
# endif /* !LINUX */
# if defined(__NetBSD__) && defined(__MIPSEL__)
# undef ULTRIX
# endif
# define mach_type_known
# endif
# if defined(sequent) && defined(i386)
# if defined(sequent) && (defined(i386) || defined(__i386__))
# define I386
# define SEQUENT
# define mach_type_known
# endif
# if defined(sun) && defined(i386)
# if defined(sun) && (defined(i386) || defined(__i386__))
# define I386
# define SUNOS5
# define mach_type_known
......@@ -114,7 +125,7 @@
# define mach_type_known
# endif
# if defined(sparc) && defined(unix) && !defined(sun) && !defined(linux) \
&& !defined(__OpenBSD__)
&& !defined(__OpenBSD__) && !(__NetBSD__)
# define SPARC
# define DRSNX
# define mach_type_known
......@@ -123,6 +134,10 @@
# define RS6000
# define mach_type_known
# endif
# if defined(__NetBSD__) && defined(__sparc__)
# define SPARC
# define mach_type_known
# endif
# if defined(_M_XENIX) && defined(_M_SYSV) && defined(_M_I386)
/* The above test may need refinement */
# define I386
......@@ -146,6 +161,11 @@
# endif
# define mach_type_known
# endif
# if defined(__BEOS__) && defined(_X86_)
# define I386
# define BEOS
# define mach_type_known
# endif
# if defined(LINUX) && (defined(i386) || defined(__i386__))
# define I386
# define mach_type_known
......@@ -166,13 +186,17 @@
# define SPARC
# define mach_type_known
# endif
# if defined(LINUX) && defined(arm)
# if defined(LINUX) && defined(__arm__)
# define ARM32
# define mach_type_known
# endif
# if defined(LINUX) && defined(__sh__)
# define SH
# define mach_type_known
# endif
# if defined(__alpha) || defined(__alpha__)
# define ALPHA
# if !defined(LINUX)
# if !defined(LINUX) && !defined(NETBSD)
# define OSF1 /* a.k.a Digital Unix */
# endif
# define mach_type_known
......@@ -194,37 +218,42 @@
# define MACOS
# define mach_type_known
# endif
# if defined(macosx)
# if defined(macosx) || \
defined(__APPLE__) && defined(__MACH__) && defined(__ppc__)
# define MACOSX
# define POWERPC
# define mach_type_known
# endif
# if defined(__APPLE__) && defined(__MACH__) && defined(__i386__)
# define MACOSX
# define I386
--> Not really supported, but at least we recognize it.
# endif
# if defined(NeXT) && defined(mc68000)
# define M68K
# define NEXT
# define mach_type_known
# endif
# if defined(NeXT) && defined(i386)
# if defined(NeXT) && (defined(i386) || defined(__i386__))
# define I386
# define NEXT
# define mach_type_known
# endif
# if defined(__OpenBSD__) && defined(i386)
# if defined(__OpenBSD__) && (defined(i386) || defined(__i386__))
# define I386
# define OPENBSD
# define mach_type_known
# endif
# if defined(__FreeBSD__) && defined(i386)
# if defined(__FreeBSD__) && (defined(i386) || defined(__i386__))
# define I386
# define FREEBSD
# define mach_type_known
# endif
# if defined(__NetBSD__) && defined(i386)
# if defined(__NetBSD__) && (defined(i386) || defined(__i386__))
# define I386
# define NETBSD
# define mach_type_known
# endif
# if defined(bsdi) && defined(i386)
# if defined(bsdi) && (defined(i386) || defined(__i386__))
# define I386
# define BSDI
# define mach_type_known
......@@ -244,12 +273,27 @@
/* DGUX defined */
# define mach_type_known
# endif
# if defined(_WIN32_WCE)
/* SH3, SH4, MIPS already defined for corresponding architectures */
# if defined(SH3) || defined(SH4)
# define SH
# endif
# if defined(x86)
# define I386
# endif
# if defined(ARM)
# define ARM32
# endif
# define MSWINCE
# define mach_type_known
# else
# if (defined(_MSDOS) || defined(_MSC_VER)) && (_M_IX86 >= 300) \
|| defined(_WIN32) && !defined(__CYGWIN32__) && !defined(__CYGWIN__)
# define I386
# define MSWIN32 /* or Win32s */
# define mach_type_known
# endif
# endif
# if defined(__DJGPP__)
# define I386
# ifndef DJGPP
......@@ -281,6 +325,11 @@
# define PJ
# define mach_type_known
# endif
# if defined(__embedded__) && defined(PPC)
# define POWERPC
# define NOSYS
# define mach_type_known
# endif
/* Ivan Demakov */
# if defined(__WATCOMC__) && defined(__386__)
# define I386
......@@ -297,6 +346,10 @@
# endif
# define mach_type_known
# endif
# if defined(__s390__) && defined(LINUX)
# define S370
# define mach_type_known
# endif
/* Feel free to add more clauses here */
......@@ -325,9 +378,9 @@
/* RS6000 ==> IBM RS/6000 AIX3.X */
/* RT ==> IBM PC/RT */
/* HP_PA ==> HP9000/700 & /800 */
/* HP/UX */
/* SPARC ==> SPARC under SunOS */
/* (SUNOS4, SUNOS5, */
/* HP/UX, LINUX */
/* SPARC ==> SPARC v7/v8/v9 */
/* (SUNOS4, SUNOS5, LINUX, */
/* DRSNX variants) */
/* ALPHA ==> DEC Alpha */
/* (OSF1 and LINUX variants) */
......@@ -335,9 +388,12 @@
/* (CX_UX and DGUX) */
/* S370 ==> 370-like machine */
/* running Amdahl UTS4 */
/* or a 390 running LINUX */
/* ARM32 ==> Intel StrongARM */
/* IA64 ==> Intel IA64 */
/* (e.g. Itanium) */
/* SH ==> Hitachi SuperH */
/* (LINUX & MSWINCE) */
/*
......@@ -389,7 +445,9 @@
* Gustavo Rodriguez-Rivera points out that on most (all?) Unix machines,
* the value of environ is a pointer that can serve as STACKBOTTOM.
* I expect that HEURISTIC2 can be replaced by this approach, which
* interferes far less with debugging.
* interferes far less with debugging. However it has the disadvantage
* that it's confused by a putenv call before the collector is initialized.
* This could be dealt with by intercepting putenv ...
*
* If no expression for STACKBOTTOM can be found, and neither of the above
* heuristics are usable, the collector can still be used with all of the above
......@@ -462,6 +520,10 @@
# define MPROTECT_VDB
# ifdef __ELF__
# define DYNAMIC_LOADING
# include <features.h>
# if defined(__GLIBC__)&& __GLIBC__>=2
# define LINUX_DATA_START
# else /* !GLIBC2 */
extern char **__environ;
# define DATASTART ((ptr_t)(&__environ))
/* hideous kludge: __environ is the first */
......@@ -472,6 +534,7 @@
/* would include .rodata, which may */
/* contain large read-only data tables */
/* that we'd rather not scan. */
# endif /* !GLIBC2 */
extern int _end;
# define DATAEND (&_end)
# else
......@@ -567,11 +630,34 @@
# define DATAEND (&_end)
# endif
# ifdef MACOSX
/* There are reasons to suspect this may not be reliable. */
# define ALIGNMENT 4
# define OS_TYPE "MACOSX"
# define DATASTART ((ptr_t) get_etext())
# define STACKBOTTOM ((ptr_t) 0xc0000000)
# define DATAEND /* not needed */
# define MPROTECT_VDB
# include <unistd.h>
# define GETPAGESIZE() getpagesize()
# endif
# ifdef NETBSD
# define ALIGNMENT 4
# define OS_TYPE "NETBSD"
# define HEURISTIC2
extern char etext;
# define DATASTART GC_data_start
# define DYNAMIC_LOADING
# endif
# ifdef NOSYS
# define ALIGNMENT 4
# define OS_TYPE "NOSYS"
extern void __end, __dso_handle;
# define DATASTART (&__dso_handle) /* OK, that's ugly. */
# define DATAEND (&__end)
/* Stack starts at 0xE0000000 for the simulator. */
# undef STACK_GRAN
# define STACK_GRAN 0x10000000
# define HEURISTIC1
# endif
# endif
......@@ -600,9 +686,12 @@
# ifdef SPARC
# define MACH_TYPE "SPARC"
# if defined(__arch64__) || defined(__sparcv9)
# define ALIGNMENT 8
# else
# define ALIGNMENT 4 /* Required by hardware */
# endif
# define ALIGN_DOUBLE
extern int etext;
# ifdef SUNOS5
# define OS_TYPE "SUNOS5"
extern int _etext;
......@@ -619,10 +708,18 @@
# define HEAP_START DATAEND
# endif
# define PROC_VDB
/* HEURISTIC1 reportedly no longer works under 2.7. Thus we */
/* switched to HEURISTIC2, eventhough it creates some debugging */
/* issues. */
/* HEURISTIC1 reportedly no longer works under 2.7. */
/* HEURISTIC2 probably works, but this appears to be preferable. */
/* Apparently USRSTACK is defined to be USERLIMIT, but in some */
/* installations that's undefined. We work around this with a */
/* gross hack: */
# include <sys/vmparam.h>
# ifdef USERLIMIT
/* This should work everywhere, but doesn't. */
# define STACKBOTTOM USRSTACK
# else
# define HEURISTIC2
# endif
# include <unistd.h>
# define GETPAGESIZE() sysconf(_SC_PAGESIZE)
/* getpagesize() appeared to be missing from at least one */
......@@ -661,22 +758,41 @@
# ifdef LINUX
# define OS_TYPE "LINUX"
# ifdef __ELF__
# define LINUX_DATA_START
# define DYNAMIC_LOADING
# else
Linux Sparc non elf ?
Linux Sparc/a.out not supported
# endif
extern int _end;
extern int _etext;
# define DATAEND (&_end)
# define SVR4
# ifdef __arch64__
# define STACKBOTTOM ((ptr_t) 0x80000000000ULL)
# define DATASTART (ptr_t)GC_SysVGetDataStart(0x100000, &_etext)
# define CPP_WORDSZ 64
# else
# define STACKBOTTOM ((ptr_t) 0xf0000000)
# define DATASTART (ptr_t)GC_SysVGetDataStart(0x10000, &_etext)
# endif
# endif
# ifdef OPENBSD
# define OS_TYPE "OPENBSD"
# define STACKBOTTOM ((ptr_t) 0xf8000000)
extern int etext;
# define DATASTART ((ptr_t)(&etext))
# endif
# ifdef NETBSD
# define OS_TYPE "NETBSD"
# define HEURISTIC2
# ifdef __ELF__
# define DATASTART GC_data_start
# define DYNAMIC_LOADING
# else
extern char etext;
# define DATASTART ((ptr_t)(&etext))
# endif
# endif
# endif
# ifdef I386
# define MACH_TYPE "I386"
......@@ -694,12 +810,25 @@
# define DATASTART ((ptr_t)((((word) (&etext)) + 0xfff) & ~0xfff))
# define STACKBOTTOM ((ptr_t) 0x3ffff000)
# endif
# ifdef BEOS
# define OS_TYPE "BEOS"
# include <OS.h>
# define GETPAGESIZE() B_PAGE_SIZE
extern int etext;
# define DATASTART ((ptr_t)((((word) (&etext)) + 0xfff) & ~0xfff))
# endif
# ifdef SUNOS5
# define OS_TYPE "SUNOS5"
extern int etext, _start;
extern char * GC_SysVGetDataStart();
# define DATASTART GC_SysVGetDataStart(0x1000, &etext)
# define STACKBOTTOM ((ptr_t)(&_start))
/* # define STACKBOTTOM ((ptr_t)(&_start)) worked through 2.7, */
/* but reportedly breaks under 2.8. It appears that the stack */
/* base is a property of the executable, so this should not break */
/* old executables. */
/* HEURISTIC2 probably works, but this appears to be preferable. */
# include <sys/vmparam.h>
# define STACKBOTTOM USRSTACK
/** At least in Solaris 2.5, PROC_VDB gives wrong values for dirty bits. */
/*# define PROC_VDB*/
# define DYNAMIC_LOADING
......@@ -791,7 +920,7 @@
# ifdef USE_3DNOW_PREFETCH
# define PREFETCH(x) \
__asm__ __volatile__ (" prefetch %0": : "m"(*(char *)(x)))
# define PREFETCH_FOR_WRITE(x)
# define PREFETCH_FOR_WRITE(x) \
__asm__ __volatile__ (" prefetchw %0": : "m"(*(char *)(x)))
# endif
# endif
......@@ -823,6 +952,7 @@
/* os_dep.c. OS2 actually has the right */
/* system call! */
# define DATAEND /* not needed */
# define USE_GENERIC_PUSH_REGS
# endif
# ifdef MSWIN32
# define OS_TYPE "MSWIN32"
......@@ -833,6 +963,10 @@
# endif
# define DATAEND /* not needed */
# endif
# ifdef MSWINCE
# define OS_TYPE "MSWINCE"
# define DATAEND /* not needed */
# endif
# ifdef DJGPP
# define OS_TYPE "DJGPP"
# include "stubinfo.h"
......@@ -851,6 +985,7 @@
# ifdef FREEBSD
# define OS_TYPE "FREEBSD"
# define MPROTECT_VDB
# define FREEBSD_STACKBOTTOM
# endif
# ifdef NETBSD
# define OS_TYPE "NETBSD"
......@@ -861,7 +996,7 @@
# ifdef BSDI
# define OS_TYPE "BSDI"
# endif
# if defined(OPENBSD) || defined(FREEBSD) || defined(NETBSD) \
# if defined(OPENBSD) || defined(NETBSD) || defined(FREEBSD) \
|| defined(THREE86BSD) || defined(BSDI)
# define HEURISTIC2
extern char etext;
......@@ -960,6 +1095,28 @@
# endif
# define DYNAMIC_LOADING
# endif
# ifdef MSWINCE
# define OS_TYPE "MSWINCE"
# define ALIGNMENT 4
# define DATAEND /* not needed */
# endif
# if defined(NETBSD)
/* This also checked for __MIPSEL__ . Why? NETBSD recognition */
/* should be handled at the top of the file. */
# define ALIGNMENT 4
# define OS_TYPE "NETBSD"
# define HEURISTIC2
# define USE_GENERIC_PUSH_REGS 1
# ifdef __ELF__
extern int etext;
# define DATASTART GC_data_start
# define NEED_FIND_LIMIT
# define DYNAMIC_LOADING
# else
# define DATASTART ((ptr_t) 0x10000000)
# define STACKBOTTOM ((ptr_t) 0x7ffff000)
# endif /* _ELF_ */
# endif
# endif
# ifdef RS6000
......@@ -973,7 +1130,6 @@
# endif
# ifdef HP_PA
/* OS is assumed to be HP/UX */
# define MACH_TYPE "HP_PA"
# define OS_TYPE "HPUX"
# ifdef __LP64__
......@@ -984,6 +1140,22 @@
# define ALIGNMENT 4
# define ALIGN_DOUBLE
# endif
# if !defined(GC_HPUX_THREADS) && !defined(HPUX_THREADS) \
&& !defined(GC_LINUX_THREADS) && !defined(LINUX_THREADS)
# ifndef LINUX /* For now. */
# define MPROTECT_VDB
# endif
# else
# define GENERIC_COMPARE_AND_SWAP
/* No compare-and-swap instruction. Use pthread mutexes */
/* when we absolutely have to. */
# ifdef PARALLEL_MARK
# define USE_MARK_BYTES
/* Minimize compare-and-swap usage. */
# endif
# endif
# define STACK_GROWS_UP
# ifdef HPUX
extern int __data_start;
# define DATASTART ((ptr_t)(&__data_start))
# if 0
......@@ -997,19 +1169,30 @@
# define STACKBOTTOM ((ptr_t) 0x7b033000) /* from /etc/conf/h/param.h */
# else
/* Gustavo Rodriguez-Rivera suggested changing HEURISTIC2 */
/* to this. We'll probably do this on other platforms, too. */
/* For now I'll use it where I can test it. */
/* to this. Note that the GC must be initialized before the */
/* first putenv call. */
extern char ** environ;
# define STACKBOTTOM ((ptr_t)environ)
# endif
# define STACK_GROWS_UP
# define DYNAMIC_LOADING
# ifndef HPUX_THREADS
# define MPROTECT_VDB
# endif
# include <unistd.h>
# define GETPAGESIZE() sysconf(_SC_PAGE_SIZE)
# ifndef __GNUC__
# define PREFETCH(x) { \
register long addr = (long)(x); \
(void) _asm ("LDW", 0, 0, addr, 0); \
}
# endif
# endif /* HPUX */
# ifdef LINUX
# define OS_TYPE "LINUX"
# define LINUX_STACKBOTTOM
# define DYNAMIC_LOADING
# define LINUX_DATA_START
extern int _end;
# define DATAEND (&_end)
# endif /* LINUX */
# endif /* HP_PA */
# ifdef ALPHA
# define MACH_TYPE "ALPHA"
......@@ -1019,15 +1202,31 @@
/* fp registers in some cases when the target is a 21264. The assembly */
/* code doesn't handle that yet, and version dependencies make that a */
/* bit tricky. Do the easy thing for now. */
# ifdef NETBSD
# define OS_TYPE "NETBSD"
# define HEURISTIC2
# define DATASTART GC_data_start
# define ELFCLASS32 32
# define ELFCLASS64 64
# define ELF_CLASS ELFCLASS64
# define CPP_WORDSZ 64
# define DYNAMIC_LOADING
# endif
# ifdef OSF1
# define OS_TYPE "OSF1"
# define DATASTART ((ptr_t) 0x140000000)
extern _end;
extern int _end;
# define DATAEND ((ptr_t) &_end)
# define HEURISTIC2
extern char ** environ;
/* round up from the value of environ to the nearest page boundary */
/* Probably breaks if putenv is called before collector */
/* initialization. */
# define STACKBOTTOM ((ptr_t)(((word)(environ) | (getpagesize()-1))+1))
/* # define HEURISTIC2 */
/* Normally HEURISTIC2 is too conervative, since */
/* the text segment immediately follows the stack. */
/* Hence we give an upper pound. */
/* This is currently unused, since we disabled HEURISTIC2 */
extern int __start;
# define HEURISTIC2_LIMIT ((ptr_t)((word)(&__start) & ~(getpagesize()-1)))
# define CPP_WORDSZ 64
......@@ -1039,9 +1238,9 @@
# define CPP_WORDSZ 64
# define STACKBOTTOM ((ptr_t) 0x120000000)
# ifdef __ELF__
# define LINUX_DATA_START
# define SEARCH_FOR_DATA_START
# define DATASTART GC_data_start
# define DYNAMIC_LOADING
/* This doesn't work if the collector is in a dynamic library. */
# else
# define DATASTART ((ptr_t) 0x140000000)
# endif
......@@ -1059,33 +1258,39 @@
/* Requires 16 byte alignment for malloc */
# define ALIGNMENT 8
# define USE_GENERIC_PUSH_REGS
/* We need to get preserved registers in addition to register windows. */
/* That's easiest to do with setjmp. */
/* We need to get preserved registers in addition to register */
/* windows. That's easiest to do with setjmp. */
# ifdef PARALLEL_MARK
# define USE_MARK_BYTES
/* Compare-and-exchange is too expensive to use for */
/* setting mark bits. */
# endif
# ifdef HPUX
--> needs work
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
# define CPP_WORDSZ 64
/* This should really be done through /proc, but that */
/* requires we run on an IA64 kernel. */
# define STACKBOTTOM ((ptr_t) 0xa000000000000000l)
/* The following works on NUE and older kernels: */
/* # define STACKBOTTOM ((ptr_t) 0xa000000000000000l) */
/* This does not work on NUE: */
# define LINUX_STACKBOTTOM
/* We also need the base address of the register stack */
/* backing store. There is probably a better way to */
/* get that, too ... */
# define BACKING_STORE_BASE ((ptr_t) 0x9fffffff80000000l)
# if 1
/* backing store. This is computed in */
/* GC_linux_register_stack_base based on the following */
/* constants: */
# define BACKING_STORE_ALIGNMENT 0x100000
# define BACKING_STORE_DISPLACEMENT 0x80000000
extern char * GC_register_stackbottom;
# define BACKING_STORE_BASE ((ptr_t)GC_register_stackbottom)
# define SEARCH_FOR_DATA_START
# define DATASTART GC_data_start
# else
extern int data_start;
# define DATASTART ((ptr_t)(&data_start))
# endif
# define DYNAMIC_LOADING
# define MPROTECT_VDB
/* Requires Linux 2.3.47 or later. */
extern int _end;
# define DATAEND (&_end)
# ifdef __GNUC__
# define PREFETCH(x) \
__asm__ (" lfetch [%0]": : "r"((void *)(x)))
# define PREFETCH_FOR_WRITE(x) \
......@@ -1094,6 +1299,7 @@
__asm__ (" stf.spill [%0]=f0": : "r"((void *)(x)))
# endif
# endif
# endif
# ifdef M88K
# define MACH_TYPE "M88K"
......@@ -1114,8 +1320,10 @@
# ifdef S370
# define MACH_TYPE "S370"
# define OS_TYPE "UTS4"
# define ALIGNMENT 4 /* Required by hardware */
# define USE_GENERIC_PUSH_REGS
# ifdef UTS4
# define OS_TYPE "UTS4"
extern int etext;
extern int _etext;
extern int _end;
......@@ -1124,6 +1332,14 @@
# define DATAEND (&_end)
# define HEURISTIC2
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
# define HEURISTIC1
# define DYNAMIC_LOADING
extern int __data_start;
# define DATASTART ((ptr_t)(&__data_start))
# endif
# endif
# if defined(PJ)
# define ALIGNMENT 4
......@@ -1173,8 +1389,37 @@
# define DATASTART ((ptr_t)((((word) (&etext)) + 0xfff) & ~0xfff))
# endif
# endif
# ifdef MSWINCE
# define OS_TYPE "MSWINCE"
# define DATAEND /* not needed */
# endif
#endif
# ifdef SH
# define MACH_TYPE "SH"
# define ALIGNMENT 4
# ifdef MSWINCE
# define OS_TYPE "MSWINCE"
# define DATAEND /* not needed */
# endif
# ifdef LINUX
# define OS_TYPE "LINUX"
# define STACKBOTTOM ((ptr_t) 0x7c000000)
# define USE_GENERIC_PUSH_REGS
# define DYNAMIC_LOADING
# define LINUX_DATA_START
extern int _end;
# define DATAEND (&_end)
# endif
# endif
# ifdef SH4
# define MACH_TYPE "SH4"
# define OS_TYPE "MSWINCE"
# define ALIGNMENT 4
# define DATAEND /* not needed */
# endif
#ifdef LINUX_DATA_START
/* Some Linux distributions arrange to define __data_start. Some */
/* define data_start as a weak symbol. The latter is technically */
......@@ -1188,6 +1433,14 @@
# define DATASTART ((ptr_t)(&__data_start != 0? &__data_start : &data_start))
#endif
#if defined(LINUX) && defined(REDIRECT_MALLOC)
/* Rld appears to allocate some memory with its own allocator, and */
/* some through malloc, which might be redirected. To make this */
/* work with collectable memory, we have to scan memory allocated */
/* by rld's internal malloc. */
# define USE_PROC_FOR_LIBRARIES
#endif
# ifndef STACK_GROWS_UP
# define STACK_GROWS_DOWN
# endif
......@@ -1234,6 +1487,12 @@
# define SUNOS5SIGS
# endif
# if defined(SVR4) || defined(LINUX) || defined(IRIX) || defined(HPUX) \
|| defined(OPENBSD) || defined(NETBSD) || defined(FREEBSD) \
|| defined(BSD) || defined(AIX) || defined(MACOSX) || defined(OSF1)
# define UNIX_LIKE /* Basic Unix-like system calls work. */
# endif
# if CPP_WORDSZ != 32 && CPP_WORDSZ != 64
-> bad word size
# endif
......@@ -1264,6 +1523,10 @@
# undef MPROTECT_VDB /* Can't deal with address space holes. */
# endif
# ifdef PARALLEL_MARK
# undef MPROTECT_VDB /* For now. */
# endif
# if !defined(PCR_VDB) && !defined(PROC_VDB) && !defined(MPROTECT_VDB)
# define DEFAULT_VDB
# endif
......@@ -1288,15 +1551,38 @@
((word*)x)[1] = 0;
# endif /* CLEAR_DOUBLE */
/* Internally to the collector we test only the XXX_THREADS macros */
/* not the GC_XXX_THREADS versions. Here we make sure the latter */
/* are treated as equivalent. */
#if defined(GC_SOLARIS_THREADS) && !defined(_SOLARIS_THREADS)
# define _SOLARIS_THREADS
#endif
#if defined(GC_SOLARIS_THREADS) && !defined(_SOLARIS_PTHREADS)
# define _SOLARIS_PTHREADS
#endif
#if defined(GC_IRIX_THREADS) && !defined(IRIX_THREADS)
# define IRIX_THREADS
#endif
#if defined(GC_LINUX_THREADS) && !defined(LINUX_THREADS)
# define LINUX_THREADS
#endif
#if defined(GC_WIN32_THREADS) && !defined(WIN32_THREADS)
# define WIN32_THREADS
#endif
#if defined(GC_HPUX_THREADS) && !defined(HPUX_THREADS)
# define HPUX_THREADS
#endif
#if defined(GC_OSF1_THREADS) && !defined(OSF1_THREADS)
# define OSF1_THREADS
#endif
/* Internally we use SOLARIS_THREADS to test for either old or pthreads. */
# if defined(_SOLARIS_PTHREADS) && !defined(SOLARIS_THREADS)
# define SOLARIS_THREADS
# endif
# if defined(IRIX_THREADS) && !defined(IRIX5)
--> inconsistent configuration
# endif
# if defined(IRIX_JDK_THREADS) && !defined(IRIX5)
--> inconsistent configuration
# endif
# if defined(LINUX_THREADS) && !defined(LINUX)
--> inconsistent configuration
# endif
......@@ -1309,16 +1595,26 @@
# if defined(PCR) || defined(SRC_M3) || \
defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
defined(IRIX_THREADS) || defined(LINUX_THREADS) || \
defined(IRIX_JDK_THREADS) || defined(HPUX_THREADS)
defined(HPUX_THREADS) || defined(OSF1_THREADS)
# define THREADS
# endif
# if defined(HP_PA) || defined(M88K) || defined(POWERPC) \
|| (defined(I386) && defined(OS2)) || defined(UTS4) || defined(LINT)
# if defined(HP_PA) || defined(M88K) || defined(POWERPC) && !defined(MACOSX) \
|| defined(LINT) || defined(MSWINCE) \
|| (defined(I386) && defined(__LCC__))
/* Use setjmp based hack to mark from callee-save registers. */
/* The define should move to the individual platform */
/* descriptions. */
# define USE_GENERIC_PUSH_REGS
# endif
# if defined(SPARC) && !defined(LINUX)
# if defined(I386) && defined(LINUX)
/* SAVE_CALL_CHAIN is supported if the code is compiled to save */
/* frame pointers by default, i.e. no -fomit-frame-pointer flag. */
# ifdef SAVE_CALL_COUNT
# define SAVE_CALL_CHAIN
# endif
# endif
# if defined(SPARC)
# define SAVE_CALL_CHAIN
# define ASM_CLEAR_CODE /* Stack clearing is crucial, and we */
/* include assembly code to do it well. */
......
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