Portability improvements, e.g., libmudflap/15293.

2004-06-04  Frank Ch. Eigler  <fche@redhat.com>

	Portability improvements, e.g., libmudflap/15293.
	* configure.in: Look for glibc extension functions.  Look for
	support of -f{function,data}-sections.  Look for more headers.
	Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
	* Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
	mf-hooks* into usual single object per source.
	* mf-hooks*.c: Remove all #if WRAP_foo conditionals.
	* mf-hooks2.c: #include a bunch more system headers.  Define strnlen
	if system doesn't provide one.
	* mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
	(pthread_create): Use it to properly GC dead thread stacks.
	* mf-runtime.c (__mf_violation): Correct snprintf type warning.
	* testsuite/Makefile.am: Stop generating site.exp.
	* testsuite/mfconfig.exp.in: New file.
	* testsuite/config/default.exp: Load new mfconfig.exp.
	* testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
	(prune_gcc_output): Add glibc static linking warnings.
	* testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
	* testsuite/libmudflap.c/pass46-frag.c: Ditto.
	* configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
	Regenerated with autoconf 2.57 and automake 1.7.

From-SVN: r82632

libmudflap/ChangeLog

+2004-06-04  Frank Ch. Eigler  <fche@redhat.com>
+
+	Portability improvements, e.g., libmudflap/15293.
+	* configure.in: Look for glibc extension functions.  Look for
+	support of -f{function,data}-sections.  Look for more headers.
+	Create testsuite/mfconfig.exp.  Correct more "test x.." thinkos.
+	* Makefile.am: Use $(SECTION_FLAGS).  Collapse piecemeal-compiled
+	mf-hooks* into usual single object per source.
+	* mf-hooks*.c: Remove all #if WRAP_foo conditionals.
+	* mf-hooks2.c: #include a bunch more system headers.  Define strnlen
+	if system doesn't provide one.
+	* mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
+	(pthread_create): Use it to properly GC dead thread stacks.
+	* mf-runtime.c (__mf_violation): Correct snprintf type warning.
+	* testsuite/Makefile.am: Stop generating site.exp.
+	* testsuite/mfconfig.exp.in: New file.
+	* testsuite/config/default.exp: Load new mfconfig.exp.
+	* testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
+	(prune_gcc_output): Add glibc static linking warnings.
+	* testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
+	* testsuite/libmudflap.c/pass46-frag.c: Ditto.
+	* configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
+	Regenerated with autoconf 2.57 and automake 1.7.
+	
 2004-06-04  Per Bothner  <per@bothner.com>
 
 	* configure.in (LIBMUDFLAPTH):  Fix thinko.

libmudflap/Makefile.am

 ## Makefile for the toplevel directory of the mudflap library.
 ##
-## Copyright (C) 2002, 2003
+## Copyright (C) 2002, 2003, 2004
 ## Free Software Foundation, Inc.
 ##
 
@@ -8,7 +8,8 @@ AUTOMAKE_OPTIONS = 1.3 foreign
 MAINT_CHARSET = latin1
 SUBDIRS = testsuite
 
-AM_CFLAGS = -Wall
+SECTION_FLAGS = @SECTION_FLAGS@
+AM_CFLAGS = -Wall $(SECTION_FLAGS)
 
 if LIBMUDFLAPTH
 libmudflapth = libmudflapth.la
@@ -21,289 +22,34 @@ include_HEADERS = mf-runtime.h
 
 libmudflap_la_SOURCES = \
 	mf-runtime.c \
-	mf-heuristics.c
-
-HOOK1OBJS = \
- malloc-hook.lo \
- free-hook.lo \
- calloc-hook.lo \
- realloc-hook.lo \
- mmap-hook.lo \
- munmap-hook.lo \
- alloca-hook.lo
-
-HOOK2OBJS = \
- memcpy-hook.lo \
- memmove-hook.lo \
- memset-hook.lo \
- memcmp-hook.lo \
- memchr-hook.lo \
- memrchr-hook.lo \
- strcpy-hook.lo \
- strncpy-hook.lo \
- strcat-hook.lo \
- strncat-hook.lo \
- strcmp-hook.lo \
- strcasecmp-hook.lo \
- strncmp-hook.lo \
- strncasecmp-hook.lo \
- strdup-hook.lo \
- strndup-hook.lo \
- strchr-hook.lo \
- strrchr-hook.lo \
- strstr-hook.lo \
- memmem-hook.lo \
- strlen-hook.lo \
- strnlen-hook.lo \
- bzero-hook.lo \
- bcopy-hook.lo \
- bcmp-hook.lo \
- index-hook.lo \
- rindex-hook.lo \
- asctime-hook.lo \
- ctime-hook.lo \
- gmtime-hook.lo \
- localtime-hook.lo \
- time-hook.lo \
- strerror-hook.lo \
- fopen-hook.lo \
- fclose-hook.lo \
- fread-hook.lo \
- fwrite-hook.lo \
- fgetc-hook.lo \
- fgets-hook.lo \
- getc-hook.lo \
- gets-hook.lo \
- ungetc-hook.lo \
- fputc-hook.lo \
- fputs-hook.lo \
- putc-hook.lo \
- puts-hook.lo \
- clearerr-hook.lo \
- feof-hook.lo \
- ferror-hook.lo \
- fileno-hook.lo \
- printf-hook.lo \
- fprintf-hook.lo \
- sprintf-hook.lo \
- snprintf-hook.lo \
- vprintf-hook.lo \
- vfprintf-hook.lo \
- vsprintf-hook.lo \
- vsnprintf-hook.lo \
- access-hook.lo \
- remove-hook.lo \
- fflush-hook.lo \
- fseek-hook.lo \
- ftell-hook.lo \
- rewind-hook.lo \
- fgetpos-hook.lo \
- fsetpos-hook.lo \
- stat-hook.lo \
- fstat-hook.lo \
- lstat-hook.lo \
- mkfifo-hook.lo \
- setvbuf-hook.lo \
- setbuf-hook.lo \
- opendir-hook.lo \
- closedir-hook.lo \
- readdir-hook.lo \
- recv-hook.lo \
- recvfrom-hook.lo \
- recvmsg-hook.lo \
- send-hook.lo \
- sendto-hook.lo \
- sendmsg-hook.lo \
- setsockopt-hook.lo \
- getsockopt-hook.lo \
- accept-hook.lo \
- bind-hook.lo \
- connect-hook.lo \
- gethostname-hook.lo \
- sethostname-hook.lo \
- gethostbyname-hook.lo \
- wait-hook.lo \
- waitpid-hook.lo \
- popen-hook.lo \
- pclose-hook.lo \
- execve-hook.lo \
- execv-hook.lo \
- execvp-hook.lo \
- system-hook.lo \
- dlopen-hook.lo \
- dlerror-hook.lo \
- dlsym-hook.lo \
- dlclose-hook.lo \
- fopen64-hook.lo \
- stat64-hook.lo \
- fseeko64-hook.lo \
- ftello64-hook.lo \
- semop-hook.lo \
- semctl-hook.lo \
- shmctl-hook.lo \
- shmat-hook.lo \
- shmdt-hook.lo
-HOOK3OBJS = 
-
-$(HOOK1OBJS): mf-hooks1.c mf-runtime.h mf-impl.h
-	hook=`basename $@ -hook.lo`; \
-	$(LTCOMPILE) -DWRAP_$$hook -c $(srcdir)/mf-hooks1.c -o $@
-$(HOOK2OBJS): mf-hooks2.c mf-runtime.h mf-impl.h
-	hook=`basename $@ -hook.lo`; \
-	$(LTCOMPILE) -DWRAP_$$hook -c $(srcdir)/mf-hooks2.c -o $@
-$(HOOK3OBJS): mf-hooks3.c mf-runtime.h mf-impl.h
-	hook=`basename $@ -hook.lo`; \
-	$(LTCOMPILE) -DWRAP_$$hook -c $(srcdir)/mf-hooks3.c -o $@
-
-# Hook objects only for libmudflapth use 
-PTHHOOK1OBJS= \
- pth/malloc-hook.lo \
- pth/free-hook.lo \
- pth/calloc-hook.lo \
- pth/realloc-hook.lo \
- pth/mmap-hook.lo \
- pth/munmap-hook.lo \
- pth/alloca-hook.lo
-
-PTHHOOK2OBJS= \
- pth/memcpy-hook.lo \
- pth/memmove-hook.lo \
- pth/memset-hook.lo \
- pth/memcmp-hook.lo \
- pth/memchr-hook.lo \
- pth/memrchr-hook.lo \
- pth/strcpy-hook.lo \
- pth/strncpy-hook.lo \
- pth/strcat-hook.lo \
- pth/strncat-hook.lo \
- pth/strcmp-hook.lo \
- pth/strcasecmp-hook.lo \
- pth/strncmp-hook.lo \
- pth/strncasecmp-hook.lo \
- pth/strdup-hook.lo \
- pth/strndup-hook.lo \
- pth/strchr-hook.lo \
- pth/strrchr-hook.lo \
- pth/strstr-hook.lo \
- pth/memmem-hook.lo \
- pth/strlen-hook.lo \
- pth/strnlen-hook.lo \
- pth/bzero-hook.lo \
- pth/bcopy-hook.lo \
- pth/bcmp-hook.lo \
- pth/index-hook.lo \
- pth/rindex-hook.lo \
- pth/asctime-hook.lo \
- pth/ctime-hook.lo \
- pth/gmtime-hook.lo \
- pth/localtime-hook.lo \
- pth/time-hook.lo \
- pth/strerror-hook.lo \
- pth/fopen-hook.lo \
- pth/fclose-hook.lo \
- pth/fread-hook.lo \
- pth/fwrite-hook.lo \
- pth/fgetc-hook.lo \
- pth/fgets-hook.lo \
- pth/getc-hook.lo \
- pth/gets-hook.lo \
- pth/ungetc-hook.lo \
- pth/fputc-hook.lo \
- pth/fputs-hook.lo \
- pth/putc-hook.lo \
- pth/puts-hook.lo \
- pth/clearerr-hook.lo \
- pth/feof-hook.lo \
- pth/ferror-hook.lo \
- pth/fileno-hook.lo \
- pth/printf-hook.lo \
- pth/fprintf-hook.lo \
- pth/sprintf-hook.lo \
- pth/snprintf-hook.lo \
- pth/vprintf-hook.lo \
- pth/vfprintf-hook.lo \
- pth/vsprintf-hook.lo \
- pth/vsnprintf-hook.lo \
- pth/access-hook.lo \
- pth/remove-hook.lo \
- pth/fflush-hook.lo \
- pth/fseek-hook.lo \
- pth/ftell-hook.lo \
- pth/rewind-hook.lo \
- pth/fgetpos-hook.lo \
- pth/fsetpos-hook.lo \
- pth/stat-hook.lo \
- pth/fstat-hook.lo \
- pth/lstat-hook.lo \
- pth/mkfifo-hook.lo \
- pth/setvbuf-hook.lo \
- pth/setbuf-hook.lo \
- pth/opendir-hook.lo \
- pth/closedir-hook.lo \
- pth/readdir-hook.lo \
- pth/recv-hook.lo \
- pth/recvfrom-hook.lo \
- pth/recvmsg-hook.lo \
- pth/send-hook.lo \
- pth/sendto-hook.lo \
- pth/sendmsg-hook.lo \
- pth/setsockopt-hook.lo \
- pth/getsockopt-hook.lo \
- pth/accept-hook.lo \
- pth/bind-hook.lo \
- pth/connect-hook.lo \
- pth/gethostname-hook.lo \
- pth/sethostname-hook.lo \
- pth/gethostbyname-hook.lo \
- pth/wait-hook.lo \
- pth/waitpid-hook.lo \
- pth/popen-hook.lo \
- pth/pclose-hook.lo \
- pth/execve-hook.lo \
- pth/execv-hook.lo \
- pth/execvp-hook.lo \
- pth/system-hook.lo \
- pth/dlopen-hook.lo \
- pth/dlerror-hook.lo \
- pth/dlsym-hook.lo \
- pth/dlclose-hook.lo \
- pth/fopen64-hook.lo \
- pth/stat64-hook.lo \
- pth/fseeko64-hook.lo \
- pth/ftello64-hook.lo \
- pth/semop-hook.lo \
- pth/semctl-hook.lo \
- pth/shmctl-hook.lo \
- pth/shmat-hook.lo \
- pth/shmdt-hook.lo
-
-PTHHOOK3OBJS= \
- pth/pthreadstuff-hook.lo
-
+	mf-heuristics.c \
+	mf-hooks1.c \
+	mf-hooks2.c
+libmudflap_la_LIBADD = 
+libmudflap_la_DEPENDENCIES = $(libmudflap_la_LIBADD)
 
 clean-local:
 	rm -f pth/*.o pth/*.lo
 
-libmudflapth_la_SOURCES =
 pth/mf-runtime.lo: mf-runtime.c mf-runtime.h mf-impl.h
 	$(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-runtime.c -o $@
 pth/mf-heuristics.lo: mf-heuristics.c mf-runtime.h mf-impl.h
 	$(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-heuristics.c -o $@
-$(PTHHOOK1OBJS): mf-hooks1.c mf-runtime.h mf-impl.h
-	hook=`basename $@ -hook.lo`; \
-	$(LTCOMPILE) -DLIBMUDFLAPTH -DWRAP_$$hook -c $(srcdir)/mf-hooks1.c -o $@
-$(PTHHOOK2OBJS): mf-hooks2.c mf-runtime.h mf-impl.h
-	hook=`basename $@ -hook.lo`; \
-	$(LTCOMPILE) -DLIBMUDFLAPTH -DWRAP_$$hook -c $(srcdir)/mf-hooks2.c -o $@
-$(PTHHOOK3OBJS): mf-hooks3.c mf-runtime.h mf-impl.h
-	hook=`basename $@ -hook.lo`; \
-	$(LTCOMPILE) -DLIBMUDFLAPTH -DWRAP_$$hook -c $(srcdir)/mf-hooks3.c -o $@
+pth/mf-hooks1.lo: mf-hooks1.c mf-runtime.h mf-impl.h
+	$(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-hooks1.c -o $@
+pth/mf-hooks2.lo: mf-hooks2.c mf-runtime.h mf-impl.h
+	$(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-hooks2.c -o $@
+pth/mf-hooks3.lo: mf-hooks3.c mf-runtime.h mf-impl.h
+	$(LTCOMPILE) -DLIBMUDFLAPTH -c $(srcdir)/mf-hooks3.c -o $@
 
-libmudflap_la_LIBADD = $(HOOK1OBJS) $(HOOK2OBJS) $(HOOK3OBJS)
-libmudflap_la_DEPENDENCIES = $(libmudflap_la_LIBADD)
 
-libmudflapth_la_LIBADD = pth/mf-runtime.lo pth/mf-heuristics.lo \
-	$(PTHHOOK1OBJS) $(PTHHOOK2OBJS) $(PTHHOOK3OBJS)
+libmudflapth_la_SOURCES =
+libmudflapth_la_LIBADD = \
+	pth/mf-runtime.lo \
+	pth/mf-heuristics.lo \
+	pth/mf-hooks1.lo \
+	pth/mf-hooks2.lo \
+	pth/mf-hooks3.lo
 libmudflapth_la_DEPENDENCIES = $(libmudflapth_la_LIBADD)
 
 

libmudflap/config.h.in

@@ -33,15 +33,24 @@
 /* Define to 1 if you have the `dl' library (-ldl). */
 #undef HAVE_LIBDL
 
+/* Define to 1 if you have the `memmem' function. */
+#undef HAVE_MEMMEM
+
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 
+/* Define to 1 if you have the `memrchr' function. */
+#undef HAVE_MEMRCHR
+
 /* Define to 1 if you have the <netdb.h> header file. */
 #undef HAVE_NETDB_H
 
 /* define if you have <pthread.h> */
 #undef HAVE_PTHREAD_H
 
+/* Define to 1 if you have the `sethostname' function. */
+#undef HAVE_SETHOSTNAME
+
 /* Define to 1 if you have the `signal' function. */
 #undef HAVE_SIGNAL
 
@@ -66,12 +75,21 @@
 /* Define to 1 if you have the <string.h> header file. */
 #undef HAVE_STRING_H
 
+/* Define to 1 if you have the `strncpy' function. */
+#undef HAVE_STRNCPY
+
+/* Define to 1 if you have the `strnlen' function. */
+#undef HAVE_STRNLEN
+
 /* Define to 1 if you have the <sys/ipc.h> header file. */
 #undef HAVE_SYS_IPC_H
 
 /* Define to 1 if you have the <sys/sem.h> header file. */
 #undef HAVE_SYS_SEM_H
 
+/* Define to 1 if you have the <sys/shm.h> header file. */
+#undef HAVE_SYS_SHM_H
+
 /* Define to 1 if you have the <sys/socket.h> header file. */
 #undef HAVE_SYS_SOCKET_H
 

libmudflap/configure.in

@@ -63,12 +63,15 @@ AC_TRY_COMPILE([
 enable_shared=no])
 
 AC_CHECK_HEADERS(stdint.h execinfo.h signal.h dlfcn.h \
-  netdb.h sys/ipc.h sys/sem.h sys/wait.h sys/socket.h)
+  netdb.h sys/ipc.h sys/sem.h sys/shm.h sys/wait.h sys/socket.h)
 AC_CHECK_FUNCS(backtrace backtrace_symbols gettimeofday signal)
 
 dnl Check for 64-bit stdio calls related to Large File Support
 AC_CHECK_FUNCS(fopen64 fseeko64 ftello64 stat64)
 
+dnl Check for nonstandard functions
+AC_CHECK_FUNCS(strnlen memrchr strncpy memmem sethostname)
+
 AC_TRY_COMPILE([#include <sys/types.h>
 #include <sys/ipc.h>
 #include <sys/sem.h>],[union semun foo;], [mf_have_semun=1], [mf_have_semun=0])
@@ -115,7 +118,14 @@ ac_have_pthread_h=yes
 ],[
 ac_have_pthread_h=
 ])
-AM_CONDITIONAL(LIBMUDFLAPTH, [test "$ac_have_pthread_h" != ""])
+AM_CONDITIONAL(LIBMUDFLAPTH, [test "x$ac_have_pthread_h" != "x"])
+if test "x$ac_have_pthread_h" != "x"
+then
+        build_libmudflapth=1
+else
+        build_libmudflapth=0
+fi
+AC_SUBST(build_libmudflapth)
 
 AC_CHECK_LIB(dl, dlsym)
 
@@ -155,7 +165,7 @@ esac
 AC_SUBST(toolexecdir)
 AC_SUBST(toolexeclibdir)
 
-if test "x$enable_shared" = "xyes" && test "x$ac_have_pthread_h" != ""; then
+if test "x$enable_shared" = "xyes" && test "x$ac_have_pthread_h" != "x"; then
   # NB: don't check for -lpthread here, because then it would be
   # added to LIBS.  For the thread-unaware libmudflap.la, we don't
   # want it there.
@@ -166,7 +176,7 @@ if test "x$enable_shared" = "xyes" && test "x$ac_have_pthread_h" != ""; then
   # the nonstandard dlvsym().
   AC_CHECK_FUNCS(dlvsym)
   AC_CHECK_TOOL(NM, nm)
-  if test "x$ac_cv_have_dlvsym" != ""; then
+  if test "x$ac_cv_have_dlvsym" != "x"; then
     # Try compiling a simple pthreads program.  Find the shared libraries it
     # ends up with.  Then use "nm" on those libraries to extract the
     # default symbol versioning suffix ("@@"), if any.  But that's tricky.
@@ -193,10 +203,33 @@ EOF
 fi
 AC_DEFINE_UNQUOTED(PTHREAD_CREATE_VERSION, $pthread_create_version, [pthread_create symbol version])
 
+
+# Figure out whether the compiler supports "-ffunction-sections -fdata-sections",
+# similarly to how libstdc++ does it
+ac_test_CFLAGS="${CFLAGS+set}"
+ac_save_CFLAGS="$CFLAGS"
+
+# Check for -ffunction-sections -fdata-sections
+AC_MSG_CHECKING([for gcc that supports -ffunction-sections -fdata-sections])
+CFLAGS='-Werror -ffunction-sections -fdata-sections'
+AC_TRY_COMPILE(, [int foo;], [ac_fdsections=yes], [ac_fdsections=no])
+if test "$ac_test_CFLAGS" = set; then
+  CFLAGS="$ac_save_CFLAGS"
+else
+  # this is the suspicious part
+  CFLAGS=""
+fi
+if test x"$ac_fdsections" = x"yes"; then
+  SECTION_FLAGS='-ffunction-sections -fdata-sections'
+fi
+AC_MSG_RESULT($ac_fdsections)
+AC_SUBST(SECTION_FLAGS)
+
+
 if test ${multilib} = yes; then
   multilib_arg="--enable-multilib"
 else
   multilib_arg=
 fi
 
-AC_OUTPUT([Makefile testsuite/Makefile mf-runtime.h])
+AC_OUTPUT([Makefile testsuite/Makefile testsuite/mfconfig.exp mf-runtime.h])

libmudflap/mf-hooks1.c

 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
@@ -74,8 +74,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    use plain macros in mf-runtime.h.  */
 
 
-#ifdef WRAP_malloc
-
 #if PIC
 /* A special bootstrap variant. */
 void *
@@ -86,6 +84,7 @@ __mf_0fn_malloc (size_t c)
 }
 #endif
 
+
 #undef malloc
 WRAPPER(void *, malloc, size_t c)
 {
@@ -108,11 +107,8 @@ WRAPPER(void *, malloc, size_t c)
 
   return result;
 }
-#endif
 
 
-#ifdef WRAP_calloc
-
 #ifdef PIC
 /* A special bootstrap variant. */
 void *
@@ -136,6 +132,7 @@ __mf_0fn_calloc (size_t c, size_t n)
 }
 #endif
 
+
 #undef calloc
 WRAPPER(void *, calloc, size_t c, size_t n)
 {
@@ -164,9 +161,7 @@ WRAPPER(void *, calloc, size_t c, size_t n)
   
   return result;
 }
-#endif
 
-#ifdef WRAP_realloc
 
 #if PIC
 /* A special bootstrap variant. */
@@ -177,6 +172,7 @@ __mf_0fn_realloc (void *buf, size_t c)
 }
 #endif
 
+
 #undef realloc
 WRAPPER(void *, realloc, void *buf, size_t c)
 {
@@ -220,11 +216,8 @@ WRAPPER(void *, realloc, void *buf, size_t c)
 
   return result;
 }
-#endif
 
 
-#ifdef WRAP_free
-
 #if PIC
 /* A special bootstrap variant. */
 void
@@ -297,11 +290,8 @@ WRAPPER(void, free, void *buf)
       CALL_REAL (free, base);
     }
 }
-#endif
 
 
-#ifdef WRAP_mmap
-
 #if PIC
 /* A special bootstrap variant. */
 void *
@@ -353,10 +343,7 @@ WRAPPER(void *, mmap,
 
   return result;
 }
-#endif
-
 
-#ifdef WRAP_munmap
 
 #if PIC
 /* A special bootstrap variant. */
@@ -395,10 +382,7 @@ WRAPPER(int , munmap, void *start, size_t length)
     }
   return result;
 }
-#endif
-
 
-#ifdef WRAP_alloca
 
 /* This wrapper is a little different, as it's called indirectly from
    __mf_fini also to clean up pending allocations.  */ 
@@ -428,7 +412,9 @@ __mf_wrap_alloca_indirect (size_t c)
 
   /* Free any previously alloca'd blocks that belong to deeper-nested functions,
      which must therefore have exited by now.  */
-#define DEEPER_THAN < /* for x86 */
+
+#define DEEPER_THAN < /* XXX: for x86; steal find_stack_direction() from libiberty/alloca.c */
+
   while (alloca_history &&
 	 ((uintptr_t) alloca_history->stack DEEPER_THAN (uintptr_t) stack))
     {
@@ -474,5 +460,3 @@ WRAPPER(void *, alloca, size_t c)
   return __mf_wrap_alloca_indirect (c);
 }
 
-#endif
-

libmudflap/mf-hooks3.c

 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
@@ -59,6 +59,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include <errno.h>
 #include <limits.h>
 #include <sched.h>
+#include <fcntl.h>
 
 #include "mf-runtime.h"
 #include "mf-impl.h"
@@ -71,8 +72,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 /* Multithreading support hooks.  */
 
 
-#ifdef WRAP_pthreadstuff
-
 
 #ifndef LIBMUDFLAPTH
 #error "pthreadstuff is to be included only in libmudflapth"
@@ -87,9 +86,12 @@ struct pthread_info
   short dead_p;  /* Is this thread dead?  */
   pthread_t self; /* The thread id.  */
 
-  /* If libmudflapth allocated the stack, store its base/size.  */
+  /* If libmudflapth allocated the stack, store its adjusted base/size.  */
   void *stack;
   size_t stack_size;
+  /* The _alloc fields store unadjusted values from the moment of allocation.  */
+  void *stack_alloc;
+  size_t stack_size_alloc;
 
   int *thread_errno;
   enum __mf_state_enum state;
@@ -357,6 +359,8 @@ WRAPPER(int, pthread_create, pthread_t *thr, const pthread_attr_t *attr,
   pthread_attr_t override_attr;
   void *override_stack;
   size_t override_stacksize;
+  void *override_stack_alloc = (void *) 0;
+  size_t override_stacksize_alloc = 0;
   unsigned i;
 
   TRACE ("pthread_create\n");
@@ -381,9 +385,9 @@ WRAPPER(int, pthread_create, pthread_t *thr, const pthread_attr_t *attr,
       if (pi->dead_p >= 10 /* XXX */)
 	{
 	  if (pi->stack)
-	    CALL_REAL (munmap, pi->stack, pi->stack_size);
+	    CALL_REAL (munmap, pi->stack_alloc, pi->stack_size_alloc);
 
-	  VERBOSE_TRACE ("slot %u freed, stack %p\n", i, pi->stack);
+	  VERBOSE_TRACE ("slot %u freed, stack %p\n", i, pi->stack_alloc);
 	  memset (pi, 0, sizeof (*pi));
 
 	  /* One round of garbage collection is enough.  */
@@ -435,14 +439,32 @@ WRAPPER(int, pthread_create, pthread_t *thr, const pthread_attr_t *attr,
 #define MF_MAP_ANON MAP_ANONYMOUS
 #elif defined(MAP_ANON)
 #define MF_MAP_ANON MAP_ANON
-#else
-#error "Cannot mmap anonymous memory."
 #endif
 
+#ifndef MAP_FAILED
+#define MAP_FAILED ((void *) -1)
+#endif
+
+#ifdef MF_MAP_ANON
       override_stack = CALL_REAL (mmap, NULL, override_stacksize, 
 				  PROT_READ|PROT_WRITE, 
 				  MAP_PRIVATE|MF_MAP_ANON,
 				  0, 0);
+#else
+      /* Try mapping /dev/zero instead.  */
+      {
+        static int zerofd = -1;
+        if (zerofd == -1)
+          zerofd = open ("/dev/zero", O_RDWR);
+        if (zerofd == -1)
+          override_stack = MAP_FAILED;
+        else
+          override_stack = CALL_REAL (mmap, NULL, override_stacksize, 
+                                      PROT_READ|PROT_WRITE, 
+                                      MAP_PRIVATE, zerofd, 0);
+      }
+#endif
+
       if (override_stack == 0 || override_stack == MAP_FAILED)
 	{
 	  errno = EAGAIN;
@@ -452,10 +474,15 @@ WRAPPER(int, pthread_create, pthread_t *thr, const pthread_attr_t *attr,
       VERBOSE_TRACE ("thread stack alloc %p size %lu\n", 
 		     override_stack, (unsigned long) override_stacksize);
 
+      /* Save the original allocated values for later deallocation.  */
+      override_stack_alloc = override_stack;
+      override_stacksize_alloc = override_stacksize;
+
       /* The stackaddr pthreads attribute is a candidate stack pointer.
 	 It must point near the top or the bottom of this buffer, depending
 	 on whether stack grows downward or upward, and suitably aligned.
 	 On the x86, it grows down, so we set stackaddr near the top.  */
+      /* XXX: port logic */
       override_stack = (void *)
 	(((uintptr_t) override_stack + override_stacksize - alignment - perturb)
 	 & (~(uintptr_t)(alignment-1)));
@@ -504,6 +531,8 @@ WRAPPER(int, pthread_create, pthread_t *thr, const pthread_attr_t *attr,
     /* Fill in remaining fields in pthread_info. */
     pi->stack = override_stack;
     pi->stack_size = override_stacksize;
+    pi->stack_alloc = override_stack_alloc;
+    pi->stack_size_alloc = override_stacksize_alloc;
     /* XXX: this might be too late for future heuristics that attempt
        to use thread stack bounds.  We may need to put the new thread
        to sleep. */
@@ -563,11 +592,3 @@ WRAPPER(void, pthread_exit, void *rc)
   CALL_REAL (pthread_exit, rc);
   /* NOTREACHED */
 }
-
-
-
-
-
-
-
-#endif /* pthreadstuff */

libmudflap/mf-runtime.c

 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
-   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    Contributed by Frank Ch. Eigler <fche@redhat.com>
    and Graydon Hoare <graydon@redhat.com>
 
@@ -2244,7 +2244,8 @@ __mf_violation (void *ptr, size_t sz, uintptr_t pc,
       abort ();
       break;
     case viol_gdb:
-      snprintf (buf, 128, "gdb --pid=%d", getpid ());
+
+      snprintf (buf, 128, "gdb --pid=%u", (unsigned) getpid ());
       system (buf);
       /* XXX: should probably fork() && sleep(GDB_WAIT_PARAMETER)
       instead, and let the forked child execlp() gdb.  That way, this

libmudflap/testsuite/Makefile.am

@@ -9,10 +9,3 @@ EXPECT = `if [ -f ../../expect/expect ] ; then \
 RUNTEST = `if [ -f ${srcdir}/../../dejagnu/runtest ] ; then \
 	   echo ${srcdir}/../../dejagnu/runtest ; \
 	   else echo runtest ;  fi`
-
-all-local: site.exp
-if LIBMUDFLAPTH
-	echo 'set libmudflapth 1' >> site.exp
-else
-	echo 'set libmudflapth 0' >> site.exp
-endif

libmudflap/testsuite/Makefile.in

-# Makefile.in generated by automake 1.8.5 from Makefile.am.
+# Makefile.in generated by automake 1.7.8 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004  Free Software Foundation, Inc.
+# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -13,6 +13,7 @@
 # PARTICULAR PURPOSE.
 
 @SET_MAKE@
+
 srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 VPATH = @srcdir@
@@ -20,6 +21,7 @@ pkgdatadir = $(datadir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 top_builddir = ..
+
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 INSTALL = @INSTALL@
 install_sh_DATA = $(install_sh) -c -m 644
@@ -36,21 +38,6 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 target_triplet = @target@
-subdir = testsuite
-DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
-ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
-	$(top_srcdir)/configure.in
-am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
-	$(ACLOCAL_M4)
-mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
-CONFIG_HEADER = $(top_builddir)/config.h
-CONFIG_CLEAN_FILES =
-SOURCES =
-DIST_SOURCES =
-DEJATOOL = $(PACKAGE)
-RUNTESTDEFAULTFLAGS = --tool $$tool --srcdir $$srcdir
-DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 ACLOCAL = @ACLOCAL@
 AMDEP_FALSE = @AMDEP_FALSE@
 AMDEP_TRUE = @AMDEP_TRUE@
@@ -99,6 +86,7 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
 RANLIB = @RANLIB@
+SECTION_FLAGS = @SECTION_FLAGS@
 SET_MAKE = @SET_MAKE@
 SHELL = @SHELL@
 STRIP = @STRIP@
@@ -116,6 +104,7 @@ bindir = @bindir@
 build = @build@
 build_alias = @build_alias@
 build_cpu = @build_cpu@
+build_libmudflapth = @build_libmudflapth@
 build_os = @build_os@
 build_vendor = @build_vendor@
 datadir = @datadir@
@@ -136,7 +125,6 @@ libexecdir = @libexecdir@
 libtool_VERSION = @libtool_VERSION@
 localstatedir = @localstatedir@
 mandir = @mandir@
-mkdir_p = @mkdir_p@
 multi_basedir = @multi_basedir@
 oldincludedir = @oldincludedir@
 prefix = @prefix@
@@ -151,47 +139,35 @@ target_os = @target_os@
 target_vendor = @target_vendor@
 toolexecdir = @toolexecdir@
 toolexeclibdir = @toolexeclibdir@
+
 AUTOMAKE_OPTIONS = foreign dejagnu
+
 EXPECT = `if [ -f ../../expect/expect ] ; then \
 	  echo ../../expect/expect ; \
 	  else echo expect ; fi`
 
+
 RUNTEST = `if [ -f ${srcdir}/../../dejagnu/runtest ] ; then \
 	   echo ${srcdir}/../../dejagnu/runtest ; \
 	   else echo runtest ;  fi`
 
+subdir = testsuite
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = mfconfig.exp
+DIST_SOURCES =
+DIST_COMMON = $(srcdir)/Makefile.in Makefile.am mfconfig.exp.in
 all: all-am
 
 .SUFFIXES:
-$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
-	@for dep in $?; do \
-	  case '$(am__configure_deps)' in \
-	    *$$dep*) \
-	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-		&& exit 0; \
-	      exit 1;; \
-	  esac; \
-	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  testsuite/Makefile'; \
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am  $(top_srcdir)/configure.in $(ACLOCAL_M4)
 	cd $(top_srcdir) && \
 	  $(AUTOMAKE) --foreign  testsuite/Makefile
-.PRECIOUS: Makefile
-Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
-	@case '$?' in \
-	  *config.status*) \
-	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
-	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
-	esac;
-
-$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-
-$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
-$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
-	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+Makefile: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.in  $(top_builddir)/config.status
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)
+mfconfig.exp: $(top_builddir)/config.status mfconfig.exp.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
 
 mostlyclean-libtool:
 	-rm -f *.lo
@@ -208,6 +184,9 @@ TAGS:
 ctags: CTAGS
 CTAGS:
 
+RUNTESTFLAGS =
+DEJATOOL = $(PACKAGE)
+RUNTESTDEFAULTFLAGS = --tool $$tool --srcdir $$srcdir
 
 check-DEJAGNU: site.exp
 	srcdir=`$(am__cd) $(srcdir) && pwd`; export srcdir; \
@@ -244,6 +223,10 @@ distclean-DEJAGNU:
 	-l='$(DEJATOOL)'; for tool in $$l; do \
 	  rm -f $$tool.sum $$tool.log; \
 	done
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+
+top_distdir = ..
+distdir = $(top_distdir)/$(PACKAGE)-$(VERSION)
 
 distdir: $(DISTFILES)
 	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
@@ -257,7 +240,7 @@ distdir: $(DISTFILES)
 	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
 	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
 	    dir="/$$dir"; \
-	    $(mkdir_p) "$(distdir)$$dir"; \
+	    $(mkinstalldirs) "$(distdir)$$dir"; \
 	  else \
 	    dir=''; \
 	  fi; \
@@ -275,7 +258,8 @@ distdir: $(DISTFILES)
 check-am: all-am
 	$(MAKE) $(AM_MAKEFLAGS) check-DEJAGNU
 check: check-am
-all-am: Makefile all-local
+all-am: Makefile
+
 installdirs:
 install: install-am
 install-exec: install-exec-am
@@ -288,7 +272,7 @@ install-am: all-am
 installcheck: installcheck-am
 install-strip:
 	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
-	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  INSTALL_STRIP_FLAG=-s \
 	  `test -z '$(STRIP)' || \
 	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
 mostlyclean-generic:
@@ -314,8 +298,6 @@ dvi: dvi-am
 
 dvi-am:
 
-html: html-am
-
 info: info-am
 
 info-am:
@@ -348,21 +330,16 @@ ps-am:
 
 uninstall-am: uninstall-info-am
 
-.PHONY: all all-am all-local check check-DEJAGNU check-am clean \
-	clean-generic clean-libtool distclean distclean-DEJAGNU \
-	distclean-generic distclean-libtool distdir dvi dvi-am html \
-	html-am info info-am install install-am install-data \
-	install-data-am install-exec install-exec-am install-info \
-	install-info-am install-man install-strip installcheck \
-	installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-generic \
-	mostlyclean-libtool pdf pdf-am ps ps-am uninstall uninstall-am \
-	uninstall-info-am
-
-
-all-local: site.exp
-@LIBMUDFLAPTH_TRUE@	echo 'set libmudflapth 1' >> site.exp
-@LIBMUDFLAPTH_FALSE@	echo 'set libmudflapth 0' >> site.exp
+.PHONY: all all-am check check-DEJAGNU check-am clean clean-generic \
+	clean-libtool distclean distclean-DEJAGNU distclean-generic \
+	distclean-libtool distdir dvi dvi-am info info-am install \
+	install-am install-data install-data-am install-exec \
+	install-exec-am install-info install-info-am install-man \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	uninstall uninstall-am uninstall-info-am
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:

libmudflap/testsuite/config/default.exp

 load_lib standard.exp
 load_lib libmudflap.exp
+load_lib mfconfig.exp

libmudflap/testsuite/lib/libmudflap.exp

@@ -17,10 +17,10 @@
 # Define libmudflap callbacks for dg.exp.
 # This file is a copy of libstdc++-v3's dejagnu driver, with minor changes.
 
-
 load_lib mfdg.exp
 load_lib libgloss.exp
 
+
 proc libmudflap-init { language } {
     global srcdir
     global outdir
@@ -92,6 +92,10 @@ proc libmudflap-init { language } {
         }
     }
 
+    global mfconfig_libs
+    global add_flags
+    append add_flags " $mfconfig_libs"
+
     verbose -log "ld_library_path=$ld_library_path"
     setenv  LD_LIBRARY_PATH     $ld_library_path
     setenv  SHLIB_PATH          $ld_library_path
@@ -152,6 +156,9 @@ proc libmudflap-dg-test { prog do_what extra_tool_flags } {
 	lappend options "additional_flags=$extra_tool_flags"
     }
 
+    global mfconfig_libs
+    lappend options "libs=$mfconfig_libs"
+
     set comp_output [libmudflap_target_compile "$prog" "$output_file" "$compile_type" $options];
     set comp_output [prune_gcc_output $comp_output ];
 
@@ -244,14 +251,12 @@ proc libmudflap-list-sourcefiles { } {
 
 
 proc prune_gcc_output { text } {
-
     regsub -all {(^|\n)[^\n]*ld: warning: libgcc_s[^\n]*not found[^\n]*try using[^\n]*} $text "" text
-
     regsub -all {(^|\n)[^\n]*In function.*pthread_create[^\n]*} $text "" text
-
     regsub -all {(^|\n)[^\n]*the use of .pthread.*is deprecated[^\n]*} $text "" text
-
     regsub -all {(^|\n)[^\n]*Dwarf Error:.*FORM value: 14[^\n]*} $text "" text
+    regsub -all {(^|\n)[^\n]*In function[^\n]*} $text "" text
+    regsub -all {(^|\n)[^\n]*Using.*in statically linked applications requires[^\n]*} $text "" text
 
     return $text
 }

libmudflap/testsuite/libmudflap.c++/c++frags.exp

@@ -9,7 +9,7 @@ foreach flags [list {} {-static} {-O2} {-O3}] {
     foreach srcfile [lsort [glob -nocomplain ${srcdir}/libmudflap.c++/*.cxx]] {
 	set bsrc [file tail $srcfile]
 	setenv MUDFLAP_OPTIONS "-no-heur-proc-map -viol-segv"
-	dg-runtest $srcfile $flags "-fmudflap"
+	dg-runtest $srcfile $flags "-fmudflap -lmudflap"
     }
 }
 

libmudflap/testsuite/libmudflap.c/cfrags.exp

@@ -8,7 +8,7 @@ foreach flags [list {} {-static} {-O2} {-O3}] {
     foreach srcfile [lsort [glob -nocomplain ${srcdir}/libmudflap.c/*.c]] {
 	set bsrc [file tail $srcfile]
 	setenv MUDFLAP_OPTIONS "-viol-segv"
-	dg-runtest $srcfile $flags "-fmudflap"
+	dg-runtest $srcfile $flags "-fmudflap -lmudflap"
     }
 }
 

libmudflap/testsuite/libmudflap.c/pass46-frag.c

@@ -15,4 +15,4 @@ int main ()
  int m = boo [l % 2 + 12]; /* should not be instrumented */
  return m & strlen (""); /* a fancy way of saying "0" */
 }
-/* { dg-options "-fmudflap -fmudflapir -Wall" } */
+/* { dg-options "-fmudflap -fmudflapir -lmudflap -Wall" } */

libmudflap/testsuite/libmudflap.cth/cthfrags.exp

@@ -12,7 +12,7 @@ foreach flags [list {} {-static -DSTATIC} {-O2} {-O3}] {
 	    # --noinhibit-exec works around a ld problem that causes
 	    # "Dwarf Error: Invalid or unhandled FORM value: 14"
 	    # to fail builds unnecessarily.
-	    dg-runtest $srcfile $flags "-fmudflapth -Wl,--noinhibit-exec"
+	    dg-runtest $srcfile $flags "-fmudflapth -lmudflapth -lpthread -Wl,--noinhibit-exec"
 	} else {
 	    if {$flags != ""} {set f " ($flags)"} {set f ""}
             untested "libmudflap.cth/$bsrc$f"

libmudflap/testsuite/mfconfig.exp.in

+global mfconfig_libs
+set mfconfig_libs "@LIBS@"
+global libmudflapth
+set libmudflapth "@build_libmudflapth@"