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riscv-gcc-1
Commit 2aa35c63 by Michael Meissner
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Add static constructor/destructor support to Windows NT 

From-SVN: r11524
parent 5bfaaeda
Showing with 217 additions and 36 deletions
gcc/config/rs6000/cygwin32.h
......@@ -50,15 +50,16 @@ Boston, MA 02111-1307, USA. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!:crt0%O%s}"
#define STARTFILE_SPEC "crti%O%s %{!:crt0%O%s}"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtn%O%s"
#define PTRDIFF_TYPE "int"
#define WCHAR_UNSIGNED 1
#define WCHAR_TYPE_SIZE 16
#define WCHAR_TYPE "short unsigned int"
/* XXX set up stack probing */
#define DBX_DEBUGGING_INFO
#undef SDB_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
gcc/config/rs6000/nt-ci.asm 0 → 100644
# crti.s for Windows NT
# Copyright (C) 1996 Free Software Foundation, Inc.
# Written By Michael Meissner
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# In addition to the permissions in the GNU General Public License, the
# Free Software Foundation gives you unlimited permission to link the
# compiled version of this file with other programs, and to distribute
# those programs without any restriction coming from the use of this
# file. (The General Public License restrictions do apply in other
# respects; for example, they cover modification of the file, and
# distribution when not linked into another program.)
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# As a special exception, if you link this library with files
# compiled with GCC to produce an executable, this does not cause
# the resulting executable to be covered by the GNU General Public License.
# This exception does not however invalidate any other reasons why
# the executable file might be covered by the GNU General Public License.
#
# This file just supplies labeled starting points for the static constructors
# and destructors. It is linked in first before other modules.
.file "crti.s"
.ident "GNU C crti.s"
.section .ctors,"w"
.globl __CTOR_LIST__
__CTOR_LIST__:
.section .dtors,"w"
.globl __DTOR_LIST__
__DTOR_LIST__:
gcc/config/rs6000/nt-cn.asm 0 → 100644
# crtn.s for Windows NT
# Copyright (C) 1996 Free Software Foundation, Inc.
# Written By Michael Meissner
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# In addition to the permissions in the GNU General Public License, the
# Free Software Foundation gives you unlimited permission to link the
# compiled version of this file with other programs, and to distribute
# those programs without any restriction coming from the use of this
# file. (The General Public License restrictions do apply in other
# respects; for example, they cover modification of the file, and
# distribution when not linked into another program.)
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# As a special exception, if you link this library with files
# compiled with GCC to produce an executable, this does not cause
# the resulting executable to be covered by the GNU General Public License.
# This exception does not however invalidate any other reasons why
# the executable file might be covered by the GNU General Public License.
#
# This file just supplies labeled ending points for the static constructors
# and destructors. It is linked in last after other modules.
.file "crtn.s"
.ident "GNU C crtn.s"
.section .ctors,"w"
.globl __CTOR_END__
__CTOR_END__:
.section .dtors,"w"
.globl __DTOR_END__
__DTOR_END__:
gcc/config/rs6000/t-winnt
# Do not build libgcc1.
LIBGCC1 =
LIBGCC = stmp-crt
INSTALL_LIBGCC = install-crt
CROSS_LIBGCC1 =
EXTRA_HEADERS = $(srcdir)/ginclude/ppc-asm.h
# At present, we don't have a cross linker, so turn this off
LIBGCC1_TEST =
# These are really part of libgcc1, but this will cause them to be
# built correctly, so... [taken from t-sparclite]
LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c ntstack.s
LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c ntstack.S
dp-bit.c: $(srcdir)/config/fp-bit.c
cat $(srcdir)/config/fp-bit.c > dp-bit.c
......@@ -18,5 +16,41 @@ fp-bit.c: $(srcdir)/config/fp-bit.c
echo '#define FLOAT' > fp-bit.c
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
ntstack.s: $(srcdir)/config/rs6000/ntstack.asm
cat $(srcdir)/config/rs6000/ntstack.asm > ntstack.s
ntstack.S: $(srcdir)/config/rs6000/ntstack.asm
cat $(srcdir)/config/rs6000/ntstack.asm > ntstack.S
# For NT we build crti.o and crtn.o which serve to add begin and
# end labels for the static constructors and destructors.
# Assemble startup files.
crti.s: $(srcdir)/config/rs6000/nt-ci.asm
cat $(srcdir)/config/rs6000/nt-ci.asm >crti.s
crtn.s: $(srcdir)/config/rs6000/nt-cn.asm
cat $(srcdir)/config/rs6000/nt-cn.asm >crtn.s
# Build multiple copies of crt{i,n}.o, one for each target switch.
stmp-crt: crti.s crtn.s $(GCC_PASSES) stmp-multilib config.status
for i in `$(GCC_FOR_TARGET) --print-multi-lib`; do \
dir=`echo $$i | sed -e 's/;.*$$//'`; \
flags=`echo $$i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
$(MAKE) GCC_FOR_TARGET="$(GCC_FOR_TARGET)" \
LIBGCC2_CFLAGS="$(LIBGCC2_CFLAGS) $${flags}" \
dir="$${dir}" stmp-crt-sub; \
if [ $$? -eq 0 ] ; then true; else exit 1; fi; \
done
touch stmp-crt
# Subroutine of stmp-crt so make -n works.
stmp-crt-sub:
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(dir)/crti.o crti.s
$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -c -o $(dir)/crtn.o crtn.s
# Install multiple versions of crt[in].o
install-crt: stmp-crt install-dir install-multilib
for i in `$(GCC_FOR_TARGET) --print-multi-lib`; do \
dir=`echo $$i | sed -e 's/;.*$$//'`; \
rm -f $(libsubdir)/$${dir}/crt[in].o; \
$(INSTALL_DATA) $${dir}/crti.o $(libsubdir)/$${dir}/crti.o; \
$(INSTALL_DATA) $${dir}/crtn.o $(libsubdir)/$${dir}/crtn.o; \
done
gcc/config/rs6000/win-nt.h
......@@ -128,32 +128,6 @@ Boston, MA 02111-1307, USA. */
output_file_directive (FILE, main_input_filename); \
}
/* Define the extra sections we need. We define three: one is the read-only
data section which is used for constants. This is a csect whose name is
derived from the name of the input file. The second is for initialized
global variables. This is a csect whose name is that of the variable.
The third is the TOC. */
#undef SELECT_SECTION
#undef READONLY_DATA_SECTION
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS toc
/* Define the routines to implement these extra sections. */
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
\
void \
toc_section () \
{ \
}
#undef SELECT_RTX_SECTION
#undef ASM_DECLARE_FUNCTION_NAME
/* This says how to output an assembler line
to define a global common symbol. */
......@@ -250,6 +224,7 @@ do { \
}
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \
{ \
if (TREE_PUBLIC (DECL)) \
......@@ -339,6 +314,81 @@ do { \
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section .bss"
/* Define the extra sections we need. We define a dummy TOC section,
plus sections to hold the list of static constructors (.ctors) and
destructors (.dtors). */
#undef READONLY_DATA_SECTION
#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_toc, in_ctors, in_dtors
/* Define the routines to implement these extra sections. */
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
CTORS_SECTION_FUNCTION \
DTORS_SECTION_FUNCTION \
TOC_SECTION_FUNCTION \
#define TOC_SECTION_FUNCTION \
void \
toc_section () \
{ \
}
#define CTORS_SECTION_ASM_OP ".section\t.ctors"
#define CTORS_SECTION_FUNCTION \
void \
ctors_section () \
{ \
if (in_section != in_ctors) \
{ \
fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
in_section = in_ctors; \
} \
}
#define DTORS_SECTION_ASM_OP ".section\t.dtors"
#define DTORS_SECTION_FUNCTION \
void \
dtors_section () \
{ \
if (in_section != in_dtors) \
{ \
fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
in_section = in_dtors; \
} \
}
#undef SELECT_SECTION
#undef SELECT_RTX_SECTION
/* Make sure __main gets called */
#define INVOKE__main 1
/* A C statement (sans semicolon) to output an element in the table of
global constructors. */
#undef ASM_OUTPUT_CONSTRUCTOR
#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
do { \
ctors_section (); \
fprintf (FILE, "\t.ualong "); \
assemble_name (FILE, NAME); \
fprintf (FILE, "\n"); \
} while (0)
/* A C statement (sans semicolon) to output an element in the table of
global destructors. */
#undef ASM_OUTPUT_DESTRUCTOR
#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
do { \
dtors_section (); \
fprintf (FILE, "\t.ualong "); \
assemble_name (FILE, NAME); \
fprintf (FILE, "\n"); \
} while (0)
/* Text to write out after a CALL that may be replaced by glue code by
the loader. The motorola asm demands that, for dll support, a .znop
be issued after a bl instruction, and the symbol on the .znop is the
......
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