darwin.h (ENDFILE_SPEC): New.

gcc:

	*  config/darwin.h (ENDFILE_SPEC): New.
	(DARWIN_CRT1_SPEC): Add crttms.o.
	(STARTFILE_SPEC): Likewise for dynamic libs and bundles.
	* config/i386.h (ENDFILE_SPEC): Amend to include crttme.o.

libgcc:

	* config/darwin-crt-tm.c: New file.
	* config.host (darwin): Build crttms.o crttme.o to provide
	startup and shutdown for tm clones.
	* config/t-darwin (crttms.o): New build rule.
	(crttme.o): Likewise.

From-SVN: r181616
This commit is contained in:
Iain Sandoe 2011-11-22 13:51:07 +00:00
parent 018076e705
commit e2362f5de0
7 changed files with 113 additions and 9 deletions

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@ -1,3 +1,10 @@
2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
* config/darwin.h (ENDFILE_SPEC): New.
(DARWIN_CRT1_SPEC): Add crttms.o.
(STARTFILE_SPEC): Likewise for dynamic libs and bundles.
* config/i386.h (ENDFILE_SPEC): Amend to include crttme.o.
2011-11-22 Michael Matz <matz@suse.de>
PR c++/51264

View File

@ -359,8 +359,8 @@ extern GTY(()) int darwin_ms_struct;
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{Zdynamiclib: %(darwin_dylib1) } \
%{!Zdynamiclib:%{Zbundle:%{!static:-lbundle1.o}} \
"%{Zdynamiclib: %(darwin_dylib1) %{fgnu-tm: -lcrttms.o}} \
%{!Zdynamiclib:%{Zbundle:%{!static:-lbundle1.o %{fgnu-tm: -lcrttms.o}}} \
%{!Zbundle:%{pg:%{static:-lgcrt0.o} \
%{!static:%{object:-lgcrt0.o} \
%{!object:%{preload:-lgcrt0.o} \
@ -372,10 +372,8 @@ extern GTY(()) int darwin_ms_struct;
%(darwin_crt2)}}}}}} \
%{shared-libgcc:%:version-compare(< 10.5 mmacosx-version-min= crt3.o%s)}"
/* The native Darwin linker doesn't necessarily place files in the order
that they're specified on the link line. Thus, it is pointless
to put anything in ENDFILE_SPEC. */
/* #define ENDFILE_SPEC "" */
/* We want a destructor last in the list. */
#define ENDFILE_SPEC "%{fgnu-tm: -lcrttme.o}"
#define DARWIN_EXTRA_SPECS \
{ "darwin_crt1", DARWIN_CRT1_SPEC }, \
@ -388,7 +386,8 @@ extern GTY(()) int darwin_ms_struct;
#define DARWIN_CRT1_SPEC \
"%:version-compare(!> 10.5 mmacosx-version-min= -lcrt1.o) \
%:version-compare(>= 10.5 mmacosx-version-min= -lcrt1.10.5.o)"
%:version-compare(>= 10.5 mmacosx-version-min= -lcrt1.10.5.o) \
%{fgnu-tm: -lcrttms.o}"
/* Default Darwin ASM_SPEC, very simple. */
#define ASM_SPEC "-arch %(darwin_arch) \

View File

@ -132,7 +132,8 @@ extern int darwin_emit_branch_islands;
"%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
%{mpc32:crtprec32.o%s} \
%{mpc64:crtprec64.o%s} \
%{mpc80:crtprec80.o%s}"
%{mpc80:crtprec80.o%s} \
%{fgnu-tm: -lcrttme.o}"
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \

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@ -1,3 +1,11 @@
2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
* config/darwin-crt-tm.c: New file.
* config.host (darwin): Build crttms.o crttme.o to provide
startup and shutdown for tm clones.
* config/t-darwin (crttms.o): New build rule.
(crttme.o): Likewise.
2011-11-21 Hans-Peter Nilsson <hp@axis.com>
* Makefile.in ($(srcdir)/emutls.c): Explain why it's in LIB2ADDEH

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@ -170,7 +170,7 @@ case ${host} in
*-*-darwin*)
asm_hidden_op=.private_extern
tmake_file="$tmake_file t-darwin ${cpu_type}/t-darwin t-libgcc-pic t-slibgcc-darwin"
extra_parts=crt3.o
extra_parts="crt3.o crttms.o crttme.o"
;;
*-*-freebsd*)
# This is the generic ELF configuration of FreeBSD. Later

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@ -0,0 +1,83 @@
/* Provide the runtime intrastructure the transactional memory lib.
Copyright (C) 2011 Free Software Foundation, Inc.
Contributed by Iain Sandoe <iains@gcc.gnu.org>
This file is part of GCC.
GCC 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 3, or (at your option)
any later version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include <mach-o/dyld.h>
/* not listed in mach-o/dyld.h for some reason. */
extern char * getsectdata (const char*,const char*,unsigned long*);
#define WEAK __attribute__((weak))
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__((unused))
#endif
extern void _ITM_registerTMCloneTable (void *, size_t) WEAK;
extern void _ITM_deregisterTMCloneTable (void *) WEAK;
#ifdef START
void __doTMRegistrations (void) __attribute__ ((constructor));
void __doTMRegistrations (void)
{
char * tm_clone_table_sect_data;
unsigned long tmct_siz;
tm_clone_table_sect_data = getsectdata ("__DATA",
"__tm_clone_table",
&tmct_siz);
tmct_siz /= (sizeof (size_t) * 2);
if (_ITM_registerTMCloneTable != NULL
&& tm_clone_table_sect_data != NULL
&& tmct_siz > 0)
_ITM_registerTMCloneTable (tm_clone_table_sect_data, (size_t)tmct_siz);
}
#endif
#ifdef END
void __doTMdeRegistrations (void) __attribute__ ((destructor));
void __doTMdeRegistrations (void)
{
char * tm_clone_table_sect_data;
unsigned long tmct_siz;
tm_clone_table_sect_data = getsectdata ("__DATA",
"__tm_clone_table",
&tmct_siz);
if (_ITM_deregisterTMCloneTable != NULL
&& tm_clone_table_sect_data != NULL
&& tmct_siz > 0)
_ITM_deregisterTMCloneTable (tm_clone_table_sect_data);
}
/* Provide dumy funcs for the weak ones - needed on most Darwin versions
for now. */
void _ITM_registerTMCloneTable (void *n ATTRIBUTE_UNUSED, size_t s ATTRIBUTE_UNUSED)
{}
void _ITM_deregisterTMCloneTable (void *n ATTRIBUTE_UNUSED)
{}
#endif

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@ -3,6 +3,12 @@ crt3.o: $(srcdir)/config/darwin-crt3.c
$(crt_compile) \
-fno-tree-dominator-opts $(DARWIN_EXTRA_CRT_BUILD_CFLAGS) -c $<
crttms.o: $(srcdir)/config/darwin-crt-tm.c
$(crt_compile) $(DARWIN_EXTRA_CRT_BUILD_CFLAGS) -DSTART -c $<
crttme.o: $(srcdir)/config/darwin-crt-tm.c
$(crt_compile) $(DARWIN_EXTRA_CRT_BUILD_CFLAGS) -DEND -c $<
# -pipe because there's an assembler bug, 4077127, which causes
# it to not properly process the first # directive, causing temporary
# file names to appear in stabs, causing the bootstrap to fail. Using -pipe