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

4 files changed, 98 insertions, 1 deletions

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index b1ad478..305e8ad 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -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
diff --git a/libgcc/config.host b/libgcc/config.host
index caf5cbc..447c41c 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -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
diff --git a/libgcc/config/darwin-crt-tm.c b/libgcc/config/darwin-crt-tm.c
new file mode 100644
index 0000000..cfb6614
--- /dev/null
+++ b/libgcc/config/darwin-crt-tm.c
@@ -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
diff --git a/libgcc/config/t-darwin b/libgcc/config/t-darwin
index e32127e..3365f01 100644
--- a/libgcc/config/t-darwin
+++ b/libgcc/config/t-darwin
@@ -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