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r174843 - in /trunk: gcc/ChangeLog gcc/Makefile...

From: ro at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Thu, 09 Jun 2011 12:30:47 -0000
Subject: r174843 - in /trunk: gcc/ChangeLog gcc/Makefile...

Author: ro
Date: Thu Jun  9 12:30:46 2011
New Revision: 174843

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174843
Log:
2011-05-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Joseph Myers  <joseph@codesourcery.com>

	gcc:
	* config/alpha/netbsd.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/alpha/osf5.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/darwin.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/i386/mingw32.h (MINGW_ENABLE_EXECUTE_STACK): Remove.
	(ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	[IN_LIBGCC2]: Don't include <windows.h>.
	* config/i386/netbsd-elf.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/i386/netbsd64.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): Remove.
	* config/openbsd.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/sol2.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/sparc/freebsd.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/sparc/netbsd-elf.h (ENABLE_EXECUTE_STACK): Remove.
	(HAVE_ENABLE_EXECUTE_STACK): Define.
	* config/alpha/alpha.c (alpha_trampoline_init): Test
	HAVE_ENABLE_EXECUTE_STACK.
	* config/i386/i386.c (ix86_trampoline_init): Likewise.
	* config/sparc/sparc.c (sparc32_initialize_trampoline): Likewise.
	(sparc64_initialize_trampoline): Likewise.
	* libgcc2.c [L_enable_execute_stack]: Remove.
	* system.h (ENABLE_EXECUTE_STACK): Poison.
	* doc/tm.texi.in (Trampolines, ENABLE_EXECUTE_STACK): Remove.
	* doc/tm.texi: Regenerate.
	* Makefile.in (LIBGCC2_CFLAGS): Add -fbuilding-libgcc.

	gcc/c-family:
	* c.opt (fbuilding-libgcc): New option.
	* c-cppbuiltin.c (c_cpp_builtins): Define
	__LIBGCC_TRAMPOLINE_SIZE__ if flag_building_libgcc.

	libgcc:
	* enable-execute-stack-empty.c: New file.
	* enable-execute-stack-mprotect.c: New file.
	* config/i386/enable-execute-stack-mingw32.c: New file.
	* config.host (enable_execute_stack): New variable.
	Select appropriate variants.
	* configure.ac: Link enable-execute-stack.c to
	$enable_execute_stack.
	* configure: Regenerate.
	* Makefile.in (LIB2ADD): Add enable-execute-stack.c.
	(lib2funcs): Remove _enable_execute_stack.

Added:
    trunk/libgcc/config/i386/enable-execute-stack-mingw32.c
    trunk/libgcc/enable-execute-stack-empty.c
    trunk/libgcc/enable-execute-stack-mprotect.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/Makefile.in
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-cppbuiltin.c
    trunk/gcc/c-family/c.opt
    trunk/gcc/config/alpha/alpha.c
    trunk/gcc/config/alpha/netbsd.h
    trunk/gcc/config/alpha/osf5.h
    trunk/gcc/config/darwin.h
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/mingw32.h
    trunk/gcc/config/i386/netbsd-elf.h
    trunk/gcc/config/i386/netbsd64.h
    trunk/gcc/config/netbsd.h
    trunk/gcc/config/openbsd.h
    trunk/gcc/config/sol2.h
    trunk/gcc/config/sparc/freebsd.h
    trunk/gcc/config/sparc/netbsd-elf.h
    trunk/gcc/config/sparc/sparc.c
    trunk/gcc/doc/tm.texi
    trunk/gcc/doc/tm.texi.in
    trunk/gcc/libgcc2.c
    trunk/gcc/system.h
    trunk/libgcc/ChangeLog
    trunk/libgcc/Makefile.in
    trunk/libgcc/config.host
    trunk/libgcc/configure
    trunk/libgcc/configure.ac

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