diff options
| author | ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-09 12:30:46 +0000 |
|---|---|---|
| committer | ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-06-09 12:30:46 +0000 |
| commit | a6f0616915578a047b2f21ff19f64c2631fc799a (patch) | |
| tree | d044985af6a76f58c9fe909ce81f475be183312a /gcc/c-family/c-cppbuiltin.c | |
| parent | c9dc79a6d057cc5fddfbc18d374da9761cd3a5c2 (diff) | |
| download | gcc-a6f0616915578a047b2f21ff19f64c2631fc799a.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174843 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-family/c-cppbuiltin.c')
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c index 576074c7a0d..bc75e02d28a 100644 --- a/gcc/c-family/c-cppbuiltin.c +++ b/gcc/c-family/c-cppbuiltin.c @@ -1,5 +1,5 @@ /* Define builtin-in macros for the C family front ends. - Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 + Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. This file is part of GCC. @@ -727,6 +727,12 @@ c_cpp_builtins (cpp_reader *pfile) builtin_define_fixed_point_constants ("UTA", "", uta_type_node); } + /* For libgcc-internal use only. */ + if (flag_building_libgcc) + /* For libgcc enable-execute-stack.c. */ + builtin_define_with_int_value ("__LIBGCC_TRAMPOLINE_SIZE__", + TRAMPOLINE_SIZE); + /* For use in assembly language. */ builtin_define_with_value ("__REGISTER_PREFIX__", REGISTER_PREFIX, 0); builtin_define_with_value ("__USER_LABEL_PREFIX__", user_label_prefix, 0); |