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| author | Eric Botcazou <ebotcazou@act-europe.fr> | 2004-07-17 23:09:14 +0200 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2004-07-17 21:09:14 +0000 |
| commit | e7a742ec9624db7b29d824a7b9899b73554322e3 (patch) | |
| tree | adb37612658bd4d95ab4862b248c91a39335be16 /gcc/libgcc2.c | |
| parent | 6e34d3a39f0ce48e95a2853df4be8d01eb745850 (diff) | |
| download | gcc-e7a742ec9624db7b29d824a7b9899b73554322e3.tar.gz | |
libgcc2.c (__enable_execute_stack): New symbol.
* libgcc2.c (__enable_execute_stack): New symbol.
* libgcc-std.ver (GCC_3.4.2): New version. Inherit from GCC_3.4
and declare __enable_execute_stack.
* mklibgcc.in (lib2funcs): Add _enable_execute_stack.
* config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
* config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
ENABLE_EXECUTE_STACK.
* config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
* config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
ENABLE_EXECUTE_STACK.
* config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
* config/i386/i386.c (x86_initialize_trampoline): Conditionalize
on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
* config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
ENABLE_EXECUTE_STACK.
* config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
* config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
* config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
* config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
* config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
(sparc64_initialize_trampoline): Likewise.
* doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
From-SVN: r84880
Diffstat (limited to 'gcc/libgcc2.c')
| -rw-r--r-- | gcc/libgcc2.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index 8a953ea8b76..8a3529b1da3 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -1487,6 +1487,19 @@ __clear_cache (char *beg __attribute__((__unused__)), #endif /* L_clear_cache */ +#ifdef L_enable_execute_stack +/* Attempt to turn on execute permission for the stack. */ + +#ifdef ENABLE_EXECUTE_STACK + ENABLE_EXECUTE_STACK +#else +void +__enable_execute_stack (void *addr __attribute__((__unused__))) +{} +#endif /* ENABLE_EXECUTE_STACK */ + +#endif /* L_enable_execute_stack */ + #ifdef L_trampoline /* Jump to a trampoline, loading the static chain address. */ |