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| author | Roland McGrath <roland@hack.frob.com> | 2013-03-12 12:47:36 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2013-03-12 12:50:13 -0700 |
| commit | 9967e003b32d20441892386f1092d1aded51e1aa (patch) | |
| tree | a39f6ef0310b7b112c568abb0653512e59d2dfed /csu | |
| parent | e6b5a29364551637c6f43e6c41b06cd8dd3a129b (diff) | |
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Add sysdeps/init_array to produce empty crt[in].o and use .preinit_array for gcrt1.o
Diffstat (limited to 'csu')
| -rw-r--r-- | csu/elf-init.c | 7 | ||||
| -rw-r--r-- | csu/gmon-start.c | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/csu/elf-init.c b/csu/elf-init.c index 1e231c1a08..84700e6fff 100644 --- a/csu/elf-init.c +++ b/csu/elf-init.c @@ -49,10 +49,13 @@ extern void (*__fini_array_start []) (void) attribute_hidden; extern void (*__fini_array_end []) (void) attribute_hidden; +#ifndef NO_INITFINI /* These function symbols are provided for the .init/.fini section entry points automagically by the linker. */ extern void _init (void); extern void _fini (void); +#endif + /* These functions are passed to __libc_start_main by the startup code. These get statically linked into each program. For dynamically linked @@ -76,7 +79,9 @@ __libc_csu_init (int argc, char **argv, char **envp) } #endif +#ifndef NO_INITFINI _init (); +#endif const size_t size = __init_array_end - __init_array_start; for (size_t i = 0; i < size; i++) @@ -94,6 +99,8 @@ __libc_csu_fini (void) while (i-- > 0) (*__fini_array_start [i]) (); +# ifndef NO_INITFINI _fini (); +# endif #endif } diff --git a/csu/gmon-start.c b/csu/gmon-start.c index 54495eb493..0c18321095 100644 --- a/csu/gmon-start.c +++ b/csu/gmon-start.c @@ -59,10 +59,17 @@ extern char etext[]; # endif #endif +#ifdef GMON_START_ARRAY_SECTION +static void __gmon_start__ (void); +static void (*const gmon_start_initializer) (void) + __attribute__ ((used, section (GMON_START_ARRAY_SECTION))) = &__gmon_start__; +static +#else /* We cannot use the normal constructor mechanism to call __gmon_start__ because gcrt1.o appears before crtbegin.o in the link. Instead crti.o calls it specially. */ extern void __gmon_start__ (void); +#endif void __gmon_start__ (void) |