From 9967e003b32d20441892386f1092d1aded51e1aa Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 12 Mar 2013 12:47:36 -0700 Subject: Add sysdeps/init_array to produce empty crt[in].o and use .preinit_array for gcrt1.o --- csu/elf-init.c | 7 +++++++ csu/gmon-start.c | 7 +++++++ 2 files changed, 14 insertions(+) (limited to 'csu') 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) -- cgit v1.2.1