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| author | Ulrich Drepper <drepper@redhat.com> | 2003-04-15 22:46:40 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-04-15 22:46:40 +0000 |
| commit | 162434a68226eb9a81fe92979fb59c8081aefcc0 (patch) | |
| tree | cb2d459833468ea3e841def74ce2f3a5429df765 /sysdeps/generic/libc-start.c | |
| parent | 482eb33c43d5a281625ce440c869a306e46fb367 (diff) | |
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Update.
2003-04-15 Ulrich Drepper <drepper@redhat.com>
* elf/elf.h: Define AT_SYSINFO_EH_FRAME.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Handle
AT_SYSINFO_EH_FRAME.
(_dl_show_auxv):Display AT_SYSINFO_EH_FRAME value.
* sysdeps/generic/ldsodefs.h [NEED_DL_SYSINFO] (struct rtld_global):
Add _dl_sysinfo_eh_frame field.
* elf/dl-support.c [NEED_DL_SYSINFO]: Define _dl_sysinfo_eh_frame.
* sysdeps/generic/libc-start.c [NEED_DL_SYSINFO] Define eh_obj
variable.
[NEED_DL_SYSINFO] (LIBC_START_MAIN): Call __register_frame_info_bases
if _dl_sysinfo_eh_frame is non-NULL.
* Makeconfig (gnulib): Add -lgcc_eh.
* config.h.in: Define HAVE_FORCED_UNWIND.
Diffstat (limited to 'sysdeps/generic/libc-start.c')
| -rw-r--r-- | sysdeps/generic/libc-start.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/generic/libc-start.c b/sysdeps/generic/libc-start.c index b98f0a2aa0..318d070f4b 100644 --- a/sysdeps/generic/libc-start.c +++ b/sysdeps/generic/libc-start.c @@ -28,6 +28,11 @@ extern void __libc_init_first (int argc, char **argv, char **envp); extern int __libc_multiple_libcs; extern void *__libc_stack_end; +#ifdef NEED_DL_SYSINFO +# include "unwind-dw2-fde.h" +static struct object eh_obj; +#endif + #include <tls.h> #ifndef SHARED # include <dl-osinfo.h> @@ -150,6 +155,13 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL), __libc_check_standard_fds (); #endif +#ifdef NEED_DL_SYSINFO + /* Register the kernel's unwind table. */ + if (GL(dl_sysinfo_eh_frame) != 0) + INTUSE(__register_frame_info_bases) ((void *) GL(dl_sysinfo_eh_frame), + &eh_obj, 0, 0); +#endif + /* Register the destructor of the dynamic linker if there is any. */ if (__builtin_expect (rtld_fini != NULL, 1)) __cxa_atexit ((void (*) (void *)) rtld_fini, NULL, NULL); |