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csu: Update __libgcc_s_init comment

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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Florian Weimer 2018-01-11 13:13:28 +01:00
parent d8b778907e
commit 08c6e95234
2 changed files with 11 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2018-01-11 Florian Weimer <fweimer@redhat.com>
* sysdeps/gnu/unwind-resume.c (__libgcc_s_init): Update comment
and error message.
2018-01-11 Florian Weimer <fweimer@redhat.com>
[BZ #22636]

8
sysdeps/gnu/unwind-resume.c
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@ -35,13 +35,17 @@ __libgcc_s_init (void)
void *resume, *personality;
void *handle;
handle = __libc_dlopen (LIBGCC_S_SO);
/* Use RTLD_NOW here for consistency with pthread_cancel_init.
RTLD_NOW will rarely make a difference here because unwinding is
already in progress, so libgcc_s.so has already been loaded if
its unwinder is used. */
handle = __libc_dlopen_mode (LIBGCC_S_SO, RTLD_NOW | __RTLD_DLOPEN);
if (handle == NULL
|| (resume = __libc_dlsym (handle, "_Unwind_Resume")) == NULL
|| (personality = __libc_dlsym (handle, "__gcc_personality_v0")) == NULL)
__libc_fatal (LIBGCC_S_SO
" must be installed for pthread_cancel to work\n");
" must be installed for unwinding to work\n");
#ifdef PTR_MANGLE
PTR_MANGLE (resume);