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Declare __ehdr_start with hidden visibility.

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This avoids a linker bug triggering for MIPS SVR4 binaries:

http://sourceware.org/bugzilla/show_bug.cgi?id=15365

and regardless serves as a documentation of intent.
This commit is contained in:
Maciej W. Rozycki
2013-04-25 16:09:19 +01:00
parent 93fd48c5f6
commit ae9552cf7b
2 changed files with 5 additions and 1 deletions
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ChangeLog
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@@ -1,5 +1,8 @@
2013-04-25 Maciej W. Rozycki <macro@codesourcery.com> 2013-04-25 Maciej W. Rozycki <macro@codesourcery.com>
* csu/libc-start.c (__libc_start_main) [!SHARED]: Declare
__ehdr_start with hidden visibility.
* soft-fp/op-common.h (_FP_SQRT): s/sNAN/NAN/ in a comment. * soft-fp/op-common.h (_FP_SQRT): s/sNAN/NAN/ in a comment.
2013-04-24 Carlos O'Donell <carlos@redhat.com> 2013-04-24 Carlos O'Donell <carlos@redhat.com>

3
csu/libc-start.c
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@@ -161,7 +161,8 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
So we can set up _dl_phdr and _dl_phnum even without any So we can set up _dl_phdr and _dl_phnum even without any
information from auxv. */ information from auxv. */
extern const ElfW(Ehdr) __ehdr_start __attribute__ ((weak)); extern const ElfW(Ehdr) __ehdr_start
__attribute__ ((weak, visibility ("hidden")));
if (&__ehdr_start != NULL) if (&__ehdr_start != NULL)
{ {
assert (__ehdr_start.e_phentsize == sizeof *GL(dl_phdr)); assert (__ehdr_start.e_phentsize == sizeof *GL(dl_phdr));