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| author | H.J. Lu <hjl.tools@gmail.com> | 2012-08-09 16:04:37 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-08-09 16:04:37 -0700 |
| commit | f85fa27058eb7d4b56b8deaf885064cf8d730f68 (patch) | |
| tree | f7e63a9691ff3c88f60506816e388e17bcfbeb89 /sysdeps/x86_64/multiarch/strstr-c.c | |
| parent | 6dcf80c78273c5e0bdcacaf64a9b34fd930b405f (diff) | |
| download | glibc-f85fa27058eb7d4b56b8deaf885064cf8d730f68.tar.gz glibc-f85fa27058eb7d4b56b8deaf885064cf8d730f68.tar.xz glibc-f85fa27058eb7d4b56b8deaf885064cf8d730f68.zip | |
Avoid DWARF definition DIE on ifunc symbols
Diffstat (limited to 'sysdeps/x86_64/multiarch/strstr-c.c')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strstr-c.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/sysdeps/x86_64/multiarch/strstr-c.c b/sysdeps/x86_64/multiarch/strstr-c.c index b8ed3161d5..795789e704 100644 --- a/sysdeps/x86_64/multiarch/strstr-c.c +++ b/sysdeps/x86_64/multiarch/strstr-c.c @@ -7,9 +7,20 @@ __hidden_ver1 (__strstr_sse2, __GI_strstr, __strstr_sse2); #endif +/* Redefine strstr so that the compiler won't complain about the type + mismatch with the IFUNC selector in strong_alias, below. */ +#undef strstr +#define strstr __redirect_strstr + #include "string/strstr.c" -extern char *__strstr_sse42 (const char *, const char *) attribute_hidden; -extern __typeof (__strstr_sse2) __strstr_sse2 attribute_hidden; +extern __typeof (__redirect_strstr) __strstr_sse42 attribute_hidden; +extern __typeof (__redirect_strstr) __strstr_sse2 attribute_hidden; + +/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle + ifunc symbol properly. */ +extern __typeof (__redirect_strstr) __libc_strstr; +libc_ifunc (__libc_strstr, HAS_SSE4_2 ? __strstr_sse42 : __strstr_sse2) -libc_ifunc (strstr, HAS_SSE4_2 ? __strstr_sse42 : __strstr_sse2); +#undef strstr +strong_alias (__libc_strstr, strstr) |