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| author | Richard Henderson <rth@twiddle.net> | 2014-05-23 16:03:28 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2014-05-23 21:33:05 -0700 |
| commit | 900e445fad9bf301a42c0d0008cce504ad94050e (patch) | |
| tree | 43c62ecb9a4b82947a1a0daa8c350ebd341d6049 | |
| parent | 8820e3acc3bb95b9b0921fe0c0711aae19f1da94 (diff) | |
| download | glibc-900e445fad9bf301a42c0d0008cce504ad94050e.tar.gz glibc-900e445fad9bf301a42c0d0008cce504ad94050e.tar.xz glibc-900e445fad9bf301a42c0d0008cce504ad94050e.zip | |
Only provide non-default symbols in libpthread for vfork
* nptl/pt-vfork.c (vfork_resolve): Rename from vfork_ifunc. (vfork, __vfork): Define via compat_symbol.
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | nptl/pt-vfork.c | 16 |
2 files changed, 12 insertions, 7 deletions
diff --git a/ChangeLog b/ChangeLog index 11b3521dd4..271e31d45d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2014-05-23 Richard Henderson <rth@twiddle.net> + * nptl/pt-vfork.c (vfork_resolve): Rename from vfork_ifunc. + (vfork, __vfork): Define via compat_symbol. + * nptl/pt-vfork.c: Error if !HAVE_IFUNC. [!HAVE_IFUNC] (vfork_compat): Remove. [!HAVE_IFUNC] (DEFINE_VFORK): Remove. diff --git a/nptl/pt-vfork.c b/nptl/pt-vfork.c index eaffe48f53..f3858c2648 100644 --- a/nptl/pt-vfork.c +++ b/nptl/pt-vfork.c @@ -46,30 +46,32 @@ extern __typeof (vfork) __libc_vfork; /* Defined in libc. */ -attribute_hidden __attribute__ ((used)) -__typeof (vfork) * -vfork_ifunc (void) +static __typeof (vfork) * +__attribute__ ((used)) +vfork_resolve (void) { return &__libc_vfork; } # ifdef HAVE_ASM_SET_DIRECTIVE # define DEFINE_VFORK(name) \ - asm (".set " #name ", vfork_ifunc\n" \ + asm (".set " #name ", vfork_resolve\n" \ ".globl " #name "\n" \ ".type " #name ", %gnu_indirect_function"); # else # define DEFINE_VFORK(name) \ - asm (#name " = vfork_ifunc\n" \ + asm (#name " = vfork_resolve\n" \ ".globl " #name "\n" \ ".type " #name ", %gnu_indirect_function"); # endif #endif #if SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_20) -DEFINE_VFORK (vfork) +DEFINE_VFORK (vfork_ifunc) +compat_symbol (libpthread, vfork_ifunc, vfork, GLIBC_2_0); #endif #if SHLIB_COMPAT (libpthread, GLIBC_2_1_2, GLIBC_2_20) -DEFINE_VFORK (__vfork) +DEFINE_VFORK (__vfork_ifunc) +compat_symbol (libpthread, __vfork_ifunc, __vfork, GLIBC_2_1_2); #endif |