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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-05-14 09:23:55 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-05-14 09:24:06 -0700 |
| commit | a15529fda8d132621328c3fe32997a3d9c55aef4 (patch) | |
| tree | d1f18df73a78ab291842b0f91f5f939627eafc48 | |
| parent | 98ee36c7a44e140e2a85a2c4306e06176fb9e395 (diff) | |
| download | glibc-a15529fda8d132621328c3fe32997a3d9c55aef4.tar.gz glibc-a15529fda8d132621328c3fe32997a3d9c55aef4.tar.xz glibc-a15529fda8d132621328c3fe32997a3d9c55aef4.zip | |
i386: Replace PREINIT_FUNCTION@PLT with *%eax in call
Since we have loaded address of PREINIT_FUNCTION into %eax, we can avoid extra branch to PLT slot. * sysdeps/i386/crti.S (_init): Replace PREINIT_FUNCTION@PLT with *%eax in call. Acked-by: Christian Brauner (Ubuntu) <christian@brauner.io>
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/i386/crti.S | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 1db9747b3a..46114b4187 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2018-05-14 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/i386/crti.S (_init): Replace PREINIT_FUNCTION@PLT + with *%eax in call. + +2018-05-14 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/i386/ldsodefs.h: Removed. * sysdeps/x86_64/ldsodefs.h: Moved to ... * sysdeps/x86/ldsodefs.h: This. diff --git a/sysdeps/i386/crti.S b/sysdeps/i386/crti.S index c0422f9ce3..065460b813 100644 --- a/sysdeps/i386/crti.S +++ b/sysdeps/i386/crti.S @@ -68,7 +68,7 @@ _init: movl PREINIT_FUNCTION@GOT(%ebx), %eax testl %eax, %eax je .Lno_weak_fn - call PREINIT_FUNCTION@PLT + call *%eax .Lno_weak_fn: #else call PREINIT_FUNCTION |