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| author | Ulrich Drepper <drepper@redhat.com> | 2009-03-13 23:53:18 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-03-13 23:53:18 +0000 |
| commit | 425ce2edb9d11cc1ff650fac16dfbc450241896a (patch) | |
| tree | b3bd9971ea82766a895ab549ff194d97bcc9d51e /include/libc-symbols.h | |
| parent | e7f110cdbd6e9c5a48b378ba7b30a3ad1dc04314 (diff) | |
| download | glibc-425ce2edb9d11cc1ff650fac16dfbc450241896a.tar.gz glibc-425ce2edb9d11cc1ff650fac16dfbc450241896a.tar.xz glibc-425ce2edb9d11cc1ff650fac16dfbc450241896a.zip | |
* config.h.in (USE_MULTIARCH): Define.
* configure.in: Handle --enable-multi-arch. * elf/dl-runtime.c (_dl_fixup): Handle STT_GNU_IFUNC. (_dl_fixup_profile): Likewise. * elf/do-lookup.c (dl_lookup_x): Likewise. * sysdeps/x86_64/dl-machine.h: Handle STT_GNU_IFUNC. * elf/elf.h (STT_GNU_IFUNC): Define. * include/libc-symbols.h (libc_ifunc): Define. * sysdeps/x86_64/cacheinfo.c: If USE_MULTIARCH is defined, use the framework in init-arch.h to get CPUID values. * sysdeps/x86_64/multiarch/Makefile: New file. * sysdeps/x86_64/multiarch/init-arch.c: New file. * sysdeps/x86_64/multiarch/init-arch.h: New file. * sysdeps/x86_64/multiarch/sched_cpucount.c: New file. * config.make.in (experimental-malloc): Define. * configure.in: Handle --enable-experimental-malloc. * malloc/Makefile: Handle experimental-malloc flag. * malloc/malloc.c: Implement PER_THREAD and ATOMIC_FASTBINS features. * malloc/arena.c: Likewise. * malloc/hooks.c: Likewise. * malloc/malloc.h: Define M_ARENA_TEST and M_ARENA_MAX.
Diffstat (limited to 'include/libc-symbols.h')
| -rw-r--r-- | include/libc-symbols.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index a2faeafb32..d53bcb9b77 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -1,7 +1,6 @@ /* Support macros for making weak and strong aliases for symbols, and for using symbol sets and linker warnings with GNU ld. - Copyright (C) 1995-1998,2000-2003,2004,2005,2006 - Free Software Foundation, Inc. + Copyright (C) 1995-1998, 2000-2006, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -835,4 +834,15 @@ for linking") # define compat_data_section .section ".data.compat", "aw"; #endif +/* Marker used for indirection function symbols. */ +#define libc_ifunc(name, expr) \ + extern void *name##_ifunc (void) __asm__ (#name); \ + void *name##_ifunc (void) \ + { \ + INIT_ARCH (); \ + __typeof (name) *res = expr; \ + return res; \ + } \ + __asm__ (".type " #name ", %gnu_indirect_function"); + #endif /* libc-symbols.h */ |