forked from pool/glibc
Accepting request 87299 from home:a_jaeger:branches:openSUSE:Factory
Fix tracing with ifuncs, e.g. ldd -u -r some-lib OBS-URL: https://build.opensuse.org/request/show/87299 OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=116
This commit is contained in:
Cristian Rodríguez
Git OBS Bridge
parent
efdb495827
commit
47f2d8e46f
716
glibc-2.15-ifunc-trace.patch
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716
glibc-2.15-ifunc-trace.patch
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@ -0,0 +1,716 @@
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commit 3a62d00d408e9ec19479b6c7d39e89021061f9cd
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Author: Andreas Schwab <schwab@redhat.com>
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Date: Tue Oct 4 16:10:16 2011 +0200
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Don't call ifunc functions in trace mode
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2011-10-04 Andreas Schwab <schwab@redhat.com>
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* include/dlfcn.h (__RTLD_NOIFUNC): Define.
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* elf/do-rel.h (elf_dynamic_do_rel): Add parameter skip_ifunc and
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pass it down.
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* elf/dynamic-link.h: Adjust prototypes of elf_machine_rel,
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elf_machine_rela, elf_machine_lazy_rel.
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(_ELF_DYNAMIC_DO_RELOC): Add parameter skip_ifunc and pass it down.
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(ELF_DYNAMIC_DO_REL): Likewise.
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(ELF_DYNAMIC_DO_RELA): Likewise.
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(ELF_DYNAMIC_RELOCATE): Likewise.
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* elf/dl-reloc.c (_dl_relocate_object): Pass __RTLD_NOIFUNC down
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to ELF_DYNAMIC_DO_REL.
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* elf/rtld.c (_dl_start): Adjust use of ELF_DYNAMIC_RELOCATE.
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(dl_main): In trace mode always set __RTLD_NOIFUNC.
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* elf/dl-conflict.c (_dl_resolve_conflicts): Adjust call to
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elf_machine_rela.
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* sysdeps/i386/dl-machine.h (elf_machine_rel): Add parameter
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skip_ifunc, don't call ifunc function if non-zero.
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(elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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(elf_machine_lazy_rela): Likewise.
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* sysdeps/ia64/dl-machine.h (elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela):
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Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela):
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Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/sh/dl-machine.h (elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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* sysdeps/x86_64/dl-machine.h (elf_machine_rela): Likewise.
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(elf_machine_lazy_rel): Likewise.
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Index: glibc-2.14/elf/dl-conflict.c
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===================================================================
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--- glibc-2.14.orig/elf/dl-conflict.c
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+++ glibc-2.14/elf/dl-conflict.c
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@@ -1,5 +1,5 @@
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/* Resolve conflicts against already prelinked libraries.
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- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2008 Free Software Foundation, Inc.
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+ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2008, 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
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@@ -69,7 +69,8 @@ _dl_resolve_conflicts (struct link_map *
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GL(dl_num_cache_relocations) += conflictend - conflict;
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for (; conflict < conflictend; ++conflict)
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- elf_machine_rela (l, conflict, NULL, NULL, (void *) conflict->r_offset);
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+ elf_machine_rela (l, conflict, NULL, NULL, (void *) conflict->r_offset,
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+ 0);
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}
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#endif
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}
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Index: glibc-2.14/elf/dl-reloc.c
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===================================================================
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--- glibc-2.14.orig/elf/dl-reloc.c
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+++ glibc-2.14/elf/dl-reloc.c
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@@ -162,6 +162,7 @@ _dl_relocate_object (struct link_map *l,
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/* Initialize it to make the compiler happy. */
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const char *errstring = NULL;
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int lazy = reloc_mode & RTLD_LAZY;
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+ int skip_ifunc = reloc_mode & __RTLD_NOIFUNC;
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#ifdef SHARED
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/* If we are auditing, install the same handlers we need for profiling. */
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@@ -261,7 +262,7 @@ _dl_relocate_object (struct link_map *l,
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#include "dynamic-link.h"
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- ELF_DYNAMIC_RELOCATE (l, lazy, consider_profiling);
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+ ELF_DYNAMIC_RELOCATE (l, lazy, consider_profiling, skip_ifunc);
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#ifndef PROF
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if (__builtin_expect (consider_profiling, 0))
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Index: glibc-2.14/elf/do-rel.h
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===================================================================
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--- glibc-2.14.orig/elf/do-rel.h
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+++ glibc-2.14/elf/do-rel.h
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@@ -1,5 +1,5 @@
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/* Do relocations for ELF dynamic linking.
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- Copyright (C) 1995-2003, 2004 Free Software Foundation, Inc.
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+ Copyright (C) 1995-2003, 2004, 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@@ -52,7 +52,7 @@
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auto inline void __attribute__ ((always_inline))
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elf_dynamic_do_rel (struct link_map *map,
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ElfW(Addr) reladdr, ElfW(Addr) relsize,
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- int lazy)
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+ int lazy, int skip_ifunc)
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{
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const ElfW(Rel) *r = (const void *) reladdr;
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const ElfW(Rel) *end = (const void *) (reladdr + relsize);
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@@ -66,7 +66,7 @@ elf_dynamic_do_rel (struct link_map *map
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{
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/* Doing lazy PLT relocations; they need very little info. */
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for (; r < end; ++r)
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- elf_machine_lazy_rel (map, l_addr, r);
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+ elf_machine_lazy_rel (map, l_addr, r, skip_ifunc);
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}
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else
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#endif
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@@ -119,14 +119,14 @@ elf_dynamic_do_rel (struct link_map *map
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ElfW(Half) ndx = version[ELFW(R_SYM) (r->r_info)] & 0x7fff;
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elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)],
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&map->l_versions[ndx],
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- (void *) (l_addr + r->r_offset));
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+ (void *) (l_addr + r->r_offset), skip_ifunc);
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}
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}
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#ifndef RTLD_BOOTSTRAP
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else
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for (; r < end; ++r)
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elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)], NULL,
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- (void *) (l_addr + r->r_offset));
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+ (void *) (l_addr + r->r_offset), skip_ifunc);
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#endif
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}
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}
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Index: glibc-2.14/elf/dynamic-link.h
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===================================================================
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--- glibc-2.14.orig/elf/dynamic-link.h
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+++ glibc-2.14/elf/dynamic-link.h
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@@ -60,7 +60,7 @@ int internal_function _dl_try_allocate_s
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auto inline void __attribute__((always_inline))
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elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
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const ElfW(Sym) *sym, const struct r_found_version *version,
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- void *const reloc_addr);
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+ void *const reloc_addr, int skip_ifunc);
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auto inline void __attribute__((always_inline))
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elf_machine_rel_relative (ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
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void *const reloc_addr);
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@@ -69,7 +69,7 @@ elf_machine_rel_relative (ElfW(Addr) l_a
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auto inline void __attribute__((always_inline))
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elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
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const ElfW(Sym) *sym, const struct r_found_version *version,
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- void *const reloc_addr);
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+ void *const reloc_addr, int skip_ifunc);
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auto inline void __attribute__((always_inline))
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elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
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void *const reloc_addr);
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@@ -77,11 +77,13 @@ elf_machine_rela_relative (ElfW(Addr) l_
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# if ELF_MACHINE_NO_RELA || defined ELF_MACHINE_PLT_REL
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auto inline void __attribute__((always_inline))
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elf_machine_lazy_rel (struct link_map *map,
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- ElfW(Addr) l_addr, const ElfW(Rel) *reloc);
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+ ElfW(Addr) l_addr, const ElfW(Rel) *reloc,
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+ int skip_ifunc);
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# else
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auto inline void __attribute__((always_inline))
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elf_machine_lazy_rel (struct link_map *map,
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- ElfW(Addr) l_addr, const ElfW(Rela) *reloc);
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+ ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
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+ int skip_ifunc);
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# endif
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#endif
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@@ -254,7 +256,7 @@ elf_get_dynamic_info (struct link_map *l
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not happen we do something more optimal. */
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# ifdef ELF_MACHINE_PLTREL_OVERLAP
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-# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, test_rel) \
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+# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, skip_ifunc, test_rel) \
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do { \
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struct { ElfW(Addr) start, size; int lazy; } ranges[3]; \
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int ranges_index; \
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@@ -284,10 +286,11 @@ elf_get_dynamic_info (struct link_map *l
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elf_dynamic_do_##reloc ((map), \
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ranges[ranges_index].start, \
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ranges[ranges_index].size, \
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- ranges[ranges_index].lazy); \
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+ ranges[ranges_index].lazy, \
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+ skip_ifunc); \
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} while (0)
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# else
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-# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, test_rel) \
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+# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, skip_ifunc, test_rel) \
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do { \
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struct { ElfW(Addr) start, size; int lazy; } ranges[2]; \
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ranges[0].lazy = 0; \
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@@ -324,7 +327,8 @@ elf_get_dynamic_info (struct link_map *l
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} \
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\
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if (ELF_DURING_STARTUP) \
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- elf_dynamic_do_##reloc ((map), ranges[0].start, ranges[0].size, 0); \
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+ elf_dynamic_do_##reloc ((map), ranges[0].start, ranges[0].size, 0, \
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+ skip_ifunc); \
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else \
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{ \
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int ranges_index; \
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@@ -332,7 +336,8 @@ elf_get_dynamic_info (struct link_map *l
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elf_dynamic_do_##reloc ((map), \
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ranges[ranges_index].start, \
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ranges[ranges_index].size, \
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- ranges[ranges_index].lazy); \
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+ ranges[ranges_index].lazy, \
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+ skip_ifunc); \
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} \
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} while (0)
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# endif
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@@ -345,29 +350,29 @@ elf_get_dynamic_info (struct link_map *l
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# if ! ELF_MACHINE_NO_REL
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# include "do-rel.h"
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-# define ELF_DYNAMIC_DO_REL(map, lazy) \
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- _ELF_DYNAMIC_DO_RELOC (REL, rel, map, lazy, _ELF_CHECK_REL)
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+# define ELF_DYNAMIC_DO_REL(map, lazy, skip_ifunc) \
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+ _ELF_DYNAMIC_DO_RELOC (REL, rel, map, lazy, skip_ifunc, _ELF_CHECK_REL)
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# else
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-# define ELF_DYNAMIC_DO_REL(map, lazy) /* Nothing to do. */
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+# define ELF_DYNAMIC_DO_REL(map, lazy, skip_ifunc) /* Nothing to do. */
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# endif
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# if ! ELF_MACHINE_NO_RELA
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# define DO_RELA
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# include "do-rel.h"
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-# define ELF_DYNAMIC_DO_RELA(map, lazy) \
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- _ELF_DYNAMIC_DO_RELOC (RELA, rela, map, lazy, _ELF_CHECK_REL)
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+# define ELF_DYNAMIC_DO_RELA(map, lazy, skip_ifunc) \
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+ _ELF_DYNAMIC_DO_RELOC (RELA, rela, map, lazy, skip_ifunc, _ELF_CHECK_REL)
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# else
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-# define ELF_DYNAMIC_DO_RELA(map, lazy) /* Nothing to do. */
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+# define ELF_DYNAMIC_DO_RELA(map, lazy, skip_ifunc) /* Nothing to do. */
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# endif
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/* This can't just be an inline function because GCC is too dumb
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to inline functions containing inlines themselves. */
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-# define ELF_DYNAMIC_RELOCATE(map, lazy, consider_profile) \
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+# define ELF_DYNAMIC_RELOCATE(map, lazy, consider_profile, skip_ifunc) \
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do { \
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int edr_lazy = elf_machine_runtime_setup ((map), (lazy), \
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(consider_profile)); \
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- ELF_DYNAMIC_DO_REL ((map), edr_lazy); \
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- ELF_DYNAMIC_DO_RELA ((map), edr_lazy); \
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+ ELF_DYNAMIC_DO_REL ((map), edr_lazy, skip_ifunc); \
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+ ELF_DYNAMIC_DO_RELA ((map), edr_lazy, skip_ifunc); \
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} while (0)
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#endif
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Index: glibc-2.14/elf/rtld.c
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===================================================================
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--- glibc-2.14.orig/elf/rtld.c
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+++ glibc-2.14/elf/rtld.c
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@@ -543,7 +543,7 @@ _dl_start (void *arg)
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/* Relocate ourselves so we can do normal function calls and
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data access using the global offset table. */
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- ELF_DYNAMIC_RELOCATE (&bootstrap_map, 0, 0);
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+ ELF_DYNAMIC_RELOCATE (&bootstrap_map, 0, 0, 0);
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}
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bootstrap_map.l_relocated = 1;
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@@ -1992,8 +1992,9 @@ ERROR: ld.so: object '%s' cannot be load
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/* Relocate the main executable. */
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struct relocate_args args = { .l = l,
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- .reloc_mode = (GLRO(dl_lazy)
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- ? RTLD_LAZY : 0) };
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+ .reloc_mode = ((GLRO(dl_lazy)
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+ ? RTLD_LAZY : 0)
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+ | __RTLD_NOIFUNC) };
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_dl_receive_error (print_unresolved, relocate_doit, &args);
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/* This loop depends on the dependencies of the executable to
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@@ -2070,7 +2071,8 @@ ERROR: ld.so: object '%s' cannot be load
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struct relocate_args args;
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struct link_map *l;
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- args.reloc_mode = GLRO(dl_lazy) ? RTLD_LAZY : 0;
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+ args.reloc_mode = ((GLRO(dl_lazy) ? RTLD_LAZY : 0)
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+ | __RTLD_NOIFUNC);
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l = main_map;
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while (l->l_next != NULL)
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||||||
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@@ -2093,7 +2095,7 @@ ERROR: ld.so: object '%s' cannot be load
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/* Mark the link map as not yet relocated again. */
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GL(dl_rtld_map).l_relocated = 0;
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_dl_relocate_object (&GL(dl_rtld_map),
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- main_map->l_scope, 0, 0);
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||||||
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+ main_map->l_scope, __RTLD_NOIFUNC, 0);
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||||||
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}
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||||||
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}
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||||||
|
#define VERNEEDTAG (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (DT_VERNEED))
|
||||||
|
Index: glibc-2.14/include/dlfcn.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/include/dlfcn.h
|
||||||
|
+++ glibc-2.14/include/dlfcn.h
|
||||||
|
@@ -10,6 +10,7 @@
|
||||||
|
#define __RTLD_CALLMAP 0x10000000
|
||||||
|
#define __RTLD_AUDIT 0x08000000
|
||||||
|
#define __RTLD_SECURE 0x04000000 /* Apply additional security checks. */
|
||||||
|
+#define __RTLD_NOIFUNC 0x02000000 /* Suppress calling ifunc functions. */
|
||||||
|
|
||||||
|
#define __LM_ID_CALLER -2
|
||||||
|
|
||||||
|
Index: glibc-2.14/sysdeps/i386/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/i386/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/i386/dl-machine.h
|
||||||
|
@@ -311,7 +311,7 @@ auto inline void
|
||||||
|
__attribute ((always_inline))
|
||||||
|
elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
|
||||||
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
@@ -347,7 +347,8 @@ elf_machine_rel (struct link_map *map, c
|
||||||
|
if (sym != NULL
|
||||||
|
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC,
|
||||||
|
0)
|
||||||
|
- && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1))
|
||||||
|
+ && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
|
||||||
|
+ && __builtin_expect (!skip_ifunc, 1))
|
||||||
|
value = ((Elf32_Addr (*) (void)) value) ();
|
||||||
|
|
||||||
|
switch (r_type)
|
||||||
|
@@ -490,7 +491,7 @@ auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
||||||
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
@@ -507,8 +508,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
|
||||||
|
if (sym != NULL
|
||||||
|
&& __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
|
||||||
|
- && __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC,
|
||||||
|
- 0))
|
||||||
|
+ && __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
|
||||||
|
+ && __builtin_expect (!skip_ifunc, 1))
|
||||||
|
value = ((Elf32_Addr (*) (void)) value) ();
|
||||||
|
|
||||||
|
switch (ELF32_R_TYPE (reloc->r_info))
|
||||||
|
@@ -655,7 +656,8 @@ elf_machine_rela_relative (Elf32_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf32_Addr l_addr, const Elf32_Rel *reloc)
|
||||||
|
+ Elf32_Addr l_addr, const Elf32_Rel *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
@@ -706,19 +708,20 @@ elf_machine_lazy_rel (struct link_map *m
|
||||||
|
ElfW(Half) ndx = version[ELFW(R_SYM) (r->r_info)] & 0x7fff;
|
||||||
|
elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)],
|
||||||
|
&map->l_versions[ndx],
|
||||||
|
- (void *) (l_addr + r->r_offset));
|
||||||
|
+ (void *) (l_addr + r->r_offset), skip_ifunc);
|
||||||
|
}
|
||||||
|
# ifndef RTLD_BOOTSTRAP
|
||||||
|
else
|
||||||
|
elf_machine_rel (map, r, &symtab[ELFW(R_SYM) (r->r_info)], NULL,
|
||||||
|
- (void *) (l_addr + r->r_offset));
|
||||||
|
+ (void *) (l_addr + r->r_offset), skip_ifunc);
|
||||||
|
# endif
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (__builtin_expect (r_type == R_386_IRELATIVE, 0))
|
||||||
|
{
|
||||||
|
Elf32_Addr value = map->l_addr + *reloc_addr;
|
||||||
|
- value = ((Elf32_Addr (*) (void)) value) ();
|
||||||
|
+ if (__builtin_expect (!skip_ifunc, 1))
|
||||||
|
+ value = ((Elf32_Addr (*) (void)) value) ();
|
||||||
|
*reloc_addr = value;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
@@ -730,7 +733,8 @@ elf_machine_lazy_rel (struct link_map *m
|
||||||
|
auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rela (struct link_map *map,
|
||||||
|
- Elf32_Addr l_addr, const Elf32_Rela *reloc)
|
||||||
|
+ Elf32_Addr l_addr, const Elf32_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
@@ -747,7 +751,8 @@ elf_machine_lazy_rela (struct link_map *
|
||||||
|
else if (__builtin_expect (r_type == R_386_IRELATIVE, 0))
|
||||||
|
{
|
||||||
|
Elf32_Addr value = map->l_addr + reloc->r_addend;
|
||||||
|
- value = ((Elf32_Addr (*) (void)) value) ();
|
||||||
|
+ if (__builtin_expect (!skip_ifunc, 1))
|
||||||
|
+ value = ((Elf32_Addr (*) (void)) value) ();
|
||||||
|
*reloc_addr = value;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
Index: glibc-2.14/sysdeps/ia64/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/ia64/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/ia64/dl-machine.h
|
||||||
|
@@ -377,7 +377,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
const Elf64_Rela *reloc,
|
||||||
|
const Elf64_Sym *sym,
|
||||||
|
const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const unsigned long int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
@@ -493,7 +494,8 @@ elf_machine_rela_relative (Elf64_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf64_Addr l_addr, const Elf64_Rela *reloc)
|
||||||
|
+ Elf64_Addr l_addr, const Elf64_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned long int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
Index: glibc-2.14/sysdeps/powerpc/powerpc32/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/powerpc/powerpc32/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/powerpc/powerpc32/dl-machine.h
|
||||||
|
@@ -280,7 +280,7 @@ extern void _dl_reloc_overflow (struct l
|
||||||
|
auto inline void __attribute__ ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
||||||
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const Elf32_Sym *const refsym = sym;
|
||||||
|
@@ -315,7 +315,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
|
||||||
|
if (sym != NULL
|
||||||
|
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
|
||||||
|
- && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1))
|
||||||
|
+ && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
|
||||||
|
+ && __builtin_expect (!skip_ifunc, 1))
|
||||||
|
value = ((Elf32_Addr (*) (void)) value) ();
|
||||||
|
|
||||||
|
/* A small amount of code is duplicated here for speed. In libc,
|
||||||
|
@@ -391,7 +392,8 @@ elf_machine_rela_relative (Elf32_Addr l_
|
||||||
|
|
||||||
|
auto inline void __attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf32_Addr l_addr, const Elf32_Rela *reloc)
|
||||||
|
+ Elf32_Addr l_addr, const Elf32_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
/* elf_machine_runtime_setup handles this. */
|
||||||
|
}
|
||||||
|
Index: glibc-2.14/sysdeps/powerpc/powerpc64/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/powerpc/powerpc64/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/powerpc/powerpc64/dl-machine.h
|
||||||
|
@@ -558,7 +558,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
const Elf64_Rela *reloc,
|
||||||
|
const Elf64_Sym *sym,
|
||||||
|
const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
@@ -583,7 +584,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
|
||||||
|
if (sym != NULL
|
||||||
|
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
|
||||||
|
- && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1))
|
||||||
|
+ && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
|
||||||
|
+ && __builtin_expect (!skip_ifunc, 1))
|
||||||
|
value = resolve_ifunc (value, map, sym_map);
|
||||||
|
|
||||||
|
/* For relocs that don't edit code, return.
|
||||||
|
@@ -596,12 +598,14 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
return;
|
||||||
|
|
||||||
|
case R_PPC64_IRELATIVE:
|
||||||
|
- value = resolve_ifunc (value, map, sym_map);
|
||||||
|
+ if (__builtin_expect (!skip_ifunc, 1))
|
||||||
|
+ value = resolve_ifunc (value, map, sym_map);
|
||||||
|
*reloc_addr = value;
|
||||||
|
return;
|
||||||
|
|
||||||
|
case R_PPC64_JMP_IREL:
|
||||||
|
- value = resolve_ifunc (value, map, sym_map);
|
||||||
|
+ if (__builtin_expect (!skip_ifunc, 1))
|
||||||
|
+ value = resolve_ifunc (value, map, sym_map);
|
||||||
|
/* Fall thru */
|
||||||
|
case R_PPC64_JMP_SLOT:
|
||||||
|
#ifdef RESOLVE_CONFLICT_FIND_MAP
|
||||||
|
@@ -852,7 +856,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
|
||||||
|
auto inline void __attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf64_Addr l_addr, const Elf64_Rela *reloc)
|
||||||
|
+ Elf64_Addr l_addr, const Elf64_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
/* elf_machine_runtime_setup handles this. */
|
||||||
|
}
|
||||||
|
Index: glibc-2.14/sysdeps/s390/s390-32/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/s390/s390-32/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/s390/s390-32/dl-machine.h
|
||||||
|
@@ -275,7 +275,7 @@ auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
||||||
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
@@ -434,7 +434,8 @@ elf_machine_rela_relative (Elf32_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf32_Addr l_addr, const Elf32_Rela *reloc)
|
||||||
|
+ Elf32_Addr l_addr, const Elf32_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
Index: glibc-2.14/sysdeps/s390/s390-64/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/s390/s390-64/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/s390/s390-64/dl-machine.h
|
||||||
|
@@ -247,7 +247,7 @@ auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
|
||||||
|
const Elf64_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const unsigned int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
@@ -413,7 +413,8 @@ elf_machine_rela_relative (Elf64_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf64_Addr l_addr, const Elf64_Rela *reloc)
|
||||||
|
+ Elf64_Addr l_addr, const Elf64_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
Index: glibc-2.14/sysdeps/sh/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/sh/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/sh/dl-machine.h
|
||||||
|
@@ -268,7 +268,7 @@ auto inline void
|
||||||
|
__attribute ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
||||||
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
@@ -454,7 +454,8 @@ elf_machine_rela_relative (Elf32_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf32_Addr l_addr, const Elf32_Rela *reloc)
|
||||||
|
+ Elf32_Addr l_addr, const Elf32_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
/* Check for unexpected PLT reloc type. */
|
||||||
|
Index: glibc-2.14/sysdeps/sparc/sparc32/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/sparc/sparc32/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/sparc/sparc32/dl-machine.h
|
||||||
|
@@ -347,7 +347,7 @@ auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
|
||||||
|
const Elf32_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const Elf32_Sym *const refsym = sym;
|
||||||
|
@@ -397,7 +397,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
|
||||||
|
if (sym != NULL
|
||||||
|
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
|
||||||
|
- && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1))
|
||||||
|
+ && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
|
||||||
|
+ && __builtin_expect (!skip_ifunc, 1))
|
||||||
|
{
|
||||||
|
value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap));
|
||||||
|
}
|
||||||
|
@@ -552,7 +553,8 @@ elf_machine_rela_relative (Elf32_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf32_Addr l_addr, const Elf32_Rela *reloc)
|
||||||
|
+ Elf32_Addr l_addr, const Elf32_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf32_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
|
||||||
|
@@ -562,7 +564,8 @@ elf_machine_lazy_rel (struct link_map *m
|
||||||
|
else if (r_type == R_SPARC_JMP_IREL)
|
||||||
|
{
|
||||||
|
Elf32_Addr value = map->l_addr + reloc->r_addend;
|
||||||
|
- value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap));
|
||||||
|
+ if (__builtin_expect (!skip_ifunc, 1))
|
||||||
|
+ value = ((Elf32_Addr (*) (int)) value) (GLRO(dl_hwcap));
|
||||||
|
sparc_fixup_plt (reloc, reloc_addr, value, 1, 1);
|
||||||
|
}
|
||||||
|
else if (r_type == R_SPARC_NONE)
|
||||||
|
Index: glibc-2.14/sysdeps/sparc/sparc64/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/sparc/sparc64/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/sparc/sparc64/dl-machine.h
|
||||||
|
@@ -375,7 +375,7 @@ auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
|
||||||
|
const Elf64_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
|
||||||
|
@@ -429,7 +429,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
|
||||||
|
if (sym != NULL
|
||||||
|
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
|
||||||
|
- && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1))
|
||||||
|
+ && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
|
||||||
|
+ && __builtin_expect (!skip_ifunc, 1))
|
||||||
|
value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap));
|
||||||
|
|
||||||
|
switch (r_type)
|
||||||
|
@@ -647,7 +648,8 @@ elf_machine_rela_relative (Elf64_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf64_Addr l_addr, const Elf64_Rela *reloc)
|
||||||
|
+ Elf64_Addr l_addr, const Elf64_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
@@ -658,7 +660,8 @@ elf_machine_lazy_rel (struct link_map *m
|
||||||
|
|| r_type == R_SPARC_IRELATIVE)
|
||||||
|
{
|
||||||
|
Elf64_Addr value = map->l_addr + reloc->r_addend;
|
||||||
|
- value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap));
|
||||||
|
+ if (__builtin_expect (!skip_ifunc, 1))
|
||||||
|
+ value = ((Elf64_Addr (*) (int)) value) (GLRO(dl_hwcap));
|
||||||
|
if (r_type == R_SPARC_JMP_IREL)
|
||||||
|
{
|
||||||
|
/* 'high' is always zero, for large PLT entries the linker
|
||||||
|
Index: glibc-2.14/sysdeps/x86_64/dl-machine.h
|
||||||
|
===================================================================
|
||||||
|
--- glibc-2.14.orig/sysdeps/x86_64/dl-machine.h
|
||||||
|
+++ glibc-2.14/sysdeps/x86_64/dl-machine.h
|
||||||
|
@@ -261,7 +261,7 @@ auto inline void
|
||||||
|
__attribute__ ((always_inline))
|
||||||
|
elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
|
||||||
|
const Elf64_Sym *sym, const struct r_found_version *version,
|
||||||
|
- void *const reloc_addr_arg)
|
||||||
|
+ void *const reloc_addr_arg, int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = reloc_addr_arg;
|
||||||
|
const unsigned long int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
@@ -299,7 +299,8 @@ elf_machine_rela (struct link_map *map,
|
||||||
|
if (sym != NULL
|
||||||
|
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC,
|
||||||
|
0)
|
||||||
|
- && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1))
|
||||||
|
+ && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
|
||||||
|
+ && __builtin_expect (!skip_ifunc, 1))
|
||||||
|
value = ((Elf64_Addr (*) (void)) value) ();
|
||||||
|
|
||||||
|
# if defined RTLD_BOOTSTRAP && !USE___THREAD
|
||||||
|
@@ -470,7 +471,8 @@ elf_machine_rela_relative (Elf64_Addr l_
|
||||||
|
auto inline void
|
||||||
|
__attribute ((always_inline))
|
||||||
|
elf_machine_lazy_rel (struct link_map *map,
|
||||||
|
- Elf64_Addr l_addr, const Elf64_Rela *reloc)
|
||||||
|
+ Elf64_Addr l_addr, const Elf64_Rela *reloc,
|
||||||
|
+ int skip_ifunc)
|
||||||
|
{
|
||||||
|
Elf64_Addr *const reloc_addr = (void *) (l_addr + reloc->r_offset);
|
||||||
|
const unsigned long int r_type = ELF64_R_TYPE (reloc->r_info);
|
||||||
|
@@ -497,7 +499,8 @@ elf_machine_lazy_rel (struct link_map *m
|
||||||
|
else if (__builtin_expect (r_type == R_X86_64_IRELATIVE, 0))
|
||||||
|
{
|
||||||
|
Elf64_Addr value = map->l_addr + reloc->r_addend;
|
||||||
|
- value = ((Elf64_Addr (*) (void)) value) ();
|
||||||
|
+ if (__builtin_expect (!skip_ifunc, 1))
|
||||||
|
+ value = ((Elf64_Addr (*) (void)) value) ();
|
||||||
|
*reloc_addr = value;
|
||||||
|
}
|
||||||
|
else
|
||||||
@ -1,3 +1,8 @@
|
|||||||
|
-------------------------------------------------------------------
|
||||||
|
Mon Oct 10 14:07:44 UTC 2011 - aj@suse.de
|
||||||
|
|
||||||
|
- Fix tracing with ifuncs.
|
||||||
|
|
||||||
-------------------------------------------------------------------
|
-------------------------------------------------------------------
|
||||||
Tue Oct 4 14:10:13 UTC 2011 - uli@suse.com
|
Tue Oct 4 14:10:13 UTC 2011 - uli@suse.com
|
||||||
|
|
||||||
|
|||||||
@ -79,9 +79,10 @@ Obsoletes: glibc-32bit
|
|||||||
%endif
|
%endif
|
||||||
Version: 2.14
|
Version: 2.14
|
||||||
Release: 11
|
Release: 11
|
||||||
|
%define git_id 8bd683657e8a
|
||||||
Url: http://www.gnu.org/software/libc/libc.html
|
Url: http://www.gnu.org/software/libc/libc.html
|
||||||
BuildRoot: %{_tmppath}/%{name}-%{version}-build
|
BuildRoot: %{_tmppath}/%{name}-%{version}-build
|
||||||
Source: glibc-%{version}-8bd683657e8a.tar.bz2
|
Source: glibc-%{version}-%{git_id}.tar.bz2
|
||||||
Source2: http://ftp.gnu.org/gnu/glibc/glibc-ports-2.14.tar.bz2
|
Source2: http://ftp.gnu.org/gnu/glibc/glibc-ports-2.14.tar.bz2
|
||||||
Source3: noversion.tar.bz2
|
Source3: noversion.tar.bz2
|
||||||
Source4: manpages.tar.bz2
|
Source4: manpages.tar.bz2
|
||||||
@ -206,6 +207,8 @@ Patch72: glibc-2.15-avoid-vsyscall.patch
|
|||||||
Patch73: glibc-resolv-assert.diff
|
Patch73: glibc-resolv-assert.diff
|
||||||
# PATCH-FIX-OPENSUSE Run ctors (bnc#717671) aj@suse.de
|
# PATCH-FIX-OPENSUSE Run ctors (bnc#717671) aj@suse.de
|
||||||
Patch74: glibc-2.14-fix-ctors.patch
|
Patch74: glibc-2.14-fix-ctors.patch
|
||||||
|
# PATCH-FIX-UPSTREAM Fix trace and ifuncs aj@suse.de
|
||||||
|
Patch75: glibc-2.15-ifunc-trace.patch
|
||||||
# PATCH-FEATURE-OPENSUSE -- add sha support to crypt_blowfish lnussel@suse.de
|
# PATCH-FEATURE-OPENSUSE -- add sha support to crypt_blowfish lnussel@suse.de
|
||||||
Patch80: crypt_blowfish-1.2-sha.diff
|
Patch80: crypt_blowfish-1.2-sha.diff
|
||||||
# PATCH-FEATURE-OPENSUSE -- use separate symbol version for Owl extensions - lnussel@suse.de
|
# PATCH-FEATURE-OPENSUSE -- use separate symbol version for Owl extensions - lnussel@suse.de
|
||||||
@ -448,6 +451,7 @@ rm nscd/s-stamp
|
|||||||
%patch72 -p1
|
%patch72 -p1
|
||||||
%patch73 -p1
|
%patch73 -p1
|
||||||
%patch74 -p1
|
%patch74 -p1
|
||||||
|
%patch75 -p1
|
||||||
|
|
||||||
#
|
#
|
||||||
# Inconsistency detected by ld.so: dl-close.c: 719: _dl_close: Assertion `map->l_init_called' failed!
|
# Inconsistency detected by ld.so: dl-close.c: 719: _dl_close: Assertion `map->l_init_called' failed!
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user