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ppc: Pass hwcap to ifuncs.

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* sysdeps/powerpc/powerpc32/dl-irel.h (elf_ifunc_invoke): Pass
        dl_hwcap to ifunc resolver.
        * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela): Use
        elf_ifunc_invoke.
        * sysdeps/powerpc/powerpc64/dl-irel.h (elf_ifunc_invoke): Pass
        dl_hwcap to ifunc resolver.
        * sysdeps/powerpc/powerpc64/dl-machine.h (resolve_ifunc): Likewise.
This commit is contained in:
Richard Henderson 2012-05-25 10:30:42 -07:00
parent db5013c654
commit a386f1cc22
5 changed files with 18 additions and 7 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2012-05-25 Richard Henderson <rth@twiddle.net>
* sysdeps/powerpc/powerpc32/dl-irel.h (elf_ifunc_invoke): Pass
dl_hwcap to ifunc resolver.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela): Use
elf_ifunc_invoke.
* sysdeps/powerpc/powerpc64/dl-irel.h (elf_ifunc_invoke): Pass
dl_hwcap to ifunc resolver.
* sysdeps/powerpc/powerpc64/dl-machine.h (resolve_ifunc): Likewise.
2012-05-24 Joseph Myers <joseph@codesourcery.com>
[BZ #14153]

4
sysdeps/powerpc/powerpc32/dl-irel.h
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@ -1,6 +1,6 @@
/* Machine-dependent ELF indirect relocation inline functions.
PowerPC version.
Copyright (C) 2009 Free Software Foundation, Inc.
Copyright (C) 2009-2012 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
@ -29,7 +29,7 @@ static inline Elf32_Addr
__attribute ((always_inline))
elf_ifunc_invoke (Elf32_Addr addr)
{
return ((Elf32_Addr (*) (void)) (addr)) ();
return ((Elf32_Addr (*) (unsigned long int)) (addr)) (GLRO(dl_hwcap));
}
static inline void

5
sysdeps/powerpc/powerpc32/dl-machine.h
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@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. PowerPC version.
Copyright (C) 1995-2003, 2005, 2006, 2011 Free Software Foundation, Inc.
Copyright (C) 1995-2012 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
@ -23,6 +23,7 @@
#include <assert.h>
#include <dl-tls.h>
#include <dl-irel.h>
/* Translate a processor specific dynamic tag to the index
in l_info array. */
@ -308,7 +309,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
&& __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
&& __builtin_expect (!skip_ifunc, 1))
value = ((Elf32_Addr (*) (void)) value) ();
value = elf_ifunc_invoke (value);
/* A small amount of code is duplicated here for speed. In libc,
more than 90% of the relocs are R_PPC_RELATIVE; in the X11 shared

4
sysdeps/powerpc/powerpc64/dl-irel.h
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@ -1,6 +1,6 @@
/* Machine-dependent ELF indirect relocation inline functions.
PowerPC64 version.
Copyright (C) 2009, 2011 Free Software Foundation, Inc.
Copyright (C) 2009-2012 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
@ -31,7 +31,7 @@ static inline Elf64_Addr
__attribute ((always_inline))
elf_ifunc_invoke (Elf64_Addr addr)
{
return ((Elf64_Addr (*) (void)) (addr)) ();
return ((Elf64_Addr (*) (unsigned long int)) (addr)) (GLRO(dl_hwcap));
}
static inline void

2
sysdeps/powerpc/powerpc64/dl-machine.h
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@ -545,7 +545,7 @@ resolve_ifunc (Elf64_Addr value,
value = (Elf64_Addr) &opd;
}
#endif
return ((Elf64_Addr (*) (void)) value) ();
return ((Elf64_Addr (*) (unsigned long int)) value) (GLRO(dl_hwcap));
}
/* Perform the relocation specified by RELOC and SYM (which is fully