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Add an elf_ifunc_invoke interface so that architectures can implement

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the ifunc resolver calls however they wish.
This commit is contained in:
David S. Miller
2011-06-20 19:56:40 -07:00
parent 57912a71cc
commit 42675c6ff0
11 changed files with 84 additions and 16 deletions
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9
elf/dl-runtime.c
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@@ -27,6 +27,7 @@
#include <sysdep-cancel.h>
#include "dynamic-link.h"
#include <tls.h>
#include <dl-irel.h>
#if (!defined ELF_MACHINE_NO_RELA && !defined ELF_MACHINE_PLT_REL) \
@@ -146,7 +147,7 @@ _dl_fixup (
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0))
value = ((DL_FIXUP_VALUE_TYPE (*) (void)) DL_FIXUP_VALUE_ADDR (value)) ();
value = elf_ifunc_invoke (DL_FIXUP_VALUE_ADDR (value));
/* Finally, fix up the plt itself. */
if (__builtin_expect (GLRO(dl_bind_not), 0))
@@ -235,8 +236,7 @@ _dl_profile_fixup (
if (defsym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (defsym->st_info)
== STT_GNU_IFUNC, 0))
value = ((DL_FIXUP_VALUE_TYPE (*) (void))
DL_FIXUP_VALUE_ADDR (value)) ();
value = elf_ifunc_invoke (DL_FIXUP_VALUE_ADDR (value));
}
else
{
@@ -246,8 +246,7 @@ _dl_profile_fixup (
if (__builtin_expect (ELFW(ST_TYPE) (refsym->st_info)
== STT_GNU_IFUNC, 0))
value = ((DL_FIXUP_VALUE_TYPE (*) (void))
DL_FIXUP_VALUE_ADDR (value)) ();
value = elf_ifunc_invoke (DL_FIXUP_VALUE_ADDR (value));
result = l;
}