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| author | Ananth N Mavinakayanahalli <ananth@in.ibm.com> | 2015-04-28 17:35:38 +0530 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-04 12:43:45 -0300 |
| commit | c50fc0a43e33a6c3257c5cbb954cd747d7b9a680 (patch) | |
| tree | eeb3ffad717b3b0fc1121d9156fd71a967e78ea4 /tools/perf/arch/powerpc/util/sym-handling.c | |
| parent | 031b84c407c3153ffbcb4f8f832edf48af988719 (diff) | |
| download | op-kernel-dev-c50fc0a43e33a6c3257c5cbb954cd747d7b9a680.zip op-kernel-dev-c50fc0a43e33a6c3257c5cbb954cd747d7b9a680.tar.gz | |
perf probe ppc64le: Fix ppc64 ABIv2 symbol decoding
ppc64 ELF ABIv2 has a Global Entry Point (GEP) and a Local Entry Point
(LEP). For purposes of probing, we need the LEP - the offset to which is
encoded in st_other.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/ab9cc5e2b9de4cbaaf50f6ef2346a6a81100bad1.1430217967.git.naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/arch/powerpc/util/sym-handling.c')
| -rw-r--r-- | tools/perf/arch/powerpc/util/sym-handling.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c index 2de2cc4..012a0f8 100644 --- a/tools/perf/arch/powerpc/util/sym-handling.c +++ b/tools/perf/arch/powerpc/util/sym-handling.c @@ -17,6 +17,13 @@ bool elf__needs_adjust_symbols(GElf_Ehdr ehdr) ehdr.e_type == ET_REL || ehdr.e_type == ET_DYN; } + +#if defined(_CALL_ELF) && _CALL_ELF == 2 +void arch__elf_sym_adjust(GElf_Sym *sym) +{ + sym->st_value += PPC64_LOCAL_ENTRY_OFFSET(sym->st_other); +} +#endif #endif #if !defined(_CALL_ELF) || _CALL_ELF != 2 |
