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authorDavid Ahern <dsahern@gmail.com>2012-08-19 09:47:14 -0600
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-08-20 09:35:22 -0300
commitf47b58b75f5e2a424834eb15f7565a7458a12f44 (patch)
tree3c686ecc21ee4a44c4c157d8c66903880a84add1 /tools/perf/util
parent1c09bf4a79e808c13c02d4ca8221fb2957bf3ccb (diff)
downloadop-kernel-dev-f47b58b75f5e2a424834eb15f7565a7458a12f44.zip
op-kernel-dev-f47b58b75f5e2a424834eb15f7565a7458a12f44.tar.gz
perf symbols: Fix builds with NO_LIBELF set
Build currently fails: $ make -C tools/perf O=/tmp/pbuild NO_LIBELF=1 util/symbol.c: In function ‘dso__load’: util/symbol.c:1128:27: error: ‘struct symsrc’ has no member named ‘dynsym’ CC /tmp/pbuild/util/pager.o make: *** [/tmp/pbuild/util/symbol.o] Error 1 make: *** Waiting for unfinished jobs.... Moving the dynsym reference to symbol-elf.c reveals that NO_LIBELF requires NO_LIBUNWIND: $ make -C tools/perf O=/tmp/pbuild NO_LIBELF=1 LINK /tmp/pbuild/perf /tmp/pbuild/libperf.a(unwind.o): In function `elf_section_offset': /opt/sw/ahern/perf.git/tools/perf/util/unwind.c:176: undefined reference to `elf_begin' /opt/sw/ahern/perf.git/tools/perf/util/unwind.c:181: undefined reference to `gelf_getehdr' /tmp/pbuild/libperf.a(unwind.o): In function `elf_section_by_name': /opt/sw/ahern/perf.git/tools/perf/util/unwind.c:157: undefined reference to `elf_nextscn' /opt/sw/ahern/perf.git/tools/perf/util/unwind.c:160: undefined reference to `gelf_getshdr' /opt/sw/ahern/perf.git/tools/perf/util/unwind.c:161: undefined reference to `elf_strptr' /tmp/pbuild/libperf.a(unwind.o): In function `elf_section_offset': /opt/sw/ahern/perf.git/tools/perf/util/unwind.c:190: undefined reference to `elf_end' /tmp/pbuild/libperf.a(unwind.o): In function `read_unwind_spec': /opt/sw/ahern/perf.git/tools/perf/util/unwind.c:190: undefined reference to `elf_end' collect2: ld returned 1 exit status make: *** [/tmp/pbuild/perf] Error 1 make: Leaving directory `/opt/sw/ahern/perf.git/tools/perf' This patch fixes both. Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1345391234-71906-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/symbol-elf.c3
-rw-r--r--tools/perf/util/symbol.c2
2 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 5b37e13..db0cc92 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -183,6 +183,9 @@ int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss, struct map *
Elf *elf;
int nr = 0, symidx, err = 0;
+ if (!ss->dynsym)
+ return 0;
+
elf = ss->elf;
ehdr = ss->ehdr;
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 2293a4a..753699a 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1125,7 +1125,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
else
ret = -1;
- if (ret > 0 && runtime_ss->dynsym) {
+ if (ret > 0) {
int nr_plt;
nr_plt = dso__synthesize_plt_symbols(dso, runtime_ss, map, filter);
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