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authorAdrian Hunter <adrian.hunter@intel.com>2013-09-13 16:49:30 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-09-19 11:32:17 -0300
commite955d5c434009b661dbb200c601254b0c2d9940a (patch)
tree521348110e1dd5946a9bcb4501665f829770abf2 /tools/perf/util/symbol-elf.c
parentperf tools: Fix buildid cache handling of kallsyms with kcore (diff)
downloadlinux-dev-e955d5c434009b661dbb200c601254b0c2d9940a.tar.xz
linux-dev-e955d5c434009b661dbb200c601254b0c2d9940a.zip
perf tools: Fix compile with libelf without get_phdrnum
Add a feature check for get_phdrnum() and implement a replacement if it is not present. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1379080170-6608-1-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
-rw-r--r--tools/perf/util/symbol-elf.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index a7b9ab557380..a9c829be5216 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -8,6 +8,22 @@
#include "symbol.h"
#include "debug.h"
+#ifndef HAVE_ELF_GETPHDRNUM
+static int elf_getphdrnum(Elf *elf, size_t *dst)
+{
+ GElf_Ehdr gehdr;
+ GElf_Ehdr *ehdr;
+
+ ehdr = gelf_getehdr(elf, &gehdr);
+ if (!ehdr)
+ return -1;
+
+ *dst = ehdr->e_phnum;
+
+ return 0;
+}
+#endif
+
#ifndef NT_GNU_BUILD_ID
#define NT_GNU_BUILD_ID 3
#endif