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[PATCH 09/16] tools lib symbol: Introduce kallsyms2elf_type

From Arnaldo Carvalho de Melo <acme@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 09/16] tools lib symbol: Introduce kallsyms2elf_type
Date 2015-10-01 00:00 +0200
Message-ID <qexzR-LW-33@gated-at.bofh.it> (permalink)
References <qexzQ-LW-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Arnaldo Carvalho de Melo <acme@redhat.com>

Map 't', 'T' (text, local, global), 'w' and 'W' (weak text, local,
global) as STT_FUNC, and the rest as STT_OBJECT

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-sbwcixulpc5v1xuxn3xvm0nn@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/lib/symbol/kallsyms.c | 6 ++++++
 tools/lib/symbol/kallsyms.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c
index 18bc271a4bbc..5e431077fcd6 100644
--- a/tools/lib/symbol/kallsyms.c
+++ b/tools/lib/symbol/kallsyms.c
@@ -2,6 +2,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+u8 kallsyms2elf_type(char type)
+{
+	type = tolower(type);
+	return (type == 't' || type == 'w') ? STT_FUNC : STT_OBJECT;
+}
+
 int kallsyms__parse(const char *filename, void *arg,
 		    int (*process_symbol)(void *arg, const char *name,
 					  char type, u64 start))
diff --git a/tools/lib/symbol/kallsyms.h b/tools/lib/symbol/kallsyms.h
index bb86c5b76ee8..4071316a766e 100644
--- a/tools/lib/symbol/kallsyms.h
+++ b/tools/lib/symbol/kallsyms.h
@@ -17,6 +17,8 @@ static inline u8 kallsyms2elf_binding(char type)
 	return isupper(type) ? STB_GLOBAL : STB_LOCAL;
 }
 
+u8 kallsyms2elf_type(char type);
+
 int kallsyms__parse(const char *filename, void *arg,
 		    int (*process_symbol)(void *arg, const char *name,
 					  char type, u64 start));
-- 
2.1.0

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Thread

[GIT PULL 00/16] perf/core improvements and fixes Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 15/16] perf list: Remove blank lines, headers when piping output Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 12/16] perf probe: Show correct source lines of probes on kmodules Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 16/16] perf tools: By default use the most precise "cycles" hw counter available Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 02/16] perf tools: Fix shadowed declaration in parse-events.c Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 09/16] tools lib symbol: Introduce kallsyms2elf_type Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 04/16] perf report: Amend documentation about max_stack and synthesized callchains Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 03/16] perf maps: Introduce maps__find_symbol_by_name() Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 01/16] tools: Fix shadowed declaration in err.h Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:00 +0200
  [PATCH 07/16] perf machine: Add method for common kernel_map(FUNCTION) operation Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-10-01 00:10 +0200
  Re: [GIT PULL 00/16] perf/core improvements and fixes Ingo Molnar <mingo@kernel.org> - 2015-10-01 09:10 +0200

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