linux-kernel - [tip:perfcounters/urgent] perf_counter tools: Provide default bfd_demangle() function in case it's not around

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Message-ID: <tip-238762507bb41689df191160ada1986b012b57df@git.kernel.org>
Date:	Tue, 4 Aug 2009 11:37:56 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	efault@....de, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perfcounters/urgent] perf_counter tools: Provide default bfd_demangle() function in case it's not around

Commit-ID:  238762507bb41689df191160ada1986b012b57df
Gitweb:     http://git.kernel.org/tip/238762507bb41689df191160ada1986b012b57df
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Tue, 4 Aug 2009 13:27:41 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 4 Aug 2009 13:27:43 +0200

perf_counter tools: Provide default bfd_demangle() function in case it's not around

Provide weak alias (which does nothing) in case the system does not
offer one.

Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 tools/perf/util/symbol.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index b4fe057..7bd5128 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -8,6 +8,17 @@
 #include <elf.h>
 #include <bfd.h>
 
+/*
+ * Weak wrapper in case a library version is not available:
+ */
+extern char * __attribute__((weak)) bfd_demangle (bfd *, const char *, int);
+
+char * __attribute__((weak))
+ bfd_demangle (bfd *bfd __used, const char *name __used, int flags __used)
+{
+	return NULL;
+}
+
 const char *sym_hist_filter;
 
 #ifndef DMGL_PARAMS
--
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