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perf tools: Fix fallback to cplus_demangle() when bfd_demangle() is not available

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In old binutils we can't access bfd_demangle(), use
cplus_demangle() just like oprofile.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Luis Claudio R. Gonçalves <lclaudio@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20090811192211.GG18061@ghostprotocols.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo
2009-08-11 16:22:11 -03:00
committed by Ingo Molnar
parent 94a24752fe
commit 247648e374
3 changed files with 42 additions and 26 deletions
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15
tools/perf/util/symbol.c
View File

@@ -7,23 +7,8 @@
#include <gelf.h>
#include <elf.h>
#ifndef NO_DEMANGLE
#include <bfd.h>
#else
static inline
char *bfd_demangle(void __used *v, const char __used *c, int __used i)
{
return NULL;
}
#endif
const char *sym_hist_filter;
#ifndef DMGL_PARAMS
#define DMGL_PARAMS (1 << 0) /* Include function args */
#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
#endif
enum dso_origin {
DSO__ORIG_KERNEL = 0,
DSO__ORIG_JAVA_JIT,

24
tools/perf/util/symbol.h
View File

@@ -7,6 +7,30 @@
#include <linux/rbtree.h>
#include "module.h"
#ifdef HAVE_CPLUS_DEMANGLE
extern char *cplus_demangle(const char *, int);
static inline char *bfd_demangle(void __used *v, const char *c, int i)
{
return cplus_demangle(c, i);
}
#else
#ifdef NO_DEMANGLE
static inline char *bfd_demangle(void __used *v, const char __used *c,
int __used i)
{
return NULL;
}
#else
#include <bfd.h>
#endif
#endif
#ifndef DMGL_PARAMS
#define DMGL_PARAMS (1 << 0) /* Include function args */
#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
#endif
struct symbol {
struct rb_node rb_node;
u64 start;