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perf symbols: Introduce symbol_type__is_a

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For selecting the right types of symbols in /proc/kallsyms, will be
followed by elf_symbol_type__is_a, for the same purpose on ELF
symtabs.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260550239-5372-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-12-11 14:50:37 -02:00 committed by Ingo Molnar
parent 9958e1f0ae
commit 6893d4ee67
2 changed files with 13 additions and 6 deletions
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4
tools/perf/util/event.h
View file

@ -103,10 +103,10 @@ void event__print_totals(void);
enum map_type {
MAP__FUNCTION = 0,
MAP__NR_TYPES,
};
#define MAP__NR_TYPES (MAP__FUNCTION + 1)
struct map {
union {
struct rb_node rb_node;

15
tools/perf/util/symbol.c
View file

@ -56,6 +56,16 @@ static void dso__set_loaded(struct dso *self, enum map_type type)
self->loaded |= (1 << type);
}
static bool symbol_type__is_a(char symbol_type, enum map_type map_type)
{
switch (map_type) {
case MAP__FUNCTION:
return symbol_type == 'T' || symbol_type == 'W';
default:
return false;
}
}
static void symbols__fixup_end(struct rb_root *self)
{
struct rb_node *nd, *prevnd = rb_first(self);
@ -327,10 +337,7 @@ static int dso__load_all_kallsyms(struct dso *self, struct map *map)
continue;
symbol_type = toupper(line[len]);
/*
* We're interested only in code ('T'ext)
*/
if (symbol_type != 'T' && symbol_type != 'W')
if (!symbol_type__is_a(symbol_type, map->type))
continue;
symbol_name = line + len + 2;