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Date: Thu, 25 Mar 2010 19:59:00 -0300
From: Arnaldo Carvalho de Melo <acme@...radead.org>
To: Ingo Molnar <mingo@...e.hu>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Frédéric Weisbecker <fweisbec@...il.com>,
Mike Galbraith <efault@....de>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>
Subject: [PATCH 5/6] perf symbols: Move hex2u64 and strxfrchar to symbol.c
From: Arnaldo Carvalho de Melo <acme@...hat.com>
Mostly used in symbol.c so move them there to reduce the number of files
needed to use the symbol system.
Also do some header adjustments with the same intent.
Cc: Frédéric Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/util/parse-events.c | 1 +
tools/perf/util/string.c | 43 --------------------
tools/perf/util/string.h | 2 -
tools/perf/util/symbol.c | 85 +++++++++++++++++++++++++++++++--------
tools/perf/util/symbol.h | 10 ++++-
5 files changed, 76 insertions(+), 65 deletions(-)
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index a201445..435781e 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -5,6 +5,7 @@
#include "parse-events.h"
#include "exec_cmd.h"
#include "string.h"
+#include "symbol.h"
#include "cache.h"
#include "header.h"
#include "debugfs.h"
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index a175949..d438924 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -1,49 +1,6 @@
#include "string.h"
#include "util.h"
-static int hex(char ch)
-{
- if ((ch >= '0') && (ch <= '9'))
- return ch - '0';
- if ((ch >= 'a') && (ch <= 'f'))
- return ch - 'a' + 10;
- if ((ch >= 'A') && (ch <= 'F'))
- return ch - 'A' + 10;
- return -1;
-}
-
-/*
- * While we find nice hex chars, build a long_val.
- * Return number of chars processed.
- */
-int hex2u64(const char *ptr, u64 *long_val)
-{
- const char *p = ptr;
- *long_val = 0;
-
- while (*p) {
- const int hex_val = hex(*p);
-
- if (hex_val < 0)
- break;
-
- *long_val = (*long_val << 4) | hex_val;
- p++;
- }
-
- return p - ptr;
-}
-
-char *strxfrchar(char *s, char from, char to)
-{
- char *p = s;
-
- while ((p = strchr(p, from)) != NULL)
- *p++ = to;
-
- return s;
-}
-
#define K 1024LL
/*
* perf_atoll()
diff --git a/tools/perf/util/string.h b/tools/perf/util/string.h
index 542e44d..7005824 100644
--- a/tools/perf/util/string.h
+++ b/tools/perf/util/string.h
@@ -4,8 +4,6 @@
#include <stdbool.h>
#include "types.h"
-int hex2u64(const char *ptr, u64 *val);
-char *strxfrchar(char *s, char from, char to);
s64 perf_atoll(const char *str);
char **argv_split(const char *str, int *argcp);
void argv_free(char **argv);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 3eb9de4..f3d4151 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1,13 +1,19 @@
-#include "util.h"
-#include "../perf.h"
-#include "sort.h"
-#include "string.h"
+#define _GNU_SOURCE
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <libgen.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <fcntl.h>
+#include <unistd.h>
#include "symbol.h"
-#include "thread.h"
+#include "strlist.h"
-#include "debug.h"
-
-#include <asm/bug.h>
#include <libelf.h>
#include <gelf.h>
#include <elf.h>
@@ -114,8 +120,8 @@ static void map_groups__fixup_end(struct map_groups *self)
static struct symbol *symbol__new(u64 start, u64 len, const char *name)
{
size_t namelen = strlen(name) + 1;
- struct symbol *self = zalloc(symbol_conf.priv_size +
- sizeof(*self) + namelen);
+ struct symbol *self = calloc(1, (symbol_conf.priv_size +
+ sizeof(*self) + namelen));
if (self == NULL)
return NULL;
@@ -166,7 +172,7 @@ static void dso__set_basename(struct dso *self)
struct dso *dso__new(const char *name)
{
- struct dso *self = zalloc(sizeof(*self) + strlen(name) + 1);
+ struct dso *self = calloc(1, sizeof(*self) + strlen(name) + 1);
if (self != NULL) {
int i;
@@ -1382,13 +1388,13 @@ static int dso__kernel_module_get_build_id(struct dso *self)
return 0;
}
-static int map_groups__set_modules_path_dir(struct map_groups *self, char *dirname)
+static int map_groups__set_modules_path_dir(struct map_groups *self, char *dir_name)
{
struct dirent *dent;
- DIR *dir = opendir(dirname);
+ DIR *dir = opendir(dir_name);
if (!dir) {
- pr_debug("%s: cannot open %s dir\n", __func__, dirname);
+ pr_debug("%s: cannot open %s dir\n", __func__, dir_name);
return -1;
}
@@ -1401,7 +1407,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *self, char *dirna
continue;
snprintf(path, sizeof(path), "%s/%s",
- dirname, dent->d_name);
+ dir_name, dent->d_name);
if (map_groups__set_modules_path_dir(self, path) < 0)
goto failure;
} else {
@@ -1421,7 +1427,7 @@ static int map_groups__set_modules_path_dir(struct map_groups *self, char *dirna
continue;
snprintf(path, sizeof(path), "%s/%s",
- dirname, dent->d_name);
+ dir_name, dent->d_name);
long_name = strdup(path);
if (long_name == NULL)
@@ -1458,8 +1464,8 @@ static int map_groups__set_modules_path(struct map_groups *self)
*/
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
{
- struct map *self = zalloc(sizeof(*self) +
- (dso->kernel ? sizeof(struct kmap) : 0));
+ struct map *self = calloc(1, (sizeof(*self) +
+ (dso->kernel ? sizeof(struct kmap) : 0)));
if (self != NULL) {
/*
* ->end will be filled after we load all the symbols
@@ -1963,3 +1969,46 @@ int map_groups__create_kernel_maps(struct map_groups *self,
map_groups__fixup_end(self);
return 0;
}
+
+static int hex(char ch)
+{
+ if ((ch >= '0') && (ch <= '9'))
+ return ch - '0';
+ if ((ch >= 'a') && (ch <= 'f'))
+ return ch - 'a' + 10;
+ if ((ch >= 'A') && (ch <= 'F'))
+ return ch - 'A' + 10;
+ return -1;
+}
+
+/*
+ * While we find nice hex chars, build a long_val.
+ * Return number of chars processed.
+ */
+int hex2u64(const char *ptr, u64 *long_val)
+{
+ const char *p = ptr;
+ *long_val = 0;
+
+ while (*p) {
+ const int hex_val = hex(*p);
+
+ if (hex_val < 0)
+ break;
+
+ *long_val = (*long_val << 4) | hex_val;
+ p++;
+ }
+
+ return p - ptr;
+}
+
+char *strxfrchar(char *s, char from, char to)
+{
+ char *p = s;
+
+ while ((p = strchr(p, from)) != NULL)
+ *p++ = to;
+
+ return s;
+}
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index a4a894b..757fae3 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -3,10 +3,11 @@
#include <linux/types.h>
#include <stdbool.h>
-#include "types.h"
+#include <stdint.h>
+#include "map.h"
#include <linux/list.h>
#include <linux/rbtree.h>
-#include "event.h"
+#include <stdio.h>
#define DEBUG_CACHE_DIR ".debug"
@@ -29,6 +30,9 @@ static inline char *bfd_demangle(void __used *v, const char __used *c,
#endif
#endif
+int hex2u64(const char *ptr, u64 *val);
+char *strxfrchar(char *s, char from, char to);
+
/*
* libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
* for newer versions we can use mmap to reduce memory usage:
@@ -44,6 +48,8 @@ static inline char *bfd_demangle(void __used *v, const char __used *c,
#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
#endif
+#define BUILD_ID_SIZE 20
+
struct symbol {
struct rb_node rb_node;
u64 start;
--
1.6.2.5
--
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