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Message-ID: <tip-dopkqmmuqs04cxzql0024nnu@git.kernel.org>
Date: Tue, 20 Jun 2017 01:57:57 -0700
From: tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: hpa@...or.com, namhyung@...nel.org, jolsa@...nel.org,
alexander.shishkin@...ux.intel.com, tglx@...utronix.de,
kim.phillips@....com, wangnan0@...wei.com, mingo@...nel.org,
dsahern@...il.com, mathieu.poirier@...aro.org,
adrian.hunter@...el.com, linux-kernel@...r.kernel.org,
acme@...hat.com
Subject: [tip:perf/core] tools: Adopt __printf from kernel sources
Commit-ID: afaed6d3e4aa56e939b496aafa5c97852e223122
Gitweb: http://git.kernel.org/tip/afaed6d3e4aa56e939b496aafa5c97852e223122
Author: Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Fri, 16 Jun 2017 11:57:54 -0300
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 19 Jun 2017 15:25:26 -0300
tools: Adopt __printf from kernel sources
To have a more compact way to ask the compiler to perform printf like
vargargs validation.
v2: Fixed up build on arm, squashing a patch by Kim Phillips, thanks!
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Kim Phillips <kim.phillips@....com>
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-dopkqmmuqs04cxzql0024nnu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/include/linux/compiler-gcc.h | 2 ++
tools/perf/arch/arm/util/cs-etm.c | 4 ++--
tools/perf/util/cache.h | 3 ++-
tools/perf/util/debug.h | 11 ++++++-----
tools/perf/util/intel-pt-decoder/intel-pt-log.h | 4 ++--
tools/perf/util/probe-event.h | 4 ++--
tools/perf/util/strbuf.h | 4 ++--
tools/perf/util/util.h | 12 +++---------
8 files changed, 21 insertions(+), 23 deletions(-)
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
index a3deb74..f531b25 100644
--- a/tools/include/linux/compiler-gcc.h
+++ b/tools/include/linux/compiler-gcc.h
@@ -21,3 +21,5 @@
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
#define __noreturn __attribute__((noreturn))
+
+#define __printf(a, b) __attribute__((format(printf, a, b)))
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 29361d9..02a649b 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -17,6 +17,7 @@
#include <api/fs/fs.h>
#include <linux/bitops.h>
+#include <linux/compiler.h>
#include <linux/coresight-pmu.h>
#include <linux/kernel.h>
#include <linux/log2.h>
@@ -583,8 +584,7 @@ static FILE *cs_device__open_file(const char *name)
}
-static __attribute__((format(printf, 2, 3)))
-int cs_device__print_file(const char *name, const char *fmt, ...)
+static int __printf(2, 3) cs_device__print_file(const char *name, const char *fmt, ...)
{
va_list args;
FILE *file;
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 0328f29..0175765 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -5,6 +5,7 @@
#include <subcmd/pager.h>
#include "../ui/ui.h"
+#include <linux/compiler.h>
#include <linux/string.h>
#define CMD_EXEC_PATH "--exec-path"
@@ -24,6 +25,6 @@ static inline int is_absolute_path(const char *path)
return path[0] == '/';
}
-char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
+char *mkpath(const char *fmt, ...) __printf(1, 2);
#endif /* __PERF_CACHE_H */
diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
index 8a23ea1..c818bdb 100644
--- a/tools/perf/util/debug.h
+++ b/tools/perf/util/debug.h
@@ -4,6 +4,7 @@
#include <stdbool.h>
#include <string.h>
+#include <linux/compiler.h>
#include "event.h"
#include "../ui/helpline.h"
#include "../ui/progress.h"
@@ -40,16 +41,16 @@ extern int debug_data_convert;
#define STRERR_BUFSIZE 128 /* For the buffer size of str_error_r */
-int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
+int dump_printf(const char *fmt, ...) __printf(1, 2);
void trace_event(union perf_event *event);
-int ui__error(const char *format, ...) __attribute__((format(printf, 1, 2)));
-int ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2)));
+int ui__error(const char *format, ...) __printf(1, 2);
+int ui__warning(const char *format, ...) __printf(1, 2);
void pr_stat(const char *fmt, ...);
-int eprintf(int level, int var, const char *fmt, ...) __attribute__((format(printf, 3, 4)));
-int eprintf_time(int level, int var, u64 t, const char *fmt, ...) __attribute__((format(printf, 4, 5)));
+int eprintf(int level, int var, const char *fmt, ...) __printf(3, 4);
+int eprintf_time(int level, int var, u64 t, const char *fmt, ...) __printf(4, 5);
int veprintf(int level, int var, const char *fmt, va_list args);
int perf_debug_option(const char *str);
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-log.h b/tools/perf/util/intel-pt-decoder/intel-pt-log.h
index debe751..45b64f9 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-log.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-log.h
@@ -16,6 +16,7 @@
#ifndef INCLUDE__INTEL_PT_LOG_H__
#define INCLUDE__INTEL_PT_LOG_H__
+#include <linux/compiler.h>
#include <stdint.h>
#include <inttypes.h>
@@ -34,8 +35,7 @@ void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);
void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,
uint64_t ip);
-__attribute__((format(printf, 1, 2)))
-void __intel_pt_log(const char *fmt, ...);
+void __intel_pt_log(const char *fmt, ...) __printf(1, 2);
#define intel_pt_log(fmt, ...) \
do { \
diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
index 3738426..5812947 100644
--- a/tools/perf/util/probe-event.h
+++ b/tools/perf/util/probe-event.h
@@ -1,6 +1,7 @@
#ifndef _PROBE_EVENT_H
#define _PROBE_EVENT_H
+#include <linux/compiler.h>
#include <stdbool.h>
#include "intlist.h"
@@ -171,8 +172,7 @@ void arch__fix_tev_from_maps(struct perf_probe_event *pev,
struct symbol *sym);
/* If there is no space to write, returns -E2BIG. */
-int e_snprintf(char *str, size_t size, const char *format, ...)
- __attribute__((format(printf, 3, 4)));
+int e_snprintf(char *str, size_t size, const char *format, ...) __printf(3, 4);
/* Maximum index number of event-name postfix */
#define MAX_EVENT_INDEX 1024
diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h
index 318424e..802d743 100644
--- a/tools/perf/util/strbuf.h
+++ b/tools/perf/util/strbuf.h
@@ -42,6 +42,7 @@
#include <stdarg.h>
#include <stddef.h>
#include <string.h>
+#include <linux/compiler.h>
#include <sys/types.h>
extern char strbuf_slopbuf[];
@@ -85,8 +86,7 @@ static inline int strbuf_addstr(struct strbuf *sb, const char *s) {
return strbuf_add(sb, s, strlen(s));
}
-__attribute__((format(printf,2,3)))
-int strbuf_addf(struct strbuf *sb, const char *fmt, ...);
+int strbuf_addf(struct strbuf *sb, const char *fmt, ...) __printf(2, 3);
/* XXX: if read fails, any partial read is undone */
ssize_t strbuf_read(struct strbuf *, int fd, ssize_t hint);
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 024b108..21c6db1 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -14,17 +14,11 @@
#include <linux/compiler.h>
#include <linux/types.h>
-#ifndef __GNUC__
-#ifndef __attribute__
-#define __attribute__(x)
-#endif
-#endif
-
/* General helper functions */
void usage(const char *err) __noreturn;
-void die(const char *err, ...) __noreturn __attribute__((format (printf, 1, 2)));
-int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
-void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
+void die(const char *err, ...) __noreturn __printf(1, 2);
+int error(const char *err, ...) __printf(1, 2);
+void warning(const char *err, ...) __printf(1, 2);
void set_warning_routine(void (*routine)(const char *err, va_list params));
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