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Message-Id: <20170419161723.21011-13-acme@kernel.org>
Date:   Wed, 19 Apr 2017 13:17:07 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 12/28] perf tools: Replace STR() calls with __stringify()

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Both do the same thing, the later is the one we get from
linux/stringify.h, i.e. we now use the same function name/practice as
the kernel sources.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-w2sxa5o4bfx7fjrd5mu4zmke@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/arch/arm/util/dwarf-regs.c     | 4 ++--
 tools/perf/arch/arm64/util/dwarf-regs.c   | 3 ++-
 tools/perf/arch/powerpc/util/dwarf-regs.c | 5 +++--
 tools/perf/util/cgroup.c                  | 5 +++--
 tools/perf/util/jitdump.c                 | 3 ++-
 tools/perf/util/util.h                    | 3 ---
 6 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/tools/perf/arch/arm/util/dwarf-regs.c b/tools/perf/arch/arm/util/dwarf-regs.c
index 33ec5b339da8..8bb176a37990 100644
--- a/tools/perf/arch/arm/util/dwarf-regs.c
+++ b/tools/perf/arch/arm/util/dwarf-regs.c
@@ -9,6 +9,7 @@
  */
 
 #include <stddef.h>
+#include <linux/stringify.h>
 #include <dwarf-regs.h>
 
 struct pt_regs_dwarfnum {
@@ -16,10 +17,9 @@ struct pt_regs_dwarfnum {
 	unsigned int dwarfnum;
 };
 
-#define STR(s) #s
 #define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
 #define GPR_DWARFNUM_NAME(num) \
-	{.name = STR(%r##num), .dwarfnum = num}
+	{.name = __stringify(%r##num), .dwarfnum = num}
 #define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
 
 /*
diff --git a/tools/perf/arch/arm64/util/dwarf-regs.c b/tools/perf/arch/arm64/util/dwarf-regs.c
index 068b6189157b..aea610c292e6 100644
--- a/tools/perf/arch/arm64/util/dwarf-regs.c
+++ b/tools/perf/arch/arm64/util/dwarf-regs.c
@@ -11,6 +11,7 @@
 #include <stddef.h>
 #include <dwarf-regs.h>
 #include <linux/ptrace.h> /* for struct user_pt_regs */
+#include <linux/stringify.h>
 #include "util.h"
 
 struct pt_regs_dwarfnum {
@@ -20,7 +21,7 @@ struct pt_regs_dwarfnum {
 
 #define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num}
 #define GPR_DWARFNUM_NAME(num) \
-	{.name = STR(%x##num), .dwarfnum = num}
+	{.name = __stringify(%x##num), .dwarfnum = num}
 #define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0}
 #define DWARFNUM2OFFSET(index) \
 	(index * sizeof((struct user_pt_regs *)0)->regs[0])
diff --git a/tools/perf/arch/powerpc/util/dwarf-regs.c b/tools/perf/arch/powerpc/util/dwarf-regs.c
index 41bdf9530d82..98ac87052a74 100644
--- a/tools/perf/arch/powerpc/util/dwarf-regs.c
+++ b/tools/perf/arch/powerpc/util/dwarf-regs.c
@@ -15,6 +15,7 @@
 #include <dwarf-regs.h>
 #include <linux/ptrace.h>
 #include <linux/kernel.h>
+#include <linux/stringify.h>
 #include "util.h"
 
 struct pt_regs_dwarfnum {
@@ -24,10 +25,10 @@ struct pt_regs_dwarfnum {
 };
 
 #define REG_DWARFNUM_NAME(r, num)					\
-		{.name = STR(%)STR(r), .dwarfnum = num,			\
+		{.name = __stringify(%)__stringify(r), .dwarfnum = num,			\
 		.ptregs_offset = offsetof(struct pt_regs, r)}
 #define GPR_DWARFNUM_NAME(num)						\
-		{.name = STR(%gpr##num), .dwarfnum = num,		\
+		{.name = __stringify(%gpr##num), .dwarfnum = num,		\
 		.ptregs_offset = offsetof(struct pt_regs, gpr[num])}
 #define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0, .ptregs_offset = 0}
 
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 86399eda3684..03347748f3fa 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -4,6 +4,7 @@
 #include "evsel.h"
 #include "cgroup.h"
 #include "evlist.h"
+#include <linux/stringify.h>
 
 int nr_cgroups;
 
@@ -27,8 +28,8 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
 	path_v1[0] = '\0';
 	path_v2[0] = '\0';
 
-	while (fscanf(fp, "%*s %"STR(PATH_MAX)"s %"STR(PATH_MAX)"s %"
-				STR(PATH_MAX)"s %*d %*d\n",
+	while (fscanf(fp, "%*s %"__stringify(PATH_MAX)"s %"__stringify(PATH_MAX)"s %"
+				__stringify(PATH_MAX)"s %*d %*d\n",
 				mountpoint, type, tokens) == 3) {
 
 		if (!path_v1[0] && !strcmp(type, "cgroup")) {
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c
index c9a941ef0f6d..da6262dbe9e3 100644
--- a/tools/perf/util/jitdump.c
+++ b/tools/perf/util/jitdump.c
@@ -9,6 +9,7 @@
 #include <byteswap.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
+#include <linux/stringify.h>
 
 #include "util.h"
 #include "event.h"
@@ -181,7 +182,7 @@ jit_open(struct jit_buf_desc *jd, const char *name)
 			jd->use_arch_timestamp);
 
 	if (header.version > JITHEADER_VERSION) {
-		pr_err("wrong jitdump version %u, expected " STR(JITHEADER_VERSION),
+		pr_err("wrong jitdump version %u, expected " __stringify(JITHEADER_VERSION),
 			header.version);
 		goto error;
 	}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 593a24192924..aa35509464b5 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -180,9 +180,6 @@ struct perf_event_attr;
 
 void event_attr_init(struct perf_event_attr *attr);
 
-#define _STR(x) #x
-#define STR(x) _STR(x)
-
 size_t hex_width(u64 v);
 int hex2u64(const char *ptr, u64 *val);
 
-- 
2.9.3

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