Messages in this thread Patch in this message | | | From | Ramkumar Ramachandra <> | Subject | [PATCH v2] perf tools: use ansi versions of asm and volatile | Date | Tue, 15 Oct 2013 16:49:20 +0530 |
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asm and volatile are provided for backward compatibility; use the ansi versions __asm__ and __volatile__.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> --- Thanks to Peter for pointing out the instances I missed.
tools/perf/arch/powerpc/util/header.c | 2 +- tools/perf/perf.h | 54 +++++++++++++++++------------------ tools/perf/tests/perf-time-to-tsc.c | 2 +- tools/perf/tests/rdpmc.c | 6 ++-- 4 files changed, 32 insertions(+), 32 deletions(-)
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c index 2f7073d..4b0a302 100644 --- a/tools/perf/arch/powerpc/util/header.c +++ b/tools/perf/arch/powerpc/util/header.c @@ -10,7 +10,7 @@ #define __stringify(x) __stringify_1(x) #define mfspr(rn) ({unsigned long rval; \ - asm volatile("mfspr %0," __stringify(rn) \ + __asm__ __volatile__("mfspr %0," __stringify(rn) \ : "=r" (rval)); rval; }) #define SPRN_PVR 0x11F /* Processor Version Register */ diff --git a/tools/perf/perf.h b/tools/perf/perf.h index cf20187..6c447db 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -4,8 +4,8 @@ #include <asm/unistd.h> #if defined(__i386__) -#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory") -#define cpu_relax() asm volatile("rep; nop" ::: "memory"); +#define rmb() __asm__ __volatile__("lock; addl $0,0(%%esp)" ::: "memory") +#define cpu_relax() __asm__ __volatile__("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" #ifndef __NR_perf_event_open # define __NR_perf_event_open 336 @@ -13,8 +13,8 @@ #endif #if defined(__x86_64__) -#define rmb() asm volatile("lfence" ::: "memory") -#define cpu_relax() asm volatile("rep; nop" ::: "memory"); +#define rmb() __asm__ __volatile__("lfence" ::: "memory") +#define cpu_relax() __asm__ __volatile__("rep; nop" ::: "memory"); #define CPUINFO_PROC "model name" #ifndef __NR_perf_event_open # define __NR_perf_event_open 298 @@ -23,47 +23,47 @@ #ifdef __powerpc__ #include "../../arch/powerpc/include/uapi/asm/unistd.h" -#define rmb() asm volatile ("sync" ::: "memory") -#define cpu_relax() asm volatile ("" ::: "memory"); +#define rmb() __asm__ __volatile__ ("sync" ::: "memory") +#define cpu_relax() __asm__ __volatile__ ("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __s390__ -#define rmb() asm volatile("bcr 15,0" ::: "memory") -#define cpu_relax() asm volatile("" ::: "memory"); +#define rmb() __asm__ __volatile__("bcr 15,0" ::: "memory") +#define cpu_relax() __asm__ __volatile__("" ::: "memory"); #endif #ifdef __sh__ #if defined(__SH4A__) || defined(__SH5__) -# define rmb() asm volatile("synco" ::: "memory") +# define rmb() __asm__ __volatile__("synco" ::: "memory") #else -# define rmb() asm volatile("" ::: "memory") +# define rmb() __asm__ __volatile__("" ::: "memory") #endif -#define cpu_relax() asm volatile("" ::: "memory") +#define cpu_relax() __asm__ __volatile__("" ::: "memory") #define CPUINFO_PROC "cpu type" #endif #ifdef __hppa__ -#define rmb() asm volatile("" ::: "memory") -#define cpu_relax() asm volatile("" ::: "memory"); +#define rmb() __asm__ __volatile__("" ::: "memory") +#define cpu_relax() __asm__ __volatile__("" ::: "memory"); #define CPUINFO_PROC "cpu" #endif #ifdef __sparc__ -#define rmb() asm volatile("":::"memory") -#define cpu_relax() asm volatile("":::"memory") +#define rmb() __asm__ __volatile__("":::"memory") +#define cpu_relax() __asm__ __volatile__("":::"memory") #define CPUINFO_PROC "cpu" #endif #ifdef __alpha__ -#define rmb() asm volatile("mb" ::: "memory") -#define cpu_relax() asm volatile("" ::: "memory") +#define rmb() __asm__ __volatile__("mb" ::: "memory") +#define cpu_relax() __asm__ __volatile__("" ::: "memory") #define CPUINFO_PROC "cpu model" #endif #ifdef __ia64__ -#define rmb() asm volatile ("mf" ::: "memory") -#define cpu_relax() asm volatile ("hint @pause" ::: "memory") +#define rmb() __asm__ __volatile__ ("mf" ::: "memory") +#define cpu_relax() __asm__ __volatile__ ("hint @pause" ::: "memory") #define CPUINFO_PROC "model name" #endif @@ -73,36 +73,36 @@ * arch/arm/kernel/entry-armv.S in the kernel source for details. */ #define rmb() ((void(*)(void))0xffff0fa0)() -#define cpu_relax() asm volatile("":::"memory") +#define cpu_relax() __asm__ __volatile__("":::"memory") #define CPUINFO_PROC "Processor" #endif #ifdef __aarch64__ -#define rmb() asm volatile("dmb ld" ::: "memory") -#define cpu_relax() asm volatile("yield" ::: "memory") +#define rmb() __asm__ __volatile__("dmb ld" ::: "memory") +#define cpu_relax() __asm__ __volatile__("yield" ::: "memory") #endif #ifdef __mips__ -#define rmb() asm volatile( \ +#define rmb() __asm__ __volatile__( \ ".set mips2\n\t" \ "sync\n\t" \ ".set mips0" \ : /* no output */ \ : /* no input */ \ : "memory") -#define cpu_relax() asm volatile("" ::: "memory") +#define cpu_relax() __asm__ __volatile__("" ::: "memory") #define CPUINFO_PROC "cpu model" #endif #ifdef __arc__ -#define rmb() asm volatile("" ::: "memory") +#define rmb() __asm__ __volatile__("" ::: "memory") #define cpu_relax() rmb() #define CPUINFO_PROC "Processor" #endif #ifdef __metag__ -#define rmb() asm volatile("" ::: "memory") -#define cpu_relax() asm volatile("" ::: "memory") +#define rmb() __asm__ __volatile__("" ::: "memory") +#define cpu_relax() __asm__ __volatile__("" ::: "memory") #define CPUINFO_PROC "CPU" #endif diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c index 0ab61b1..3fc1bc3 100644 --- a/tools/perf/tests/perf-time-to-tsc.c +++ b/tools/perf/tests/perf-time-to-tsc.c @@ -31,7 +31,7 @@ static u64 rdtsc(void) { unsigned int low, high; - asm volatile("rdtsc" : "=a" (low), "=d" (high)); + __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)); return low | ((u64)high) << 32; } diff --git a/tools/perf/tests/rdpmc.c b/tools/perf/tests/rdpmc.c index ff94886..3e906e1 100644 --- a/tools/perf/tests/rdpmc.c +++ b/tools/perf/tests/rdpmc.c @@ -9,13 +9,13 @@ #if defined(__x86_64__) || defined(__i386__) -#define barrier() asm volatile("" ::: "memory") +#define barrier() __asm__ __volatile__("" ::: "memory") static u64 rdpmc(unsigned int counter) { unsigned int low, high; - asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); + __asm__ __volatile__("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); return low | ((u64)high) << 32; } @@ -24,7 +24,7 @@ static u64 rdtsc(void) { unsigned int low, high; - asm volatile("rdtsc" : "=a" (low), "=d" (high)); + __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)); return low | ((u64)high) << 32; } -- 1.8.4.477.g5d89aa9
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