Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 10/16] perf, tool: Add interface to arch registers sets | Date | Wed, 23 May 2012 21:32:09 +0200 |
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Adding header files to access unified API for arch registers.
In addition adding a way to obtain register name based on the API ID value.
Also adding PERF_REGS_MASK macro with mask definition of all current arch registers (will be used in unwind patches).
Signed-off-by: Jiri Olsa <jolsa@redhat.com> --- tools/perf/Makefile | 13 ++++- tools/perf/arch/x86/include/perf_regs.h | 108 +++++++++++++++++++++++++++++++ tools/perf/util/perf_regs.h | 19 ++++++ 3 files changed, 139 insertions(+), 1 deletions(-) create mode 100644 tools/perf/arch/x86/include/perf_regs.h create mode 100644 tools/perf/util/perf_regs.h
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index cf5c71e..44b99bb 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -50,13 +50,15 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ -e s/s390x/s390/ -e s/parisc64/parisc/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ -e s/sh[234].*/sh/ ) +NO_PERF_REGS_DEFS := 1 CC = $(CROSS_COMPILE)gcc AR = $(CROSS_COMPILE)ar # Additional ARCH settings for x86 ifeq ($(ARCH),i386) - ARCH := x86 + ARCH := x86 + NO_PERF_REGS_DEFS := 0 endif ifeq ($(ARCH),x86_64) ARCH := x86 @@ -69,6 +71,7 @@ ifeq ($(ARCH),x86_64) ARCH_CFLAGS := -DARCH_X86_64 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S endif + NO_PERF_REGS_DEFS := 0 endif # Treat warnings as errors unless directed not to @@ -320,6 +323,7 @@ LIB_H += util/cgroup.h LIB_H += $(TRACE_EVENT_DIR)event-parse.h LIB_H += util/target.h LIB_H += util/vdso.h +LIB_H += util/perf_regs.h LIB_OBJS += $(OUTPUT)util/abspath.o LIB_OBJS += $(OUTPUT)util/alias.o @@ -665,6 +669,13 @@ else endif endif +ifeq ($(NO_PERF_REGS_DEFS),0) + ifeq ($(ARCH),x86) + LIB_H += arch/x86/include/perf_regs.h + endif +else + BASIC_CFLAGS += -DNO_PERF_REGS_DEFS +endif ifdef NO_STRLCPY BASIC_CFLAGS += -DNO_STRLCPY diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h new file mode 100644 index 0000000..d6070ec --- /dev/null +++ b/tools/perf/arch/x86/include/perf_regs.h @@ -0,0 +1,108 @@ +#ifndef ARCH_PERF_REGS_H +#define ARCH_PERF_REGS_H + +#include <stdlib.h> +#include "../../util/types.h" + +#ifdef ARCH_X86_64 +#include "../../../../../arch/x86/include/asm/perf_regs_64.h" + +#define PERF_REGS_MASK ((1 << PERF_X86_64_REG_MAX) - 1) +#define PERF_REG_IP PERF_X86_64_REG_RIP +#define PERF_REG_SP PERF_X86_64_REG_RSP + +static inline const char *perf_reg_name(int id) +{ + switch (id) { + case PERF_X86_64_REG_RAX: + return "RAX"; + case PERF_X86_64_REG_RBX: + return "RBX"; + case PERF_X86_64_REG_RCX: + return "RCX"; + case PERF_X86_64_REG_RDX: + return "RDX"; + case PERF_X86_64_REG_RSI: + return "RSI"; + case PERF_X86_64_REG_RDI: + return "RDI"; + case PERF_X86_64_REG_R8: + return "R8"; + case PERF_X86_64_REG_R9: + return "R9"; + case PERF_X86_64_REG_R10: + return "R10"; + case PERF_X86_64_REG_R11: + return "R11"; + case PERF_X86_64_REG_R12: + return "R12"; + case PERF_X86_64_REG_R13: + return "R13"; + case PERF_X86_64_REG_R14: + return "R14"; + case PERF_X86_64_REG_R15: + return "R15"; + case PERF_X86_64_REG_RBP: + return "RBP"; + case PERF_X86_64_REG_RSP: + return "RSP"; + case PERF_X86_64_REG_RIP: + return "RIP"; + case PERF_X86_64_REG_FLAGS: + return "FLAGS"; + case PERF_X86_64_REG_CS: + return "CS"; + case PERF_X86_64_REG_SS: + return "SS"; + default: + return NULL; + } + return NULL; +} +#else +#include "../../../../../arch/x86/include/asm/perf_regs_32.h" + +#define PERF_REGS_MASK ((1 << PERF_X86_32_REG_MAX) - 1) +#define PERF_REG_IP PERF_X86_32_REG_EIP +#define PERF_REG_SP PERF_X86_32_REG_ESP + +static inline const char *perf_reg_name(int id) +{ + switch (id) { + case PERF_X86_32_REG_EAX: + return "EAX"; + case PERF_X86_32_REG_EBX: + return "EBX"; + case PERF_X86_32_REG_ECX: + return "ECX"; + case PERF_X86_32_REG_EDX: + return "EDX"; + case PERF_X86_32_REG_ESI: + return "ESI"; + case PERF_X86_32_REG_EDI: + return "EDI"; + case PERF_X86_32_REG_EBP: + return "EBP"; + case PERF_X86_32_REG_ESP: + return "ESP"; + case PERF_X86_32_REG_EIP: + return "EIP"; + case PERF_X86_32_REG_FLAGS: + return "FLAGS"; + case PERF_X86_32_REG_CS: + return "CS"; + case PERF_X86_32_REG_DS: + return "DS"; + case PERF_X86_32_REG_ES: + return "ES"; + case PERF_X86_32_REG_FS: + return "FS"; + case PERF_X86_32_REG_GS: + return "GS"; + default: + return NULL; + } + return NULL; +} +#endif /* ARCH_X86_64 */ +#endif /* ARCH_PERF_REGS_H */ diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h new file mode 100644 index 0000000..d65cbf9 --- /dev/null +++ b/tools/perf/util/perf_regs.h @@ -0,0 +1,19 @@ +#ifndef __PERF_REGS_H +#define __PERF_REGS_H + +#ifndef NO_PERF_REGS_DEFS +#include <perf_regs.h> +#else +#define PERF_REGS_MASK 0 + +static inline const char *perf_reg_name(int id __used) +{ + return NULL; +} + +static inline unsigned long perf_reg_version(void) +{ + return 0; +} +#endif /* NO_PERF_REGS_DEFS */ +#endif /* __PERF_REGS_H */ -- 1.7.7.6
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