Messages in this thread Patch in this message | | | From | Stephane Eranian <> | Subject | [PATCH v2 2/4] perf/x86: add list of register names | Date | Mon, 31 Aug 2015 18:41:11 +0200 |
| |
This patch adds a way to locate a register identifier (PERF_X86_REG_*) based on its name, e.g., AX.
This will be used by a subsequent patch to improved flexibility of perf record.
Signed-off-by: Stephane Eranian <eranian@google.com> --- tools/perf/arch/x86/util/Build | 1 + tools/perf/arch/x86/util/perf_regs.c | 31 +++++++++++++++++++++++++++++++ tools/perf/util/perf_regs.h | 7 +++++++ 3 files changed, 39 insertions(+) create mode 100644 tools/perf/arch/x86/util/perf_regs.c
diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build index 2c55e1b..ff63649 100644 --- a/tools/perf/arch/x86/util/Build +++ b/tools/perf/arch/x86/util/Build @@ -2,6 +2,7 @@ libperf-y += header.o libperf-y += tsc.o libperf-y += pmu.o libperf-y += kvm-stat.o +libperf-y += perf_regs.o libperf-$(CONFIG_DWARF) += dwarf-regs.o diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c new file mode 100644 index 0000000..3c75faf --- /dev/null +++ b/tools/perf/arch/x86/util/perf_regs.c @@ -0,0 +1,31 @@ +#include "../../perf.h" +#include "../../util/perf_regs.h" + +#define REG(n, b) { .name = #n, .mask = 1ULL << (b) } +#define REG_END { .name = NULL } +const struct sample_reg sample_reg_masks[] = { + REG(AX, PERF_REG_X86_AX), + REG(BX, PERF_REG_X86_BX), + REG(CX, PERF_REG_X86_CX), + REG(DX, PERF_REG_X86_DX), + REG(SI, PERF_REG_X86_SI), + REG(DI, PERF_REG_X86_DI), + REG(BP, PERF_REG_X86_BP), + REG(SP, PERF_REG_X86_SP), + REG(IP, PERF_REG_X86_IP), + REG(FLAGS, PERF_REG_X86_FLAGS), + REG(CS, PERF_REG_X86_CS), + REG(SS, PERF_REG_X86_SS), +#ifdef HAVE_ARCH_X86_64_SUPPORT + REG(R8, PERF_REG_X86_R8), + REG(R9, PERF_REG_X86_R9), + REG(R10, PERF_REG_X86_R10), + REG(R11, PERF_REG_X86_R11), + REG(R12, PERF_REG_X86_R12), + REG(R13, PERF_REG_X86_R13), + REG(R14, PERF_REG_X86_R14), + REG(R15, PERF_REG_X86_R15), +#endif + REG_END +}; + diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h index 980dbf7..92c1fff 100644 --- a/tools/perf/util/perf_regs.h +++ b/tools/perf/util/perf_regs.h @@ -5,6 +5,13 @@ struct regs_dump; +struct sample_reg { + const char *name; + uint64_t mask; +}; + +extern const struct sample_reg sample_reg_masks[]; + #ifdef HAVE_PERF_REGS_SUPPORT #include <perf_regs.h> -- 1.9.1
| |