Commit-ID: c5e991ee9dff0f8136168ed2d0d1a8cc3620dac4
Gitweb: http://git.kernel.org/tip/c5e991ee9dff0f8136168ed2d0d1a8cc3620dac4
Author: Stephane Eranian <eranian@xxxxxxxxxx>
AuthorDate: Mon, 31 Aug 2015 18:41:11 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 31 Aug 2015 17:56:37 -0300
perf/x86: Add list of register names
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@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1441039273-16260-3-git-send-email-eranian@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/arch/x86/util/Build | 1 +
tools/perf/arch/x86/util/perf_regs.c | 30 ++++++++++++++++++++++++++++++
tools/perf/util/perf_regs.h | 7 +++++++
3 files changed, 38 insertions(+)
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..087c84e
--- /dev/null
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -0,0 +1,30 @@
+#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>
--
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