Messages in this thread Patch in this message | | | From | He Kuang <> | Subject | [RFC PATCH 2/6] perf bpf: Add pt_regs convert table for x86 | Date | Tue, 5 May 2015 10:10:08 +0000 |
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Convert register number in debuginfo to its index in pt_regs.
Signed-off-by: He Kuang <hekuang@huawei.com> --- tools/perf/arch/x86/util/dwarf-regs.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c index be22dd4..e586a47 100644 --- a/tools/perf/arch/x86/util/dwarf-regs.c +++ b/tools/perf/arch/x86/util/dwarf-regs.c @@ -59,10 +59,31 @@ const char *x86_64_regs_table[X86_64_MAX_REGS] = { "%r15", }; +const char x86_64_pt_regs_table[X86_64_MAX_REGS] = { + 10, + 12, + 11, + 5, + 13, + 14, + 4, + 19, + 9, + 8, + 7, + 6, + 3, + 2, + 1, + 0, +}; + /* TODO: switching by dwarf address size */ #ifdef __x86_64__ #define ARCH_MAX_REGS X86_64_MAX_REGS #define arch_regs_table x86_64_regs_table +#define arch_pt_regs_table x86_64_pt_regs_table +#define arch_pt_regs_type unsigned long #else #define ARCH_MAX_REGS X86_32_MAX_REGS #define arch_regs_table x86_32_regs_table @@ -73,3 +94,13 @@ const char *get_arch_regstr(unsigned int n) { return (n <= ARCH_MAX_REGS) ? arch_regs_table[n] : NULL; } + +char get_arch_pt_regs(unsigned int n) +{ + return (n <= ARCH_MAX_REGS) ? arch_pt_regs_table[n] : -1; +} + +int get_arch_pt_regs_size(void) +{ + return sizeof(arch_pt_regs_type); +} -- 1.8.5.2
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