diff options
| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /tools/perf/arch/x86/util/unwind-libunwind.c | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'tools/perf/arch/x86/util/unwind-libunwind.c')
| -rw-r--r-- | tools/perf/arch/x86/util/unwind-libunwind.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c new file mode 100644 index 000000000000..3261f68c6a7c --- /dev/null +++ b/tools/perf/arch/x86/util/unwind-libunwind.c @@ -0,0 +1,111 @@ + +#include <errno.h> +#include <libunwind.h> +#include "perf_regs.h" +#include "../../util/unwind.h" + +#ifdef HAVE_ARCH_X86_64_SUPPORT +int libunwind__arch_reg_id(int regnum) +{ + int id; + + switch (regnum) { + case UNW_X86_64_RAX: + id = PERF_REG_X86_AX; + break; + case UNW_X86_64_RDX: + id = PERF_REG_X86_DX; + break; + case UNW_X86_64_RCX: + id = PERF_REG_X86_CX; + break; + case UNW_X86_64_RBX: + id = PERF_REG_X86_BX; + break; + case UNW_X86_64_RSI: + id = PERF_REG_X86_SI; + break; + case UNW_X86_64_RDI: + id = PERF_REG_X86_DI; + break; + case UNW_X86_64_RBP: + id = PERF_REG_X86_BP; + break; + case UNW_X86_64_RSP: + id = PERF_REG_X86_SP; + break; + case UNW_X86_64_R8: + id = PERF_REG_X86_R8; + break; + case UNW_X86_64_R9: + id = PERF_REG_X86_R9; + break; + case UNW_X86_64_R10: + id = PERF_REG_X86_R10; + break; + case UNW_X86_64_R11: + id = PERF_REG_X86_R11; + break; + case UNW_X86_64_R12: + id = PERF_REG_X86_R12; + break; + case UNW_X86_64_R13: + id = PERF_REG_X86_R13; + break; + case UNW_X86_64_R14: + id = PERF_REG_X86_R14; + break; + case UNW_X86_64_R15: + id = PERF_REG_X86_R15; + break; + case UNW_X86_64_RIP: + id = PERF_REG_X86_IP; + break; + default: + pr_err("unwind: invalid reg id %d\n", regnum); + return -EINVAL; + } + + return id; +} +#else +int libunwind__arch_reg_id(int regnum) +{ + int id; + + switch (regnum) { + case UNW_X86_EAX: + id = PERF_REG_X86_AX; + break; + case UNW_X86_EDX: + id = PERF_REG_X86_DX; + break; + case UNW_X86_ECX: + id = PERF_REG_X86_CX; + break; + case UNW_X86_EBX: + id = PERF_REG_X86_BX; + break; + case UNW_X86_ESI: + id = PERF_REG_X86_SI; + break; + case UNW_X86_EDI: + id = PERF_REG_X86_DI; + break; + case UNW_X86_EBP: + id = PERF_REG_X86_BP; + break; + case UNW_X86_ESP: + id = PERF_REG_X86_SP; + break; + case UNW_X86_EIP: + id = PERF_REG_X86_IP; + break; + default: + pr_err("unwind: invalid reg id %d\n", regnum); + return -EINVAL; + } + + return id; +} +#endif /* HAVE_ARCH_X86_64_SUPPORT */ |