diff options
Diffstat (limited to 'tools/perf/util/dwarf-regs.c')
| -rw-r--r-- | tools/perf/util/dwarf-regs.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/util/dwarf-regs.c b/tools/perf/util/dwarf-regs.c index 86b3ef638fbb..eac99a246737 100644 --- a/tools/perf/util/dwarf-regs.c +++ b/tools/perf/util/dwarf-regs.c @@ -32,9 +32,17 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine, unsigned int flags __maybe_unused) { +#if EM_HOST == EM_X86_64 || EM_HOST == EM_386 + if (machine == EM_NONE) { + /* Generic arch - use host arch */ + machine = EM_HOST; + } +#endif switch (machine) { +#if EM_HOST != EM_X86_64 && EM_HOST != EM_386 case EM_NONE: /* Generic arch - use host arch */ return get_arch_regstr(n); +#endif case EM_386: return __get_dwarf_regstr(x86_32_regstr_tbl, n); case EM_X86_64: @@ -65,10 +73,12 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine, return NULL; } +#if EM_HOST != EM_X86_64 && EM_HOST != EM_386 __weak int get_arch_regnum(const char *name __maybe_unused) { return -ENOTSUP; } +#endif /* Return DWARF register number from architecture register name */ int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags __maybe_unused) @@ -90,9 +100,16 @@ int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags machine = EM_HOST; } switch (machine) { +#if EM_HOST != EM_X86_64 && EM_HOST != EM_386 case EM_HOST: reg = get_arch_regnum(regname); break; +#endif + case EM_X86_64: + fallthrough; + case EM_386: + reg = get_x86_regnum(regname); + break; default: pr_err("ELF MACHINE %x is not supported.\n", machine); } |