diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/dwarf-regs.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/perf/util/dwarf-regs.c b/tools/perf/util/dwarf-regs.c index 1b49ecee5aff..5b7f86c0063f 100644 --- a/tools/perf/util/dwarf-regs.c +++ b/tools/perf/util/dwarf-regs.c @@ -5,15 +5,22 @@ * Written by: Masami Hiramatsu <mhiramat@kernel.org> */ +#include <stdlib.h> +#include <string.h> #include <debug.h> #include <dwarf-regs.h> #include <elf.h> +#include <errno.h> #include <linux/kernel.h> #ifndef EM_AARCH64 #define EM_AARCH64 183 /* ARM 64 bit */ #endif +#ifndef EM_LOONGARCH +#define EM_LOONGARCH 258 /* LoongArch */ +#endif + /* Define const char * {arch}_register_tbl[] */ #define DEFINE_DWARF_REGSTR_TABLE #include "../arch/x86/include/dwarf-regs-table.h" @@ -24,6 +31,8 @@ #include "../arch/s390/include/dwarf-regs-table.h" #include "../arch/sparc/include/dwarf-regs-table.h" #include "../arch/xtensa/include/dwarf-regs-table.h" +#include "../arch/mips/include/dwarf-regs-table.h" +#include "../arch/loongarch/include/dwarf-regs-table.h" #define __get_dwarf_regstr(tbl, n) (((n) < ARRAY_SIZE(tbl)) ? (tbl)[(n)] : NULL) @@ -53,8 +62,43 @@ const char *get_dwarf_regstr(unsigned int n, unsigned int machine) return __get_dwarf_regstr(sparc_regstr_tbl, n); case EM_XTENSA: return __get_dwarf_regstr(xtensa_regstr_tbl, n); + case EM_MIPS: + return __get_dwarf_regstr(mips_regstr_tbl, n); + case EM_LOONGARCH: + return __get_dwarf_regstr(loongarch_regstr_tbl, n); default: pr_err("ELF MACHINE %x is not supported.\n", machine); } return NULL; } + +__weak int get_arch_regnum(const char *name __maybe_unused) +{ + return -ENOTSUP; +} + +/* Return DWARF register number from architecture register name */ +int get_dwarf_regnum(const char *name, unsigned int machine) +{ + char *regname = strdup(name); + int reg = -1; + char *p; + + if (regname == NULL) + return -EINVAL; + + /* For convenience, remove trailing characters */ + p = strpbrk(regname, " ,)"); + if (p) + *p = '\0'; + + switch (machine) { + case EM_NONE: /* Generic arch - use host arch */ + reg = get_arch_regnum(regname); + break; + default: + pr_err("ELF MACHINE %x is not supported.\n", machine); + } + free(regname); + return reg; +} |