| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * dwarf-regs.c : Mapping of DWARF debug register numbers into register names. |
| * |
| * Written by: Masami Hiramatsu <mhiramat@kernel.org> |
| */ |
| |
| #include <debug.h> |
| #include <dwarf-regs.h> |
| #include <elf.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" |
| #include "../arch/arm/include/dwarf-regs-table.h" |
| #include "../arch/arm64/include/dwarf-regs-table.h" |
| #include "../arch/sh/include/dwarf-regs-table.h" |
| #include "../arch/powerpc/include/dwarf-regs-table.h" |
| #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) |
| |
| /* Return architecture dependent register string (for kprobe-tracer) */ |
| const char *get_dwarf_regstr(unsigned int n, unsigned int machine) |
| { |
| switch (machine) { |
| case EM_NONE: /* Generic arch - use host arch */ |
| return get_arch_regstr(n); |
| case EM_386: |
| return __get_dwarf_regstr(x86_32_regstr_tbl, n); |
| case EM_X86_64: |
| return __get_dwarf_regstr(x86_64_regstr_tbl, n); |
| case EM_ARM: |
| return __get_dwarf_regstr(arm_regstr_tbl, n); |
| case EM_AARCH64: |
| return __get_dwarf_regstr(aarch64_regstr_tbl, n); |
| case EM_SH: |
| return __get_dwarf_regstr(sh_regstr_tbl, n); |
| case EM_S390: |
| return __get_dwarf_regstr(s390_regstr_tbl, n); |
| case EM_PPC: |
| case EM_PPC64: |
| return __get_dwarf_regstr(powerpc_regstr_tbl, n); |
| case EM_SPARC: |
| case EM_SPARCV9: |
| 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; |
| } |
