1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 2293d5b43SMasami Hiramatsu /* 3293d5b43SMasami Hiramatsu * dwarf-regs.c : Mapping of DWARF debug register numbers into register names. 4293d5b43SMasami Hiramatsu * 5293d5b43SMasami Hiramatsu * Written by: Masami Hiramatsu <mhiramat@kernel.org> 6293d5b43SMasami Hiramatsu */ 7293d5b43SMasami Hiramatsu 8293d5b43SMasami Hiramatsu #include <debug.h> 9293d5b43SMasami Hiramatsu #include <dwarf-regs.h> 10293d5b43SMasami Hiramatsu #include <elf.h> 11877a7a11SArnaldo Carvalho de Melo #include <linux/kernel.h> 12293d5b43SMasami Hiramatsu 13293d5b43SMasami Hiramatsu #ifndef EM_AARCH64 14293d5b43SMasami Hiramatsu #define EM_AARCH64 183 /* ARM 64 bit */ 15293d5b43SMasami Hiramatsu #endif 16293d5b43SMasami Hiramatsu 17293d5b43SMasami Hiramatsu /* Define const char * {arch}_register_tbl[] */ 18293d5b43SMasami Hiramatsu #define DEFINE_DWARF_REGSTR_TABLE 19293d5b43SMasami Hiramatsu #include "../arch/x86/include/dwarf-regs-table.h" 20293d5b43SMasami Hiramatsu #include "../arch/arm/include/dwarf-regs-table.h" 21293d5b43SMasami Hiramatsu #include "../arch/arm64/include/dwarf-regs-table.h" 22293d5b43SMasami Hiramatsu #include "../arch/sh/include/dwarf-regs-table.h" 23293d5b43SMasami Hiramatsu #include "../arch/powerpc/include/dwarf-regs-table.h" 24293d5b43SMasami Hiramatsu #include "../arch/s390/include/dwarf-regs-table.h" 25293d5b43SMasami Hiramatsu #include "../arch/sparc/include/dwarf-regs-table.h" 26293d5b43SMasami Hiramatsu #include "../arch/xtensa/include/dwarf-regs-table.h" 27*b5f184fbSTiezhu Yang #include "../arch/mips/include/dwarf-regs-table.h" 28293d5b43SMasami Hiramatsu 29293d5b43SMasami Hiramatsu #define __get_dwarf_regstr(tbl, n) (((n) < ARRAY_SIZE(tbl)) ? (tbl)[(n)] : NULL) 30293d5b43SMasami Hiramatsu 31293d5b43SMasami Hiramatsu /* Return architecture dependent register string (for kprobe-tracer) */ 32293d5b43SMasami Hiramatsu const char *get_dwarf_regstr(unsigned int n, unsigned int machine) 33293d5b43SMasami Hiramatsu { 34293d5b43SMasami Hiramatsu switch (machine) { 35293d5b43SMasami Hiramatsu case EM_NONE: /* Generic arch - use host arch */ 36293d5b43SMasami Hiramatsu return get_arch_regstr(n); 37293d5b43SMasami Hiramatsu case EM_386: 38293d5b43SMasami Hiramatsu return __get_dwarf_regstr(x86_32_regstr_tbl, n); 39293d5b43SMasami Hiramatsu case EM_X86_64: 40293d5b43SMasami Hiramatsu return __get_dwarf_regstr(x86_64_regstr_tbl, n); 41293d5b43SMasami Hiramatsu case EM_ARM: 42293d5b43SMasami Hiramatsu return __get_dwarf_regstr(arm_regstr_tbl, n); 43293d5b43SMasami Hiramatsu case EM_AARCH64: 44293d5b43SMasami Hiramatsu return __get_dwarf_regstr(aarch64_regstr_tbl, n); 45293d5b43SMasami Hiramatsu case EM_SH: 46293d5b43SMasami Hiramatsu return __get_dwarf_regstr(sh_regstr_tbl, n); 47293d5b43SMasami Hiramatsu case EM_S390: 48293d5b43SMasami Hiramatsu return __get_dwarf_regstr(s390_regstr_tbl, n); 49293d5b43SMasami Hiramatsu case EM_PPC: 50293d5b43SMasami Hiramatsu case EM_PPC64: 51293d5b43SMasami Hiramatsu return __get_dwarf_regstr(powerpc_regstr_tbl, n); 52293d5b43SMasami Hiramatsu case EM_SPARC: 53293d5b43SMasami Hiramatsu case EM_SPARCV9: 54293d5b43SMasami Hiramatsu return __get_dwarf_regstr(sparc_regstr_tbl, n); 55293d5b43SMasami Hiramatsu case EM_XTENSA: 56293d5b43SMasami Hiramatsu return __get_dwarf_regstr(xtensa_regstr_tbl, n); 57*b5f184fbSTiezhu Yang case EM_MIPS: 58*b5f184fbSTiezhu Yang return __get_dwarf_regstr(mips_regstr_tbl, n); 59293d5b43SMasami Hiramatsu default: 60293d5b43SMasami Hiramatsu pr_err("ELF MACHINE %x is not supported.\n", machine); 61293d5b43SMasami Hiramatsu } 62293d5b43SMasami Hiramatsu return NULL; 63293d5b43SMasami Hiramatsu } 64