1293d5b43SMasami Hiramatsu /* 2293d5b43SMasami Hiramatsu * dwarf-regs.c : Mapping of DWARF debug register numbers into register names. 3293d5b43SMasami Hiramatsu * 4293d5b43SMasami Hiramatsu * Written by: Masami Hiramatsu <mhiramat@kernel.org> 5293d5b43SMasami Hiramatsu */ 6293d5b43SMasami Hiramatsu 7293d5b43SMasami Hiramatsu #include <util.h> 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" 27293d5b43SMasami Hiramatsu 28293d5b43SMasami Hiramatsu #define __get_dwarf_regstr(tbl, n) (((n) < ARRAY_SIZE(tbl)) ? (tbl)[(n)] : NULL) 29293d5b43SMasami Hiramatsu 30293d5b43SMasami Hiramatsu /* Return architecture dependent register string (for kprobe-tracer) */ 31293d5b43SMasami Hiramatsu const char *get_dwarf_regstr(unsigned int n, unsigned int machine) 32293d5b43SMasami Hiramatsu { 33293d5b43SMasami Hiramatsu switch (machine) { 34293d5b43SMasami Hiramatsu case EM_NONE: /* Generic arch - use host arch */ 35293d5b43SMasami Hiramatsu return get_arch_regstr(n); 36293d5b43SMasami Hiramatsu case EM_386: 37293d5b43SMasami Hiramatsu return __get_dwarf_regstr(x86_32_regstr_tbl, n); 38293d5b43SMasami Hiramatsu case EM_X86_64: 39293d5b43SMasami Hiramatsu return __get_dwarf_regstr(x86_64_regstr_tbl, n); 40293d5b43SMasami Hiramatsu case EM_ARM: 41293d5b43SMasami Hiramatsu return __get_dwarf_regstr(arm_regstr_tbl, n); 42293d5b43SMasami Hiramatsu case EM_AARCH64: 43293d5b43SMasami Hiramatsu return __get_dwarf_regstr(aarch64_regstr_tbl, n); 44293d5b43SMasami Hiramatsu case EM_SH: 45293d5b43SMasami Hiramatsu return __get_dwarf_regstr(sh_regstr_tbl, n); 46293d5b43SMasami Hiramatsu case EM_S390: 47293d5b43SMasami Hiramatsu return __get_dwarf_regstr(s390_regstr_tbl, n); 48293d5b43SMasami Hiramatsu case EM_PPC: 49293d5b43SMasami Hiramatsu case EM_PPC64: 50293d5b43SMasami Hiramatsu return __get_dwarf_regstr(powerpc_regstr_tbl, n); 51293d5b43SMasami Hiramatsu case EM_SPARC: 52293d5b43SMasami Hiramatsu case EM_SPARCV9: 53293d5b43SMasami Hiramatsu return __get_dwarf_regstr(sparc_regstr_tbl, n); 54293d5b43SMasami Hiramatsu case EM_XTENSA: 55293d5b43SMasami Hiramatsu return __get_dwarf_regstr(xtensa_regstr_tbl, n); 56293d5b43SMasami Hiramatsu default: 57293d5b43SMasami Hiramatsu pr_err("ELF MACHINE %x is not supported.\n", machine); 58293d5b43SMasami Hiramatsu } 59293d5b43SMasami Hiramatsu return NULL; 60293d5b43SMasami Hiramatsu } 61