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
17*2fa5ebe3SHuacai Chen #ifndef EM_LOONGARCH
18*2fa5ebe3SHuacai Chen #define EM_LOONGARCH 258 /* LoongArch */
19*2fa5ebe3SHuacai Chen #endif
20*2fa5ebe3SHuacai Chen
21293d5b43SMasami Hiramatsu /* Define const char * {arch}_register_tbl[] */
22293d5b43SMasami Hiramatsu #define DEFINE_DWARF_REGSTR_TABLE
23293d5b43SMasami Hiramatsu #include "../arch/x86/include/dwarf-regs-table.h"
24293d5b43SMasami Hiramatsu #include "../arch/arm/include/dwarf-regs-table.h"
25293d5b43SMasami Hiramatsu #include "../arch/arm64/include/dwarf-regs-table.h"
26293d5b43SMasami Hiramatsu #include "../arch/sh/include/dwarf-regs-table.h"
27293d5b43SMasami Hiramatsu #include "../arch/powerpc/include/dwarf-regs-table.h"
28293d5b43SMasami Hiramatsu #include "../arch/s390/include/dwarf-regs-table.h"
29293d5b43SMasami Hiramatsu #include "../arch/sparc/include/dwarf-regs-table.h"
30293d5b43SMasami Hiramatsu #include "../arch/xtensa/include/dwarf-regs-table.h"
31b5f184fbSTiezhu Yang #include "../arch/mips/include/dwarf-regs-table.h"
32*2fa5ebe3SHuacai Chen #include "../arch/loongarch/include/dwarf-regs-table.h"
33293d5b43SMasami Hiramatsu
34293d5b43SMasami Hiramatsu #define __get_dwarf_regstr(tbl, n) (((n) < ARRAY_SIZE(tbl)) ? (tbl)[(n)] : NULL)
35293d5b43SMasami Hiramatsu
36293d5b43SMasami Hiramatsu /* Return architecture dependent register string (for kprobe-tracer) */
get_dwarf_regstr(unsigned int n,unsigned int machine)37293d5b43SMasami Hiramatsu const char *get_dwarf_regstr(unsigned int n, unsigned int machine)
38293d5b43SMasami Hiramatsu {
39293d5b43SMasami Hiramatsu switch (machine) {
40293d5b43SMasami Hiramatsu case EM_NONE: /* Generic arch - use host arch */
41293d5b43SMasami Hiramatsu return get_arch_regstr(n);
42293d5b43SMasami Hiramatsu case EM_386:
43293d5b43SMasami Hiramatsu return __get_dwarf_regstr(x86_32_regstr_tbl, n);
44293d5b43SMasami Hiramatsu case EM_X86_64:
45293d5b43SMasami Hiramatsu return __get_dwarf_regstr(x86_64_regstr_tbl, n);
46293d5b43SMasami Hiramatsu case EM_ARM:
47293d5b43SMasami Hiramatsu return __get_dwarf_regstr(arm_regstr_tbl, n);
48293d5b43SMasami Hiramatsu case EM_AARCH64:
49293d5b43SMasami Hiramatsu return __get_dwarf_regstr(aarch64_regstr_tbl, n);
50293d5b43SMasami Hiramatsu case EM_SH:
51293d5b43SMasami Hiramatsu return __get_dwarf_regstr(sh_regstr_tbl, n);
52293d5b43SMasami Hiramatsu case EM_S390:
53293d5b43SMasami Hiramatsu return __get_dwarf_regstr(s390_regstr_tbl, n);
54293d5b43SMasami Hiramatsu case EM_PPC:
55293d5b43SMasami Hiramatsu case EM_PPC64:
56293d5b43SMasami Hiramatsu return __get_dwarf_regstr(powerpc_regstr_tbl, n);
57293d5b43SMasami Hiramatsu case EM_SPARC:
58293d5b43SMasami Hiramatsu case EM_SPARCV9:
59293d5b43SMasami Hiramatsu return __get_dwarf_regstr(sparc_regstr_tbl, n);
60293d5b43SMasami Hiramatsu case EM_XTENSA:
61293d5b43SMasami Hiramatsu return __get_dwarf_regstr(xtensa_regstr_tbl, n);
62b5f184fbSTiezhu Yang case EM_MIPS:
63b5f184fbSTiezhu Yang return __get_dwarf_regstr(mips_regstr_tbl, n);
64*2fa5ebe3SHuacai Chen case EM_LOONGARCH:
65*2fa5ebe3SHuacai Chen return __get_dwarf_regstr(loongarch_regstr_tbl, n);
66293d5b43SMasami Hiramatsu default:
67293d5b43SMasami Hiramatsu pr_err("ELF MACHINE %x is not supported.\n", machine);
68293d5b43SMasami Hiramatsu }
69293d5b43SMasami Hiramatsu return NULL;
70293d5b43SMasami Hiramatsu }
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