1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PERF_DWARF_REGS_H_ 3 #define _PERF_DWARF_REGS_H_ 4 #include "annotate.h" 5 #include <elf.h> 6 7 #ifndef EM_AARCH64 8 #define EM_AARCH64 183 /* ARM 64 bit */ 9 #endif 10 11 #ifndef EM_CSKY 12 #define EM_CSKY 252 /* C-SKY */ 13 #endif 14 #ifndef EF_CSKY_ABIV1 15 #define EF_CSKY_ABIV1 0X10000000 16 #endif 17 #ifndef EF_CSKY_ABIV2 18 #define EF_CSKY_ABIV2 0X20000000 19 #endif 20 21 #ifndef EM_LOONGARCH 22 #define EM_LOONGARCH 258 /* LoongArch */ 23 #endif 24 25 /* EM_HOST gives the ELF machine for host, EF_HOST gives additional flags. */ 26 #if defined(__x86_64__) 27 #define EM_HOST EM_X86_64 28 #elif defined(__i386__) 29 #define EM_HOST EM_386 30 #elif defined(__aarch64__) 31 #define EM_HOST EM_AARCH64 32 #elif defined(__arm__) 33 #define EM_HOST EM_ARM 34 #elif defined(__alpha__) 35 #define EM_HOST EM_ALPHA 36 #elif defined(__arc__) 37 #define EM_HOST EM_ARC 38 #elif defined(__AVR__) 39 #define EM_HOST EM_AVR 40 #elif defined(__AVR32__) 41 #define EM_HOST EM_AVR32 42 #elif defined(__bfin__) 43 #define EM_HOST EM_BLACKFIN 44 #elif defined(__csky__) 45 #define EM_HOST EM_CSKY 46 #if defined(__CSKYABIV2__) 47 #define EF_HOST EF_CSKY_ABIV2 48 #else 49 #define EF_HOST EF_CSKY_ABIV1 50 #endif 51 #elif defined(__cris__) 52 #define EM_HOST EM_CRIS 53 #elif defined(__hppa__) // HP PA-RISC 54 #define EM_HOST EM_PARISC 55 #elif defined(__loongarch__) 56 #define EM_HOST EM_LOONGARCH 57 #elif defined(__mips__) 58 #define EM_HOST EM_MIPS 59 #elif defined(__m32r__) 60 #define EM_HOST EM_M32R 61 #elif defined(__microblaze__) 62 #define EM_HOST EM_MICROBLAZE 63 #elif defined(__MSP430__) 64 #define EM_HOST EM_MSP430 65 #elif defined(__powerpc64__) 66 #define EM_HOST EM_PPC64 67 #elif defined(__powerpc__) 68 #define EM_HOST EM_PPC 69 #elif defined(__riscv) 70 #define EM_HOST EM_RISCV 71 #elif defined(__s390x__) 72 #define EM_HOST EM_S390 73 #elif defined(__sh__) 74 #define EM_HOST EM_SH 75 #elif defined(__sparc64__) || defined(__sparc__) 76 #define EM_HOST EM_SPARC 77 #elif defined(__xtensa__) 78 #define EM_HOST EM_XTENSA 79 #else 80 /* Unknown host ELF machine type. */ 81 #define EM_HOST EM_NONE 82 #endif 83 84 #if !defined(EF_HOST) 85 #define EF_HOST 0 86 #endif 87 88 #define DWARF_REG_PC 0xd3af9c /* random number */ 89 #define DWARF_REG_FB 0xd3affb /* random number */ 90 91 #ifdef HAVE_LIBDW_SUPPORT 92 /** 93 * get_dwarf_regstr() - Returns ftrace register string from DWARF regnum. 94 * @n: DWARF register number. 95 * @machine: ELF machine signature (EM_*). 96 * @flags: ELF flags for things like ABI differences. 97 */ 98 const char *get_dwarf_regstr(unsigned int n, unsigned int machine, unsigned int flags); 99 100 const char *__get_csky_regstr(unsigned int n, unsigned int flags); 101 int __get_csky_regnum(const char *name, unsigned int flags); 102 103 int __get_dwarf_regnum_i386(const char *name); 104 int __get_dwarf_regnum_x86_64(const char *name); 105 int __get_dwarf_regnum_for_perf_regnum_i386(int perf_regnum); 106 int __get_dwarf_regnum_for_perf_regnum_x86_64(int perf_regnum); 107 108 int __get_dwarf_regnum_for_perf_regnum_arm(int perf_regnum); 109 int __get_dwarf_regnum_for_perf_regnum_arm64(int perf_regnum); 110 111 /* 112 * get_dwarf_regnum - Returns DWARF regnum from register name 113 * name: architecture register name 114 * machine: ELF machine signature (EM_*) 115 */ 116 int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags); 117 118 /* 119 * get_dwarf_regnum - Returns DWARF regnum from perf register number. 120 */ 121 int get_dwarf_regnum_for_perf_regnum(int perf_regnum, unsigned int machine, unsigned int flags, 122 bool only_libdw_supported); 123 124 void get_powerpc_regs(u32 raw_insn, int is_source, struct annotated_op_loc *op_loc); 125 126 #else /* HAVE_LIBDW_SUPPORT */ 127 128 static inline int get_dwarf_regnum(const char *name __maybe_unused, 129 unsigned int machine __maybe_unused, 130 unsigned int flags __maybe_unused) 131 { 132 return -1; 133 } 134 135 static inline void get_powerpc_regs(u32 raw_insn __maybe_unused, int is_source __maybe_unused, 136 struct annotated_op_loc *op_loc __maybe_unused) 137 { 138 return; 139 } 140 #endif 141 142 #endif 143