dwarf-regs.h

  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
 92const char *get_csky_regstr(unsigned int n, unsigned int flags);
 93
 94/**
 95 * get_dwarf_regstr() - Returns ftrace register string from DWARF regnum.
 96 * @n: DWARF register number.
 97 * @machine: ELF machine signature (EM_*).
 98 * @flags: ELF flags for things like ABI differences.
 99 */
100const char *get_dwarf_regstr(unsigned int n, unsigned int machine, unsigned int flags);
101
102int get_x86_regnum(const char *name);
103
104#if !defined(__x86_64__) && !defined(__i386__)
105int get_arch_regnum(const char *name);
106#endif
107
108/*
109 * get_dwarf_regnum - Returns DWARF regnum from register name
110 * name: architecture register name
111 * machine: ELF machine signature (EM_*)
112 */
113int get_dwarf_regnum(const char *name, unsigned int machine, unsigned int flags);
114
115void get_powerpc_regs(u32 raw_insn, int is_source, struct annotated_op_loc *op_loc);
116
117#else /* HAVE_LIBDW_SUPPORT */
118
119static inline int get_dwarf_regnum(const char *name __maybe_unused,
120				   unsigned int machine __maybe_unused,
121				   unsigned int flags __maybe_unused)
122{
123	return -1;
124}
125
126static inline void get_powerpc_regs(u32 raw_insn __maybe_unused, int is_source __maybe_unused,
127		struct annotated_op_loc *op_loc __maybe_unused)
128{
129	return;
130}
131#endif
132
133#endif