1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __PERF_REGS_H
 3#define __PERF_REGS_H
 4
 5#include <linux/types.h>
 6#include <linux/compiler.h>
 7
 8struct regs_dump;
 9
10struct sample_reg {
11	const char *name;
12	uint64_t mask;
13};
14#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
15#define SMPL_REG2(n, b) { .name = #n, .mask = 3ULL << (b) }
16#define SMPL_REG_END { .name = NULL }
17
18extern const struct sample_reg sample_reg_masks[];
 
 
 
 
19
20enum {
21	SDT_ARG_VALID = 0,
22	SDT_ARG_SKIP,
23};
24
25int arch_sdt_arg_parse_op(char *old_op, char **new_op);
26uint64_t arch__intr_reg_mask(void);
27uint64_t arch__user_reg_mask(void);
28
29#ifdef HAVE_PERF_REGS_SUPPORT
30#include <perf_regs.h>
31
32#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP))
33
 
34int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
35
36#else
37#define PERF_REGS_MASK	0
38#define PERF_REGS_MAX	0
39
40#define DWARF_MINIMAL_REGS PERF_REGS_MASK
 
 
 
41
42static inline const char *perf_reg_name(int id __maybe_unused)
43{
44	return NULL;
45}
46
47static inline int perf_reg_value(u64 *valp __maybe_unused,
48				 struct regs_dump *regs __maybe_unused,
49				 int id __maybe_unused)
50{
51	return 0;
52}
 
 
 
 
 
 
 
 
 
 
 
53#endif /* HAVE_PERF_REGS_SUPPORT */
54#endif /* __PERF_REGS_H */

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __PERF_REGS_H
  3#define __PERF_REGS_H
  4
  5#include <linux/types.h>
  6#include <linux/compiler.h>
  7
  8struct regs_dump;
  9
 10struct sample_reg {
 11	const char *name;
 12	uint64_t mask;
 13};
 
 
 
 14
 15#define SMPL_REG_MASK(b) (1ULL << (b))
 16#define SMPL_REG(n, b) { .name = #n, .mask = SMPL_REG_MASK(b) }
 17#define SMPL_REG2_MASK(b) (3ULL << (b))
 18#define SMPL_REG2(n, b) { .name = #n, .mask = SMPL_REG2_MASK(b) }
 19#define SMPL_REG_END { .name = NULL }
 20
 21enum {
 22	SDT_ARG_VALID = 0,
 23	SDT_ARG_SKIP,
 24};
 25
 26int arch_sdt_arg_parse_op(char *old_op, char **new_op);
 27uint64_t arch__intr_reg_mask(void);
 28uint64_t arch__user_reg_mask(void);
 29
 30#ifdef HAVE_PERF_REGS_SUPPORT
 31extern const struct sample_reg sample_reg_masks[];
 
 
 32
 33const char *perf_reg_name(int id, const char *arch);
 34int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
 35uint64_t perf_arch_reg_ip(const char *arch);
 36uint64_t perf_arch_reg_sp(const char *arch);
 37const char *__perf_reg_name_arm64(int id);
 38uint64_t __perf_reg_ip_arm64(void);
 39uint64_t __perf_reg_sp_arm64(void);
 40const char *__perf_reg_name_arm(int id);
 41uint64_t __perf_reg_ip_arm(void);
 42uint64_t __perf_reg_sp_arm(void);
 43const char *__perf_reg_name_csky(int id);
 44uint64_t __perf_reg_ip_csky(void);
 45uint64_t __perf_reg_sp_csky(void);
 46const char *__perf_reg_name_loongarch(int id);
 47uint64_t __perf_reg_ip_loongarch(void);
 48uint64_t __perf_reg_sp_loongarch(void);
 49const char *__perf_reg_name_mips(int id);
 50uint64_t __perf_reg_ip_mips(void);
 51uint64_t __perf_reg_sp_mips(void);
 52const char *__perf_reg_name_powerpc(int id);
 53uint64_t __perf_reg_ip_powerpc(void);
 54uint64_t __perf_reg_sp_powerpc(void);
 55const char *__perf_reg_name_riscv(int id);
 56uint64_t __perf_reg_ip_riscv(void);
 57uint64_t __perf_reg_sp_riscv(void);
 58const char *__perf_reg_name_s390(int id);
 59uint64_t __perf_reg_ip_s390(void);
 60uint64_t __perf_reg_sp_s390(void);
 61const char *__perf_reg_name_x86(int id);
 62uint64_t __perf_reg_ip_x86(void);
 63uint64_t __perf_reg_sp_x86(void);
 64
 65static inline uint64_t DWARF_MINIMAL_REGS(const char *arch)
 66{
 67	return (1ULL << perf_arch_reg_ip(arch)) | (1ULL << perf_arch_reg_sp(arch));
 68}
 69
 70#else
 
 
 71
 72static inline uint64_t DWARF_MINIMAL_REGS(const char *arch __maybe_unused)
 73{
 74	return 0;
 75}
 76
 77static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused)
 78{
 79	return "unknown";
 80}
 81
 82static inline int perf_reg_value(u64 *valp __maybe_unused,
 83				 struct regs_dump *regs __maybe_unused,
 84				 int id __maybe_unused)
 85{
 86	return 0;
 87}
 88
 89static inline uint64_t perf_arch_reg_ip(const char *arch __maybe_unused)
 90{
 91	return 0;
 92}
 93
 94static inline uint64_t perf_arch_reg_sp(const char *arch __maybe_unused)
 95{
 96	return 0;
 97}
 98
 99#endif /* HAVE_PERF_REGS_SUPPORT */
100#endif /* __PERF_REGS_H */