perf_regs.h (1366B)
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 33#include <perf_regs.h> 34 35#define DWARF_MINIMAL_REGS ((1ULL << PERF_REG_IP) | (1ULL << PERF_REG_SP)) 36 37const char *perf_reg_name(int id, const char *arch); 38int perf_reg_value(u64 *valp, struct regs_dump *regs, int id); 39 40#else 41#define PERF_REGS_MASK 0 42#define PERF_REGS_MAX 0 43 44#define DWARF_MINIMAL_REGS PERF_REGS_MASK 45 46static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused) 47{ 48 return "unknown"; 49} 50 51static inline int perf_reg_value(u64 *valp __maybe_unused, 52 struct regs_dump *regs __maybe_unused, 53 int id __maybe_unused) 54{ 55 return 0; 56} 57#endif /* HAVE_PERF_REGS_SUPPORT */ 58#endif /* __PERF_REGS_H */