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 8 struct regs_dump; 9 10 struct 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 21 enum { 22 SDT_ARG_VALID = 0, 23 SDT_ARG_SKIP, 24 }; 25 26 int arch_sdt_arg_parse_op(char *old_op, char **new_op); 27 uint64_t arch__intr_reg_mask(void); 28 uint64_t arch__user_reg_mask(void); 29 30 #ifdef HAVE_PERF_REGS_SUPPORT 31 extern 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 37 const char *perf_reg_name(int id, const char *arch); 38 int 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 46 static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused) 47 { 48 return "unknown"; 49 } 50 51 static 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 */ 59