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 #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 18 extern const struct sample_reg sample_reg_masks[]; 19 20 enum { 21 SDT_ARG_VALID = 0, 22 SDT_ARG_SKIP, 23 }; 24 25 int arch_sdt_arg_parse_op(char *old_op, char **new_op); 26 uint64_t arch__intr_reg_mask(void); 27 uint64_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 34 int 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 42 static inline const char *perf_reg_name(int id __maybe_unused) 43 { 44 return NULL; 45 } 46 47 static 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 */ 55