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 const char *perf_reg_name(int id, const char *arch); 36 int perf_reg_value(u64 *valp, struct regs_dump *regs, int id); 37 uint64_t perf_arch_reg_ip(const char *arch); 38 uint64_t perf_arch_reg_sp(const char *arch); 39 const char *__perf_reg_name_arm64(int id); 40 uint64_t __perf_reg_ip_arm64(void); 41 uint64_t __perf_reg_sp_arm64(void); 42 const char *__perf_reg_name_arm(int id); 43 uint64_t __perf_reg_ip_arm(void); 44 uint64_t __perf_reg_sp_arm(void); 45 const char *__perf_reg_name_csky(int id); 46 uint64_t __perf_reg_ip_csky(void); 47 uint64_t __perf_reg_sp_csky(void); 48 const char *__perf_reg_name_loongarch(int id); 49 uint64_t __perf_reg_ip_loongarch(void); 50 uint64_t __perf_reg_sp_loongarch(void); 51 const char *__perf_reg_name_mips(int id); 52 uint64_t __perf_reg_ip_mips(void); 53 uint64_t __perf_reg_sp_mips(void); 54 const char *__perf_reg_name_powerpc(int id); 55 uint64_t __perf_reg_ip_powerpc(void); 56 uint64_t __perf_reg_sp_powerpc(void); 57 const char *__perf_reg_name_riscv(int id); 58 uint64_t __perf_reg_ip_riscv(void); 59 uint64_t __perf_reg_sp_riscv(void); 60 const char *__perf_reg_name_s390(int id); 61 uint64_t __perf_reg_ip_s390(void); 62 uint64_t __perf_reg_sp_s390(void); 63 const char *__perf_reg_name_x86(int id); 64 uint64_t __perf_reg_ip_x86(void); 65 uint64_t __perf_reg_sp_x86(void); 66 67 static inline uint64_t DWARF_MINIMAL_REGS(const char *arch) 68 { 69 return (1ULL << perf_arch_reg_ip(arch)) | (1ULL << perf_arch_reg_sp(arch)); 70 } 71 72 #else 73 #define PERF_REGS_MASK 0 74 #define PERF_REGS_MAX 0 75 76 static inline uint64_t DWARF_MINIMAL_REGS(const char *arch __maybe_unused) 77 { 78 return PERF_REGS_MASK; 79 } 80 81 static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused) 82 { 83 return "unknown"; 84 } 85 86 static inline int perf_reg_value(u64 *valp __maybe_unused, 87 struct regs_dump *regs __maybe_unused, 88 int id __maybe_unused) 89 { 90 return 0; 91 } 92 93 static inline uint64_t perf_arch_reg_ip(const char *arch __maybe_unused) 94 { 95 return 0; 96 } 97 98 static inline uint64_t perf_arch_reg_sp(const char *arch __maybe_unused) 99 { 100 return 0; 101 } 102 103 #endif /* HAVE_PERF_REGS_SUPPORT */ 104 #endif /* __PERF_REGS_H */ 105