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 const char *perf_reg_name(int id, const char *arch); 34 int perf_reg_value(u64 *valp, struct regs_dump *regs, int id); 35 uint64_t perf_arch_reg_ip(const char *arch); 36 uint64_t perf_arch_reg_sp(const char *arch); 37 const char *__perf_reg_name_arm64(int id); 38 uint64_t __perf_reg_ip_arm64(void); 39 uint64_t __perf_reg_sp_arm64(void); 40 const char *__perf_reg_name_arm(int id); 41 uint64_t __perf_reg_ip_arm(void); 42 uint64_t __perf_reg_sp_arm(void); 43 const char *__perf_reg_name_csky(int id); 44 uint64_t __perf_reg_ip_csky(void); 45 uint64_t __perf_reg_sp_csky(void); 46 const char *__perf_reg_name_loongarch(int id); 47 uint64_t __perf_reg_ip_loongarch(void); 48 uint64_t __perf_reg_sp_loongarch(void); 49 const char *__perf_reg_name_mips(int id); 50 uint64_t __perf_reg_ip_mips(void); 51 uint64_t __perf_reg_sp_mips(void); 52 const char *__perf_reg_name_powerpc(int id); 53 uint64_t __perf_reg_ip_powerpc(void); 54 uint64_t __perf_reg_sp_powerpc(void); 55 const char *__perf_reg_name_riscv(int id); 56 uint64_t __perf_reg_ip_riscv(void); 57 uint64_t __perf_reg_sp_riscv(void); 58 const char *__perf_reg_name_s390(int id); 59 uint64_t __perf_reg_ip_s390(void); 60 uint64_t __perf_reg_sp_s390(void); 61 const char *__perf_reg_name_x86(int id); 62 uint64_t __perf_reg_ip_x86(void); 63 uint64_t __perf_reg_sp_x86(void); 64 65 static 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 72 static inline uint64_t DWARF_MINIMAL_REGS(const char *arch __maybe_unused) 73 { 74 return 0; 75 } 76 77 static inline const char *perf_reg_name(int id __maybe_unused, const char *arch __maybe_unused) 78 { 79 return "unknown"; 80 } 81 82 static 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 89 static inline uint64_t perf_arch_reg_ip(const char *arch __maybe_unused) 90 { 91 return 0; 92 } 93 94 static 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 */ 101