| // SPDX-License-Identifier: GPL-2.0 |
| #include <errno.h> |
| #include <string.h> |
| #include "perf_regs.h" |
| #include "event.h" |
| |
| int __weak arch_sdt_arg_parse_op(char *old_op __maybe_unused, |
| char **new_op __maybe_unused) |
| { |
| return SDT_ARG_SKIP; |
| } |
| |
| uint64_t __weak arch__intr_reg_mask(void) |
| { |
| return PERF_REGS_MASK; |
| } |
| |
| uint64_t __weak arch__user_reg_mask(void) |
| { |
| return PERF_REGS_MASK; |
| } |
| |
| #ifdef HAVE_PERF_REGS_SUPPORT |
| |
| #define perf_event_arm_regs perf_event_arm64_regs |
| #include "../../arch/arm64/include/uapi/asm/perf_regs.h" |
| #undef perf_event_arm_regs |
| |
| #include "../../arch/arm/include/uapi/asm/perf_regs.h" |
| #include "../../arch/csky/include/uapi/asm/perf_regs.h" |
| #include "../../arch/mips/include/uapi/asm/perf_regs.h" |
| #include "../../arch/powerpc/include/uapi/asm/perf_regs.h" |
| #include "../../arch/riscv/include/uapi/asm/perf_regs.h" |
| #include "../../arch/s390/include/uapi/asm/perf_regs.h" |
| #include "../../arch/x86/include/uapi/asm/perf_regs.h" |
| |
| static const char *__perf_reg_name_arm64(int id) |
| { |
| switch (id) { |
| case PERF_REG_ARM64_X0: |
| return "x0"; |
| case PERF_REG_ARM64_X1: |
| return "x1"; |
| case PERF_REG_ARM64_X2: |
| return "x2"; |
| case PERF_REG_ARM64_X3: |
| return "x3"; |
| case PERF_REG_ARM64_X4: |
| return "x4"; |
| case PERF_REG_ARM64_X5: |
| return "x5"; |
| case PERF_REG_ARM64_X6: |
| return "x6"; |
| case PERF_REG_ARM64_X7: |
| return "x7"; |
| case PERF_REG_ARM64_X8: |
| return "x8"; |
| case PERF_REG_ARM64_X9: |
| return "x9"; |
| case PERF_REG_ARM64_X10: |
| return "x10"; |
| case PERF_REG_ARM64_X11: |
| return "x11"; |
| case PERF_REG_ARM64_X12: |
| return "x12"; |
| case PERF_REG_ARM64_X13: |
| return "x13"; |
| case PERF_REG_ARM64_X14: |
| return "x14"; |
| case PERF_REG_ARM64_X15: |
| return "x15"; |
| case PERF_REG_ARM64_X16: |
| return "x16"; |
| case PERF_REG_ARM64_X17: |
| return "x17"; |
| case PERF_REG_ARM64_X18: |
| return "x18"; |
| case PERF_REG_ARM64_X19: |
| return "x19"; |
| case PERF_REG_ARM64_X20: |
| return "x20"; |
| case PERF_REG_ARM64_X21: |
| return "x21"; |
| case PERF_REG_ARM64_X22: |
| return "x22"; |
| case PERF_REG_ARM64_X23: |
| return "x23"; |
| case PERF_REG_ARM64_X24: |
| return "x24"; |
| case PERF_REG_ARM64_X25: |
| return "x25"; |
| case PERF_REG_ARM64_X26: |
| return "x26"; |
| case PERF_REG_ARM64_X27: |
| return "x27"; |
| case PERF_REG_ARM64_X28: |
| return "x28"; |
| case PERF_REG_ARM64_X29: |
| return "x29"; |
| case PERF_REG_ARM64_SP: |
| return "sp"; |
| case PERF_REG_ARM64_LR: |
| return "lr"; |
| case PERF_REG_ARM64_PC: |
| return "pc"; |
| case PERF_REG_ARM64_VG: |
| return "vg"; |
| default: |
| return NULL; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *__perf_reg_name_arm(int id) |
| { |
| switch (id) { |
| case PERF_REG_ARM_R0: |
| return "r0"; |
| case PERF_REG_ARM_R1: |
| return "r1"; |
| case PERF_REG_ARM_R2: |
| return "r2"; |
| case PERF_REG_ARM_R3: |
| return "r3"; |
| case PERF_REG_ARM_R4: |
| return "r4"; |
| case PERF_REG_ARM_R5: |
| return "r5"; |
| case PERF_REG_ARM_R6: |
| return "r6"; |
| case PERF_REG_ARM_R7: |
| return "r7"; |
| case PERF_REG_ARM_R8: |
| return "r8"; |
| case PERF_REG_ARM_R9: |
| return "r9"; |
| case PERF_REG_ARM_R10: |
| return "r10"; |
| case PERF_REG_ARM_FP: |
| return "fp"; |
| case PERF_REG_ARM_IP: |
| return "ip"; |
| case PERF_REG_ARM_SP: |
| return "sp"; |
| case PERF_REG_ARM_LR: |
| return "lr"; |
| case PERF_REG_ARM_PC: |
| return "pc"; |
| default: |
| return NULL; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *__perf_reg_name_csky(int id) |
| { |
| switch (id) { |
| case PERF_REG_CSKY_A0: |
| return "a0"; |
| case PERF_REG_CSKY_A1: |
| return "a1"; |
| case PERF_REG_CSKY_A2: |
| return "a2"; |
| case PERF_REG_CSKY_A3: |
| return "a3"; |
| case PERF_REG_CSKY_REGS0: |
| return "regs0"; |
| case PERF_REG_CSKY_REGS1: |
| return "regs1"; |
| case PERF_REG_CSKY_REGS2: |
| return "regs2"; |
| case PERF_REG_CSKY_REGS3: |
| return "regs3"; |
| case PERF_REG_CSKY_REGS4: |
| return "regs4"; |
| case PERF_REG_CSKY_REGS5: |
| return "regs5"; |
| case PERF_REG_CSKY_REGS6: |
| return "regs6"; |
| case PERF_REG_CSKY_REGS7: |
| return "regs7"; |
| case PERF_REG_CSKY_REGS8: |
| return "regs8"; |
| case PERF_REG_CSKY_REGS9: |
| return "regs9"; |
| case PERF_REG_CSKY_SP: |
| return "sp"; |
| case PERF_REG_CSKY_LR: |
| return "lr"; |
| case PERF_REG_CSKY_PC: |
| return "pc"; |
| #if defined(__CSKYABIV2__) |
| case PERF_REG_CSKY_EXREGS0: |
| return "exregs0"; |
| case PERF_REG_CSKY_EXREGS1: |
| return "exregs1"; |
| case PERF_REG_CSKY_EXREGS2: |
| return "exregs2"; |
| case PERF_REG_CSKY_EXREGS3: |
| return "exregs3"; |
| case PERF_REG_CSKY_EXREGS4: |
| return "exregs4"; |
| case PERF_REG_CSKY_EXREGS5: |
| return "exregs5"; |
| case PERF_REG_CSKY_EXREGS6: |
| return "exregs6"; |
| case PERF_REG_CSKY_EXREGS7: |
| return "exregs7"; |
| case PERF_REG_CSKY_EXREGS8: |
| return "exregs8"; |
| case PERF_REG_CSKY_EXREGS9: |
| return "exregs9"; |
| case PERF_REG_CSKY_EXREGS10: |
| return "exregs10"; |
| case PERF_REG_CSKY_EXREGS11: |
| return "exregs11"; |
| case PERF_REG_CSKY_EXREGS12: |
| return "exregs12"; |
| case PERF_REG_CSKY_EXREGS13: |
| return "exregs13"; |
| case PERF_REG_CSKY_EXREGS14: |
| return "exregs14"; |
| case PERF_REG_CSKY_TLS: |
| return "tls"; |
| case PERF_REG_CSKY_HI: |
| return "hi"; |
| case PERF_REG_CSKY_LO: |
| return "lo"; |
| #endif |
| default: |
| return NULL; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *__perf_reg_name_mips(int id) |
| { |
| switch (id) { |
| case PERF_REG_MIPS_PC: |
| return "PC"; |
| case PERF_REG_MIPS_R1: |
| return "$1"; |
| case PERF_REG_MIPS_R2: |
| return "$2"; |
| case PERF_REG_MIPS_R3: |
| return "$3"; |
| case PERF_REG_MIPS_R4: |
| return "$4"; |
| case PERF_REG_MIPS_R5: |
| return "$5"; |
| case PERF_REG_MIPS_R6: |
| return "$6"; |
| case PERF_REG_MIPS_R7: |
| return "$7"; |
| case PERF_REG_MIPS_R8: |
| return "$8"; |
| case PERF_REG_MIPS_R9: |
| return "$9"; |
| case PERF_REG_MIPS_R10: |
| return "$10"; |
| case PERF_REG_MIPS_R11: |
| return "$11"; |
| case PERF_REG_MIPS_R12: |
| return "$12"; |
| case PERF_REG_MIPS_R13: |
| return "$13"; |
| case PERF_REG_MIPS_R14: |
| return "$14"; |
| case PERF_REG_MIPS_R15: |
| return "$15"; |
| case PERF_REG_MIPS_R16: |
| return "$16"; |
| case PERF_REG_MIPS_R17: |
| return "$17"; |
| case PERF_REG_MIPS_R18: |
| return "$18"; |
| case PERF_REG_MIPS_R19: |
| return "$19"; |
| case PERF_REG_MIPS_R20: |
| return "$20"; |
| case PERF_REG_MIPS_R21: |
| return "$21"; |
| case PERF_REG_MIPS_R22: |
| return "$22"; |
| case PERF_REG_MIPS_R23: |
| return "$23"; |
| case PERF_REG_MIPS_R24: |
| return "$24"; |
| case PERF_REG_MIPS_R25: |
| return "$25"; |
| case PERF_REG_MIPS_R28: |
| return "$28"; |
| case PERF_REG_MIPS_R29: |
| return "$29"; |
| case PERF_REG_MIPS_R30: |
| return "$30"; |
| case PERF_REG_MIPS_R31: |
| return "$31"; |
| default: |
| break; |
| } |
| return NULL; |
| } |
| |
| static const char *__perf_reg_name_powerpc(int id) |
| { |
| switch (id) { |
| case PERF_REG_POWERPC_R0: |
| return "r0"; |
| case PERF_REG_POWERPC_R1: |
| return "r1"; |
| case PERF_REG_POWERPC_R2: |
| return "r2"; |
| case PERF_REG_POWERPC_R3: |
| return "r3"; |
| case PERF_REG_POWERPC_R4: |
| return "r4"; |
| case PERF_REG_POWERPC_R5: |
| return "r5"; |
| case PERF_REG_POWERPC_R6: |
| return "r6"; |
| case PERF_REG_POWERPC_R7: |
| return "r7"; |
| case PERF_REG_POWERPC_R8: |
| return "r8"; |
| case PERF_REG_POWERPC_R9: |
| return "r9"; |
| case PERF_REG_POWERPC_R10: |
| return "r10"; |
| case PERF_REG_POWERPC_R11: |
| return "r11"; |
| case PERF_REG_POWERPC_R12: |
| return "r12"; |
| case PERF_REG_POWERPC_R13: |
| return "r13"; |
| case PERF_REG_POWERPC_R14: |
| return "r14"; |
| case PERF_REG_POWERPC_R15: |
| return "r15"; |
| case PERF_REG_POWERPC_R16: |
| return "r16"; |
| case PERF_REG_POWERPC_R17: |
| return "r17"; |
| case PERF_REG_POWERPC_R18: |
| return "r18"; |
| case PERF_REG_POWERPC_R19: |
| return "r19"; |
| case PERF_REG_POWERPC_R20: |
| return "r20"; |
| case PERF_REG_POWERPC_R21: |
| return "r21"; |
| case PERF_REG_POWERPC_R22: |
| return "r22"; |
| case PERF_REG_POWERPC_R23: |
| return "r23"; |
| case PERF_REG_POWERPC_R24: |
| return "r24"; |
| case PERF_REG_POWERPC_R25: |
| return "r25"; |
| case PERF_REG_POWERPC_R26: |
| return "r26"; |
| case PERF_REG_POWERPC_R27: |
| return "r27"; |
| case PERF_REG_POWERPC_R28: |
| return "r28"; |
| case PERF_REG_POWERPC_R29: |
| return "r29"; |
| case PERF_REG_POWERPC_R30: |
| return "r30"; |
| case PERF_REG_POWERPC_R31: |
| return "r31"; |
| case PERF_REG_POWERPC_NIP: |
| return "nip"; |
| case PERF_REG_POWERPC_MSR: |
| return "msr"; |
| case PERF_REG_POWERPC_ORIG_R3: |
| return "orig_r3"; |
| case PERF_REG_POWERPC_CTR: |
| return "ctr"; |
| case PERF_REG_POWERPC_LINK: |
| return "link"; |
| case PERF_REG_POWERPC_XER: |
| return "xer"; |
| case PERF_REG_POWERPC_CCR: |
| return "ccr"; |
| case PERF_REG_POWERPC_SOFTE: |
| return "softe"; |
| case PERF_REG_POWERPC_TRAP: |
| return "trap"; |
| case PERF_REG_POWERPC_DAR: |
| return "dar"; |
| case PERF_REG_POWERPC_DSISR: |
| return "dsisr"; |
| case PERF_REG_POWERPC_SIER: |
| return "sier"; |
| case PERF_REG_POWERPC_MMCRA: |
| return "mmcra"; |
| case PERF_REG_POWERPC_MMCR0: |
| return "mmcr0"; |
| case PERF_REG_POWERPC_MMCR1: |
| return "mmcr1"; |
| case PERF_REG_POWERPC_MMCR2: |
| return "mmcr2"; |
| case PERF_REG_POWERPC_MMCR3: |
| return "mmcr3"; |
| case PERF_REG_POWERPC_SIER2: |
| return "sier2"; |
| case PERF_REG_POWERPC_SIER3: |
| return "sier3"; |
| case PERF_REG_POWERPC_PMC1: |
| return "pmc1"; |
| case PERF_REG_POWERPC_PMC2: |
| return "pmc2"; |
| case PERF_REG_POWERPC_PMC3: |
| return "pmc3"; |
| case PERF_REG_POWERPC_PMC4: |
| return "pmc4"; |
| case PERF_REG_POWERPC_PMC5: |
| return "pmc5"; |
| case PERF_REG_POWERPC_PMC6: |
| return "pmc6"; |
| case PERF_REG_POWERPC_SDAR: |
| return "sdar"; |
| case PERF_REG_POWERPC_SIAR: |
| return "siar"; |
| default: |
| break; |
| } |
| return NULL; |
| } |
| |
| static const char *__perf_reg_name_riscv(int id) |
| { |
| switch (id) { |
| case PERF_REG_RISCV_PC: |
| return "pc"; |
| case PERF_REG_RISCV_RA: |
| return "ra"; |
| case PERF_REG_RISCV_SP: |
| return "sp"; |
| case PERF_REG_RISCV_GP: |
| return "gp"; |
| case PERF_REG_RISCV_TP: |
| return "tp"; |
| case PERF_REG_RISCV_T0: |
| return "t0"; |
| case PERF_REG_RISCV_T1: |
| return "t1"; |
| case PERF_REG_RISCV_T2: |
| return "t2"; |
| case PERF_REG_RISCV_S0: |
| return "s0"; |
| case PERF_REG_RISCV_S1: |
| return "s1"; |
| case PERF_REG_RISCV_A0: |
| return "a0"; |
| case PERF_REG_RISCV_A1: |
| return "a1"; |
| case PERF_REG_RISCV_A2: |
| return "a2"; |
| case PERF_REG_RISCV_A3: |
| return "a3"; |
| case PERF_REG_RISCV_A4: |
| return "a4"; |
| case PERF_REG_RISCV_A5: |
| return "a5"; |
| case PERF_REG_RISCV_A6: |
| return "a6"; |
| case PERF_REG_RISCV_A7: |
| return "a7"; |
| case PERF_REG_RISCV_S2: |
| return "s2"; |
| case PERF_REG_RISCV_S3: |
| return "s3"; |
| case PERF_REG_RISCV_S4: |
| return "s4"; |
| case PERF_REG_RISCV_S5: |
| return "s5"; |
| case PERF_REG_RISCV_S6: |
| return "s6"; |
| case PERF_REG_RISCV_S7: |
| return "s7"; |
| case PERF_REG_RISCV_S8: |
| return "s8"; |
| case PERF_REG_RISCV_S9: |
| return "s9"; |
| case PERF_REG_RISCV_S10: |
| return "s10"; |
| case PERF_REG_RISCV_S11: |
| return "s11"; |
| case PERF_REG_RISCV_T3: |
| return "t3"; |
| case PERF_REG_RISCV_T4: |
| return "t4"; |
| case PERF_REG_RISCV_T5: |
| return "t5"; |
| case PERF_REG_RISCV_T6: |
| return "t6"; |
| default: |
| return NULL; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *__perf_reg_name_s390(int id) |
| { |
| switch (id) { |
| case PERF_REG_S390_R0: |
| return "R0"; |
| case PERF_REG_S390_R1: |
| return "R1"; |
| case PERF_REG_S390_R2: |
| return "R2"; |
| case PERF_REG_S390_R3: |
| return "R3"; |
| case PERF_REG_S390_R4: |
| return "R4"; |
| case PERF_REG_S390_R5: |
| return "R5"; |
| case PERF_REG_S390_R6: |
| return "R6"; |
| case PERF_REG_S390_R7: |
| return "R7"; |
| case PERF_REG_S390_R8: |
| return "R8"; |
| case PERF_REG_S390_R9: |
| return "R9"; |
| case PERF_REG_S390_R10: |
| return "R10"; |
| case PERF_REG_S390_R11: |
| return "R11"; |
| case PERF_REG_S390_R12: |
| return "R12"; |
| case PERF_REG_S390_R13: |
| return "R13"; |
| case PERF_REG_S390_R14: |
| return "R14"; |
| case PERF_REG_S390_R15: |
| return "R15"; |
| case PERF_REG_S390_FP0: |
| return "FP0"; |
| case PERF_REG_S390_FP1: |
| return "FP1"; |
| case PERF_REG_S390_FP2: |
| return "FP2"; |
| case PERF_REG_S390_FP3: |
| return "FP3"; |
| case PERF_REG_S390_FP4: |
| return "FP4"; |
| case PERF_REG_S390_FP5: |
| return "FP5"; |
| case PERF_REG_S390_FP6: |
| return "FP6"; |
| case PERF_REG_S390_FP7: |
| return "FP7"; |
| case PERF_REG_S390_FP8: |
| return "FP8"; |
| case PERF_REG_S390_FP9: |
| return "FP9"; |
| case PERF_REG_S390_FP10: |
| return "FP10"; |
| case PERF_REG_S390_FP11: |
| return "FP11"; |
| case PERF_REG_S390_FP12: |
| return "FP12"; |
| case PERF_REG_S390_FP13: |
| return "FP13"; |
| case PERF_REG_S390_FP14: |
| return "FP14"; |
| case PERF_REG_S390_FP15: |
| return "FP15"; |
| case PERF_REG_S390_MASK: |
| return "MASK"; |
| case PERF_REG_S390_PC: |
| return "PC"; |
| default: |
| return NULL; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *__perf_reg_name_x86(int id) |
| { |
| switch (id) { |
| case PERF_REG_X86_AX: |
| return "AX"; |
| case PERF_REG_X86_BX: |
| return "BX"; |
| case PERF_REG_X86_CX: |
| return "CX"; |
| case PERF_REG_X86_DX: |
| return "DX"; |
| case PERF_REG_X86_SI: |
| return "SI"; |
| case PERF_REG_X86_DI: |
| return "DI"; |
| case PERF_REG_X86_BP: |
| return "BP"; |
| case PERF_REG_X86_SP: |
| return "SP"; |
| case PERF_REG_X86_IP: |
| return "IP"; |
| case PERF_REG_X86_FLAGS: |
| return "FLAGS"; |
| case PERF_REG_X86_CS: |
| return "CS"; |
| case PERF_REG_X86_SS: |
| return "SS"; |
| case PERF_REG_X86_DS: |
| return "DS"; |
| case PERF_REG_X86_ES: |
| return "ES"; |
| case PERF_REG_X86_FS: |
| return "FS"; |
| case PERF_REG_X86_GS: |
| return "GS"; |
| case PERF_REG_X86_R8: |
| return "R8"; |
| case PERF_REG_X86_R9: |
| return "R9"; |
| case PERF_REG_X86_R10: |
| return "R10"; |
| case PERF_REG_X86_R11: |
| return "R11"; |
| case PERF_REG_X86_R12: |
| return "R12"; |
| case PERF_REG_X86_R13: |
| return "R13"; |
| case PERF_REG_X86_R14: |
| return "R14"; |
| case PERF_REG_X86_R15: |
| return "R15"; |
| |
| #define XMM(x) \ |
| case PERF_REG_X86_XMM ## x: \ |
| case PERF_REG_X86_XMM ## x + 1: \ |
| return "XMM" #x; |
| XMM(0) |
| XMM(1) |
| XMM(2) |
| XMM(3) |
| XMM(4) |
| XMM(5) |
| XMM(6) |
| XMM(7) |
| XMM(8) |
| XMM(9) |
| XMM(10) |
| XMM(11) |
| XMM(12) |
| XMM(13) |
| XMM(14) |
| XMM(15) |
| #undef XMM |
| default: |
| return NULL; |
| } |
| |
| return NULL; |
| } |
| |
| const char *perf_reg_name(int id, const char *arch) |
| { |
| const char *reg_name = NULL; |
| |
| if (!strcmp(arch, "csky")) |
| reg_name = __perf_reg_name_csky(id); |
| else if (!strcmp(arch, "mips")) |
| reg_name = __perf_reg_name_mips(id); |
| else if (!strcmp(arch, "powerpc")) |
| reg_name = __perf_reg_name_powerpc(id); |
| else if (!strcmp(arch, "riscv")) |
| reg_name = __perf_reg_name_riscv(id); |
| else if (!strcmp(arch, "s390")) |
| reg_name = __perf_reg_name_s390(id); |
| else if (!strcmp(arch, "x86")) |
| reg_name = __perf_reg_name_x86(id); |
| else if (!strcmp(arch, "arm")) |
| reg_name = __perf_reg_name_arm(id); |
| else if (!strcmp(arch, "arm64")) |
| reg_name = __perf_reg_name_arm64(id); |
| |
| return reg_name ?: "unknown"; |
| } |
| |
| int perf_reg_value(u64 *valp, struct regs_dump *regs, int id) |
| { |
| int i, idx = 0; |
| u64 mask = regs->mask; |
| |
| if ((u64)id >= PERF_SAMPLE_REGS_CACHE_SIZE) |
| return -EINVAL; |
| |
| if (regs->cache_mask & (1ULL << id)) |
| goto out; |
| |
| if (!(mask & (1ULL << id))) |
| return -EINVAL; |
| |
| for (i = 0; i < id; i++) { |
| if (mask & (1ULL << i)) |
| idx++; |
| } |
| |
| regs->cache_mask |= (1ULL << id); |
| regs->cache_regs[id] = regs->regs[idx]; |
| |
| out: |
| *valp = regs->cache_regs[id]; |
| return 0; |
| } |
| #endif |
