1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | // SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include "../../util/debug.h" #ifndef REMOTE_UNWIND_LIBUNWIND #include <libunwind.h> #include "perf_regs.h" #include "../../util/unwind.h" #endif #ifdef HAVE_ARCH_X86_64_SUPPORT int LIBUNWIND__ARCH_REG_ID(int regnum) { int id; switch (regnum) { case UNW_X86_64_RAX: id = PERF_REG_X86_AX; break; case UNW_X86_64_RDX: id = PERF_REG_X86_DX; break; case UNW_X86_64_RCX: id = PERF_REG_X86_CX; break; case UNW_X86_64_RBX: id = PERF_REG_X86_BX; break; case UNW_X86_64_RSI: id = PERF_REG_X86_SI; break; case UNW_X86_64_RDI: id = PERF_REG_X86_DI; break; case UNW_X86_64_RBP: id = PERF_REG_X86_BP; break; case UNW_X86_64_RSP: id = PERF_REG_X86_SP; break; case UNW_X86_64_R8: id = PERF_REG_X86_R8; break; case UNW_X86_64_R9: id = PERF_REG_X86_R9; break; case UNW_X86_64_R10: id = PERF_REG_X86_R10; break; case UNW_X86_64_R11: id = PERF_REG_X86_R11; break; case UNW_X86_64_R12: id = PERF_REG_X86_R12; break; case UNW_X86_64_R13: id = PERF_REG_X86_R13; break; case UNW_X86_64_R14: id = PERF_REG_X86_R14; break; case UNW_X86_64_R15: id = PERF_REG_X86_R15; break; case UNW_X86_64_RIP: id = PERF_REG_X86_IP; break; default: pr_err("unwind: invalid reg id %d\n", regnum); return -EINVAL; } return id; } #else int LIBUNWIND__ARCH_REG_ID(int regnum) { int id; switch (regnum) { case UNW_X86_EAX: id = PERF_REG_X86_AX; break; case UNW_X86_EDX: id = PERF_REG_X86_DX; break; case UNW_X86_ECX: id = PERF_REG_X86_CX; break; case UNW_X86_EBX: id = PERF_REG_X86_BX; break; case UNW_X86_ESI: id = PERF_REG_X86_SI; break; case UNW_X86_EDI: id = PERF_REG_X86_DI; break; case UNW_X86_EBP: id = PERF_REG_X86_BP; break; case UNW_X86_ESP: id = PERF_REG_X86_SP; break; case UNW_X86_EIP: id = PERF_REG_X86_IP; break; default: pr_err("unwind: invalid reg id %d\n", regnum); return -EINVAL; } return id; } #endif /* HAVE_ARCH_X86_64_SUPPORT */ |