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| // 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 */
|
|
