116 lines
2.0 KiB
C
116 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <errno.h>
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#include "../../util/debug.h"
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#ifndef REMOTE_UNWIND_LIBUNWIND
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#include <libunwind.h>
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#include "perf_regs.h"
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#include "../../util/unwind.h"
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#endif
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#ifdef HAVE_ARCH_X86_64_SUPPORT
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int LIBUNWIND__ARCH_REG_ID(int regnum)
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{
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int id;
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switch (regnum) {
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case UNW_X86_64_RAX:
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id = PERF_REG_X86_AX;
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break;
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case UNW_X86_64_RDX:
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id = PERF_REG_X86_DX;
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break;
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case UNW_X86_64_RCX:
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id = PERF_REG_X86_CX;
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break;
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case UNW_X86_64_RBX:
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id = PERF_REG_X86_BX;
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break;
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case UNW_X86_64_RSI:
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id = PERF_REG_X86_SI;
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break;
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case UNW_X86_64_RDI:
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id = PERF_REG_X86_DI;
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break;
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case UNW_X86_64_RBP:
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id = PERF_REG_X86_BP;
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break;
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case UNW_X86_64_RSP:
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id = PERF_REG_X86_SP;
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break;
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case UNW_X86_64_R8:
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id = PERF_REG_X86_R8;
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break;
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case UNW_X86_64_R9:
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id = PERF_REG_X86_R9;
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break;
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case UNW_X86_64_R10:
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id = PERF_REG_X86_R10;
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break;
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case UNW_X86_64_R11:
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id = PERF_REG_X86_R11;
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break;
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case UNW_X86_64_R12:
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id = PERF_REG_X86_R12;
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break;
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case UNW_X86_64_R13:
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id = PERF_REG_X86_R13;
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break;
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case UNW_X86_64_R14:
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id = PERF_REG_X86_R14;
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break;
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case UNW_X86_64_R15:
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id = PERF_REG_X86_R15;
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break;
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case UNW_X86_64_RIP:
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id = PERF_REG_X86_IP;
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break;
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default:
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pr_err("unwind: invalid reg id %d\n", regnum);
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return -EINVAL;
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}
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return id;
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}
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#else
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int LIBUNWIND__ARCH_REG_ID(int regnum)
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{
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int id;
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switch (regnum) {
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case UNW_X86_EAX:
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id = PERF_REG_X86_AX;
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break;
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case UNW_X86_EDX:
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id = PERF_REG_X86_DX;
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break;
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case UNW_X86_ECX:
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id = PERF_REG_X86_CX;
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break;
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case UNW_X86_EBX:
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id = PERF_REG_X86_BX;
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break;
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case UNW_X86_ESI:
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id = PERF_REG_X86_SI;
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break;
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case UNW_X86_EDI:
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id = PERF_REG_X86_DI;
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break;
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case UNW_X86_EBP:
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id = PERF_REG_X86_BP;
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break;
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case UNW_X86_ESP:
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id = PERF_REG_X86_SP;
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break;
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case UNW_X86_EIP:
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id = PERF_REG_X86_IP;
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break;
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default:
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pr_err("unwind: invalid reg id %d\n", regnum);
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return -EINVAL;
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}
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return id;
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}
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#endif /* HAVE_ARCH_X86_64_SUPPORT */
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