Files
Linux_Drivers/linux_5.10/tools/perf/arch/arm/util/unwind-libunwind.c
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

51 lines
1.0 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"
#include "../../util/debug.h"
int libunwind__arch_reg_id(int regnum)
{
switch (regnum) {
case UNW_ARM_R0:
return PERF_REG_ARM_R0;
case UNW_ARM_R1:
return PERF_REG_ARM_R1;
case UNW_ARM_R2:
return PERF_REG_ARM_R2;
case UNW_ARM_R3:
return PERF_REG_ARM_R3;
case UNW_ARM_R4:
return PERF_REG_ARM_R4;
case UNW_ARM_R5:
return PERF_REG_ARM_R5;
case UNW_ARM_R6:
return PERF_REG_ARM_R6;
case UNW_ARM_R7:
return PERF_REG_ARM_R7;
case UNW_ARM_R8:
return PERF_REG_ARM_R8;
case UNW_ARM_R9:
return PERF_REG_ARM_R9;
case UNW_ARM_R10:
return PERF_REG_ARM_R10;
case UNW_ARM_R11:
return PERF_REG_ARM_FP;
case UNW_ARM_R12:
return PERF_REG_ARM_IP;
case UNW_ARM_R13:
return PERF_REG_ARM_SP;
case UNW_ARM_R14:
return PERF_REG_ARM_LR;
case UNW_ARM_R15:
return PERF_REG_ARM_PC;
default:
pr_err("unwind: invalid reg id %d\n", regnum);
return -EINVAL;
}
return -EINVAL;
}