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#include <errno.h>
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"
int unwind__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;
}
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