7495f3742d
This patch hooks in the perf_regs and libunwind code for ARM. Cc: Jean Pihet <jean.pihet@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
48 lines
966 B
C
48 lines
966 B
C
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#include <errno.h>
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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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int unwind__arch_reg_id(int regnum)
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{
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switch (regnum) {
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case UNW_ARM_R0:
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return PERF_REG_ARM_R0;
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case UNW_ARM_R1:
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return PERF_REG_ARM_R1;
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case UNW_ARM_R2:
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return PERF_REG_ARM_R2;
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case UNW_ARM_R3:
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return PERF_REG_ARM_R3;
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case UNW_ARM_R4:
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return PERF_REG_ARM_R4;
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case UNW_ARM_R5:
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return PERF_REG_ARM_R5;
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case UNW_ARM_R6:
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return PERF_REG_ARM_R6;
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case UNW_ARM_R7:
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return PERF_REG_ARM_R7;
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case UNW_ARM_R8:
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return PERF_REG_ARM_R8;
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case UNW_ARM_R9:
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return PERF_REG_ARM_R9;
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case UNW_ARM_R10:
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return PERF_REG_ARM_R10;
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case UNW_ARM_R11:
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return PERF_REG_ARM_FP;
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case UNW_ARM_R12:
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return PERF_REG_ARM_IP;
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case UNW_ARM_R13:
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return PERF_REG_ARM_SP;
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case UNW_ARM_R14:
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return PERF_REG_ARM_LR;
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case UNW_ARM_R15:
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return PERF_REG_ARM_PC;
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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 -EINVAL;
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}
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