8ab596afb9
This patch hooks in the perf_regs and libunwind code for ARM64. The tools/perf/arch/arm64 is created; it contains the arch specific code for DWARF unwinding. Signed-off-by: Jean Pihet <jean.pihet@linaro.org> Acked-by: Will Deacon <will.deacon@arm.com> Link: http://lkml.kernel.org/r/1398688353-3737-1-git-send-email-jean.pihet@linaro.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
82 lines
1.9 KiB
C
82 lines
1.9 KiB
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 libunwind__arch_reg_id(int regnum)
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{
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switch (regnum) {
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case UNW_AARCH64_X0:
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return PERF_REG_ARM64_X0;
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case UNW_AARCH64_X1:
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return PERF_REG_ARM64_X1;
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case UNW_AARCH64_X2:
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return PERF_REG_ARM64_X2;
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case UNW_AARCH64_X3:
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return PERF_REG_ARM64_X3;
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case UNW_AARCH64_X4:
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return PERF_REG_ARM64_X4;
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case UNW_AARCH64_X5:
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return PERF_REG_ARM64_X5;
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case UNW_AARCH64_X6:
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return PERF_REG_ARM64_X6;
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case UNW_AARCH64_X7:
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return PERF_REG_ARM64_X7;
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case UNW_AARCH64_X8:
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return PERF_REG_ARM64_X8;
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case UNW_AARCH64_X9:
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return PERF_REG_ARM64_X9;
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case UNW_AARCH64_X10:
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return PERF_REG_ARM64_X10;
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case UNW_AARCH64_X11:
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return PERF_REG_ARM64_X11;
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case UNW_AARCH64_X12:
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return PERF_REG_ARM64_X12;
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case UNW_AARCH64_X13:
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return PERF_REG_ARM64_X13;
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case UNW_AARCH64_X14:
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return PERF_REG_ARM64_X14;
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case UNW_AARCH64_X15:
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return PERF_REG_ARM64_X15;
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case UNW_AARCH64_X16:
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return PERF_REG_ARM64_X16;
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case UNW_AARCH64_X17:
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return PERF_REG_ARM64_X17;
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case UNW_AARCH64_X18:
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return PERF_REG_ARM64_X18;
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case UNW_AARCH64_X19:
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return PERF_REG_ARM64_X19;
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case UNW_AARCH64_X20:
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return PERF_REG_ARM64_X20;
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case UNW_AARCH64_X21:
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return PERF_REG_ARM64_X21;
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case UNW_AARCH64_X22:
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return PERF_REG_ARM64_X22;
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case UNW_AARCH64_X23:
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return PERF_REG_ARM64_X23;
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case UNW_AARCH64_X24:
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return PERF_REG_ARM64_X24;
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case UNW_AARCH64_X25:
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return PERF_REG_ARM64_X25;
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case UNW_AARCH64_X26:
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return PERF_REG_ARM64_X26;
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case UNW_AARCH64_X27:
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return PERF_REG_ARM64_X27;
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case UNW_AARCH64_X28:
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return PERF_REG_ARM64_X28;
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case UNW_AARCH64_X29:
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return PERF_REG_ARM64_X29;
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case UNW_AARCH64_X30:
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return PERF_REG_ARM64_LR;
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case UNW_AARCH64_SP:
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return PERF_REG_ARM64_SP;
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case UNW_AARCH64_PC:
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return PERF_REG_ARM64_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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