On Mon, 2016-01-11 at 15:58 +0530, Anju T wrote:
> diff --git a/tools/perf/arch/powerpc/include/perf_regs.h
> b/tools/perf/arch/powerpc/include/perf_regs.h
> new file mode 100644
> index 0000000..93080f5
> --- /dev/null
> +++ b/tools/perf/arch/powerpc/include/perf_regs.h
> @@ -0,0 +1,64 @@
> +#ifndef ARCH_PERF_REGS_H
> +#define ARCH_PERF_REGS_H
> +
> +#include <stdlib.h>
> +#include <linux/types.h>
> +#include <asm/perf_regs.h>
> +
> +#define PERF_REGS_MASK ((1ULL << PERF_REG_POWERPC_MAX) - 1)
> +#define PERF_REGS_MAX PERF_REG_POWERPC_MAX
> +#define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
That looks wrong if perf is built 32-bit ?
> +#define PERF_REG_IP PERF_REG_POWERPC_NIP
> +#define PERF_REG_SP PERF_REG_POWERPC_GPR1
> +
> +static const char *reg_names[] = {
> + [PERF_REG_POWERPC_GPR0] = "gpr0",
Can you instead call them "r0" etc.
That is much more common on powerpc than "gpr0".
> + [PERF_REG_POWERPC_GPR1] = "gpr1",
> + [PERF_REG_POWERPC_GPR2] = "gpr2",
> + [PERF_REG_POWERPC_GPR3] = "gpr3",
> + [PERF_REG_POWERPC_GPR4] = "gpr4",
> + [PERF_REG_POWERPC_GPR5] = "gpr5",
> + [PERF_REG_POWERPC_GPR6] = "gpr6",
> + [PERF_REG_POWERPC_GPR7] = "gpr7",
> + [PERF_REG_POWERPC_GPR8] = "gpr8",
> + [PERF_REG_POWERPC_GPR9] = "gpr9",
> + [PERF_REG_POWERPC_GPR10] = "gpr10",
> + [PERF_REG_POWERPC_GPR11] = "gpr11",
> + [PERF_REG_POWERPC_GPR12] = "gpr12",
> + [PERF_REG_POWERPC_GPR13] = "gpr13",
> + [PERF_REG_POWERPC_GPR14] = "gpr14",
> + [PERF_REG_POWERPC_GPR15] = "gpr15",
> + [PERF_REG_POWERPC_GPR16] = "gpr16",
> + [PERF_REG_POWERPC_GPR17] = "gpr17",
> + [PERF_REG_POWERPC_GPR18] = "gpr18",
> + [PERF_REG_POWERPC_GPR19] = "gpr19",
> + [PERF_REG_POWERPC_GPR20] = "gpr20",
> + [PERF_REG_POWERPC_GPR21] = "gpr21",
> + [PERF_REG_POWERPC_GPR22] = "gpr22",
> + [PERF_REG_POWERPC_GPR23] = "gpr23",
> + [PERF_REG_POWERPC_GPR24] = "gpr24",
> + [PERF_REG_POWERPC_GPR25] = "gpr25",
> + [PERF_REG_POWERPC_GPR26] = "gpr26",
> + [PERF_REG_POWERPC_GPR27] = "gpr27",
> + [PERF_REG_POWERPC_GPR28] = "gpr28",
> + [PERF_REG_POWERPC_GPR29] = "gpr29",
> + [PERF_REG_POWERPC_GPR30] = "gpr30",
> + [PERF_REG_POWERPC_GPR31] = "gpr31",
> + [PERF_REG_POWERPC_NIP] = "nip",
> + [PERF_REG_POWERPC_MSR] = "msr",
> + [PERF_REG_POWERPC_ORIG_R3] = "orig_r3",
> + [PERF_REG_POWERPC_CTR] = "ctr",
> + [PERF_REG_POWERPC_LNK] = "link",
> + [PERF_REG_POWERPC_XER] = "xer",
> + [PERF_REG_POWERPC_CCR] = "ccr",
> + [PERF_REG_POWERPC_TRAP] = "trap",
> + [PERF_REG_POWERPC_DAR] = "dar",
> + [PERF_REG_POWERPC_DSISR] = "dsisr"
> +};
> +
> +static inline const char *perf_reg_name(int id)
> +{
> + return reg_names[id];
> +}
> +#endif /* ARCH_PERF_REGS_H */
> diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
> index 38a0853..62a2f2d 100644
> --- a/tools/perf/config/Makefile
> +++ b/tools/perf/config/Makefile
> @@ -23,6 +23,11 @@ $(call detected_var,ARCH)
>
> NO_PERF_REGS := 1
>
> +# Additional ARCH settings for ppc64
> +ifeq ($(ARCH),powerpc)
powerpc also includes ppc, ie. 32-bit, so the comment is wrong.
> + NO_PERF_REGS := 0
> +endif
> +
> # Additional ARCH settings for x86
> ifeq ($(ARCH),x86)
> $(call detected,CONFIG_X86)
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