tools/perf/util/perf-regs-arch/perf_regs_aarch64.c

Source file repositories/reference/linux-study-clean/tools/perf/util/perf-regs-arch/perf_regs_aarch64.c

File Facts

System
Linux kernel
Corpus path
tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
Extension
.c
Size
4832 bytes
Lines
230
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

if (fd != -1) {
			close(fd);
			return attr.sample_regs_user;
		}
	}
	return PERF_REGS_MASK;
}

const char *__perf_reg_name_arm64(int id)
{
	switch (id) {
	case PERF_REG_ARM64_X0:
		return "x0";
	case PERF_REG_ARM64_X1:
		return "x1";
	case PERF_REG_ARM64_X2:
		return "x2";
	case PERF_REG_ARM64_X3:
		return "x3";
	case PERF_REG_ARM64_X4:
		return "x4";
	case PERF_REG_ARM64_X5:
		return "x5";
	case PERF_REG_ARM64_X6:
		return "x6";
	case PERF_REG_ARM64_X7:
		return "x7";
	case PERF_REG_ARM64_X8:
		return "x8";
	case PERF_REG_ARM64_X9:
		return "x9";
	case PERF_REG_ARM64_X10:
		return "x10";
	case PERF_REG_ARM64_X11:
		return "x11";
	case PERF_REG_ARM64_X12:
		return "x12";
	case PERF_REG_ARM64_X13:
		return "x13";
	case PERF_REG_ARM64_X14:
		return "x14";
	case PERF_REG_ARM64_X15:
		return "x15";
	case PERF_REG_ARM64_X16:
		return "x16";
	case PERF_REG_ARM64_X17:
		return "x17";
	case PERF_REG_ARM64_X18:
		return "x18";
	case PERF_REG_ARM64_X19:
		return "x19";
	case PERF_REG_ARM64_X20:
		return "x20";
	case PERF_REG_ARM64_X21:
		return "x21";
	case PERF_REG_ARM64_X22:
		return "x22";
	case PERF_REG_ARM64_X23:
		return "x23";
	case PERF_REG_ARM64_X24:
		return "x24";
	case PERF_REG_ARM64_X25:
		return "x25";
	case PERF_REG_ARM64_X26:
		return "x26";
	case PERF_REG_ARM64_X27:
		return "x27";
	case PERF_REG_ARM64_X28:
		return "x28";
	case PERF_REG_ARM64_X29:
		return "x29";
	case PERF_REG_ARM64_SP:
		return "sp";
	case PERF_REG_ARM64_LR:
		return "lr";
	case PERF_REG_ARM64_PC:
		return "pc";
	case PERF_REG_ARM64_VG:
		return "vg";
	default:
		return NULL;
	}

	return NULL;
}

uint64_t __perf_reg_ip_arm64(void)
{
	return PERF_REG_ARM64_PC;
}

Annotation

Implementation Notes