tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c
Extension
.c
Size
1119 bytes
Lines
74
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: syscall or user/kernel boundary
Status
core 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

// SPDX-License-Identifier: GPL-2.0
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/usdt.bpf.h>
#include <string.h>

struct pt_regs regs;

char _license[] SEC("license") = "GPL";

int executed = 0;
int pid;

SEC("uprobe")
int BPF_UPROBE(test_uprobe)
{
	if (bpf_get_current_pid_tgid() >> 32 != pid)
		return 0;

	executed++;
	return 0;
}

SEC("uretprobe")
int BPF_URETPROBE(test_uretprobe)
{
	if (bpf_get_current_pid_tgid() >> 32 != pid)
		return 0;

	executed++;
	return 0;
}

SEC("uprobe.multi")
int test_uprobe_multi(struct pt_regs *ctx)
{
	if (bpf_get_current_pid_tgid() >> 32 != pid)
		return 0;

	executed++;
	return 0;
}

SEC("uretprobe.multi")
int test_uretprobe_multi(struct pt_regs *ctx)
{
	if (bpf_get_current_pid_tgid() >> 32 != pid)
		return 0;

	executed++;
	return 0;
}

SEC("uprobe.session")
int test_uprobe_session(struct pt_regs *ctx)
{
	if (bpf_get_current_pid_tgid() >> 32 != pid)
		return 0;

	executed++;
	return 0;
}

SEC("usdt")
int test_usdt(struct pt_regs *ctx)
{
	if (bpf_get_current_pid_tgid() >> 32 != pid)
		return 0;

	executed++;
	return 0;
}

Annotation

Implementation Notes