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

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

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/test_get_stack_rawtp_err.c
Extension
.c
Size
438 bytes
Lines
27
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

// SPDX-License-Identifier: GPL-2.0

#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>

#define MAX_STACK_RAWTP 10

SEC("raw_tracepoint/sys_enter")
int bpf_prog2(void *ctx)
{
	__u64 stack[MAX_STACK_RAWTP];
	int error;

	/* set all the flags which should return -EINVAL */
	error = bpf_get_stack(ctx, stack, 0, -1);
	if (error < 0)
		goto loop;

	return error;
loop:
	while (1) {
		error++;
	}
}

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

Annotation

Implementation Notes