tools/testing/selftests/bpf/progs/test_global_func3.c
Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/test_global_func3.c
File Facts
- System
- Linux kernel
- Corpus path
tools/testing/selftests/bpf/progs/test_global_func3.c- Extension
.c- Size
- 1729 bytes
- Lines
- 110
- 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.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
stddef.hlinux/bpf.hbpf/bpf_helpers.hbpf_misc.h
Detected Declarations
function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __attribute__function __msg
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2020 Facebook */
#include <stddef.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"
static __attribute__ ((noinline))
int f1(struct __sk_buff *skb)
{
return skb->len;
}
static __attribute__ ((noinline))
int f2(int val, struct __sk_buff *skb)
{
return f1(skb) + val;
}
static __attribute__ ((noinline))
int f3(int val, struct __sk_buff *skb, int var)
{
return f2(var, skb) + val;
}
static __attribute__ ((noinline))
int f4(struct __sk_buff *skb)
{
return f3(1, skb, 2);
}
static __attribute__ ((noinline))
int f5(struct __sk_buff *skb)
{
return f4(skb);
}
static __attribute__ ((noinline))
int f6(struct __sk_buff *skb)
{
return f5(skb);
}
static __attribute__ ((noinline))
int f7(struct __sk_buff *skb)
{
return f6(skb);
}
static __attribute__ ((noinline))
int f8(struct __sk_buff *skb)
{
return f7(skb);
}
static __attribute__ ((noinline))
int f9(struct __sk_buff *skb)
{
return f8(skb);
}
static __attribute__ ((noinline))
int f10(struct __sk_buff *skb)
{
return f9(skb);
}
static __attribute__ ((noinline))
int f11(struct __sk_buff *skb)
{
return f10(skb);
}
static __attribute__ ((noinline))
int f12(struct __sk_buff *skb)
{
return f11(skb);
}
static __attribute__ ((noinline))
int f13(struct __sk_buff *skb)
{
return f12(skb);
}
static __attribute__ ((noinline))
int f14(struct __sk_buff *skb)
{
return f13(skb);
}
Annotation
- Immediate include surface: `stddef.h`, `linux/bpf.h`, `bpf/bpf_helpers.h`, `bpf_misc.h`.
- Detected declarations: `function __attribute__`, `function __attribute__`, `function __attribute__`, `function __attribute__`, `function __attribute__`, `function __attribute__`, `function __attribute__`, `function __attribute__`, `function __attribute__`, `function __attribute__`.
- Atlas domain: Support Tooling And Documentation / tools.
- Implementation status: source implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.