include/linux/stacktrace.h

File Facts

System

Linux kernel

Corpus path

include/linux/stacktrace.h

Extension

.h

Size

4097 bytes

Lines

112

Domain

Core OS

Bucket

Core Kernel Interface

Inferred role

Core OS: implementation source

Status

source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/types.h
• asm/errno.h

Detected Declarations

• struct task_struct
• struct pt_regs
• struct stack_trace
• function stack_trace_save_tsk_reliable

Annotated Snippet

struct stack_trace {
	unsigned int nr_entries, max_entries;
	unsigned long *entries;
	unsigned int skip;	/* input argument: How many entries to skip */
};

extern void save_stack_trace(struct stack_trace *trace);
extern void save_stack_trace_regs(struct pt_regs *regs,
				  struct stack_trace *trace);
extern void save_stack_trace_tsk(struct task_struct *tsk,
				struct stack_trace *trace);
extern int save_stack_trace_tsk_reliable(struct task_struct *tsk,
					 struct stack_trace *trace);
extern void save_stack_trace_user(struct stack_trace *trace);
#endif /* !CONFIG_ARCH_STACKWALK */
#endif /* CONFIG_STACKTRACE */

#if defined(CONFIG_STACKTRACE) && defined(CONFIG_HAVE_RELIABLE_STACKTRACE)
int stack_trace_save_tsk_reliable(struct task_struct *tsk, unsigned long *store,
				  unsigned int size);
#else
static inline int stack_trace_save_tsk_reliable(struct task_struct *tsk,
						unsigned long *store,
						unsigned int size)
{
	return -ENOSYS;
}
#endif

#endif /* __LINUX_STACKTRACE_H */

Annotation

• Immediate include surface: `linux/types.h`, `asm/errno.h`.
• Detected declarations: `struct task_struct`, `struct pt_regs`, `struct stack_trace`, `function stack_trace_save_tsk_reliable`.
• Atlas domain: Core OS / Core Kernel Interface.
• 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.