arch/arm/include/asm/probes.h

Source file repositories/reference/linux-study-clean/arch/arm/include/asm/probes.h

File Facts

System
Linux kernel
Corpus path
arch/arm/include/asm/probes.h
Extension
.h
Size
1332 bytes
Lines
50
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

struct arch_probes_insn {
	probes_opcode_t			*insn;
	probes_insn_handler_t		*insn_handler;
	probes_check_cc			*insn_check_cc;
	probes_insn_singlestep_t	*insn_singlestep;
	probes_insn_fn_t		*insn_fn;
	int				stack_space;
	unsigned long			register_usage_flags;
	bool				kprobe_direct_exec;
};

#endif /* __ASSEMBLY__ */

/*
 * We assume one instruction can consume at most 64 bytes stack, which is
 * 'push {r0-r15}'. Instructions consume more or unknown stack space like
 * 'str r0, [sp, #-80]' and 'str r0, [sp, r1]' should be prohibit to probe.
 */
#define MAX_STACK_SIZE			64

#endif

Annotation

Implementation Notes