arch/alpha/include/uapi/asm/ptrace.h

Source file repositories/reference/linux-study-clean/arch/alpha/include/uapi/asm/ptrace.h

File Facts

System
Linux kernel
Corpus path
arch/alpha/include/uapi/asm/ptrace.h
Extension
.h
Size
1802 bytes
Lines
76
Domain
Architecture Layer
Bucket
arch/alpha
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 pt_regs {
	unsigned long r0;
	unsigned long r1;
	unsigned long r2;
	unsigned long r3;
	unsigned long r4;
	unsigned long r5;
	unsigned long r6;
	unsigned long r7;
	unsigned long r8;
	unsigned long r19;
	unsigned long r20;
	unsigned long r21;
	unsigned long r22;
	unsigned long r23;
	unsigned long r24;
	unsigned long r25;
	unsigned long r26;
	unsigned long r27;
	unsigned long r28;
	unsigned long hae;
/* JRP - These are the values provided to a0-a2 by PALcode */
	unsigned long trap_a0;
	unsigned long trap_a1;
	unsigned long trap_a2;
/* This makes the stack 16-byte aligned as GCC expects */
	unsigned long __pad0;
/* These are saved by PAL-code: */
	unsigned long ps;
	unsigned long pc;
	unsigned long gp;
	unsigned long r16;
	unsigned long r17;
	unsigned long r18;
};

/*
 * This is the extended stack used by signal handlers and the context
 * switcher: it's pushed after the normal "struct pt_regs".
 */
struct switch_stack {
	unsigned long r9;
	unsigned long r10;
	unsigned long r11;
	unsigned long r12;
	unsigned long r13;
	unsigned long r14;
	unsigned long r15;
	unsigned long r26;
#ifndef __KERNEL__
	unsigned long fp[32];	/* fp[31] is fpcr */
#endif
};


#endif /* _UAPI_ASMAXP_PTRACE_H */

Annotation

Implementation Notes