mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 11:44:01 +08:00
449a66fd1f
Both warning and warning_symbol are nowhere used. Let's get rid of them. Signed-off-by: Richard Weinberger <richard@nod.at> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Soeren Sandmann Pedersen <ssp@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: x86 <x86@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Robert Richter <robert.richter@amd.com> Cc: Paul Mundt <lethal@linux-sh.org> Link: http://lkml.kernel.org/r/1305205872-10321-2-git-send-email-richard@nod.at Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
119 lines
2.7 KiB
C
119 lines
2.7 KiB
C
/*
|
|
* Copyright (C) 1991, 1992 Linus Torvalds
|
|
* Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
|
|
*/
|
|
|
|
#ifndef _ASM_X86_STACKTRACE_H
|
|
#define _ASM_X86_STACKTRACE_H
|
|
|
|
#include <linux/uaccess.h>
|
|
#include <linux/ptrace.h>
|
|
|
|
extern int kstack_depth_to_print;
|
|
|
|
struct thread_info;
|
|
struct stacktrace_ops;
|
|
|
|
typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo,
|
|
unsigned long *stack,
|
|
unsigned long bp,
|
|
const struct stacktrace_ops *ops,
|
|
void *data,
|
|
unsigned long *end,
|
|
int *graph);
|
|
|
|
extern unsigned long
|
|
print_context_stack(struct thread_info *tinfo,
|
|
unsigned long *stack, unsigned long bp,
|
|
const struct stacktrace_ops *ops, void *data,
|
|
unsigned long *end, int *graph);
|
|
|
|
extern unsigned long
|
|
print_context_stack_bp(struct thread_info *tinfo,
|
|
unsigned long *stack, unsigned long bp,
|
|
const struct stacktrace_ops *ops, void *data,
|
|
unsigned long *end, int *graph);
|
|
|
|
/* Generic stack tracer with callbacks */
|
|
|
|
struct stacktrace_ops {
|
|
void (*address)(void *data, unsigned long address, int reliable);
|
|
/* On negative return stop dumping */
|
|
int (*stack)(void *data, char *name);
|
|
walk_stack_t walk_stack;
|
|
};
|
|
|
|
void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
|
|
unsigned long *stack, unsigned long bp,
|
|
const struct stacktrace_ops *ops, void *data);
|
|
|
|
#ifdef CONFIG_X86_32
|
|
#define STACKSLOTS_PER_LINE 8
|
|
#define get_bp(bp) asm("movl %%ebp, %0" : "=r" (bp) :)
|
|
#else
|
|
#define STACKSLOTS_PER_LINE 4
|
|
#define get_bp(bp) asm("movq %%rbp, %0" : "=r" (bp) :)
|
|
#endif
|
|
|
|
#ifdef CONFIG_FRAME_POINTER
|
|
static inline unsigned long
|
|
stack_frame(struct task_struct *task, struct pt_regs *regs)
|
|
{
|
|
unsigned long bp;
|
|
|
|
if (regs)
|
|
return regs->bp;
|
|
|
|
if (task == current) {
|
|
/* Grab bp right from our regs */
|
|
get_bp(bp);
|
|
return bp;
|
|
}
|
|
|
|
/* bp is the last reg pushed by switch_to */
|
|
return *(unsigned long *)task->thread.sp;
|
|
}
|
|
#else
|
|
static inline unsigned long
|
|
stack_frame(struct task_struct *task, struct pt_regs *regs)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
extern void
|
|
show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
|
|
unsigned long *stack, unsigned long bp, char *log_lvl);
|
|
|
|
extern void
|
|
show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
|
|
unsigned long *sp, unsigned long bp, char *log_lvl);
|
|
|
|
extern unsigned int code_bytes;
|
|
|
|
/* The form of the top of the frame on the stack */
|
|
struct stack_frame {
|
|
struct stack_frame *next_frame;
|
|
unsigned long return_address;
|
|
};
|
|
|
|
struct stack_frame_ia32 {
|
|
u32 next_frame;
|
|
u32 return_address;
|
|
};
|
|
|
|
static inline unsigned long caller_frame_pointer(void)
|
|
{
|
|
struct stack_frame *frame;
|
|
|
|
get_bp(frame);
|
|
|
|
#ifdef CONFIG_FRAME_POINTER
|
|
frame = frame->next_frame;
|
|
#endif
|
|
|
|
return (unsigned long)frame;
|
|
}
|
|
|
|
#endif /* _ASM_X86_STACKTRACE_H */
|