Contributors: 25
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Josh Poimboeuf |
190 |
39.26% |
4 |
10.81% |
| Andi Kleen |
38 |
7.85% |
1 |
2.70% |
| Alexander van Heukelum |
37 |
7.64% |
3 |
8.11% |
| Peter Zijlstra |
34 |
7.02% |
2 |
5.41% |
| Soeren Sandmann Pedersen |
28 |
5.79% |
1 |
2.70% |
| Frédéric Weisbecker |
25 |
5.17% |
3 |
8.11% |
| Neil Horman |
21 |
4.34% |
1 |
2.70% |
| Borislav Petkov |
19 |
3.93% |
2 |
5.41% |
| Arjan van de Ven |
15 |
3.10% |
1 |
2.70% |
| Joerg Roedel |
12 |
2.48% |
2 |
5.41% |
| Török Edwin |
11 |
2.27% |
1 |
2.70% |
| Brian Gerst |
9 |
1.86% |
1 |
2.70% |
| Andrew Lutomirski |
7 |
1.45% |
1 |
2.70% |
| Steven Rostedt |
6 |
1.24% |
1 |
2.70% |
| H. Peter Anvin |
5 |
1.03% |
2 |
5.41% |
| Linus Torvalds (pre-git) |
5 |
1.03% |
1 |
2.70% |
| Jiri Olsa |
4 |
0.83% |
1 |
2.70% |
| Thomas Gleixner |
3 |
0.62% |
1 |
2.70% |
| Vegard Nossum |
3 |
0.62% |
1 |
2.70% |
| Jann Horn |
3 |
0.62% |
1 |
2.70% |
| Ingo Molnar |
3 |
0.62% |
2 |
5.41% |
| Linus Torvalds |
2 |
0.41% |
1 |
2.70% |
| Dave Hansen |
2 |
0.41% |
1 |
2.70% |
| Pavel Emelyanov |
1 |
0.21% |
1 |
2.70% |
| Greg Kroah-Hartman |
1 |
0.21% |
1 |
2.70% |
| Total |
484 |
|
37 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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>
#include <asm/cpu_entry_area.h>
#include <asm/switch_to.h>
enum stack_type {
STACK_TYPE_UNKNOWN,
STACK_TYPE_TASK,
STACK_TYPE_IRQ,
STACK_TYPE_SOFTIRQ,
STACK_TYPE_ENTRY,
STACK_TYPE_EXCEPTION,
STACK_TYPE_EXCEPTION_LAST = STACK_TYPE_EXCEPTION + N_EXCEPTION_STACKS-1,
};
struct stack_info {
enum stack_type type;
unsigned long *begin, *end, *next_sp;
};
bool in_task_stack(unsigned long *stack, struct task_struct *task,
struct stack_info *info);
bool in_entry_stack(unsigned long *stack, struct stack_info *info);
int get_stack_info(unsigned long *stack, struct task_struct *task,
struct stack_info *info, unsigned long *visit_mask);
bool get_stack_info_noinstr(unsigned long *stack, struct task_struct *task,
struct stack_info *info);
static __always_inline
bool get_stack_guard_info(unsigned long *stack, struct stack_info *info)
{
/* make sure it's not in the stack proper */
if (get_stack_info_noinstr(stack, current, info))
return false;
/* but if it is in the page below it, we hit a guard */
return get_stack_info_noinstr((void *)stack + PAGE_SIZE, current, info);
}
const char *stack_type_name(enum stack_type type);
static inline bool on_stack(struct stack_info *info, void *addr, size_t len)
{
void *begin = info->begin;
void *end = info->end;
return (info->type != STACK_TYPE_UNKNOWN &&
addr >= begin && addr < end &&
addr + len > begin && addr + len <= end);
}
#ifdef CONFIG_X86_32
#define STACKSLOTS_PER_LINE 8
#else
#define STACKSLOTS_PER_LINE 4
#endif
#ifdef CONFIG_FRAME_POINTER
static inline unsigned long *
get_frame_pointer(struct task_struct *task, struct pt_regs *regs)
{
if (regs)
return (unsigned long *)regs->bp;
if (task == current)
return __builtin_frame_address(0);
return &((struct inactive_task_frame *)task->thread.sp)->bp;
}
#else
static inline unsigned long *
get_frame_pointer(struct task_struct *task, struct pt_regs *regs)
{
return NULL;
}
#endif /* CONFIG_FRAME_POINTER */
static inline unsigned long *
get_stack_pointer(struct task_struct *task, struct pt_regs *regs)
{
if (regs)
return (unsigned long *)regs->sp;
if (task == current)
return __builtin_frame_address(0);
return (unsigned long *)task->thread.sp;
}
/* 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;
};
void show_opcodes(struct pt_regs *regs, const char *loglvl);
void show_ip(struct pt_regs *regs, const char *loglvl);
#endif /* _ASM_X86_STACKTRACE_H */