1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
#ifndef __SYSDEP_STUB_H
#define __SYSDEP_STUB_H
#include <asm/ptrace.h>
#include <asm/unistd.h>
#include <sysdep/ptrace_user.h>
extern void stub_segv_handler(int sig);
extern void stub_clone_handler(void);
#define STUB_SYSCALL_RET PT_INDEX(RAX)
#define STUB_MMAP_NR __NR_mmap
#define MMAP_OFFSET(o) (o)
static inline long stub_syscall2(long syscall, long arg1, long arg2)
{
long ret;
__asm__("movq %0, %%rsi; " : : "g" (arg2) : "%rsi");
__asm__("movq %0, %%rdi; " : : "g" (arg1) : "%rdi");
__asm__("movq %0, %%rax; " : : "g" (syscall) : "%rax");
__asm__("syscall;" : : : "%rax", "%r11", "%rcx");
__asm__ __volatile__("movq %%rax, %0; " : "=g" (ret) :);
return(ret);
}
static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3)
{
__asm__("movq %0, %%rdx; " : : "g" (arg3) : "%rdx");
return(stub_syscall2(syscall, arg1, arg2));
}
static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3,
long arg4)
{
__asm__("movq %0, %%r10; " : : "g" (arg4) : "%r10");
return(stub_syscall3(syscall, arg1, arg2, arg3));
}
static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
long arg4, long arg5, long arg6)
{
__asm__("movq %0, %%r9; " : : "g" (arg6) : "%r9");
__asm__("movq %0, %%r8; " : : "g" (arg5) : "%r8");
return(stub_syscall4(syscall, arg1, arg2, arg3, arg4));
}
static inline void trap_myself(void)
{
__asm("int3");
}
#endif
|
