2 * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
3 * Licensed under the GPL
6 #ifndef __SYSDEP_STUB_H
7 #define __SYSDEP_STUB_H
9 #include <asm/ptrace.h>
10 #include <asm/unistd.h>
11 #include <sysdep/ptrace_user.h>
13 extern void stub_segv_handler(int sig);
14 extern void stub_clone_handler(void);
16 #define STUB_SYSCALL_RET PT_INDEX(RAX)
17 #define STUB_MMAP_NR __NR_mmap
18 #define MMAP_OFFSET(o) (o)
20 static inline long stub_syscall2(long syscall, long arg1, long arg2)
24 __asm__("movq %0, %%rsi; " : : "g" (arg2) : "%rsi");
25 __asm__("movq %0, %%rdi; " : : "g" (arg1) : "%rdi");
26 __asm__("movq %0, %%rax; " : : "g" (syscall) : "%rax");
27 __asm__("syscall;" : : : "%rax", "%r11", "%rcx");
28 __asm__ __volatile__("movq %%rax, %0; " : "=g" (ret) :);
32 static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3)
34 __asm__("movq %0, %%rdx; " : : "g" (arg3) : "%rdx");
35 return(stub_syscall2(syscall, arg1, arg2));
38 static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3,
41 __asm__("movq %0, %%r10; " : : "g" (arg4) : "%r10");
42 return(stub_syscall3(syscall, arg1, arg2, arg3));
45 static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
46 long arg4, long arg5, long arg6)
48 __asm__("movq %0, %%r9; " : : "g" (arg6) : "%r9");
49 __asm__("movq %0, %%r8; " : : "g" (arg5) : "%r8");
50 return(stub_syscall4(syscall, arg1, arg2, arg3, arg4));
53 static inline void trap_myself(void)