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58 lines
1.5 KiB
58 lines
1.5 KiB
/*
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* Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
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* Licensed under the GPL
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*/
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#ifndef __SYSDEP_STUB_H
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#define __SYSDEP_STUB_H
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#include <asm/ptrace.h>
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#include <asm/unistd.h>
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#include <sysdep/ptrace_user.h>
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extern void stub_segv_handler(int sig);
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extern void stub_clone_handler(void);
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#define STUB_SYSCALL_RET PT_INDEX(RAX)
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#define STUB_MMAP_NR __NR_mmap
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#define MMAP_OFFSET(o) (o)
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static inline long stub_syscall2(long syscall, long arg1, long arg2)
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{
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long ret;
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__asm__("movq %0, %%rsi; " : : "g" (arg2) : "%rsi");
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__asm__("movq %0, %%rdi; " : : "g" (arg1) : "%rdi");
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__asm__("movq %0, %%rax; " : : "g" (syscall) : "%rax");
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__asm__("syscall;" : : : "%rax", "%r11", "%rcx");
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__asm__ __volatile__("movq %%rax, %0; " : "=g" (ret) :);
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return(ret);
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}
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static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3)
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{
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__asm__("movq %0, %%rdx; " : : "g" (arg3) : "%rdx");
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return(stub_syscall2(syscall, arg1, arg2));
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}
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static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3,
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long arg4)
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{
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__asm__("movq %0, %%r10; " : : "g" (arg4) : "%r10");
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return(stub_syscall3(syscall, arg1, arg2, arg3));
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}
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static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
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long arg4, long arg5, long arg6)
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{
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__asm__("movq %0, %%r9; " : : "g" (arg6) : "%r9");
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__asm__("movq %0, %%r8; " : : "g" (arg5) : "%r8");
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return(stub_syscall4(syscall, arg1, arg2, arg3, arg4));
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}
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static inline void trap_myself(void)
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{
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__asm("int3");
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}
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#endif
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