From 8569c9140bd41089f9b6be8837ca421102714a90 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 13:48:37 -0400 Subject: x86, um: take arch/um/include/* out of the way We can't just plop asm/* into it - userland helpers are built with it in search path and seeing asm/* show up there suddenly would be a bad idea. Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/sysdep-x86_64/stub.h | 108 ----------------------------------- 1 file changed, 108 deletions(-) delete mode 100644 arch/um/include/sysdep-x86_64/stub.h (limited to 'arch/um/include/sysdep-x86_64/stub.h') diff --git a/arch/um/include/sysdep-x86_64/stub.h b/arch/um/include/sysdep-x86_64/stub.h deleted file mode 100644 index 655f9c2de3a..00000000000 --- a/arch/um/include/sysdep-x86_64/stub.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_STUB_H -#define __SYSDEP_STUB_H - -#include -#include -#include -#include "as-layout.h" -#include "stub-data.h" -#include "kern_constants.h" -#include "uml-config.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) - -#define __syscall_clobber "r11","rcx","memory" -#define __syscall "syscall" - -static inline long stub_syscall0(long syscall) -{ - long ret; - - __asm__ volatile (__syscall - : "=a" (ret) - : "0" (syscall) : __syscall_clobber ); - - return ret; -} - -static inline long stub_syscall2(long syscall, long arg1, long arg2) -{ - long ret; - - __asm__ volatile (__syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2) : __syscall_clobber ); - - return ret; -} - -static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3) -{ - long ret; - - __asm__ volatile (__syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3) - : __syscall_clobber ); - - return ret; -} - -static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3, - long arg4) -{ - long ret; - - __asm__ volatile ("movq %5,%%r10 ; " __syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), - "g" (arg4) - : __syscall_clobber, "r10" ); - - return ret; -} - -static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, - long arg4, long arg5) -{ - long ret; - - __asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " __syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), - "g" (arg4), "g" (arg5) - : __syscall_clobber, "r10", "r8" ); - - return ret; -} - -static inline void trap_myself(void) -{ - __asm("int3"); -} - -static inline void remap_stack(long fd, unsigned long offset) -{ - __asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; " - "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; " - "movq %%rax, (%%rbx)": - : "a" (STUB_MMAP_NR), "D" (STUB_DATA), - "S" (UM_KERN_PAGE_SIZE), - "d" (PROT_READ | PROT_WRITE), - "g" (MAP_FIXED | MAP_SHARED), "g" (fd), - "g" (offset), - "i" (&((struct stub_data *) STUB_DATA)->err) - : __syscall_clobber, "r10", "r8", "r9" ); -} - -#endif -- cgit v1.2.3