mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-10-30 10:45:40 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2007
 | |
|      Free Software Foundation, Inc.
 | |
| 
 | |
|    This file is part of the GNU C Library.
 | |
| 
 | |
|    The GNU C Library is free software; you can redistribute it and/or
 | |
|    modify it under the terms of the GNU Lesser General Public
 | |
|    License as published by the Free Software Foundation; either
 | |
|    version 2.1 of the License, or (at your option) any later version.
 | |
| 
 | |
|    The GNU C Library is distributed in the hope that it will be useful,
 | |
|    but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|    Lesser General Public License for more details.
 | |
| 
 | |
|    You should have received a copy of the GNU Lesser General Public
 | |
|    License along with the GNU C Library; if not, see
 | |
|    <http://www.gnu.org/licenses/>.  */
 | |
| 
 | |
| #ifndef _MACH_I386_SYSDEP_H
 | |
| #define _MACH_I386_SYSDEP_H 1
 | |
| 
 | |
| /* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO.  */
 | |
| #include <dl-sysdep.h>
 | |
| #include <tls.h>
 | |
| 
 | |
| #define LOSE asm volatile ("hlt")
 | |
| 
 | |
| #define SNARF_ARGS(entry_sp, argc, argv, envp)				      \
 | |
|   do									      \
 | |
|     {									      \
 | |
|       register char **p;						      \
 | |
|       argc = (int) *entry_sp;						      \
 | |
|       argv = (char **) (entry_sp + 1);					      \
 | |
|       p = argv;								      \
 | |
|       while (*p++ != NULL)						      \
 | |
| 	;								      \
 | |
|       if (p >= (char **) argv[0])					      \
 | |
| 	--p;								      \
 | |
|       envp = p;							      \
 | |
|     } while (0)
 | |
| 
 | |
| #define CALL_WITH_SP(fn, info, sp) \
 | |
|   do {									      \
 | |
| 	void **ptr = (void **) sp;					      \
 | |
| 	*--(__typeof (info) *) ptr = info;				      \
 | |
| 	ptr[-1] = ptr;							      \
 | |
| 	--ptr;								      \
 | |
|     asm volatile ("movl %0, %%esp; call %1" : : 			      \
 | |
| 		  "g" (ptr), "m" (*(long int *) (fn)) : "%esp"); 	      \
 | |
|   } while (0)
 | |
| 
 | |
| #define RETURN_TO(sp, pc, retval) \
 | |
|   asm volatile ("movl %0, %%esp; jmp %*%1 # %2" \
 | |
| 		: : "g" (sp), "r" (pc), "a" (retval))
 | |
| 
 | |
| 
 | |
| #define STACK_GROWTH_DOWN
 | |
| 
 | |
| /* Get the machine-independent Mach definitions.  */
 | |
| #include <sysdeps/mach/sysdep.h>
 | |
| 
 | |
| 
 | |
| /* This should be rearranged, but at the moment this file provides
 | |
|    the most useful definitions for assembler syntax details.  */
 | |
| #undef ENTRY
 | |
| #undef ALIGN
 | |
| #include <sysdeps/unix/i386/sysdep.h>
 | |
| 
 | |
| #endif /* mach/i386/sysdep.h */
 |