| /* Copyright (C) 1991-2014 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 \ |
| { \ |
| 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 */ |