projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 688903eb | 1 | /* Copyright (C) 1991-2018 Free Software Foundation, Inc. |
| 3dadfa7e | 2 | |
| 478b92f0 | 3 | This file is part of the GNU C Library. |
| 28f540f4 | 4 | |
| 478b92f0 | 5 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 28f540f4 | 9 | |
| 478b92f0 UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 28f540f4 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 28f540f4 | 18 | |
| 8e31c82d ST |
19 | #ifndef _MACH_I386_SYSDEP_H |
| 20 | #define _MACH_I386_SYSDEP_H 1 | |
| 21 | ||
| 610903b0 RM |
22 | /* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO. */ |
| 23 | #include <dl-sysdep.h> | |
| 24 | #include <tls.h> | |
| 25 | ||
| 28f540f4 RM |
26 | #define LOSE asm volatile ("hlt") |
| 27 | ||
| d66e34cd | 28 | #define SNARF_ARGS(entry_sp, argc, argv, envp) \ |
| 28f540f4 RM |
29 | do \ |
| 30 | { \ | |
| 2e09a79a | 31 | char **p; \ |
| d66e34cd | 32 | argc = (int) *entry_sp; \ |
| 28f540f4 RM |
33 | argv = (char **) (entry_sp + 1); \ |
| 34 | p = argv; \ | |
| 35 | while (*p++ != NULL) \ | |
| 36 | ; \ | |
| 37 | if (p >= (char **) argv[0]) \ | |
| 38 | --p; \ | |
| 39 | envp = p; \ | |
| 40 | } while (0) | |
| 41 | ||
| d66e34cd RM |
42 | #define CALL_WITH_SP(fn, info, sp) \ |
| 43 | do { \ | |
| 44 | void **ptr = (void **) sp; \ | |
| 45 | *--(__typeof (info) *) ptr = info; \ | |
| 46 | ptr[-1] = ptr; \ | |
| 47 | --ptr; \ | |
| 48 | asm volatile ("movl %0, %%esp; call %1" : : \ | |
| 49 | "g" (ptr), "m" (*(long int *) (fn)) : "%esp"); \ | |
| 50 | } while (0) | |
| 28f540f4 | 51 | |
| 99b306dc RM |
52 | #define RETURN_TO(sp, pc, retval) \ |
| 53 | asm volatile ("movl %0, %%esp; jmp %*%1 # %2" \ | |
| 54 | : : "g" (sp), "r" (pc), "a" (retval)) | |
| 55 | ||
| 56 | ||
| 28f540f4 RM |
57 | #define STACK_GROWTH_DOWN |
| 58 | ||
| a182affd | 59 | /* Get the machine-independent Mach definitions. */ |
| 3d42e04d | 60 | #include <sysdeps/mach/sysdep.h> |
| d7e16e9e RM |
61 | |
| 62 | ||
| a182affd RM |
63 | /* This should be rearranged, but at the moment this file provides |
| 64 | the most useful definitions for assembler syntax details. */ | |
| 65 | #undef ENTRY | |
| 66 | #undef ALIGN | |
| 67 | #include <sysdeps/unix/i386/sysdep.h> | |
| 8e31c82d ST |
68 | |
| 69 | #endif /* mach/i386/sysdep.h */ |