diff options
Diffstat (limited to 'sysdeps/mach/i386/sysdep.h')
| -rw-r--r-- | sysdeps/mach/i386/sysdep.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/mach/i386/sysdep.h b/sysdeps/mach/i386/sysdep.h new file mode 100644 index 0000000000..8d482a0485 --- /dev/null +++ b/sysdeps/mach/i386/sysdep.h @@ -0,0 +1,47 @@ +/* Copyright (C) 1991, 1992, 1993, 1994 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#define MOVE(x,y) movl x , y + +#define LOSE asm volatile ("hlt") + +#define SNARF_ARGS(argc, argv, envp) \ + do \ + { \ + int *entry_sp; \ + register char **p; \ + \ + asm ("leal 4(%%ebp), %0" : "=r" (entry_sp)); \ + \ + argc = *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, sp) \ + asm volatile ("movl %0, %%esp; jmp %1" : : \ + "g" (sp), "m" (*(long int *) (fn)) : "%esp") + +#define STACK_GROWTH_DOWN + +#include_next <sysdep.h> |