| /* Definitions of target machine for GNU compiler, for SunOS 4.x |
| Copyright (C) 1994, 1999 Free Software Foundation, Inc. |
| |
| This file is part of GNU CC. |
| |
| GNU CC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU CC 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #define SUNOS4_SHARED_LIBRARIES 1 |
| |
| /* Use N_BINCL stabs. */ |
| |
| #define DBX_USE_BINCL |
| |
| #include "sparc/sparc.h" |
| |
| /* The Sun as doesn't like unaligned data. */ |
| #define DWARF2_UNWIND_INFO 0 |
| |
| /* Override MACHINE_STATE_{SAVE,RESTORE} because we have special |
| traps available which can get and set the condition codes |
| reliably. */ |
| #undef MACHINE_STATE_SAVE |
| #define MACHINE_STATE_SAVE(ID) \ |
| unsigned long int ms_flags, ms_saveret; \ |
| asm volatile("ta 0x20\n\t" \ |
| "mov %%g1, %0\n\t" \ |
| "mov %%g2, %1\n\t" \ |
| : "=r" (ms_flags), "=r" (ms_saveret)); |
| |
| #undef MACHINE_STATE_RESTORE |
| #define MACHINE_STATE_RESTORE(ID) \ |
| asm volatile("mov %0, %%g1\n\t" \ |
| "mov %1, %%g2\n\t" \ |
| "ta 0x21\n\t" \ |
| : /* no outputs */ \ |
| : "r" (ms_flags), "r" (ms_saveret)); |
| |
| /* SunOS has on_exit instead of atexit. */ |
| /* The man page says it returns int. */ |
| extern int on_exit PARAMS ((void *, void *)); |
| #define ON_EXIT(FUNC) on_exit ((FUNC), 0) |
| #define NEED_ATEXIT |