| /* Target-dependent definitions for OpenBSD/i386. |
| Copyright 2001 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program 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 of the License, or |
| (at your option) any later version. |
| |
| This program 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 this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef TM_OBSD_H |
| #define TM_OBSD_H |
| |
| #define HAVE_I387_REGS |
| #include "i386/tm-i386.h" |
| |
| /* OpenBSD uses the old gcc convention for struct returns. */ |
| |
| #define USE_STRUCT_CONVENTION(gcc_p, type) \ |
| generic_use_struct_convention (1, type) |
| |
| |
| /* Support for longjmp. */ |
| |
| /* Details about jmp_buf. It's supposed to be an array of integers. */ |
| |
| #define JB_ELEMENT_SIZE 4 /* Size of elements in jmp_buf. */ |
| #define JB_PC 0 /* Array index of saved PC. */ |
| |
| /* Figure out where the longjmp will land. Store the address that |
| longjmp will jump to in *ADDR, and return non-zero if successful. */ |
| |
| #define GET_LONGJMP_TARGET(addr) get_longjmp_target (addr) |
| extern int get_longjmp_target (CORE_ADDR *addr); |
| |
| |
| /* Support for signal handlers. */ |
| |
| #define IN_SIGTRAMP(pc, name) i386bsd_in_sigtramp (pc, name) |
| extern int i386bsd_in_sigtramp (CORE_ADDR pc, char *name); |
| |
| /* These defines allow the recognition of sigtramps as a function name |
| <sigtramp>. |
| |
| FIXME: kettenis/2001-07-13: These should be added to the target |
| vector and turned into functions when we go "multi-arch". */ |
| |
| #define SIGTRAMP_START(pc) i386bsd_sigtramp_start |
| #define SIGTRAMP_END(pc) i386bsd_sigtramp_end |
| extern CORE_ADDR i386bsd_sigtramp_start; |
| extern CORE_ADDR i386bsd_sigtramp_end; |
| |
| /* Override FRAME_SAVED_PC to enable the recognition of signal handlers. */ |
| |
| #undef FRAME_SAVED_PC |
| #define FRAME_SAVED_PC(frame) i386bsd_frame_saved_pc (frame) |
| extern CORE_ADDR i386bsd_frame_saved_pc (struct frame_info *frame); |
| |
| |
| /* Shared library support. */ |
| |
| /* Return non-zero if we are in a shared library trampoline code stub. */ |
| |
| #define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \ |
| (name && !strcmp(name, "_DYNAMIC")) |
| |
| #endif /* tm-obsd.h */ |