projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| eb7cedd9 MK |
1 | /* Target-dependent definitions for OpenBSD/i386. |
| 2 | Copyright 2001 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 | Boston, MA 02111-1307, USA. */ | |
| 20 | ||
| 21 | #ifndef TM_OBSD_H | |
| 22 | #define TM_OBSD_H | |
| 23 | ||
| eb7cedd9 MK |
24 | #include "i386/tm-i386.h" |
| 25 | ||
| 26 | /* OpenBSD uses the old gcc convention for struct returns. */ | |
| 27 | ||
| 28 | #define USE_STRUCT_CONVENTION(gcc_p, type) \ | |
| 29 | generic_use_struct_convention (1, type) | |
| 30 | \f | |
| 31 | ||
| 32 | /* Support for longjmp. */ | |
| 33 | ||
| 34 | /* Details about jmp_buf. It's supposed to be an array of integers. */ | |
| 35 | ||
| 36 | #define JB_ELEMENT_SIZE 4 /* Size of elements in jmp_buf. */ | |
| 37 | #define JB_PC 0 /* Array index of saved PC. */ | |
| 38 | ||
| 39 | /* Figure out where the longjmp will land. Store the address that | |
| 40 | longjmp will jump to in *ADDR, and return non-zero if successful. */ | |
| 41 | ||
| 42 | #define GET_LONGJMP_TARGET(addr) get_longjmp_target (addr) | |
| 43 | extern int get_longjmp_target (CORE_ADDR *addr); | |
| 44 | \f | |
| 45 | ||
| 46 | /* Support for signal handlers. */ | |
| 47 | ||
| 48 | #define IN_SIGTRAMP(pc, name) i386bsd_in_sigtramp (pc, name) | |
| 49 | extern int i386bsd_in_sigtramp (CORE_ADDR pc, char *name); | |
| 50 | ||
| 51 | /* These defines allow the recognition of sigtramps as a function name | |
| 52 | <sigtramp>. | |
| 53 | ||
| 54 | FIXME: kettenis/2001-07-13: These should be added to the target | |
| 55 | vector and turned into functions when we go "multi-arch". */ | |
| 56 | ||
| 57 | #define SIGTRAMP_START(pc) i386bsd_sigtramp_start | |
| 58 | #define SIGTRAMP_END(pc) i386bsd_sigtramp_end | |
| 59 | extern CORE_ADDR i386bsd_sigtramp_start; | |
| 60 | extern CORE_ADDR i386bsd_sigtramp_end; | |
| 61 | ||
| 62 | /* Override FRAME_SAVED_PC to enable the recognition of signal handlers. */ | |
| 63 | ||
| 64 | #undef FRAME_SAVED_PC | |
| 65 | #define FRAME_SAVED_PC(frame) i386bsd_frame_saved_pc (frame) | |
| 66 | extern CORE_ADDR i386bsd_frame_saved_pc (struct frame_info *frame); | |
| 67 | \f | |
| 68 | ||
| 69 | /* Shared library support. */ | |
| 70 | ||
| 71 | /* Return non-zero if we are in a shared library trampoline code stub. */ | |
| 72 | ||
| 73 | #define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \ | |
| 74 | (name && !strcmp(name, "_DYNAMIC")) | |
| 75 | ||
| 76 | #endif /* tm-obsd.h */ |