/* 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 */