diff options
Diffstat (limited to 'contrib/gdb/gdb/config/i386/tm-obsd.h')
-rw-r--r-- | contrib/gdb/gdb/config/i386/tm-obsd.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/config/i386/tm-obsd.h b/contrib/gdb/gdb/config/i386/tm-obsd.h new file mode 100644 index 0000000..d26b03b --- /dev/null +++ b/contrib/gdb/gdb/config/i386/tm-obsd.h @@ -0,0 +1,77 @@ +/* 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 */ |