diff options
Diffstat (limited to 'contrib/gdb/gdb/config/i386/tm-fbsd.h')
| -rw-r--r-- | contrib/gdb/gdb/config/i386/tm-fbsd.h | 99 |
1 files changed, 78 insertions, 21 deletions
diff --git a/contrib/gdb/gdb/config/i386/tm-fbsd.h b/contrib/gdb/gdb/config/i386/tm-fbsd.h index 9933e10..61f5de5 100644 --- a/contrib/gdb/gdb/config/i386/tm-fbsd.h +++ b/contrib/gdb/gdb/config/i386/tm-fbsd.h @@ -1,32 +1,89 @@ -/* Target macro definitions for i386 running FreeBSD - Copyright (C) 1997 Free Software Foundation, Inc. +/* Target-dependent definitions for FreeBSD/i386. + Copyright 1997, 1999, 2000, 2001 Free Software Foundation, Inc. -This file is part of GDB. + 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 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. + 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + 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. */ -#include "i386/tm-i386bsd.h" +#ifndef TM_FBSD_H +#define TM_FBSD_H +#define HAVE_I387_REGS +#include "i386/tm-i386.h" -#undef NUM_REGS -#define NUM_REGS 14 +/* FreeBSD/ELF uses stabs-in-ELF with the DWARF register numbering + scheme by default, so we must redefine STAB_REG_TO_REGNUM. This + messes up the floating-point registers for a.out, but there is not + much we can do about that. */ +#undef STAB_REG_TO_REGNUM +#define STAB_REG_TO_REGNUM(reg) i386_dwarf_reg_to_regnum ((reg)) -#undef IN_SOLIB_CALL_TRAMPOLINE -#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) STREQ (name, "_DYNAMIC") +/* FreeBSD uses the old gcc convention for struct returns. */ +#define USE_STRUCT_CONVENTION(gcc_p, type) \ + generic_use_struct_convention (1, type) + -extern i386_float_info (); -#define FLOAT_INFO i386_float_info () +/* 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. */ + +#ifndef SVR4_SHARED_LIBS + +/* 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 /* !SVR4_SHARED_LIBS */ + +#endif /* TM_FBSD_H */ |
