[deliverable/binutils-gdb.git] / gdb / config / tm-sysv4.h

/* Macro definitions for GDB on all SVR4 target systems.
   Copyright 1991, 1992, 1993, 1994, 1996, 1997, 2000
   Free Software Foundation, Inc.
   Written by Fred Fish at Cygnus Support (fnf@cygnus.com).

   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.  */

/* For SVR4 shared libraries, each call to a library routine goes through
   a small piece of trampoline code in the ".plt" section.
   The horribly ugly wait_for_inferior() routine uses this macro to detect
   when we have stepped into one of these fragments.
   We do not use lookup_solib_trampoline_symbol_by_pc, because
   we cannot always find the shared library trampoline symbols
   (e.g. on Irix5).  */

#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) in_plt_section((pc), (name))
extern int in_plt_section (CORE_ADDR, char *);

/* If PC is in a shared library trampoline code, return the PC
   where the function itself actually starts.  If not, return 0.  */

#define SKIP_TRAMPOLINE_CODE(pc)  find_solib_trampoline_target (pc)
Commit	Line	Data
c906108c	1	/* Macro definitions for GDB on all SVR4 target systems.
b6ba6518 KB	2	Copyright 1991, 1992, 1993, 1994, 1996, 1997, 2000
b6ba6518 KB	3	Free Software Foundation, Inc.
c906108c SS	4	Written by Fred Fish at Cygnus Support (fnf@cygnus.com).
c906108c SS	5
c5aa993b	6	This file is part of GDB.
c906108c	7
c5aa993b JM	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
c906108c	12
c5aa993b JM	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
c906108c	17
c5aa993b JM	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
	20	Foundation, Inc., 59 Temple Place - Suite 330,
	21	Boston, MA 02111-1307, USA. */
c906108c SS	22
	23	/* For SVR4 shared libraries, each call to a library routine goes through
	24	a small piece of trampoline code in the ".plt" section.
	25	The horribly ugly wait_for_inferior() routine uses this macro to detect
	26	when we have stepped into one of these fragments.
	27	We do not use lookup_solib_trampoline_symbol_by_pc, because
	28	we cannot always find the shared library trampoline symbols
	29	(e.g. on Irix5). */
	30
	31	#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) in_plt_section((pc), (name))
a14ed312	32	extern int in_plt_section (CORE_ADDR, char *);
c906108c SS	33
	34	/* If PC is in a shared library trampoline code, return the PC
	35	where the function itself actually starts. If not, return 0. */
	36
	37	#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc)