/* Macro definitions for GDB on all SVR4 target systems.
|
/* Macro definitions for GDB on all SVR4 target systems.
|
Copyright 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
|
Copyright 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
|
Written by Fred Fish at Cygnus Support (fnf@cygnus.com).
|
Written by Fred Fish at Cygnus Support (fnf@cygnus.com).
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 2 of the License, or
|
the Free Software Foundation; either version 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
|
|
/* For SVR4 shared libraries, each call to a library routine goes through
|
/* For SVR4 shared libraries, each call to a library routine goes through
|
a small piece of trampoline code in the ".plt" section.
|
a small piece of trampoline code in the ".plt" section.
|
The horribly ugly wait_for_inferior() routine uses this macro to detect
|
The horribly ugly wait_for_inferior() routine uses this macro to detect
|
when we have stepped into one of these fragments.
|
when we have stepped into one of these fragments.
|
We do not use lookup_solib_trampoline_symbol_by_pc, because
|
We do not use lookup_solib_trampoline_symbol_by_pc, because
|
we cannot always find the shared library trampoline symbols
|
we cannot always find the shared library trampoline symbols
|
(e.g. on Irix5). */
|
(e.g. on Irix5). */
|
|
|
#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) in_plt_section((pc), (name))
|
#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) in_plt_section((pc), (name))
|
extern int in_plt_section PARAMS ((CORE_ADDR, char *));
|
extern int in_plt_section PARAMS ((CORE_ADDR, char *));
|
|
|
/* If PC is in a shared library trampoline code, return the PC
|
/* If PC is in a shared library trampoline code, return the PC
|
where the function itself actually starts. If not, return 0. */
|
where the function itself actually starts. If not, return 0. */
|
|
|
#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc)
|
#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc)
|
|
|
/* It is unknown which, if any, SVR4 assemblers do not accept dollar signs
|
/* It is unknown which, if any, SVR4 assemblers do not accept dollar signs
|
in identifiers. The default in G++ is to use dots instead, for all SVR4
|
in identifiers. The default in G++ is to use dots instead, for all SVR4
|
systems, so we make that our default also. FIXME: There should be some
|
systems, so we make that our default also. FIXME: There should be some
|
way to get G++ to tell us what CPLUS_MARKER it is using, perhaps by
|
way to get G++ to tell us what CPLUS_MARKER it is using, perhaps by
|
stashing it in the debugging information as part of the name of an
|
stashing it in the debugging information as part of the name of an
|
invented symbol ("gcc_cplus_marker$" for example). */
|
invented symbol ("gcc_cplus_marker$" for example). */
|
|
|
#undef CPLUS_MARKER
|
#undef CPLUS_MARKER
|
#define CPLUS_MARKER '.'
|
#define CPLUS_MARKER '.'
|
|
|
