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1181 |
sfurman |
/* Macro definitions for GDB on all SVR4 target systems.
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Copyright 1991, 1992, 1993, 1994, 1996, 1997, 2000
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Free Software Foundation, Inc.
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Written by Fred Fish at Cygnus Support (fnf@cygnus.com).
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* For SVR4 shared libraries, each call to a library routine goes through
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a small piece of trampoline code in the ".plt" section.
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The horribly ugly wait_for_inferior() routine uses this macro to detect
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when we have stepped into one of these fragments.
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We do not use lookup_solib_trampoline_symbol_by_pc, because
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we cannot always find the shared library trampoline symbols
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(e.g. on Irix5). */
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#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) in_plt_section((pc), (name))
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extern int in_plt_section (CORE_ADDR, char *);
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/* If PC is in a shared library trampoline code, return the PC
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where the function itself actually starts. If not, return 0. */
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#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc)
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/* It is unknown which, if any, SVR4 assemblers do not accept dollar signs
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in identifiers. The default in G++ is to use dots instead, for all SVR4
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systems, so we make that our default also. FIXME: There should be some
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way to get G++ to tell us what CPLUS_MARKER it is using, perhaps by
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stashing it in the debugging information as part of the name of an
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invented symbol ("gcc_cplus_marker$" for example). */
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#undef CPLUS_MARKER
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#define CPLUS_MARKER '.'
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