aboutsummaryrefslogtreecommitdiff
path: root/gdb/config/tm-sysv4.h
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/config/tm-sysv4.h')
-rw-r--r--gdb/config/tm-sysv4.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/gdb/config/tm-sysv4.h b/gdb/config/tm-sysv4.h
new file mode 100644
index 0000000..2c08541
--- /dev/null
+++ b/gdb/config/tm-sysv4.h
@@ -0,0 +1,45 @@
+/* Macro definitions for GDB on all SVR4 target systems.
+ Copyright 1991, 1992, 1993, 1994 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 PARAMS ((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)
+
+/* 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
+ 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
+ stashing it in the debugging information as part of the name of an
+ invented symbol ("gcc_cplus_marker$" for example). */
+
+#undef CPLUS_MARKER
+#define CPLUS_MARKER '.'