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authorStan Shebs <shebs@apple.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@apple.com>1999-04-16 01:35:26 +0000
commit14cd51f7793a9ce07bc435069f57269450141363 (patch)
tree280a2da48f771d61be5b451ddbacdf9ef8e9ad13 /gdb/coff-solib.h
downloadgdb-14cd51f7793a9ce07bc435069f57269450141363.tar.gz
Initial revision
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+/* COFF (SVR3) Shared library declarations for GDB, the GNU Debugger.
+ Copyright (C) 1992 Free Software Foundation, Inc.
+
+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. */
+
+#ifdef __STDC__ /* Forward decl's for prototypes */
+struct target_ops;
+#endif
+
+/* Called when we free all symtabs, to free the shared library information
+ as well. */
+
+#if 0
+#define CLEAR_SOLIB coff_clear_solib
+
+extern void
+coff_clear_solib PARAMS ((void));
+#endif
+
+/* Called to add symbols from a shared library to gdb's symbol table. */
+
+#define SOLIB_ADD(filename, from_tty, targ) \
+ coff_solib_add (filename, from_tty, targ)
+
+extern void
+coff_solib_add PARAMS ((char *, int, struct target_ops *));
+
+/* Function to be called when the inferior starts up, to discover the names
+ of shared libraries that are dynamically linked, the base addresses to
+ which they are linked, and sufficient information to read in their symbols
+ at a later time. */
+
+#define SOLIB_CREATE_INFERIOR_HOOK(PID) coff_solib_create_inferior_hook()
+
+extern void
+coff_solib_create_inferior_hook PARAMS((void)); /* solib.c */
+
+/* Function to be called to remove the connection between debugger and
+ dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK.
+ (This operation does not remove shared library information from
+ the debugger, as CLEAR_SOLIB does.)
+
+ This functionality is presently not implemented for this target.
+ */
+#define SOLIB_REMOVE_INFERIOR_HOOK(PID) (0)
+
+/* This function is called by the "catch load" command. It allows
+ the debugger to be notified by the dynamic linker when a specified
+ library file (or any library file, if filename is NULL) is loaded.
+
+ Presently, this functionality is not implemented.
+ */
+#define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag,filename,cond_string) \
+ error("catch of library loads/unloads not yet implemented on this platform")
+
+/* This function is called by the "catch unload" command. It allows
+ the debugger to be notified by the dynamic linker when a specified
+ library file (or any library file, if filename is NULL) is unloaded.
+
+ Presently, this functionality is not implemented.
+ */
+#define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename,cond_string) \
+ error("catch of library loads/unloads not yet implemented on this platform")
+
+/* This function returns TRUE if the dynamic linker has just reported
+ a load of a library.
+
+ This function must be used only when the inferior has stopped in
+ the dynamic linker hook, or undefined results are guaranteed.
+
+ Presently, this functionality is not implemented.
+ */
+/*
+#define SOLIB_HAVE_LOAD_EVENT(pid) \
+ error("catch of library loads/unloads not yet implemented on this platform")
+*/
+
+#define SOLIB_HAVE_LOAD_EVENT(pid) \
+(0)
+
+/* This function returns a pointer to the string representation of the
+ pathname of the dynamically-linked library that has just been loaded.
+
+ This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
+ or undefined results are guaranteed.
+
+ This string's contents are only valid immediately after the inferior
+ has stopped in the dynamic linker hook, and becomes invalid as soon
+ as the inferior is continued. Clients should make a copy of this
+ string if they wish to continue the inferior and then access the string.
+
+ Presently, this functionality is not implemented.
+ */
+
+/*
+#define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
+ error("catch of library loads/unloads not yet implemented on this platform")
+*/
+
+#define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
+(0)
+
+/* This function returns TRUE if the dynamic linker has just reported
+ an unload of a library.
+
+ This function must be used only when the inferior has stopped in
+ the dynamic linker hook, or undefined results are guaranteed.
+
+ Presently, this functionality is not implemented.
+ */
+/*
+#define SOLIB_HAVE_UNLOAD_EVENT(pid) \
+ error("catch of library loads/unloads not yet implemented on this platform")
+*/
+
+#define SOLIB_HAVE_UNLOAD_EVENT(pid) \
+(0)
+
+/* This function returns a pointer to the string representation of the
+ pathname of the dynamically-linked library that has just been unloaded.
+
+ This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE,
+ or undefined results are guaranteed.
+
+ This string's contents are only valid immediately after the inferior
+ has stopped in the dynamic linker hook, and becomes invalid as soon
+ as the inferior is continued. Clients should make a copy of this
+ string if they wish to continue the inferior and then access the string.
+
+ Presently, this functionality is not implemented.
+ */
+/*
+#define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
+ error("catch of library loads/unloads not yet implemented on this platform")
+*/
+
+#define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
+(0)
+
+/* This function returns TRUE if pc is the address of an instruction that
+ lies within the dynamic linker (such as the event hook, or the dld
+ itself).
+
+ This function must be used only when a dynamic linker event has been
+ caught, and the inferior is being stepped out of the hook, or undefined
+ results are guaranteed.
+
+ Presently, this functionality is not implemented.
+ */
+
+/*
+#define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
+ error("catch of library loads/unloads not yet implemented on this platform")
+*/
+
+#define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
+(0)
+
+/* This function must be called when the inferior is killed, and the program
+ restarted. This is not the same as CLEAR_SOLIB, in that it doesn't discard
+ any symbol tables.
+
+ Presently, this functionality is not implemented.
+ */
+#define SOLIB_RESTART() \
+ (0)
+
+/* If we can't set a breakpoint, and it's in a shared library, just
+ disable it. */
+
+#if 0
+#define DISABLE_UNSETTABLE_BREAK(addr) coff_solib_address(addr)
+
+extern int
+solib_address PARAMS ((CORE_ADDR)); /* solib.c */
+#endif