/* Shared library declarations for GDB, the GNU Debugger.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1998 Free Software Foundation, Inc.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef __STDC__ /* Forward decl's for prototypes */
struct target_ops;
#define SOLIB_CREATE_INFERIOR_HOOK(PID) solib_create_inferior_hook()
+/* 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)
+
extern void
solib_create_inferior_hook PARAMS((void)); /* solib.c */
+/* 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. */
-#define DISABLE_UNSETTABLE_BREAK(addr) solib_address(addr)
+#define DISABLE_UNSETTABLE_BREAK(addr) (solib_address(addr) != NULL)
-extern int
+extern char *
solib_address PARAMS ((CORE_ADDR)); /* solib.c */
+
+/* If ADDR lies in a shared library, return its name. */
+
+#define PC_SOLIB(addr) solib_address (addr)
+
+#ifdef SVR4_SHARED_LIBS
+
+/* Return 1 if PC lies in the dynamic symbol resolution code of the
+ SVR4 run time loader. */
+
+#define IN_SOLIB_DYNSYM_RESOLVE_CODE(pc) in_svr4_dynsym_resolve_code (pc)
+
+extern int
+in_svr4_dynsym_resolve_code PARAMS ((CORE_ADDR));
+
+#endif