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Diffstat (limited to 'gdb/solib.h')
-rw-r--r-- | gdb/solib.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/gdb/solib.h b/gdb/solib.h new file mode 100644 index 0000000..eafef48 --- /dev/null +++ b/gdb/solib.h @@ -0,0 +1,203 @@ +/* Shared library declarations for GDB, the GNU Debugger. + Copyright (C) 1992, 1998 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. */ + +#define CLEAR_SOLIB clear_solib + +extern void +clear_solib PARAMS ((void)); + +/* Called to add symbols from a shared library to gdb's symbol table. */ + +#define SOLIB_ADD(filename, from_tty, targ) \ + solib_add (filename, from_tty, targ) + +extern void +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) 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) != NULL) + +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 |