78570d35b6
trampolines. These are pieces of code between the caller and the callee that figure out the address of the callee's code at run time. Upon entry, we can't figure out the callee's address, so we set a breakpoint within the trampoline where the address will be known, and continue the target. Once we hit the breakpoint, we break at the callee's address and proceed as usual. start-sanitize-gm * config/tm-magic.h: Define DYNAMIC_TRAMPOLINE_NEXTPC. Turn off IN_SOLIB_CALL_TRAMPOLINE and IN_SOLIB_RETURN_TRAMPOLINE. end-sanitize-gm
42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* Definitions for General Magic target.
|
|
Copyright (C) 1995 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. */
|
|
|
|
#include "magic.h"
|
|
|
|
#define TARGET_SYMFILE_POSTREAD(OBJFILE) init_magic ()
|
|
|
|
#define TARGET_CREATE_INFERIOR_HOOK(PID) magic_create_inferior_hook ()
|
|
|
|
/* Magic Cap method stepping support.
|
|
We use the shared library trampoline support to implement stepping over
|
|
the method dispatcher. We consider the entire dispatcher to be one big
|
|
trampoline, and use SKIP_TRAMPOLINE_CODE() to skip from a dispatcher
|
|
entry point to the dispatcher exit site, or from the exit site to the
|
|
first instruction of the dispatched-to method. */
|
|
|
|
#define DYNAMIC_TRAMPOLINE_NEXTPC(pc) \
|
|
magic_skip_dispatcher(pc)
|
|
|
|
#if 0
|
|
#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
|
|
magic_in_dispatcher(pc, name)
|
|
|
|
#define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \
|
|
magic_in_dispatcher(pc, name)
|
|
#endif
|