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/* Macro definitions for Power PC running embedded ABI.
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Copyright 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef TM_PPC_EABI_H
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#define TM_PPC_EABI_H
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/* Use generic RS6000 definitions. */
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#include "rs6000/tm-rs6000.h"
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/* except we want to allow single stepping */
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#undef SOFTWARE_SINGLE_STEP_P
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#define SOFTWARE_SINGLE_STEP_P 0
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#undef DEFAULT_LR_SAVE
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#define DEFAULT_LR_SAVE 4 /* eabi saves LR at 4 off of SP */
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#define GDB_TARGET_POWERPC
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#undef PC_LOAD_SEGMENT
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#undef PROCESS_LINENUMBER_HOOK
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#undef TEXT_SEGMENT_BASE
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#define TEXT_SEGMENT_BASE 1
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/* Say that we're using ELF, not XCOFF. */
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#define ELF_OBJECT_FORMAT 1
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#define TARGET_BYTE_ORDER_SELECTABLE_P 1
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/* return true if a given `pc' value is in `call dummy' function. */
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/* FIXME: This just checks for the end of the stack, which is broken
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for things like stepping through gcc nested function stubs. */
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#undef PC_IN_CALL_DUMMY
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/* generic dummy frame stuff */
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/* target-specific dummy_frame stuff */
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extern struct frame_info *rs6000_pop_frame PARAMS ((struct frame_info * frame));
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extern CORE_ADDR ppc_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
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#undef PUSH_DUMMY_FRAME
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#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
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#define PUSH_RETURN_ADDRESS(PC, SP) ppc_push_return_address (PC, SP)
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/* override the standard get_saved_register function with
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one that takes account of generic CALL_DUMMY frames */
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#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
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generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)
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#define USE_GENERIC_DUMMY_FRAMES 1
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#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
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#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
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#define CALL_DUMMY_ADDRESS() entry_point_address ()
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#undef CALL_DUMMY_START_OFFSET
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#define CALL_DUMMY_START_OFFSET 0
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/* The value of symbols of type N_SO and N_FUN maybe null when
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it shouldn't be. */
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#define SOFUN_ADDRESS_MAYBE_MISSING
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#endif /* TM_PPC_EABI_H */
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