Initial creation of sourceware repository

gdb/config/powerpc/tm-ppc-eabi.h

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+/* Macro definitions for Power PC running embedded ABI.
+   Copyright 1995, 1996, 1997 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.  */
+
+#ifndef TM_PPC_EABI_H
+#define TM_PPC_EABI_H
+
+/* Use generic RS6000 definitions. */
+#include "rs6000/tm-rs6000.h"
+/* except we want to allow single stepping */
+#undef SOFTWARE_SINGLE_STEP_P
+#define SOFTWARE_SINGLE_STEP_P 0
+
+#undef	DEFAULT_LR_SAVE
+#define	DEFAULT_LR_SAVE 4	/* eabi saves LR at 4 off of SP */
+
+#define GDB_TARGET_POWERPC
+
+#undef PC_LOAD_SEGMENT
+#undef PROCESS_LINENUMBER_HOOK
+
+#undef TEXT_SEGMENT_BASE
+#define TEXT_SEGMENT_BASE 1
+
+/* Say that we're using ELF, not XCOFF.  */
+#define ELF_OBJECT_FORMAT 1
+
+#define TARGET_BYTE_ORDER_SELECTABLE_P 1
+
+/* return true if a given `pc' value is in `call dummy' function. */
+/* FIXME: This just checks for the end of the stack, which is broken
+   for things like stepping through gcc nested function stubs.  */
+#undef PC_IN_CALL_DUMMY
+#define	PC_IN_CALL_DUMMY(STOP_PC, STOP_SP, STOP_FRAME_ADDR)	\
+	(STOP_SP < STOP_PC)
+
+/* generic dummy frame stuff */
+
+
+
+/* target-specific dummy_frame stuff */
+
+extern struct frame_info *rs6000_pop_frame PARAMS ((struct frame_info *frame));
+
+extern CORE_ADDR ppc_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
+extern CORE_ADDR rs6000_push_arguments PARAMS ((int nargs, 
+					      struct value **args, 
+					      CORE_ADDR sp,
+					      unsigned char struct_return,
+					      CORE_ADDR struct_addr));
+
+#undef PUSH_DUMMY_FRAME
+#define PUSH_DUMMY_FRAME             generic_push_dummy_frame ()
+
+#define PUSH_RETURN_ADDRESS(PC, SP)      ppc_push_return_address (PC, SP)
+
+/* override the standard get_saved_register function with 
+   one that takes account of generic CALL_DUMMY frames */
+#define GET_SAVED_REGISTER
+
+#define USE_GENERIC_DUMMY_FRAMES
+#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
+#define CALL_DUMMY_LOCATION          AT_ENTRY_POINT
+#define CALL_DUMMY_ADDRESS()         entry_point_address ()
+#undef CALL_DUMMY_START_OFFSET
+#define CALL_DUMMY_START_OFFSET      0
+
+
+#endif /* TM_PPC_EABI_H */