diff options
Diffstat (limited to 'gdb/config/powerpc/tm-ppc-eabi.h')
-rw-r--r-- | gdb/config/powerpc/tm-ppc-eabi.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/gdb/config/powerpc/tm-ppc-eabi.h b/gdb/config/powerpc/tm-ppc-eabi.h new file mode 100644 index 00000000000..c2828b29b68 --- /dev/null +++ b/gdb/config/powerpc/tm-ppc-eabi.h @@ -0,0 +1,84 @@ +/* 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 */ |