projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c SS |
1 | /* Macro definitions for Power PC running embedded ABI. |
| 2 | Copyright 1995, 1996, 1997 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 19 | ||
| 20 | #ifndef TM_PPC_EABI_H | |
| 21 | #define TM_PPC_EABI_H | |
| 22 | ||
| 23 | /* Use generic RS6000 definitions. */ | |
| 24 | #include "rs6000/tm-rs6000.h" | |
| 25 | /* except we want to allow single stepping */ | |
| 26 | #undef SOFTWARE_SINGLE_STEP_P | |
| 27 | #define SOFTWARE_SINGLE_STEP_P 0 | |
| 28 | ||
| 29 | #undef DEFAULT_LR_SAVE | |
| 30 | #define DEFAULT_LR_SAVE 4 /* eabi saves LR at 4 off of SP */ | |
| 31 | ||
| 32 | #define GDB_TARGET_POWERPC | |
| 33 | ||
| 34 | #undef PC_LOAD_SEGMENT | |
| 35 | #undef PROCESS_LINENUMBER_HOOK | |
| 36 | ||
| 37 | #undef TEXT_SEGMENT_BASE | |
| 38 | #define TEXT_SEGMENT_BASE 1 | |
| 39 | ||
| 40 | /* Say that we're using ELF, not XCOFF. */ | |
| 41 | #define ELF_OBJECT_FORMAT 1 | |
| 42 | ||
| 43 | #define TARGET_BYTE_ORDER_SELECTABLE_P 1 | |
| 44 | ||
| 45 | /* return true if a given `pc' value is in `call dummy' function. */ | |
| 46 | /* FIXME: This just checks for the end of the stack, which is broken | |
| 47 | for things like stepping through gcc nested function stubs. */ | |
| 48 | #undef PC_IN_CALL_DUMMY | |
| c906108c SS |
49 | |
| 50 | /* generic dummy frame stuff */ | |
| 51 | ||
| 52 | ||
| 53 | ||
| 54 | /* target-specific dummy_frame stuff */ | |
| 55 | ||
| 56 | extern struct frame_info *rs6000_pop_frame PARAMS ((struct frame_info *frame)); | |
| 57 | ||
| 58 | extern CORE_ADDR ppc_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR)); | |
| 59 | extern CORE_ADDR rs6000_push_arguments PARAMS ((int nargs, | |
| 60 | struct value **args, | |
| 61 | CORE_ADDR sp, | |
| 62 | unsigned char struct_return, | |
| 63 | CORE_ADDR struct_addr)); | |
| 64 | ||
| 65 | #undef PUSH_DUMMY_FRAME | |
| 66 | #define PUSH_DUMMY_FRAME generic_push_dummy_frame () | |
| 67 | ||
| 68 | #define PUSH_RETURN_ADDRESS(PC, SP) ppc_push_return_address (PC, SP) | |
| 69 | ||
| 70 | /* override the standard get_saved_register function with | |
| 71 | one that takes account of generic CALL_DUMMY frames */ | |
| 7a292a7a SS |
72 | #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ |
| 73 | generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) | |
| c906108c | 74 | |
| 7a292a7a | 75 | #define USE_GENERIC_DUMMY_FRAMES 1 |
| c906108c SS |
76 | #define CALL_DUMMY_BREAKPOINT_OFFSET (0) |
| 77 | #define CALL_DUMMY_LOCATION AT_ENTRY_POINT | |
| 78 | #define CALL_DUMMY_ADDRESS() entry_point_address () | |
| 79 | #undef CALL_DUMMY_START_OFFSET | |
| 80 | #define CALL_DUMMY_START_OFFSET 0 | |
| 81 | ||
| 82 | ||
| 83 | #endif /* TM_PPC_EABI_H */ |