projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 96baa820 | 1 | /* Parameters for execution on a Motorola MCore. |
| f4f9705a AC |
2 | |
| 3 | Copyright 1995, 1999, 2000, 2002 Free Software Foundation, Inc. | |
| 96baa820 JM |
4 | |
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program; if not, write to the Free Software | |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| f88e2c52 | 22 | #include "regcache.h" |
| d5e72505 AC |
23 | #include "symtab.h" /* For namespace_enum. */ |
| 24 | #include "symfile.h" /* For entry_point_address(). */ | |
| f88e2c52 | 25 | |
| 96baa820 JM |
26 | /* All registers are 32 bits */ |
| 27 | #define REGISTER_SIZE 4 | |
| 28 | #define MAX_REGISTER_RAW_SIZE 4 | |
| 29 | ||
| 30 | #define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int | |
| 31 | ||
| 32 | #define REGISTER_BYTE(REG) ((REG) * REGISTER_SIZE) | |
| 33 | #define REGISTER_VIRTUAL_SIZE(REG) 4 | |
| 34 | #define REGISTER_RAW_SIZE(REG) 4 | |
| 35 | ||
| 36 | #define MAX_REGISTER_VIRTUAL_SIZE 4 | |
| 37 | ||
| 38 | #define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE) | |
| 39 | ||
| 40 | extern char *mcore_register_names[]; | |
| 41 | #define REGISTER_NAME(I) mcore_register_names[I] | |
| 42 | ||
| 43 | /* Registers. The Motorola MCore contains: | |
| 44 | ||
| 45 | 16 32-bit general purpose registers (r0-r15) | |
| 46 | 16 32-bit alternate file registers (ar0-ar15) | |
| 47 | 32 32-bit control registers (cr0-cr31) | |
| 48 | + 1 pc | |
| 49 | ------ | |
| 50 | 65 registers */ | |
| 51 | #define NUM_REGS 65 | |
| 52 | #define PC_REGNUM 64 | |
| 53 | #define SP_REGNUM 0 | |
| 54 | #define FP_REGNUM (SP_REGNUM) | |
| 55 | #define PR_REGNUM 15 | |
| 56 | #define FIRST_ARGREG 2 | |
| 57 | #define LAST_ARGREG 7 | |
| 58 | #define RETVAL_REGNUM 2 | |
| 59 | ||
| 60 | /* Offset from address of function to start of its code. | |
| 61 | Zero on most machines. */ | |
| 62 | #define FUNCTION_START_OFFSET 0 | |
| 63 | ||
| 64 | #define DECR_PC_AFTER_BREAK 0 | |
| 65 | ||
| 66 | /* BREAKPOINT_FROM_PC uses the program counter value to determine | |
| 67 | the breakpoint that should be used. */ | |
| f4f9705a AC |
68 | extern const unsigned char *mcore_breakpoint_from_pc (CORE_ADDR *pcptr, |
| 69 | int *lenptr); | |
| 96baa820 JM |
70 | #define BREAKPOINT_FROM_PC(PCPTR, LENPTR) mcore_breakpoint_from_pc (PCPTR, LENPTR) |
| 71 | ||
| 72 | #define INNER_THAN(LHS,RHS) ((LHS) < (RHS)) | |
| 73 | ||
| 74 | #define SAVED_PC_AFTER_CALL(FRAME) read_register (PR_REGNUM) | |
| 75 | ||
| 76 | struct frame_info; | |
| 77 | struct type; | |
| 78 | struct value; | |
| 79 | ||
| 80 | extern void mcore_init_extra_frame_info (struct frame_info *fi); | |
| 81 | #define INIT_EXTRA_FRAME_INFO(FROMLEAF, FI) mcore_init_extra_frame_info ((FI)) | |
| 82 | #define INIT_FRAME_PC /* Not necessary */ | |
| 83 | #define FRAME_INIT_SAVED_REGS(FI) /* handled by init_extra_frame_info */ | |
| 84 | ||
| 85 | extern CORE_ADDR mcore_frame_chain (struct frame_info *fi); | |
| 86 | #define FRAME_CHAIN(FI) mcore_frame_chain ((FI)) | |
| c4093a6a | 87 | #define FRAME_CHAIN_VALID(FP, FI) generic_file_frame_chain_valid ((FP), (FI)) |
| 96baa820 JM |
88 | |
| 89 | extern CORE_ADDR mcore_frame_saved_pc (struct frame_info *); | |
| 90 | #define FRAME_SAVED_PC(FI) (mcore_frame_saved_pc ((FI))) | |
| 91 | ||
| 92 | /* Extracting/storing return values. */ | |
| 93 | extern void mcore_store_return_value (struct type *type, char *valbuf); | |
| 94 | #define STORE_RETURN_VALUE(TYPE, VALBUF) mcore_store_return_value ((TYPE), (VALBUF)) | |
| 95 | ||
| 96 | extern void mcore_extract_return_value (struct type *type, char *regbut, char *valbuf); | |
| 26e9b323 | 97 | #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ |
| 96baa820 JM |
98 | mcore_extract_return_value ((TYPE), (REGBUF), (VALBUF)); |
| 99 | ||
| 100 | #define STORE_STRUCT_RETURN(ADDR, SP) /* handled by mcore_push_arguments */ | |
| 101 | ||
| 102 | extern CORE_ADDR mcore_extract_struct_value_address (char *regbuf); | |
| 26e9b323 | 103 | #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ |
| 96baa820 JM |
104 | mcore_extract_struct_value_address (REGBUF) |
| 105 | ||
| 106 | extern CORE_ADDR mcore_skip_prologue (CORE_ADDR pc); | |
| 585230bd | 107 | #define SKIP_PROLOGUE(PC) mcore_skip_prologue (PC) |
| 96baa820 JM |
108 | |
| 109 | #define FRAME_ARGS_SKIP 0 | |
| 110 | extern CORE_ADDR mcore_frame_args_address (struct frame_info *fi); | |
| 111 | #define FRAME_ARGS_ADDRESS(FI) mcore_frame_args_address ((FI)) | |
| 112 | extern CORE_ADDR mcore_frame_locals_address (struct frame_info *fi); | |
| 113 | #define FRAME_LOCALS_ADDRESS(FI) mcore_frame_locals_address ((FI)) | |
| 114 | #define FRAME_NUM_ARGS(FI) (-1) | |
| 115 | ||
| 116 | ||
| 117 | extern void mcore_pop_frame (struct frame_info *fi); | |
| 118 | #define POP_FRAME mcore_pop_frame (get_current_frame ()) | |
| 119 | ||
| 120 | #define USE_GENERIC_DUMMY_FRAMES 1 | |
| 121 | #define CALL_DUMMY {0} | |
| 122 | #define CALL_DUMMY_START_OFFSET (0) | |
| 123 | #define CALL_DUMMY_BREAKPOINT_OFFSET (0) | |
| 124 | #define CALL_DUMMY_LOCATION AT_ENTRY_POINT | |
| 125 | #define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP) | |
| 126 | #define CALL_DUMMY_ADDRESS() entry_point_address () | |
| 127 | #define SIZEOF_CALL_DUMMY_WORDS 0 | |
| 7be570e7 | 128 | #define SAVE_DUMMY_FRAME_TOS(SP) generic_save_dummy_frame_tos (SP) |
| 96baa820 | 129 | |
| a14ed312 | 130 | extern CORE_ADDR mcore_push_return_address (CORE_ADDR, CORE_ADDR); |
| 96baa820 JM |
131 | #define PUSH_RETURN_ADDRESS(PC, SP) mcore_push_return_address (PC, SP) |
| 132 | ||
| 133 | #define PUSH_DUMMY_FRAME generic_push_dummy_frame () | |
| 134 | ||
| a14ed312 KB |
135 | extern CORE_ADDR mcore_push_arguments (int, struct value **, CORE_ADDR, |
| 136 | unsigned char, CORE_ADDR); | |
| 96baa820 JM |
137 | #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ |
| 138 | (SP) = mcore_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) | |
| 139 | ||
| 140 | #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) | |
| 141 | ||
| 142 | /* MCore will never pass a sturcture by reference. It will always be split | |
| 143 | between registers and stack. */ | |
| 144 | #define REG_STRUCT_HAS_ADDR(GCC_P, TYPE) 0 | |
| 145 | ||
| 146 | extern use_struct_convention_fn mcore_use_struct_convention; | |
| 147 | #define USE_STRUCT_CONVENTION(GCC_P, TYPE) mcore_use_struct_convention (GCC_P, TYPE) | |
| 148 | ||
| 149 | /* override the default get_saved_register function with | |
| 150 | one that takes account of generic CALL_DUMMY frames */ | |
| 151 | #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ | |
| 152 | generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) | |
| 153 | ||
| 154 | /* Cons up virtual frame pointer for trace */ | |
| e0441cf0 | 155 | extern void mcore_virtual_frame_pointer (CORE_ADDR, int *, LONGEST *); |
| 96baa820 JM |
156 | #define TARGET_VIRTUAL_FRAME_POINTER(PC, REGP, OFFP) \ |
| 157 | mcore_virtual_frame_pointer ((PC), (REGP), (OFFP)) | |
| 158 | ||
| 96baa820 JM |
159 | /* For PE, gcc will tell us what th real type of |
| 160 | arguments are when it promotes arguments. */ | |
| 161 | #define BELIEVE_PCC_PROMOTION 1 |