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author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:35:26 +0000 |
commit | c906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch) | |
tree | a0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/config/mn10300/tm-mn10300.h | |
parent | cd946cff9ede3f30935803403f06f6ed30cad136 (diff) | |
download | gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.zip gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.gz gdb-c906108c21474dfb4ed285bcc0ac6fe02cd400cc.tar.bz2 |
Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/config/mn10300/tm-mn10300.h')
-rw-r--r-- | gdb/config/mn10300/tm-mn10300.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/gdb/config/mn10300/tm-mn10300.h b/gdb/config/mn10300/tm-mn10300.h new file mode 100644 index 0000000..e7d3fd7 --- /dev/null +++ b/gdb/config/mn10300/tm-mn10300.h @@ -0,0 +1,165 @@ +/* Parameters for execution on a Matsushita mn10300 processor. + Copyright 1996, 1997 Free Software Foundation, Inc. + + Contributed by Geoffrey Noer <noer@cygnus.com> + +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. */ + +/* The mn10300 is little endian. */ +#define TARGET_BYTE_ORDER_DEFAULT LITTLE_ENDIAN + +/* All registers are 32bits (phew!). */ +#define REGISTER_SIZE 4 +#define MAX_REGISTER_RAW_SIZE 4 +#define NUM_REGS 32 + +#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int + +#define REGISTER_BYTE(REG) ((REG) * 4) +#define REGISTER_VIRTUAL_SIZE(REG) 4 +#define REGISTER_RAW_SIZE(REG) 4 + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +#define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE) + +extern char **mn10300_register_names; +#define REGISTER_NAME(i) mn10300_register_names[i] + +#define D2_REGNUM 2 +#define D3_REGNUM 3 +#define A2_REGNUM 6 +#define A3_REGNUM 7 +#define SP_REGNUM 8 +#define PC_REGNUM 9 +#define MDR_REGNUM 10 +#define PSW_REGNUM 11 +#define LIR_REGNUM 12 +#define LAR_REGNUM 13 + +/* Pseudo register that contains true address of executing stack frame */ +#define FP_REGNUM 31 + +/* BREAKPOINT_FROM_PC uses the program counter value to determine the + breakpoint that should be used */ +extern breakpoint_from_pc_fn mn10300_breakpoint_from_pc; +#define BREAKPOINT_FROM_PC(pcptr, lenptr) mn10300_breakpoint_from_pc (pcptr, lenptr) + +#define FUNCTION_START_OFFSET 0 + +#define DECR_PC_AFTER_BREAK 0 + +#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) + +#define SAVED_PC_AFTER_CALL(frame) \ + read_memory_integer (read_register (SP_REGNUM), 4) + +#ifdef __STDC__ +struct frame_info; +struct type; +struct value; +#endif + +extern void mn10300_init_extra_frame_info PARAMS ((struct frame_info *)); +#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) mn10300_init_extra_frame_info (fi) +#define INIT_FRAME_PC /* Not necessary */ + +#define FRAME_INIT_SAVED_REGS(fi) /* handled by init_extra_frame_info */ + +extern CORE_ADDR mn10300_frame_chain PARAMS ((struct frame_info *)); +#define FRAME_CHAIN(fi) mn10300_frame_chain (fi) +#define FRAME_CHAIN_VALID(FP, FI) generic_frame_chain_valid (FP, FI) + +extern CORE_ADDR mn10300_find_callers_reg PARAMS ((struct frame_info *, int)); +extern CORE_ADDR mn10300_frame_saved_pc PARAMS ((struct frame_info *)); +#define FRAME_SAVED_PC(FI) (mn10300_frame_saved_pc (FI)) + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \ + if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \ + memcpy (VALBUF, REGBUF + REGISTER_BYTE (4), TYPE_LENGTH (TYPE)); \ + else \ + memcpy (VALBUF, REGBUF + REGISTER_BYTE (0), TYPE_LENGTH (TYPE)); + + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ + extract_address (REGBUF + REGISTER_BYTE (4), \ + REGISTER_RAW_SIZE (4)) + +#define STORE_RETURN_VALUE(TYPE, VALBUF) \ + if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \ + write_register_bytes(REGISTER_BYTE (4), VALBUF, TYPE_LENGTH (TYPE)); \ + else \ + write_register_bytes(REGISTER_BYTE (0), VALBUF, TYPE_LENGTH (TYPE)); + +#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ + (SP) = mn10300_store_struct_return (STRUCT_ADDR, SP) + +extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR)); +#define SKIP_PROLOGUE(pc) pc = mn10300_skip_prologue (pc) + +#define FRAME_ARGS_SKIP 0 + +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) +#define FRAME_NUM_ARGS(val, fi) ((val) = -1) + +extern void mn10300_pop_frame PARAMS ((struct frame_info *)); +#define POP_FRAME mn10300_pop_frame (get_current_frame ()) + +#define USE_GENERIC_DUMMY_FRAMES +#define CALL_DUMMY {0} +#define CALL_DUMMY_START_OFFSET (0) +#define CALL_DUMMY_BREAKPOINT_OFFSET (0) +#define CALL_DUMMY_LOCATION AT_ENTRY_POINT +#define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP) +#define CALL_DUMMY_ADDRESS() entry_point_address () + +extern CORE_ADDR mn10300_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR)); +#define PUSH_RETURN_ADDRESS(PC, SP) mn10300_push_return_address (PC, SP) + +#define PUSH_DUMMY_FRAME generic_push_dummy_frame () + +extern CORE_ADDR +mn10300_push_arguments PARAMS ((int, struct value **, CORE_ADDR, + unsigned char, CORE_ADDR )); +#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ + (SP) = mn10300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) + +#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP) + +#define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \ + (TYPE_LENGTH (TYPE) > 8) + +extern use_struct_convention_fn mn10300_use_struct_convention; +#define USE_STRUCT_CONVENTION(GCC_P, TYPE) mn10300_use_struct_convention (GCC_P, TYPE) + +/* override the default get_saved_register function with + one that takes account of generic CALL_DUMMY frames */ +#define GET_SAVED_REGISTER + +/* Cons up virtual frame pointer for trace */ +extern void mn10300_virtual_frame_pointer PARAMS ((CORE_ADDR, long *, long *)); +#define TARGET_VIRTUAL_FRAME_POINTER(PC, REGP, OFFP) \ + mn10300_virtual_frame_pointer ((PC), (REGP), (OFFP)) + +/* Define this for Wingdb */ + +#define TARGET_MN10300 |