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Diffstat (limited to 'gdb/config/v850/tm-v850.h')
| -rw-r--r-- | gdb/config/v850/tm-v850.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/gdb/config/v850/tm-v850.h b/gdb/config/v850/tm-v850.h new file mode 100644 index 00000000000..14dd7f09ced --- /dev/null +++ b/gdb/config/v850/tm-v850.h @@ -0,0 +1,174 @@ +/* Parameters for execution on an NEC V850 processor. + Copyright 1996 + 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. */ + +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +#define NUM_REGS 66 + +#define REGISTER_NAMES \ +{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ + "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ + "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ + "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ + \ + "eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7", \ + "sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15", \ + "sr16", "sr17", "sr18", "sr19", "sr20", "sr21", "sr22", "sr23", \ + "sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31", \ + \ + "pc", "fp" } + +/* Initializer for an array of names of registers. + Entries beyond the first NUM_REGS are ignored. */ + +extern char **v850_register_names; +#define REGISTER_NAME(i) v850_register_names[i] + + +#define REGISTER_BYTES (NUM_REGS * 4) + +#define REGISTER_SIZE 4 +#define MAX_REGISTER_RAW_SIZE 4 + +#define R0_REGNUM 0 +#define R1_REGNUM 1 +#define SAVE1_START_REGNUM 2 +#define SAVE1_END_REGNUM 2 +#define SP_REGNUM 3 +#define ARG0_REGNUM 6 +#define ARGLAST_REGNUM 9 +#define V0_REGNUM 10 +#define V1_REGNUM 11 +#define R12_REGNUM 12 +#define SAVE2_START_REGNUM 20 +#define SAVE2_END_REGNUM 29 +#define EP_REGNUM 30 +#define SAVE3_START_REGNUM 31 +#define SAVE3_END_REGNUM 31 +#define RP_REGNUM 31 +#define SR0_REGNUM 32 +#define PS_REGNUM (SR0_REGNUM+5) +#define CTBP_REGNUM (SR0_REGNUM+20) +#define PC_REGNUM 64 +#define FP_REGNUM 65 +#define FP_RAW_REGNUM 29 + +#define TARGET_READ_FP() read_register (FP_RAW_REGNUM) +#define TARGET_WRITE_FP(VAL) write_register (FP_REGNUM, (VAL)) + +#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 BREAKPOINT {0x40, 0xF8} /* little-ended */ + +#define FUNCTION_START_OFFSET 0 + +#define DECR_PC_AFTER_BREAK 0 + +#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) + +#define SAVED_PC_AFTER_CALL(fi) read_register (RP_REGNUM) + +#ifdef __STDC__ +struct frame_info; +struct frame_saved_regs; +struct type; +struct value; +#endif + +#define EXTRA_FRAME_INFO struct frame_saved_regs fsr; + +extern void v850_init_extra_frame_info PARAMS ((struct frame_info *fi)); +#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) v850_init_extra_frame_info (fi) +#define INIT_FRAME_PC /* Not necessary */ + +extern void v850_frame_find_saved_regs PARAMS ((struct frame_info *fi, struct frame_saved_regs *regaddr)); +#define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr + +extern CORE_ADDR v850_frame_chain PARAMS ((struct frame_info *fi)); +#define FRAME_CHAIN(fi) v850_frame_chain (fi) +#define FRAME_CHAIN_VALID(FP, FI) generic_frame_chain_valid (FP, FI) + +extern CORE_ADDR v850_find_callers_reg PARAMS ((struct frame_info *fi, int regnum)); +extern CORE_ADDR v850_frame_saved_pc PARAMS ((struct frame_info *)); +#define FRAME_SAVED_PC(FI) (v850_frame_saved_pc (FI)) + +#define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \ + memcpy (VALBUF, REGBUF + REGISTER_BYTE (V0_REGNUM), TYPE_LENGTH (TYPE)) + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ + extract_address (REGBUF + REGISTER_BYTE (V0_REGNUM), \ + REGISTER_RAW_SIZE (V0_REGNUM)) + +#define STORE_RETURN_VALUE(TYPE, VALBUF) \ + write_register_bytes(REGISTER_BYTE (V0_REGNUM), VALBUF, TYPE_LENGTH (TYPE)); + +extern CORE_ADDR v850_skip_prologue PARAMS ((CORE_ADDR pc)); +#define SKIP_PROLOGUE(pc) pc = v850_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 v850_pop_frame PARAMS ((struct frame_info *frame)); +#define POP_FRAME v850_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 v850_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR)); +#define PUSH_RETURN_ADDRESS(PC, SP) v850_push_return_address (PC, SP) + + +#define PUSH_DUMMY_FRAME generic_push_dummy_frame () + +extern CORE_ADDR +v850_push_arguments PARAMS ((int nargs, struct value **args, CORE_ADDR sp, + unsigned char struct_return, + CORE_ADDR struct_addr)); +#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ + (SP) = v850_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) + +#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) + + +#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP) + +extern use_struct_convention_fn v850_use_struct_convention; +#define USE_STRUCT_CONVENTION(GCC_P, TYPE) v850_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 + +/* Define this for Wingdb */ + +#define TARGET_V850 |