| /* Target definitions for delta68. |
| Copyright 1993, 1994, 1998, 1999, 2000 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. */ |
| |
| struct frame_info; |
| |
| #include "regcache.h" |
| |
| /* Define BPT_VECTOR if it is different than the default. |
| This is the vector number used by traps to indicate a breakpoint. */ |
| |
| #define BPT_VECTOR 0x1 |
| |
| #define GCC_COMPILED_FLAG_SYMBOL "gcc_compiled%" |
| #define GCC2_COMPILED_FLAG_SYMBOL "gcc2_compiled%" |
| |
| /* Amount PC must be decremented by after a breakpoint. |
| On the Delta, the kernel decrements it for us. */ |
| |
| #define DECR_PC_AFTER_BREAK 0 |
| |
| /* Not sure what happens if we try to store this register, but |
| phdm@info.ucl.ac.be says we need this define. */ |
| |
| #define CANNOT_STORE_REGISTER(regno) (regno == FPI_REGNUM) |
| |
| /* 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. */ |
| |
| /* When it returns a float/double value, use fp0 in sysV68. */ |
| /* When it returns a pointer value, use a0 in sysV68. */ |
| |
| #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ |
| if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ |
| REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, TYPE, \ |
| ®BUF[REGISTER_BYTE (FP0_REGNUM)], \ |
| VALBUF); \ |
| else \ |
| memcpy ((VALBUF), \ |
| (char *) ((REGBUF) + \ |
| (TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : \ |
| (TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)))), \ |
| TYPE_LENGTH(TYPE)) |
| |
| /* Write into appropriate registers a function return value |
| of type TYPE, given in virtual format. */ |
| |
| /* When it returns a float/double value, use fp0 in sysV68. */ |
| /* When it returns a pointer value, use a0 in sysV68. */ |
| |
| #define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \ |
| if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ |
| { \ |
| char raw_buf[REGISTER_RAW_SIZE (FP0_REGNUM)]; \ |
| REGISTER_CONVERT_TO_RAW (TYPE, FP0_REGNUM, VALBUF, raw_buf); \ |
| deprecated_write_register_bytes (REGISTER_BYTE (FP0_REGNUM), \ |
| raw_buf, REGISTER_RAW_SIZE (FP0_REGNUM)); \ |
| } \ |
| else \ |
| deprecated_write_register_bytes ((TYPE_CODE(TYPE) == TYPE_CODE_PTR ? 8 * 4 : 0), \ |
| VALBUF, TYPE_LENGTH (TYPE)) |
| |
| /* Return number of args passed to a frame. |
| Can return -1, meaning no way to tell. */ |
| |
| extern int delta68_frame_num_args (struct frame_info *fi); |
| #define FRAME_NUM_ARGS(fi) (delta68_frame_num_args ((fi))) |
| |
| /* On M68040 versions of sysV68 R3V7.1, ptrace(PT_WRITE_I) does not clear |
| the processor's instruction cache as it should. */ |
| #define CLEAR_INSN_CACHE() clear_insn_cache() |
| |
| #include "m68k/tm-m68k.h" |
| |
| /* Extract from an array REGBUF containing the (raw) register state |
| the address in which a function should return its structure value, |
| as a CORE_ADDR (or an expression that can be used as one). */ |
| |
| #undef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS |
| #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF)\ |
| (*(CORE_ADDR *)((char*)(REGBUF) + 8 * 4)) |
| |
| extern int delta68_in_sigtramp (CORE_ADDR pc, char *name); |
| #define IN_SIGTRAMP(pc,name) delta68_in_sigtramp (pc, name) |
| |
| extern CORE_ADDR delta68_frame_saved_pc (struct frame_info *fi); |
| #undef DEPRECATED_FRAME_SAVED_PC |
| #define DEPRECATED_FRAME_SAVED_PC(fi) delta68_frame_saved_pc (fi) |
| |
| extern CORE_ADDR delta68_frame_args_address (struct frame_info *fi); |
| #undef FRAME_ARGS_ADDRESS |
| #define FRAME_ARGS_ADDRESS(fi) delta68_frame_args_address (fi) |