diff options
Diffstat (limited to 'gdb/config/h8300/tm-h8300.h')
| -rw-r--r-- | gdb/config/h8300/tm-h8300.h | 287 |
1 files changed, 6 insertions, 281 deletions
diff --git a/gdb/config/h8300/tm-h8300.h b/gdb/config/h8300/tm-h8300.h index 3020e4d..4e60057 100644 --- a/gdb/config/h8300/tm-h8300.h +++ b/gdb/config/h8300/tm-h8300.h @@ -18,17 +18,9 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "regcache.h" - /* Contributed by Steve Chamberlain sac@cygnus.com */ -struct frame_info; -struct frame_saved_regs; -struct value; -struct type; - -/* 1 if debugging H8/300H application */ +#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL /* NOTE: ezannoni 2000-07-18: these variables are part of sim, defined in sim/h8300/compile.c. They really should not be used this @@ -36,279 +28,12 @@ struct type; GDB_TARGET_IS_H8300 in remote-e7000.c */ extern int h8300hmode; extern int h8300smode; - -/* Number of bytes in a word */ - -#define BINWORD (h8300hmode?4:2) - -#define EXTRA_FRAME_INFO \ - struct frame_saved_regs *fsr; \ - CORE_ADDR from_pc; \ - CORE_ADDR args_pointer;\ - CORE_ADDR locals_pointer ; - -/* Zero the frame_saved_regs pointer when the frame is initialized, - so that FRAME_FIND_SAVED_REGS () will know to allocate and - initialize a frame_saved_regs struct the first time it is called. - Set the arg_pointer to -1, which is not valid; 0 and other values - indicate real, cached values. */ - -#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \ - h8300_init_extra_frame_info (fromleaf, fi) - -extern void h8300_init_extra_frame_info (); - -#undef TARGET_INT_BIT -#define TARGET_INT_BIT 16 -#undef TARGET_LONG_BIT -#define TARGET_LONG_BIT 32 -#undef TARGET_PTR_BIT -#define TARGET_PTR_BIT (h8300hmode ? 32:16) - -/* Offset from address of function to start of its code. - Zero on most machines. */ - -#define FUNCTION_START_OFFSET 0 - -/* Advance PC across any function entry prologue instructions - to reach some "real" code. */ - -#define SKIP_PROLOGUE(ip) (h8300_skip_prologue(ip)) -extern CORE_ADDR h8300_skip_prologue (); - -/* Immediately after a function call, return the saved pc. - Can't always go through the frames for this because on some machines - the new frame is not set up until the new function executes - some instructions. */ - -#define SAVED_PC_AFTER_CALL(frame) \ - read_memory_unsigned_integer (read_register (SP_REGNUM), BINWORD) - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/*#define BREAKPOINT {0x7A, 0xFF} */ -#define BREAKPOINT {0x01, 0x80} /* Sleep */ -#define REMOTE_BREAKPOINT { 0x57, 0x30} /* trapa #3 */ -/* If your kernel resets the pc after the trap happens you may need to - define this before including this file. */ - -#define DECR_PC_AFTER_BREAK 0 - -/* Say how long registers are. */ - -#define REGISTER_SIZE 4 - -#define NUM_REGS 14 - -#define REGISTER_BYTES (NUM_REGS * 4) - -/* Index within `registers' of the first byte of the space for - register N. */ - -#define REGISTER_BYTE(N) ((N) * 4) - -/* Number of bytes of storage in the actual machine representation - for register N. On the H8/300, all regs are 2 bytes. */ - -#define REGISTER_RAW_SIZE(N) (h8300hmode ? 4 : 2) - -/* Number of bytes of storage in the program's representation - for register N. */ - -#define REGISTER_VIRTUAL_SIZE(N) (h8300hmode ? 4 : 2) - -/* Largest value REGISTER_RAW_SIZE can have. */ - -#define MAX_REGISTER_RAW_SIZE 4 - -/* Largest value REGISTER_VIRTUAL_SIZE can have. */ - -#define MAX_REGISTER_VIRTUAL_SIZE 4 - -/* Return the GDB type object for the "standard" data type - of data in register N. */ - -#define REGISTER_VIRTUAL_TYPE(N) \ -(h8300hmode ? builtin_type_unsigned_long : builtin_type_unsigned_short) - -/* Initializer for an array of names of registers. - Entries beyond the first NUM_REGS are ignored. */ - -#define REGISTER_NAMES \ - {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp", "ccr","pc","cycles","tick","inst",""} - -/* An array of names of registers. */ - -extern char **h8300_register_names; -#define REGISTER_NAME(i) h8300_register_names[i] - -/* Register numbers of various important registers. - Note that some of these values are "real" register numbers, - and correspond to the general registers of the machine, - and some are "phony" register numbers which are too large - to be actual register numbers as far as the user is concerned - but do serve to get the desired values when passed to read_register. */ - -#define ARG0_REGNUM 0 /* first reg in which an arg may be passed */ -#define ARGLAST_REGNUM 2 /* last reg in which an arg may be passed */ -#define FP_REGNUM 6 /* Contain saddress of executing stack frame */ -#define SP_REGNUM 7 /* Contains address of top of stack */ -#define CCR_REGNUM 8 /* Contains processor status */ -#define PC_REGNUM 9 /* Contains program counter */ -#define EXR_REGNUM 11 /* Contains processor status */ - -/* 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. */ - -/* FIXME: Won't work with both h8/300's. */ - -extern void h8300_extract_return_value (struct type *, char *, char *); -#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ - h8300_extract_return_value (TYPE, (char *)(REGBUF), (char *)(VALBUF)) - -/* Write into appropriate registers a function return value - of type TYPE, given in virtual format. Assumes floats are passed - in d0/d1. */ -/* FIXME: Won't work with both h8/300's. */ - -extern void h8300_store_return_value (struct type *, char *); -#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \ - h8300_store_return_value(TYPE, (char *) (VALBUF)) - -/* struct passing and returning stuff */ -#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ - write_register (0, STRUCT_ADDR) - -#define USE_STRUCT_CONVENTION(gcc_p, type) (1) - -/* 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). */ - -#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ - extract_address (REGBUF + REGISTER_BYTE (0), \ - REGISTER_RAW_SIZE (0)) - -/* Describe the pointer in each stack frame to the previous stack frame - (its caller). */ - -/* FRAME_CHAIN takes a frame's nominal address - and produces the frame's chain-pointer. - - However, if FRAME_CHAIN_VALID returns zero, - it means the given frame is the outermost one and has no caller. */ - -#define FRAME_CHAIN(FRAME) h8300_frame_chain(FRAME) -CORE_ADDR h8300_frame_chain (struct frame_info *); - -/* In the case of the H8/300, the frame's nominal address - is the address of a 2-byte word containing the calling frame's address. */ - -/* Use the alternate method of avoiding running up off the end of - the frame chain or following frames back into the startup code. - See the comments in objfile.h */ - -#define FRAME_CHAIN_VALID(fp,fi) func_frame_chain_valid (fp, fi) - -/* Define other aspects of the stack frame. */ - -/* A macro that tells us whether the function invocation represented - by FI does not have a frame on the stack associated with it. If it - does not, FRAMELESS is set to 1, else 0. */ -#define FRAMELESS_FUNCTION_INVOCATION(FI) \ - (frameless_look_for_prologue (FI)) - -/* Any function with a frame looks like this - SECOND ARG - FIRST ARG - RET PC - SAVED R2 - SAVED R3 - SAVED FP <-FP POINTS HERE - LOCALS0 - LOCALS1 <-SP POINTS HERE - */ - -#define FRAME_SAVED_PC(FRAME) h8300_frame_saved_pc(FRAME) -extern CORE_ADDR h8300_frame_saved_pc (struct frame_info *); - -#define FRAME_ARGS_ADDRESS(fi) h8300_frame_args_address(fi) -extern CORE_ADDR h8300_frame_args_address (struct frame_info *); - -#define FRAME_LOCALS_ADDRESS(fi) h8300_frame_locals_address(fi) -extern CORE_ADDR h8300_frame_locals_address (struct frame_info *); - -/* Set VAL to the number of args passed to frame described by FI. - Can set VAL to -1, meaning no way to tell. */ - -/* We can't tell how many args there are - now that the C compiler delays popping them. */ - -#define FRAME_NUM_ARGS(fi) (-1) - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 0 - -/* Put here the code to store, into a struct frame_saved_regs, - the addresses of the saved registers of frame described by FRAME_INFO. - This includes special registers such as pc and fp saved in special - ways in the stack frame. sp is even more special: - the address we return for it IS the sp for the next frame. */ - -#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ - h8300_frame_find_saved_regs(frame_info, &(frame_saved_regs)) -extern void h8300_frame_find_saved_regs (struct frame_info *, - struct frame_saved_regs *); - - -typedef unsigned short INSN_WORD; - - -#define PRINT_REGISTER_HOOK(regno) h8300_print_register_hook(regno) -extern void h8300_print_register_hook (int); - #define GDB_TARGET_IS_H8300 +/* Needed for remote.c */ +#define REMOTE_BREAKPOINT { 0x57, 0x30} /* trapa #3 */ +/* Needed for remote-hms.c */ +#define CCR_REGNUM 8 +/* Needed for remote-e7000.c */ #define NUM_REALREGS (h8300smode?11:10) -#define NOP { 0x01, 0x80} /* A sleep insn */ - -#define BELIEVE_PCC_PROMOTION 1 - -/* - * CALL_DUMMY stuff: - */ - -#define USE_GENERIC_DUMMY_FRAMES 1 -#define CALL_DUMMY {0} -#define CALL_DUMMY_LENGTH (0) -#define CALL_DUMMY_ADDRESS() entry_point_address () -#define CALL_DUMMY_LOCATION AT_ENTRY_POINT -#define CALL_DUMMY_START_OFFSET (0) -#define CALL_DUMMY_BREAKPOINT_OFFSET (0) - -extern CORE_ADDR h8300_push_arguments (int nargs, - struct value **args, - CORE_ADDR sp, - unsigned char struct_return, - CORE_ADDR struct_addr); -extern CORE_ADDR h8300_push_return_address (CORE_ADDR, CORE_ADDR); -extern void h8300_pop_frame (void); - -#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) -#define FIX_CALL_DUMMY(DUMMY, START_SP, FUNADDR, NARGS, ARGS, TYPE, GCCP) -#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ - (h8300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)) -/* Push an empty stack frame, to record the current PC, etc. */ -#define PUSH_DUMMY_FRAME generic_push_dummy_frame () -/* Discard from the stack the innermost frame, restoring all registers. */ -#define POP_FRAME h8300_pop_frame () -#define PUSH_RETURN_ADDRESS(PC, SP) h8300_push_return_address (PC, SP) -/* override the standard get_saved_register function with - one that takes account of generic CALL_DUMMY frames */ -#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ - generic_unwind_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) |