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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Contributed by Steve Chamberlain sac@cygnus.com */
+#ifdef __STDC__
+struct frame_info;
+struct frame_saved_regs;
+struct value;
+struct type;
+#endif
+
+/* 1 if debugging H8/300H application */
extern int h8300hmode;
+extern int h8300smode;
+
+/* Number of bytes in a word */
#define BINWORD (h8300hmode?4:2)
indicate real, cached values. */
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
- init_extra_frame_info (fromleaf, fi)
+ h8300_init_extra_frame_info (fromleaf, fi)
-extern void init_extra_frame_info ();
+extern void h8300_init_extra_frame_info ();
#define IEEE_FLOAT
/* Define the bit, byte, and word ordering of the machine. */
/* Stack grows downward. */
-#define INNER_THAN <
-
-#define BREAKPOINT {0x7A, 0xFF}
+#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 this before including this file. */
#define DECR_PC_AFTER_BREAK 0
-/* Nonzero if instruction at PC is a return instruction. */
-/* Allow any of the return instructions, including a trapv and a return
- from interupt. */
-
-#define ABOUT_TO_RETURN(pc) ((read_memory_unsigned_integer (pc, 2) & ~0x3) == 0x4e74)
-
-/* Return 1 if P points to an invalid floating point value. */
-
-#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
-
/* Say how long registers are. */
-#define REGISTER_TYPE unsigned short
+#define REGISTER_SIZE 4
-/*# define NUM_REGS 20 /* 20 for fake HW support */
#define NUM_REGS 13
+
#define REGISTER_BYTES (NUM_REGS * 4)
/* Index within `registers' of the first byte of the space for
#define MAX_REGISTER_VIRTUAL_SIZE 4
-/* Nonzero if register N requires conversion
- from raw format to virtual format. */
-
-#define REGISTER_CONVERTIBLE(N) 0
-
-/* Convert data from raw format for register REGNUM
- to virtual format for register REGNUM. */
-
-#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
-{ memcpy((TO), (FROM), REGISTER_RAW_SIZE (REGNUM)); }
-
-/* Convert data from virtual format for register REGNUM
- to raw format for register REGNUM. */
-
-#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
-{ memcpy((TO), (FROM), REGISTER_RAW_SIZE (REGNUM)); }
-
/* Return the GDB type object for the "standard" data type
of data in register N. */
/* Initializer for an array of names of registers.
Entries beyond the first NUM_REGS are ignored. */
-#if NUM_REGS==20
-#define REGISTER_NAMES \
- {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp",\
- "ccr","pc","cycles","hcheck","tier","tcsr","frc",\
- "ocra","ocrb","tcr","tocr","icra"}
-#else
#define REGISTER_NAMES \
{"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp", "ccr","pc","cycles","tick","inst"}
-#endif
+
+/* 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,
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 FP_REGNUM 6 /* Contains address 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 */
-
-/* Store the address of the place in which to copy the structure the
- subroutine will return. This is called from call_function. */
-
-/*#define STORE_STRUCT_RETURN(ADDR, SP) \
- { write_register (0, (ADDR)); abort(); }*/
+#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 */
/* 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 PARAMS((struct type *, char *, char *));
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- memcpy (VALBUF, (char *)(REGBUF), TYPE_LENGTH(TYPE))
+ 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 PARAMS((struct type *, char *));
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
+ 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). */
-/* FIXME: Won't work with both h8/300's. */
-#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF))
-\f
+#define 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). */
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 PARAMS ((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. */
the frame chain or following frames back into the startup code.
See the comments in objfile.h */
-#define FRAME_CHAIN_VALID_ALTERNATE
+#define FRAME_CHAIN_VALID(fp,fi) alternate_frame_chain_valid (fp, fi)
/* Define other aspects of the stack frame. */
LOCALS1 <-SP POINTS HERE
*/
-#define FRAME_SAVED_PC(FRAME) frame_saved_pc(FRAME)
+#define FRAME_SAVED_PC(FRAME) h8300_frame_saved_pc(FRAME)
#define FRAME_ARGS_ADDRESS(fi) frame_args_address(fi)
the address we return for it IS the sp for the next frame. */
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
- frame_find_saved_regs(frame_info, &(frame_saved_regs))
+ h8300_frame_find_saved_regs(frame_info, &(frame_saved_regs))
\f
-/* Push an empty stack frame, to record the current PC, etc. */
+typedef unsigned short INSN_WORD;
-/*#define PUSH_DUMMY_FRAME { h8300_push_dummy_frame (); }*/
-/* Discard from the stack the innermost frame, restoring all registers. */
+#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno)
-#define POP_FRAME { h8300_pop_frame (); }
+#define GDB_TARGET_IS_H8300
-#define SHORT_INT_MAX 32767
-#define SHORT_INT_MIN -32768
+#define NUM_REALREGS 10
+#define NOP { 0x01, 0x80} /* A sleep insn */
-#define BEFORE_MAIN_LOOP_HOOK \
- hms_before_main_loop();
+#define BELIEVE_PCC_PROMOTION 1
-typedef unsigned short INSN_WORD;
+/*
+ * 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 PARAMS ((int nargs,
+ struct value **args,
+ CORE_ADDR sp,
+ unsigned char struct_return,
+ CORE_ADDR struct_addr));
+extern CORE_ADDR h8300_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
+
+#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) \
+ (SP) = 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_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)
-#define ADDR_BITS_REMOVE(addr) ((addr) & 0xffff)
-#define ADDR_BITS_SET(addr) (((addr)))
-#define DONT_USE_REMOTE
-#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno)
projects / deliverable / binutils-gdb.git / blobdiff