darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

(REGISTER_TYPES): Adjust for h8/300h.

Browse source 
(REGISTER_RAW_SIZE): Ditto
(REGISTER_VIRTUAL_TYPE): Use builtin_type_unsigned_long for regs on the h8/300h
(ints may still be 16 bits).
(EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE, EXTRACT_STRUCT_VALUE_ADDRESS):
Add FIXME's for h8/300h.  Some thought needed here.
This commit is contained in:
David Edelsohn 1993-07-08 15:53:13 +00:00
parent 6ac063909f
commit ad8aefa5f6
1 changed files with 10 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

36
gdb/config/h8300/tm-h8300.h
View file

@ -19,18 +19,16 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Contributed by Steve Chamberlain sac@cygnus.com */
int HMODE;
extern int HMODE;
#define BINWORD (HMODE?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.
@ -42,7 +40,6 @@ int HMODE;
extern void init_extra_frame_info ();
#define IEEE_FLOAT
/* Define the bit, byte, and word ordering of the machine. */
#define TARGET_BYTE_ORDER BIG_ENDIAN
@ -53,7 +50,6 @@ extern void init_extra_frame_info ();
#undef TARGET_PTR_BIT
#define TARGET_PTR_BIT (HMODE ? 32:16)
/* Offset from address of function to start of its code.
Zero on most machines. */
@ -62,11 +58,9 @@ extern void init_extra_frame_info ();
/* Advance PC across any function entry prologue instructions
to reach some "real" code. */
#define SKIP_PROLOGUE(ip) {(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
@ -81,14 +75,11 @@ extern CORE_ADDR h8300_skip_prologue ();
#define BREAKPOINT {0x7A, 0xFF}
/* 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
/* Nonzero if instruction at PC is a return instruction. */
/* Allow any of the return instructions, including a trapv and a return
from interupt. */
@ -104,9 +95,8 @@ extern CORE_ADDR h8300_skip_prologue ();
#define REGISTER_TYPE unsigned short
/*# define NUM_REGS 20 /* 20 for fake HW support */
# define NUM_REGS 13
# define REGISTER_BYTES (NUM_REGS*2)
#define NUM_REGS 13
#define REGISTER_BYTES (NUM_REGS * 4)
/* Index within `registers' of the first byte of the space for
register N. */
@ -116,7 +106,7 @@ extern CORE_ADDR h8300_skip_prologue ();
/* 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) (HMODE ? 4:2)
#define REGISTER_RAW_SIZE(N) (HMODE ? 4 : 2)
/* Number of bytes of storage in the program's representation
for register N. */
@ -150,8 +140,7 @@ extern CORE_ADDR h8300_skip_prologue ();
of data in register N. */
#define REGISTER_VIRTUAL_TYPE(N) \
( HMODE ? builtin_type_unsigned_int : builtin_type_unsigned_short)
(HMODE ? builtin_type_unsigned_long : builtin_type_unsigned_short)
/* Initializer for an array of names of registers.
Entries beyond the first NUM_REGS are ignored. */
@ -173,7 +162,6 @@ extern CORE_ADDR h8300_skip_prologue ();
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 */
@ -188,23 +176,23 @@ extern CORE_ADDR h8300_skip_prologue ();
/* 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. */
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
bcopy ((char *)(REGBUF), VALBUF, TYPE_LENGTH(TYPE))
/* 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. */
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
/* 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))
@ -243,8 +231,8 @@ extern CORE_ADDR h8300_skip_prologue ();
SAVED FP <-FP POINTS HERE
LOCALS0
LOCALS1 <-SP POINTS HERE
*/
#define FRAME_SAVED_PC(FRAME) frame_saved_pc(FRAME)
#define FRAME_ARGS_ADDRESS(fi) frame_args_address(fi)
@ -259,7 +247,6 @@ extern CORE_ADDR h8300_skip_prologue ();
#define FRAME_NUM_ARGS(val,fi) (val = -1)
/* Return number of bytes at start of arglist that are not really args. */
#define FRAME_ARGS_SKIP 0
@ -285,7 +272,6 @@ extern CORE_ADDR h8300_skip_prologue ();
#define SHORT_INT_MAX 32767
#define SHORT_INT_MIN -32768
#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
{ memcpy((TO), (FROM), BINWORD); }
#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
@ -301,6 +287,4 @@ typedef unsigned short INSN_WORD;
#define DONT_USE_REMOTE
#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno)