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* findvar.c, defs.h

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({extract,store}_{signed_integer,unsigned_integer,address}):
	New routines to replace SWAP_TARGET_AND_HOST.
	All over: All uses of SWAP_TARGET_AND_HOST on integers replaced.
This commit is contained in:
Jim Kingdon 1993-07-10 01:35:53 +00:00
parent ec1c752b34
commit 34df79fc9d
16 changed files with 197 additions and 489 deletions
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34
gdb/remote-mips.c
View file

@ -1061,10 +1061,14 @@ mips_fetch_registers (regno)
if (err)
error ("Can't read register %d: %s", regno, safe_strerror (errno));
/* We got the number the register holds, but gdb expects to see a
value in the target byte ordering. */
SWAP_TARGET_AND_HOST (&val, sizeof (REGISTER_TYPE));
supply_register (regno, (char *) &val);
{
char buf[MAX_REGISTER_RAW_SIZE];
/* We got the number the register holds, but gdb expects to see a
value in the target byte ordering. */
store_unsigned_integer (buf, REGISTER_RAW_SIZE (regno), val);
supply_register (regno, buf);
}
}
/* Prepare to store registers. The MIPS protocol can store individual
@ -1157,7 +1161,7 @@ mips_xfer_memory (memaddr, myaddr, len, write, ignore)
/* Round ending address up; get number of longwords that makes. */
register int count = (((memaddr + len) - addr) + 3) / 4;
/* Allocate buffer of that many longwords. */
register unsigned int *buffer = (unsigned int *) alloca (count * 4);
register char *buffer = alloca (count * 4);
if (write)
{
@ -1165,14 +1169,15 @@ mips_xfer_memory (memaddr, myaddr, len, write, ignore)
if (addr != memaddr || len < 4)
{
/* Need part of initial word -- fetch it. */
buffer[0] = mips_fetch_word (addr);
SWAP_TARGET_AND_HOST (buffer, 4);
store_unsigned_integer (&buffer[0], 4, mips_fetch_word (addr));
}
if (count > 1) /* FIXME, avoid if even boundary */
if (count > 1)
{
buffer[count - 1] = mips_fetch_word (addr + (count - 1) * 4);
SWAP_TARGET_AND_HOST (buffer + (count - 1) * 4, 4);
/* Need part of last word -- fetch it. FIXME: we do this even
if we don't need it. */
store_unsigned_integer (&buffer[(count - 1) * 4], 4,
mips_fetch_word (addr + (count - 1) * 4));
}
/* Copy data to be written over corresponding part of buffer */
@ -1183,8 +1188,8 @@ mips_xfer_memory (memaddr, myaddr, len, write, ignore)
for (i = 0; i < count; i++, addr += 4)
{
SWAP_TARGET_AND_HOST (buffer + i, 4);
mips_store_word (addr, buffer[i]);
mips_store_word (addr, extract_unsigned_integer (&buffer[i*4], 4));
/* FIXME: Do we want a QUIT here? */
}
}
else
@ -1192,13 +1197,12 @@ mips_xfer_memory (memaddr, myaddr, len, write, ignore)
/* Read all the longwords */
for (i = 0; i < count; i++, addr += 4)
{
buffer[i] = mips_fetch_word (addr);
SWAP_TARGET_AND_HOST (buffer + i, 4);
store_unsigned_integer (&buffer[i*4], 4, mips_fetch_word (addr));
QUIT;
}
/* Copy appropriate bytes out of the buffer. */
memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
memcpy (myaddr, buffer + (memaddr & 3), len);
}
return len;
}