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* target.c (target_read): Stop if target_read_partial returns 0

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when some bytes have already been read.
	(target_write): Likewise for target_write_partial.
	(target_read_partial, target_write_partial): Make static.
	(target_read_alloc): New.
	* target.h: Doc fixes.
	(target_read_partial, target_write_partial): Delete prototypes.
	(target_read_alloc): New prototype.

	* auxv.c (target_auxv_read): Delete.
	(target_auxv_search, fprint_target_auxv): Use target_read_alloc.
	* auxv.h (target_auxv_read): Delete prototype.
	* avr-tdep.c (avr_io_reg_read_command): Use target_read_alloc.
	* ia64-tdep.c (getunwind_table, get_kernel_table): Likewise.
	* linux-nat.c (linux_nat_make_corefile_notes): Likewise.
	* procfs.c (procfs_make_note_section): Likewise.
	* remote.c (remote_xfer_partial): Don't loop here.
	* sparc-tdep.c (sparc_fetch_wcookie): Use target_read.
This commit is contained in:
Daniel Jacobowitz
2006-07-12 18:13:45 +00:00
parent edfb1a2648
commit 13547ab600
11 changed files with 206 additions and 165 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
gdb/avr-tdep.c
View File

@@ -1,7 +1,7 @@
/* Target-dependent code for Atmel AVR, for GDB.
Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2005 Free Software Foundation, Inc.
2005, 2006 Free Software Foundation, Inc.
This file is part of GDB.
@@ -1323,45 +1323,35 @@ static void
avr_io_reg_read_command (char *args, int from_tty)
{
LONGEST bufsiz = 0;
char buf[400];
gdb_byte *buf;
char query[400];
char *p;
unsigned int nreg = 0;
unsigned int val;
int i, j, k, step;
/* Just get the maximum buffer size. */
bufsiz = target_read_partial (&current_target, TARGET_OBJECT_AVR,
NULL, NULL, 0, 0);
if (bufsiz < 0)
/* Find out how many io registers the target has. */
bufsiz = target_read_alloc (&current_target, TARGET_OBJECT_AVR,
"avr.io_reg", &buf);
if (bufsiz <= 0)
{
fprintf_unfiltered (gdb_stderr,
_("ERR: info io_registers NOT supported "
"by current target\n"));
return;
}
if (bufsiz > sizeof (buf))
bufsiz = sizeof (buf);
/* Find out how many io registers the target has. */
strcpy (query, "avr.io_reg");
target_read_partial (&current_target, TARGET_OBJECT_AVR, query, buf, 0,
bufsiz);
if (strncmp (buf, "", bufsiz) == 0)
{
fprintf_unfiltered (gdb_stderr,
_("info io_registers NOT supported by target\n"));
return;
}
if (sscanf (buf, "%x", &nreg) != 1)
{
fprintf_unfiltered (gdb_stderr,
_("Error fetching number of io registers\n"));
xfree (buf);
return;
}
xfree (buf);
reinitialize_more_filter ();
printf_unfiltered (_("Target has %u io registers:\n\n"), nreg);
@@ -1377,8 +1367,8 @@ avr_io_reg_read_command (char *args, int from_tty)
j = nreg - i; /* last block is less than 8 registers */
snprintf (query, sizeof (query) - 1, "avr.io_reg:%x,%x", i, j);
target_read_partial (&current_target, TARGET_OBJECT_AVR, query, buf,
0, bufsiz);
bufsiz = target_read_alloc (&current_target, TARGET_OBJECT_AVR,
query, &buf);
p = buf;
for (k = i; k < (i + j); k++)
@@ -1393,6 +1383,8 @@ avr_io_reg_read_command (char *args, int from_tty)
break;
}
}
xfree (buf);
}
}