OpenE2K/binutils-gdb
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* linux-low.c (fetch_register): Ensure buffer size is a multiple

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of sizeof (PTRACE_XFER_TYPE).
	(usr_store_inferior_registers): Likewise.  Zero out excess bytes.
This commit is contained in:
Ulrich Weigand 2005-05-16 10:24:37 +00:00
parent 1b0ba10226
commit 48d93c7500
2 changed files with 17 additions and 6 deletions
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6
gdb/gdbserver/ChangeLog
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@ -1,3 +1,9 @@
2005-05-16 Ulrich Weigand <uweigand@de.ibm.com>
* linux-low.c (fetch_register): Ensure buffer size is a multiple
of sizeof (PTRACE_XFER_TYPE).
(usr_store_inferior_registers): Likewise. Zero out excess bytes.
2005-05-12 Orjan Friberg <orjanf@axis.com>
* target.h (struct target_ops): Add insert_watchpoint,

17
gdb/gdbserver/linux-low.c
View File

@ -1095,7 +1095,7 @@ static void
fetch_register (int regno)
{
CORE_ADDR regaddr;
register int i;
int i, size;
char *buf;
if (regno >= the_low_target.num_regs)
@ -1106,8 +1106,10 @@ fetch_register (int regno)
regaddr = register_addr (regno);
if (regaddr == -1)
return;
buf = alloca (register_size (regno));
for (i = 0; i < register_size (regno); i += sizeof (PTRACE_XFER_TYPE))
size = (register_size (regno) + sizeof (PTRACE_XFER_TYPE) - 1)
& - sizeof (PTRACE_XFER_TYPE);
buf = alloca (size);
for (i = 0; i < size; i += sizeof (PTRACE_XFER_TYPE))
{
errno = 0;
*(PTRACE_XFER_TYPE *) (buf + i) =
@ -1147,7 +1149,7 @@ static void
usr_store_inferior_registers (int regno)
{
CORE_ADDR regaddr;
int i;
int i, size;
char *buf;
if (regno >= 0)
@ -1162,9 +1164,12 @@ usr_store_inferior_registers (int regno)
if (regaddr == -1)
return;
errno = 0;
buf = alloca (register_size (regno));
size = (register_size (regno) + sizeof (PTRACE_XFER_TYPE) - 1)
& - sizeof (PTRACE_XFER_TYPE);
buf = alloca (size);
memset (buf, 0, size);
collect_register (regno, buf);
for (i = 0; i < register_size (regno); i += sizeof (PTRACE_XFER_TYPE))
for (i = 0; i < size; i += sizeof (PTRACE_XFER_TYPE))
{
errno = 0;
ptrace (PTRACE_POKEUSER, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,