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RFA: Linux gdbserver: store register values with proper type
- From: Jim Blandy <jimb at redhat dot com>
- To: gdb-patches at sources dot redhat dot com
- Date: 29 May 2003 01:28:29 -0500
- Subject: RFA: Linux gdbserver: store register values with proper type
2003-05-29 Jim Blandy <jimb@redhat.com>
* linux-low.c (usr_store_inferior_registers): Transfer buf in
PTRACE_XFER_TYPE-sized chunks, not int-sized chunks. Otherwise,
if 'int' is smaller than PTRACE_XFER_TYPE, you end up throwing
away part of the register's value.
Index: gdb/gdbserver/linux-low.c
===================================================================
RCS file: /cvs/src/src/gdb/gdbserver/linux-low.c,v
retrieving revision 1.21
diff -c -r1.21 linux-low.c
*** gdb/gdbserver/linux-low.c 26 Mar 2003 16:36:41 -0000 1.21
--- gdb/gdbserver/linux-low.c 29 May 2003 06:15:58 -0000
***************
*** 976,982 ****
{
errno = 0;
ptrace (PTRACE_POKEUSER, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
! *(int *) (buf + i));
if (errno != 0)
{
if ((*the_low_target.cannot_store_register) (regno) == 0)
--- 976,982 ----
{
errno = 0;
ptrace (PTRACE_POKEUSER, inferior_pid, (PTRACE_ARG3_TYPE) regaddr,
! *(PTRACE_XFER_TYPE *) (buf + i));
if (errno != 0)
{
if ((*the_low_target.cannot_store_register) (regno) == 0)