gdb/

	* ppc-linux-nat.c (fetch_register, store_register): Fix GCC aliasing
	compilation warning.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e11ad4aa3d3fe98ac421efc735665f5680d27951..607a570c26bb665bd67220174ee5ba05fc628b3d 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2012-02-12  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+       * ppc-linux-nat.c (fetch_register, store_register): Fix GCC aliasing
+       compilation warning.
+
 2012-02-12  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
        Fix crash on loaded shlibs without loaded exec_bfd.

diff --git a/gdb/ppc-linux-nat.c b/gdb/ppc-linux-nat.c
index af80919890afa804c77d3bd58971f8f7eec424dc..2c98f765e836428983dddf940de39e543586b3d5 100644 (file)
--- a/gdb/ppc-linux-nat.c
+++ b/gdb/ppc-linux-nat.c
@@ -593,9 +593,10 @@ fetch_register (struct regcache *regcache, int tid, int regno)
        bytes_transferred < register_size (gdbarch, regno);
        bytes_transferred += sizeof (long))
     {
+      long l;
+
       errno = 0;
-      *(long *) &buf[bytes_transferred]
-        = ptrace (PTRACE_PEEKUSER, tid, (PTRACE_TYPE_ARG3) regaddr, 0);
+      l = ptrace (PTRACE_PEEKUSER, tid, (PTRACE_TYPE_ARG3) regaddr, 0);
       regaddr += sizeof (long);
       if (errno != 0)
        {
@@ -604,6 +605,7 @@ fetch_register (struct regcache *regcache, int tid, int regno)
                   gdbarch_register_name (gdbarch, regno), regno);
          perror_with_name (message);
        }
+      memcpy (&buf[bytes_transferred], &l, sizeof (l));
     }
 
   /* Now supply the register.  Keep in mind that the regcache's idea
@@ -1073,9 +1075,11 @@ store_register (const struct regcache *regcache, int tid, int regno)
 
   for (i = 0; i < bytes_to_transfer; i += sizeof (long))
     {
+      long l;
+
+      memcpy (&l, &buf[i], sizeof (l));
       errno = 0;
-      ptrace (PTRACE_POKEUSER, tid, (PTRACE_TYPE_ARG3) regaddr,
-             *(long *) &buf[i]);
+      ptrace (PTRACE_POKEUSER, tid, (PTRACE_TYPE_ARG3) regaddr, l);
       regaddr += sizeof (long);
 
       if (errno == EIO