gdbstub: Fix access to PPC FPRs

Obviously, someone forgot to rebase the index before accessing one of
the 32 FPRs.
Signed-off-by: NJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5821 c046a42c-6fe2-441c-8c8c-71466251a162

gdbstub.c

@@ -428,7 +428,7 @@ static int cpu_gdb_read_register(CPUState *env, uint8_t *mem_buf, int n)
         GET_REGL(env->gpr[n]);
     } else if (n < 64) {
         /* fprs */
-        stfq_p(mem_buf, env->fpr[n]);
+        stfq_p(mem_buf, env->fpr[n-32]);
         return 8;
     } else {
         switch (n) {
@@ -459,7 +459,7 @@ static int cpu_gdb_write_register(CPUState *env, uint8_t *mem_buf, int n)
         return sizeof(target_ulong);
     } else if (n < 64) {
         /* fprs */
-        env->fpr[n] = ldfq_p(mem_buf);
+        env->fpr[n-32] = ldfq_p(mem_buf);
         return 8;
     } else {
         switch (n) {