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[PATCH] d10v_make_iaddr: make it idempotent.
- From: Michael Snyder <msnyder at cygnus dot com>
- To: gdb-patches at sources dot redhat dot com
- Cc: jimb at redhat dot com
- Date: Fri, 12 Apr 2002 15:39:31 -0700
- Subject: [PATCH] d10v_make_iaddr: make it idempotent.
2002-04-12 Michael Snyder <msnyder@redhat.com>
* d10v-tdep.c (d10v_make_iaddr): Make it idempotent,
in case it gets applied to an address that is already
in the instruction space.
Index: d10v-tdep.c
===================================================================
RCS file: /cvs/cvsfiles/devo/gdb/d10v-tdep.c,v
retrieving revision 2.88
diff -c -3 -p -r2.88 d10v-tdep.c
*** d10v-tdep.c 2002/04/09 03:00:45 2.88
--- d10v-tdep.c 2002/04/12 22:47:30
*************** d10v_register_virtual_type (int reg_nr)
*** 356,373 ****
return builtin_type_int16;
}
- static CORE_ADDR
- d10v_make_daddr (CORE_ADDR x)
- {
- return ((x) | DMEM_START);
- }
-
- static CORE_ADDR
- d10v_make_iaddr (CORE_ADDR x)
- {
- return (((x) << 2) | IMEM_START);
- }
-
static int
d10v_daddr_p (CORE_ADDR x)
{
--- 356,361 ----
*************** d10v_iaddr_p (CORE_ADDR x)
*** 380,385 ****
--- 368,387 ----
return (((x) & 0x3000000) == IMEM_START);
}
+ static CORE_ADDR
+ d10v_make_daddr (CORE_ADDR x)
+ {
+ return ((x) | DMEM_START);
+ }
+
+ static CORE_ADDR
+ d10v_make_iaddr (CORE_ADDR x)
+ {
+ if (d10v_iaddr_p (x))
+ return x; /* Idempotency -- x is already in the IMEM space. */
+ else
+ return (((x) << 2) | IMEM_START);
+ }
static CORE_ADDR
d10v_convert_iaddr_to_raw (CORE_ADDR x)