Move target_address_t to arch.h, rename to arch_addr_t
Note that the placement under arch.h is currently conceptual only. Since
no backend defines ARCH_HAVE_ADDRESS_TYPES, it's actually in sysdep.h in
all cases.
diff --git a/sysdeps/linux-gnu/arm/breakpoint.c b/sysdeps/linux-gnu/arm/breakpoint.c
index 5bcf86e..5748401 100644
--- a/sysdeps/linux-gnu/arm/breakpoint.c
+++ b/sysdeps/linux-gnu/arm/breakpoint.c
@@ -95,7 +95,7 @@
arch_breakpoint_init(struct Process *proc, struct breakpoint *sbp)
{
/* XXX That uintptr_t cast is there temporarily until
- * target_address_t becomes integral type. */
+ * arch_addr_t becomes integral type. */
int thumb_mode = ((uintptr_t)sbp->addr) & 1;
if (thumb_mode)
sbp->addr = (void *)((uintptr_t)sbp->addr & ~1);