[4/8] Implement unconditional_branch_address method for x86-64 and i386
Commit Message
Here is an updated patch for x86_64 and i386.
Implement unconditional_branch_destination method for x86-64 and i386.
gdb/ChangeLog:
* i386-tdep.c (i386_unconditional_branch_destination): New function.
(i386_gdbarch_init): Register i386_unconditional_branch_destination.
---
gdb/i386-tdep.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
@@ -8237,6 +8237,23 @@ i386_validate_tdesc_p (struct gdbarch_tdep *tdep,
return valid_p;
}
+/* Implement the unconditional_branch_destination gdbarch method. */
+
+static int
+i386_unconditional_branch_destination (struct gdbarch *gdbarch, CORE_ADDR pc,
+ CORE_ADDR *dest)
+{
+ CORE_ADDR new_pc = i386_follow_jump (gdbarch, pc);
+
+ if (new_pc == pc)
+ return 0;
+ else
+ {
+ *dest = new_pc;
+ return 1;
+ }
+}
+
static struct gdbarch *
i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
@@ -8582,6 +8599,10 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_fast_tracepoint_valid_at (gdbarch,
i386_fast_tracepoint_valid_at);
+ /* Unconditional Branch. */
+ set_gdbarch_unconditional_branch_destination
+ (gdbarch, i386_unconditional_branch_destination);
+
return gdbarch;
}