From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Tue, 24 Jul 2007 12:49:24 +0000 (+0000)
Subject: 	* target.c (memory_xfer_partial): Accesses to unmapped overlay
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=98646950ba7fc48d4dc57b3d55be70fdbffee4ab;p=binutils-gdb.git

	* target.c (memory_xfer_partial): Accesses to unmapped overlay
	sections should always go to the executable file.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 60f4e9af767..5165e0b091a 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2007-07-24  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* target.c (memory_xfer_partial): Accesses to unmapped overlay
+	sections should always go to the executable file.
+
 2004-07-20  Chris Dearman  <chris@mips.com>
 
 	* mips-tdep.c (heuristic_proc_start): Add more MIPS16 function
diff --git a/gdb/target.c b/gdb/target.c
index 2bb50e6f6b8..92a4d6ac2c9 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -1017,6 +1017,14 @@ memory_xfer_partial (struct target_ops *ops, void *readbuf, const void *writebuf
 	return xfer_memory (memaddr, readbuf, len, 0, NULL, ops);
     }
 
+  /* Likewise for accesses to unmapped overlay sections.  */
+  if (readbuf != NULL && overlay_debugging)
+    {
+      asection *section = find_pc_overlay (memaddr);
+      if (pc_in_unmapped_range (memaddr, section))
+	return xfer_memory (memaddr, readbuf, len, 0, NULL, ops);
+    }
+
   /* Try GDB's internal data cache.  */
   region = lookup_mem_region (memaddr);
   /* region->hi == 0 means there's no upper bound.  */