Memory error when reading wrong core file.

        * solib-svr4.c (solib_svr4_r_map): catch and print all exception
        errors while reading the inferior memory, and return zero if
        an exception was raised.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 911fcd1..39c0c78 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2010-03-08  Joel Brobecker  <brobecker@adacore.com>
+
+       Memory error when reading wrong core file.
+       * solib-svr4.c (solib_svr4_r_map): catch and print all exception
+       errors while reading the inferior memory, and return zero if
+       an exception was raised.
+
 2010-03-07  Michael Snyder  <msnyder@vmware.com>
 
        * record.c (record_restore): Rename tmpu8 to rectype.

diff --git a/gdb/solib-svr4.c b/gdb/solib-svr4.c
index 4317283..0c6654f 100644 (file)
--- a/gdb/solib-svr4.c
+++ b/gdb/solib-svr4.c
@@ -868,9 +868,16 @@ solib_svr4_r_map (struct svr4_info *info)
 {
   struct link_map_offsets *lmo = svr4_fetch_link_map_offsets ();
   struct type *ptr_type = builtin_type (target_gdbarch)->builtin_data_ptr;
+  CORE_ADDR addr = 0;
+  volatile struct gdb_exception ex;
 
-  return read_memory_typed_address (info->debug_base + lmo->r_map_offset,
-                                   ptr_type);
+  TRY_CATCH (ex, RETURN_MASK_ERROR)
+    {
+      addr = read_memory_typed_address (info->debug_base + lmo->r_map_offset,
+                                        ptr_type);
+    }
+  exception_print (gdb_stderr, ex);
+  return addr;
 }
 
 /* Find r_brk from the inferior's debug base.  */