[binutils-gdb] py-prettyprint.exp: Add is_address_zero_readable check

[Simon Marchi <simark at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=bf7b9cd9aa4645119792e9d1689e0f014f43934f

commit bf7b9cd9aa4645119792e9d1689e0f014f43934f
Author: Simon Marchi <simon.marchi@ericsson.com>
Date:   Thu Jun 25 13:33:14 2015 -0400

    py-prettyprint.exp: Add is_address_zero_readable check
    
    gdb/testsuite/ChangeLog:
    
    	* gdb.python/py-prettyprint.exp (run_lang_tests): Add
    	is_address_zero_readable check.

Diff:
---
 gdb/testsuite/ChangeLog                     | 5 +++++
 gdb/testsuite/gdb.python/py-prettyprint.exp | 6 ++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index c78dd29..0db8bac 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-25  Simon Marchi  <simon.marchi@ericsson.com>
+
+	* gdb.python/py-prettyprint.exp (run_lang_tests): Add
+	is_address_zero_readable check.
+
 2015-06-24  Peter Bergner  <bergner@vnet.ibm.com>
 
 	* gdb.arch/powerpc-power.exp <rfebb>: Fixup test results.
diff --git a/gdb/testsuite/gdb.python/py-prettyprint.exp b/gdb/testsuite/gdb.python/py-prettyprint.exp
index 399f041..bbcee56 100644
--- a/gdb/testsuite/gdb.python/py-prettyprint.exp
+++ b/gdb/testsuite/gdb.python/py-prettyprint.exp
@@ -92,8 +92,10 @@ proc run_lang_tests {exefile lang} {
     gdb_test "print cstring" " = \"const string\""
 
     gdb_test "print estring" " = \"embedded x\\\\201\\\\202\\\\203\\\\204\""
-    gdb_test "print estring3" \
-	" = <error reading variable: Cannot create a lazy string with address 0x0, and a non-zero length.>"
+    if { ![is_address_zero_readable] } {
+	    gdb_test "print estring3" \
+		" = <error reading variable: Cannot create a lazy string with address 0x0, and a non-zero length.>"
+    }
 
     gdb_test_no_output "python pp_ls_encoding = 'UTF-8'"
     gdb_test "print estring2" "\"embedded \", <incomplete sequence \\\\302>"