gdb and binutils branch master updated. 20c6f1e176f4139ed1e76d4256e70149e38c0820

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=20c6f1e176f4139ed1e76d4256e70149e38c0820

commit 20c6f1e176f4139ed1e76d4256e70149e38c0820
Author: Yao Qi <yao@codesourcery.com>
Date:   Thu Aug 7 16:09:38 2014 +0800

    Remove duplicated code on checking address 0x0 is accessiable
    
    I find some gdb.python tests fail on arm-none-eabi target, because the
    tests assume that memory on address 0x is inaccessible.  Some tests
    (in gdb.base) are aware of this, so do a "x 0" check first.  However,
    the code is copy-n-paste.
    
    This patch is to move the "x 0" check to a procedure in lib/gdb.exp,
    and get needed tests call it.  The original code matches pattern
    "0x0:\[ \t\]*Error accessing memory address 0x0\r\n$gdb_prompt $", but
    I remove it from the new proc is_address_zero_readable, because GDB
    doesn't emit such message any more.
    
    gdb/testsuite:
    
    2014-08-09  Yao Qi  <yao@codesourcery.com>
    
    	* gdb.base/display.exp: Invoke is_address_zero_readable.
    	* gdb.guile/scm-value.exp (test_value_in_inferior): Likewise.
    	* gdb.python/py-value.exp (test_value_in_inferior): Likewise.
    	* gdb.base/hbreak-unmapped.exp: Return if
    	is_address_zero_readable returns true.
    	* gdb.base/signest.exp: Likewise.
    	* gdb.base/signull.exp: Likewise.
    	* gdb.base/sigbpt.exp: Likewise.
    	* gdb.guile/scm-disasm.exp: Do the test if
    	is_address_zero_readable returns false.
    	* gdb.guile/scm-pretty-print.exp (run_lang_tests): Likewise.
    	* gdb.python/py-arch.exp: Likewise.
    	* gdb.python/py-prettyprint.exp (run_lang_tests): Likewise.
    	* lib/gdb.exp (is_address_zero_readable): New proc.

-----------------------------------------------------------------------

Summary of changes:
 gdb/testsuite/ChangeLog                      |   17 +++++++++++++++++
 gdb/testsuite/gdb.base/display.exp           |    9 +--------
 gdb/testsuite/gdb.base/hbreak-unmapped.exp   |   10 +++-------
 gdb/testsuite/gdb.base/sigbpt.exp            |   10 +++-------
 gdb/testsuite/gdb.base/signest.exp           |   10 +++-------
 gdb/testsuite/gdb.base/signull.exp           |   10 +++-------
 gdb/testsuite/gdb.guile/scm-disasm.exp       |    8 +++++---
 gdb/testsuite/gdb.guile/scm-pretty-print.exp |    4 +++-
 gdb/testsuite/gdb.guile/scm-value.exp        |    9 +--------
 gdb/testsuite/gdb.python/py-arch.exp         |    8 +++++---
 gdb/testsuite/gdb.python/py-prettyprint.exp  |    5 ++++-
 gdb/testsuite/gdb.python/py-value.exp        |    9 +--------
 gdb/testsuite/lib/gdb.exp                    |   18 ++++++++++++++++++
 13 files changed, 67 insertions(+), 60 deletions(-)


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