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gdb and binutils branch master updated. 9d9bf2df89db515958b429a1aeb1db38884ba488


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       via  9d9bf2df89db515958b429a1aeb1db38884ba488 (commit)
      from  1cf2f1b045e9e647f6dfd28829ff4592c588dcb7 (commit)

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9d9bf2df89db515958b429a1aeb1db38884ba488

commit 9d9bf2df89db515958b429a1aeb1db38884ba488
Author: Edjunior Barbosa Machado <emachado@linux.vnet.ibm.com>
Date:   Fri Sep 12 09:20:25 2014 -0300

    PR tdep/17379: Fix internal-error when stack pointer is invalid.
    
    The problem is that rs6000_frame_cache attempts to read the stack backchain via
    read_memory_unsigned_integer, which throws an exception if the stack pointer is
    invalid.  With this patch, it calls safe_read_memory_integer instead, which
    doesn't throw an exception and allows for safe handling of that situation.
    
    gdb/ChangeLog
    2014-09-12  Edjunior Barbosa Machado  <emachado@linux.vnet.ibm.com>
    	    Ulrich Weigand  <uweigand@de.ibm.com>
    
    	PR tdep/17379
    	* rs6000-tdep.c (rs6000_frame_cache): Use safe_read_memory_integer
    	instead of read_memory_unsigned_integer.
    
    gdb/testcase/ChangeLog
    2014-09-12  Edjunior Barbosa Machado  <emachado@linux.vnet.ibm.com>
    
    	PR tdep/17379
    	* gdb.arch/powerpc-stackless.S: New file.
    	* gdb.arch/powerpc-stackless.exp: New file.

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

Summary of changes:
 gdb/ChangeLog                                |    7 ++++
 gdb/rs6000-tdep.c                            |   11 +++++--
 gdb/testsuite/ChangeLog                      |    6 ++++
 gdb/testsuite/gdb.arch/powerpc-stackless.S   |   24 +++++++++++++++
 gdb/testsuite/gdb.arch/powerpc-stackless.exp |   42 ++++++++++++++++++++++++++
 5 files changed, 87 insertions(+), 3 deletions(-)
 create mode 100644 gdb/testsuite/gdb.arch/powerpc-stackless.S
 create mode 100644 gdb/testsuite/gdb.arch/powerpc-stackless.exp


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