gdb and binutils branch master updated. 491793b5cbcc9f42662a2da8427c0022d7b03f9c

[aburgess at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=491793b5cbcc9f42662a2da8427c0022d7b03f9c

commit 491793b5cbcc9f42662a2da8427c0022d7b03f9c
Author: Andrew Burgess <andrew.burgess@embecosm.com>
Date:   Sun Jan 4 00:03:16 2015 +0000

    gas/avr: Prevent incorrect overflow errors for diff fixups.
    
    When fixups are converted to a difference type within md_apply_fix, we
    previously left the contents of VALP (the value that was initially
    computed within write.c:fixup_segment) unchanged.  This is harmless,
    except that this value is used within write.c:fixup_segment once we
    return from md_apply_fix to perform an overflow check.
    
    In some cases, the value computed in write.c:fixup_segment is so wrong
    that an overflow error can be triggered.  These errors are incorrect.
    
    This patch avoids the overflow errors by adjusting the value in
    write.c:fixup_segment using the VALP pointer in md_apply_fix.
    
    A test for this issue is included.
    
    gas/ChangeLog:
    
    	* config/tc-avr.c (md_apply_fix): Update the contents of VALP for
    	diff fixups.
    
    gas/testsuite/ChangeLog:
    
    	* gas/avr/large-debug-line-table.d: New file.
    	* gas/avr/large-debug-line-table.s: New file.

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

Summary of changes:
 gas/ChangeLog                                  |    5 +++++
 gas/config/tc-avr.c                            |    1 +
 gas/testsuite/ChangeLog                        |    5 +++++
 gas/testsuite/gas/avr/large-debug-line-table.d |   15 +++++++++++++++
 gas/testsuite/gas/avr/large-debug-line-table.s |   16 ++++++++++++++++
 5 files changed, 42 insertions(+), 0 deletions(-)
 create mode 100644 gas/testsuite/gas/avr/large-debug-line-table.d
 create mode 100644 gas/testsuite/gas/avr/large-debug-line-table.s


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