[elftoolchain-vcs-changes] SF.net SVN: elftoolchain:[963] trunk/libdwarf

[<kai...@us...>]

Revision: 963
          http://elftoolchain.svn.sourceforge.net/elftoolchain/?rev=963&view=rev
Author:   kaiwang27
Date:     2010-05-23 00:10:18 +0000 (Sun, 23 May 2010)

Log Message:
-----------
Improved .eh_frame section handling:

* Add constants for the LSB extension to DWARF2.
* Parse .eh_frame CIE augment for augment 'R'. Augment 'R' defines the
  encode format needed for decoding FDE PC start and range values.
* Add _dwarf_frame_read_lsb_encoded() function which decodes "LSB encoded"
  values according to the LSB extension to DWARF2.
* Add error code DW_DLE_FRAME_AUGMENTATION_UNKNOWN for reporting unknown
  CIE agumentation.

LSB exception handling spec (.eh_frame) and LSB DWARF2 extension is available at:
http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/ehframechpt.html
http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/dwarfext.html#DWARFEHENCODING

Modified Paths:
--------------
    trunk/libdwarf/_libdwarf.h
    trunk/libdwarf/dwarf.h
    trunk/libdwarf/dwarf_errmsg.c
    trunk/libdwarf/libdwarf.h
    trunk/libdwarf/libdwarf_frame.c
    trunk/libdwarf/libdwarf_init.c


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