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[Bug ld/14158] New: zero terminator in middle of .eh_frame


From: amodra at gmail dot com
Subject: [Bug ld/14158] New: zero terminator in middle of .eh_frame
Date: Thu, 24 May 2012 02:05:14 +0000

http://sourceware.org/bugzilla/show_bug.cgi?id=14158

             Bug #: 14158
           Summary: zero terminator in middle of .eh_frame
           Product: binutils
           Version: 2.23 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: address@hidden
        ReportedBy: address@hidden
    Classification: Unclassified


$ powerpc64-linux-gcc -m64 -fpic -fexceptions -shared /src/tmp/hello.c
$ readelf -wf a.out

[snip]
0000003c 00000014 00000040 FDE cie=00000000 pc=00000878..000008c8
  DW_CFA_advance_loc: 4 to 0000087c
  DW_CFA_register: r65 in r12
  DW_CFA_advance_loc: 16 to 0000088c
  DW_CFA_restore_extended: r65

00000054 ZERO terminator


00000058 00000014 00000000 CIE
  Version:               1
  Augmentation:          "zR"
  Code alignment factor: 4
  Data alignment factor: -8
  Return address column: 65
  Augmentation data:     1b

  DW_CFA_def_cfa: r1 ofs 0
[snip]

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