[Bug binutils/14020] New: ARM: objdump wrongly disassembles illegal pc-relative T3 or T4 encodings of STR as valid

2012-04-25 Thread albert.u.boot at aribaud dot net
http://sourceware.org/bugzilla/show_bug.cgi?id=14020

 Bug #: 14020
   Summary: ARM: objdump wrongly disassembles illegal pc-relative
T3 or T4 encodings of STR as valid
   Product: binutils
   Version: 2.22
Status: NEW
  Severity: minor
  Priority: P2
 Component: binutils
AssignedTo: unassig...@sourceware.org
ReportedBy: albert.u.b...@aribaud.net
Classification: Unclassified


Objdump displays ARM instructions of the form 0xf84f or 0xf8cf as
"str.w rN,[PC, -nnn]" whereas these forms are illegal encodings of STR, T4 and
T3 respectively. These instructions should be decoded as e.g. ".inst ..." to
let readers know the instructions are undefined.

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[Bug binutils/14020] ARM: objdump wrongly disassembles illegal pc-relative T3 or T4 encodings of STR as valid

2012-04-25 Thread albert.u.boot at aribaud dot net
http://sourceware.org/bugzilla/show_bug.cgi?id=14020

--- Comment #1 from Albert ARIBAUD  
2012-04-25 11:05:09 UTC ---
Created attachment 6367
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6367
Assembly language test case

Assemble this file then objdump it to see wrong objdump decoding

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[Bug binutils/14020] ARM: objdump wrongly disassembles illegal pc-relative T3 or T4 encodings of STR as valid

2012-04-25 Thread albert.u.boot at aribaud dot net
http://sourceware.org/bugzilla/show_bug.cgi?id=14020

Albert ARIBAUD  changed:

   What|Removed |Added

 CC||albert.u.boot at aribaud
   ||dot net

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