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[Bug binutils/20702] [libopcodes][x86] Invalid suffix for sysret instruc
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From: |
nholcomb at wisc dot edu |
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Subject: |
[Bug binutils/20702] [libopcodes][x86] Invalid suffix for sysret instruction due to data16 prefix |
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Date: |
Tue, 18 Apr 2017 15:26:01 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=20702
--- Comment #1 from nholcomb at wisc dot edu ---
This issue appears for return instructions as well. The data16 prefix should
not affect instructions acting on address-size dependent operands.
Return example:
Bytes: 66 c3
Instruction: retw
The instruction should be retq using 64-bit addressing.
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