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Setting xmm registers fail #13090

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bannsec opened this issue Feb 13, 2019 · 1 comment
Closed

Setting xmm registers fail #13090

bannsec opened this issue Feb 13, 2019 · 1 comment
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RDebug

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@bannsec
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bannsec commented Feb 13, 2019

Work environment

Questions Answers
OS/arch/bits (mandatory) Ubuntu x86 64
File format of the file you reverse (mandatory) ELF
Architecture/bits of the file (mandatory) x86/64
r2 -v full output, not truncated (mandatory) radare2 3.3.0-git 81 @ linux-x86-64 git.3.3.0-git commit: 69ed848 build: 2019-02-13__23:04:54

Expected behavior

Running dr xmm0l=0x10 will set xmm0l to be 0x10.

Actual behavior

xmm0l is unchanged.

Steps to reproduce the behavior

  • r2 -d /bin/ls
  • drt all # Just to see what the current value is
  • dr xmm0l=0x10 # Try to set it
  • drt all # verify it didn't set

Additional Logs, screenshots, source-code, configuration dump, ...
@bannsec bannsec mentioned this issue Feb 16, 2019
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@koyaan
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koyaan commented Oct 26, 2019

This appears to have been fixed by correcting the register profile.

[0x004000b0]> dr xmm0l=0xAABBCCDD
[0x004000b0]> dr xmm0h=0x31337
[0x004000b0]> dr xmm0
0x00000000aabbccdd0000000000031337

@radare radare closed this as completed Oct 27, 2019
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@radare @Maijin @koyaan @bannsec