Bug 357338 - disInstr(arm64): unhandled instruction 0x5E140020
Summary: disInstr(arm64): unhandled instruction 0x5E140020
Status: RESOLVED FIXED
Alias: None
Product: valgrind
Classification: Developer tools
Component: memcheck (show other bugs)
Version: unspecified
Platform: Android Other
: NOR grave
Target Milestone: ---
Assignee: Julian Seward
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-12-30 14:18 UTC by satyanarayana koneru
Modified: 2016-07-18 06:36 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

Attachments
Add an attachment

Note You need to log in before you can comment on or make changes to this bug.
Description satyanarayana koneru 2015-12-30 14:18:01 UTC 
Android M - 6.0 Arm64
Valgrind - 3.11.0.SVN.aosp

Valgrind terminating for sha1h , sha1c etc ( sha*) with the below error all the time.

disInstr(arm64): unhandled instruction 0x5E140020
disInstr(arm64): 0101'1110 0001'0100 0000'0000 0010'0000


Reproducible: Always

Steps to Reproduce:
1. Build executable which loads libcrypto.so generated on Android 6.0
2. Run valgrind  ( valgrind < executable> )


Actual Results:  
Error occurs and process terminated.

Expected Results:  
Valgrind should not be terminated.

Assembly code with instructions at the below location.

https://android.googlesource.com/platform/external/boringssl/+/d9e397b599b13d642138480a28c14db7a136bf05/linux-aarch64/crypto/sha/sha1-armv8.S
Comment 1 Julian Seward 2016-07-18 06:36:08 UTC 
Fixed (all SHA* instructions) in vex r3225, tests in valgrind r15908.