https://bugs.kde.org/show_bug.cgi?id=392146
Bug ID: 392146
Summary: aarch64: unhandled instruction 0xD5380001 (MRS rT,
mdir_el1)
Product: valgrind
Version: 3.14 SVN
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: vex
Assignee: jsew...@acm.org
Reporter: matthias....@gmail.com
Target Milestone: ---
Tested with kernel v4.12, valgrind crashes when trying to check for memory
leaks:
# valgrind --leak-check=yes ../test
==23307== Memcheck, a memory error detector
==23307== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==23307== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==23307== Command: ../test
==23307==
ARM64 front end: branch_etc
disInstr(arm64): unhandled instruction 0xD5380001
disInstr(arm64): 1101'0101 0011'1000 0000'0000 0000'0001
==23307== valgrind: Unrecognised instruction at address 0x4015734.
Root cause is missing support for reads of MDIR_EL1
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