[llvm-bugs] [Bug 39228] New: error("misaligned ldr/str offset") on aarch64-windows build

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Oct 9 08:02:38 PDT 2018


            Bug ID: 39228
           Summary: error("misaligned ldr/str offset") on aarch64-windows
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: COFF
          Assignee: unassignedbugs at nondot.org
          Reporter: dmajor at mozilla.com
                CC: llvm-bugs at lists.llvm.org, martin at martin.st

Created attachment 20979
  --> https://bugs.llvm.org/attachment.cgi?id=20979&action=edit

We're hitting a case where `Size` is 8 but `Imm` ends with hex digit 4 at

This happens with cl.exe as the compiler, as we can't yet build with clang-cl
due to missing support of https://reviews.llvm.org/D51204. Under link.exe these
files link without any errors. I'm assuming that means that lld-link ought to
handle it too.

Hopefully the attached zip file has enough state to reproduce this, but let me
know if I've missed something.

lld-link.exe -NOLOGO -DLL -OUT:mozglue.dll -PDB:mozglue.pdb
-SUBSYSTEM:WINDOWS,6.02 -MACHINE:ARM64 @mozglue_dll.list ./module.res
-DELAYLOAD:user32.dll -DELAYLOAD:crypt32.dll -DELAYLOAD:wintrust.dll
kernel32.lib user32.lib gdi32.lib winmm.lib wsock32.lib advapi32.lib
secur32.lib dbghelp.lib crypt32.lib version.lib wintrust.lib delayimp.lib

lld trunk r343990

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