Bug 196412 - [arm] clang3.5 crashes building audio/libmad
Summary: [arm] clang3.5 crashes building audio/libmad
Status: Closed FIXED
Alias: None
Product: Base System
Classification: Unclassified
Component: arm (show other bugs)
Version: CURRENT
Hardware: Any Any
: --- Affects Some People
Assignee: freebsd-arm (Nobody)
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-01-01 04:08 UTC by Sean Bruno
Modified: 2015-01-02 20:25 UTC (History)
3 users (show)

See Also:

Attachments
assembler files from failed build (33.66 KB, text/plain)
2015-01-01 04:09 UTC, Sean Bruno 		no flags Details
assembler files from failed build (33.66 KB, text/plain)
2015-01-01 04:09 UTC, Sean Bruno 		no flags Details
shell script for assembler file (304 bytes, application/x-shellscript)
2015-01-01 04:10 UTC, Sean Bruno 		no flags Details
shell script for assembler file (304 bytes, application/x-shellscript)
2015-01-01 04:10 UTC, Sean Bruno 		no flags Details
Minimised file showing the crash (90 bytes, text/plain)
2015-01-01 12:12 UTC, Andrew Turner 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Sean Bruno freebsd_committer freebsd_triage 2015-01-01 04:08:48 UTC 
root@11-armv6-11-armv6-ports:/wrkdirs/usr/ports/audio/libmad/work/libmad-0.15.1b # make
/nxb-bin/usr/bin/make  all-recursive
/bin/sh ./libtool --mode=compile /nxb-bin/usr/bin/cc   -O -pipe  -fno-strict-aliasing -c -o imdct_l_arm.lo imdct_l_arm.S
 /nxb-bin/usr/bin/cc -O -pipe -fno-strict-aliasing -c imdct_l_arm.S  -fPIC -DPIC -o .libs/imdct_l_arm.o
Unimplemented
UNREACHABLE executed at /usr/local/poudriere/jails/11-armv6/usr/src/lib/clang/libllvmarmdesc/../../../contrib/llvm/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp:84!
Stack dump:
0.      Program arguments: /nxb-bin/usr/bin/cc -cc1as -triple armv6--freebsd11.0-gnueabi -filetype obj -main-file-name imdct_l_arm.S -target-cpu arm1176jzf-s -target-feature -neon -target-feature -crypto -fdebug-compilation-dir /wrkdirs/usr/ports/audio/libmad/work/libmad-0.15.1b -dwarf-debug-producer FreeBSD clang version 3.5.0 (tags/RELEASE_350/final 216957) 20141124 -o .libs/imdct_l_arm.o /tmp/imdct_l_arm-578a03.s 
1.      Program arguments: -triple armv6--freebsd11.0-gnueabi -filetype obj -main-file-name imdct_l_arm.S -target-cpu arm1176jzf-s -target-feature -neon -target-feature -crypto -fdebug-compilation-dir /wrkdirs/usr/ports/audio/libmad/work/libmad-0.15.1b -dwarf-debug-producer FreeBSD clang version 3.5.0 (tags/RELEASE_350/final 216957) 20141124 -o .libs/imdct_l_arm.o /tmp/imdct_l_arm-578a03.s 
cc: error: unable to execute command: Abort trap (core dumped)
cc: error: clang integrated assembler command failed due to signal (use -v to see invocation)
FreeBSD clang version 3.5.0 (tags/RELEASE_350/final 216957) 20141124
Target: armv6--freebsd11.0-gnueabi
Thread model: posix
cc: note: diagnostic msg: PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include the crash backtrace, preprocessed source, and associated run script.
cc: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
cc: note: diagnostic msg: /tmp/imdct_l_arm-3ad840.S
cc: note: diagnostic msg: /tmp/imdct_l_arm-3ad840.sh
cc: note: diagnostic msg: 

********************
*** Error code 1

Stop.
make[2]: stopped in /wrkdirs/usr/ports/audio/libmad/work/libmad-0.15.1b
*** Error code 1

Stop.
make[1]: stopped in /wrkdirs/usr/ports/audio/libmad/work/libmad-0.15.1b
*** Error code 1

Stop.
make: stopped in /wrkdirs/usr/ports/audio/libmad/work/libmad-0.15.1b
Comment 1 Sean Bruno freebsd_committer freebsd_triage 2015-01-01 04:09:12 UTC 
Created attachment 151173 [details]
assembler files from failed build
Comment 2 Sean Bruno freebsd_committer freebsd_triage 2015-01-01 04:09:29 UTC 
Created attachment 151174 [details]
assembler files from failed build
Comment 3 Sean Bruno freebsd_committer freebsd_triage 2015-01-01 04:10:00 UTC 
Created attachment 151175 [details]
shell script for assembler file
Comment 4 Sean Bruno freebsd_committer freebsd_triage 2015-01-01 04:10:16 UTC 
Created attachment 151176 [details]
shell script for assembler file
Comment 5 Andrew Turner freebsd_committer freebsd_triage 2015-01-01 12:12:53 UTC 
Created attachment 151188 [details]
Minimised file showing the crash

I've created a minimised file showing the crash. It looks like the fixup llvm is not handling is ARM::fixup_arm_adr_pcrel_12 however I'm not sure what the correct fix would be.