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Add Rust-specific buildsystem fixes #11
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cc: @alexcrichton |
TimNN
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Apr 13, 2017
Enable more ignores when we start crashing.
Unwind in CHECK SIGSEGVs if happens early:
FATAL: ThreadSanitizer CHECK failed: ../projects/compiler-rt/lib/tsan/rtl/tsan_platform_posix.cc:105 "((beg)) <= ((end))" (0x8000000000, 0x4000000000)
Program received signal SIGSEGV, Segmentation fault.
__tsan::MetaMap::GetAndLock (this=0x1337c88 <__tsan::ctx_placeholder+8>, thr=thr@entry=0x7ffff7f91800, pc=pc@entry=4639488, addr=addr@entry=140737339086992, write_lock=write_lock@entry=true,
create=create@entry=true) at ../projects/compiler-rt/lib/tsan/rtl/tsan_sync.cc:208
208 u32 idx0 = *meta;
(gdb) bt
#0 __tsan::MetaMap::GetAndLock (this=0x1337c88 <__tsan::ctx_placeholder+8>, thr=thr@entry=0x7ffff7f91800, pc=pc@entry=4639488, addr=addr@entry=140737339086992, write_lock=write_lock@entry=true,
create=create@entry=true) at ../projects/compiler-rt/lib/tsan/rtl/tsan_sync.cc:208
#1 0x00000000004a965f in __tsan::MetaMap::GetOrCreateAndLock (this=<optimized out>, thr=thr@entry=0x7ffff7f91800, pc=pc@entry=4639488, addr=addr@entry=140737339086992, write_lock=write_lock@entry=true)
at ../projects/compiler-rt/lib/tsan/rtl/tsan_sync.cc:198
#2 0x00000000004a162a in __tsan::Release (thr=0x7ffff7f91800, pc=pc@entry=4639488, addr=addr@entry=140737339086992) at ../projects/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc:395
#3 0x000000000046cc40 in __interceptor_pthread_once (o=0x7ffff71a5890 <once_regsizes>, f=0x7ffff6f9d9c0 <init_dwarf_reg_size_table>) at ../projects/compiler-rt/lib/tsan/rtl/tsan_interceptors.cc:1334
#4 0x00007ffff6f9fe86 in __gthread_once (__func=0x7ffff6f9d9c0 <init_dwarf_reg_size_table>, __once=0x7ffff71a5890 <once_regsizes>) at ./gthr-default.h:699
#5 uw_init_context_1 (context=context@entry=0x7fffffffd6d0, outer_cfa=outer_cfa@entry=0x7fffffffd980, outer_ra=0x437d13 <__sanitizer::BufferedStackTrace::SlowUnwindStack(unsigned long, unsigned int)+67>)
at ../../../src/libgcc/unwind-dw2.c:1572
#6 0x00007ffff6fa06a8 in _Unwind_Backtrace (trace=0x437c30 <__sanitizer::Unwind_Trace(_Unwind_Context*, void*)>, trace_argument=0x7fffffffd980) at ../../../src/libgcc/unwind.inc:283
#7 0x0000000000437d13 in __sanitizer::BufferedStackTrace::SlowUnwindStack (this=0x7ffff6103208, pc=pc@entry=4863574, max_depth=max_depth@entry=256)
at ../projects/compiler-rt/lib/sanitizer_common/sanitizer_unwind_linux_libcdep.cc:125
#8 0x0000000000434f4a in __sanitizer::BufferedStackTrace::Unwind (this=this@entry=0x7ffff6103208, max_depth=max_depth@entry=256, pc=pc@entry=4863574, bp=bp@entry=0, context=context@entry=0x0,
stack_top=stack_top@entry=0, stack_bottom=stack_bottom@entry=0, request_fast_unwind=request_fast_unwind@entry=false) at ../projects/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc:76
#9 0x00000000004a36b3 in PrintCurrentStackSlow (pc=4863574) at ../projects/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc:696
#10 __tsan::TsanCheckFailed (file=<optimized out>, line=<optimized out>, cond=<optimized out>, v1=<optimized out>, v2=<optimized out>) at ../projects/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc:44
#11 0x000000000042dfd6 in __sanitizer::CheckFailed (file=file@entry=0x4b9fd0 "../projects/compiler-rt/lib/tsan/rtl/tsan_platform_posix.cc", line=line@entry=105,
cond=cond@entry=0x4ba049 "((beg)) <= ((end))", v1=v1@entry=549755813888, v2=v2@entry=274877906944) at ../projects/compiler-rt/lib/sanitizer_common/sanitizer_termination.cc:79
#12 0x00000000004aa36c in ProtectRange (end=274877906944, beg=549755813888) at ../projects/compiler-rt/lib/tsan/rtl/tsan_platform_posix.cc:105
#13 __tsan::CheckAndProtect () at ../projects/compiler-rt/lib/tsan/rtl/tsan_platform_posix.cc:133
#14 0x00000000004a9e95 in __tsan::InitializePlatform () at ../projects/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc:280
#15 0x0000000000497e73 in __tsan::Initialize (thr=0x7ffff7f91800) at ../projects/compiler-rt/lib/tsan/rtl/tsan_rtl.cc:343
#16 0x00007ffff7dea25a in _dl_init (main_map=0x7ffff7ffe1c8, argc=1, argv=0x7fffffffdb88, env=0x7fffffffdb98) at dl-init.c:111
#17 0x00007ffff7ddb30a in _dl_start_user () at rtld.c:871
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@281969 91177308-0d34-0410-b5e6-96231b3b80d8
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