> > They have the very same problem when I disable a statically pre-allocated > buffers with -mllvm -vp-static-alloc=0: > > Program received signal SIGILL, Illegal instruction. > 0x00000000004014e6 in calloc (nmemb=1, size=8) at pr97461.c:103 > 103 if (malloc_depth != 0) __builtin_trap(); > (gdb) bt > #0 0x00000000004014e6 in calloc (nmemb=1, size=8) at pr97461.c:103 > #1 0x0000000000401ae1 in allocateValueProfileCounters (Data=0x40a2c8) at > /home/marxin/Programming/llvm-project/compiler-rt/lib/profile/InstrProfilingValue.c:101 > #2 0x0000000000401c45 in instrumentTargetValueImpl (CountValue=1, > CounterIndex=0, Data=0x40a2c8, TargetValue=4199264) at > /home/marxin/Programming/llvm-project/compiler-rt/lib/profile/InstrProfilingValue.c:146 > #3 __llvm_profile_instrument_target (TargetValue=4199264, Data=0x40a2c8, > CounterIndex=0) at > /home/marxin/Programming/llvm-project/compiler-rt/lib/profile/InstrProfilingValue.c:232 > #4 0x000000000040148f in malloc_impl (size=56) at pr97461.c:85 > #5 0x00000000004013fe in malloc (size=56) at pr97461.c:95 > #6 0x00007ffff7e048a3 in __add_to_environ (name=0x406138 > "__LLVM_PROFILE_RT_INIT_ONCE", value=<optimized out>, combined=<optimized > out>, > replace=<optimized out>) at setenv.c:215 > #7 0x0000000000402ce4 in truncateCurrentFile () > #8 0x00000000004039bc in parseAndSetFilename () > #9 0x0000000000404134 in __llvm_profile_initialize () > #10 0x0000000000405e95 in __libc_csu_init (argc=argc@entry=1, > argv=argv@entry=0x7fffffffdfa8, envp=0x7fffffffdfb8) at elf-init.c:89 > #11 0x00007ffff7decd9a in __libc_start_main (main=0x401580 <main>, argc=1, > argv=0x7fffffffdfa8, init=0x405e50 <__libc_csu_init>, fini=<optimized out>, > rtld_fini=<optimized out>, stack_end=0x7fffffffdf98) at > ../csu/libc-start.c:270 > #12 0x00000000004012aa in _start () at ../sysdeps/x86_64/start.S:120
Hmm, it seems to me that having some entries prealocated by default would be way to avoid this problem in majority cases w/o having to modify the upstream packages. Honza
