Forums - Cannot load libvulcan.so - GNU Hash error

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Cannot load libvulcan.so - GNU Hash error
jc1da.3011
Join Date: 31 Jan 15
Posts: 1
Posted: Tue, 2016-03-22 11:35
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Hi,

I got error "dlopen failed: empty/missing DT_HASH in "libvulkan.so" (built with --hash-style=gnu?)" when my app tried to load that library.

I'm using both Note 4 & Z5 for testing but both failed to load

Is this library really built with GNU HASH? I tried readelf and the results are below

########################################

readelf -d libvulkan.so 
 
Dynamic section at offset 0x13b18 contains 35 entries:
  Tag        Type                         Name/Value
 0x00000003 (PLTGOT)                     0x14c94
 0x00000002 (PLTRELSZ)                   1728 (bytes)
 0x00000017 (JMPREL)                     0x3de8
 0x00000014 (PLTREL)                     REL
 0x00000011 (REL)                        0x2b98
 0x00000012 (RELSZ)                      4688 (bytes)
 0x00000013 (RELENT)                     8 (bytes)
 0x6ffffffa (RELCOUNT)                   409
 0x00000006 (SYMTAB)                     0x1a0
 0x0000000b (SYMENT)                     16 (bytes)
 0x00000005 (STRTAB)                     0x1090
 0x0000000a (STRSZ)                      5013 (bytes)
 0x6ffffef5 (GNU_HASH)                   0x2428
 0x00000001 (NEEDED)                     Shared library: [libhardware.so]
 0x00000001 (NEEDED)                     Shared library: [liblog.so]
 0x00000001 (NEEDED)                     Shared library: [libsync.so]
 0x00000001 (NEEDED)                     Shared library: [libutils.so]
 0x00000001 (NEEDED)                     Shared library: [libcutils.so]
 0x00000001 (NEEDED)                     Shared library: [libc++.so]
 0x00000001 (NEEDED)                     Shared library: [libdl.so]
 0x00000001 (NEEDED)                     Shared library: [libc.so]
 0x00000001 (NEEDED)                     Shared library: [libm.so]
 0x0000000e (SONAME)                     Library soname: [libvulkan.so]
 0x0000001a (FINI_ARRAY)                 0x144b8
 0x0000001c (FINI_ARRAYSZ)               4 (bytes)
 0x00000019 (INIT_ARRAY)                 0x14b14
 0x0000001b (INIT_ARRAYSZ)               4 (bytes)
 0x0000001e (FLAGS)                      BIND_NOW
 0x6ffffffb (FLAGS_1)                    Flags: NOW
 0x6ffffff0 (VERSYM)                     0x294c
 0x6ffffffc (VERDEF)                     0x2b2c
 0x6ffffffd (VERDEFNUM)                  1
 0x6ffffffe (VERNEED)                    0x2b48
 0x6fffffff (VERNEEDNUM)                 2
 0x00000000 (NULL)                       0x0
########################################################
 
Do you have another version of this library built with SYSV hash style?
Thank you so much
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