JDK-6490707 : libjvm.so: unexpected PLT reloc type 0x08 when loading VM
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 7
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: linux
  • CPU: x86
  • Submitted: 2006-11-07
  • Updated: 2012-10-08
  • Resolved: 2006-12-02
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JDK 6 JDK 7 Other
6u4Fixed 7Fixed hs10Fixed
Description
Hotspot build with gcc 4.1 on x86 - default on many modern Linux systems leads to unusable 
libjvm.so, failed as "libjvm.so: unexpected PLT reloc type 0x08 "
Comments
EVALUATION We use patching of linker script to create VM relocated to some specific address on Linux/x86 to avoid relocation cost. Thus we build non-relocable DLL to be loaded at specific address. We use output of gcc -Wl,--verbose to obtain proper linker script, and then patch base address. Due to changed behaviour in the way gcc interacts with linker output of gcc -Wl,--verbose 2>&1 > /dev/null got lost, although it should be exactly needed linker script. Fix it to avoid redirection to /dev/null, as nothing else is being printed by compiler anyway.
07-11-2006