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comparison src/os/linux/vm/os_linux.cpp @ 12313:899ecf76b570

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8023956: Provide a work-around to broken Linux 32 bit "Exec Shield" using CS for NX emulation (crashing with SI_KERNEL) Summary: Execute some code at a high virtual address value, and keep mapped Reviewed-by: coleenp, zgu
author dsimms
date Wed, 25 Sep 2013 13:58:13 +0200
parents 06ae47d9d088
children cefad50507d8 aa6f2ea19d8f
comparison
equal deleted inserted replaced
12292:084b21cd0228 12313:899ecf76b570
4836 // the yellow/red zones can be guarded. 4836 // the yellow/red zones can be guarded.
4837 JavaThread::set_stack_size_at_create(round_to(threadStackSizeInBytes, 4837 JavaThread::set_stack_size_at_create(round_to(threadStackSizeInBytes,
4838 vm_page_size())); 4838 vm_page_size()));
4839 4839
4840 Linux::capture_initial_stack(JavaThread::stack_size_at_create()); 4840 Linux::capture_initial_stack(JavaThread::stack_size_at_create());
4841
4842 #if defined(IA32)
4843 workaround_expand_exec_shield_cs_limit();
4844 #endif
4841 4845
4842 Linux::libpthread_init(); 4846 Linux::libpthread_init();
4843 if (PrintMiscellaneous && (Verbose || WizardMode)) { 4847 if (PrintMiscellaneous && (Verbose || WizardMode)) {
4844 tty->print_cr("[HotSpot is running with %s, %s(%s)]\n", 4848 tty->print_cr("[HotSpot is running with %s, %s(%s)]\n",
4845 Linux::glibc_version(), Linux::libpthread_version(), 4849 Linux::glibc_version(), Linux::libpthread_version(),