src/os_cpu/linux_sparc/vm/os_linux_sparc.cpp

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rev 3149 : 7147740: add assertions to check stack alignment on VM entry from generated code (x64)
Summary: check stack alignment on VM entry on x64.
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 739 ///////////////////////////////////////////////////////////////////////////////
 740 // thread stack
 741 
 742 size_t os::Linux::min_stack_allowed  = 128 * K;
 743 
 744 // pthread on Ubuntu is always in floating stack mode
 745 bool os::Linux::supports_variable_stack_size() {  return true; }
 746 
 747 // return default stack size for thr_type
 748 size_t os::Linux::default_stack_size(os::ThreadType thr_type) {
 749   // default stack size (compiler thread needs larger stack)
 750   size_t s = (thr_type == os::compiler_thread ? 4 * M : 1 * M);
 751   return s;
 752 }
 753 
 754 size_t os::Linux::default_guard_size(os::ThreadType thr_type) {
 755   // Creating guard page is very expensive. Java thread has HotSpot
 756   // guard page, only enable glibc guard page for non-Java threads.
 757   return (thr_type == java_thread ? 0 : page_size());
 758 }








 739 ///////////////////////////////////////////////////////////////////////////////
 740 // thread stack
 741 
 742 size_t os::Linux::min_stack_allowed  = 128 * K;
 743 
 744 // pthread on Ubuntu is always in floating stack mode
 745 bool os::Linux::supports_variable_stack_size() {  return true; }
 746 
 747 // return default stack size for thr_type
 748 size_t os::Linux::default_stack_size(os::ThreadType thr_type) {
 749   // default stack size (compiler thread needs larger stack)
 750   size_t s = (thr_type == os::compiler_thread ? 4 * M : 1 * M);
 751   return s;
 752 }
 753 
 754 size_t os::Linux::default_guard_size(os::ThreadType thr_type) {
 755   // Creating guard page is very expensive. Java thread has HotSpot
 756   // guard page, only enable glibc guard page for non-Java threads.
 757   return (thr_type == java_thread ? 0 : page_size());
 758 }
 759 
 760 #ifndef PRODUCT
 761 void os::verify_stack_alignment() {
 762 }
 763 #endif