Mercurial > hg > truffle

comparison src/share/vm/asm/assembler.cpp @ 13047:be525e91f65b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8026775: nsk/jvmti/RedefineClasses/StressRedefine crashes due to EXCEPTION_ACCESS_VIOLATION Summary: Uncommon trap blob did not bang all the stack shadow pages Reviewed-by: kvn, twisti, iveresov, jrose
author mikael
date Wed, 06 Nov 2013 06:51:24 -0800
parents 746b070f5022
children de6a9e811145
comparison
equal deleted inserted replaced
13046:613e6a6fc328 13047:be525e91f65b
120 } 120 }
121 121
122 void AbstractAssembler::generate_stack_overflow_check( int frame_size_in_bytes) { 122 void AbstractAssembler::generate_stack_overflow_check( int frame_size_in_bytes) {
123 if (UseStackBanging) { 123 if (UseStackBanging) {
124 // Each code entry causes one stack bang n pages down the stack where n 124 // Each code entry causes one stack bang n pages down the stack where n
125 // is configurable by StackBangPages. The setting depends on the maximum 125 // is configurable by StackShadowPages. The setting depends on the maximum
126 // depth of VM call stack or native before going back into java code, 126 // depth of VM call stack or native before going back into java code,
127 // since only java code can raise a stack overflow exception using the 127 // since only java code can raise a stack overflow exception using the
128 // stack banging mechanism. The VM and native code does not detect stack 128 // stack banging mechanism. The VM and native code does not detect stack
129 // overflow. 129 // overflow.
130 // The code in JavaCalls::call() checks that there is at least n pages 130 // The code in JavaCalls::call() checks that there is at least n pages