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8072070: Improve interpreter stack banging

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Reviewed-by: xliu, coleenp, mdoerr
This commit is contained in:
Aleksey Shipilev 2022-02-11 08:46:55 +00:00
parent 8441d51e71
commit 3a13425bc9
5 changed files with 173 additions and 22 deletions
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6
src/hotspot/share/runtime/os.cpp
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@ -1384,7 +1384,7 @@ char** os::split_path(const char* path, size_t* elements, size_t file_name_lengt
// pages, false otherwise.
bool os::stack_shadow_pages_available(Thread *thread, const methodHandle& method, address sp) {
if (!thread->is_Java_thread()) return false;
// Check if we have StackShadowPages above the yellow zone. This parameter
// Check if we have StackShadowPages above the guard zone. This parameter
// is dependent on the depth of the maximum VM call stack possible from
// the handler for stack overflow. 'instanceof' in the stack overflow
// handler or a println uses at least 8k stack of VM and native code
@ -1392,9 +1392,7 @@ bool os::stack_shadow_pages_available(Thread *thread, const methodHandle& method
const int framesize_in_bytes =
Interpreter::size_top_interpreter_activation(method()) * wordSize;
address limit = JavaThread::cast(thread)->stack_end() +
(StackOverflow::stack_guard_zone_size() + StackOverflow::stack_shadow_zone_size());
address limit = JavaThread::cast(thread)->stack_overflow_state()->shadow_zone_safe_limit();
return sp > (limit + framesize_in_bytes);
}