29 lines
1.2 KiB
Diff
29 lines
1.2 KiB
Diff
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--- a/src/hotspot/cpu/zero/stack_zero.hpp
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+++ b/src/hotspot/cpu/zero/stack_zero.hpp
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@@ -97,7 +97,7 @@ class ZeroStack {
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int shadow_pages_size() const {
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return _shadow_pages_size;
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}
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- int abi_stack_available(Thread *thread) const;
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+ ssize_t abi_stack_available(Thread *thread) const;
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public:
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void overflow_check(int required_words, TRAPS);
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--- a/src/hotspot/cpu/zero/stack_zero.inline.hpp
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+++ b/src/hotspot/cpu/zero/stack_zero.inline.hpp
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@@ -46,11 +46,11 @@ inline void ZeroStack::overflow_check(int required_words, TRAPS) {
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// This method returns the amount of ABI stack available for us
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// to use under normal circumstances. Note that the returned
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// value can be negative.
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-inline int ZeroStack::abi_stack_available(Thread *thread) const {
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+inline ssize_t ZeroStack::abi_stack_available(Thread *thread) const {
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assert(Thread::current() == thread, "should run in the same thread");
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- int stack_used = thread->stack_base() - (address) &stack_used
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+ ssize_t stack_used = thread->stack_base() - (address) &stack_used
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+ (StackOverflow::stack_guard_zone_size() + StackOverflow::stack_shadow_zone_size());
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- int stack_free = thread->stack_size() - stack_used;
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+ ssize_t stack_free = thread->stack_size() - stack_used;
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return stack_free;
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}
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