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8139864: Improve handling of stack protection zones

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Reviewed-by: stuefe, coleenp, fparain
This commit is contained in:
Goetz Lindenmaier 2015-12-20 10:37:23 -05:00
parent 8c13cfe16c
commit b5bca5cc1b
43 changed files with 314 additions and 228 deletions
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18
hotspot/src/share/vm/runtime/globals.hpp
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@ -3428,15 +3428,18 @@ public:
\
/* stack parameters */ \
product_pd(intx, StackYellowPages, \
"Number of yellow zone (recoverable overflows) pages") \
"Number of yellow zone (recoverable overflows) pages of size " \
"4KB. If pages are bigger yellow zone is aligned up.") \
range(MIN_STACK_YELLOW_PAGES, (DEFAULT_STACK_YELLOW_PAGES+5)) \
\
product_pd(intx, StackRedPages, \
"Number of red zone (unrecoverable overflows) pages") \
"Number of red zone (unrecoverable overflows) pages of size " \
"4KB. If pages are bigger red zone is aligned up.") \
range(MIN_STACK_RED_PAGES, (DEFAULT_STACK_RED_PAGES+2)) \
\
product_pd(intx, StackReservedPages, \
"Number of reserved zone (reserved to annotated methods) pages") \
"Number of reserved zone (reserved to annotated methods) pages" \
" of size 4KB. If pages are bigger reserved zone is aligned up.") \
range(MIN_STACK_RESERVED_PAGES, (DEFAULT_STACK_RESERVED_PAGES+10))\
\
product(bool, RestrictReservedStack, true, \
@ -3444,13 +3447,14 @@ public:
\
/* greater stack shadow pages can't generate instruction to bang stack */ \
product_pd(intx, StackShadowPages, \
"Number of shadow zone (for overflow checking) pages " \
"this should exceed the depth of the VM and native call stack") \
"Number of shadow zone (for overflow checking) pages of size " \
"4KB. If pages are bigger shadow zone is aligned up. " \
"This should exceed the depth of the VM and native call stack.") \
range(MIN_STACK_SHADOW_PAGES, (DEFAULT_STACK_SHADOW_PAGES+30)) \
\
product_pd(intx, ThreadStackSize, \
"Thread Stack Size (in Kbytes)") \
range(0, max_intx-os::vm_page_size()) \
range(0, (max_intx-os::vm_page_size())/(1 * K)) \
\
product_pd(intx, VMThreadStackSize, \
"Non-Java Thread Stack Size (in Kbytes)") \
@ -3458,7 +3462,7 @@ public:
\
product_pd(intx, CompilerThreadStackSize, \
"Compiler Thread Stack Size (in Kbytes)") \
range(0, max_intx /(1 * K)) \
range(0, max_intx/(1 * K)) \
\
develop_pd(size_t, JVMInvokeMethodSlack, \
"Stack space (bytes) required for JVM_InvokeMethod to complete") \