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8038268: VM Crashes in MetaspaceShared::generate_vtable_methods while creating CDS archive with limiting SharedMiscCodeSize

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Estimate the minimum required size for the misc code region and check if the specified misc code region size meets the minimum size requirement

Reviewed-by: jiangli, dholmes
This commit is contained in:
Calvin Cheung 2014-10-23 10:08:02 -07:00
parent 397e42b775
commit 1aa3da1067
5 changed files with 33 additions and 12 deletions
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15
hotspot/src/share/vm/memory/metaspaceShared.hpp
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@ -57,11 +57,16 @@ class MetaspaceShared : AllStatic {
static bool _archive_loading_failed;
public:
enum {
vtbl_list_size = 17, // number of entries in the shared space vtable list.
num_virtuals = 200 // maximum number of virtual functions
// If virtual functions are added to Metadata,
// this number needs to be increased. Also,
// SharedMiscCodeSize will need to be increased.
vtbl_list_size = 17, // number of entries in the shared space vtable list.
num_virtuals = 200, // maximum number of virtual functions
// If virtual functions are added to Metadata,
// this number needs to be increased. Also,
// SharedMiscCodeSize will need to be increased.
// The following 2 sizes were based on
// MetaspaceShared::generate_vtable_methods()
vtbl_method_size = 16, // conservative size of the mov1 and jmp instructions
// for the x64 platform
vtbl_common_code_size = (1*K) // conservative size of the "common_code" for the x64 platform
};
enum {