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8054823: Add size_t as a valid VM flag type

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Reviewed-by: kvn, vlivanov, sla
This commit is contained in:
Stefan Karlsson 2014-08-11 14:03:06 +02:00
parent dd95f0a0c2
commit 2880629908
12 changed files with 439 additions and 7 deletions
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22
hotspot/src/share/vm/runtime/globals.hpp
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@ -275,6 +275,10 @@ struct Flag {
uint64_t get_uint64_t() const;
void set_uint64_t(uint64_t value);
bool is_size_t() const;
size_t get_size_t() const;
void set_size_t(size_t value);
bool is_double() const;
double get_double() const;
void set_double(double value);
@ -350,7 +354,6 @@ class UIntFlagSetting {
~UIntFlagSetting() { *flag = val; }
};
class DoubleFlagSetting {
double val;
double* flag;
@ -359,6 +362,14 @@ class DoubleFlagSetting {
~DoubleFlagSetting() { *flag = val; }
};
class SizeTFlagSetting {
size_t val;
size_t* flag;
public:
SizeTFlagSetting(size_t& fl, size_t newValue) { flag = &fl; val = fl; fl = newValue; }
~SizeTFlagSetting() { *flag = val; }
};
class CommandLineFlags {
public:
@ -377,6 +388,11 @@ class CommandLineFlags {
static bool uintxAtPut(const char* name, size_t len, uintx* value, Flag::Flags origin);
static bool uintxAtPut(const char* name, uintx* value, Flag::Flags origin) { return uintxAtPut(name, strlen(name), value, origin); }
static bool size_tAt(const char* name, size_t len, size_t* value);
static bool size_tAt(const char* name, size_t* value) { return size_tAt(name, strlen(name), value); }
static bool size_tAtPut(const char* name, size_t len, size_t* value, Flag::Flags origin);
static bool size_tAtPut(const char* name, size_t* value, Flag::Flags origin) { return size_tAtPut(name, strlen(name), value, origin); }
static bool uint64_tAt(const char* name, size_t len, uint64_t* value);
static bool uint64_tAt(const char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); }
static bool uint64_tAtPut(const char* name, size_t len, uint64_t* value, Flag::Flags origin);
@ -3883,8 +3899,8 @@ class CommandLineFlags {
diagnostic(ccstr, SharedArchiveFile, NULL, \
"Override the default location of the CDS archive file") \
\
experimental(uintx, ArrayAllocatorMallocLimit, \
SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx), \
experimental(size_t, ArrayAllocatorMallocLimit, \
SOLARIS_ONLY(64*K) NOT_SOLARIS((size_t)-1), \
"Allocation less than this value will be allocated " \
"using malloc. Larger allocations will use mmap.") \
\