410 // Klass encoding metaspace max size
411 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes;
412
413 // Machine dependent stuff
414
415 #if defined(X86) && defined(COMPILER2) && !defined(JAVASE_EMBEDDED)
416 // Include Restricted Transactional Memory lock eliding optimization
417 #define INCLUDE_RTM_OPT 1
418 #define RTM_OPT_ONLY(code) code
419 #else
420 #define INCLUDE_RTM_OPT 0
421 #define RTM_OPT_ONLY(code)
422 #endif
423 // States of Restricted Transactional Memory usage.
424 enum RTMState {
425 NoRTM = 0x2, // Don't use RTM
426 UseRTM = 0x1, // Use RTM
427 ProfileRTM = 0x0 // Use RTM with abort ratio calculation
428 };
429
430 #ifdef TARGET_ARCH_x86
431 # include "globalDefinitions_x86.hpp"
432 #endif
433 #ifdef TARGET_ARCH_sparc
434 # include "globalDefinitions_sparc.hpp"
435 #endif
436 #ifdef TARGET_ARCH_zero
437 # include "globalDefinitions_zero.hpp"
438 #endif
439 #ifdef TARGET_ARCH_arm
440 # include "globalDefinitions_arm.hpp"
441 #endif
442 #ifdef TARGET_ARCH_ppc
443 # include "globalDefinitions_ppc.hpp"
444 #endif
445
446 /*
447 * If a platform does not support native stack walking
448 * the platform specific globalDefinitions (above)
449 * can set PLATFORM_NATIVE_STACK_WALKING_SUPPORTED to 0
450 */
451 #ifndef PLATFORM_NATIVE_STACK_WALKING_SUPPORTED
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410 // Klass encoding metaspace max size
411 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes;
412
413 // Machine dependent stuff
414
415 #if defined(X86) && defined(COMPILER2) && !defined(JAVASE_EMBEDDED)
416 // Include Restricted Transactional Memory lock eliding optimization
417 #define INCLUDE_RTM_OPT 1
418 #define RTM_OPT_ONLY(code) code
419 #else
420 #define INCLUDE_RTM_OPT 0
421 #define RTM_OPT_ONLY(code)
422 #endif
423 // States of Restricted Transactional Memory usage.
424 enum RTMState {
425 NoRTM = 0x2, // Don't use RTM
426 UseRTM = 0x1, // Use RTM
427 ProfileRTM = 0x0 // Use RTM with abort ratio calculation
428 };
429
430 // The maximum size of the code cache. Can be overridden by targets.
431 #define CODE_CACHE_SIZE_LIMIT (2*G)
432 // Allow targets to reduce the default size of the code cache.
433 #define CODE_CACHE_DEFAULT_LIMIT CODE_CACHE_SIZE_LIMIT
434
435 #ifdef TARGET_ARCH_x86
436 # include "globalDefinitions_x86.hpp"
437 #endif
438 #ifdef TARGET_ARCH_aarch64
439 # include "globalDefinitions_aarch64.hpp"
440 #endif
441 #ifdef TARGET_ARCH_sparc
442 # include "globalDefinitions_sparc.hpp"
443 #endif
444 #ifdef TARGET_ARCH_zero
445 # include "globalDefinitions_zero.hpp"
446 #endif
447 #ifdef TARGET_ARCH_arm
448 # include "globalDefinitions_arm.hpp"
449 #endif
450 #ifdef TARGET_ARCH_ppc
451 # include "globalDefinitions_ppc.hpp"
452 #endif
453
454 /*
455 * If a platform does not support native stack walking
456 * the platform specific globalDefinitions (above)
457 * can set PLATFORM_NATIVE_STACK_WALKING_SUPPORTED to 0
458 */
459 #ifndef PLATFORM_NATIVE_STACK_WALKING_SUPPORTED
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