336 extern int LogMinObjAlignmentInBytes;
 337 
 338 // Machine dependent stuff
 339 
 340 #ifdef TARGET_ARCH_x86
 341 # include "globalDefinitions_x86.hpp"
 342 #endif
 343 #ifdef TARGET_ARCH_sparc
 344 # include "globalDefinitions_sparc.hpp"
 345 #endif
 346 #ifdef TARGET_ARCH_zero
 347 # include "globalDefinitions_zero.hpp"
 348 #endif
 349 #ifdef TARGET_ARCH_arm
 350 # include "globalDefinitions_arm.hpp"
 351 #endif
 352 #ifdef TARGET_ARCH_ppc
 353 # include "globalDefinitions_ppc.hpp"
 354 #endif
 355 








 356 
 357 // The byte alignment to be used by Arena::Amalloc.  See bugid 4169348.
 358 // Note: this value must be a power of 2
 359 
 360 #define ARENA_AMALLOC_ALIGNMENT (2*BytesPerWord)
 361 
 362 // Signed variants of alignment helpers.  There are two versions of each, a macro
 363 // for use in places like enum definitions that require compile-time constant
 364 // expressions and a function for all other places so as to get type checking.
 365 
 366 #define align_size_up_(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1))
 367 
 368 inline intptr_t align_size_up(intptr_t size, intptr_t alignment) {
 369   return align_size_up_(size, alignment);
 370 }
 371 
 372 #define align_size_down_(size, alignment) ((size) & ~((alignment) - 1))
 373 
 374 inline intptr_t align_size_down(intptr_t size, intptr_t alignment) {
 375   return align_size_down_(size, alignment);

 336 extern int LogMinObjAlignmentInBytes;
 337 
 338 // Machine dependent stuff
 339 
 340 #ifdef TARGET_ARCH_x86
 341 # include "globalDefinitions_x86.hpp"
 342 #endif
 343 #ifdef TARGET_ARCH_sparc
 344 # include "globalDefinitions_sparc.hpp"
 345 #endif
 346 #ifdef TARGET_ARCH_zero
 347 # include "globalDefinitions_zero.hpp"
 348 #endif
 349 #ifdef TARGET_ARCH_arm
 350 # include "globalDefinitions_arm.hpp"
 351 #endif
 352 #ifdef TARGET_ARCH_ppc
 353 # include "globalDefinitions_ppc.hpp"
 354 #endif
 355 
 356 /*
 357  * If a platform does not support NMT_detail
 358  * the platform specific globalDefinitions (above)
 359  * can set PLATFORM_NMT_DETAIL_SUPPORTED to false
 360  */
 361 #ifndef PLATFORM_NMT_DETAIL_SUPPORTED
 362 #define PLATFORM_NMT_DETAIL_SUPPORTED true
 363 #endif
 364 
 365 // The byte alignment to be used by Arena::Amalloc.  See bugid 4169348.
 366 // Note: this value must be a power of 2
 367 
 368 #define ARENA_AMALLOC_ALIGNMENT (2*BytesPerWord)
 369 
 370 // Signed variants of alignment helpers.  There are two versions of each, a macro
 371 // for use in places like enum definitions that require compile-time constant
 372 // expressions and a function for all other places so as to get type checking.
 373 
 374 #define align_size_up_(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1))
 375 
 376 inline intptr_t align_size_up(intptr_t size, intptr_t alignment) {
 377   return align_size_up_(size, alignment);
 378 }
 379 
 380 #define align_size_down_(size, alignment) ((size) & ~((alignment) - 1))
 381 
 382 inline intptr_t align_size_down(intptr_t size, intptr_t alignment) {
 383   return align_size_down_(size, alignment);