Mercurial > hg > graal-jvmci-8
comparison src/share/vm/utilities/globalDefinitions.hpp @ 9060:cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
Summary: Add the -Wunused-function flag and remove a number of unused functions.
Reviewed-by: dholmes, coleenp, kvn
| author | mikael |
|---|---|
| date | Thu, 04 Apr 2013 10:01:26 -0700 |
| parents | 203f64878aab |
| children | 7a5aec879506 |
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| 9059:17bf4d428955 | 9060:cc32ccaaf47f |
|---|---|
| 416 // Pad out certain offsets to jlong alignment, in HeapWord units. | 416 // Pad out certain offsets to jlong alignment, in HeapWord units. |
| 417 | 417 |
| 418 inline intptr_t align_object_offset(intptr_t offset) { | 418 inline intptr_t align_object_offset(intptr_t offset) { |
| 419 return align_size_up(offset, HeapWordsPerLong); | 419 return align_size_up(offset, HeapWordsPerLong); |
| 420 } | 420 } |
| 421 | |
| 422 // Clamp an address to be within a specific page | |
| 423 // 1. If addr is on the page it is returned as is | |
| 424 // 2. If addr is above the page_address the start of the *next* page will be returned | |
| 425 // 3. Otherwise, if addr is below the page_address the start of the page will be returned | |
| 426 inline address clamp_address_in_page(address addr, address page_address, intptr_t page_size) { | |
| 427 if (align_size_down(intptr_t(addr), page_size) == align_size_down(intptr_t(page_address), page_size)) { | |
| 428 // address is in the specified page, just return it as is | |
| 429 return addr; | |
| 430 } else if (addr > page_address) { | |
| 431 // address is above specified page, return start of next page | |
| 432 return (address)align_size_down(intptr_t(page_address), page_size) + page_size; | |
| 433 } else { | |
| 434 // address is below specified page, return start of page | |
| 435 return (address)align_size_down(intptr_t(page_address), page_size); | |
| 436 } | |
| 437 } | |
| 438 | |
| 421 | 439 |
| 422 // The expected size in bytes of a cache line, used to pad data structures. | 440 // The expected size in bytes of a cache line, used to pad data structures. |
| 423 #define DEFAULT_CACHE_LINE_SIZE 64 | 441 #define DEFAULT_CACHE_LINE_SIZE 64 |
| 424 | 442 |
| 425 // Bytes needed to pad type to avoid cache-line sharing; alignment should be the | 443 // Bytes needed to pad type to avoid cache-line sharing; alignment should be the |
| 1294 // specific. | 1312 // specific. |
| 1295 static inline void* dereference_vptr(void* addr) { | 1313 static inline void* dereference_vptr(void* addr) { |
| 1296 return *(void**)addr; | 1314 return *(void**)addr; |
| 1297 } | 1315 } |
| 1298 | 1316 |
| 1317 | |
| 1318 #ifndef PRODUCT | |
| 1319 | |
| 1320 // For unit testing only | |
| 1321 class GlobalDefinitions { | |
| 1322 public: | |
| 1323 static void test_globals(); | |
| 1324 }; | |
| 1325 | |
| 1326 #endif // PRODUCT | |
| 1327 | |
| 1299 #endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_HPP | 1328 #endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_HPP |