diff options
Diffstat (limited to 'src/share/vm/utilities/globalDefinitions.hpp')
| -rw-r--r-- | src/share/vm/utilities/globalDefinitions.hpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/share/vm/utilities/globalDefinitions.hpp b/src/share/vm/utilities/globalDefinitions.hpp index f87bfad69..93b2a2b67 100644 --- a/src/share/vm/utilities/globalDefinitions.hpp +++ b/src/share/vm/utilities/globalDefinitions.hpp @@ -1087,15 +1087,24 @@ inline int build_int_from_shorts( jushort low, jushort high ) { // Format macros that allow the field width to be specified. The width must be // a string literal (e.g., "8") or a macro that evaluates to one. #ifdef _LP64 +#define UINTX_FORMAT_W(width) UINT64_FORMAT_W(width) #define SSIZE_FORMAT_W(width) INT64_FORMAT_W(width) #define SIZE_FORMAT_W(width) UINT64_FORMAT_W(width) #else +#define UINTX_FORMAT_W(width) UINT32_FORMAT_W(width) #define SSIZE_FORMAT_W(width) INT32_FORMAT_W(width) #define SIZE_FORMAT_W(width) UINT32_FORMAT_W(width) #endif // _LP64 // Format pointers and size_t (or size_t-like integer types) which change size -// between 32- and 64-bit. +// between 32- and 64-bit. The pointer format theoretically should be "%p", +// however, it has different output on different platforms. On Windows, the data +// will be padded with zeros automatically. On Solaris, we can use "%016p" & +// "%08p" on 64 bit & 32 bit platforms to make the data padded with extra zeros. +// On Linux, "%016p" or "%08p" is not be allowed, at least on the latest GCC +// 4.3.2. So we have to use "%016x" or "%08x" to simulate the printing format. +// GCC 4.3.2, however requires the data to be converted to "intptr_t" when +// using "%x". #ifdef _LP64 #define PTR_FORMAT PTR64_FORMAT #define UINTX_FORMAT UINT64_FORMAT |