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comparison src/share/vm/utilities/globalDefinitions.hpp @ 513:2328d1d3f8cf

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6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2 Summary: Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2 Reviewed-by: jcoomes, acorn, phh, never
author xlu
date Wed, 24 Dec 2008 19:13:53 -0800
parents a4f9ef0c0375
children dca06e7f503d
comparison
equal deleted inserted replaced
512:db4caa99ef11 513:2328d1d3f8cf
1085 #define UINT64_FORMAT_W(width) "%" #width FORMAT64_MODIFIER "u" 1085 #define UINT64_FORMAT_W(width) "%" #width FORMAT64_MODIFIER "u"
1086 1086
1087 // Format macros that allow the field width to be specified. The width must be 1087 // Format macros that allow the field width to be specified. The width must be
1088 // a string literal (e.g., "8") or a macro that evaluates to one. 1088 // a string literal (e.g., "8") or a macro that evaluates to one.
1089 #ifdef _LP64 1089 #ifdef _LP64
1090 #define UINTX_FORMAT_W(width) UINT64_FORMAT_W(width)
1090 #define SSIZE_FORMAT_W(width) INT64_FORMAT_W(width) 1091 #define SSIZE_FORMAT_W(width) INT64_FORMAT_W(width)
1091 #define SIZE_FORMAT_W(width) UINT64_FORMAT_W(width) 1092 #define SIZE_FORMAT_W(width) UINT64_FORMAT_W(width)
1092 #else 1093 #else
1094 #define UINTX_FORMAT_W(width) UINT32_FORMAT_W(width)
1093 #define SSIZE_FORMAT_W(width) INT32_FORMAT_W(width) 1095 #define SSIZE_FORMAT_W(width) INT32_FORMAT_W(width)
1094 #define SIZE_FORMAT_W(width) UINT32_FORMAT_W(width) 1096 #define SIZE_FORMAT_W(width) UINT32_FORMAT_W(width)
1095 #endif // _LP64 1097 #endif // _LP64
1096 1098
1097 // Format pointers and size_t (or size_t-like integer types) which change size 1099 // Format pointers and size_t (or size_t-like integer types) which change size
1098 // between 32- and 64-bit. 1100 // between 32- and 64-bit. The pointer format theoretically should be "%p",
1101 // however, it has different output on different platforms. On Windows, the data
1102 // will be padded with zeros automatically. On Solaris, we can use "%016p" &
1103 // "%08p" on 64 bit & 32 bit platforms to make the data padded with extra zeros.
1104 // On Linux, "%016p" or "%08p" is not be allowed, at least on the latest GCC
1105 // 4.3.2. So we have to use "%016x" or "%08x" to simulate the printing format.
1106 // GCC 4.3.2, however requires the data to be converted to "intptr_t" when
1107 // using "%x".
1099 #ifdef _LP64 1108 #ifdef _LP64
1100 #define PTR_FORMAT PTR64_FORMAT 1109 #define PTR_FORMAT PTR64_FORMAT
1101 #define UINTX_FORMAT UINT64_FORMAT 1110 #define UINTX_FORMAT UINT64_FORMAT
1102 #define INTX_FORMAT INT64_FORMAT 1111 #define INTX_FORMAT INT64_FORMAT
1103 #define SIZE_FORMAT UINT64_FORMAT 1112 #define SIZE_FORMAT UINT64_FORMAT