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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/include/stdarg.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/include/stdarg.h')
-rw-r--r--qemu/roms/ipxe/src/include/stdarg.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/stdarg.h b/qemu/roms/ipxe/src/include/stdarg.h
new file mode 100644
index 000000000..f317238a9
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/stdarg.h
@@ -0,0 +1,38 @@
+#ifndef _STDARG_H
+#define _STDARG_H
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+typedef __builtin_va_list va_list;
+#define va_start( ap, last ) __builtin_va_start ( ap, last )
+#define va_arg( ap, type ) __builtin_va_arg ( ap, type )
+#define va_end( ap ) __builtin_va_end ( ap )
+#define va_copy( dest, src ) __builtin_va_copy ( dest, src )
+
+/**
+ * Count number of arguments to a variadic macro
+ *
+ * This rather neat, non-iterative solution is courtesy of Laurent
+ * Deniau.
+ *
+ */
+#define _VA_ARG_COUNT( _1, _2, _3, _4, _5, _6, _7, _8, \
+ _9, _10, _11, _12, _13, _14, _15, _16, \
+ _17, _18, _19, _20, _21, _22, _23, _24, \
+ _25, _26, _27, _28, _29, _30, _31, _32, \
+ _33, _34, _35, _36, _37, _38, _39, _40, \
+ _41, _42, _43, _44, _45, _46, _47, _48, \
+ _49, _50, _51, _52, _53, _54, _55, _56, \
+ _57, _58, _59, _60, _61, _62, _63, N, ... ) N
+#define VA_ARG_COUNT( ... ) \
+ _VA_ARG_COUNT ( __VA_ARGS__, \
+ 63, 62, 61, 60, 59, 58, 57, 56, \
+ 55, 54, 53, 52, 51, 50, 49, 48, \
+ 47, 46, 45, 44, 43, 42, 41, 40, \
+ 39, 38, 37, 36, 35, 34, 33, 32, \
+ 31, 30, 29, 28, 27, 26, 25, 24, \
+ 23, 22, 21, 20, 19, 18, 17, 16, \
+ 15, 14, 13, 12, 11, 10, 9, 8, \
+ 7, 6, 5, 4, 3, 2, 1, 0 )
+
+#endif /* _STDARG_H */