nt32/bits: initial commit.

these header files should be kept in sync with their linux x86_64 counterparts,
with three minor exceptions:

1) page size (65536)
2) jmp_buf (8 pointers)
3) TIOCGPTN and TIOCSPTLCK (normal sequence)

signed-off by Z. Gilboa; see copying.midipix (9cd0746c) for additional information.

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/nt32/bits/fenv.h b/arch/nt32/bits/fenv.h
new file mode 100644
index 0000000..4430009
--- /dev/null
+++ b/arch/nt32/bits/fenv.h
@@ -0,0 +1,33 @@
+#define FE_INVALID    1
+#define __FE_DENORM   2
+#define FE_DIVBYZERO  4
+#define FE_OVERFLOW   8
+#define FE_UNDERFLOW  16
+#define FE_INEXACT    32
+
+#define FE_ALL_EXCEPT 63
+
+#define FE_TONEAREST  0
+#define FE_DOWNWARD   0x400
+#define FE_UPWARD     0x800
+#define FE_TOWARDZERO 0xc00
+
+typedef unsigned short fexcept_t;
+
+typedef struct {
+	unsigned short __control_word;
+	unsigned short __unused1;
+	unsigned short __status_word;
+	unsigned short __unused2;
+	unsigned short __tags;
+	unsigned short __unused3;
+	unsigned int __eip;
+	unsigned short __cs_selector;
+	unsigned int __opcode:11;
+	unsigned int __unused4:5;
+	unsigned int __data_offset;
+	unsigned short __data_selector;
+	unsigned short __unused5;
+} fenv_t;
+
+#define FE_DFL_ENV      ((const fenv_t *) -1)