Meta: Add OpenLibm

src/openlibm/wasm32/assert.h

@@ -0,0 +1 @@
+#define assert(x) ((void)0)

src/openlibm/wasm32/float.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#define FLT_RADIX 2
+
+#define FLT_TRUE_MIN 1.40129846432481707092e-45F
+#define FLT_MIN 1.17549435082228750797e-38F
+#define FLT_MAX 3.40282346638528859812e+38F
+#define FLT_EPSILON 1.1920928955078125e-07F
+
+#define FLT_MANT_DIG 24
+#define FLT_MIN_EXP (-125)
+#define FLT_MAX_EXP 128
+#define FLT_HAS_SUBNORM 1
+
+#define FLT_DIG 6
+#define FLT_DECIMAL_DIG 9
+#define FLT_MIN_10_EXP (-37)
+#define FLT_MAX_10_EXP 38
+
+#define DBL_TRUE_MIN 4.94065645841246544177e-324
+#define DBL_MIN 2.22507385850720138309e-308
+#define DBL_MAX 1.79769313486231570815e+308
+#define DBL_EPSILON 2.22044604925031308085e-16
+
+#define DBL_MANT_DIG 53
+#define DBL_MIN_EXP (-1021)
+#define DBL_MAX_EXP 1024
+#define DBL_HAS_SUBNORM 1
+
+#define DBL_DIG 15
+#define DBL_DECIMAL_DIG 17
+#define DBL_MIN_10_EXP (-307)
+#define DBL_MAX_10_EXP 308

src/openlibm/wasm32/limits.h

@@ -0,0 +1,9 @@
+#include <stdint.h>
+
+#define INT_MIN INT32_MIN
+#define INT_MAX INT32_MAX
+#define LONG_MIN INT32_MIN
+#define LONG_MAX INT32_MAX
+#define LLONG_MIN INT64_MIN
+#define LLONG_MAX INT64_MAX
+

src/openlibm/wasm32/stdint.h

@@ -0,0 +1,43 @@
+#pragma once
+
+typedef unsigned char      uint8_t;
+typedef unsigned short	   uint16_t;
+typedef unsigned int       uint32_t;
+typedef unsigned long long uint64_t;
+
+typedef char               int8_t;
+typedef short	           int16_t;
+typedef int                int32_t;
+typedef long long          int64_t;
+
+typedef unsigned int       uintptr_t;
+typedef int                intptr_t;
+
+_Static_assert(sizeof (uint8_t)  == 1, "invalid size");
+_Static_assert(sizeof (uint16_t) == 2, "invalid size");
+_Static_assert(sizeof (uint32_t) == 4, "invalid size");
+_Static_assert(sizeof (uint64_t) == 8, "invalid size");
+
+_Static_assert(sizeof (int8_t)  == 1, "invalid size");
+_Static_assert(sizeof (int16_t) == 2, "invalid size");
+_Static_assert(sizeof (int32_t) == 4, "invalid size");
+_Static_assert(sizeof (int64_t) == 8, "invalid size");
+
+_Static_assert(sizeof (uintptr_t) == sizeof (intptr_t), "invalid size");
+_Static_assert(sizeof (uintptr_t) == sizeof (void*), "invalid size");
+_Static_assert(sizeof (uintptr_t) == 4, "invalid size");
+
+#define UINT8_MAX  0xFF
+#define UINT16_MAX 0xFFFF
+#define UINT32_MAX 0xFFFFFFFFUL
+#define UINT64_MAX 0xFFFFFFFFFFFFFFFFULL
+
+#define INT8_MAX   0x7F
+#define INT16_MAX  0x7FFF
+#define INT32_MAX  0x7FFFFFFF
+#define INT64_MAX  0x7FFFFFFFFFFFFFFF
+
+#define INT8_MIN   (-0x80)
+#define INT16_MIN  (-0x8000)
+#define INT32_MIN  (-0x80000000L)
+#define INT64_MIN  (-0x8000000000000000LL)