diff options
Diffstat (limited to 'src/javascript/jsc/api/FFI.h')
| -rw-r--r-- | src/javascript/jsc/api/FFI.h | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/src/javascript/jsc/api/FFI.h b/src/javascript/jsc/api/FFI.h index 44259eb3b..48e4db48d 100644 --- a/src/javascript/jsc/api/FFI.h +++ b/src/javascript/jsc/api/FFI.h @@ -7,38 +7,58 @@ // It must be kept in sync with JSCJSValue.h // https://github.com/Jarred-Sumner/WebKit/blob/72c2052b781cbfd4af867ae79ac9de460e392fba/Source/JavaScriptCore/runtime/JSCJSValue.h#L455-L458 #ifdef IS_CALLBACK -#define INJECT_BEFORE printf("bun_call %p cachedJSContext %p cachedCallbackFunction %p\n", &bun_call, cachedJSContext, cachedCallbackFunction); -#endif - -#ifdef USES_FLOAT -#include <math.h> +// #define INJECT_BEFORE printf("bun_call %p cachedJSContext %p cachedCallbackFunction %p\n", &bun_call, cachedJSContext, cachedCallbackFunction); #endif #define IS_BIG_ENDIAN 0 #define USE_JSVALUE64 1 #define USE_JSVALUE32_64 0 -#include <stdint.h> -#include <stdio.h> +// #include <stdint.h> +#ifdef INJECT_BEFORE +// #include <stdio.h> +#endif // #include <tcclib.h> // // /* 7.18.1.1 Exact-width integer types */ -// typedef unsigned char uint8_t; -// typedef signed char int8_t; -// typedef short int16_t; -// typedef unsigned short uint16_t; -// typedef int int32_t; -// typedef unsigned int uint32_t; -// typedef long long int64_t; -// typedef unsigned long long uint64_t; -// typedef uint64_t size_t; -// typedef long intptr_t; -// typedef uint64_t uintptr_t; +typedef unsigned char uint8_t; +typedef signed char int8_t; +typedef short int16_t; +typedef unsigned short uint16_t; +typedef int int32_t; +typedef unsigned int uint32_t; +typedef long long int64_t; +typedef unsigned long long uint64_t; +typedef uint64_t size_t; +typedef long intptr_t; +typedef uint64_t uintptr_t; typedef _Bool bool; #define true 1 #define false 0 +#ifdef USES_FLOAT +// https://git.musl-libc.org/cgit/musl/tree/src/math/trunc.c +double trunc(double x); +double trunc(double x) +{ + union {double f; uint64_t i;} u = {x}; + int e = (int)(u.i >> 52 & 0x7ff) - 0x3ff + 12; + uint64_t m; + + if (e >= 52 + 12) + return x; + if (e < 12) + e = 1; + m = -1ULL >> e; + if ((u.i & m) == 0) + return x; + x + 0x1p120f; + u.i &= ~m; + return u.f; +} +#endif + // This value is 2^49, used to encode doubles such that the encoded value will // begin with a 15-bit pattern within the range 0x0002..0xFFFC. |