// This file is part of Bun! // You can find the original source: // https://github.com/oven-sh/bun/blob/main/src/bun.js/api/FFI.h#L2 // // clang-format off // This file is only compatible with 64 bit CPUs // It must be kept in sync with JSCJSValue.h // https://github.com/oven-sh/WebKit/blob/72c2052b781cbfd4af867ae79ac9de460e392fba/Source/JavaScriptCore/runtime/JSCJSValue.h#L455-L458 #ifdef IS_CALLBACK #define INJECT_BEFORE int c = 500; // This is a callback, so we need to inject code before the call #endif #define IS_BIG_ENDIAN 0 #define USE_JSVALUE64 1 #define USE_JSVALUE32_64 0 #define ZIG_REPR_TYPE int64_t // /* 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 unsigned long long size_t; typedef long intptr_t; typedef uint64_t uintptr_t; typedef _Bool bool; #define true 1 #define false 0 #ifdef INJECT_BEFORE // #include #endif // #include // 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. #define DoubleEncodeOffsetBit 49 #define DoubleEncodeOffset (1ll << DoubleEncodeOffsetBit) #define OtherTag 0x2 #define BoolTag 0x4 #define UndefinedTag 0x8 #define TagValueFalse (OtherTag | BoolTag | false) #define TagValueTrue (OtherTag | BoolTag | true) #define TagValueUndefined (OtherTag | UndefinedTag) #define TagValueNull (OtherTag) #define NotCellMask NumberTag | OtherTag #define MAX_INT32 2147483648 #define MAX_INT52 9007199254740991 // If all bits in the mask are set, this indicates an integer number, // if any but not all are set this value is a double precision number. #define NumberTag 0xfffe000000000000ll typedef void* JSCell; typedef union EncodedJSValue { int64_t asInt64; #if USE_JSVALUE64 JSCell *ptr; #endif #if IS_BIG_ENDIAN struct { int32_t tag; int32_t payload; } asBits; #else struct { int32_t payload; int32_t tag; } asBits; #endif void* asPtr; double asDouble; ZIG_REPR_TYPE asZigRepr; } EncodedJSValue; EncodedJSValue ValueUndefined = { TagValueUndefined }; EncodedJSValue ValueTrue = { TagValueTrue }; typedef void* JSContext; // Bun_FFI_PointerOffsetToArgumentsList is injected into the build // The value is generated in `make sizegen` // The value is 6. // On ARM64_32, the value is something else but it really doesn't matter for our case // However, I don't want this to subtly break amidst future upgrades to JavaScriptCore #define LOAD_ARGUMENTS_FROM_CALL_FRAME \ int64_t *argsPtr = (int64_t*)((size_t*)callFrame + Bun_FFI_PointerOffsetToArgumentsList) #ifdef IS_CALLBACK void* callback_ctx; ZIG_REPR_TYPE FFI_Callback_call(void* ctx, size_t argCount, ZIG_REPR_TYPE* args); // We wrap static EncodedJSValue _FFI_Callback_call(void* ctx, size_t argCount, ZIG_REPR_TYPE* args) __attribute__((__always_inline__)); static EncodedJSValue _FFI_Callback_call(void* ctx, size_t argCount, ZIG_REPR_TYPE* args) { EncodedJSValue return_value; return_value.asZigRepr = FFI_Callback_call(ctx, argCount, args); return return_value; } #endif static bool JSVALUE_IS_CELL(EncodedJSValue val) __attribute__((__always_inline__)); static bool JSVALUE_IS_INT32(EncodedJSValue val) __attribute__((__always_inline__)); static bool JSVALUE_IS_NUMBER(EncodedJSValue val) __attribute__((__always_inline__)); static uint64_t JSVALUE_TO_UINT64(EncodedJSValue value) __attribute__((__always_inline__)); static int64_t JSVALUE_TO_INT64(EncodedJSValue value) __attribute__((__always_inline__)); uint64_t JSVALUE_TO_UINT64_SLOW(EncodedJSValue value); int64_t JSVALUE_TO_INT64_SLOW(EncodedJSValue value); EncodedJSValue UINT64_TO_JSVALUE_SLOW(void* jsGlobalObject, uint64_t val); EncodedJSValue INT64_TO_JSVALUE_SLOW(void* jsGlobalObject, int64_t val); static EncodedJSValue UINT64_TO_JSVALUE(void* jsGlobalObject, uint64_t val) __attribute__((__always_inline__)); static EncodedJSValue INT64_TO_JSVALUE(void* jsGlobalObject, int64_t val) __attribute__((__always_inline__)); static EncodedJSValue INT32_TO_JSVALUE(int32_t val) __attribute__((__always_inline__)); static EncodedJSValue DOUBLE_TO_JSVALUE(double val) __attribute__((__always_inline__)); static EncodedJSValue FLOAT_TO_JSVALUE(float val) __attribute__((__always_inline__)); static EncodedJSValue BOOLEAN_TO_JSVALUE(bool val) __attribute__((__always_inline__)); static EncodedJSValue PTR_TO_JSVALUE(void* ptr) __attribute__((__always_inline__)); static void* JSVALUE_TO_PTR(EncodedJSValue val) __attribute__((__always_inline__)); static int32_t JSVALUE_TO_INT32(EncodedJSValue val) __attribute__((__always_inline__)); static float JSVALUE_TO_FLOAT(EncodedJSValue val) __attribute__((__always_inline__)); static double JSVALUE_TO_DOUBLE(EncodedJSValue val) __attribute__((__always_inline__)); static bool JSVALUE_TO_BOOL(EncodedJSValue val) __attribute__((__always_inline__)); static bool JSVALUE_IS_CELL(EncodedJSValue val) { return !(val.asInt64 & NotCellMask); } static bool JSVALUE_IS_INT32(EncodedJSValue val) { return (val.asInt64 & NumberTag) == NumberTag; } static bool JSVALUE_IS_NUMBER(EncodedJSValue val) { return val.asInt64 & NumberTag; } // JSValue numbers-as-pointers are represented as a 52-bit integer // Previously, the pointer was stored at the end of the 64-bit value // Now, they're stored at the beginning of the 64-bit value // This behavior change enables the JIT to handle it better // It also is better readability when console.log(myPtr) static void* JSVALUE_TO_PTR(EncodedJSValue val) { if (val.asInt64 == TagValueNull) return 0; val.asInt64 -= DoubleEncodeOffset; size_t ptr = (size_t)val.asDouble; return (void*)ptr; } static EncodedJSValue PTR_TO_JSVALUE(void* ptr) { EncodedJSValue val; if (ptr == 0) { val.asInt64 = TagValueNull; return val; } val.asDouble = (double)(size_t)ptr; val.asInt64 += DoubleEncodeOffset; return val; } static EncodedJSValue DOUBLE_TO_JSVALUE(double val) { EncodedJSValue res; res.asDouble = val; res.asInt64 += DoubleEncodeOffset; return res; } static int32_t JSVALUE_TO_INT32(EncodedJSValue val) { return val.asInt64; } static EncodedJSValue INT32_TO_JSVALUE(int32_t val) { EncodedJSValue res; res.asInt64 = NumberTag | (uint32_t)val; return res; } static EncodedJSValue FLOAT_TO_JSVALUE(float val) { return DOUBLE_TO_JSVALUE((double)val); } static EncodedJSValue BOOLEAN_TO_JSVALUE(bool val) { EncodedJSValue res; res.asInt64 = val ? TagValueTrue : TagValueFalse; return res; } static double JSVALUE_TO_DOUBLE(EncodedJSValue val) { val.asInt64 -= DoubleEncodeOffset; return val.asDouble; } static float JSVALUE_TO_FLOAT(EncodedJSValue val) { return (float)JSVALUE_TO_DOUBLE(val); } static bool JSVALUE_TO_BOOL(EncodedJSValue val) { return val.asInt64 == TagValueTrue; } static uint64_t JSVALUE_TO_UINT64(EncodedJSValue value) { if (JSVALUE_IS_INT32(value)) { return (uint64_t)JSVALUE_TO_INT32(value); } if (JSVALUE_IS_NUMBER(value)) { return (uint64_t)JSVALUE_TO_DOUBLE(value); } return JSVALUE_TO_UINT64_SLOW(value); } static int64_t JSVALUE_TO_INT64(EncodedJSValue value) { if (JSVALUE_IS_INT32(value)) { return (int64_t)JSVALUE_TO_INT32(value); } if (JSVALUE_IS_NUMBER(value)) { return (int64_t)JSVALUE_TO_DOUBLE(value); } return JSVALUE_TO_INT64_SLOW(value); } static EncodedJSValue UINT64_TO_JSVALUE(void* jsGlobalObject, uint64_t val) { if (val < MAX_INT32) { return INT32_TO_JSVALUE((int32_t)val); } if (val < MAX_INT52) { return DOUBLE_TO_JSVALUE((double)val); } return UINT64_TO_JSVALUE_SLOW(jsGlobalObject, val); } static EncodedJSValue INT64_TO_JSVALUE(void* jsGlobalObject, int64_t val) { if (val >= -MAX_INT32 && val <= MAX_INT32) { return INT32_TO_JSVALUE((int32_t)val); } if (val >= -MAX_INT52 && val <= MAX_INT52) { return DOUBLE_TO_JSVALUE((double)val); } return INT64_TO_JSVALUE_SLOW(jsGlobalObject, val); } #ifndef IS_CALLBACK ZIG_REPR_TYPE JSFunctionCall(void* jsGlobalObject, void* callFrame); #endif // --- Generated Code --- ation'>jarred/isolation Unnamed repository; edit this file 'description' to name the repository.
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2022-10-01[napi] Implement `napi_remove_wrap`Gravatar Jarred Sumner 3-0/+32
2022-10-01Add missing type check to `napi_wrap`Gravatar Jarred Sumner 1-3/+21
2022-10-01[bun:test] When there are lots of tests, print the failures at the bottom so ...Gravatar Jarred Sumner 1-6/+20
2022-10-01Fix release mode value semantics bugGravatar Jarred Sumner 1-20/+20
2022-10-01Increase test coverage for request body streamingGravatar Jarred Sumner 9-133/+251
2022-09-30Make setTimeout/setInterval more reliableGravatar Jarred Sumner 3-60/+103
2022-09-30Fix body mixinGravatar Jarred Sumner 2-9/+9
2022-09-30Fix failing tests from backpressureGravatar Jarred Sumner 1-132/+91
2022-09-30Eagerly receive incoming request bodiesGravatar Jarred Sumner 1-77/+71
2022-09-30Fix outdated typeGravatar Jarred Sumner 1-1/+1
2022-09-30Simplify some of thisGravatar Jarred Sumner 1-127/+23
2022-09-30Delete some codeGravatar Jarred Sumner 1-105/+56
2022-09-30Add a couple assertionsGravatar Jarred Sumner 1-1/+5
2022-09-30Fix incorrect first number in byte streamGravatar Jarred Sumner 1-8/+6
2022-09-30Attempt to address .write() bugGravatar Jarred Sumner 1-8/+23
2022-09-30Fix unnecessary "Buffer is detached" errorGravatar Jarred Sumner 1-8/+34
2022-09-30Request->url == string, not ZigString nowGravatar Jarred Sumner 2-21/+38
2022-09-30Improve test coverage for Request body streaming!Gravatar Jarred Sumner 1-59/+288
2022-09-30Fix OOB when multiple headers have the same name lengthGravatar Jarred Sumner 1-18/+24
2022-09-30Add a better wrapper function for promisesGravatar Jarred Sumner 1-3/+28
2022-09-30Use poll_ref in the io tasksGravatar Jarred Sumner 1-11/+12
2022-09-30Support all `ArrayBufferView` in all hashing functions and node fs functionsGravatar Jarred Sumner 1-11/+46
2022-09-30Verbose flagGravatar Jarred Sumner 1-1/+17
2022-09-30Use pollref in FileBlobLoaderGravatar Jarred Sumner 1-1/+1
2022-09-30Fixup Body mixin implementationGravatar Jarred Sumner 1-233/+193
2022-09-30Use PollRef in napiGravatar Jarred Sumner 1-0/+5
2022-09-30more gc in fs testGravatar Jarred Sumner 2-2/+13
2022-09-30Remove extraneous calls to `.ref()`Gravatar Jarred Sumner 17-169/+172
2022-09-30Add hidden `verbose` flag to `fetch` (the third argument)Gravatar Jarred Sumner 1-0/+13
2022-09-30[internal] Use `PollRef` for `fetch()`Gravatar Jarred Sumner 1-1/+6