mirrors/bun.sh
1
0
Fork 0
mirror of https://github.com/oven-sh/bun synced 2026-02-10 19:08:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Handle missing x64 symbols

Browse Source
This commit is contained in:
Jarred Sumner
2022-05-03 21:30:29 -07:00
parent 5bfd241167
commit fa562fa56d
2 changed files with 40 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/javascript/jsc/api/FFI.h
View File

@@ -9,7 +9,6 @@
#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
@@ -38,7 +37,38 @@ typedef _Bool bool;
#endif
// #include <tcclib.h>
// x64
#ifdef NEEDS_COMPILER_RT_FUNCTIONS
double __floatundidf(unsigned long a);
double __floatundidf(unsigned long a)
{
static const double twop52 = 0x1.0p52;
static const double twop84 = 0x1.0p84;
static const double twop84_plus_twop52 = 0x1.00000001p84;
union { uint64_t x; double d; } high = { .d = twop84 };
union { uint64_t x; double d; } low = { .d = twop52 };
high.x |= a >> 32;
low.x |= a & 0x00000000ffffffff;
const double result = (high.d - twop84_plus_twop52) + low.d;
return result;
}
uint64_t __fixunsdfdi(double a);
uint64_t __fixunsdfdi(double a)
{
if (a <= 0.0) return 0;
unsigned high = a/0x1p32f;
unsigned low = a - (double)high*0x1p32f;
return ((unsigned long long)high << 32) | low;
}
#endif NEEDS_COMPILER_RT_FUNCTIONS
// 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.

14
src/javascript/jsc/api/ffi.zig
View File

@@ -101,7 +101,7 @@ pub const FFI = struct {
}
const allocator = VirtualMachine.vm.allocator;
var function: Function = undefined;
var function: Function = .{};
var func = &function;
if (generateSymbolForFunction(globalThis, allocator, interface, func) catch ZigString.init("Out of memory").toErrorInstance(globalThis)) |val| {
@@ -159,7 +159,7 @@ pub const FFI = struct {
return JSC.toInvalidArguments("Expected an object", .{}, global.ref());
}
var function: Function = undefined;
var function: Function = .{};
if (generateSymbolForFunction(global, allocator, object, &function) catch ZigString.init("Out of memory").toErrorInstance(global)) |val| {
return val;
}
@@ -464,7 +464,7 @@ pub const FFI = struct {
return JSC.toTypeError(JSC.Node.ErrorCode.ERR_INVALID_ARG_VALUE, "Expected an object for key \"{s}\"", .{prop}, global.ref());
}
var function: Function = undefined;
var function: Function = .{};
if (try generateSymbolForFunction(global, allocator, value, &function)) |val| {
return val;
}
@@ -481,7 +481,7 @@ pub const FFI = struct {
base_name: ?[:0]const u8 = null,
state: ?*TCC.TCCState = null,
return_type: ABIType,
return_type: ABIType = ABIType.@"void",
arg_types: std.ArrayListUnmanaged(ABIType) = .{},
step: Step = Step{ .pending = {} },
@@ -494,7 +494,7 @@ pub const FFI = struct {
}
}
val.arg_types.deinit(allocator);
val.arg_types.clearAndFree(allocator);
if (val.state) |state| {
TCC.tcc_delete(state);
@@ -706,6 +706,10 @@ pub const FFI = struct {
_ = TCC.tcc_add_symbol(state, "memset", &memset);
_ = TCC.tcc_add_symbol(state, "memcpy", &memcpy);
if (comptime Environment.isX64) {
_ = TCC.tcc_define_symbol(state, "NEEDS_COMPILER_RT_FUNCTIONS", "1");
}
_ = TCC.tcc_add_symbol(
state,
"JSVALUE_TO_INT64_SLOW",