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matterbridge/vendor/modernc.org/libc/libc.go
Wim 08779c2909
Update dependencies (#2007) 
* Update dependencies
2023-03-09 22:48:00 +01:00

1435 lines
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// Copyright 2020 The Libc Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go.generate echo package libc > ccgo.go
//go:generate go run generate.go
//go:generate go fmt ./...
// Package libc provides run time support for ccgo generated programs and
// implements selected parts of the C standard library.
package libc // import "modernc.org/libc"
//TODO use O_RDONLY etc. from fcntl header
//TODO use t.Alloc/Free where appropriate
import (
"bufio"
crand "crypto/rand"
"fmt"
"math"
mbits "math/bits"
"math/rand"
"os"
"runtime"
"runtime/debug"
"sort"
"strings"
"sync"
"sync/atomic"
gotime "time"
"unsafe"
"github.com/mattn/go-isatty"
"modernc.org/libc/errno"
"modernc.org/libc/stdio"
"modernc.org/libc/sys/types"
"modernc.org/libc/time"
"modernc.org/libc/unistd"
"modernc.org/mathutil"
)
type (
// RawMem64 represents the biggest uint64 array the runtime can handle.
RawMem64 [unsafe.Sizeof(RawMem{}) / unsafe.Sizeof(uint64(0))]uint64
)
var (
allocMu sync.Mutex
environInitialized bool
isWindows bool
)
// Keep these outside of the var block otherwise go generate will miss them.
var Xenviron uintptr
var Xstdin = newFile(nil, unistd.STDIN_FILENO)
var Xstdout = newFile(nil, unistd.STDOUT_FILENO)
var Xstderr = newFile(nil, unistd.STDERR_FILENO)
func setEnviron() {
SetEnviron(nil, os.Environ())
}
func Environ() uintptr {
if !environInitialized {
SetEnviron(nil, os.Environ())
}
return Xenviron
}
func EnvironP() uintptr {
if !environInitialized {
SetEnviron(nil, os.Environ())
}
return uintptr(unsafe.Pointer(&Xenviron))
}
func X___errno_location(t *TLS) uintptr {
return X__errno_location(t)
}
// int * __errno_location(void);
func X__errno_location(t *TLS) uintptr {
return t.errnop
}
func Start(main func(*TLS, int32, uintptr) int32) {
if dmesgs {
wd, err := os.Getwd()
dmesg("%v: %v, wd %v, %v", origin(1), os.Args, wd, err)
defer func() {
if err := recover(); err != nil {
dmesg("%v: CRASH: %v\n%s", origin(1), err, debug.Stack())
}
}()
}
runtime.LockOSThread()
t := &TLS{errnop: uintptr(unsafe.Pointer(&errno0))}
argv := Xcalloc(t, 1, types.Size_t((len(os.Args)+1)*int(uintptrSize)))
if argv == 0 {
panic("OOM")
}
p := argv
for _, v := range os.Args {
s := Xcalloc(t, 1, types.Size_t(len(v)+1))
if s == 0 {
panic("OOM")
}
copy((*RawMem)(unsafe.Pointer(s))[:len(v):len(v)], v)
*(*uintptr)(unsafe.Pointer(p)) = s
p += uintptrSize
}
SetEnviron(t, os.Environ())
audit := false
if memgrind {
if s := os.Getenv("LIBC_MEMGRIND_START"); s != "0" {
MemAuditStart()
audit = true
}
}
t = NewTLS()
rc := main(t, int32(len(os.Args)), argv)
exit(t, rc, audit)
}
func Xexit(t *TLS, status int32) { exit(t, status, false) }
func exit(t *TLS, status int32, audit bool) {
if len(Covered) != 0 {
buf := bufio.NewWriter(os.Stdout)
CoverReport(buf)
buf.Flush()
}
if len(CoveredC) != 0 {
buf := bufio.NewWriter(os.Stdout)
CoverCReport(buf)
buf.Flush()
}
for _, v := range atExit {
v()
}
if audit {
t.Close()
if tlsBalance != 0 {
fmt.Fprintf(os.Stderr, "non zero TLS balance: %d\n", tlsBalance)
status = 1
}
}
X_exit(nil, status)
}
// void _exit(int status);
func X_exit(_ *TLS, status int32) {
if dmesgs {
dmesg("%v: EXIT %v", origin(1), status)
}
os.Exit(int(status))
}
func SetEnviron(t *TLS, env []string) {
if environInitialized {
return
}
environInitialized = true
p := Xcalloc(t, 1, types.Size_t((len(env)+1)*(int(uintptrSize))))
if p == 0 {
panic("OOM")
}
Xenviron = p
for _, v := range env {
s := Xcalloc(t, 1, types.Size_t(len(v)+1))
if s == 0 {
panic("OOM")
}
copy((*(*RawMem)(unsafe.Pointer(s)))[:len(v):len(v)], v)
*(*uintptr)(unsafe.Pointer(p)) = s
p += uintptrSize
}
}
// void setbuf(FILE *stream, char *buf);
func Xsetbuf(t *TLS, stream, buf uintptr) {
//TODO panic(todo(""))
}
// size_t confstr(int name, char *buf, size_t len);
func Xconfstr(t *TLS, name int32, buf uintptr, len types.Size_t) types.Size_t {
panic(todo(""))
}
// int puts(const char *s);
func Xputs(t *TLS, s uintptr) int32 {
n, err := fmt.Printf("%s\n", GoString(s))
if err != nil {
return stdio.EOF
}
return int32(n)
}
var (
randomMu sync.Mutex
randomGen = rand.New(rand.NewSource(42))
)
// long int random(void);
func Xrandom(t *TLS) long {
randomMu.Lock()
r := randomGen.Int63n(math.MaxInt32 + 1)
randomMu.Unlock()
return long(r)
}
func write(b []byte) (int, error) {
// if dmesgs {
// dmesg("%v: %s", origin(1), b)
// }
if _, err := os.Stdout.Write(b); err != nil {
return -1, err
}
return len(b), nil
}
func X__builtin_bzero(t *TLS, s uintptr, n types.Size_t) { Xbzero(t, s, n) }
func X__builtin_abort(t *TLS) { Xabort(t) }
func X__builtin_abs(t *TLS, j int32) int32 { return Xabs(t, j) }
func X__builtin_clz(t *TLS, n uint32) int32 { return int32(mbits.LeadingZeros32(n)) }
func X__builtin_clzl(t *TLS, n ulong) int32 { return int32(mbits.LeadingZeros64(uint64(n))) }
func X__builtin_clzll(t *TLS, n uint64) int32 { return int32(mbits.LeadingZeros64(n)) }
func X__builtin_constant_p_impl() { panic(todo("internal error: should never be called")) }
func X__builtin_copysign(t *TLS, x, y float64) float64 { return Xcopysign(t, x, y) }
func X__builtin_copysignf(t *TLS, x, y float32) float32 { return Xcopysignf(t, x, y) }
func X__builtin_copysignl(t *TLS, x, y float64) float64 { return Xcopysign(t, x, y) }
func X__builtin_exit(t *TLS, status int32) { Xexit(t, status) }
func X__builtin_expect(t *TLS, exp, c long) long { return exp }
func X__builtin_fabs(t *TLS, x float64) float64 { return Xfabs(t, x) }
func X__builtin_fabsf(t *TLS, x float32) float32 { return Xfabsf(t, x) }
func X__builtin_fabsl(t *TLS, x float64) float64 { return Xfabsl(t, x) }
func X__builtin_free(t *TLS, ptr uintptr) { Xfree(t, ptr) }
func X__builtin_getentropy(t *TLS, buf uintptr, n types.Size_t) int32 { return Xgetentropy(t, buf, n) }
func X__builtin_huge_val(t *TLS) float64 { return math.Inf(1) }
func X__builtin_huge_valf(t *TLS) float32 { return float32(math.Inf(1)) }
func X__builtin_inf(t *TLS) float64 { return math.Inf(1) }
func X__builtin_inff(t *TLS) float32 { return float32(math.Inf(1)) }
func X__builtin_infl(t *TLS) float64 { return math.Inf(1) }
func X__builtin_malloc(t *TLS, size types.Size_t) uintptr { return Xmalloc(t, size) }
func X__builtin_memcmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32 { return Xmemcmp(t, s1, s2, n) }
func X__builtin_nan(t *TLS, s uintptr) float64 { return math.NaN() }
func X__builtin_nanf(t *TLS, s uintptr) float32 { return float32(math.NaN()) }
func X__builtin_nanl(t *TLS, s uintptr) float64 { return math.NaN() }
func X__builtin_prefetch(t *TLS, addr, args uintptr) {}
func X__builtin_printf(t *TLS, s, args uintptr) int32 { return Xprintf(t, s, args) }
func X__builtin_strchr(t *TLS, s uintptr, c int32) uintptr { return Xstrchr(t, s, c) }
func X__builtin_strcmp(t *TLS, s1, s2 uintptr) int32 { return Xstrcmp(t, s1, s2) }
func X__builtin_strcpy(t *TLS, dest, src uintptr) uintptr { return Xstrcpy(t, dest, src) }
func X__builtin_strlen(t *TLS, s uintptr) types.Size_t { return Xstrlen(t, s) }
func X__builtin_trap(t *TLS) { Xabort(t) }
func X__isnan(t *TLS, arg float64) int32 { return X__builtin_isnan(t, arg) }
func X__isnanf(t *TLS, arg float32) int32 { return Xisnanf(t, arg) }
func X__isnanl(t *TLS, arg float64) int32 { return Xisnanl(t, arg) }
func Xvfprintf(t *TLS, stream, format, ap uintptr) int32 { return Xfprintf(t, stream, format, ap) }
// int __builtin_popcount (unsigned int x)
func X__builtin_popcount(t *TLS, x uint32) int32 {
return int32(mbits.OnesCount32(x))
}
// int __builtin_popcountl (unsigned long x)
func X__builtin_popcountl(t *TLS, x ulong) int32 {
return int32(mbits.OnesCount64(uint64(x)))
}
// char * __builtin___strcpy_chk (char *dest, const char *src, size_t os);
func X__builtin___strcpy_chk(t *TLS, dest, src uintptr, os types.Size_t) uintptr {
return Xstrcpy(t, dest, src)
}
func X__builtin_mmap(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr {
return Xmmap(t, addr, length, prot, flags, fd, offset)
}
// uint16_t __builtin_bswap16 (uint32_t x)
func X__builtin_bswap16(t *TLS, x uint16) uint16 {
return x<<8 |
x>>8
}
// uint32_t __builtin_bswap32 (uint32_t x)
func X__builtin_bswap32(t *TLS, x uint32) uint32 {
return x<<24 |
x&0xff00<<8 |
x&0xff0000>>8 |
x>>24
}
// uint64_t __builtin_bswap64 (uint64_t x)
func X__builtin_bswap64(t *TLS, x uint64) uint64 {
return x<<56 |
x&0xff00<<40 |
x&0xff0000<<24 |
x&0xff000000<<8 |
x&0xff00000000>>8 |
x&0xff0000000000>>24 |
x&0xff000000000000>>40 |
x>>56
}
// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
func X__builtin_add_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
r, ovf := mathutil.AddOverflowInt64(a, b)
*(*int64)(unsafe.Pointer(res)) = r
return Bool32(ovf)
}
// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
func X__builtin_add_overflowUint32(t *TLS, a, b uint32, res uintptr) int32 {
r := a + b
*(*uint32)(unsafe.Pointer(res)) = r
return Bool32(r < a)
}
// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
func X__builtin_add_overflowUint64(t *TLS, a, b uint64, res uintptr) int32 {
r := a + b
*(*uint64)(unsafe.Pointer(res)) = r
return Bool32(r < a)
}
// bool __builtin_sub_overflow (type1 a, type2 b, type3 *res)
func X__builtin_sub_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
r, ovf := mathutil.SubOverflowInt64(a, b)
*(*int64)(unsafe.Pointer(res)) = r
return Bool32(ovf)
}
// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
func X__builtin_mul_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
r, ovf := mathutil.MulOverflowInt64(a, b)
*(*int64)(unsafe.Pointer(res)) = r
return Bool32(ovf)
}
// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
func X__builtin_mul_overflowUint64(t *TLS, a, b uint64, res uintptr) int32 {
hi, lo := mbits.Mul64(a, b)
*(*uint64)(unsafe.Pointer(res)) = lo
return Bool32(hi != 0)
}
// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
func X__builtin_mul_overflowUint128(t *TLS, a, b Uint128, res uintptr) int32 {
r, ovf := a.mulOvf(b)
*(*Uint128)(unsafe.Pointer(res)) = r
return Bool32(ovf)
}
func X__builtin_unreachable(t *TLS) {
fmt.Fprintf(os.Stderr, "unrechable\n")
os.Stderr.Sync()
Xexit(t, 1)
}
func X__builtin_snprintf(t *TLS, str uintptr, size types.Size_t, format, args uintptr) int32 {
return Xsnprintf(t, str, size, format, args)
}
func X__builtin_sprintf(t *TLS, str, format, args uintptr) (r int32) {
return Xsprintf(t, str, format, args)
}
func X__builtin_memcpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
return Xmemcpy(t, dest, src, n)
}
// void * __builtin___memcpy_chk (void *dest, const void *src, size_t n, size_t os);
func X__builtin___memcpy_chk(t *TLS, dest, src uintptr, n, os types.Size_t) (r uintptr) {
if os != ^types.Size_t(0) && n < os {
Xabort(t)
}
return Xmemcpy(t, dest, src, n)
}
func X__builtin_memset(t *TLS, s uintptr, c int32, n types.Size_t) uintptr {
return Xmemset(t, s, c, n)
}
// void * __builtin___memset_chk (void *s, int c, size_t n, size_t os);
func X__builtin___memset_chk(t *TLS, s uintptr, c int32, n, os types.Size_t) uintptr {
if os < n {
Xabort(t)
}
return Xmemset(t, s, c, n)
}
// size_t __builtin_object_size (const void * ptr, int type)
func X__builtin_object_size(t *TLS, p uintptr, typ int32) types.Size_t {
return ^types.Size_t(0) //TODO frontend magic
}
var atomicLoadStore16 sync.Mutex
func AtomicLoadNUint16(ptr uintptr, memorder int32) uint16 {
atomicLoadStore16.Lock()
r := *(*uint16)(unsafe.Pointer(ptr))
atomicLoadStore16.Unlock()
return r
}
func AtomicStoreNUint16(ptr uintptr, val uint16, memorder int32) {
atomicLoadStore16.Lock()
*(*uint16)(unsafe.Pointer(ptr)) = val
atomicLoadStore16.Unlock()
}
// int sprintf(char *str, const char *format, ...);
func Xsprintf(t *TLS, str, format, args uintptr) (r int32) {
b := printf(format, args)
r = int32(len(b))
copy((*RawMem)(unsafe.Pointer(str))[:r:r], b)
*(*byte)(unsafe.Pointer(str + uintptr(r))) = 0
return int32(len(b))
}
// int __builtin___sprintf_chk (char *s, int flag, size_t os, const char *fmt, ...);
func X__builtin___sprintf_chk(t *TLS, s uintptr, flag int32, os types.Size_t, format, args uintptr) (r int32) {
return Xsprintf(t, s, format, args)
}
// void qsort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *));
func Xqsort(t *TLS, base uintptr, nmemb, size types.Size_t, compar uintptr) {
sort.Sort(&sorter{
len: int(nmemb),
base: base,
sz: uintptr(size),
f: (*struct {
f func(*TLS, uintptr, uintptr) int32
})(unsafe.Pointer(&struct{ uintptr }{compar})).f,
t: t,
})
}
// void __assert_fail(const char * assertion, const char * file, unsigned int line, const char * function);
func X__assert_fail(t *TLS, assertion, file uintptr, line uint32, function uintptr) {
fmt.Fprintf(os.Stderr, "assertion failure: %s:%d.%s: %s\n", GoString(file), line, GoString(function), GoString(assertion))
if memgrind {
fmt.Fprintf(os.Stderr, "%s\n", debug.Stack())
}
os.Stderr.Sync()
Xexit(t, 1)
}
// int vprintf(const char *format, va_list ap);
func Xvprintf(t *TLS, s, ap uintptr) int32 { return Xprintf(t, s, ap) }
// int vsprintf(char *str, const char *format, va_list ap);
func Xvsprintf(t *TLS, str, format, va uintptr) int32 {
return Xsprintf(t, str, format, va)
}
// int vsnprintf(char *str, size_t size, const char *format, va_list ap);
func Xvsnprintf(t *TLS, str uintptr, size types.Size_t, format, va uintptr) int32 {
return Xsnprintf(t, str, size, format, va)
}
// int obstack_vprintf (struct obstack *obstack, const char *template, va_list ap)
func Xobstack_vprintf(t *TLS, obstack, template, va uintptr) int32 {
panic(todo(""))
}
// extern void _obstack_newchunk(struct obstack *, int);
func X_obstack_newchunk(t *TLS, obstack uintptr, length int32) int32 {
panic(todo(""))
}
// int _obstack_begin (struct obstack *h, _OBSTACK_SIZE_T size, _OBSTACK_SIZE_T alignment, void *(*chunkfun) (size_t), void (*freefun) (void *))
func X_obstack_begin(t *TLS, obstack uintptr, size, alignment int32, chunkfun, freefun uintptr) int32 {
panic(todo(""))
}
// void obstack_free (struct obstack *h, void *obj)
func Xobstack_free(t *TLS, obstack, obj uintptr) {
panic(todo(""))
}
// unsigned int sleep(unsigned int seconds);
func Xsleep(t *TLS, seconds uint32) uint32 {
gotime.Sleep(gotime.Second * gotime.Duration(seconds))
return 0
}
// size_t strcspn(const char *s, const char *reject);
func Xstrcspn(t *TLS, s, reject uintptr) (r types.Size_t) {
bits := newBits(256)
for {
c := *(*byte)(unsafe.Pointer(reject))
if c == 0 {
break
}
reject++
bits.set(int(c))
}
for {
c := *(*byte)(unsafe.Pointer(s))
if c == 0 || bits.has(int(c)) {
return r
}
s++
r++
}
}
// int printf(const char *format, ...);
func Xprintf(t *TLS, format, args uintptr) int32 {
n, _ := write(printf(format, args))
return int32(n)
}
// int snprintf(char *str, size_t size, const char *format, ...);
func Xsnprintf(t *TLS, str uintptr, size types.Size_t, format, args uintptr) (r int32) {
if format == 0 {
return 0
}
b := printf(format, args)
r = int32(len(b))
if size == 0 {
return r
}
if len(b)+1 > int(size) {
b = b[:size-1]
}
n := len(b)
copy((*RawMem)(unsafe.Pointer(str))[:n:n], b)
*(*byte)(unsafe.Pointer(str + uintptr(n))) = 0
return r
}
// int __builtin___snprintf_chk(char * str, size_t maxlen, int flag, size_t os, const char * format, ...);
func X__builtin___snprintf_chk(t *TLS, str uintptr, maxlen types.Size_t, flag int32, os types.Size_t, format, args uintptr) (r int32) {
if os != ^types.Size_t(0) && maxlen > os {
Xabort(t)
}
return Xsnprintf(t, str, maxlen, format, args)
}
// int __builtin___vsnprintf_chk (char *s, size_t maxlen, int flag, size_t os, const char *fmt, va_list ap);
func X__builtin___vsnprintf_chk(t *TLS, str uintptr, maxlen types.Size_t, flag int32, os types.Size_t, format, args uintptr) (r int32) {
if os != ^types.Size_t(0) && maxlen > os {
Xabort(t)
}
return Xsnprintf(t, str, maxlen, format, args)
}
// int abs(int j);
func Xabs(t *TLS, j int32) int32 {
if j >= 0 {
return j
}
return -j
}
func Xllabs(tls *TLS, a int64) int64 {
if a >= int64(0) {
return a
}
return -a
}
func X__builtin_isnan(t *TLS, x float64) int32 { return Bool32(math.IsNaN(x)) }
func X__builtin_llabs(tls *TLS, a int64) int64 { return Xllabs(tls, a) }
func Xacos(t *TLS, x float64) float64 { return math.Acos(x) }
func Xacosh(t *TLS, x float64) float64 { return math.Acosh(x) }
func Xasin(t *TLS, x float64) float64 { return math.Asin(x) }
func Xasinh(t *TLS, x float64) float64 { return math.Asinh(x) }
func Xatan(t *TLS, x float64) float64 { return math.Atan(x) }
func Xatan2(t *TLS, x, y float64) float64 { return math.Atan2(x, y) }
func Xatanh(t *TLS, x float64) float64 { return math.Atanh(x) }
func Xceil(t *TLS, x float64) float64 { return math.Ceil(x) }
func Xceilf(t *TLS, x float32) float32 { return float32(math.Ceil(float64(x))) }
func Xcopysign(t *TLS, x, y float64) float64 { return math.Copysign(x, y) }
func Xcopysignf(t *TLS, x, y float32) float32 { return float32(math.Copysign(float64(x), float64(y))) }
func Xcos(t *TLS, x float64) float64 { return math.Cos(x) }
func Xcosf(t *TLS, x float32) float32 { return float32(math.Cos(float64(x))) }
func Xcosh(t *TLS, x float64) float64 { return math.Cosh(x) }
func Xexp(t *TLS, x float64) float64 { return math.Exp(x) }
func Xfabs(t *TLS, x float64) float64 { return math.Abs(x) }
func Xfabsf(t *TLS, x float32) float32 { return float32(math.Abs(float64(x))) }
func Xfloor(t *TLS, x float64) float64 { return math.Floor(x) }
func Xfmod(t *TLS, x, y float64) float64 { return math.Mod(x, y) }
func Xhypot(t *TLS, x, y float64) float64 { return math.Hypot(x, y) }
func Xisnan(t *TLS, x float64) int32 { return X__builtin_isnan(t, x) }
func Xisnanf(t *TLS, x float32) int32 { return Bool32(math.IsNaN(float64(x))) }
func Xisnanl(t *TLS, x float64) int32 { return Bool32(math.IsNaN(x)) } // ccgo has to handle long double as double as Go does not support long double.
func Xldexp(t *TLS, x float64, exp int32) float64 { return math.Ldexp(x, int(exp)) }
func Xlog(t *TLS, x float64) float64 { return math.Log(x) }
func Xlog10(t *TLS, x float64) float64 { return math.Log10(x) }
func Xlog2(t *TLS, x float64) float64 { return math.Log2(x) }
func Xround(t *TLS, x float64) float64 { return math.Round(x) }
func Xsin(t *TLS, x float64) float64 { return math.Sin(x) }
func Xsinf(t *TLS, x float32) float32 { return float32(math.Sin(float64(x))) }
func Xsinh(t *TLS, x float64) float64 { return math.Sinh(x) }
func Xsqrt(t *TLS, x float64) float64 { return math.Sqrt(x) }
func Xtan(t *TLS, x float64) float64 { return math.Tan(x) }
func Xtanh(t *TLS, x float64) float64 { return math.Tanh(x) }
func Xtrunc(t *TLS, x float64) float64 { return math.Trunc(x) }
var nextRand = uint64(1)
// int rand(void);
func Xrand(t *TLS) int32 {
nextRand = nextRand*1103515245 + 12345
return int32(uint32(nextRand / (math.MaxUint32 + 1) % math.MaxInt32))
}
func Xpow(t *TLS, x, y float64) float64 {
r := math.Pow(x, y)
if x > 0 && r == 1 && y >= -1.0000000000000000715e-18 && y < -1e-30 {
r = 0.9999999999999999
}
return r
}
func Xfrexp(t *TLS, x float64, exp uintptr) float64 {
f, e := math.Frexp(x)
*(*int32)(unsafe.Pointer(exp)) = int32(e)
return f
}
func Xmodf(t *TLS, x float64, iptr uintptr) float64 {
i, f := math.Modf(x)
*(*float64)(unsafe.Pointer(iptr)) = i
return f
}
// char *strncpy(char *dest, const char *src, size_t n)
func Xstrncpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
r = dest
for c := *(*int8)(unsafe.Pointer(src)); c != 0 && n > 0; n-- {
*(*int8)(unsafe.Pointer(dest)) = c
dest++
src++
c = *(*int8)(unsafe.Pointer(src))
}
for ; uintptr(n) > 0; n-- {
*(*int8)(unsafe.Pointer(dest)) = 0
dest++
}
return r
}
// char * __builtin___strncpy_chk (char *dest, const char *src, size_t n, size_t os);
func X__builtin___strncpy_chk(t *TLS, dest, src uintptr, n, os types.Size_t) (r uintptr) {
if n != ^types.Size_t(0) && os < n {
Xabort(t)
}
return Xstrncpy(t, dest, src, n)
}
// int strcmp(const char *s1, const char *s2)
func Xstrcmp(t *TLS, s1, s2 uintptr) int32 {
for {
ch1 := *(*byte)(unsafe.Pointer(s1))
s1++
ch2 := *(*byte)(unsafe.Pointer(s2))
s2++
if ch1 != ch2 || ch1 == 0 || ch2 == 0 {
return int32(ch1) - int32(ch2)
}
}
}
// size_t strlen(const char *s)
func Xstrlen(t *TLS, s uintptr) (r types.Size_t) {
if s == 0 {
return 0
}
for ; *(*int8)(unsafe.Pointer(s)) != 0; s++ {
r++
}
return r
}
// char *strcat(char *dest, const char *src)
func Xstrcat(t *TLS, dest, src uintptr) (r uintptr) {
r = dest
for *(*int8)(unsafe.Pointer(dest)) != 0 {
dest++
}
for {
c := *(*int8)(unsafe.Pointer(src))
src++
*(*int8)(unsafe.Pointer(dest)) = c
dest++
if c == 0 {
return r
}
}
}
// char * __builtin___strcat_chk (char *dest, const char *src, size_t os);
func X__builtin___strcat_chk(t *TLS, dest, src uintptr, os types.Size_t) (r uintptr) {
return Xstrcat(t, dest, src)
}
// int strncmp(const char *s1, const char *s2, size_t n)
func Xstrncmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32 {
var ch1, ch2 byte
for ; n != 0; n-- {
ch1 = *(*byte)(unsafe.Pointer(s1))
s1++
ch2 = *(*byte)(unsafe.Pointer(s2))
s2++
if ch1 != ch2 {
return int32(ch1) - int32(ch2)
}
if ch1 == 0 {
return 0
}
}
return 0
}
// char *strcpy(char *dest, const char *src)
func Xstrcpy(t *TLS, dest, src uintptr) (r uintptr) {
r = dest
// src0 := src
for ; ; dest++ {
c := *(*int8)(unsafe.Pointer(src))
src++
*(*int8)(unsafe.Pointer(dest)) = c
if c == 0 {
return r
}
}
}
// char *strchr(const char *s, int c)
func Xstrchr(t *TLS, s uintptr, c int32) uintptr {
for {
ch2 := *(*byte)(unsafe.Pointer(s))
if ch2 == byte(c) {
return s
}
if ch2 == 0 {
return 0
}
s++
}
}
// char *strrchr(const char *s, int c)
func Xstrrchr(t *TLS, s uintptr, c int32) (r uintptr) {
for {
ch2 := *(*byte)(unsafe.Pointer(s))
if ch2 == 0 {
return r
}
if ch2 == byte(c) {
r = s
}
s++
}
}
// void *memset(void *s, int c, size_t n)
func Xmemset(t *TLS, s uintptr, c int32, n types.Size_t) uintptr {
if n != 0 {
c := byte(c & 0xff)
// This will make sure that on platforms where they are not equally aligned we
// clear out the first few bytes until allignment
bytesBeforeAllignment := s % unsafe.Alignof(uint64(0))
if bytesBeforeAllignment > uintptr(n) {
bytesBeforeAllignment = uintptr(n)
}
b := (*RawMem)(unsafe.Pointer(s))[:bytesBeforeAllignment:bytesBeforeAllignment]
n -= types.Size_t(bytesBeforeAllignment)
for i := range b {
b[i] = c
}
if n >= 8 {
i64 := uint64(c) + uint64(c)<<8 + uint64(c)<<16 + uint64(c)<<24 + uint64(c)<<32 + uint64(c)<<40 + uint64(c)<<48 + uint64(c)<<56
b8 := (*RawMem64)(unsafe.Pointer(s + bytesBeforeAllignment))[: n/8 : n/8]
for i := range b8 {
b8[i] = i64
}
}
if n%8 != 0 {
b = (*RawMem)(unsafe.Pointer(s + bytesBeforeAllignment + uintptr(n-n%8)))[: n%8 : n%8]
for i := range b {
b[i] = c
}
}
}
return s
}
// void *memcpy(void *dest, const void *src, size_t n);
func Xmemcpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
if n != 0 {
copy((*RawMem)(unsafe.Pointer(dest))[:n:n], (*RawMem)(unsafe.Pointer(src))[:n:n])
}
return dest
}
// int memcmp(const void *s1, const void *s2, size_t n);
func Xmemcmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32 {
for ; n != 0; n-- {
c1 := *(*byte)(unsafe.Pointer(s1))
s1++
c2 := *(*byte)(unsafe.Pointer(s2))
s2++
if c1 < c2 {
return -1
}
if c1 > c2 {
return 1
}
}
return 0
}
// void *memchr(const void *s, int c, size_t n);
func Xmemchr(t *TLS, s uintptr, c int32, n types.Size_t) uintptr {
for ; n != 0; n-- {
if *(*byte)(unsafe.Pointer(s)) == byte(c) {
return s
}
s++
}
return 0
}
// void *memmove(void *dest, const void *src, size_t n);
func Xmemmove(t *TLS, dest, src uintptr, n types.Size_t) uintptr {
if n == 0 {
return dest
}
copy((*RawMem)(unsafe.Pointer(uintptr(dest)))[:n:n], (*RawMem)(unsafe.Pointer(uintptr(src)))[:n:n])
return dest
}
// void * __builtin___memmove_chk (void *dest, const void *src, size_t n, size_t os);
func X__builtin___memmove_chk(t *TLS, dest, src uintptr, n, os types.Size_t) uintptr {
if os != ^types.Size_t(0) && os < n {
Xabort(t)
}
return Xmemmove(t, dest, src, n)
}
// char *getenv(const char *name);
func Xgetenv(t *TLS, name uintptr) uintptr {
return getenv(Environ(), GoString(name))
}
func getenv(p uintptr, nm string) uintptr {
for ; ; p += uintptrSize {
q := *(*uintptr)(unsafe.Pointer(p))
if q == 0 {
return 0
}
s := GoString(q)
a := strings.SplitN(s, "=", 2)
if len(a) != 2 {
panic(todo("%q %q %q", nm, s, a))
}
if a[0] == nm {
return q + uintptr(len(nm)) + 1
}
}
}
// char *strstr(const char *haystack, const char *needle);
func Xstrstr(t *TLS, haystack, needle uintptr) uintptr {
hs := GoString(haystack)
nd := GoString(needle)
if i := strings.Index(hs, nd); i >= 0 {
r := haystack + uintptr(i)
return r
}
return 0
}
// int putc(int c, FILE *stream);
func Xputc(t *TLS, c int32, fp uintptr) int32 {
return Xfputc(t, c, fp)
}
// int atoi(const char *nptr);
func Xatoi(t *TLS, nptr uintptr) int32 {
_, neg, _, n, _ := strToUint64(t, nptr, 10)
switch {
case neg:
return int32(-n)
default:
return int32(n)
}
}
// double atof(const char *nptr);
func Xatof(t *TLS, nptr uintptr) float64 {
n, _ := strToFloatt64(t, nptr, 64)
// if dmesgs {
// dmesg("%v: %q: %v", origin(1), GoString(nptr), n)
// }
return n
}
// int tolower(int c);
func Xtolower(t *TLS, c int32) int32 {
if c >= 'A' && c <= 'Z' {
return c + ('a' - 'A')
}
return c
}
// int toupper(int c);
func Xtoupper(t *TLS, c int32) int32 {
if c >= 'a' && c <= 'z' {
return c - ('a' - 'A')
}
return c
}
// int isatty(int fd);
func Xisatty(t *TLS, fd int32) int32 {
return Bool32(isatty.IsTerminal(uintptr(fd)))
}
// long atol(const char *nptr);
func Xatol(t *TLS, nptr uintptr) long {
_, neg, _, n, _ := strToUint64(t, nptr, 10)
switch {
case neg:
return long(-n)
default:
return long(n)
}
}
// time_t mktime(struct tm *tm);
func Xmktime(t *TLS, ptm uintptr) time.Time_t {
loc := gotime.Local
if r := getenv(Environ(), "TZ"); r != 0 {
zone, off := parseZone(GoString(r))
loc = gotime.FixedZone(zone, off)
}
tt := gotime.Date(
int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_year+1900),
gotime.Month((*time.Tm)(unsafe.Pointer(ptm)).Ftm_mon+1),
int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_mday),
int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_hour),
int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_min),
int((*time.Tm)(unsafe.Pointer(ptm)).Ftm_sec),
0,
loc,
)
(*time.Tm)(unsafe.Pointer(ptm)).Ftm_wday = int32(tt.Weekday())
(*time.Tm)(unsafe.Pointer(ptm)).Ftm_yday = int32(tt.YearDay() - 1)
return time.Time_t(tt.Unix())
}
// char *strpbrk(const char *s, const char *accept);
func Xstrpbrk(t *TLS, s, accept uintptr) uintptr {
bits := newBits(256)
for {
b := *(*byte)(unsafe.Pointer(accept))
if b == 0 {
break
}
bits.set(int(b))
accept++
}
for {
b := *(*byte)(unsafe.Pointer(s))
if b == 0 {
return 0
}
if bits.has(int(b)) {
return s
}
s++
}
}
// int strcasecmp(const char *s1, const char *s2);
func Xstrcasecmp(t *TLS, s1, s2 uintptr) int32 {
for {
ch1 := *(*byte)(unsafe.Pointer(s1))
if ch1 >= 'a' && ch1 <= 'z' {
ch1 = ch1 - ('a' - 'A')
}
s1++
ch2 := *(*byte)(unsafe.Pointer(s2))
if ch2 >= 'a' && ch2 <= 'z' {
ch2 = ch2 - ('a' - 'A')
}
s2++
if ch1 != ch2 || ch1 == 0 || ch2 == 0 {
r := int32(ch1) - int32(ch2)
return r
}
}
}
func Xntohs(t *TLS, netshort uint16) uint16 {
return uint16((*[2]byte)(unsafe.Pointer(&netshort))[0])<<8 | uint16((*[2]byte)(unsafe.Pointer(&netshort))[1])
}
// uint16_t htons(uint16_t hostshort);
func Xhtons(t *TLS, hostshort uint16) uint16 {
var a [2]byte
a[0] = byte(hostshort >> 8)
a[1] = byte(hostshort)
return *(*uint16)(unsafe.Pointer(&a))
}
// uint32_t htonl(uint32_t hostlong);
func Xhtonl(t *TLS, hostlong uint32) uint32 {
var a [4]byte
a[0] = byte(hostlong >> 24)
a[1] = byte(hostlong >> 16)
a[2] = byte(hostlong >> 8)
a[3] = byte(hostlong)
return *(*uint32)(unsafe.Pointer(&a))
}
// FILE *fopen(const char *pathname, const char *mode);
func Xfopen(t *TLS, pathname, mode uintptr) uintptr {
return Xfopen64(t, pathname, mode) //TODO 32 bit
}
func Dmesg(s string, args ...interface{}) {
if dmesgs {
dmesg(s, args...)
}
}
// void sqlite3_log(int iErrCode, const char *zFormat, ...);
func X__ccgo_sqlite3_log(t *TLS, iErrCode int32, zFormat uintptr, args uintptr) {
// if dmesgs {
// dmesg("%v: iErrCode: %v, msg: %s\n%s", origin(1), iErrCode, printf(zFormat, args), debug.Stack())
// }
}
// int _IO_putc(int __c, _IO_FILE *__fp);
func X_IO_putc(t *TLS, c int32, fp uintptr) int32 {
return Xputc(t, c, fp)
}
// int atexit(void (*function)(void));
func Xatexit(t *TLS, function uintptr) int32 {
AtExit(func() {
(*struct{ f func(*TLS) })(unsafe.Pointer(&struct{ uintptr }{function})).f(t)
})
return 0
}
// int vasprintf(char **strp, const char *fmt, va_list ap);
func Xvasprintf(t *TLS, strp, fmt, ap uintptr) int32 {
panic(todo(""))
}
func AtomicLoadInt32(addr *int32) (val int32) { return atomic.LoadInt32(addr) }
func AtomicLoadInt64(addr *int64) (val int64) { return atomic.LoadInt64(addr) }
func AtomicLoadUint32(addr *uint32) (val uint32) { return atomic.LoadUint32(addr) }
func AtomicLoadUint64(addr *uint64) (val uint64) { return atomic.LoadUint64(addr) }
func AtomicLoadUintptr(addr *uintptr) (val uintptr) { return atomic.LoadUintptr(addr) }
func AtomicLoadFloat32(addr *float32) (val float32) {
return math.Float32frombits(atomic.LoadUint32((*uint32)(unsafe.Pointer(addr))))
}
func AtomicLoadFloat64(addr *float64) (val float64) {
return math.Float64frombits(atomic.LoadUint64((*uint64)(unsafe.Pointer(addr))))
}
func AtomicLoadPInt32(addr uintptr) (val int32) {
return atomic.LoadInt32((*int32)(unsafe.Pointer(addr)))
}
func AtomicLoadPInt64(addr uintptr) (val int64) {
return atomic.LoadInt64((*int64)(unsafe.Pointer(addr)))
}
func AtomicLoadPUint32(addr uintptr) (val uint32) {
return atomic.LoadUint32((*uint32)(unsafe.Pointer(addr)))
}
func AtomicLoadPUint64(addr uintptr) (val uint64) {
return atomic.LoadUint64((*uint64)(unsafe.Pointer(addr)))
}
func AtomicLoadPUintptr(addr uintptr) (val uintptr) {
return atomic.LoadUintptr((*uintptr)(unsafe.Pointer(addr)))
}
func AtomicLoadPFloat32(addr uintptr) (val float32) {
return math.Float32frombits(atomic.LoadUint32((*uint32)(unsafe.Pointer(addr))))
}
func AtomicLoadPFloat64(addr uintptr) (val float64) {
return math.Float64frombits(atomic.LoadUint64((*uint64)(unsafe.Pointer(addr))))
}
func AtomicStoreInt32(addr *int32, val int32) { atomic.StoreInt32(addr, val) }
func AtomicStoreInt64(addr *int64, val int64) { atomic.StoreInt64(addr, val) }
func AtomicStoreUint32(addr *uint32, val uint32) { atomic.StoreUint32(addr, val) }
func AtomicStoreUint64(addr *uint64, val uint64) { atomic.StoreUint64(addr, val) }
func AtomicStoreUintptr(addr *uintptr, val uintptr) { atomic.StoreUintptr(addr, val) }
func AtomicStoreFloat32(addr *float32, val float32) {
atomic.StoreUint32((*uint32)(unsafe.Pointer(addr)), math.Float32bits(val))
}
func AtomicStoreFloat64(addr *float64, val float64) {
atomic.StoreUint64((*uint64)(unsafe.Pointer(addr)), math.Float64bits(val))
}
func AtomicStorePInt32(addr uintptr, val int32) {
atomic.StoreInt32((*int32)(unsafe.Pointer(addr)), val)
}
func AtomicStorePInt64(addr uintptr, val int64) {
atomic.StoreInt64((*int64)(unsafe.Pointer(addr)), val)
}
func AtomicStorePUint32(addr uintptr, val uint32) {
atomic.StoreUint32((*uint32)(unsafe.Pointer(addr)), val)
}
func AtomicStorePUint64(addr uintptr, val uint64) {
atomic.StoreUint64((*uint64)(unsafe.Pointer(addr)), val)
}
func AtomicStorePUintptr(addr uintptr, val uintptr) {
atomic.StoreUintptr((*uintptr)(unsafe.Pointer(addr)), val)
}
func AtomicStorePFloat32(addr uintptr, val float32) {
atomic.StoreUint32((*uint32)(unsafe.Pointer(addr)), math.Float32bits(val))
}
func AtomicStorePFloat64(addr uintptr, val float64) {
atomic.StoreUint64((*uint64)(unsafe.Pointer(addr)), math.Float64bits(val))
}
func AtomicAddInt32(addr *int32, delta int32) (new int32) { return atomic.AddInt32(addr, delta) }
func AtomicAddInt64(addr *int64, delta int64) (new int64) { return atomic.AddInt64(addr, delta) }
func AtomicAddUint32(addr *uint32, delta uint32) (new uint32) { return atomic.AddUint32(addr, delta) }
func AtomicAddUint64(addr *uint64, delta uint64) (new uint64) { return atomic.AddUint64(addr, delta) }
func AtomicAddUintptr(addr *uintptr, delta uintptr) (new uintptr) {
return atomic.AddUintptr(addr, delta)
}
func AtomicAddFloat32(addr *float32, delta float32) (new float32) {
v := AtomicLoadFloat32(addr) + delta
AtomicStoreFloat32(addr, v)
return v
}
func AtomicAddFloat64(addr *float64, delta float64) (new float64) {
v := AtomicLoadFloat64(addr) + delta
AtomicStoreFloat64(addr, v)
return v
}
// size_t mbstowcs(wchar_t *dest, const char *src, size_t n);
func Xmbstowcs(t *TLS, dest, src uintptr, n types.Size_t) types.Size_t {
panic(todo(""))
}
// int mbtowc(wchar_t *pwc, const char *s, size_t n);
func Xmbtowc(t *TLS, pwc, s uintptr, n types.Size_t) int32 {
panic(todo(""))
}
// size_t __ctype_get_mb_cur_max(void);
func X__ctype_get_mb_cur_max(t *TLS) types.Size_t {
panic(todo(""))
}
// int wctomb(char *s, wchar_t wc);
func Xwctomb(t *TLS, s uintptr, wc wchar_t) int32 {
panic(todo(""))
}
// int mblen(const char *s, size_t n);
func Xmblen(t *TLS, s uintptr, n types.Size_t) int32 {
panic(todo(""))
}
// ssize_t readv(int fd, const struct iovec *iov, int iovcnt);
func Xreadv(t *TLS, fd int32, iov uintptr, iovcnt int32) types.Ssize_t {
panic(todo(""))
}
// int openpty(int *amaster, int *aslave, char *name,
//
// const struct termios *termp,
// const struct winsize *winp);
func Xopenpty(t *TLS, amaster, aslave, name, termp, winp uintptr) int32 {
panic(todo(""))
}
// pid_t setsid(void);
func Xsetsid(t *TLS) types.Pid_t {
panic(todo(""))
}
// int pselect(int nfds, fd_set *readfds, fd_set *writefds,
//
// fd_set *exceptfds, const struct timespec *timeout,
// const sigset_t *sigmask);
func Xpselect(t *TLS, nfds int32, readfds, writefds, exceptfds, timeout, sigmask uintptr) int32 {
panic(todo(""))
}
// int kill(pid_t pid, int sig);
func Xkill(t *TLS, pid types.Pid_t, sig int32) int32 {
panic(todo(""))
}
// int tcsendbreak(int fd, int duration);
func Xtcsendbreak(t *TLS, fd, duration int32) int32 {
panic(todo(""))
}
// int wcwidth(wchar_t c);
func Xwcwidth(t *TLS, c wchar_t) int32 {
panic(todo(""))
}
// int clock_gettime(clockid_t clk_id, struct timespec *tp);
func Xclock_gettime(t *TLS, clk_id int32, tp uintptr) int32 {
panic(todo(""))
}
// AtExit will attempt to run f at process exit. The execution cannot be
// guaranteed, neither its ordering with respect to any other handlers
// registered by AtExit.
func AtExit(f func()) {
atExitMu.Lock()
atExit = append(atExit, f)
atExitMu.Unlock()
}
func X__ccgo_dmesg(t *TLS, fmt uintptr, va uintptr) {
if dmesgs {
dmesg("%s", printf(fmt, va))
}
}
// int getentropy(void *buffer, size_t length);
//
// The getentropy() function writes length bytes of high-quality random data
// to the buffer starting at the location pointed to by buffer. The maximum
// permitted value for the length argument is 256.
func Xgetentropy(t *TLS, buffer uintptr, length size_t) int32 {
const max = 256
switch {
case length == 0:
return 0
case buffer == 0:
t.setErrno(errno.EFAULT)
return -1
case length > max:
t.setErrno(errno.EIO)
return -1
}
if _, err := crand.Read((*RawMem)(unsafe.Pointer(buffer))[:length]); err != nil {
t.setErrno(errno.EIO)
return -1
}
return 0
}
// void * reallocarray(void *ptr, size_t nmemb, size_t size);
func Xreallocarray(t *TLS, ptr uintptr, nmemb, size size_t) uintptr {
hi, lo := mathutil.MulUint128_64(uint64(nmemb), uint64(size))
if hi != 0 || lo > uint64(unsafe.Sizeof(RawMem{})) {
t.setErrno(errno.ENOMEM)
return 0
}
return Xrealloc(t, ptr, size_t(lo))
}
// int setjmp(jmp_buf env);
func Xsetjmp(t *TLS, env uintptr) int32 {
return 0 //TODO
}
// void longjmp(jmp_buf env, int val);
func Xlongjmp(t *TLS, env uintptr, val int32) {
panic(todo(""))
}
// https://linux.die.net/man/3/_setjmp
//
// The _longjmp() and _setjmp() functions shall be equivalent to longjmp() and
// setjmp(), respectively, with the additional restriction that _longjmp() and
// _setjmp() shall not manipulate the signal mask.
// int _setjmp(jmp_buf env);
func X_setjmp(t *TLS, env uintptr) int32 {
return 0 //TODO
}
// void _longjmp(jmp_buf env, int val);
func X_longjmp(t *TLS, env uintptr, val int32) {
panic(todo(""))
}
// unsigned __sync_add_and_fetch_uint32(*unsigned, unsigned)
func X__sync_add_and_fetch_uint32(t *TLS, p uintptr, v uint32) uint32 {
return atomic.AddUint32((*uint32)(unsafe.Pointer(p)), v)
}
// unsigned __sync_sub_and_fetch_uint32(*unsigned, unsigned)
func X__sync_sub_and_fetch_uint32(t *TLS, p uintptr, v uint32) uint32 {
return atomic.AddUint32((*uint32)(unsafe.Pointer(p)), -v)
}
// int sched_yield(void);
func Xsched_yield(t *TLS) {
runtime.Gosched()
}
// int getc(FILE *stream);
func Xgetc(t *TLS, stream uintptr) int32 {
return Xfgetc(t, stream)
}
// char *fgets(char *s, int size, FILE *stream);
func Xfgets(t *TLS, s uintptr, size int32, stream uintptr) uintptr {
var b []byte
out:
for ; size > 0; size-- {
switch c := Xfgetc(t, stream); c {
case '\n':
b = append(b, byte(c))
break out
case stdio.EOF:
break out
default:
b = append(b, byte(c))
}
}
if len(b) == 0 {
return 0
}
b = append(b, 0)
copy((*RawMem)(unsafe.Pointer(s))[:len(b):len(b)], b)
return s
}
// void bzero(void *s, size_t n);
func Xbzero(t *TLS, s uintptr, n types.Size_t) {
b := (*RawMem)(unsafe.Pointer(s))[:n]
for i := range b {
b[i] = 0
}
}
// char *rindex(const char *s, int c);
func Xrindex(t *TLS, s uintptr, c int32) uintptr {
if s == 0 {
return 0
}
var r uintptr
for {
c2 := int32(*(*byte)(unsafe.Pointer(s)))
if c2 == c {
r = s
}
if c2 == 0 {
return r
}
s++
}
}
// int isascii(int c);
func Xisascii(t *TLS, c int32) int32 {
return Bool32(c >= 0 && c <= 0x7f)
}
func X__builtin_isunordered(t *TLS, a, b float64) int32 {
return Bool32(math.IsNaN(a) || math.IsNaN(b))
}
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