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gotosocial/vendor/modernc.org/libc/libc.go
kim b6ff55662e [chore] update dependencies (#4188) 
Update dependencies:
- github.com/gin-gonic/gin v1.10.0 -> v1.10.1
- github.com/gin-contrib/sessions v1.10.3 -> v1.10.4
- github.com/jackc/pgx/v5 v5.7.4 -> v5.7.5
- github.com/minio/minio-go/v7 v7.0.91 -> v7.0.92
- github.com/pquerna/otp v1.4.0 -> v1.5.0
- github.com/tdewolff/minify/v2 v2.23.5 -> v2.23.8
- github.com/yuin/goldmark v1.7.11 -> v1.7.12
- go.opentelemetry.io/otel{,/*} v1.35.0 -> v1.36.0
- modernc.org/sqlite v1.37.0 -> v1.37.1

Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4188
Reviewed-by: Daenney <daenney@noreply.codeberg.org>
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>
2025-05-22 16:27:55 +02:00

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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:build !linux || mips64le
// go.generate echo package libc > ccgo.go
//
//go:generate go fmt -l -s -w ./...
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"
)
const (
ENOENT = errno.ENOENT
)
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
ungetcMu sync.Mutex
ungetc = map[uintptr]byte{}
)
// 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 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
return X__errno_location(t)
}
// int * __errno_location(void);
func X__errno_location(t *TLS) uintptr {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v status=%v, (%v:)", t, status, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v buf=%v, (%v:)", t, buf, origin(2))
}
//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 {
if __ccgo_strace {
trc("t=%v name=%v buf=%v len=%v, (%v:)", t, name, buf, len, origin(2))
}
panic(todo(""))
}
// int puts(const char *s);
func Xputs(t *TLS, s uintptr) int32 {
if __ccgo_strace {
trc("t=%v s=%v, (%v:)", t, s, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v s=%v n=%v, (%v:)", t, s, n, origin(2))
}
Xbzero(t, s, n)
}
func X__builtin_abort(t *TLS) {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
Xabort(t)
}
func X__builtin_abs(t *TLS, j int32) int32 {
if __ccgo_strace {
trc("t=%v j=%v, (%v:)", t, j, origin(2))
}
return Xabs(t, j)
}
func X__builtin_clz(t *TLS, n uint32) int32 {
if __ccgo_strace {
trc("t=%v n=%v, (%v:)", t, n, origin(2))
}
return int32(mbits.LeadingZeros32(n))
}
func X__builtin_clzl(t *TLS, n ulong) int32 {
if __ccgo_strace {
trc("t=%v n=%v, (%v:)", t, n, origin(2))
}
return int32(mbits.LeadingZeros64(uint64(n)))
}
func X__builtin_clzll(t *TLS, n uint64) int32 {
if __ccgo_strace {
trc("t=%v n=%v, (%v:)", t, n, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return Xcopysign(t, x, y)
}
func X__builtin_copysignf(t *TLS, x, y float32) float32 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return Xcopysignf(t, x, y)
}
func X__builtin_copysignl(t *TLS, x, y float64) float64 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return Xcopysign(t, x, y)
}
func X__builtin_exit(t *TLS, status int32) {
if __ccgo_strace {
trc("t=%v status=%v, (%v:)", t, status, origin(2))
}
Xexit(t, status)
}
func X__builtin_expect(t *TLS, exp, c long) long {
if __ccgo_strace {
trc("t=%v c=%v, (%v:)", t, c, origin(2))
}
return exp
}
func X__builtin_fabs(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return Xfabs(t, x)
}
func X__builtin_fabsf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return Xfabsf(t, x)
}
func X__builtin_fabsl(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return Xfabsl(t, x)
}
func X__builtin_free(t *TLS, ptr uintptr) {
if __ccgo_strace {
trc("t=%v ptr=%v, (%v:)", t, ptr, origin(2))
}
Xfree(t, ptr)
}
func X__builtin_getentropy(t *TLS, buf uintptr, n types.Size_t) int32 {
if __ccgo_strace {
trc("t=%v buf=%v n=%v, (%v:)", t, buf, n, origin(2))
}
return Xgetentropy(t, buf, n)
}
func X__builtin_huge_val(t *TLS) float64 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
return math.Inf(1)
}
func X__builtin_huge_valf(t *TLS) float32 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
return float32(math.Inf(1))
}
func X__builtin_inf(t *TLS) float64 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
return math.Inf(1)
}
func X__builtin_inff(t *TLS) float32 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
return float32(math.Inf(1))
}
func X__builtin_infl(t *TLS) float64 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
return math.Inf(1)
}
func X__builtin_malloc(t *TLS, size types.Size_t) uintptr {
if __ccgo_strace {
trc("t=%v size=%v, (%v:)", t, size, origin(2))
}
return Xmalloc(t, size)
}
func X__builtin_memcmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32 {
if __ccgo_strace {
trc("t=%v s2=%v n=%v, (%v:)", t, s2, n, origin(2))
}
return Xmemcmp(t, s1, s2, n)
}
func X__builtin_nan(t *TLS, s uintptr) float64 {
if __ccgo_strace {
trc("t=%v s=%v, (%v:)", t, s, origin(2))
}
return math.NaN()
}
func X__builtin_nanf(t *TLS, s uintptr) float32 {
if __ccgo_strace {
trc("t=%v s=%v, (%v:)", t, s, origin(2))
}
return float32(math.NaN())
}
func X__builtin_nanl(t *TLS, s uintptr) float64 {
if __ccgo_strace {
trc("t=%v s=%v, (%v:)", t, s, origin(2))
}
return math.NaN()
}
func X__builtin_prefetch(t *TLS, addr, args uintptr) {
if __ccgo_strace {
trc("t=%v args=%v, (%v:)", t, args, origin(2))
}
}
func X__builtin_printf(t *TLS, s, args uintptr) int32 {
if __ccgo_strace {
trc("t=%v args=%v, (%v:)", t, args, origin(2))
}
return Xprintf(t, s, args)
}
func X__builtin_strchr(t *TLS, s uintptr, c int32) uintptr {
if __ccgo_strace {
trc("t=%v s=%v c=%v, (%v:)", t, s, c, origin(2))
}
return Xstrchr(t, s, c)
}
func X__builtin_strcmp(t *TLS, s1, s2 uintptr) int32 {
if __ccgo_strace {
trc("t=%v s2=%v, (%v:)", t, s2, origin(2))
}
return Xstrcmp(t, s1, s2)
}
func X__builtin_strcpy(t *TLS, dest, src uintptr) uintptr {
if __ccgo_strace {
trc("t=%v src=%v, (%v:)", t, src, origin(2))
}
return Xstrcpy(t, dest, src)
}
func X__builtin_strlen(t *TLS, s uintptr) types.Size_t {
if __ccgo_strace {
trc("t=%v s=%v, (%v:)", t, s, origin(2))
}
return Xstrlen(t, s)
}
func X__builtin_trap(t *TLS) {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
Xabort(t)
}
func X__isnan(t *TLS, arg float64) int32 {
if __ccgo_strace {
trc("t=%v arg=%v, (%v:)", t, arg, origin(2))
}
return X__builtin_isnan(t, arg)
}
func X__isnanf(t *TLS, arg float32) int32 {
if __ccgo_strace {
trc("t=%v arg=%v, (%v:)", t, arg, origin(2))
}
return Xisnanf(t, arg)
}
func X__isnanl(t *TLS, arg float64) int32 {
if __ccgo_strace {
trc("t=%v arg=%v, (%v:)", t, arg, origin(2))
}
return Xisnanl(t, arg)
}
func Xvfprintf(t *TLS, stream, format, ap uintptr) int32 {
if __ccgo_strace {
trc("t=%v ap=%v, (%v:)", t, ap, origin(2))
}
return Xfprintf(t, stream, format, ap)
}
// int __builtin_popcount (unsigned int x)
func X__builtin_popcount(t *TLS, x uint32) int32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return int32(mbits.OnesCount32(x))
}
// int __builtin_popcountl (unsigned long x)
func X__builtin_popcountl(t *TLS, x ulong) int32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v src=%v os=%v, (%v:)", t, src, os, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v addr=%v length=%v fd=%v offset=%v, (%v:)", t, addr, length, fd, offset, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return x<<8 |
x>>8
}
// uint32_t __builtin_bswap32 (uint32_t x)
func X__builtin_bswap32(t *TLS, x uint32) uint32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v b=%v res=%v, (%v:)", t, b, res, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v b=%v res=%v, (%v:)", t, b, res, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v b=%v res=%v, (%v:)", t, b, res, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v b=%v res=%v, (%v:)", t, b, res, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v b=%v res=%v, (%v:)", t, b, res, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v b=%v res=%v, (%v:)", t, b, res, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v b=%v res=%v, (%v:)", t, b, res, origin(2))
}
r, ovf := a.mulOvf(b)
*(*Uint128)(unsafe.Pointer(res)) = r
return Bool32(ovf)
}
func X__builtin_unreachable(t *TLS) {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v str=%v size=%v args=%v, (%v:)", t, str, size, args, origin(2))
}
return Xsnprintf(t, str, size, format, args)
}
func X__builtin_sprintf(t *TLS, str, format, args uintptr) (r int32) {
if __ccgo_strace {
trc("t=%v args=%v, (%v:)", t, args, origin(2))
defer func() { trc("-> %v", r) }()
}
return Xsprintf(t, str, format, args)
}
func X__builtin_memcpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
if __ccgo_strace {
trc("t=%v src=%v n=%v, (%v:)", t, src, n, origin(2))
defer func() { trc("-> %v", r) }()
}
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 __ccgo_strace {
trc("t=%v src=%v os=%v, (%v:)", t, src, os, origin(2))
defer func() { trc("-> %v", r) }()
}
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 {
if __ccgo_strace {
trc("t=%v s=%v c=%v n=%v, (%v:)", t, s, c, n, origin(2))
}
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 __ccgo_strace {
trc("t=%v s=%v c=%v os=%v, (%v:)", t, s, c, os, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v p=%v typ=%v, (%v:)", t, p, typ, origin(2))
}
switch typ {
case 0, 1:
return ^types.Size_t(0)
default:
return 0
}
}
var atomicLoadStore16 sync.Mutex
func AtomicStoreNUint8(ptr uintptr, val uint8, memorder int32) {
a_store_8(ptr, val)
}
func AtomicStoreNUint16(ptr uintptr, val uint16, memorder int32) {
a_store_16(ptr, val)
}
// int sprintf(char *str, const char *format, ...);
func Xsprintf(t *TLS, str, format, args uintptr) (r int32) {
if __ccgo_strace {
trc("t=%v args=%v, (%v:)", t, args, origin(2))
defer func() { trc("-> %v", r) }()
}
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) {
if __ccgo_strace {
trc("t=%v s=%v flag=%v os=%v args=%v, (%v:)", t, s, flag, os, args, origin(2))
defer func() { trc("-> %v", r) }()
}
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) {
if __ccgo_strace {
trc("t=%v base=%v size=%v compar=%v, (%v:)", t, base, size, compar, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v file=%v line=%v function=%v, (%v:)", t, file, line, function, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v ap=%v, (%v:)", t, ap, origin(2))
}
return Xprintf(t, s, ap)
}
// int vsprintf(char *str, const char *format, va_list ap);
func Xvsprintf(t *TLS, str, format, va uintptr) int32 {
if __ccgo_strace {
trc("t=%v va=%v, (%v:)", t, va, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v str=%v size=%v va=%v, (%v:)", t, str, size, va, origin(2))
}
return Xsnprintf(t, str, size, format, va)
}
func X__builtin_vsnprintf(t *TLS, str uintptr, size types.Size_t, format, va uintptr) int32 {
if __ccgo_strace {
trc("t=%v str=%v size=%v va=%v, (%v:)", t, str, size, va, origin(2))
}
return Xvsnprintf(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 {
if __ccgo_strace {
trc("t=%v va=%v, (%v:)", t, va, origin(2))
}
panic(todo(""))
}
// extern void _obstack_newchunk(struct obstack *, int);
func X_obstack_newchunk(t *TLS, obstack uintptr, length int32) int32 {
if __ccgo_strace {
trc("t=%v obstack=%v length=%v, (%v:)", t, obstack, length, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v obstack=%v alignment=%v freefun=%v, (%v:)", t, obstack, alignment, freefun, origin(2))
}
panic(todo(""))
}
// void obstack_free (struct obstack *h, void *obj)
func Xobstack_free(t *TLS, obstack, obj uintptr) {
if __ccgo_strace {
trc("t=%v obj=%v, (%v:)", t, obj, origin(2))
}
panic(todo(""))
}
// unsigned int sleep(unsigned int seconds);
func Xsleep(t *TLS, seconds uint32) uint32 {
if __ccgo_strace {
trc("t=%v seconds=%v, (%v:)", t, seconds, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v reject=%v, (%v:)", t, reject, origin(2))
defer func() { trc("-> %v", r) }()
}
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 {
if __ccgo_strace {
trc("t=%v args=%v, (%v:)", t, args, origin(2))
}
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 __ccgo_strace {
trc("t=%v str=%v size=%v args=%v, (%v:)", t, str, size, args, origin(2))
defer func() { trc("-> %v", r) }()
}
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 __ccgo_strace {
trc("t=%v str=%v maxlen=%v flag=%v os=%v args=%v, (%v:)", t, str, maxlen, flag, os, args, origin(2))
defer func() { trc("-> %v", r) }()
}
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 __ccgo_strace {
trc("t=%v str=%v maxlen=%v flag=%v os=%v args=%v, (%v:)", t, str, maxlen, flag, os, args, origin(2))
defer func() { trc("-> %v", r) }()
}
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 __ccgo_strace {
trc("t=%v j=%v, (%v:)", t, j, origin(2))
}
if j >= 0 {
return j
}
return -j
}
// long abs(long j);
func Xlabs(t *TLS, j long) long {
if __ccgo_strace {
trc("t=%v j=%v, (%v:)", t, j, origin(2))
}
if j >= 0 {
return j
}
return -j
}
func Xllabs(tls *TLS, a int64) int64 {
if __ccgo_strace {
trc("tls=%v a=%v, (%v:)", tls, a, origin(2))
}
if a >= int64(0) {
return a
}
return -a
}
func X__builtin_isnan(t *TLS, x float64) int32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return Bool32(math.IsNaN(x))
}
func X__builtin_llabs(tls *TLS, a int64) int64 {
if __ccgo_strace {
trc("tls=%v a=%v, (%v:)", tls, a, origin(2))
}
return Xllabs(tls, a)
}
func Xacos(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Acos(x)
}
func Xacosf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Acos(float64(x)))
}
func Xacosh(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Acosh(x)
}
func Xacoshf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Acosh(float64(x)))
}
func Xasin(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Asin(x)
}
func Xasinf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Asin(float64(x)))
}
func Xasinh(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Asinh(x)
}
func Xasinhf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Asinh(float64(x)))
}
func Xatan(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Atan(x)
}
func Xatanf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Atan(float64(x)))
}
func Xatan2(t *TLS, x, y float64) float64 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return math.Atan2(x, y)
}
func Xatan2f(t *TLS, x, y float32) float32 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return float32(math.Atan2(float64(x), float64(y)))
}
func Xatanh(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Atanh(x)
}
func Xatanhf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Atanh(float64(x)))
}
func Xceil(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Ceil(x)
}
func Xceilf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Ceil(float64(x)))
}
func Xcopysign(t *TLS, x, y float64) float64 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return math.Copysign(x, y)
}
func Xcopysignf(t *TLS, x, y float32) float32 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return float32(math.Copysign(float64(x), float64(y)))
}
func Xcos(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Cos(x)
}
func Xcosf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Cos(float64(x)))
}
func Xcosh(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Cosh(x)
}
func Xcoshf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Cosh(float64(x)))
}
func Xexp(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Exp(x)
}
func Xexpf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Exp(float64(x)))
}
func Xfabs(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Abs(x)
}
func Xfabsf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Abs(float64(x)))
}
func Xfloor(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Floor(x)
}
func Xfloorf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Floor(float64(x)))
}
func Xfmod(t *TLS, x, y float64) float64 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return math.Mod(x, y)
}
func Xfmodf(t *TLS, x, y float32) float32 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return float32(math.Mod(float64(x), float64(y)))
}
func X__builtin_hypot(t *TLS, x float64, y float64) (r float64) {
return Xhypot(t, x, y)
}
func Xhypot(t *TLS, x, y float64) float64 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return math.Hypot(x, y)
}
func Xhypotf(t *TLS, x, y float32) float32 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return float32(math.Hypot(float64(x), float64(y)))
}
func Xisnan(t *TLS, x float64) int32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return X__builtin_isnan(t, x)
}
func Xisnanf(t *TLS, x float32) int32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return Bool32(math.IsNaN(float64(x)))
}
func Xisnanl(t *TLS, x float64) int32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v x=%v exp=%v, (%v:)", t, x, exp, origin(2))
}
return math.Ldexp(x, int(exp))
}
func Xlog(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Log(x)
}
func Xlogf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Log(float64(x)))
}
func Xlog10(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Log10(x)
}
func Xlog10f(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Log10(float64(x)))
}
func X__builtin_log2(t *TLS, x float64) float64 {
return Xlog2(t, x)
}
func Xlog2(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Log2(x)
}
func Xlog2f(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Log2(float64(x)))
}
func Xround(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Round(x)
}
func Xroundf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Round(float64(x)))
}
func X__builtin_round(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Round(x)
}
func X__builtin_roundf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Round(float64(x)))
}
func Xsin(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Sin(x)
}
func Xsinf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Sin(float64(x)))
}
func Xsinh(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Sinh(x)
}
func Xsinhf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Sinh(float64(x)))
}
func Xsqrt(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Sqrt(x)
}
func Xsqrtf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Sqrt(float64(x)))
}
func Xtan(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Tan(x)
}
func Xtanf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Tan(float64(x)))
}
func Xtanh(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Tanh(x)
}
func Xtanhf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Tanh(float64(x)))
}
func Xtrunc(t *TLS, x float64) float64 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return math.Trunc(x)
}
func Xtruncf(t *TLS, x float32) float32 {
if __ccgo_strace {
trc("t=%v x=%v, (%v:)", t, x, origin(2))
}
return float32(math.Trunc(float64(x)))
}
var nextRand = uint64(1)
// int rand(void);
func Xrand(t *TLS) int32 {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
nextRand = nextRand*1103515245 + 12345
return int32(uint32(nextRand / (math.MaxUint32 + 1) % math.MaxInt32))
}
func Xpow(t *TLS, x, y float64) float64 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
r := math.Pow(x, y)
if x > 0 && r == 1 && y >= -1.0000000000000000715e-18 && y < -1e-30 {
r = 0.9999999999999999
}
return r
}
func Xpowf(t *TLS, x, y float32) float32 {
if __ccgo_strace {
trc("t=%v y=%v, (%v:)", t, y, origin(2))
}
return float32(math.Pow(float64(x), float64(y)))
}
func Xfrexp(t *TLS, x float64, exp uintptr) float64 {
if __ccgo_strace {
trc("t=%v x=%v exp=%v, (%v:)", t, x, exp, origin(2))
}
f, e := math.Frexp(x)
*(*int32)(unsafe.Pointer(exp)) = int32(e)
return f
}
func Xfrexpf(t *TLS, x float32, exp uintptr) float32 {
if __ccgo_strace {
trc("t=%v x=%v exp=%v, (%v:)", t, x, exp, origin(2))
}
f, e := math.Frexp(float64(x))
*(*int32)(unsafe.Pointer(exp)) = int32(e)
return float32(f)
}
func Xmodf(t *TLS, x float64, iptr uintptr) float64 {
if __ccgo_strace {
trc("t=%v x=%v iptr=%v, (%v:)", t, x, iptr, origin(2))
}
i, f := math.Modf(x)
*(*float64)(unsafe.Pointer(iptr)) = i
return f
}
func Xmodff(t *TLS, x float32, iptr uintptr) float32 {
if __ccgo_strace {
trc("t=%v x=%v iptr=%v, (%v:)", t, x, iptr, origin(2))
}
i, f := math.Modf(float64(x))
*(*float32)(unsafe.Pointer(iptr)) = float32(i)
return float32(f)
}
// char *strncpy(char *dest, const char *src, size_t n)
func Xstrncpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
if __ccgo_strace {
trc("t=%v src=%v n=%v, (%v:)", t, src, n, origin(2))
defer func() { trc("-> %v", r) }()
}
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 __ccgo_strace {
trc("t=%v src=%v os=%v, (%v:)", t, src, os, origin(2))
defer func() { trc("-> %v", r) }()
}
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 {
if __ccgo_strace {
trc("t=%v s2=%v, (%v:)", t, s2, origin(2))
}
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 __ccgo_strace {
trc("t=%v s=%v, (%v:)", t, s, origin(2))
defer func() { trc("-> %v", r) }()
}
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) {
if __ccgo_strace {
trc("t=%v src=%v, (%v:)", t, src, origin(2))
defer func() { trc("-> %v", r) }()
}
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) {
if __ccgo_strace {
trc("t=%v src=%v os=%v, (%v:)", t, src, os, origin(2))
defer func() { trc("-> %v", r) }()
}
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 {
if __ccgo_strace {
trc("t=%v s2=%v n=%v, (%v:)", t, s2, n, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v src=%v, (%v:)", t, src, origin(2))
defer func() { trc("-> %v", r) }()
}
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 {
if __ccgo_strace {
trc("t=%v s=%v c=%v, (%v:)", t, s, c, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v s=%v c=%v, (%v:)", t, s, c, origin(2))
defer func() { trc("-> %v", r) }()
}
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, dest uintptr, c int32, n types.Size_t) uintptr {
if __ccgo_strace {
trc("t=%v s=%v c=%v n=%v, (%v:)", t, dest, c, n, origin(2))
}
var c8 uint8
var c32 uint32
var c64 uint64
var k types.Size_t
var s uintptr
s = dest
/* Fill head and tail with minimal branching. Each
* conditional ensures that all the subsequently used
* offsets are well-defined and in the dest region. */
if n == 0 {
return dest
}
c8 = uint8(c)
*(*uint8)(unsafe.Pointer(s)) = c8
*(*uint8)(unsafe.Pointer(s + uintptr(n-1))) = c8
if n <= types.Size_t(2) {
return dest
}
*(*uint8)(unsafe.Pointer(s + 1)) = c8
*(*uint8)(unsafe.Pointer(s + 2)) = c8
*(*uint8)(unsafe.Pointer(s + uintptr(n-2))) = c8
*(*uint8)(unsafe.Pointer(s + uintptr(n-3))) = c8
if n <= types.Size_t(6) {
return dest
}
*(*uint8)(unsafe.Pointer(s + 3)) = c8
*(*uint8)(unsafe.Pointer(s + uintptr(n-4))) = c8
if n <= types.Size_t(8) {
return dest
}
/* Advance pointer to align it at a 4-byte boundary,
* and truncate n to a multiple of 4. The previous code
* already took care of any head/tail that get cut off
* by the alignment. */
k = -types.Size_t(s) & types.Size_t(3)
s += uintptr(k)
n -= k
n &= types.Size_t(-Int32FromInt32(4))
c32 = uint32(0x01010101) * uint32(c8)
/* In preparation to copy 32 bytes at a time, aligned on
* an 8-byte bounary, fill head/tail up to 28 bytes each.
* As in the initial byte-based head/tail fill, each
* conditional below ensures that the subsequent offsets
* are valid (e.g. !(n<=24) implies n>=28). */
*(*uint32)(unsafe.Pointer(s + uintptr(0))) = c32
*(*uint32)(unsafe.Pointer(s + uintptr(n-4))) = c32
if n <= types.Size_t(8) {
return dest
}
c64 = uint64(c32) | (uint64(c32) << 32)
*(*uint64)(unsafe.Pointer(s + uintptr(4))) = c64
*(*uint64)(unsafe.Pointer(s + uintptr(n-12))) = c64
if n <= types.Size_t(24) {
return dest
}
*(*uint64)(unsafe.Pointer(s + uintptr(12))) = c64
*(*uint64)(unsafe.Pointer(s + uintptr(20))) = c64
*(*uint64)(unsafe.Pointer(s + uintptr(n-28))) = c64
*(*uint64)(unsafe.Pointer(s + uintptr(n-20))) = c64
/* Align to a multiple of 8 so we can fill 64 bits at a time,
* and avoid writing the same bytes twice as much as is
* practical without introducing additional branching. */
k = types.Size_t(24) + types.Size_t(s)&types.Size_t(4)
s += uintptr(k)
n -= k
/* If this loop is reached, 28 tail bytes have already been
* filled, so any remainder when n drops below 32 can be
* safely ignored. */
for {
if !(n >= types.Size_t(32)) {
break
}
*(*uint64)(unsafe.Pointer(s + uintptr(0))) = c64
*(*uint64)(unsafe.Pointer(s + uintptr(8))) = c64
*(*uint64)(unsafe.Pointer(s + uintptr(16))) = c64
*(*uint64)(unsafe.Pointer(s + uintptr(24))) = c64
n -= types.Size_t(32)
s += uintptr(32)
}
return dest
}
// void *memcpy(void *dest, const void *src, size_t n);
func Xmemcpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
if __ccgo_strace {
trc("t=%v src=%v n=%v, (%v:)", t, src, n, origin(2))
defer func() { trc("-> %v", r) }()
}
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 {
if __ccgo_strace {
trc("t=%v s2=%v n=%v, (%v:)", t, s2, n, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v s=%v c=%v n=%v, (%v:)", t, s, c, n, origin(2))
}
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 __ccgo_strace {
trc("t=%v src=%v n=%v, (%v:)", t, src, n, origin(2))
}
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 __ccgo_strace {
trc("t=%v src=%v os=%v, (%v:)", t, src, os, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v name=%v, (%v:)", t, name, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v needle=%v, (%v:)", t, needle, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v c=%v fp=%v, (%v:)", t, c, fp, origin(2))
}
return Xfputc(t, c, fp)
}
// int atoi(const char *nptr);
func Xatoi(t *TLS, nptr uintptr) int32 {
if __ccgo_strace {
trc("t=%v nptr=%v, (%v:)", t, nptr, origin(2))
}
_, 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 {
if __ccgo_strace {
trc("t=%v nptr=%v, (%v:)", t, nptr, origin(2))
}
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 __ccgo_strace {
trc("t=%v c=%v, (%v:)", t, c, origin(2))
}
if c >= 'A' && c <= 'Z' {
return c + ('a' - 'A')
}
return c
}
// int toupper(int c);
func Xtoupper(t *TLS, c int32) int32 {
if __ccgo_strace {
trc("t=%v c=%v, (%v:)", t, c, origin(2))
}
if c >= 'a' && c <= 'z' {
return c - ('a' - 'A')
}
return c
}
// int isatty(int fd);
func Xisatty(t *TLS, fd int32) int32 {
if __ccgo_strace {
trc("t=%v fd=%v, (%v:)", t, fd, origin(2))
}
return Bool32(isatty.IsTerminal(uintptr(fd)))
}
// long atol(const char *nptr);
func Xatol(t *TLS, nptr uintptr) long {
if __ccgo_strace {
trc("t=%v nptr=%v, (%v:)", t, nptr, origin(2))
}
_, neg, _, n, _ := strToUint64(t, nptr, 10)
switch {
case neg:
return long(-n)
default:
return long(n)
}
}
func getLocalLocation() (loc *gotime.Location) {
loc = gotime.Local
if r := getenv(Environ(), "TZ"); r != 0 {
zname := GoString(r)
zone, off := parseZone(zname)
loc = gotime.FixedZone(zone, -off)
loc2, _ := gotime.LoadLocation(zname)
if loc2 != nil {
loc = loc2
}
}
return loc
}
// time_t mktime(struct tm *tm);
func Xmktime(t *TLS, ptm uintptr) (r time.Time_t) {
if __ccgo_strace {
trc("t=%v ptm=%v, (%v:)", t, ptm, origin(2))
}
loc := getLocalLocation()
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)
r = time.Time_t(tt.Unix())
return r
}
// char *strpbrk(const char *s, const char *accept);
func Xstrpbrk(t *TLS, s, accept uintptr) uintptr {
if __ccgo_strace {
trc("t=%v accept=%v, (%v:)", t, accept, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v s2=%v, (%v:)", t, s2, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v netshort=%v, (%v:)", t, netshort, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v hostshort=%v, (%v:)", t, hostshort, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v hostlong=%v, (%v:)", t, hostlong, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v mode=%v, (%v:)", t, mode, origin(2))
}
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 __ccgo_strace {
trc("t=%v iErrCode=%v zFormat=%v args=%v, (%v:)", t, iErrCode, zFormat, args, origin(2))
}
// 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 {
if __ccgo_strace {
trc("t=%v c=%v fp=%v, (%v:)", t, c, fp, origin(2))
}
return Xputc(t, c, fp)
}
// int atexit(void (*function)(void));
func Xatexit(t *TLS, function uintptr) int32 {
if __ccgo_strace {
trc("t=%v function=%v, (%v:)", t, function, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v ap=%v, (%v:)", t, ap, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v src=%v n=%v, (%v:)", t, src, n, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v s=%v n=%v, (%v:)", t, s, n, origin(2))
}
panic(todo(""))
}
// size_t __ctype_get_mb_cur_max(void);
func X__ctype_get_mb_cur_max(t *TLS) types.Size_t {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
panic(todo(""))
}
// int wctomb(char *s, wchar_t wc);
func Xwctomb(t *TLS, s uintptr, wc wchar_t) int32 {
if __ccgo_strace {
trc("t=%v s=%v wc=%v, (%v:)", t, s, wc, origin(2))
}
panic(todo(""))
}
// int mblen(const char *s, size_t n);
func Xmblen(t *TLS, s uintptr, n types.Size_t) int32 {
if __ccgo_strace {
trc("t=%v s=%v n=%v, (%v:)", t, s, n, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v fd=%v iov=%v iovcnt=%v, (%v:)", t, fd, iov, iovcnt, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v winp=%v, (%v:)", t, winp, origin(2))
}
panic(todo(""))
}
// pid_t setsid(void);
func Xsetsid(t *TLS) types.Pid_t {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v nfds=%v sigmask=%v, (%v:)", t, nfds, sigmask, origin(2))
}
panic(todo(""))
}
// int kill(pid_t pid, int sig);
func Xkill(t *TLS, pid types.Pid_t, sig int32) int32 {
if __ccgo_strace {
trc("t=%v pid=%v sig=%v, (%v:)", t, pid, sig, origin(2))
}
panic(todo(""))
}
// int tcsendbreak(int fd, int duration);
func Xtcsendbreak(t *TLS, fd, duration int32) int32 {
if __ccgo_strace {
trc("t=%v duration=%v, (%v:)", t, duration, origin(2))
}
panic(todo(""))
}
// int wcwidth(wchar_t c);
func Xwcwidth(t *TLS, c wchar_t) int32 {
if __ccgo_strace {
trc("t=%v c=%v, (%v:)", t, c, origin(2))
}
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 __ccgo_strace {
trc("t=%v fmt=%v va=%v, (%v:)", t, fmt, va, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v buffer=%v length=%v, (%v:)", t, buffer, length, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v ptr=%v size=%v, (%v:)", t, ptr, size, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v env=%v, (%v:)", t, env, origin(2))
}
return 0 //TODO
}
// void longjmp(jmp_buf env, int val);
func Xlongjmp(t *TLS, env uintptr, val int32) {
if __ccgo_strace {
trc("t=%v env=%v val=%v, (%v:)", t, env, val, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v env=%v, (%v:)", t, env, origin(2))
}
return 0 //TODO
}
// void _longjmp(jmp_buf env, int val);
func X_longjmp(t *TLS, env uintptr, val int32) {
if __ccgo_strace {
trc("t=%v env=%v val=%v, (%v:)", t, env, val, origin(2))
}
panic(todo(""))
}
// unsigned __sync_add_and_fetch_uint32(*unsigned, unsigned)
func X__sync_add_and_fetch_uint32(t *TLS, p uintptr, v uint32) uint32 {
if __ccgo_strace {
trc("t=%v p=%v v=%v, (%v:)", t, p, v, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v p=%v v=%v, (%v:)", t, p, v, origin(2))
}
return atomic.AddUint32((*uint32)(unsafe.Pointer(p)), -v)
}
// int sched_yield(void);
func Xsched_yield(t *TLS) {
if __ccgo_strace {
trc("t=%v, (%v:)", t, origin(2))
}
runtime.Gosched()
}
// int getc(FILE *stream);
func Xgetc(t *TLS, stream uintptr) int32 {
if __ccgo_strace {
trc("t=%v stream=%v, (%v:)", t, stream, origin(2))
}
return Xfgetc(t, stream)
}
// char *fgets(char *s, int size, FILE *stream);
func Xfgets(t *TLS, s uintptr, size int32, stream uintptr) uintptr {
if __ccgo_strace {
trc("t=%v s=%v size=%v stream=%v, (%v:)", t, s, size, stream, origin(2))
}
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) {
if __ccgo_strace {
trc("t=%v s=%v n=%v, (%v:)", t, s, n, origin(2))
}
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 __ccgo_strace {
trc("t=%v s=%v c=%v, (%v:)", t, s, c, origin(2))
}
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 {
if __ccgo_strace {
trc("t=%v c=%v, (%v:)", t, c, origin(2))
}
return Bool32(c >= 0 && c <= 0x7f)
}
func X__builtin_isunordered(t *TLS, a, b float64) int32 {
if __ccgo_strace {
trc("t=%v b=%v, (%v:)", t, b, origin(2))
}
return Bool32(math.IsNaN(a) || math.IsNaN(b))
}
func AtomicLoadNUint16(ptr uintptr, memorder int32) uint16 {
atomicLoadStore16.Lock()
r := *(*uint16)(unsafe.Pointer(ptr))
atomicLoadStore16.Unlock()
return r
}
func PreIncAtomicInt32P(p uintptr, d int32) int32 {
return atomic.AddInt32((*int32)(unsafe.Pointer(p)), d)
}
func PreIncAtomicInt64P(p uintptr, d int64) int64 {
return atomic.AddInt64((*int64)(unsafe.Pointer(p)), d)
}
func PreIncAtomicUint32P(p uintptr, d uint32) uint32 {
return atomic.AddUint32((*uint32)(unsafe.Pointer(p)), d)
}
func PreIncAtomicUint64P(p uintptr, d uint64) uint64 {
return atomic.AddUint64((*uint64)(unsafe.Pointer(p)), d)
}
func PreInrAtomicUintptrP(p uintptr, d uintptr) uintptr {
return atomic.AddUintptr((*uintptr)(unsafe.Pointer(p)), d)
}
func X__builtin_ffs(tls *TLS, i int32) (r int32) {
if __ccgo_strace {
trc("tls=%v i=%v, (%v:)", tls, i, origin(2))
defer func() { trc("-> %v", r) }()
}
return Xffs(tls, i)
}
func Xffs(tls *TLS, i int32) (r int32) {
if __ccgo_strace {
trc("tls=%v i=%v, (%v:)", tls, i, origin(2))
defer func() { trc("-> %v", r) }()
}
if i == 0 {
return 0
}
return int32(mbits.TrailingZeros32(uint32(i))) + 1
}
var _toint5 = Float32FromInt32(1) / Float32FromFloat32(1.1920928955078125e-07)
func X__builtin_rintf(tls *TLS, x float32) (r float32) {
return Xrintf(tls, x)
}
func Xrintf(tls *TLS, x float32) (r float32) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var e, s int32
var y float32
var v1 float32
var _ /* u at bp+0 */ struct {
Fi [0]uint32
Ff float32
}
_, _, _, _ = e, s, y, v1
*(*struct {
Fi [0]uint32
Ff float32
})(unsafe.Pointer(bp)) = struct {
Fi [0]uint32
Ff float32
}{}
*(*float32)(unsafe.Pointer(bp)) = x
e = int32(*(*uint32)(unsafe.Pointer(bp)) >> int32(23) & uint32(0xff))
s = int32(*(*uint32)(unsafe.Pointer(bp)) >> int32(31))
if e >= Int32FromInt32(0x7f)+Int32FromInt32(23) {
return x
}
if s != 0 {
y = x - _toint5 + _toint5
} else {
y = x + _toint5 - _toint5
}
if y == Float32FromInt32(0) {
if s != 0 {
v1 = -Float32FromFloat32(0)
} else {
v1 = Float32FromFloat32(0)
}
return v1
}
return y
}
func X__builtin_lrintf(tls *TLS, x float32) (r long) {
return Xlrintf(tls, x)
}
func Xlrintf(tls *TLS, x float32) (r long) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r) }()
}
return long(Xrintf(tls, x))
}
func X__builtin_lrint(tls *TLS, x float64) (r long) {
return Xlrint(tls, x)
}
func Xlrint(tls *TLS, x float64) (r long) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r) }()
}
return long(Xrint(tls, x))
}
func X__builtin_trunc(tls *TLS, x float64) (r float64) {
return Xtrunc(tls, x)
}
func X__builtin_fmin(tls *TLS, x float64, y float64) (r float64) {
return Xfmin(tls, x, y)
}
func Xfmin(tls *TLS, x float64, y float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x=%v y=%v, (%v:)", tls, x, y, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var v1, v10, v3, v5, v7 uint64
var v12, v9 float64
var _ /* __u at bp+0 */ struct {
F__i [0]uint64
F__f float64
}
_, _, _, _, _, _, _ = v1, v10, v12, v3, v5, v7, v9
*(*float64)(unsafe.Pointer(bp)) = x
v1 = *(*uint64)(unsafe.Pointer(bp))
goto _2
_2:
if BoolInt32(v1&(-Uint64FromUint64(1)>>Int32FromInt32(1)) > Uint64FromUint64(0x7ff)<<Int32FromInt32(52)) != 0 {
return y
}
*(*float64)(unsafe.Pointer(bp)) = y
v3 = *(*uint64)(unsafe.Pointer(bp))
goto _4
_4:
if BoolInt32(v3&(-Uint64FromUint64(1)>>Int32FromInt32(1)) > Uint64FromUint64(0x7ff)<<Int32FromInt32(52)) != 0 {
return x
}
/* handle signed zeros, see C99 Annex F.9.9.2 */
*(*float64)(unsafe.Pointer(bp)) = x
v5 = *(*uint64)(unsafe.Pointer(bp))
goto _6
_6:
*(*float64)(unsafe.Pointer(bp)) = y
v7 = *(*uint64)(unsafe.Pointer(bp))
goto _8
_8:
if Int32FromUint64(v5>>Int32FromInt32(63)) != Int32FromUint64(v7>>Int32FromInt32(63)) {
*(*float64)(unsafe.Pointer(bp)) = x
v10 = *(*uint64)(unsafe.Pointer(bp))
goto _11
_11:
if Int32FromUint64(v10>>Int32FromInt32(63)) != 0 {
v9 = x
} else {
v9 = y
}
return v9
}
if x < y {
v12 = x
} else {
v12 = y
}
return v12
}
func Xfminf(tls *TLS, x float32, y float32) (r float32) {
if __ccgo_strace {
trc("tls=%v x=%v y=%v, (%v:)", tls, x, y, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var v1, v10, v3, v5, v7 uint32
var v12, v9 float32
var _ /* __u at bp+0 */ struct {
F__i [0]uint32
F__f float32
}
_, _, _, _, _, _, _ = v1, v10, v12, v3, v5, v7, v9
*(*float32)(unsafe.Pointer(bp)) = x
v1 = *(*uint32)(unsafe.Pointer(bp))
goto _2
_2:
if BoolInt32(v1&uint32(0x7fffffff) > uint32(0x7f800000)) != 0 {
return y
}
*(*float32)(unsafe.Pointer(bp)) = y
v3 = *(*uint32)(unsafe.Pointer(bp))
goto _4
_4:
if BoolInt32(v3&uint32(0x7fffffff) > uint32(0x7f800000)) != 0 {
return x
}
/* handle signed zeros, see C99 Annex F.9.9.2 */
*(*float32)(unsafe.Pointer(bp)) = x
v5 = *(*uint32)(unsafe.Pointer(bp))
goto _6
_6:
*(*float32)(unsafe.Pointer(bp)) = y
v7 = *(*uint32)(unsafe.Pointer(bp))
goto _8
_8:
if Int32FromUint32(v5>>Int32FromInt32(31)) != Int32FromUint32(v7>>Int32FromInt32(31)) {
*(*float32)(unsafe.Pointer(bp)) = x
v10 = *(*uint32)(unsafe.Pointer(bp))
goto _11
_11:
if Int32FromUint32(v10>>Int32FromInt32(31)) != 0 {
v9 = x
} else {
v9 = y
}
return v9
}
if x < y {
v12 = x
} else {
v12 = y
}
return v12
}
func Xfminl(tls *TLS, x float64, y float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x=%v y=%v, (%v:)", tls, x, y, origin(2))
defer func() { trc("-> %v", r) }()
}
return Xfmin(tls, x, y)
}
func Xfmax(tls *TLS, x float64, y float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x=%v y=%v, (%v:)", tls, x, y, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var v1, v10, v3, v5, v7 uint64
var v12, v9 float64
var _ /* __u at bp+0 */ struct {
F__i [0]uint64
F__f float64
}
_, _, _, _, _, _, _ = v1, v10, v12, v3, v5, v7, v9
*(*float64)(unsafe.Pointer(bp)) = x
v1 = *(*uint64)(unsafe.Pointer(bp))
goto _2
_2:
if BoolInt32(v1&(-Uint64FromUint64(1)>>Int32FromInt32(1)) > Uint64FromUint64(0x7ff)<<Int32FromInt32(52)) != 0 {
return y
}
*(*float64)(unsafe.Pointer(bp)) = y
v3 = *(*uint64)(unsafe.Pointer(bp))
goto _4
_4:
if BoolInt32(v3&(-Uint64FromUint64(1)>>Int32FromInt32(1)) > Uint64FromUint64(0x7ff)<<Int32FromInt32(52)) != 0 {
return x
}
/* handle signed zeros, see C99 Annex F.9.9.2 */
*(*float64)(unsafe.Pointer(bp)) = x
v5 = *(*uint64)(unsafe.Pointer(bp))
goto _6
_6:
*(*float64)(unsafe.Pointer(bp)) = y
v7 = *(*uint64)(unsafe.Pointer(bp))
goto _8
_8:
if Int32FromUint64(v5>>Int32FromInt32(63)) != Int32FromUint64(v7>>Int32FromInt32(63)) {
*(*float64)(unsafe.Pointer(bp)) = x
v10 = *(*uint64)(unsafe.Pointer(bp))
goto _11
_11:
if Int32FromUint64(v10>>Int32FromInt32(63)) != 0 {
v9 = y
} else {
v9 = x
}
return v9
}
if x < y {
v12 = y
} else {
v12 = x
}
return v12
}
func Xfmaxf(tls *TLS, x float32, y float32) (r float32) {
if __ccgo_strace {
trc("tls=%v x=%v y=%v, (%v:)", tls, x, y, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var v1, v10, v3, v5, v7 uint32
var v12, v9 float32
var _ /* __u at bp+0 */ struct {
F__i [0]uint32
F__f float32
}
_, _, _, _, _, _, _ = v1, v10, v12, v3, v5, v7, v9
*(*float32)(unsafe.Pointer(bp)) = x
v1 = *(*uint32)(unsafe.Pointer(bp))
goto _2
_2:
if BoolInt32(v1&uint32(0x7fffffff) > uint32(0x7f800000)) != 0 {
return y
}
*(*float32)(unsafe.Pointer(bp)) = y
v3 = *(*uint32)(unsafe.Pointer(bp))
goto _4
_4:
if BoolInt32(v3&uint32(0x7fffffff) > uint32(0x7f800000)) != 0 {
return x
}
/* handle signed zeroes, see C99 Annex F.9.9.2 */
*(*float32)(unsafe.Pointer(bp)) = x
v5 = *(*uint32)(unsafe.Pointer(bp))
goto _6
_6:
*(*float32)(unsafe.Pointer(bp)) = y
v7 = *(*uint32)(unsafe.Pointer(bp))
goto _8
_8:
if Int32FromUint32(v5>>Int32FromInt32(31)) != Int32FromUint32(v7>>Int32FromInt32(31)) {
*(*float32)(unsafe.Pointer(bp)) = x
v10 = *(*uint32)(unsafe.Pointer(bp))
goto _11
_11:
if Int32FromUint32(v10>>Int32FromInt32(31)) != 0 {
v9 = y
} else {
v9 = x
}
return v9
}
if x < y {
v12 = y
} else {
v12 = x
}
return v12
}
func Xfmaxl(tls *TLS, x float64, y float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x=%v y=%v, (%v:)", tls, x, y, origin(2))
defer func() { trc("-> %v", r) }()
}
return Xfmax(tls, x, y)
}
func X__builtin_fmax(tls *TLS, x float64, y float64) (r float64) {
return Xfmax(tls, x, y)
}
func Xexpm1(tls *TLS, x3 float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x3=%v, (%v:)", tls, x3, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var c, e, hfx, hi, hxs, lo, r1, t, twopk, y3 Tdouble_t
var hx Tuint32_t
var k, sign int32
var y float32
var y1, y2, v3 float64
var v1 uint64
var _ /* __u at bp+0 */ struct {
F__i [0]uint64
F__f float64
}
var _ /* u at bp+8 */ struct {
Fi [0]Tuint64_t
Ff float64
}
_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = c, e, hfx, hi, hx, hxs, k, lo, r1, sign, t, twopk, y, y1, y2, y3, v1, v3
*(*struct {
Fi [0]Tuint64_t
Ff float64
})(unsafe.Pointer(bp + 8)) = struct {
Fi [0]Tuint64_t
Ff float64
}{}
*(*float64)(unsafe.Pointer(bp + 8)) = x3
hx = uint32(*(*Tuint64_t)(unsafe.Pointer(bp + 8)) >> int32(32) & uint64(0x7fffffff))
sign = Int32FromUint64(*(*Tuint64_t)(unsafe.Pointer(bp + 8)) >> int32(63))
/* filter out huge and non-finite argument */
if hx >= uint32(0x4043687A) { /* if |x|>=56*ln2 */
*(*float64)(unsafe.Pointer(bp)) = x3
v1 = *(*uint64)(unsafe.Pointer(bp))
goto _2
_2:
if BoolInt32(v1&(-Uint64FromUint64(1)>>Int32FromInt32(1)) > Uint64FromUint64(0x7ff)<<Int32FromInt32(52)) != 0 {
return x3
}
if sign != 0 {
return float64(-Int32FromInt32(1))
}
if x3 > _o_threshold {
x3 *= float64(8.98846567431158e+307)
return x3
}
}
/* argument reduction */
if hx > uint32(0x3fd62e42) { /* if |x| > 0.5 ln2 */
if hx < uint32(0x3FF0A2B2) { /* and |x| < 1.5 ln2 */
if !(sign != 0) {
hi = x3 - _ln2_hi
lo = _ln2_lo
k = int32(1)
} else {
hi = x3 + _ln2_hi
lo = -_ln2_lo
k = -int32(1)
}
} else {
if sign != 0 {
v3 = -Float64FromFloat64(0.5)
} else {
v3 = float64(0.5)
}
k = int32(float64(_invln2*x3) + v3)
t = float64(k)
hi = x3 - float64(t*_ln2_hi) /* t*ln2_hi is exact here */
lo = Tdouble_t(t * _ln2_lo)
}
x3 = hi - lo
c = hi - x3 - lo
} else {
if hx < uint32(0x3c900000) { /* |x| < 2**-54, return x */
if hx < uint32(0x00100000) {
if uint64(4) == uint64(4) {
y = float32(x3)
} else {
if uint64(4) == uint64(8) {
y1 = float64(float32(x3))
} else {
y2 = float64(float32(x3))
}
}
}
return x3
} else {
k = 0
}
}
/* x is now in primary range */
hfx = Tdouble_t(float64(0.5) * x3)
hxs = Tdouble_t(x3 * hfx)
r1 = float64(1) + float64(hxs*(_Q1+float64(hxs*(_Q2+float64(hxs*(_Q3+float64(hxs*(_Q4+float64(hxs*_Q5)))))))))
t = float64(3) - float64(r1*hfx)
e = Tdouble_t(hxs * ((r1 - t) / (Float64FromFloat64(6) - float64(x3*t))))
if k == 0 { /* c is 0 */
return x3 - (float64(x3*e) - hxs)
}
e = float64(x3*(e-c)) - c
e -= hxs
/* exp(x) ~ 2^k (Xreduced - e + 1) */
if k == -int32(1) {
return float64(float64(0.5)*(x3-e)) - float64(0.5)
}
if k == int32(1) {
if x3 < -Float64FromFloat64(0.25) {
return float64(-Float64FromFloat64(2) * (e - (x3 + Float64FromFloat64(0.5))))
}
return float64(1) + float64(float64(2)*(x3-e))
}
*(*Tuint64_t)(unsafe.Pointer(bp + 8)) = Uint64FromInt32(Int32FromInt32(0x3ff)+k) << int32(52) /* 2^k */
twopk = *(*float64)(unsafe.Pointer(bp + 8))
if k < 0 || k > int32(56) { /* suffice to return exp(x)-1 */
y3 = x3 - e + float64(1)
if k == int32(1024) {
y3 = Tdouble_t(Tdouble_t(y3*float64(2)) * float64(8.98846567431158e+307))
} else {
y3 = Tdouble_t(y3 * twopk)
}
return y3 - float64(1)
}
*(*Tuint64_t)(unsafe.Pointer(bp + 8)) = Uint64FromInt32(Int32FromInt32(0x3ff)-k) << int32(52) /* 2^-k */
if k < int32(20) {
y3 = Tdouble_t((x3 - e + (Float64FromInt32(1) - *(*float64)(unsafe.Pointer(bp + 8)))) * twopk)
} else {
y3 = Tdouble_t((x3 - (e + *(*float64)(unsafe.Pointer(bp + 8))) + Float64FromInt32(1)) * twopk)
}
return y3
}
var _ln2_hi1 = float32(0.69313812256) /* 0x3f317180 */
var _ln2_lo1 = float32(9.0580006145e-06) /* 0x3717f7d1 */
var _invln21 = float32(1.4426950216) /* 0x3fb8aa3b */
/*
* Domain [-0.34568, 0.34568], range ~[-6.694e-10, 6.696e-10]:
* |6 / x * (1 + 2 * (1 / (exp(x) - 1) - 1 / x)) - q(x)| < 2**-30.04
* Scaled coefficients: Qn_here = 2**n * Qn_for_q (see s_expm1.c):
*/
var _Q11 = float32(-Float64FromFloat64(0.033333212137)) /* -0x888868.0p-28 */
var _Q21 = float32(0.0015807170421) /* 0xcf3010.0p-33 */
func Xexpm1f(tls *TLS, x3 float32) (r float32) {
if __ccgo_strace {
trc("tls=%v x3=%v, (%v:)", tls, x3, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var c, e, hfx, hi, hxs, lo, r1, t, twopk, y3 Tfloat_t
var hx Tuint32_t
var k, sign int32
var y, v1 float32
var y1, y2 float64
var _ /* u at bp+0 */ struct {
Fi [0]Tuint32_t
Ff float32
}
_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = c, e, hfx, hi, hx, hxs, k, lo, r1, sign, t, twopk, y, y1, y2, y3, v1
*(*struct {
Fi [0]Tuint32_t
Ff float32
})(unsafe.Pointer(bp)) = struct {
Fi [0]Tuint32_t
Ff float32
}{}
*(*float32)(unsafe.Pointer(bp)) = x3
hx = *(*Tuint32_t)(unsafe.Pointer(bp)) & uint32(0x7fffffff)
sign = Int32FromUint32(*(*Tuint32_t)(unsafe.Pointer(bp)) >> int32(31))
/* filter out huge and non-finite argument */
if hx >= uint32(0x4195b844) { /* if |x|>=27*ln2 */
if hx > uint32(0x7f800000) { /* NaN */
return x3
}
if sign != 0 {
return float32(-Int32FromInt32(1))
}
if hx > uint32(0x42b17217) { /* x > log(FLT_MAX) */
x3 *= Float32FromFloat32(1.7014118346046923e+38)
return x3
}
}
/* argument reduction */
if hx > uint32(0x3eb17218) { /* if |x| > 0.5 ln2 */
if hx < uint32(0x3F851592) { /* and |x| < 1.5 ln2 */
if !(sign != 0) {
hi = x3 - _ln2_hi1
lo = _ln2_lo1
k = int32(1)
} else {
hi = x3 + _ln2_hi1
lo = -_ln2_lo1
k = -int32(1)
}
} else {
if sign != 0 {
v1 = -Float32FromFloat32(0.5)
} else {
v1 = Float32FromFloat32(0.5)
}
k = int32(float32(_invln21*x3) + v1)
t = float32(k)
hi = x3 - float32(t*_ln2_hi1) /* t*ln2_hi is exact here */
lo = Tfloat_t(t * _ln2_lo1)
}
x3 = hi - lo
c = hi - x3 - lo
} else {
if hx < uint32(0x33000000) { /* when |x|<2**-25, return x */
if hx < uint32(0x00800000) {
if uint64(4) == uint64(4) {
y = float32(x3 * x3)
} else {
if uint64(4) == uint64(8) {
y1 = float64(x3 * x3)
} else {
y2 = float64(x3 * x3)
}
}
}
return x3
} else {
k = 0
}
}
/* x is now in primary range */
hfx = Tfloat_t(Float32FromFloat32(0.5) * x3)
hxs = Tfloat_t(x3 * hfx)
r1 = Float32FromFloat32(1) + float32(hxs*(_Q11+float32(hxs*_Q21)))
t = Float32FromFloat32(3) - float32(r1*hfx)
e = Tfloat_t(hxs * ((r1 - t) / (Float32FromFloat32(6) - float32(x3*t))))
if k == 0 { /* c is 0 */
return x3 - (float32(x3*e) - hxs)
}
e = float32(x3*(e-c)) - c
e -= hxs
/* exp(x) ~ 2^k (Xreduced - e + 1) */
if k == -int32(1) {
return float32(Float32FromFloat32(0.5)*(x3-e)) - Float32FromFloat32(0.5)
}
if k == int32(1) {
if x3 < -Float32FromFloat32(0.25) {
return float32(-Float32FromFloat32(2) * (e - (x3 + Float32FromFloat32(0.5))))
}
return Float32FromFloat32(1) + float32(Float32FromFloat32(2)*(x3-e))
}
*(*Tuint32_t)(unsafe.Pointer(bp)) = Uint32FromInt32((int32(0x7f) + k) << int32(23)) /* 2^k */
twopk = *(*float32)(unsafe.Pointer(bp))
if k < 0 || k > int32(56) { /* suffice to return exp(x)-1 */
y3 = x3 - e + Float32FromFloat32(1)
if k == int32(128) {
y3 = Tfloat_t(Tfloat_t(y3*Float32FromFloat32(2)) * Float32FromFloat32(1.7014118346046923e+38))
} else {
y3 = Tfloat_t(y3 * twopk)
}
return y3 - Float32FromFloat32(1)
}
*(*Tuint32_t)(unsafe.Pointer(bp)) = Uint32FromInt32((int32(0x7f) - k) << int32(23)) /* 2^-k */
if k < int32(23) {
y3 = Tfloat_t((x3 - e + (Float32FromInt32(1) - *(*float32)(unsafe.Pointer(bp)))) * twopk)
} else {
y3 = Tfloat_t((x3 - (e + *(*float32)(unsafe.Pointer(bp))) + Float32FromInt32(1)) * twopk)
}
return y3
}
func Xexpm1l(tls *TLS, x float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r) }()
}
return Xexpm1(tls, x)
}
type Tdouble_t = float64
type Tuint32_t = uint32
type Tuint64_t = uint64
var _o_threshold = float64(709.782712893384) /* 0x40862E42, 0xFEFA39EF */
var _ln2_hi = float64(0.6931471803691238) /* 0x3fe62e42, 0xfee00000 */
var _ln2_lo = float64(1.9082149292705877e-10) /* 0x3dea39ef, 0x35793c76 */
var _invln2 = float64(1.4426950408889634) /* 0x3ff71547, 0x652b82fe */
/* Scaled Q's: Qn_here = 2**n * Qn_above, for R(2*z) where z = hxs = x*x/2: */
var _Q1 = -Float64FromFloat64(0.03333333333333313) /* BFA11111 111110F4 */
var _Q2 = float64(0.0015873015872548146) /* 3F5A01A0 19FE5585 */
var _Q3 = -Float64FromFloat64(7.93650757867488e-05) /* BF14CE19 9EAADBB7 */
var _Q4 = float64(4.008217827329362e-06) /* 3ED0CFCA 86E65239 */
var _Q5 = -Float64FromFloat64(2.0109921818362437e-07) /* BE8AFDB7 6E09C32D */
var _ln2_hi2 = float64(0.6931471803691238) /* 3fe62e42 fee00000 */
var _ln2_lo2 = float64(1.9082149292705877e-10) /* 3dea39ef 35793c76 */
var _Lg12 = float64(0.6666666666666735) /* 3FE55555 55555593 */
var _Lg22 = float64(0.3999999999940942) /* 3FD99999 9997FA04 */
var _Lg32 = float64(0.2857142874366239) /* 3FD24924 94229359 */
var _Lg42 = float64(0.22222198432149784) /* 3FCC71C5 1D8E78AF */
var _Lg51 = float64(0.1818357216161805) /* 3FC74664 96CB03DE */
var _Lg61 = float64(0.15313837699209373) /* 3FC39A09 D078C69F */
var _Lg71 = float64(0.14798198605116586) /* 3FC2F112 DF3E5244 */
func Xlog1p(tls *TLS, x3 float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x3=%v, (%v:)", tls, x3, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var R, c, dk, f, hfsq, s, t1, t2, w, z Tdouble_t
var hu, hx Tuint32_t
var k int32
var y float32
var y1, y2, v1 float64
var _ /* u at bp+0 */ struct {
Fi [0]Tuint64_t
Ff float64
}
_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = R, c, dk, f, hfsq, hu, hx, k, s, t1, t2, w, y, y1, y2, z, v1
*(*struct {
Fi [0]Tuint64_t
Ff float64
})(unsafe.Pointer(bp)) = struct {
Fi [0]Tuint64_t
Ff float64
}{}
*(*float64)(unsafe.Pointer(bp)) = x3
hx = uint32(*(*Tuint64_t)(unsafe.Pointer(bp)) >> int32(32))
k = int32(1)
if hx < uint32(0x3fda827a) || hx>>int32(31) != 0 { /* 1+x < sqrt(2)+ */
if hx >= uint32(0xbff00000) { /* x <= -1.0 */
if x3 == float64(-Int32FromInt32(1)) {
return x3 / float64(0)
} /* log1p(-1) = -inf */
return (x3 - x3) / float64(0) /* log1p(x<-1) = NaN */
}
if hx<<int32(1) < Uint32FromInt32(Int32FromInt32(0x3ca00000)<<Int32FromInt32(1)) { /* |x| < 2**-53 */
/* underflow if subnormal */
if hx&uint32(0x7ff00000) == uint32(0) {
if uint64(4) == uint64(4) {
y = float32(x3)
} else {
if uint64(4) == uint64(8) {
y1 = float64(float32(x3))
} else {
y2 = float64(float32(x3))
}
}
}
return x3
}
if hx <= uint32(0xbfd2bec4) { /* sqrt(2)/2- <= 1+x < sqrt(2)+ */
k = 0
c = Float64FromInt32(0)
f = x3
}
} else {
if hx >= uint32(0x7ff00000) {
return x3
}
}
if k != 0 {
*(*float64)(unsafe.Pointer(bp)) = Float64FromInt32(1) + x3
hu = uint32(*(*Tuint64_t)(unsafe.Pointer(bp)) >> int32(32))
hu += Uint32FromInt32(Int32FromInt32(0x3ff00000) - Int32FromInt32(0x3fe6a09e))
k = Int32FromUint32(hu>>Int32FromInt32(20)) - int32(0x3ff)
/* correction term ~ log(1+x)-log(u), avoid underflow in c/u */
if k < int32(54) {
if k >= int32(2) {
v1 = Float64FromInt32(1) - (*(*float64)(unsafe.Pointer(bp)) - x3)
} else {
v1 = x3 - (*(*float64)(unsafe.Pointer(bp)) - Float64FromInt32(1))
}
c = v1
c /= *(*float64)(unsafe.Pointer(bp))
} else {
c = Float64FromInt32(0)
}
/* reduce u into [sqrt(2)/2, sqrt(2)] */
hu = hu&uint32(0x000fffff) + uint32(0x3fe6a09e)
*(*Tuint64_t)(unsafe.Pointer(bp)) = uint64(hu)<<int32(32) | *(*Tuint64_t)(unsafe.Pointer(bp))&uint64(0xffffffff)
f = *(*float64)(unsafe.Pointer(bp)) - Float64FromInt32(1)
}
hfsq = Tdouble_t(float64(float64(0.5)*f) * f)
s = f / (Float64FromFloat64(2) + f)
z = Tdouble_t(s * s)
w = Tdouble_t(z * z)
t1 = Tdouble_t(w * (_Lg22 + float64(w*(_Lg42+float64(w*_Lg61)))))
t2 = Tdouble_t(z * (_Lg12 + float64(w*(_Lg32+float64(w*(_Lg51+float64(w*_Lg71)))))))
R = t2 + t1
dk = float64(k)
return Tdouble_t(s*(hfsq+R)) + (Tdouble_t(dk*_ln2_lo2) + c) - hfsq + f + Tdouble_t(dk*_ln2_hi2)
}
var _ln2_hi3 = float32(0.69313812256) /* 0x3f317180 */
var _ln2_lo3 = float32(9.0580006145e-06) /* 0x3717f7d1 */
/* |(log(1+s)-log(1-s))/s - Lg(s)| < 2**-34.24 (~[-4.95e-11, 4.97e-11]). */
var _Lg13 = float32(0.6666666269302368) /* 0.66666662693 */
var _Lg23 = float32(0.40000972151756287) /* 0.40000972152 */
var _Lg33 = float32(0.2849878668785095) /* 0.28498786688 */
var _Lg43 = float32(0.24279078841209412) /* 0.24279078841 */
func Xlog1pf(tls *TLS, x3 float32) (r float32) {
if __ccgo_strace {
trc("tls=%v x3=%v, (%v:)", tls, x3, origin(2))
defer func() { trc("-> %v", r) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var R, c, dk, f, hfsq, s, t1, t2, w, z Tfloat_t
var iu, ix Tuint32_t
var k int32
var y, v1 float32
var y1, y2 float64
var _ /* u at bp+0 */ struct {
Fi [0]Tuint32_t
Ff float32
}
_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = R, c, dk, f, hfsq, iu, ix, k, s, t1, t2, w, y, y1, y2, z, v1
*(*struct {
Fi [0]Tuint32_t
Ff float32
})(unsafe.Pointer(bp)) = struct {
Fi [0]Tuint32_t
Ff float32
}{}
*(*float32)(unsafe.Pointer(bp)) = x3
ix = *(*Tuint32_t)(unsafe.Pointer(bp))
k = int32(1)
if ix < uint32(0x3ed413d0) || ix>>int32(31) != 0 { /* 1+x < sqrt(2)+ */
if ix >= uint32(0xbf800000) { /* x <= -1.0 */
if x3 == float32(-Int32FromInt32(1)) {
return x3 / Float32FromFloat32(0)
} /* log1p(-1)=+inf */
return (x3 - x3) / Float32FromFloat32(0) /* log1p(x<-1)=NaN */
}
if ix<<int32(1) < Uint32FromInt32(Int32FromInt32(0x33800000)<<Int32FromInt32(1)) { /* |x| < 2**-24 */
/* underflow if subnormal */
if ix&uint32(0x7f800000) == uint32(0) {
if uint64(4) == uint64(4) {
y = float32(x3 * x3)
} else {
if uint64(4) == uint64(8) {
y1 = float64(x3 * x3)
} else {
y2 = float64(x3 * x3)
}
}
}
return x3
}
if ix <= uint32(0xbe95f619) { /* sqrt(2)/2- <= 1+x < sqrt(2)+ */
k = 0
c = Float32FromInt32(0)
f = x3
}
} else {
if ix >= uint32(0x7f800000) {
return x3
}
}
if k != 0 {
*(*float32)(unsafe.Pointer(bp)) = Float32FromInt32(1) + x3
iu = *(*Tuint32_t)(unsafe.Pointer(bp))
iu += Uint32FromInt32(Int32FromInt32(0x3f800000) - Int32FromInt32(0x3f3504f3))
k = Int32FromUint32(iu>>Int32FromInt32(23)) - int32(0x7f)
/* correction term ~ log(1+x)-log(u), avoid underflow in c/u */
if k < int32(25) {
if k >= int32(2) {
v1 = Float32FromInt32(1) - (*(*float32)(unsafe.Pointer(bp)) - x3)
} else {
v1 = x3 - (*(*float32)(unsafe.Pointer(bp)) - Float32FromInt32(1))
}
c = v1
c /= *(*float32)(unsafe.Pointer(bp))
} else {
c = Float32FromInt32(0)
}
/* reduce u into [sqrt(2)/2, sqrt(2)] */
iu = iu&uint32(0x007fffff) + uint32(0x3f3504f3)
*(*Tuint32_t)(unsafe.Pointer(bp)) = iu
f = *(*float32)(unsafe.Pointer(bp)) - Float32FromInt32(1)
}
s = f / (Float32FromFloat32(2) + f)
z = Tfloat_t(s * s)
w = Tfloat_t(z * z)
t1 = Tfloat_t(w * (_Lg23 + float32(w*_Lg43)))
t2 = Tfloat_t(z * (_Lg13 + float32(w*_Lg33)))
R = t2 + t1
hfsq = Tfloat_t(float32(Float32FromFloat32(0.5)*f) * f)
dk = float32(k)
return Tfloat_t(s*(hfsq+R)) + (Tfloat_t(dk*_ln2_lo3) + c) - hfsq + f + Tfloat_t(dk*_ln2_hi3)
}
func Xlog1pl(tls *TLS, x float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r) }()
}
return Xlog1p(tls, x)
}
type Tfloat_t = float32
var _B1 = uint32(715094163) /* B1 = (1023-1023/3-0.03306235651)*2**20 */
var _B2 = uint32(696219795) /* B2 = (1023-1023/3-54/3-0.03306235651)*2**20 */
// C documentation
//
// /* |1/cbrt(x) - p(x)| < 2**-23.5 (~[-7.93e-8, 7.929e-8]). */
var _P0 = float64(1.87595182427177) /* 0x3ffe03e6, 0x0f61e692 */
var _P1 = -Float64FromFloat64(1.8849797954337717) /* 0xbffe28e0, 0x92f02420 */
var _P2 = float64(1.6214297201053545) /* 0x3ff9f160, 0x4a49d6c2 */
var _P3 = -Float64FromFloat64(0.758397934778766) /* 0xbfe844cb, 0xbee751d9 */
var _P4 = float64(0.14599619288661245) /* 0x3fc2b000, 0xd4e4edd7 */
func Xcbrt(tls *TLS, x float64) (r1 float64) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r1) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var hx Tuint32_t
var r, s, t, w Tdouble_t
var p1 uintptr
var _ /* u at bp+0 */ struct {
Fi [0]Tuint64_t
Ff float64
}
_, _, _, _, _, _ = hx, r, s, t, w, p1
*(*struct {
Fi [0]Tuint64_t
Ff float64
})(unsafe.Pointer(bp)) = struct {
Fi [0]Tuint64_t
Ff float64
}{}
*(*float64)(unsafe.Pointer(bp)) = x
hx = uint32(*(*Tuint64_t)(unsafe.Pointer(bp)) >> int32(32) & uint64(0x7fffffff))
if hx >= uint32(0x7ff00000) { /* cbrt(NaN,INF) is itself */
return x + x
}
/*
* Rough cbrt to 5 bits:
* cbrt(2**e*(1+m) ~= 2**(e/3)*(1+(e%3+m)/3)
* where e is integral and >= 0, m is real and in [0, 1), and "/" and
* "%" are integer division and modulus with rounding towards minus
* infinity. The RHS is always >= the LHS and has a maximum relative
* error of about 1 in 16. Adding a bias of -0.03306235651 to the
* (e%3+m)/3 term reduces the error to about 1 in 32. With the IEEE
* floating point representation, for finite positive normal values,
* ordinary integer divison of the value in bits magically gives
* almost exactly the RHS of the above provided we first subtract the
* exponent bias (1023 for doubles) and later add it back. We do the
* subtraction virtually to keep e >= 0 so that ordinary integer
* division rounds towards minus infinity; this is also efficient.
*/
if hx < uint32(0x00100000) { /* zero or subnormal? */
*(*float64)(unsafe.Pointer(bp)) = float64(x * float64(1.8014398509481984e+16))
hx = uint32(*(*Tuint64_t)(unsafe.Pointer(bp)) >> int32(32) & uint64(0x7fffffff))
if hx == uint32(0) {
return x
} /* cbrt(0) is itself */
hx = hx/uint32(3) + _B2
} else {
hx = hx/uint32(3) + _B1
}
p1 = bp
*(*Tuint64_t)(unsafe.Pointer(p1)) = Tuint64_t(*(*Tuint64_t)(unsafe.Pointer(p1)) & (Uint64FromUint64(1) << Int32FromInt32(63)))
*(*Tuint64_t)(unsafe.Pointer(bp)) |= uint64(hx) << int32(32)
t = *(*float64)(unsafe.Pointer(bp))
/*
* New cbrt to 23 bits:
* cbrt(x) = t*cbrt(x/t**3) ~= t*P(t**3/x)
* where P(r) is a polynomial of degree 4 that approximates 1/cbrt(r)
* to within 2**-23.5 when |r - 1| < 1/10. The rough approximation
* has produced t such than |t/cbrt(x) - 1| ~< 1/32, and cubing this
* gives us bounds for r = t**3/x.
*
* Try to optimize for parallel evaluation as in __tanf.c.
*/
r = Tdouble_t(Tdouble_t(t*t) * (t / x))
t = Tdouble_t(t * (_P0 + float64(r*(_P1+float64(r*_P2))) + float64(Tdouble_t(Tdouble_t(r*r)*r)*(_P3+float64(r*_P4)))))
/*
* Round t away from zero to 23 bits (sloppily except for ensuring that
* the result is larger in magnitude than cbrt(x) but not much more than
* 2 23-bit ulps larger). With rounding towards zero, the error bound
* would be ~5/6 instead of ~4/6. With a maximum error of 2 23-bit ulps
* in the rounded t, the infinite-precision error in the Newton
* approximation barely affects third digit in the final error
* 0.667; the error in the rounded t can be up to about 3 23-bit ulps
* before the final error is larger than 0.667 ulps.
*/
*(*float64)(unsafe.Pointer(bp)) = t
*(*Tuint64_t)(unsafe.Pointer(bp)) = uint64(*(*Tuint64_t)(unsafe.Pointer(bp))+Uint64FromUint32(0x80000000)) & uint64(0xffffffffc0000000)
t = *(*float64)(unsafe.Pointer(bp))
/* one step Newton iteration to 53 bits with error < 0.667 ulps */
s = Tdouble_t(t * t) /* t*t is exact */
r = x / s /* error <= 0.5 ulps; |r| < |t| */
w = t + t /* t+t is exact */
r = (r - t) / (w + r) /* r-t is exact; w+r ~= 3*t */
t = t + Tdouble_t(t*r) /* error <= 0.5 + 0.5/3 + epsilon */
return t
}
var _B11 = uint32(709958130) /* B1 = (127-127.0/3-0.03306235651)*2**23 */
var _B21 = uint32(642849266) /* B2 = (127-127.0/3-24/3-0.03306235651)*2**23 */
func Xcbrtf(tls *TLS, x float32) (r1 float32) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r1) }()
}
bp := tls.Alloc(16)
defer tls.Free(16)
var T, r Tdouble_t
var hx Tuint32_t
var _ /* u at bp+0 */ struct {
Fi [0]Tuint32_t
Ff float32
}
_, _, _ = T, hx, r
*(*struct {
Fi [0]Tuint32_t
Ff float32
})(unsafe.Pointer(bp)) = struct {
Fi [0]Tuint32_t
Ff float32
}{}
*(*float32)(unsafe.Pointer(bp)) = x
hx = *(*Tuint32_t)(unsafe.Pointer(bp)) & uint32(0x7fffffff)
if hx >= uint32(0x7f800000) { /* cbrt(NaN,INF) is itself */
return x + x
}
/* rough cbrt to 5 bits */
if hx < uint32(0x00800000) { /* zero or subnormal? */
if hx == uint32(0) {
return x
} /* cbrt(+-0) is itself */
*(*float32)(unsafe.Pointer(bp)) = float32(x * Float32FromFloat32(1.6777216e+07))
hx = *(*Tuint32_t)(unsafe.Pointer(bp)) & uint32(0x7fffffff)
hx = hx/uint32(3) + _B21
} else {
hx = hx/uint32(3) + _B11
}
*(*Tuint32_t)(unsafe.Pointer(bp)) &= uint32(0x80000000)
*(*Tuint32_t)(unsafe.Pointer(bp)) |= hx
/*
* First step Newton iteration (solving t*t-x/t == 0) to 16 bits. In
* double precision so that its terms can be arranged for efficiency
* without causing overflow or underflow.
*/
T = float64(*(*float32)(unsafe.Pointer(bp)))
r = Tdouble_t(Tdouble_t(T*T) * T)
T = Tdouble_t(T*(float64(x)+float64(x)+r)) / (float64(x) + r + r)
/*
* Second step Newton iteration to 47 bits. In double precision for
* efficiency and accuracy.
*/
r = Tdouble_t(Tdouble_t(T*T) * T)
T = Tdouble_t(T*(float64(x)+float64(x)+r)) / (float64(x) + r + r)
/* rounding to 24 bits is perfect in round-to-nearest mode */
return float32(T)
}
func Xcbrtl(tls *TLS, x float64) (r float64) {
if __ccgo_strace {
trc("tls=%v x=%v, (%v:)", tls, x, origin(2))
defer func() { trc("-> %v", r) }()
}
return Xcbrt(tls, x)
}
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