1488 lines
40 KiB
Go
1488 lines
40 KiB
Go
// Copyright 2020 The Libc Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go.generate echo package libc > ccgo.go
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//go:generate go run generate.go
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//go:generate go fmt ./...
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// Package libc provides run time support for ccgo generated programs and
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// implements selected parts of the C standard library.
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package libc // import "modernc.org/libc"
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//TODO use O_RDONLY etc. from fcntl header
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//TODO use t.Alloc/Free where appropriate
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import (
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"bufio"
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crand "crypto/rand"
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"fmt"
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"math"
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mbits "math/bits"
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"math/rand"
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"os"
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"runtime"
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"runtime/debug"
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"sort"
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"strings"
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"sync"
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"sync/atomic"
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gotime "time"
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"unsafe"
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"github.com/mattn/go-isatty"
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"modernc.org/libc/errno"
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"modernc.org/libc/stdio"
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"modernc.org/libc/sys/types"
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"modernc.org/libc/time"
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"modernc.org/libc/unistd"
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"modernc.org/mathutil"
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)
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const (
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ENOENT = errno.ENOENT
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)
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type (
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// RawMem64 represents the biggest uint64 array the runtime can handle.
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RawMem64 [unsafe.Sizeof(RawMem{}) / unsafe.Sizeof(uint64(0))]uint64
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)
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var (
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allocMu sync.Mutex
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environInitialized bool
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isWindows bool
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)
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// Keep these outside of the var block otherwise go generate will miss them.
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var Xenviron uintptr
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var Xstdin = newFile(nil, unistd.STDIN_FILENO)
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var Xstdout = newFile(nil, unistd.STDOUT_FILENO)
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var Xstderr = newFile(nil, unistd.STDERR_FILENO)
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func setEnviron() {
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SetEnviron(nil, os.Environ())
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}
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func Environ() uintptr {
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if !environInitialized {
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SetEnviron(nil, os.Environ())
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}
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return Xenviron
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}
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func EnvironP() uintptr {
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if !environInitialized {
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SetEnviron(nil, os.Environ())
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}
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return uintptr(unsafe.Pointer(&Xenviron))
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}
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func X___errno_location(t *TLS) uintptr {
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return X__errno_location(t)
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}
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// int * __errno_location(void);
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func X__errno_location(t *TLS) uintptr {
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return t.errnop
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}
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func Start(main func(*TLS, int32, uintptr) int32) {
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if dmesgs {
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wd, err := os.Getwd()
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dmesg("%v: %v, wd %v, %v", origin(1), os.Args, wd, err)
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defer func() {
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if err := recover(); err != nil {
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dmesg("%v: CRASH: %v\n%s", origin(1), err, debug.Stack())
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}
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}()
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}
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runtime.LockOSThread()
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t := &TLS{errnop: uintptr(unsafe.Pointer(&errno0))}
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argv := Xcalloc(t, 1, types.Size_t((len(os.Args)+1)*int(uintptrSize)))
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if argv == 0 {
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panic("OOM")
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}
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p := argv
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for _, v := range os.Args {
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s := Xcalloc(t, 1, types.Size_t(len(v)+1))
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if s == 0 {
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panic("OOM")
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}
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copy((*RawMem)(unsafe.Pointer(s))[:len(v):len(v)], v)
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*(*uintptr)(unsafe.Pointer(p)) = s
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p += uintptrSize
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}
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SetEnviron(t, os.Environ())
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audit := false
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if memgrind {
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if s := os.Getenv("LIBC_MEMGRIND_START"); s != "0" {
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MemAuditStart()
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audit = true
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}
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}
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t = NewTLS()
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rc := main(t, int32(len(os.Args)), argv)
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exit(t, rc, audit)
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}
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func Xexit(t *TLS, status int32) { exit(t, status, false) }
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func exit(t *TLS, status int32, audit bool) {
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if len(Covered) != 0 {
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buf := bufio.NewWriter(os.Stdout)
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CoverReport(buf)
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buf.Flush()
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}
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if len(CoveredC) != 0 {
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buf := bufio.NewWriter(os.Stdout)
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CoverCReport(buf)
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buf.Flush()
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}
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for _, v := range atExit {
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v()
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}
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if audit {
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t.Close()
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if tlsBalance != 0 {
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fmt.Fprintf(os.Stderr, "non zero TLS balance: %d\n", tlsBalance)
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status = 1
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}
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}
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X_exit(nil, status)
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}
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// void _exit(int status);
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func X_exit(_ *TLS, status int32) {
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if dmesgs {
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dmesg("%v: EXIT %v", origin(1), status)
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}
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os.Exit(int(status))
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}
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func SetEnviron(t *TLS, env []string) {
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if environInitialized {
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return
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}
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environInitialized = true
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p := Xcalloc(t, 1, types.Size_t((len(env)+1)*(int(uintptrSize))))
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if p == 0 {
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panic("OOM")
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}
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Xenviron = p
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for _, v := range env {
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s := Xcalloc(t, 1, types.Size_t(len(v)+1))
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if s == 0 {
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panic("OOM")
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}
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copy((*(*RawMem)(unsafe.Pointer(s)))[:len(v):len(v)], v)
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*(*uintptr)(unsafe.Pointer(p)) = s
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p += uintptrSize
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}
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}
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// void setbuf(FILE *stream, char *buf);
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func Xsetbuf(t *TLS, stream, buf uintptr) {
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//TODO panic(todo(""))
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}
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// size_t confstr(int name, char *buf, size_t len);
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func Xconfstr(t *TLS, name int32, buf uintptr, len types.Size_t) types.Size_t {
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panic(todo(""))
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}
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// int puts(const char *s);
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func Xputs(t *TLS, s uintptr) int32 {
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n, err := fmt.Printf("%s\n", GoString(s))
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if err != nil {
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return stdio.EOF
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}
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return int32(n)
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}
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var (
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randomMu sync.Mutex
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randomGen = rand.New(rand.NewSource(42))
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)
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// long int random(void);
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func Xrandom(t *TLS) long {
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randomMu.Lock()
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r := randomGen.Int63n(math.MaxInt32 + 1)
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randomMu.Unlock()
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return long(r)
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}
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func write(b []byte) (int, error) {
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// if dmesgs {
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// dmesg("%v: %s", origin(1), b)
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// }
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if _, err := os.Stdout.Write(b); err != nil {
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return -1, err
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}
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return len(b), nil
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}
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func X__builtin_bzero(t *TLS, s uintptr, n types.Size_t) { Xbzero(t, s, n) }
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func X__builtin_abort(t *TLS) { Xabort(t) }
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func X__builtin_abs(t *TLS, j int32) int32 { return Xabs(t, j) }
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func X__builtin_clz(t *TLS, n uint32) int32 { return int32(mbits.LeadingZeros32(n)) }
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func X__builtin_clzl(t *TLS, n ulong) int32 { return int32(mbits.LeadingZeros64(uint64(n))) }
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func X__builtin_clzll(t *TLS, n uint64) int32 { return int32(mbits.LeadingZeros64(n)) }
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func X__builtin_constant_p_impl() { panic(todo("internal error: should never be called")) }
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func X__builtin_copysign(t *TLS, x, y float64) float64 { return Xcopysign(t, x, y) }
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func X__builtin_copysignf(t *TLS, x, y float32) float32 { return Xcopysignf(t, x, y) }
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func X__builtin_copysignl(t *TLS, x, y float64) float64 { return Xcopysign(t, x, y) }
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func X__builtin_exit(t *TLS, status int32) { Xexit(t, status) }
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func X__builtin_expect(t *TLS, exp, c long) long { return exp }
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func X__builtin_fabs(t *TLS, x float64) float64 { return Xfabs(t, x) }
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func X__builtin_fabsf(t *TLS, x float32) float32 { return Xfabsf(t, x) }
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func X__builtin_fabsl(t *TLS, x float64) float64 { return Xfabsl(t, x) }
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func X__builtin_free(t *TLS, ptr uintptr) { Xfree(t, ptr) }
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func X__builtin_getentropy(t *TLS, buf uintptr, n types.Size_t) int32 { return Xgetentropy(t, buf, n) }
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func X__builtin_huge_val(t *TLS) float64 { return math.Inf(1) }
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func X__builtin_huge_valf(t *TLS) float32 { return float32(math.Inf(1)) }
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func X__builtin_inf(t *TLS) float64 { return math.Inf(1) }
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func X__builtin_inff(t *TLS) float32 { return float32(math.Inf(1)) }
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func X__builtin_infl(t *TLS) float64 { return math.Inf(1) }
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func X__builtin_malloc(t *TLS, size types.Size_t) uintptr { return Xmalloc(t, size) }
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func X__builtin_memcmp(t *TLS, s1, s2 uintptr, n types.Size_t) int32 { return Xmemcmp(t, s1, s2, n) }
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func X__builtin_nan(t *TLS, s uintptr) float64 { return math.NaN() }
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func X__builtin_nanf(t *TLS, s uintptr) float32 { return float32(math.NaN()) }
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func X__builtin_nanl(t *TLS, s uintptr) float64 { return math.NaN() }
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func X__builtin_prefetch(t *TLS, addr, args uintptr) {}
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func X__builtin_printf(t *TLS, s, args uintptr) int32 { return Xprintf(t, s, args) }
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func X__builtin_strchr(t *TLS, s uintptr, c int32) uintptr { return Xstrchr(t, s, c) }
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func X__builtin_strcmp(t *TLS, s1, s2 uintptr) int32 { return Xstrcmp(t, s1, s2) }
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func X__builtin_strcpy(t *TLS, dest, src uintptr) uintptr { return Xstrcpy(t, dest, src) }
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func X__builtin_strlen(t *TLS, s uintptr) types.Size_t { return Xstrlen(t, s) }
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func X__builtin_trap(t *TLS) { Xabort(t) }
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func X__isnan(t *TLS, arg float64) int32 { return X__builtin_isnan(t, arg) }
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func X__isnanf(t *TLS, arg float32) int32 { return Xisnanf(t, arg) }
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func X__isnanl(t *TLS, arg float64) int32 { return Xisnanl(t, arg) }
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func Xvfprintf(t *TLS, stream, format, ap uintptr) int32 { return Xfprintf(t, stream, format, ap) }
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// int __builtin_popcount (unsigned int x)
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func X__builtin_popcount(t *TLS, x uint32) int32 {
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return int32(mbits.OnesCount32(x))
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}
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// int __builtin_popcountl (unsigned long x)
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func X__builtin_popcountl(t *TLS, x ulong) int32 {
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return int32(mbits.OnesCount64(uint64(x)))
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}
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// char * __builtin___strcpy_chk (char *dest, const char *src, size_t os);
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func X__builtin___strcpy_chk(t *TLS, dest, src uintptr, os types.Size_t) uintptr {
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return Xstrcpy(t, dest, src)
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}
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func X__builtin_mmap(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr {
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return Xmmap(t, addr, length, prot, flags, fd, offset)
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}
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// uint16_t __builtin_bswap16 (uint32_t x)
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func X__builtin_bswap16(t *TLS, x uint16) uint16 {
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return x<<8 |
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x>>8
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}
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// uint32_t __builtin_bswap32 (uint32_t x)
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func X__builtin_bswap32(t *TLS, x uint32) uint32 {
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return x<<24 |
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x&0xff00<<8 |
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x&0xff0000>>8 |
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x>>24
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}
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// uint64_t __builtin_bswap64 (uint64_t x)
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func X__builtin_bswap64(t *TLS, x uint64) uint64 {
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return x<<56 |
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x&0xff00<<40 |
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x&0xff0000<<24 |
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x&0xff000000<<8 |
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x&0xff00000000>>8 |
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x&0xff0000000000>>24 |
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x&0xff000000000000>>40 |
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x>>56
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}
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// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
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func X__builtin_add_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
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r, ovf := mathutil.AddOverflowInt64(a, b)
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*(*int64)(unsafe.Pointer(res)) = r
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return Bool32(ovf)
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}
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// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
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func X__builtin_add_overflowUint32(t *TLS, a, b uint32, res uintptr) int32 {
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r := a + b
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*(*uint32)(unsafe.Pointer(res)) = r
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return Bool32(r < a)
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}
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// bool __builtin_add_overflow (type1 a, type2 b, type3 *res)
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func X__builtin_add_overflowUint64(t *TLS, a, b uint64, res uintptr) int32 {
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r := a + b
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*(*uint64)(unsafe.Pointer(res)) = r
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return Bool32(r < a)
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}
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// bool __builtin_sub_overflow (type1 a, type2 b, type3 *res)
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func X__builtin_sub_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
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r, ovf := mathutil.SubOverflowInt64(a, b)
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*(*int64)(unsafe.Pointer(res)) = r
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return Bool32(ovf)
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}
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// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
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func X__builtin_mul_overflowInt64(t *TLS, a, b int64, res uintptr) int32 {
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r, ovf := mathutil.MulOverflowInt64(a, b)
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*(*int64)(unsafe.Pointer(res)) = r
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return Bool32(ovf)
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}
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// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
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func X__builtin_mul_overflowUint64(t *TLS, a, b uint64, res uintptr) int32 {
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hi, lo := mbits.Mul64(a, b)
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*(*uint64)(unsafe.Pointer(res)) = lo
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return Bool32(hi != 0)
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}
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// bool __builtin_mul_overflow (type1 a, type2 b, type3 *res)
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func X__builtin_mul_overflowUint128(t *TLS, a, b Uint128, res uintptr) int32 {
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r, ovf := a.mulOvf(b)
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*(*Uint128)(unsafe.Pointer(res)) = r
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return Bool32(ovf)
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}
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func X__builtin_unreachable(t *TLS) {
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fmt.Fprintf(os.Stderr, "unrechable\n")
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os.Stderr.Sync()
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Xexit(t, 1)
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}
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func X__builtin_snprintf(t *TLS, str uintptr, size types.Size_t, format, args uintptr) int32 {
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return Xsnprintf(t, str, size, format, args)
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}
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func X__builtin_sprintf(t *TLS, str, format, args uintptr) (r int32) {
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return Xsprintf(t, str, format, args)
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}
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func X__builtin_memcpy(t *TLS, dest, src uintptr, n types.Size_t) (r uintptr) {
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return Xmemcpy(t, dest, src, n)
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}
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// void * __builtin___memcpy_chk (void *dest, const void *src, size_t n, size_t os);
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func X__builtin___memcpy_chk(t *TLS, dest, src uintptr, n, os types.Size_t) (r uintptr) {
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if os != ^types.Size_t(0) && n < os {
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Xabort(t)
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}
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return Xmemcpy(t, dest, src, n)
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}
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func X__builtin_memset(t *TLS, s uintptr, c int32, n types.Size_t) uintptr {
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return Xmemset(t, s, c, n)
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}
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// void * __builtin___memset_chk (void *s, int c, size_t n, size_t os);
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func X__builtin___memset_chk(t *TLS, s uintptr, c int32, n, os types.Size_t) uintptr {
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if os < n {
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Xabort(t)
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}
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return Xmemset(t, s, c, n)
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}
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// size_t __builtin_object_size (const void * ptr, int type)
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func X__builtin_object_size(t *TLS, p uintptr, typ int32) types.Size_t {
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return ^types.Size_t(0) //TODO frontend magic
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}
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var atomicLoadStore16 sync.Mutex
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func AtomicStoreNUint16(ptr uintptr, val uint16, memorder int32) {
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atomicLoadStore16.Lock()
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*(*uint16)(unsafe.Pointer(ptr)) = val
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atomicLoadStore16.Unlock()
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}
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// int sprintf(char *str, const char *format, ...);
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func Xsprintf(t *TLS, str, format, args uintptr) (r int32) {
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b := printf(format, args)
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r = int32(len(b))
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copy((*RawMem)(unsafe.Pointer(str))[:r:r], b)
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*(*byte)(unsafe.Pointer(str + uintptr(r))) = 0
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return int32(len(b))
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}
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// int __builtin___sprintf_chk (char *s, int flag, size_t os, const char *fmt, ...);
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func X__builtin___sprintf_chk(t *TLS, s uintptr, flag int32, os types.Size_t, format, args uintptr) (r int32) {
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return Xsprintf(t, s, format, args)
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}
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// void qsort(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *));
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func Xqsort(t *TLS, base uintptr, nmemb, size types.Size_t, compar uintptr) {
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sort.Sort(&sorter{
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len: int(nmemb),
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base: base,
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sz: uintptr(size),
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f: (*struct {
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f func(*TLS, uintptr, uintptr) int32
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})(unsafe.Pointer(&struct{ uintptr }{compar})).f,
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t: t,
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})
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}
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// void __assert_fail(const char * assertion, const char * file, unsigned int line, const char * function);
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func X__assert_fail(t *TLS, assertion, file uintptr, line uint32, function uintptr) {
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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)
|
|
}
|
|
|
|
func X__builtin_vsnprintf(t *TLS, str uintptr, size types.Size_t, format, va uintptr) int32 {
|
|
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 {
|
|
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 X__builtin_round(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)
|
|
}
|
|
}
|
|
|
|
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) time.Time_t {
|
|
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)
|
|
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))
|
|
}
|
|
|
|
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) {
|
|
return Xffs(tls, i)
|
|
}
|
|
|
|
func Xffs(tls *TLS, i int32) (r int32) {
|
|
if i == 0 {
|
|
return 0
|
|
}
|
|
|
|
return int32(mbits.TrailingZeros32(uint32(i))) + 1
|
|
}
|