{"anames9.c", mkanames},
{"zdefaultcc.go", mkzdefaultcc},
{"zsys_", mkzsys},
- {"zgoarch_", mkzgoarch},
- {"zgoos_", mkzgoos},
{"zversion.go", mkzversion},
{"zaexperiment.h", mkzexperiment},
xremove(bpathf(&b, "%s/%s", bstr(&path), cleantab[i]+4));
}
- // remove src/runtime/z* unconditionally
+ // remove src/runtime/z* unconditionally,
+ // except leave zgoos and zgoarch, now maintained with go generate.
vreset(&dir);
bpathf(&path, "%s/src/runtime", goroot);
xreaddir(&dir, bstr(&path));
for(j=0; j<dir.len; j++) {
- if(hasprefix(dir.p[j], "z"))
+ if(hasprefix(dir.p[j], "z") && !hasprefix(dir.p[j], "zg"))
xremove(bpathf(&b, "%s/%s", bstr(&path), dir.p[j]));
}
bfree(&exp);
}
-// mkzgoarch writes zgoarch_$GOARCH.go:
-//
-// package runtime
-// const theGoarch = <goarch>
-//
-void
-mkzgoarch(char *dir, char *file)
-{
- Buf b, out;
-
- USED(dir);
-
- binit(&b);
- binit(&out);
-
- bwritestr(&out, bprintf(&b,
- "// auto generated by go tool dist\n"
- "\n"
- "package runtime\n"
- "\n"
- "const theGoarch = `%s`\n", goarch));
-
- writefile(&out, file, 0);
-
- bfree(&b);
- bfree(&out);
-}
-
-// mkzgoos writes zgoos_$GOOS.go:
-//
-// package runtime
-// const theGoos = <goos>
-//
-void
-mkzgoos(char *dir, char *file)
-{
- Buf b, out;
-
- USED(dir);
-
- binit(&b);
- binit(&out);
-
- bwritestr(&out, "// auto generated by go tool dist\n\n");
-
- if(streq(goos, "linux")) {
- bwritestr(&out, "// +build !android\n\n");
- }
-
- bwritestr(&out, bprintf(&b,
- "package runtime\n"
- "\n"
- "const theGoos = `%s`\n", goos));
-
- writefile(&out, file, 0);
-
- bfree(&b);
- bfree(&out);
-}
-
#define MAXWINCB 2000 /* maximum number of windows callbacks allowed */
// mkzsys writes zsys_$GOOS_$GOARCH.s,
_BigEndian = 0
_CacheLineSize = 64
_RuntimeGogoBytes = 64
- _PhysPageSize = _NaCl*65536 + (1-_NaCl)*4096 // 4k normally; 64k on NaCl
+ _PhysPageSize = goos_nacl*65536 + (1-goos_nacl)*4096 // 4k normally; 64k on NaCl
_PCQuantum = 1
_Int64Align = 4
)
thechar = '6'
_BigEndian = 0
_CacheLineSize = 64
- _RuntimeGogoBytes = 64 + (_Plan9|_Solaris|_Windows)*16
+ _RuntimeGogoBytes = 64 + (goos_plan9|goos_solaris|goos_windows)*16
_PhysPageSize = 4096
_PCQuantum = 1
_Int64Align = 8
_BigEndian = 0
_CacheLineSize = 32
_RuntimeGogoBytes = 60
- _PhysPageSize = 65536*_NaCl + 4096*(1-_NaCl)
+ _PhysPageSize = 65536*goos_nacl + 4096*(1-goos_nacl)
_PCQuantum = 4
_Int64Align = 4
)
--- /dev/null
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+package main
+
+import (
+ "bytes"
+ "fmt"
+ "io/ioutil"
+ "log"
+ "strconv"
+ "strings"
+)
+
+var gooses, goarches []string
+
+func main() {
+ data, err := ioutil.ReadFile("../go/build/syslist.go")
+ if err != nil {
+ log.Fatal(err)
+ }
+ const (
+ goosPrefix = `const goosList = `
+ goarchPrefix = `const goarchList = `
+ )
+ for _, line := range strings.Split(string(data), "\n") {
+ if strings.HasPrefix(line, goosPrefix) {
+ text, err := strconv.Unquote(strings.TrimPrefix(line, goosPrefix))
+ if err != nil {
+ log.Fatalf("parsing goosList %#q: %v", strings.TrimPrefix(line, goosPrefix), err)
+ }
+ gooses = strings.Fields(text)
+ }
+ if strings.HasPrefix(line, goarchPrefix) {
+ text, err := strconv.Unquote(strings.TrimPrefix(line, goarchPrefix))
+ if err != nil {
+ log.Fatal("parsing goarchList: %v", err)
+ }
+ goarches = strings.Fields(text)
+ }
+ }
+
+ for _, target := range gooses {
+ var buf bytes.Buffer
+ fmt.Fprintf(&buf, "// generated by gengoos.go using 'go generate'\n\n")
+ fmt.Fprintf(&buf, "// +build %s\n\n", target) // usually redundant, but not always; see linux vs android
+ fmt.Fprintf(&buf, "package runtime\n\n")
+ fmt.Fprintf(&buf, "const theGoos = `%s`\n\n", target)
+ for _, goos := range gooses {
+ value := 0
+ if goos == target {
+ value = 1
+ }
+ fmt.Fprintf(&buf, "const goos_%s = %d\n", goos, value)
+ }
+ err := ioutil.WriteFile("zgoos_"+target+".go", buf.Bytes(), 0666)
+ if err != nil {
+ log.Fatal(err)
+ }
+ }
+
+ for _, target := range goarches {
+ var buf bytes.Buffer
+ fmt.Fprintf(&buf, "// generated by gengoos.go using 'go generate'\n\n")
+ fmt.Fprintf(&buf, "package runtime\n\n")
+ fmt.Fprintf(&buf, "const theGoarch = `%s`\n\n", target)
+ for _, goarch := range goarches {
+ value := 0
+ if goarch == target {
+ value = 1
+ }
+ fmt.Fprintf(&buf, "const goarch_%s = %d\n", goarch, value)
+ }
+ err := ioutil.WriteFile("zgoarch_"+target+".go", buf.Bytes(), 0666)
+ if err != nil {
+ log.Fatal(err)
+ }
+ }
+}
// See http://golang.org/issue/5402 and http://golang.org/issue/5236.
// On other 64-bit platforms, we limit the arena to 128GB, or 37 bits.
// On 32-bit, we don't bother limiting anything, so we use the full 32-bit address.
- _MHeapMap_TotalBits = (_64bit*_Windows)*35 + (_64bit*(1-_Windows))*37 + (1-_64bit)*32
+ _MHeapMap_TotalBits = (_64bit*goos_windows)*35 + (_64bit*(1-goos_windows))*37 + (1-_64bit)*32
_MHeapMap_Bits = _MHeapMap_TotalBits - _PageShift
_MaxMem = uintptr(1<<_MHeapMap_TotalBits - 1)
_Pdead
)
-// XXX inserting below here
+// The next line makes 'go generate' write the zgen_*.go files with
+// per-OS and per-arch information, including constants
+// named goos_$GOOS and goarch_$GOARCH for every
+// known GOOS and GOARCH. The constant is 1 on the
+// current system, 0 otherwise; multiplying by them is
+// useful for defining GOOS- or GOARCH-specific constants.
+//go:generate go run gengoos.go
type mutex struct {
// Futex-based impl treats it as uint32 key,
fun [0]uintptr
}
-const (
- // TODO: Generate in cmd/dist.
- _NaCl = 0
- _Windows = 0
- _Solaris = 0
- _Plan9 = 0
-)
-
// Lock-free stack node.
type lfnode struct {
next *lfnode
}
/* TODO
- if _Windows && gp.m != nil && gp.m.libcallsp != 0 {
+ if goos_windows && gp.m != nil && gp.m.libcallsp != 0 {
return
}
*/
// to each stack below the usual guard area for OS-specific
// purposes like signal handling. Used on Windows and on
// Plan 9 because they do not use a separate stack.
- _StackSystem = _Windows*512*ptrSize + _Plan9*512
+ _StackSystem = goos_windows*512*ptrSize + goos_plan9*512
// The minimum size of stack used by Go code
_StackMin = 2048
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+package runtime
+
+const theGoarch = `386`
+
+const goarch_386 = 1
+const goarch_amd64 = 0
+const goarch_amd64p32 = 0
+const goarch_arm = 0
+const goarch_power64 = 0
+const goarch_power64le = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+package runtime
+
+const theGoarch = `amd64`
+
+const goarch_386 = 0
+const goarch_amd64 = 1
+const goarch_amd64p32 = 0
+const goarch_arm = 0
+const goarch_power64 = 0
+const goarch_power64le = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+package runtime
+
+const theGoarch = `amd64p32`
+
+const goarch_386 = 0
+const goarch_amd64 = 0
+const goarch_amd64p32 = 1
+const goarch_arm = 0
+const goarch_power64 = 0
+const goarch_power64le = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+package runtime
+
+const theGoarch = `arm`
+
+const goarch_386 = 0
+const goarch_amd64 = 0
+const goarch_amd64p32 = 0
+const goarch_arm = 1
+const goarch_power64 = 0
+const goarch_power64le = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+package runtime
+
+const theGoarch = `power64`
+
+const goarch_386 = 0
+const goarch_amd64 = 0
+const goarch_amd64p32 = 0
+const goarch_arm = 0
+const goarch_power64 = 1
+const goarch_power64le = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+package runtime
+
+const theGoarch = `power64le`
+
+const goarch_386 = 0
+const goarch_amd64 = 0
+const goarch_amd64p32 = 0
+const goarch_arm = 0
+const goarch_power64 = 0
+const goarch_power64le = 1
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build android
+
+package runtime
+
+const theGoos = `android`
+
+const goos_android = 1
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build darwin
+
+package runtime
+
+const theGoos = `darwin`
+
+const goos_android = 0
+const goos_darwin = 1
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build dragonfly
+
+package runtime
+
+const theGoos = `dragonfly`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 1
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build freebsd
+
+package runtime
+
+const theGoos = `freebsd`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 1
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build linux
+
+package runtime
+
+const theGoos = `linux`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 1
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build nacl
+
+package runtime
+
+const theGoos = `nacl`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 1
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build netbsd
+
+package runtime
+
+const theGoos = `netbsd`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 1
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build openbsd
+
+package runtime
+
+const theGoos = `openbsd`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 1
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build plan9
+
+package runtime
+
+const theGoos = `plan9`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 1
+const goos_solaris = 0
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build solaris
+
+package runtime
+
+const theGoos = `solaris`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 1
+const goos_windows = 0
--- /dev/null
+// generated by gengoos.go using 'go generate'
+
+// +build windows
+
+package runtime
+
+const theGoos = `windows`
+
+const goos_android = 0
+const goos_darwin = 0
+const goos_dragonfly = 0
+const goos_freebsd = 0
+const goos_linux = 0
+const goos_nacl = 0
+const goos_netbsd = 0
+const goos_openbsd = 0
+const goos_plan9 = 0
+const goos_solaris = 0
+const goos_windows = 1