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Delta Between Two Patch Sets: src/pkg/runtime/race/race.go

Issue 55100044: code review 55100044: runtime: use custom thunks for race calls instead of cgo (Closed)
Left Patch Set: diff -r 09a55add2bb5 https://dvyukov%40google.com@code.google.com/p/go/ Created 10 years, 2 months ago
Right Patch Set: diff -r 340da08f5f54 https://dvyukov%40google.com@code.google.com/p/go/ Created 10 years ago
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LEFTRIGHT
1 // Copyright 2012 The Go Authors. All rights reserved. 1 // Copyright 2012 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style 2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file. 3 // license that can be found in the LICENSE file.
4 4
5 // +build race,linux,amd64 race,darwin,amd64 race,windows,amd64 5 // +build race,linux,amd64 race,darwin,amd64 race,windows,amd64
6 6
7 package race 7 package race
8 8
9 /* 9 // This file merely ensures that we link in runtime/cgo in race build,
10 void __tsan_init(void **racectx); 10 // this is turn ensures that runtime uses pthread_create to create threads.
11 */ 11 // The prebuilt race runtime lives in race_GOOS_GOARCH.syso.
12 // Calls to the runtime are done directly from src/pkg/runtime/race.c.
13
14 // void __race_unused_func(void);
12 import "C" 15 import "C"
13
14 import (
15 "runtime"
16 )
17
18 //export __tsan_symbolize
19 func __tsan_symbolize(pc uintptr, fun, file **C.char, line, off *C.int) C.int {
20 f := runtime.FuncForPC(pc)
21 if f == nil {
22 *fun = C.CString("??")
23 *file = C.CString("-")
24 *line = 0
25 *off = C.int(pc)
26 return 1
27 }
28 fi, l := f.FileLine(pc)
29 *fun = C.CString(f.Name())
30 *file = C.CString(fi)
31 *line = C.int(l)
32 *off = C.int(pc - f.Entry())
33 return 1
34 }
LEFTRIGHT

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