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e1978a2d7a
On AIX, cmd/link needs two information in order to generate a dynamic import, the library and its object needed. Currently, cmd/link isn't able to retrieve this object only with the name of the library. Therefore, the library pattern in cgo_import_dynamic must be "lib.a/obj.o". Change-Id: Ib8b8aaa9807c9fa6af46ece4e312d58073ed6ec1 Reviewed-on: https://go-review.googlesource.com/c/146957 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
121 lines
3.6 KiB
Go
121 lines
3.6 KiB
Go
// Copyright 2016 The Go 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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package gc
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import (
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"cmd/compile/internal/syntax"
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"reflect"
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"runtime"
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"testing"
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)
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func eq(a, b []string) bool {
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if len(a) != len(b) {
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return false
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}
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for i := 0; i < len(a); i++ {
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if a[i] != b[i] {
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return false
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}
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}
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return true
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}
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func TestPragmaFields(t *testing.T) {
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var tests = []struct {
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in string
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want []string
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}{
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{"", []string{}},
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{" \t ", []string{}},
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{`""""`, []string{`""`, `""`}},
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{" a'b'c ", []string{"a'b'c"}},
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{"1 2 3 4", []string{"1", "2", "3", "4"}},
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{"\n☺\t☹\n", []string{"☺", "☹"}},
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{`"1 2 " 3 " 4 5"`, []string{`"1 2 "`, `3`, `" 4 5"`}},
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{`"1""2 3""4"`, []string{`"1"`, `"2 3"`, `"4"`}},
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{`12"34"`, []string{`12`, `"34"`}},
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{`12"34 `, []string{`12`}},
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}
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for _, tt := range tests {
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got := pragmaFields(tt.in)
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if !eq(got, tt.want) {
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t.Errorf("pragmaFields(%q) = %v; want %v", tt.in, got, tt.want)
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continue
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}
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}
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}
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func TestPragcgo(t *testing.T) {
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type testStruct struct {
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in string
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want []string
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}
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var tests = []testStruct{
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{`go:cgo_export_dynamic local`, []string{`cgo_export_dynamic`, `local`}},
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{`go:cgo_export_dynamic local remote`, []string{`cgo_export_dynamic`, `local`, `remote`}},
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{`go:cgo_export_dynamic local' remote'`, []string{`cgo_export_dynamic`, `local'`, `remote'`}},
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{`go:cgo_export_static local`, []string{`cgo_export_static`, `local`}},
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{`go:cgo_export_static local remote`, []string{`cgo_export_static`, `local`, `remote`}},
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{`go:cgo_export_static local' remote'`, []string{`cgo_export_static`, `local'`, `remote'`}},
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{`go:cgo_import_dynamic local`, []string{`cgo_import_dynamic`, `local`}},
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{`go:cgo_import_dynamic local remote`, []string{`cgo_import_dynamic`, `local`, `remote`}},
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{`go:cgo_import_static local`, []string{`cgo_import_static`, `local`}},
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{`go:cgo_import_static local'`, []string{`cgo_import_static`, `local'`}},
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{`go:cgo_dynamic_linker "/path/"`, []string{`cgo_dynamic_linker`, `/path/`}},
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{`go:cgo_dynamic_linker "/p ath/"`, []string{`cgo_dynamic_linker`, `/p ath/`}},
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{`go:cgo_ldflag "arg"`, []string{`cgo_ldflag`, `arg`}},
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{`go:cgo_ldflag "a rg"`, []string{`cgo_ldflag`, `a rg`}},
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}
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if runtime.GOOS != "aix" {
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tests = append(tests, []testStruct{
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{`go:cgo_import_dynamic local remote "library"`, []string{`cgo_import_dynamic`, `local`, `remote`, `library`}},
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{`go:cgo_import_dynamic local' remote' "lib rary"`, []string{`cgo_import_dynamic`, `local'`, `remote'`, `lib rary`}},
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}...)
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} else {
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// cgo_import_dynamic with a library is slightly different on AIX
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// as the library field must follow the pattern [libc.a/object.o].
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tests = append(tests, []testStruct{
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{`go:cgo_import_dynamic local remote "lib.a/obj.o"`, []string{`cgo_import_dynamic`, `local`, `remote`, `lib.a/obj.o`}},
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// This test must fail.
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{`go:cgo_import_dynamic local' remote' "library"`, []string{`<unknown position>: usage: //go:cgo_import_dynamic local [remote ["lib.a/object.o"]]`}},
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}...)
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}
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var p noder
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var nopos syntax.Pos
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for _, tt := range tests {
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p.err = make(chan syntax.Error)
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gotch := make(chan [][]string)
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go func() {
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p.pragcgobuf = nil
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p.pragcgo(nopos, tt.in)
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if p.pragcgobuf != nil {
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gotch <- p.pragcgobuf
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}
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}()
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select {
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case e := <-p.err:
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want := tt.want[0]
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if e.Error() != want {
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t.Errorf("pragcgo(%q) = %q; want %q", tt.in, e, want)
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continue
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}
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case got := <-gotch:
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want := [][]string{tt.want}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("pragcgo(%q) = %q; want %q", tt.in, got, want)
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continue
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}
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}
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}
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}
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