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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /test/asmhdr.dir/main.go
parentInitial commit. (diff)
downloadgolang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz
golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--test/asmhdr.dir/main.go72
1 files changed, 72 insertions, 0 deletions
diff --git a/test/asmhdr.dir/main.go b/test/asmhdr.dir/main.go
new file mode 100644
index 0000000..4e1813d
--- /dev/null
+++ b/test/asmhdr.dir/main.go
@@ -0,0 +1,72 @@
+// Copyright 2021 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.
+
+package main
+
+import "unsafe"
+
+const (
+ smallInt = 42
+
+ // For bigInt, we use a value that's too big for an int64, but still
+ // fits in uint64. go/constant uses a different representation for
+ // values larger than int64, but the cmd/asm parser can't parse
+ // anything bigger than a uint64.
+ bigInt = 0xffffffffffffffff
+
+ stringVal = "test"
+
+ longStringVal = "this_is_a_string_constant_longer_than_seventy_characters_which_used_to_fail_see_issue_50253"
+)
+
+var (
+ smallIntAsm int64
+ bigIntAsm uint64
+ stringAsm [len(stringVal)]byte
+ longStringAsm [len(longStringVal)]byte
+)
+
+type typ struct {
+ a uint64
+ b [100]uint8
+ c uint8
+}
+
+var (
+ typSize uint64
+
+ typA, typB, typC uint64
+)
+
+func main() {
+ if smallInt != smallIntAsm {
+ println("smallInt", smallInt, "!=", smallIntAsm)
+ }
+ if bigInt != bigIntAsm {
+ println("bigInt", uint64(bigInt), "!=", bigIntAsm)
+ }
+ if stringVal != string(stringAsm[:]) {
+ println("stringVal", stringVal, "!=", string(stringAsm[:]))
+ }
+ if longStringVal != string(longStringAsm[:]) {
+ println("longStringVal", longStringVal, "!=", string(longStringAsm[:]))
+ }
+
+ // We also include boolean consts in go_asm.h, but they're
+ // defined to be "true" or "false", and it's not clear how to
+ // use that in assembly.
+
+ if want := unsafe.Sizeof(typ{}); want != uintptr(typSize) {
+ println("typSize", want, "!=", typSize)
+ }
+ if want := unsafe.Offsetof(typ{}.a); want != uintptr(typA) {
+ println("typA", want, "!=", typA)
+ }
+ if want := unsafe.Offsetof(typ{}.b); want != uintptr(typB) {
+ println("typB", want, "!=", typB)
+ }
+ if want := unsafe.Offsetof(typ{}.c); want != uintptr(typC) {
+ println("typC", want, "!=", typC)
+ }
+}