languages/go
languages/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-07-20 17:48:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[dev.typeparams] cmd/link: take function address in assembly in TestFuncAlign

Browse source 
In TestFuncAlign we want to get the address of an assembly
function. Take the address in assembly, so we get the actual
function's address, not the wrapper's.

Change-Id: Idc1fe2c8426562c70f8f7d6e489584ef059bc556
Reviewed-on: https://go-review.googlesource.com/c/go/+/324249
Trust: Cherry Mui <cherryyz@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
This commit is contained in:
Cherry Mui 2021-06-01 19:16:33 -04:00
parent 95c618e99a
commit 9c054f4137
1 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/cmd/link/link_test.go
View file

@ -524,14 +524,13 @@ const testFuncAlignSrc = `
package main
import (
"fmt"
"reflect"
)
func alignPc()
var alignPcFnAddr uintptr
func main() {
addr := reflect.ValueOf(alignPc).Pointer()
if (addr % 512) != 0 {
fmt.Printf("expected 512 bytes alignment, got %v\n", addr)
if alignPcFnAddr % 512 != 0 {
fmt.Printf("expected 512 bytes alignment, got %v\n", alignPcFnAddr)
} else {
fmt.Printf("PASS")
}
@ -546,6 +545,9 @@ TEXT ·alignPc(SB),NOSPLIT, $0-0
PCALIGN $512
MOVD $3, R1
RET
GLOBL ·alignPcFnAddr(SB),RODATA,$8
DATA ·alignPcFnAddr(SB)/8,$·alignPc(SB)
`
// TestFuncAlign verifies that the address of a function can be aligned