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

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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
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10
src/cmd/link/link_test.go
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@ -524,14 +524,13 @@ const testFuncAlignSrc = `
package main package main
import ( import (
"fmt" "fmt"
"reflect"
) )
func alignPc() func alignPc()
var alignPcFnAddr uintptr
func main() { func main() {
addr := reflect.ValueOf(alignPc).Pointer() if alignPcFnAddr % 512 != 0 {
if (addr % 512) != 0 { fmt.Printf("expected 512 bytes alignment, got %v\n", alignPcFnAddr)
fmt.Printf("expected 512 bytes alignment, got %v\n", addr)
} else { } else {
fmt.Printf("PASS") fmt.Printf("PASS")
} }
@ -546,6 +545,9 @@ TEXT ·alignPc(SB),NOSPLIT, $0-0
PCALIGN $512 PCALIGN $512
MOVD $3, R1 MOVD $3, R1
RET RET
GLOBL ·alignPcFnAddr(SB),RODATA,$8
DATA ·alignPcFnAddr(SB)/8,$·alignPc(SB)
` `
// TestFuncAlign verifies that the address of a function can be aligned // TestFuncAlign verifies that the address of a function can be aligned