diff --git a/asm/goobj.go b/asm/goobj.go
index 66855a6..3f1087b 100644
--- a/asm/goobj.go
+++ b/asm/goobj.go
@@ -10,6 +10,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strings"
 	"sync"
 )
 
@@ -90,12 +91,50 @@ const (
 )
 
 // Relocation types (cmd/internal/objabi).
+// R_PCREL and R_ADDR are stable across Go versions.
 const (
-	relocPCRel       = 14  // R_PCREL
-	relocAddr        = 1   // R_ADDR
-	relocDWTXTADDRU4 = 106 // R_DWTXTADDR_U4
+	relocPCRel = 14 // R_PCREL
+	relocAddr  = 1  // R_ADDR
 )
 
+// relocDWTXTADDRU4 returns the R_DWTXTADDR_U4 relocation type for the
+// installed Go toolchain.  The value shifted between Go 1.26 (103) and
+// Go 1.27 (106) because new LoongArch relocations were inserted before it.
+func relocDWTXTADDRU4() uint16 {
+	if isGo127OrLater() {
+		return 106
+	}
+	return 103
+}
+
+var (
+	goVersionOnce sync.Once
+	goVersionGT26 bool
+)
+
+// isGo127OrLater reports whether the installed Go toolchain is 1.27 or later.
+func isGo127OrLater() bool {
+	goVersionOnce.Do(func() {
+		goBin, err := exec.LookPath("go")
+		if err != nil {
+			return
+		}
+		out, err := exec.Command(goBin, "version").Output()
+		if err != nil {
+			return
+		}
+		// "go version go1.27rc1 linux/amd64"
+		s := string(out)
+		for _, prefix := range []string{"go version go1.27", "go version go1.28", "go version go1.29", "go version go2."} {
+			if strings.Contains(s, prefix) {
+				goVersionGT26 = true
+				return
+			}
+		}
+	})
+	return goVersionGT26
+}
+
 // Special package indices for symbol references.
 const (
 	pkgIdxNone = 0x7fffffff
diff --git a/asm/goobj_dwarf.go b/asm/goobj_dwarf.go
index 6d79ffa..f26c517 100644
--- a/asm/goobj_dwarf.go
+++ b/asm/goobj_dwarf.go
@@ -181,7 +181,7 @@ func goobjDwarfInfo(fn FuncLayout, name string, fnNpIdx int) ([]byte, []goobjRel
 	out = append(out, 0) // end of children
 
 	relocs := []goobjReloc{{
-		off: int32(addrx), siz: 4, typ: relocDWTXTADDRU4,
+		off: int32(addrx), siz: 4, typ: relocDWTXTADDRU4(),
 		pkg: pkgIdxNone, sym: uint32(fnNpIdx),
 	}}
 	return out, relocs
diff --git a/asm/goobj_dwarf_test.go b/asm/goobj_dwarf_test.go
index 815297e..640e155 100644
--- a/asm/goobj_dwarf_test.go
+++ b/asm/goobj_dwarf_test.go
@@ -169,7 +169,7 @@ func TestGoobjDwarfInfo(t *testing.T) {
 	if !bytes.Equal(die, want) {
 		t.Errorf("DIE = %x, want %x", die, want)
 	}
-	if len(relocs) != 1 || relocs[0].off != 7 || relocs[0].siz != 4 || relocs[0].typ != relocDWTXTADDRU4 || relocs[0].sym != 3 {
+	if len(relocs) != 1 || relocs[0].off != 7 || relocs[0].siz != 4 || relocs[0].typ != relocDWTXTADDRU4() || relocs[0].sym != 3 {
 		t.Errorf("relocs = %+v", relocs)
 	}
 
diff --git a/asm/goobj_test.go b/asm/goobj_test.go
index f047075..0f235d6 100644
--- a/asm/goobj_test.go
+++ b/asm/goobj_test.go
@@ -186,7 +186,7 @@ DATA mask<>+8(SB)/8, $0x800f0e0d0c0b0a09
 		t.Errorf("addq lines reloc = %x", lr)
 	}
 	dr := relocs[23:46]
-	if dr[4] != 4 || le.Uint16(dr[5:]) != relocDWTXTADDRU4 ||
+	if dr[4] != 4 || le.Uint16(dr[5:]) != relocDWTXTADDRU4() ||
 		le.Uint32(dr[15:]) != pkgIdxNone || le.Uint32(dr[19:]) != 4 {
 		t.Errorf("addq DIE reloc = %x", dr)
 	}
diff --git a/asm/l64_goobj_test.go b/asm/l64_goobj_test.go
index 66aba09..75b7852 100644
--- a/asm/l64_goobj_test.go
+++ b/asm/l64_goobj_test.go
@@ -153,7 +153,7 @@ DATA ·table<>+0(SB)/8, $0x1122334455667788
 		t.Errorf("lines reloc = %x", lr)
 	}
 	dr := relocs[23:46]
-	if int32(le.Uint32(dr[0:])) != 13 || dr[4] != 4 || le.Uint16(dr[5:]) != relocDWTXTADDRU4 ||
+	if int32(le.Uint32(dr[0:])) != 13 || dr[4] != 4 || le.Uint16(dr[5:]) != relocDWTXTADDRU4() ||
 		le.Uint32(dr[15:]) != pkgIdxNone || le.Uint32(dr[19:]) != 4 {
 		t.Errorf("die reloc = %x", dr)
 	}