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Diffstat (limited to 'src/cmd/newlink/testdata/dead.s')
| -rw-r--r-- | src/cmd/newlink/testdata/dead.s | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/cmd/newlink/testdata/dead.s b/src/cmd/newlink/testdata/dead.s new file mode 100644 index 0000000000..86f31360fa --- /dev/null +++ b/src/cmd/newlink/testdata/dead.s @@ -0,0 +1,48 @@ +// Copyright 2014 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. + +// Test of dead code removal. +// Symbols with names beginning with dead_ should be discarded. +// Others should be kept. + +TEXT start(SB),7,$0 // start symbol + MOVQ $data1<>(SB), AX + CALL text1(SB) + MOVQ $text2(SB), BX + RET + +TEXT text1(SB),7,$0 + FUNCDATA $1, funcdata+4(SB) + RET + +TEXT text2(SB),7,$0 + MOVQ $runtime·edata(SB),BX + RET + +DATA data1<>+0(SB)/8, $data2(SB) +DATA data1<>+8(SB)/8, $data3(SB) +GLOBL data1<>(SB), $16 +GLOBL data2(SB), $1 +GLOBL data3(SB), $1 +GLOBL funcdata(SB), $8 + +TEXT dead_start(SB),7,$0 + MOVQ $dead_data1(SB), AX + CALL dead_text1(SB) + MOVQ $dead_text2(SB), BX + RET + +TEXT dead_text1(SB),7,$0 + FUNCDATA $1, dead_funcdata+4(SB) + RET + +TEXT dead_text2(SB),7,$0 + RET + +DATA dead_data1+0(SB)/8, $dead_data2(SB) +DATA dead_data1+8(SB)/8, $dead_data3(SB) +GLOBL dead_data1(SB), $16 +GLOBL dead_data2(SB), $1 +GLOBL dead_data3(SB), $1 +GLOBL dead_funcdata(SB), $8 |