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| author | Joel Sing <joel@sing.id.au> | 2020-05-19 18:56:01 +1000 |
|---|---|---|
| committer | Joel Sing <joel@sing.id.au> | 2020-11-03 12:59:51 +0000 |
| commit | 393f2bb067088cdbdb8d5848e6880b2ce65ddaf9 (patch) | |
| tree | 91d346ce5c6d3019b935a5f5c511338556009c65 /misc | |
| parent | 974def803ee9fd03a755014dcb62d55105c846f1 (diff) | |
| download | go-393f2bb067088cdbdb8d5848e6880b2ce65ddaf9.tar.gz go-393f2bb067088cdbdb8d5848e6880b2ce65ddaf9.zip | |
cmd/dist,cmd/go,runtime: add support for cgo on linux/riscv64
Fixes #36641
Change-Id: I51868d83ce341d78d33b221d184c5a5110c60d14
Reviewed-on: https://go-review.googlesource.com/c/go/+/263598
Trust: Joel Sing <joel@sing.id.au>
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/cgo/test/testdata/issue9400/asm_riscv64.s | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/misc/cgo/test/testdata/issue9400/asm_riscv64.s b/misc/cgo/test/testdata/issue9400/asm_riscv64.s new file mode 100644 index 0000000000..20fcc0066d --- /dev/null +++ b/misc/cgo/test/testdata/issue9400/asm_riscv64.s @@ -0,0 +1,31 @@ +// Copyright 2020 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. + +// +build riscv64 +// +build !gccgo + +#include "textflag.h" + +TEXT ·RewindAndSetgid(SB),NOSPLIT|NOFRAME,$0-0 + // Rewind stack pointer so anything that happens on the stack + // will clobber the test pattern created by the caller + ADD $(1024*8), X2 + + // Ask signaller to setgid + MOV $1, X5 + FENCE + MOVW X5, ·Baton(SB) + FENCE + + // Wait for setgid completion +loop: + FENCE + MOVW ·Baton(SB), X5 + OR X6, X6, X6 // hint that we're in a spin loop + BNE ZERO, X5, loop + FENCE + + // Restore stack + ADD $(-1024*8), X2 + RET |