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| author | Joel Sing <joel@sing.id.au> | 2020-08-25 18:04:47 +1000 |
|---|---|---|
| committer | Joel Sing <joel@sing.id.au> | 2020-10-29 08:07:46 +0000 |
| commit | 55f8d56c31c7c940202c892e0e35d26930c6a8b0 (patch) | |
| tree | 99fa754622102e808377d452dc7bf8c46fe10b78 /src/runtime/rt0_openbsd_mips64.s | |
| parent | 8b517983048205932305905bc01a29bd146cb8d6 (diff) | |
| download | go-55f8d56c31c7c940202c892e0e35d26930c6a8b0.tar.gz go-55f8d56c31c7c940202c892e0e35d26930c6a8b0.zip | |
runtime: add support for openbsd/mips64
Update #40995
Change-Id: Ie028dfd87ef8731804567a0501f1f7758e8dd203
Reviewed-on: https://go-review.googlesource.com/c/go/+/250580
Trust: Joel Sing <joel@sing.id.au>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Joel Sing <joel@sing.id.au>
Diffstat (limited to 'src/runtime/rt0_openbsd_mips64.s')
| -rw-r--r-- | src/runtime/rt0_openbsd_mips64.s | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/runtime/rt0_openbsd_mips64.s b/src/runtime/rt0_openbsd_mips64.s new file mode 100644 index 0000000000..82a8dfaba6 --- /dev/null +++ b/src/runtime/rt0_openbsd_mips64.s @@ -0,0 +1,36 @@ +// 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. + +#include "textflag.h" + +TEXT _rt0_mips64_openbsd(SB),NOSPLIT,$0 + JMP _main<>(SB) + +TEXT _rt0_mips64le_openbsd(SB),NOSPLIT,$0 + JMP _main<>(SB) + +TEXT _main<>(SB),NOSPLIT|NOFRAME,$0 + // In a statically linked binary, the stack contains argc, + // argv as argc string pointers followed by a NULL, envv as a + // sequence of string pointers followed by a NULL, and auxv. + // There is no TLS base pointer. +#ifdef GOARCH_mips64 + MOVW 4(R29), R4 // argc, big-endian ABI places int32 at offset 4 +#else + MOVW 0(R29), R4 // argc +#endif + ADDV $8, R29, R5 // argv + JMP main(SB) + +TEXT main(SB),NOSPLIT|NOFRAME,$0 + // in external linking, glibc jumps to main with argc in R4 + // and argv in R5 + + // initialize REGSB = PC&0xffffffff00000000 + BGEZAL R0, 1(PC) + SRLV $32, R31, RSB + SLLV $32, RSB + + MOVV $runtime·rt0_go(SB), R1 + JMP (R1) |