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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /src/runtime/rt0_linux_mips64x.s
parentInitial commit. (diff)
downloadgolang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz
golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/rt0_linux_mips64x.s')
-rw-r--r--src/runtime/rt0_linux_mips64x.s39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/runtime/rt0_linux_mips64x.s b/src/runtime/rt0_linux_mips64x.s
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--- /dev/null
+++ b/src/runtime/rt0_linux_mips64x.s
@@ -0,0 +1,39 @@
+// Copyright 2015 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 linux
+// +build mips64 mips64le
+
+#include "textflag.h"
+
+TEXT _rt0_mips64_linux(SB),NOSPLIT,$0
+ JMP _main<>(SB)
+
+TEXT _rt0_mips64le_linux(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)