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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_windows_386.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_windows_386.s')
-rw-r--r--src/runtime/rt0_windows_386.s47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/runtime/rt0_windows_386.s b/src/runtime/rt0_windows_386.s
new file mode 100644
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--- /dev/null
+++ b/src/runtime/rt0_windows_386.s
@@ -0,0 +1,47 @@
+// Copyright 2009 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_386_windows(SB),NOSPLIT,$0
+ JMP _rt0_386(SB)
+
+// When building with -buildmode=(c-shared or c-archive), this
+// symbol is called. For dynamic libraries it is called when the
+// library is loaded. For static libraries it is called when the
+// final executable starts, during the C runtime initialization
+// phase.
+TEXT _rt0_386_windows_lib(SB),NOSPLIT,$0x1C
+ MOVL BP, 0x08(SP)
+ MOVL BX, 0x0C(SP)
+ MOVL AX, 0x10(SP)
+ MOVL CX, 0x14(SP)
+ MOVL DX, 0x18(SP)
+
+ // Create a new thread to do the runtime initialization and return.
+ MOVL _cgo_sys_thread_create(SB), AX
+ MOVL $_rt0_386_windows_lib_go(SB), 0x00(SP)
+ MOVL $0, 0x04(SP)
+
+ // Top two items on the stack are passed to _cgo_sys_thread_create
+ // as parameters. This is the calling convention on 32-bit Windows.
+ CALL AX
+
+ MOVL 0x08(SP), BP
+ MOVL 0x0C(SP), BX
+ MOVL 0x10(SP), AX
+ MOVL 0x14(SP), CX
+ MOVL 0x18(SP), DX
+ RET
+
+TEXT _rt0_386_windows_lib_go(SB),NOSPLIT,$0
+ PUSHL $0
+ PUSHL $0
+ JMP runtime·rt0_go(SB)
+
+TEXT _main(SB),NOSPLIT,$0
+ // Remove the return address from the stack.
+ // rt0_go doesn't expect it to be there.
+ ADDL $4, SP
+ JMP runtime·rt0_go(SB)