mirror of
https://github.com/golang/go
synced 2024-11-19 16:24:45 -07:00
21b4f234c7
The previous behaviour of installing the signal handlers in a separate thread meant that Go initialization raced with non-Go initialization if the non-Go initialization also wanted to install signal handlers. Make installing signal handlers synchronous so that the process-wide behavior is predictable. Update #9896. Change-Id: Ice24299877ec46f8518b072a381932d273096a32 Reviewed-on: https://go-review.googlesource.com/18150 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Crawshaw <crawshaw@golang.org>
76 lines
1.6 KiB
ArmAsm
76 lines
1.6 KiB
ArmAsm
// 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_darwin(SB),NOSPLIT,$8
|
|
MOVL 8(SP), AX
|
|
LEAL 12(SP), BX
|
|
MOVL AX, 0(SP)
|
|
MOVL BX, 4(SP)
|
|
CALL main(SB)
|
|
INT $3
|
|
|
|
// With -buildmode=c-archive, this symbol is called from a global constructor.
|
|
TEXT _rt0_386_darwin_lib(SB),NOSPLIT,$0
|
|
PUSHL BP
|
|
MOVL SP, BP
|
|
PUSHL BX
|
|
PUSHL SI
|
|
PUSHL DI
|
|
|
|
MOVL 8(BP), AX
|
|
MOVL AX, _rt0_386_darwin_lib_argc<>(SB)
|
|
MOVL 12(BP), AX
|
|
MOVL AX, _rt0_386_darwin_lib_argv<>(SB)
|
|
|
|
// Synchronous initialization.
|
|
MOVL $runtime·libpreinit(SB), AX
|
|
CALL AX
|
|
|
|
SUBL $12, SP
|
|
|
|
// Create a new thread to do the runtime initialization and return.
|
|
MOVL _cgo_sys_thread_create(SB), AX
|
|
TESTL AX, AX
|
|
JZ nocgo
|
|
MOVL $_rt0_386_darwin_lib_go(SB), BX
|
|
MOVL BX, 0(SP)
|
|
MOVL $0, 4(SP)
|
|
CALL AX
|
|
JMP restore
|
|
|
|
nocgo:
|
|
MOVL $0x800000, 0(SP) // stacksize = 8192KB
|
|
MOVL $_rt0_386_darwin_lib_go(SB), AX
|
|
MOVL AX, 4(SP) // fn
|
|
MOVL $0, 8(SP) // fnarg
|
|
MOVL $runtime·newosproc0(SB), AX
|
|
CALL AX
|
|
|
|
restore:
|
|
ADDL $12, SP
|
|
POPL DI
|
|
POPL SI
|
|
POPL BX
|
|
POPL BP
|
|
RET
|
|
|
|
TEXT _rt0_386_darwin_lib_go(SB),NOSPLIT,$12
|
|
MOVL _rt0_386_darwin_lib_argc<>(SB), AX
|
|
MOVL AX, 0(SP)
|
|
MOVL _rt0_386_darwin_lib_argv<>(SB), AX
|
|
MOVL AX, 4(SP)
|
|
MOVL $runtime·rt0_go(SB), AX
|
|
CALL AX
|
|
RET
|
|
|
|
DATA _rt0_386_darwin_lib_argc<>(SB)/4, $0
|
|
GLOBL _rt0_386_darwin_lib_argc<>(SB),NOPTR, $4
|
|
DATA _rt0_386_darwin_lib_argv<>(SB)/4, $0
|
|
GLOBL _rt0_386_darwin_lib_argv<>(SB),NOPTR, $4
|
|
|
|
TEXT main(SB),NOSPLIT,$0
|
|
JMP runtime·rt0_go(SB)
|