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go/src/runtime/rt0_openbsd_386.s

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runtime: add runtime support for openbsd 386 Add openbsd 386 runtime support, partially based on the existing freebsd 386 runtime. This requires change 4973043. R=golang-dev, rsc CC=golang-dev https://golang.org/cl/4951043
2011-08-29 08:42:16 -06:00
// 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.
runtime: use new #include "textflag.h" I did this just to clean things up, but it will be important when we drop the pkg directory later. LGTM=bradfitz R=r, bradfitz CC=golang-codereviews https://golang.org/cl/132600043
2014-09-04 21:05:18 -06:00
#include "textflag.h"
runtime: convert .s textflags from numbers to symbolic constants. Remove NOPROF/DUPOK from everything. Edits done with a script, except pclinetest.asm which depended on the DUPOK flag on main(). R=golang-dev, bradfitz CC=golang-dev https://golang.org/cl/12613044
2013-08-07 13:20:05 -06:00
runtime: unify 386 entry point code Unify the 386 entry point code as much as possible. The main function could not be unified because on Windows 386 it is called _main. Putting main in asm_386.s caused multiple definition errors when using the external linker. Add the _lib entry point to various operating systems. A future CL will enable c-archive/c-shared mode for those targets. Fix _rt0_386_windows_lib_go--it was passing arguments as though it were amd64. Change-Id: Ic73f1c95cdbcbea87f633f4a29bbc218a5db4f58 Reviewed-on: https://go-review.googlesource.com/70530 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Austin Clements <austin@google.com>
2017-10-12 20:46:42 -06:00
TEXT _rt0_386_openbsd(SB),NOSPLIT,$0
JMP _rt0_386(SB)
TEXT _rt0_386_openbsd_lib(SB),NOSPLIT,$0
JMP _rt0_386_lib(SB)
runtime: change 386 startup convention Now the default startup is that the program begins at _rt0_386_$GOOS, which behaves as if calling main(argc, argv). Main jumps to _rt0_386. This makes the _rt0_386 entry match the expected semantics for the standard C "main" function, which we can now provide for use when linking against a standard C library. 386 analogue of https://golang.org/cl/7525043 R=golang-dev, r CC=golang-dev https://golang.org/cl/7551045
2013-03-07 20:57:10 -07:00
runtime: convert .s textflags from numbers to symbolic constants. Remove NOPROF/DUPOK from everything. Edits done with a script, except pclinetest.asm which depended on the DUPOK flag on main(). R=golang-dev, bradfitz CC=golang-dev https://golang.org/cl/12613044
2013-08-07 13:20:05 -06:00
TEXT main(SB),NOSPLIT,$0
runtime: unify 386 entry point code Unify the 386 entry point code as much as possible. The main function could not be unified because on Windows 386 it is called _main. Putting main in asm_386.s caused multiple definition errors when using the external linker. Add the _lib entry point to various operating systems. A future CL will enable c-archive/c-shared mode for those targets. Fix _rt0_386_windows_lib_go--it was passing arguments as though it were amd64. Change-Id: Ic73f1c95cdbcbea87f633f4a29bbc218a5db4f58 Reviewed-on: https://go-review.googlesource.com/70530 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Austin Clements <austin@google.com>
2017-10-12 20:46:42 -06:00
// Remove the return address from the stack.
// rt0_go doesn't expect it to be there.
ADDL $4, SP
runtime: convert a few traceback-related functions from proc.c to traceback.go They were in proc.c mainly because there was no portable traceback source file. As part of converting them to Go, move to traceback.go. In order to get access to the PC of _rt0_go, rename to runtime.rt0_go. LGTM=r R=golang-codereviews, r CC=dvyukov, golang-codereviews, iant, khr https://golang.org/cl/139110043
2014-09-03 09:11:16 -06:00
JMP runtime·rt0_go(SB)
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