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AROS: Startup code for x64

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git-svn-id: trunk@31165 -
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marcus 2015-06-28 14:51:50 +00:00
parent 56ae2ad6bc
commit 627d63e7af
2 changed files with 71 additions and 0 deletions
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.gitattributes vendored
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@ -8111,6 +8111,7 @@ rtl/aros/i386/utild2.inc svneol=native#text/plain
rtl/aros/i386/utilf.inc svneol=native#text/plain
rtl/aros/system.pp svneol=native#text/plain
rtl/aros/timerd.inc svneol=native#text/plain
rtl/aros/x86_64/prt0.as svneol=native#text/plain
rtl/atari/Makefile svneol=native#text/plain
rtl/atari/Makefile.fpc svneol=native#text/plain
rtl/atari/prt0.as svneol=native#text/plain

70
rtl/aros/x86_64/prt0.as Normal file
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@ -0,0 +1,70 @@
#
# This file is part of the Free Pascal run time library.
# Copyright (c) 2015 by Marcus Sackrow
#
# AROS x86_64 startup code
#
# See the file COPYING.FPC, included in this distribution,
# for details about the copyright.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY;without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
#**********************************************************************}
# AROS startup code
.text
.align 8
.section .aros.startup, "ax"
.globl start
.globl _start
.type _start,@function
_start:
start:
# save registers, suggested by
# System V Application Binary Interface
# AMD64 Architecture Processor Support
# 0.99.6 page 21 Fig. 3.4
push %rbp
push %rbx
push %r12
push %r13
push %r14
push %r15
movq %rdx, _ExecBase
movq %rsp, STKPTR
# todo: stack change (see i386)
callq PASCALMAIN
jmpq _haltproc
.globl _haltproc
.type _haltproc,@function
_haltproc:
movslq operatingsystem_result,%rax
mov STKPTR, %rsp
pop %r15
pop %r14
pop %r13
pop %r12
pop %rbx
pop %rbp
ret
.data
.globl __data_start
__data_start:
.long 0
.weak data_start
data_start = __data_start
.bss
.type STKPTR,@object
.size STKPTR,8
.global STKPTR
STKPTR: .skip 8
.type _ExecBase,@object
.size _ExecBase,8
.global _ExecBase
_ExecBase: .skip 8