27e1aee7ef
- update of the configure example git-svn-id: http://svn.lfbs.rwth-aachen.de/svn/scc/trunk/MetalSVM@98 315a16e6-25f9-4109-90ae-ca3045a26c18
75 lines
1.7 KiB
NASM
75 lines
1.7 KiB
NASM
;
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; Copyright 2010 Stefan Lankes, Chair for Operating Systems,
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; RWTH Aachen University
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;
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; Licensed under the Apache License, Version 2.0 (the "License");
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; you may not use this file except in compliance with the License.
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; You may obtain a copy of the License at
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;
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; http://www.apache.org/licenses/LICENSE-2.0
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;
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; Unless required by applicable law or agreed to in writing, software
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; distributed under the License is distributed on an "AS IS" BASIS,
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; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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; See the License for the specific language governing permissions and
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; limitations under the License.
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;
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; This file is part of metalsvm.
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[BITS 32]
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SECTION .data
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cmdline DB "cmdline", 0
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argv DD 0, 0
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SECTION .text
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global _start
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extern main
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extern __do_global_dtors
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extern __do_global_ctors
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extern hardware_init_hook
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extern software_init_hook
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extern atexit
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extern exit
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_start:
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; call init hooks, if any exists
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lea eax, [hardware_init_hook]
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cmp eax, 0
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je L1
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call eax
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L1:
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lea eax, [software_init_hook]
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cmp eax, 0
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je L2
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call eax
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L2:
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; register a function to be called at normal process termination
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push __do_global_dtors
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call atexit
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pop eax
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; call init function
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call __do_global_ctors
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; build argc/argv pair and then push
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; them onto the stack...
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mov [argv+0], DWORD cmdline
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mov eax, [esp+4]
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mov [argv+4], eax
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push argv
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push 2
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; call the user's function
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call main
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; remove argc/argv pair
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add esp, 8
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; call exit from the C library so atexit gets called, and the
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; C++ destructors get run. This calls our exit routine below
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; when it's done.
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; call "exit"
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push eax
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call exit
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; endless loop
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jmp $
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