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- ## Copyright (C) 2017 Jeremiah Orians
- ## This file is part of stage0.
- ##
- ## stage0 is free software: you can redistribute it and/or modify
- ## it under the terms of the GNU General Public License as published by
- ## the Free Software Foundation, either version 3 of the License, or
- ## (at your option) any later version.
- ##
- ## stage0 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. See the
- ## GNU General Public License for more details.
- ##
- ## You should have received a copy of the GNU General Public License
- ## along with stage0. If not, see <http://www.gnu.org/licenses/>.
- :_start
- PUSH_ebp
- MOVE_esp_To_ebp
- SUB_Immediate8_From_esp !64
- CALLI32 %main
- ADD_Immediate8_To_esp !0
- STORE_eax_To_ebp_offset8 !-4
- # exit(r);
- PUSH_ebp_offset8 !-4
- CALLI32 %exit
- ADD_Immediate8_To_esp !4
- TEST_eax_eax
- LEAVE
- RETURN
- :_env
- PUSH_ebp
- MOVE_esp_To_ebp
- SUB_Immediate8_From_esp !64
- LOAD_eax_From_ebp_offset8 !8
- LEAVE
- RETURN
- :exit
- PUSH_ebp
- MOVE_esp_To_ebp
- SUB_Immediate8_From_esp !64
- LOAD_ebx_From_ebp_offset8 !8
- LOADI32_eax %1
- INT_80
- LEAVE
- RETURN
- :write
- PUSH_ebp
- MOVE_esp_To_ebp
- SUB_Immediate8_From_esp !64
- LOAD_ebx_From_ebp_offset8 !8
- LOAD_ecx_From_ebp_offset8 !12
- LOAD_edx_From_ebp_offset8 !16
- LOADI32_eax %4
- INT_80
- LEAVE
- RETURN
- :strlen
- # while (s[i]) ...
- PUSH_ebp
- MOVE_esp_To_ebp
- SUB_Immediate8_From_esp !64
- STORE_To_ebp_offset8_Immediate32 !-4 %0
- JUMP32 %strlen_1
- :strlen_0
- LOAD_eax_From_ebp_offset8 !-4
- ADD_To_ebp_offset8_Immediate8 !-4 !1
- TEST_eax_eax
- :strlen_1
- LOAD_eax_From_ebp_offset8 !-4
- COPY_edx_To_eax
- LOAD_edx_From_ebp_offset8 !8
- ADD_eax_To_edx
- LOAD8_eax_From_eax_pointer
- TEST_eax_eax
- TEST_eax_eax
- TEST_al_al
- JZ8 !strlen_2
- JUMP32 %strlen_0
- :strlen_2
- LOAD_eax_From_ebp_offset8 !-4
- LEAVE
- RETURN
- :eputs
- PUSH_ebp
- MOVE_esp_To_ebp
- SUB_Immediate8_From_esp !64
- PUSH_ebp_offset8 !8
- CALLI32 %strlen
- ADD_Immediate8_To_esp !4
- STORE_eax_To_ebp_offset8 !-4
- # write(2, s, i);
- PUSH_ebp_offset8 !-4
- PUSH_ebp_offset8 !8
- LOADI32_eax %2
- PUSH_eax
- CALLI32 %write
- ADD_Immediate8_To_esp !12
- TEST_eax_eax
- LOADI32_eax %0
- LEAVE
- RETURN
- #.data
- :g_stdin
- '00 00 00 00'
- :g_environment
- '00 00 00 00'
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