38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
## Copyright (C) 2016 Jeremiah Orians
|
|
## This file is part of stage0.
|
|
##
|
|
## stage0 is free software: you an 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/>.
|
|
// CONSTANT NULL 0
|
|
|
|
void* malloc(int size)
|
|
{
|
|
asm("STORE_eax_into_ESP_IMMEDIATE8 !4"
|
|
"PUSH_eax"
|
|
"LOAD_IMMEDIATE_eax %45"
|
|
"LOAD_IMMEDIATE_ebx %0"
|
|
"INT_80"
|
|
"POP_ebx"
|
|
"ADD_eax_to_ebx"
|
|
"PUSH_eax"
|
|
"PUSH_ebx"
|
|
"LOAD_IMMEDIATE_eax %45"
|
|
"INT_80"
|
|
"POP_ebx"
|
|
"CMP"
|
|
"POP_eax"
|
|
"JUMP_EQ8 !FUNCTION_malloc_Done"
|
|
"LOAD_IMMEDIATE_eax %-1"
|
|
":FUNCTION_malloc_Done");
|
|
}
|