malloc.c 1.0 KB

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  1. /* Copyright (C) 2016 Jeremiah Orians
  2. * This file is part of M2-Planet.
  3. *
  4. * M2-Planet is free software: you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation, either version 3 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * M2-Planet is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with M2-Planet. If not, see <http://www.gnu.org/licenses/>.
  16. */
  17. void* malloc(int size)
  18. {
  19. asm("STORE_eax_into_ESP_IMMEDIATE8 !4"
  20. "PUSH_eax"
  21. "LOAD_IMMEDIATE_eax %45"
  22. "LOAD_IMMEDIATE_ebx %0"
  23. "INT_80"
  24. "POP_ebx"
  25. "ADD_eax_to_ebx"
  26. "PUSH_eax"
  27. "PUSH_ebx"
  28. "LOAD_IMMEDIATE_eax %45"
  29. "INT_80"
  30. "POP_ebx"
  31. "CMP"
  32. "POP_eax"
  33. "JUMP_EQ8 !FUNCTION_malloc_Done"
  34. "LOAD_IMMEDIATE_eax %-1"
  35. ":FUNCTION_malloc_Done");
  36. }