src/system/glue/arch/x86/crti.S

   1 /*
   2  * Copyright 2005-2006, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 /**     This file contains the first part of the ".init" and ".fini" sections in
   7  *      the ELF executable.
   8  *      The functions defined here will be called during initialization/termination
   9  *      of the loaded executable/library. The ".init" and ".fini" sections are
  10  *      stacked together like this:
  11  *
  12  *      crti.S          entry point
  13  *                              call to _init_before/_term_before
  14  *      crtbegin.S      GCC specific: constructors/destructors are called, ...
  15  *      crtend.S
  16  *      crtn.S          call to _init_after/_term_after
  17  *                              exit
  18  */
  19
  20 #define FUNCTION(x) .global x; .type x,@function; x
  21
  22 .section .init
  23 FUNCTION(_init):
  24         pushl   %ebp
  25         movl    %esp, %ebp
  26         sub     $4,%esp         // Keep stack aligned
  27         pushl   8(%ebp)         // put image ID on the stack again
  28         call    __haiku_init_before
  29         // crtbegin.o stuff comes here
  30
  31 .section .fini
  32 FUNCTION(_fini):
  33         pushl   %ebp
  34         movl    %esp, %ebp
  35         sub     $4,%esp         // Keep stack aligned
  36         pushl   8(%ebp)
  37         call    __haiku_term_before
  38         // crtend.o stuff comes here