File:  [Apple XNU] / GNUtools / cc / config / i386 / next.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 17:45:47 2018 UTC (8 years, 2 months ago) by root
Branches: MAIN, Apple
CVS tags: HEAD, GNUtools33
GNU tools for NeXTSTEP 3.3

/* next.c:  Functions for NeXT as target machine for GNU C compiler.  */

/* Note that the include below means that we can't debug routines in
   i386.c when running on a COFF system.  */

#include "i386/i386.c"
#include "nextstep.c"

void
machopic_output_stub (file, symb, stub)
     FILE *file;
     const char *symb, *stub;
{
  static int label = 0;
  label += 1;

  if (MACHOPIC_PURE)
    machopic_picsymbol_stub_section ();
  else
    machopic_symbol_stub_section ();

  fprintf (file, "%s:\n", stub);
  fprintf (file, "\t.indirect_symbol %s\n", symb);

  if (MACHOPIC_PURE)
    {
      fprintf (file, "\tcall LPC$%d\nLPC$%d:\tpopl %%eax\n", label, label);
      fprintf (file, "\tmovl L%s$lazy_ptr-LPC$%d(%%eax),%%edx\n", symb, label);
      fprintf (file, "\tjmp %%edx\n");
    }
  else
    {
      fprintf (file, "\tjmp *L%s$lazy_ptr\n", symb);
    }
  
  fprintf (file, "%s_binder:\n", stub);
  
  if (MACHOPIC_PURE)
    {
      fprintf (file, "\tlea L%s$lazy_ptr-LPC$%d(%%eax),%%eax\n", symb, label);
      fprintf (file, "\tpushl %%eax\n");
    }
  else
    {
      fprintf (file, "\t pushl $L%s$lazy_ptr\n", symb);
    }

  fprintf (file, "\tjmp dyld_stub_binding_helper\n");

  machopic_lazy_symbol_ptr_section ();
  fprintf (file, "L%s$lazy_ptr:\n", symb);
  fprintf (file, "\t.indirect_symbol %s\n", symb);
  fprintf (file, "\t.long %s_binder\n", stub);
}


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