/* Test case for i386 preserved registers in dynamic linker.

   Copyright (C) 2015-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <dlfcn.h>

#include <stdint.h>

#include <stdio.h>

#include <stdlib.h>

#include <stddef.h>

#include <string.h>

#include <unistd.h>

#include <link.h>

#include <bits/wordsize.h>

#include <gnu/lib-names.h>

unsigned int

la_version (unsigned int v)

{

  setlinebuf (stdout);

  printf ("version: %u\n", v);

  char buf[20];

  sprintf (buf, "%u", v);

  return v;

}

void

la_activity (uintptr_t *cookie, unsigned int flag)

{

  const char *flagstr;

  switch (flag)

    {

    case LA_ACT_CONSISTENT:

      flagstr = "consistent";

      break;

    case LA_ACT_ADD:

      flagstr = "add";

      break;

    case LA_ACT_DELETE:

      flagstr = "delete";

      break;

    default:

      printf ("activity: unknown activity %u\n", flag);

      return;

    }

  printf ("activity: %s\n", flagstr);

}

char *

la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)

{

  const char *flagstr;

  switch (flag)

    {

    case LA_SER_ORIG:

      flagstr = "LA_SET_ORIG";

      break;

    case LA_SER_LIBPATH:

      flagstr = "LA_SER_LIBPATH";

      break;

    case LA_SER_RUNPATH:

      flagstr = "LA_SER_RUNPATH";

      break;

    case LA_SER_CONFIG:

      flagstr = "LA_SER_CONFIG";

      break;

    case LA_SER_DEFAULT:

      flagstr = "LA_SER_DEFAULT";

      break;

    case LA_SER_SECURE:

      flagstr = "LA_SER_SECURE";

      break;

    default:

      printf ("objsearch: %s, unknown flag %d\n", name, flag);

      return (char *) name;

    }

  printf ("objsearch: %s, %s\n", name, flagstr);

  return (char *) name;

}

unsigned int

la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie)

{

  printf ("objopen: %ld, %s\n", lmid, l->l_name);

  return 3;

}

void

la_preinit (uintptr_t *cookie)

{

  printf ("preinit\n");

}

unsigned int

la_objclose  (uintptr_t *cookie)

{

  printf ("objclose\n");

  return 0;

}

uintptr_t

la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,

	      uintptr_t *defcook, unsigned int *flags, const char *symname)

{

  printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",

	  symname, (long int) sym->st_value, ndx, *flags);

  return sym->st_value;

}

#include "tst-audit.h"

ElfW(Addr)

pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,

	  uintptr_t *defcook, La_regs *regs, unsigned int *flags,

	  const char *symname, long int *framesizep)

{

  printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",

	  symname, (long int) sym->st_value, ndx, *flags);

  if (strcmp (symname, "audit1_test") == 0

      || strcmp (symname, "audit2_test") == 0)

    {

      if (regs->lr_eax != 1

	  || regs->lr_edx != 2

	  || regs->lr_ecx != 3)

	abort ();

      *framesizep = 200;

    }

  return sym->st_value;

}

unsigned int

pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,

	 uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,

	 const char *symname)

{

  printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",

	  symname, (long int) sym->st_value, ndx,

	  (ptrdiff_t) outregs->int_retval);

  if (strcmp (symname, "audit1_test") == 0

      || strcmp (symname, "audit2_test") == 0)

    {

      if (inregs->lr_eax != 1

	  || inregs->lr_edx != 2

	  || inregs->lr_ecx != 3)

	abort ();

      if (strcmp (symname, "audit1_test") == 0)

	{

	  long long x = ((unsigned long long) outregs->lrv_eax

			 | (unsigned long long) outregs->lrv_edx << 32);

	  if (x != 30)

	    abort ();

	}

      else if (strcmp (symname, "audit2_test") == 0)

	{

	  if (outregs->lrv_st0 != 30)

	    abort ();

	}

    }

  return 0;

}