bfd/arc-plt.def

/* Arc V2/V3 Related PLT entries.
   Copyright (C) 2016-2023 Free Software Foundation, Inc.
   Contributed by Cupertino Miranda (cmiranda@synopsys.com).

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can 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.

   This program 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 this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */


PLT_TYPE_START (ELF_ARCV3_PIC)
/*
  -- at .got.plt + 0 should be the address of .dynamic
  ldl r11, [pcl, 0] .got.plt + 8
  ldl r10, [pcl, 0] .got.plt + 16
  j [r10]
  padding

  2e:   2731 ff0b 0000 0000     ldl     r11,[pcl,0@s32] ;2c <main+0x2c>
                        32: R_ARC_GOTPC32       f_var
  36:   2731 ff0a 0000 0000     ldl     r10,[pcl,0@s32] ;34 <main+0x34>
                        3a: R_ARC_GOTPC32       f_var
  3e:   2020 0280               j       [r10]
*/

/* ldl %r11, [pcl,0] : 0 to be replaced by _DYNAMIC@GOTPC+4.  */
  PLT_ENTRY (0x2731, 0xff0b, 0x0000, 0x0000)
/* ldl %r10, [pcl,0] : 0 to be replaced by _DYNAMIC@GOTPC+8.  */
  PLT_ENTRY (0x2731, 0xff0a, 0x0000, 0x0000)
/* j [%r10].  */
  PLT_ENTRY (0x2020, 0x0280)
/* padding.  */
  PLT_ENTRY (0x0, 0x0, 0x0, 0x0, 0x0,0x0)

/*
  ldl r12, [pcl, 0]    -- at .got.plt + 0 should be the address of .dynamic

  46:   2731 ff0c 0000 0000     ldl     r12,[pcl,0@s32] ;44 <main+0x44>
                        4a: R_ARC_GOTPC32       f_var
  4e:   2021 0300               j.d     [r12]
  52:   5c0a 1fc0               movl     r12,pcl
*/

/* ld %r12, [%pc,func@got].  */
  PLT_ELEM (0x2731, 0xff0c, 0x0000, 0x0000)
/* j.d [%r12].  */
  PLT_ELEM (0x2021, 0x0300)
/* movl %r12, %pcl.  */
  PLT_ELEM (0x5c0a, 0x1fc0)

  ENTRY_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 8)
  ENTRY_RELOC (12, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 16)
  ENTRY_RELOC (20, 32, 0xFFFFFFFF, SGOT, 0)

  ELEM_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 0)

PLT_TYPE_END (ELF_ARCV3_PIC)


PLT_TYPE_START (ELF_ARCV2_PIC)
/* ld %r11, [pcl,0] : 0 to be replaced by _DYNAMIC@GOTPC+4.  */
  PLT_ENTRY (0x2730, 0x7f8b, 0x0000, 0x0000)
/* ld %r10, [pcl,0] : 0 to be replaced by _DYNAMIC@GOTPC+8.  */
  PLT_ENTRY (0x2730, 0x7f8a, 0x0000, 0x0000)
/* j [%r10].  */
  PLT_ENTRY (0x2020, 0x0280)
/* padding.  */
  PLT_ENTRY (0x0,0x0,0x0,0x0,0x0,0x0)

 /* ld %r12, [%pc,func@got].  */
  PLT_ELEM (0x2730, 0x7f8c, 0x0000, 0x0000)
/* j.d [%r12].  */
  PLT_ELEM (0x2021, 0x0300)
/* mov %r12, %pcl.  */
  PLT_ELEM (0x240a, 0x1fc0)

  ENTRY_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 4)
  ENTRY_RELOC (12, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 8)
  ENTRY_RELOC (20, 32, 0xFFFFFFFF, SGOT, 0)

  ELEM_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 0)

PLT_TYPE_END (ELF_ARCV2_PIC)

PLT_TYPE_START (ELF_ARCV2_ABS)
/* ld %r11, [0].  */
  PLT_ENTRY (0x1600,0x700b,0x0000,0x0000)
/* ld %r10, [0].  */
  PLT_ENTRY (0x1600,0x700a,0x0000,0x0000)
/* j [%r10].  */
  PLT_ENTRY (0x2020,0x0280)
/* padding.  */
  PLT_ENTRY (0x0,0x0,0x0,0x0,0x0,0x0)

  PLT_ELEM (0x2730, 0x7f8c, 0x0000, 0x0000) /* ld %r12, [%pcl,func@gotpc].  */
  PLT_ELEM (0x2021,0x0300)		    /* j.d [%r12].  */
  PLT_ELEM (0x240a,0x1fc0)		    /* mov %r12, %pcl.  */

  ENTRY_RELOC (4, 32, 0xFFFFFFFF, SGOT | MIDDLE_ENDIAN, 4)
  ENTRY_RELOC (12, 32, 0xFFFFFFFF, SGOT | MIDDLE_ENDIAN, 8)
  ENTRY_RELOC (20, 32, 0xFFFFFFFF, SGOT, 0)

  ELEM_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 0)

PLT_TYPE_END (ELF_ARCV2_ABS)


/* Non Arc V2 Related PLT entries.  */

PLT_TYPE_START (ELF_ARC_PIC)
/* ld %r11, [pcl,0] : 0 to be replaced by _DYNAMIC@GOTPC+4.  */
  PLT_ENTRY (0x2730,0x7f8b,0x0000,0x0000)
/* ld %r10, [pcl,0] : 0 to be replaced by -DYNAMIC@GOTPC+8.  */
  PLT_ENTRY (0x2730,0x7f8a,0x0000,0x0000)
/* j [%r10].  */
  PLT_ENTRY (0x2020,0x0280)
/* padding.  */
  PLT_ENTRY (0x0,0x0)

  PLT_ELEM (0x2730,0x7f8c,0x0000,0x0000)  /* ld %r12, [%pc,func@got].  */
  PLT_ELEM (0x7c20)			  /* j_s.d [%r12].  */
  PLT_ELEM (0x74ef)			  /* mov_s %r12, %pcl.  */

  ENTRY_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 4)
  ENTRY_RELOC (12, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 8)
  ENTRY_RELOC (20, 32, 0xFFFFFFFF, SGOT, 0)

  ELEM_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 0)

PLT_TYPE_END (ELF_ARC_PIC)

PLT_TYPE_START (ELF_ARC_ABS)
  PLT_ENTRY (0x1600,0x700b,0x0000,0x0000) /* ld %r11, [0].  */
  PLT_ENTRY (0x1600,0x700a,0x0000,0x0000) /* ld %r10, [0].  */
  PLT_ENTRY (0x2020,0x0280)		  /* j [%r10].  */
  PLT_ENTRY (0x0,0x0)			  /* padding.  */

  PLT_ELEM (0x2730,0x7f8c,0x0000,0x0000) /* ld %r12, [%pc,func@gotpc].  */
  PLT_ELEM (0x7c20,0x74ef)		 /* mov_s %r12, %pcl.  */

  ENTRY_RELOC (4, 32, 0xFFFFFFFF, SGOT | MIDDLE_ENDIAN, 4)
  ENTRY_RELOC (12, 32, 0xFFFFFFFF, SGOT | MIDDLE_ENDIAN, 8)
  ENTRY_RELOC (20, 32, 0xFFFFFFFF, SGOT, 0)

  ELEM_RELOC (4, 32, 0xFFFFFFFF, SGOT | RELATIVE_INSN_32 | MIDDLE_ENDIAN, 0)

PLT_TYPE_END (ELF_ARC_ABS)