s390.h revision 89857
1/* 390 ELF support for BFD.
2   Copyright 2000, 2001 Free Software Foundation, Inc.
3   Contributed by Carl B. Pedersen and Martin Schwidefsky.
4
5   This file is part of BFD, the Binary File Descriptor library.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 2 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20   02111-1307, USA.  */
21
22#ifndef _ELF_390_H
23#define _ELF_390_H
24
25/* Processor specific flags for the ELF header e_flags field.  */
26
27/* Symbol types.  */
28
29#define STACK_REG		15		/* Global Stack reg */
30#define BACKL_REG		14		/* Global Backlink reg */
31#define BASE_REG		13		/* Global Base reg */
32#define GOT_REG 		12		/* Holds addr of GOT */
33
34#include "elf/reloc-macros.h"
35
36/* Relocation types.  */
37
38START_RELOC_NUMBERS (elf_s390_reloc_type)
39    RELOC_NUMBER (R_390_NONE, 0)	/* No reloc.  */
40    RELOC_NUMBER (R_390_8, 1)		/* Direct 8 bit.  */
41    RELOC_NUMBER (R_390_12, 2)		/* Direct 12 bit.  */
42    RELOC_NUMBER (R_390_16, 3)		/* Direct 16 bit.  */
43    RELOC_NUMBER (R_390_32, 4)		/* Direct 32 bit.  */
44    RELOC_NUMBER (R_390_PC32, 5)	/* PC relative 32 bit.  */
45    RELOC_NUMBER (R_390_GOT12, 6)	/* 12 bit GOT offset.  */
46    RELOC_NUMBER (R_390_GOT32, 7)	/* 32 bit GOT offset.  */
47    RELOC_NUMBER (R_390_PLT32, 8)	/* 32 bit PC relative PLT address.  */
48    RELOC_NUMBER (R_390_COPY, 9)	/* Copy symbol at runtime.  */
49    RELOC_NUMBER (R_390_GLOB_DAT, 10)	/* Create GOT entry.  */
50    RELOC_NUMBER (R_390_JMP_SLOT, 11)	/* Create PLT entry.  */
51    RELOC_NUMBER (R_390_RELATIVE, 12)	/* Adjust by program base.  */
52    RELOC_NUMBER (R_390_GOTOFF, 13)	/* 32 bit offset to GOT.  */
53    RELOC_NUMBER (R_390_GOTPC, 14)	/* 32 bit PC relative offset to GOT.  */
54    RELOC_NUMBER (R_390_GOT16, 15)	/* 16 bit GOT offset.  */
55    RELOC_NUMBER (R_390_PC16, 16)	/* PC relative 16 bit.  */
56    RELOC_NUMBER (R_390_PC16DBL, 17)	/* PC relative 16 bit shifted by 1.  */
57    RELOC_NUMBER (R_390_PLT16DBL, 18)	/* 16 bit PC rel. PLT shifted by 1.  */
58    RELOC_NUMBER (R_390_PC32DBL, 19)	/* PC relative 32 bit shifted by 1.  */
59    RELOC_NUMBER (R_390_PLT32DBL, 20)	/* 32 bit PC rel. PLT shifted by 1.  */
60    RELOC_NUMBER (R_390_GOTPCDBL, 21)	/* 32 bit PC rel. GOT shifted by 1.  */
61    RELOC_NUMBER (R_390_64, 22)		/* Direct 64 bit.  */
62    RELOC_NUMBER (R_390_PC64, 23)	/* PC relative 64 bit.  */
63    RELOC_NUMBER (R_390_GOT64, 24)	/* 64 bit GOT offset.  */
64    RELOC_NUMBER (R_390_PLT64, 25)	/* 64 bit PC relative PLT address.  */
65    RELOC_NUMBER (R_390_GOTENT, 26)	/* 32 bit PC rel. to GOT entry >> 1. */
66    /* These are GNU extensions to enable C++ vtable garbage collection.  */
67    RELOC_NUMBER (R_390_GNU_VTINHERIT, 250)
68    RELOC_NUMBER (R_390_GNU_VTENTRY, 251)
69END_RELOC_NUMBERS (R_390_max)
70
71#endif /* _ELF_390_H */
72
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74