1/* Alpha specific symbolic name handling.
2   Copyright (C) 2002 Red Hat, Inc.
3   Written by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5   This program is Open Source software; you can redistribute it and/or
6   modify it under the terms of the Open Software License version 1.0 as
7   published by the Open Source Initiative.
8
9   You should have received a copy of the Open Software License along
10   with this program; if not, you may obtain a copy of the Open Software
11   License version 1.0 from http://www.opensource.org/licenses/osl.php or
12   by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
13   3001 King Ranch Road, Ukiah, CA 95482.   */
14
15#ifdef HAVE_CONFIG_H
16# include <config.h>
17#endif
18
19#include <elf.h>
20#include <stddef.h>
21
22#include <libebl_alpha.h>
23
24
25/* Return of the backend.  */
26const char *
27alpha_backend_name (void)
28{
29  return "alpha";
30}
31
32
33/* Relocation mapping table.  */
34static const char *reloc_map_table[] =
35  {
36    [R_ALPHA_NONE] = "R_ALPHA_NONE",
37    [R_ALPHA_REFLONG] = "R_ALPHA_REFLONG",
38    [R_ALPHA_REFQUAD] = "R_ALPHA_REFQUAD",
39    [R_ALPHA_GPREL32] = "R_ALPHA_GPREL32",
40    [R_ALPHA_LITERAL] = "R_ALPHA_LITERAL",
41    [R_ALPHA_LITUSE] = "R_ALPHA_LITUSE",
42    [R_ALPHA_GPDISP] = "R_ALPHA_GPDISP",
43    [R_ALPHA_BRADDR] = "R_ALPHA_BRADDR",
44    [R_ALPHA_HINT] = "R_ALPHA_HINT",
45    [R_ALPHA_SREL16] = "R_ALPHA_SREL16",
46    [R_ALPHA_SREL32] = "R_ALPHA_SREL32",
47    [R_ALPHA_SREL64] = "R_ALPHA_SREL64",
48    [R_ALPHA_GPRELHIGH] = "R_ALPHA_GPRELHIGH",
49    [R_ALPHA_GPRELLOW] = "R_ALPHA_GPRELLOW",
50    [R_ALPHA_GPREL16] = "R_ALPHA_GPREL16",
51    [R_ALPHA_COPY] = "R_ALPHA_COPY",
52    [R_ALPHA_GLOB_DAT] = "R_ALPHA_GLOB_DAT",
53    [R_ALPHA_JMP_SLOT] = "R_ALPHA_JMP_SLOT",
54    [R_ALPHA_RELATIVE] = "R_ALPHA_RELATIVE",
55    [R_ALPHA_TLS_GD_HI] = "R_ALPHA_TLS_GD_HI",
56    [R_ALPHA_TLSGD] = "R_ALPHA_TLSGD",
57    [R_ALPHA_TLS_LDM] = "R_ALPHA_TLS_LDM",
58    [R_ALPHA_DTPMOD64] = "R_ALPHA_DTPMOD64",
59    [R_ALPHA_GOTDTPREL] = "R_ALPHA_GOTDTPREL",
60    [R_ALPHA_DTPREL64] = "R_ALPHA_DTPREL64",
61    [R_ALPHA_DTPRELHI] = "R_ALPHA_DTPRELHI",
62    [R_ALPHA_DTPRELLO] = "R_ALPHA_DTPRELLO",
63    [R_ALPHA_DTPREL16] = "R_ALPHA_DTPREL16",
64    [R_ALPHA_GOTTPREL] = "R_ALPHA_GOTTPREL",
65    [R_ALPHA_TPREL64] = "R_ALPHA_TPREL64",
66    [R_ALPHA_TPRELHI] = "R_ALPHA_TPRELHI",
67    [R_ALPHA_TPRELLO] = "R_ALPHA_TPRELLO",
68    [R_ALPHA_TPREL16] = "R_ALPHA_TPREL16"
69  };
70
71
72/* Determine relocation type string for Alpha.  */
73const char *
74alpha_reloc_type_name (int type, char *buf, size_t len)
75{
76  if (type < 0
77      || ((size_t) type
78	  >= sizeof (reloc_map_table) / sizeof (reloc_map_table[0])))
79    return NULL;
80
81  return reloc_map_table[type];
82}
83
84
85/* Check for correct relocation type.  */
86bool
87alpha_reloc_type_check (int type)
88{
89  return (type >= R_ALPHA_NONE
90	  && ((size_t) type
91	      < sizeof (reloc_map_table) / sizeof (reloc_map_table[0]))
92	  && reloc_map_table[type] != NULL) ? true : false;
93}
94