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. */
26 const char *
alpha_backend_name(void)27 alpha_backend_name (void)
28 {
29 return "alpha";
30 }
31
32
33 /* Relocation mapping table. */
34 static 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. */
73 const char *
alpha_reloc_type_name(int type,char * buf,size_t len)74 alpha_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. */
86 bool
alpha_reloc_type_check(int type)87 alpha_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