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1 /* SH specific relocation handling.
2    Copyright (C) 2000, 2001, 2002 Red Hat, Inc.
3    Written by Ulrich Drepper <drepper@redhat.com>, 2000.
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_sh.h>
23 
24 
25 /* Return of the backend.  */
26 const char *
sh_backend_name(void)27 sh_backend_name (void)
28 {
29   return "sh";
30 }
31 
32 
33 /* Determine relocation type string for SH.  */
34 const char *
sh_reloc_type_name(int type,char * buf,size_t len)35 sh_reloc_type_name (int type, char *buf, size_t len)
36 {
37   static const char *map_table1[] =
38   {
39     [R_SH_NONE] = "R_SH_NONE",
40     [R_SH_DIR32] = "R_SH_DIR32",
41     [R_SH_REL32] = "R_SH_REL32",
42     [R_SH_DIR8WPN] = "R_SH_DIR8WPN",
43     [R_SH_IND12W] = "R_SH_IND12W",
44     [R_SH_DIR8WPL] = "R_SH_DIR8WPL",
45     [R_SH_DIR8WPZ] = "R_SH_DIR8WPZ",
46     [R_SH_DIR8BP] = "R_SH_DIR8BP",
47     [R_SH_DIR8W] = "R_SH_DIR8W",
48     [R_SH_DIR8L] = "R_SH_DIR8L",
49     [R_SH_SWITCH16] = "R_SH_SWITCH16",
50     [R_SH_SWITCH32] = "R_SH_SWITCH32",
51     [R_SH_USES] = "R_SH_USES",
52     [R_SH_COUNT] = "R_SH_COUNT",
53     [R_SH_ALIGN] = "R_SH_ALIGN",
54     [R_SH_CODE] = "R_SH_CODE",
55     [R_SH_DATA] = "R_SH_DATA",
56     [R_SH_LABEL] = "R_SH_LABEL",
57     [R_SH_SWITCH8] = "R_SH_SWITCH8",
58     [R_SH_GNU_VTINHERIT] ="R_SH_GNU_VTINHERIT",
59     [R_SH_GNU_VTENTRY] = "R_SH_GNU_VTENTRY"
60   };
61   static const char *map_table2[] =
62   {
63     [R_SH_TLS_GD_32] = "R_SH_TLS_GD_32",
64     [R_SH_TLS_LD_32] = "R_SH_TLS_LD_32",
65     [R_SH_TLS_LDO_32] = "R_SH_TLS_LDO_32",
66     [R_SH_TLS_IE_32] = "R_SH_TLS_IE_32",
67     [R_SH_TLS_LE_32] = "R_SH_TLS_LE_32",
68     [R_SH_TLS_DTPMOD32] = "R_SH_TLS_DTPMOD32",
69     [R_SH_TLS_DTPOFF32] = "R_SH_TLS_DTPOFF32",
70     [R_SH_TLS_TPOFF32] = "R_SH_TLS_TPOFF32",
71     [R_SH_GOT32 - R_SH_GOT32] = "R_SH_GOT32",
72     [R_SH_PLT32 - R_SH_GOT32] = "R_SH_PLT32",
73     [R_SH_COPY - R_SH_GOT32] = "R_SH_COPY",
74     [R_SH_GLOB_DAT - R_SH_GOT32] = "R_SH_GLOB_DAT",
75     [R_SH_JMP_SLOT - R_SH_GOT32] = "R_SH_JMP_SLOT",
76     [R_SH_RELATIVE - R_SH_GOT32] = "R_SH_RELATIVE",
77     [R_SH_GOTOFF - R_SH_GOT32] = "R_SH_GOTOFF",
78     [R_SH_GOTPC - R_SH_GOT32] = "R_SH_GOTPC"
79   };
80 
81   if (type >= 0
82       && (size_t) type < sizeof (map_table1) / sizeof (map_table1[0]))
83     return map_table1[type];
84 
85   if ((type - R_SH_TLS_GD_32) >= 0
86       && ((size_t) (type - R_SH_TLS_GD_32)
87 	  < sizeof (map_table2) / sizeof (map_table2[0])))
88     return map_table2[type - R_SH_TLS_GD_32];
89 
90   return NULL;
91 }
92