82959e14980cee08db906336e4bc0c49975fdfa5
1 /* RL78 ELF support for BFD.
2 Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
23 #include "elf/reloc-macros.h"
25 /* Note that there are a few internal relocation types used by the
26 linker to do link-time relaxation. If you update this file, please
27 check elf32-rl78.c to see if any of the internal relocations need to
30 /* Preliminary relocations. */
31 START_RELOC_NUMBERS (elf_rl78_reloc_type
)
33 RELOC_NUMBER (R_RL78_NONE
, 0x00)
34 /* These are for data, and are bi-endian. */
35 RELOC_NUMBER (R_RL78_DIR32
, 0x01) /* Was: R_RL78_32. */
36 RELOC_NUMBER (R_RL78_DIR24S
, 0x02) /* Was: R_RL78_24. */
37 RELOC_NUMBER (R_RL78_DIR16
, 0x03)
38 RELOC_NUMBER (R_RL78_DIR16U
, 0x04) /* Was: R_RL78_16_UNS. */
39 RELOC_NUMBER (R_RL78_DIR16S
, 0x05) /* Was: R_RL78_16. */
40 RELOC_NUMBER (R_RL78_DIR8
, 0x06)
41 RELOC_NUMBER (R_RL78_DIR8U
, 0x07) /* Was: R_RL78_8_UNS. */
42 RELOC_NUMBER (R_RL78_DIR8S
, 0x08) /* Was: R_RL78_8. */
44 /* Signed pc-relative values. */
45 RELOC_NUMBER (R_RL78_DIR24S_PCREL
, 0x09) /* Was: R_RL78_24_PCREL. */
46 RELOC_NUMBER (R_RL78_DIR16S_PCREL
, 0x0a) /* Was: R_RL78_16_PCREL. */
47 RELOC_NUMBER (R_RL78_DIR8S_PCREL
, 0x0b) /* Was: R_RL78_8_PCREL. */
49 /* These are for fields in the instructions. */
50 RELOC_NUMBER (R_RL78_DIR16UL
, 0x0c)
51 RELOC_NUMBER (R_RL78_DIR16UW
, 0x0d)
52 RELOC_NUMBER (R_RL78_DIR8UL
, 0x0e)
53 RELOC_NUMBER (R_RL78_DIR8UW
, 0x0f)
54 RELOC_NUMBER (R_RL78_DIR32_REV
, 0x10)
55 RELOC_NUMBER (R_RL78_DIR16_REV
, 0x11)
56 RELOC_NUMBER (R_RL78_DIR3U_PCREL
, 0x12)
58 /* These are extensions added by Red Hat. */
59 RELOC_NUMBER (R_RL78_RH_RELAX
, 0x2d) /* Marks opcodes suitable for linker relaxation. */
60 RELOC_NUMBER (R_RL78_RH_SFR
, 0x2e) /* SFR addresses - internal use only. */
61 RELOC_NUMBER (R_RL78_RH_SADDR
, 0x2f) /* SADDR addresses - internal use only.. */
63 /* These are for complex relocs. */
64 RELOC_NUMBER (R_RL78_ABS32
, 0x41)
65 RELOC_NUMBER (R_RL78_ABS24S
, 0x42)
66 RELOC_NUMBER (R_RL78_ABS16
, 0x43)
67 RELOC_NUMBER (R_RL78_ABS16U
, 0x44)
68 RELOC_NUMBER (R_RL78_ABS16S
, 0x45)
69 RELOC_NUMBER (R_RL78_ABS8
, 0x46)
70 RELOC_NUMBER (R_RL78_ABS8U
, 0x47)
71 RELOC_NUMBER (R_RL78_ABS8S
, 0x48)
72 RELOC_NUMBER (R_RL78_ABS24S_PCREL
, 0x49)
73 RELOC_NUMBER (R_RL78_ABS16S_PCREL
, 0x4a)
74 RELOC_NUMBER (R_RL78_ABS8S_PCREL
, 0x4b)
75 RELOC_NUMBER (R_RL78_ABS16UL
, 0x4c)
76 RELOC_NUMBER (R_RL78_ABS16UW
, 0x4d)
77 RELOC_NUMBER (R_RL78_ABS8UL
, 0x4e)
78 RELOC_NUMBER (R_RL78_ABS8UW
, 0x4f)
79 RELOC_NUMBER (R_RL78_ABS32_REV
, 0x50)
80 RELOC_NUMBER (R_RL78_ABS16_REV
, 0x51)
82 RELOC_NUMBER (R_RL78_SYM
, 0x80)
83 RELOC_NUMBER (R_RL78_OPneg
, 0x81)
84 RELOC_NUMBER (R_RL78_OPadd
, 0x82)
85 RELOC_NUMBER (R_RL78_OPsub
, 0x83)
86 RELOC_NUMBER (R_RL78_OPmul
, 0x84)
87 RELOC_NUMBER (R_RL78_OPdiv
, 0x85)
88 RELOC_NUMBER (R_RL78_OPshla
, 0x86)
89 RELOC_NUMBER (R_RL78_OPshra
, 0x87)
90 RELOC_NUMBER (R_RL78_OPsctsize
, 0x88)
91 RELOC_NUMBER (R_RL78_OPscttop
, 0x8d)
92 RELOC_NUMBER (R_RL78_OPand
, 0x90)
93 RELOC_NUMBER (R_RL78_OPor
, 0x91)
94 RELOC_NUMBER (R_RL78_OPxor
, 0x92)
95 RELOC_NUMBER (R_RL78_OPnot
, 0x93)
96 RELOC_NUMBER (R_RL78_OPmod
, 0x94)
97 RELOC_NUMBER (R_RL78_OPromtop
, 0x95)
98 RELOC_NUMBER (R_RL78_OPramtop
, 0x96)
100 END_RELOC_NUMBERS (R_RL78_max
)
102 #define EF_RL78_CPU_RL78 0x00000079 /* FIXME: correct value? */
103 #define EF_RL78_CPU_MASK 0x0000007F /* specific cpu bits. */
104 #define EF_RL78_ALL_FLAGS (EF_RL78_CPU_MASK)
106 /* Values for the e_flags field in the ELF header. */
107 #define E_FLAG_RL78_64BIT_DOUBLES (1 << 0)
108 #define E_FLAG_RL78_DSP (1 << 1) /* Defined in the RL78 CPU Object file specification, but not explained. */
110 /* These define the addend field of R_RL78_RH_RELAX relocations. */
111 #define RL78_RELAXA_BRA 0x00000010 /* Any type of branch (must be decoded). */
112 #define RL78_RELAXA_ADDR16 0x00000020 /* addr16->sfr/saddr opportunity */
113 #define RL78_RELAXA_RNUM 0x0000000f /* Number of associated relocations. */
114 /* These mark the place where alignment is requested, and the place where the filler bytes end. */
115 #define RL78_RELAXA_ALIGN 0x10000000 /* Start alignment; the remaining bits are the alignment value. */
116 #define RL78_RELAXA_ELIGN 0x20000000 /* End alignment; the remaining bits are the alignment value. */
117 #define RL78_RELAXA_ANUM 0x00ffffff /* Alignment amount, in bytes (i.e. .balign). */
119 #endif /* _ELF_RL78_H */
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