1 /* Blackfin ELF support for BFD.
2    Copyright (C) 2005-2016 Free Software Foundation, Inc.
3 
4    This file is part of BFD, the Binary File Descriptor library.
5 
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.
10 
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.
15 
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.  */
19 
20 #ifndef _ELF_BFIN_H
21 #define _ELF_BFIN_H
22 
23 #include "elf/reloc-macros.h"
24 
25 START_RELOC_NUMBERS (elf_bfin_reloc_type)
26   RELOC_NUMBER (R_BFIN_UNUSED0, 0x00)          /* relocation type 0 is not defined */
27   RELOC_NUMBER (R_BFIN_PCREL5M2, 0x01)         /* LSETUP part a */
28   RELOC_NUMBER (R_BFIN_UNUSED1, 0x02)          /* relocation type 2 is not defined */
29   RELOC_NUMBER (R_BFIN_PCREL10, 0x03)          /* type 3, 0x00) if cc jump <target> */
30   RELOC_NUMBER (R_BFIN_PCREL12_JUMP, 0x04)     /* type 4, 0x00) jump <target> */
31   RELOC_NUMBER (R_BFIN_RIMM16, 0x05)           /* type 0x5, 0x00) rN = <target> */
32   RELOC_NUMBER (R_BFIN_LUIMM16, 0x06)          /* # 0x6, 0x00) preg.l=<target> Load imm 16 to lower half */
33   RELOC_NUMBER (R_BFIN_HUIMM16, 0x07)          /* # 0x7, 0x00) preg.h=<target> Load imm 16 to upper half */
34   RELOC_NUMBER (R_BFIN_PCREL12_JUMP_S, 0x08)   /* # 0x8 jump.s <target> */
35   RELOC_NUMBER (R_BFIN_PCREL24_JUMP_X, 0x09)   /* # 0x9 jump.x <target> */
36   RELOC_NUMBER (R_BFIN_PCREL24, 0x0a)          /* # 0xa call <target> , 0x00) not expandable */
37   RELOC_NUMBER (R_BFIN_UNUSEDB, 0x0b)          /* # 0xb not generated */
38   RELOC_NUMBER (R_BFIN_UNUSEDC, 0x0c)          /* # 0xc  not used */
39   RELOC_NUMBER (R_BFIN_PCREL24_JUMP_L, 0x0d)   /* 0xd jump.l <target> */
40   RELOC_NUMBER (R_BFIN_PCREL24_CALL_X, 0x0e)   /* 0xE, 0x00) call.x <target> if <target> is above 24 bit limit call through P1 */
41   RELOC_NUMBER (R_BFIN_VAR_EQ_SYMB, 0x0f)      /* 0xf, 0x00) linker should treat it same as 0x12 */
42   RELOC_NUMBER (R_BFIN_BYTE_DATA, 0x10)        /* 0x10, 0x00) .byte var = symbol */
43   RELOC_NUMBER (R_BFIN_BYTE2_DATA, 0x11)       /* 0x11, 0x00) .byte2 var = symbol */
44   RELOC_NUMBER (R_BFIN_BYTE4_DATA, 0x12)       /* 0x12, 0x00) .byte4 var = symbol and .var var=symbol */
45   RELOC_NUMBER (R_BFIN_PCREL11, 0x13)          /* 0x13, 0x00) lsetup part b */
46   RELOC_NUMBER (R_BFIN_GOT17M4, 0x14)
47   RELOC_NUMBER (R_BFIN_GOTHI, 0x15)
48   RELOC_NUMBER (R_BFIN_GOTLO, 0x16)
49   RELOC_NUMBER (R_BFIN_FUNCDESC, 0x17)
50   RELOC_NUMBER (R_BFIN_FUNCDESC_GOT17M4, 0x18)
51   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTHI, 0x19)
52   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTLO, 0x1a)
53   RELOC_NUMBER (R_BFIN_FUNCDESC_VALUE, 0x1b)
54   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFF17M4, 0x1c)
55   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFFHI, 0x1d)
56   RELOC_NUMBER (R_BFIN_FUNCDESC_GOTOFFLO, 0x1e)
57   RELOC_NUMBER (R_BFIN_GOTOFF17M4, 0x1f)
58   RELOC_NUMBER (R_BFIN_GOTOFFHI, 0x20)
59   RELOC_NUMBER (R_BFIN_GOTOFFLO, 0x21)
60 
61   RELOC_NUMBER (R_BFIN_PUSH, 0xE0)
62   RELOC_NUMBER (R_BFIN_CONST, 0xE1)
63   RELOC_NUMBER (R_BFIN_ADD, 0xE2)
64   RELOC_NUMBER (R_BFIN_SUB, 0xE3)
65   RELOC_NUMBER (R_BFIN_MULT, 0xE4)
66   RELOC_NUMBER (R_BFIN_DIV, 0xE5)
67   RELOC_NUMBER (R_BFIN_MOD, 0xE6)
68   RELOC_NUMBER (R_BFIN_LSHIFT, 0xE7)
69   RELOC_NUMBER (R_BFIN_RSHIFT, 0xE8)
70   RELOC_NUMBER (R_BFIN_AND, 0xE9)
71   RELOC_NUMBER (R_BFIN_OR, 0xEA)
72   RELOC_NUMBER (R_BFIN_XOR, 0xEB)
73   RELOC_NUMBER (R_BFIN_LAND, 0xEC)
74   RELOC_NUMBER (R_BFIN_LOR, 0xED)
75   RELOC_NUMBER (R_BFIN_LEN, 0xEE)
76   RELOC_NUMBER (R_BFIN_NEG, 0xEF)
77   RELOC_NUMBER (R_BFIN_COMP, 0xF0)
78   RELOC_NUMBER (R_BFIN_PAGE, 0xF1)
79   RELOC_NUMBER (R_BFIN_HWPAGE, 0xF2)
80   RELOC_NUMBER (R_BFIN_ADDR, 0xF3)
81   RELOC_NUMBER (R_BFIN_PLTPC, 0x40)         /* PLT gnu only relocation */
82   RELOC_NUMBER (R_BFIN_GOT, 0x41)           /* GOT gnu only relocation */
83   RELOC_NUMBER (R_BFIN_GNU_VTINHERIT, 0x42) /* C++, gnu only */
84   RELOC_NUMBER (R_BFIN_GNU_VTENTRY, 0x43) /* C++, gnu only */
85 END_RELOC_NUMBERS (R_BFIN_max)
86 
87 /* Processor specific flags for the ELF header e_flags field.  */
88 #define EF_BFIN_PIC		0x00000001	/* -fpic */
89 #define EF_BFIN_FDPIC		0x00000002      /* -mfdpic */
90 
91 #define EF_BFIN_CODE_IN_L1	0x00000010	/* --code-in-l1 */
92 #define EF_BFIN_DATA_IN_L1	0x00000020	/* --data-in-l1 */
93 
94 #define	EF_BFIN_PIC_FLAGS	(EF_BFIN_PIC | EF_BFIN_FDPIC)
95 #endif /* _ELF_BFIN_H */
96