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arm.h (78828) arm.h (89857)
1/* ARM ELF support for BFD.
1/* ARM ELF support for BFD.
2 Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
2 Copyright 1998, 1999, 2000, 2001, 2002 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 2 of the License, or
9 (at your option) any later version.
10

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20#ifndef _ELF_ARM_H
21#define _ELF_ARM_H
22
23#include "elf/reloc-macros.h"
24
25/* Processor specific flags for the ELF header e_flags field. */
26#define EF_ARM_RELEXEC 0x01
27#define EF_ARM_HASENTRY 0x02
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 2 of the License, or
9 (at your option) any later version.
10

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20#ifndef _ELF_ARM_H
21#define _ELF_ARM_H
22
23#include "elf/reloc-macros.h"
24
25/* Processor specific flags for the ELF header e_flags field. */
26#define EF_ARM_RELEXEC 0x01
27#define EF_ARM_HASENTRY 0x02
28#define EF_INTERWORK 0x04
29#define EF_APCS_26 0x08
30#define EF_APCS_FLOAT 0x10
31#define EF_PIC 0x20
32#define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use. */
33#define EF_NEW_ABI 0x80
34#define EF_OLD_ABI 0x100
35#define EF_SOFT_FLOAT 0x200
28#define EF_ARM_INTERWORK 0x04
29#define EF_ARM_APCS_26 0x08
30#define EF_ARM_APCS_FLOAT 0x10
31#define EF_ARM_PIC 0x20
32#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */
33#define EF_ARM_NEW_ABI 0x80
34#define EF_ARM_OLD_ABI 0x100
35#define EF_ARM_SOFT_FLOAT 0x200
36#define EF_ARM_VFP_FLOAT 0x400
36
37
37/* Other constants defined in the ARM ELF spec. version A-08. */
38/* Other constants defined in the ARM ELF spec. version B-01. */
38#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */
39#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */
40#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */
41#define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT */
39#define EF_ARM_EABIMASK 0xFF000000
40
41#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
42#define EF_ARM_EABI_UNKNOWN 0x00000000
43#define EF_ARM_EABI_VER1 0x01000000
42#define EF_ARM_EABIMASK 0xFF000000
43
44#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
45#define EF_ARM_EABI_UNKNOWN 0x00000000
46#define EF_ARM_EABI_VER1 0x01000000
47#define EF_ARM_EABI_VER2 0x02000000
44
45/* Local aliases for some flags to match names used by COFF port. */
48
49/* Local aliases for some flags to match names used by COFF port. */
46#define F_INTERWORK EF_INTERWORK
47#define F_APCS26 EF_APCS_26
48#define F_APCS_FLOAT EF_APCS_FLOAT
49#define F_PIC EF_PIC
50#define F_SOFT_FLOAT EF_SOFT_FLOAT
50#define F_INTERWORK EF_ARM_INTERWORK
51#define F_APCS26 EF_ARM_APCS_26
52#define F_APCS_FLOAT EF_ARM_APCS_FLOAT
53#define F_PIC EF_ARM_PIC
54#define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT
55#define F_VFP_FLOAT EF_ARM_VFP_FLOAT
51
52/* Additional symbol types for Thumb. */
53#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */
54#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */
55
56/* ARM-specific values for sh_flags. */
57#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
58#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */

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104 RELOC_NUMBER (R_ARM_GOTPC, 25) /* 32 bit PC relative offset to GOT. */
105 RELOC_NUMBER (R_ARM_GOT32, 26) /* 32 bit GOT entry. */
106 RELOC_NUMBER (R_ARM_PLT32, 27) /* 32 bit PLT address. */
107#ifdef OLD_ARM_ABI
108 FAKE_RELOC (FIRST_INVALID_RELOC, 28)
109 FAKE_RELOC (LAST_INVALID_RELOC, 249)
110#else /* not OLD_ARM_ABI */
111 FAKE_RELOC (FIRST_INVALID_RELOC1, 28)
56
57/* Additional symbol types for Thumb. */
58#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */
59#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */
60
61/* ARM-specific values for sh_flags. */
62#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
63#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */

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109 RELOC_NUMBER (R_ARM_GOTPC, 25) /* 32 bit PC relative offset to GOT. */
110 RELOC_NUMBER (R_ARM_GOT32, 26) /* 32 bit GOT entry. */
111 RELOC_NUMBER (R_ARM_PLT32, 27) /* 32 bit PLT address. */
112#ifdef OLD_ARM_ABI
113 FAKE_RELOC (FIRST_INVALID_RELOC, 28)
114 FAKE_RELOC (LAST_INVALID_RELOC, 249)
115#else /* not OLD_ARM_ABI */
116 FAKE_RELOC (FIRST_INVALID_RELOC1, 28)
112 FAKE_RELOC (LAST_INVALID_RELOC1, 99)
117 FAKE_RELOC (LAST_INVALID_RELOC1, 31)
118 RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32)
119 RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33)
120 RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34)
121 RELOC_NUMBER (R_ARM_LDR_SBREL11_0, 35)
122 RELOC_NUMBER (R_ARM_ALU_SBREL19_12, 36)
123 RELOC_NUMBER (R_ARM_ALU_SBREL27_20, 37)
124 FAKE_RELOC (FIRST_INVALID_RELOC2, 38)
125 FAKE_RELOC (LAST_INVALID_RELOC2, 99)
113 RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100)
114 RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101)
115 RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */
116 RELOC_NUMBER (R_ARM_THM_PC9, 103) /* Cygnus extension to abi: Thumb conditional branch. */
126 RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100)
127 RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101)
128 RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */
129 RELOC_NUMBER (R_ARM_THM_PC9, 103) /* Cygnus extension to abi: Thumb conditional branch. */
117 FAKE_RELOC (FIRST_INVALID_RELOC2, 104)
118 FAKE_RELOC (LAST_INVALID_RELOC2, 248)
130 FAKE_RELOC (FIRST_INVALID_RELOC3, 104)
131 FAKE_RELOC (LAST_INVALID_RELOC3, 248)
119 RELOC_NUMBER (R_ARM_RXPC25, 249)
120#endif /* not OLD_ARM_ABI */
121 RELOC_NUMBER (R_ARM_RSBREL32, 250)
122 RELOC_NUMBER (R_ARM_THM_RPC22, 251)
123 RELOC_NUMBER (R_ARM_RREL32, 252)
124 RELOC_NUMBER (R_ARM_RABS32, 253)
125 RELOC_NUMBER (R_ARM_RPC24, 254)
126 RELOC_NUMBER (R_ARM_RBASE, 255)
127END_RELOC_NUMBERS (R_ARM_max)
128
129#endif /* _ELF_ARM_H */
132 RELOC_NUMBER (R_ARM_RXPC25, 249)
133#endif /* not OLD_ARM_ABI */
134 RELOC_NUMBER (R_ARM_RSBREL32, 250)
135 RELOC_NUMBER (R_ARM_THM_RPC22, 251)
136 RELOC_NUMBER (R_ARM_RREL32, 252)
137 RELOC_NUMBER (R_ARM_RABS32, 253)
138 RELOC_NUMBER (R_ARM_RPC24, 254)
139 RELOC_NUMBER (R_ARM_RBASE, 255)
140END_RELOC_NUMBERS (R_ARM_max)
141
142#endif /* _ELF_ARM_H */