Commit | Line | Data |
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4f1d9bd8 NC |
1 | /* coff information for Intel 386/486. |
2 | ||
82704155 | 3 | Copyright (C) 2001-2019 Free Software Foundation, Inc. |
4f1d9bd8 NC |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
e4e42b45 | 7 | the Free Software Foundation; either version 3 of the License, or |
4f1d9bd8 NC |
8 | (at your option) any later version. |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
e4e42b45 NC |
17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
18 | MA 02110-1301, USA. */ | |
4f1d9bd8 NC |
19 | |
20 | #define L_LNNO_SIZE 2 | |
21 | #define INCLUDE_COMDAT_FIELDS_IN_AUXENT | |
22 | #include "coff/external.h" | |
252b5132 | 23 | |
e05da72d NC |
24 | #define COFF_PAGE_SIZE 0x1000 |
25 | ||
252b5132 | 26 | /* Bits for f_flags: |
e05da72d NC |
27 | F_RELFLG Relocation info stripped from file |
28 | F_EXEC File is executable (no unresolved external references) | |
29 | F_LNNO Line numbers stripped from file | |
30 | F_LSYMS Local symbols stripped from file | |
31 | F_AR32WR File has byte ordering of an AR32WR machine (e.g. vax). */ | |
252b5132 RH |
32 | |
33 | #define F_RELFLG (0x0001) | |
34 | #define F_EXEC (0x0002) | |
35 | #define F_LNNO (0x0004) | |
36 | #define F_LSYMS (0x0008) | |
37 | ||
252b5132 RH |
38 | #define I386MAGIC 0x14c |
39 | #define I386PTXMAGIC 0x154 | |
40 | #define I386AIXMAGIC 0x175 | |
41 | ||
e05da72d | 42 | /* This is Lynx's all-platform magic number for executables. */ |
252b5132 RH |
43 | |
44 | #define LYNXCOFFMAGIC 0415 | |
45 | ||
1dd1bc4d OM |
46 | /* .NET DLLs XOR the Machine number (above) with an override to |
47 | indicate that the DLL contains OS-specific machine code rather | |
48 | than just IL or bytecode. See | |
49 | https://github.com/dotnet/coreclr/blob/6f7aa7967c607b8c667518314ab937c0d7547025/src/inc/pedecoder.h#L94-L107. */ | |
50 | #define IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE 0x4644 | |
51 | #define IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE 0xadc4 | |
52 | #define IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE 0x7b79 | |
53 | #define IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE 0x1993 | |
54 | ||
55 | /* Used in some .NET DLLs that target a specific OS. */ | |
56 | #define I386_APPLE_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_APPLE_OVERRIDE) | |
57 | #define I386_FREEBSD_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_FREEBSD_OVERRIDE) | |
58 | #define I386_LINUX_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_LINUX_OVERRIDE) | |
59 | #define I386_NETBSD_MAGIC (I386MAGIC ^ IMAGE_FILE_MACHINE_NATIVE_NETBSD_OVERRIDE) | |
60 | ||
4f1d9bd8 | 61 | #define I386BADMAG(x) ( ((x).f_magic != I386MAGIC) \ |
1dd1bc4d OM |
62 | && (x).f_magic != I386_APPLE_MAGIC \ |
63 | && (x).f_magic != I386_FREEBSD_MAGIC \ | |
64 | && (x).f_magic != I386_LINUX_MAGIC \ | |
65 | && (x).f_magic != I386_NETBSD_MAGIC \ | |
252b5132 RH |
66 | && (x).f_magic != I386AIXMAGIC \ |
67 | && (x).f_magic != I386PTXMAGIC \ | |
68 | && (x).f_magic != LYNXCOFFMAGIC) | |
69 | ||
e05da72d NC |
70 | #define OMAGIC 0404 /* Object files, eg as output. */ |
71 | #define ZMAGIC 0413 /* Demand load format, eg normal ld output. */ | |
72 | #define STMAGIC 0401 /* Target shlib. */ | |
73 | #define SHMAGIC 0443 /* Host shlib. */ | |
252b5132 | 74 | |
e05da72d | 75 | /* Define some NT default values. */ |
252b5132 RH |
76 | /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ |
77 | #define NT_SECTION_ALIGNMENT 0x1000 | |
78 | #define NT_FILE_ALIGNMENT 0x200 | |
79 | #define NT_DEF_RESERVE 0x100000 | |
80 | #define NT_DEF_COMMIT 0x1000 | |
81 | ||
e05da72d | 82 | /* Relocation directives. */ |
252b5132 | 83 | |
4f1d9bd8 NC |
84 | struct external_reloc |
85 | { | |
252b5132 RH |
86 | char r_vaddr[4]; |
87 | char r_symndx[4]; | |
88 | char r_type[2]; | |
89 | }; | |
90 | ||
252b5132 RH |
91 | #define RELOC struct external_reloc |
92 | #define RELSZ 10 | |
93 |