Commit | Line | Data |
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c28b1c28 | 1 | /* COFF information for the Intel i860. |
4f1d9bd8 | 2 | |
c28b1c28 | 3 | Copyright 2001, 2003 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 | |
7 | the Free Software Foundation; either version 2 of the License, or | |
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 | |
e172dbf8 | 17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 | 18 | |
4f1d9bd8 | 19 | /* This file was hacked from i386.h [dolan@ssd.intel.com] */ |
252b5132 | 20 | |
4f1d9bd8 NC |
21 | #define L_LNNO_SIZE 2 |
22 | #include "coff/external.h" | |
252b5132 RH |
23 | |
24 | /* Bits for f_flags: | |
4f1d9bd8 NC |
25 | F_RELFLG relocation info stripped from file |
26 | F_EXEC file is executable (no unresolved external references) | |
27 | F_LNNO line numbers stripped from file | |
28 | F_LSYMS local symbols stripped from file | |
29 | F_AR32WR file has byte ordering of an AR32WR machine (e.g. vax). */ | |
252b5132 RH |
30 | |
31 | #define F_RELFLG (0x0001) | |
32 | #define F_EXEC (0x0002) | |
33 | #define F_LNNO (0x0004) | |
34 | #define F_LSYMS (0x0008) | |
35 | ||
252b5132 RH |
36 | #define I860MAGIC 0x14d |
37 | ||
38 | #define I860BADMAG(x) ((x).f_magic != I860MAGIC) | |
39 | ||
1df8af70 JE |
40 | #undef AOUTSZ |
41 | #define AOUTSZ 36 | |
42 | ||
252b5132 RH |
43 | /* FIXME: What are the a.out magic numbers? */ |
44 | ||
4f1d9bd8 | 45 | #define _ETEXT "etext" |
252b5132 RH |
46 | |
47 | /********************** RELOCATION DIRECTIVES **********************/ | |
48 | ||
4f1d9bd8 NC |
49 | struct external_reloc |
50 | { | |
252b5132 RH |
51 | char r_vaddr[4]; |
52 | char r_symndx[4]; | |
53 | char r_type[2]; | |
54 | }; | |
55 | ||
252b5132 RH |
56 | #define RELOC struct external_reloc |
57 | #define RELSZ 10 | |
c28b1c28 JE |
58 | |
59 | /* The relocation directory entry types. | |
60 | PAIR : The low half that follows relates to the preceeding HIGH[ADJ]. | |
61 | HIGH : The high half of a 32-bit constant. | |
62 | LOWn : The low half, insn bits 15..(n-1), 2^n-byte aligned. | |
63 | SPLITn : The low half, insn bits 20..16 and 10..(n-1), 2^n-byte aligned. | |
64 | HIGHADJ: Similar to HIGH, but with adjustment. | |
65 | BRADDR : 26-bit branch displacement. | |
66 | ||
67 | Note: The Intel assembler manual lists LOW4 as one of the | |
68 | relocation types, but it appears to be useless for the i860. | |
69 | We will recognize it anyway, just in case it actually appears in | |
70 | any object files. */ | |
71 | ||
72 | enum { | |
73 | COFF860_R_PAIR = 0x1c, | |
74 | COFF860_R_HIGH = 0x1e, | |
75 | COFF860_R_LOW0 = 0x1f, | |
76 | COFF860_R_LOW1 = 0x20, | |
77 | COFF860_R_LOW2 = 0x21, | |
78 | COFF860_R_LOW3 = 0x22, | |
79 | COFF860_R_LOW4 = 0x23, | |
80 | COFF860_R_SPLIT0 = 0x24, | |
81 | COFF860_R_SPLIT1 = 0x25, | |
82 | COFF860_R_SPLIT2 = 0x26, | |
83 | COFF860_R_HIGHADJ = 0x27, | |
84 | COFF860_R_BRADDR = 0x28 | |
85 | }; | |
86 |