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60bcf0fa | 1 | /* m68hc11 & m68hc12 ELF support for BFD. |
338653f5 | 2 | Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
60bcf0fa NC |
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 | ||
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, | |
e172dbf8 | 18 | Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
60bcf0fa NC |
19 | |
20 | #ifndef _ELF_M68HC11_H | |
21 | #define _ELF_M68HC11_H | |
22 | ||
23 | #include "elf/reloc-macros.h" | |
24 | ||
25 | /* Relocation types. */ | |
26 | START_RELOC_NUMBERS (elf_m68hc11_reloc_type) | |
27 | RELOC_NUMBER (R_M68HC11_NONE, 0) | |
28 | RELOC_NUMBER (R_M68HC11_8, 1) | |
29 | RELOC_NUMBER (R_M68HC11_HI8, 2) | |
30 | RELOC_NUMBER (R_M68HC11_LO8, 3) | |
31 | RELOC_NUMBER (R_M68HC11_PCREL_8, 4) | |
32 | RELOC_NUMBER (R_M68HC11_16, 5) | |
33 | RELOC_NUMBER (R_M68HC11_32, 6) | |
34 | RELOC_NUMBER (R_M68HC11_3B, 7) | |
35 | RELOC_NUMBER (R_M68HC11_PCREL_16, 8) | |
36 | ||
37 | /* These are GNU extensions to enable C++ vtable garbage collection. */ | |
38 | RELOC_NUMBER (R_M68HC11_GNU_VTINHERIT, 9) | |
39 | RELOC_NUMBER (R_M68HC11_GNU_VTENTRY, 10) | |
338653f5 SC |
40 | |
41 | RELOC_NUMBER (R_M68HC11_24, 11) | |
42 | RELOC_NUMBER (R_M68HC11_LO16, 12) | |
43 | RELOC_NUMBER (R_M68HC11_PAGE, 13) | |
44 | ||
45 | /* GNU extension for linker relaxation. | |
46 | Mark beginning of a jump instruction (any form). */ | |
47 | RELOC_NUMBER (R_M68HC11_RL_JUMP, 20) | |
48 | ||
49 | /* Mark beginning of Gcc relaxation group instruction. */ | |
50 | RELOC_NUMBER (R_M68HC11_RL_GROUP, 21) | |
60bcf0fa NC |
51 | END_RELOC_NUMBERS (R_M68HC11_max) |
52 | ||
338653f5 SC |
53 | /* Processor specific flags for the ELF header e_flags field. */ |
54 | ||
55 | /* ABI identification. */ | |
56 | #define EF_M68HC11_ABI 0x00000000F | |
57 | ||
58 | /* Integers are 32-bit long. */ | |
59 | #define E_M68HC11_I32 0x000000001 | |
60 | ||
61 | /* Doubles are 64-bit long. */ | |
62 | #define E_M68HC11_F64 0x000000002 | |
63 | ||
64 | /* Uses 68HC12 memory banks. */ | |
65 | #define E_M68HC12_BANKS 0x000000004 | |
66 | ||
542751c4 SC |
67 | #define EF_M68HC11_MACH_MASK 0xF0 |
68 | #define EF_M68HC11_GENERIC 0x00 /* Generic 68HC12/backward compatibility. */ | |
69 | #define EF_M68HC12_MACH 0x10 /* 68HC12 microcontroller. */ | |
70 | #define EF_M68HCS12_MACH 0x20 /* 68HCS12 microcontroller. */ | |
71 | #define EF_M68HC11_MACH(mach) ((mach) & EF_M68HC11_MACH_MASK) | |
72 | ||
73 | /* True if we can merge machines. A generic HC12 can work on any proc | |
74 | but once we have specific code, merge is not possible. */ | |
75 | #define EF_M68HC11_CAN_MERGE_MACH(mach1, mach2) \ | |
76 | ((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ | |
77 | || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC) \ | |
78 | || (EF_M68HC11_MACH (mach2) == EF_M68HC11_GENERIC)) | |
79 | ||
80 | #define EF_M68HC11_MERGE_MACH(mach1, mach2) \ | |
81 | (((EF_M68HC11_MACH (mach1) == EF_M68HC11_MACH (mach2)) \ | |
82 | || (EF_M68HC11_MACH (mach1) == EF_M68HC11_GENERIC)) ? \ | |
83 | EF_M68HC11_MACH (mach2) : EF_M68HC11_MACH (mach1)) | |
84 | ||
338653f5 SC |
85 | \f |
86 | /* Special values for the st_other field in the symbol table. These | |
87 | are used for 68HC12 to identify far functions (must be called with | |
88 | 'call' and returns with 'rtc'). */ | |
89 | #define STO_M68HC12_FAR 0x80 | |
90 | ||
91 | /* Identify interrupt handlers. This is used by the debugger to | |
92 | correctly compute the stack frame. */ | |
93 | #define STO_M68HC12_INTERRUPT 0x40 | |
94 | ||
60bcf0fa | 95 | #endif |