projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 4f1d9bd8 NC |
1 | /* a.out specifics for Sequent Symmetry running Dynix 3.x |
| 2 | ||
| e4e42b45 | 3 | Copyright 2001, 2010 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 | 8 | (at your option) any later version. |
| e4e42b45 | 9 | |
| 4f1d9bd8 NC |
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. | |
| e4e42b45 | 14 | |
| 4f1d9bd8 NC |
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 | 19 | |
| 252b5132 RH |
20 | #ifndef A_OUT_DYNIX3_H |
| 21 | #define A_OUT_DYNIX3_H | |
| 22 | ||
| 23 | #define external_exec dynix_external_exec | |
| 24 | ||
| 25 | /* struct exec for Dynix 3 | |
| 4f1d9bd8 NC |
26 | |
| 27 | a_gdtbl and a_bootstrap are only for standalone binaries. | |
| 28 | Shared data fields are not supported by the kernel as of Dynix 3.1, | |
| 29 | but are supported by Dynix compiler programs. */ | |
| 30 | struct dynix_external_exec | |
| 31 | { | |
| 32 | unsigned char e_info[4]; | |
| 33 | unsigned char e_text[4]; | |
| 34 | unsigned char e_data[4]; | |
| 35 | unsigned char e_bss[4]; | |
| 36 | unsigned char e_syms[4]; | |
| 37 | unsigned char e_entry[4]; | |
| 38 | unsigned char e_trsize[4]; | |
| 39 | unsigned char e_drsize[4]; | |
| 40 | unsigned char e_g_code[8]; | |
| 41 | unsigned char e_g_data[8]; | |
| 42 | unsigned char e_g_desc[8]; | |
| 43 | unsigned char e_shdata[4]; | |
| 44 | unsigned char e_shbss[4]; | |
| 45 | unsigned char e_shdrsize[4]; | |
| 46 | unsigned char e_bootstrap[44]; | |
| 47 | unsigned char e_reserved[12]; | |
| 48 | unsigned char e_version[4]; | |
| 49 | }; | |
| 252b5132 RH |
50 | |
| 51 | #define EXEC_BYTES_SIZE (128) | |
| 52 | ||
| 4f1d9bd8 NC |
53 | /* All executables under Dynix are demand paged with read-only text, |
| 54 | Thus no NMAGIC. | |
| 55 | ||
| 56 | ZMAGIC has a page of 0s at virtual 0, | |
| 57 | XMAGIC has an invalid page at virtual 0. */ | |
| 252b5132 RH |
58 | #define OMAGIC 0x12eb /* .o */ |
| 59 | #define ZMAGIC 0x22eb /* zero @ 0, demand load */ | |
| 60 | #define XMAGIC 0x32eb /* invalid @ 0, demand load */ | |
| 61 | #define SMAGIC 0x42eb /* standalone, not supported here */ | |
| 62 | ||
| 63 | #define N_BADMAG(x) ((OMAGIC != N_MAGIC(x)) && \ | |
| 64 | (ZMAGIC != N_MAGIC(x)) && \ | |
| 65 | (XMAGIC != N_MAGIC(x)) && \ | |
| 66 | (SMAGIC != N_MAGIC(x))) | |
| 67 | ||
| 68 | #define N_ADDRADJ(x) ((ZMAGIC == N_MAGIC(x) || XMAGIC == N_MAGIC(x)) ? 0x1000 : 0) | |
| 69 | ||
| 70 | #define N_TXTOFF(x) (EXEC_BYTES_SIZE) | |
| 71 | #define N_DATOFF(x) (N_TXTOFF(x) + N_TXTSIZE(x)) | |
| 72 | #define N_SHDATOFF(x) (N_DATOFF(x) + (x).a_data) | |
| 73 | #define N_TRELOFF(x) (N_SHDATOFF(x) + (x).a_shdata) | |
| 74 | #define N_DRELOFF(x) (N_TRELOFF(x) + (x).a_trsize) | |
| 75 | #define N_SHDRELOFF(x) (N_DRELOFF(x) + (x).a_drsize) | |
| 76 | #define N_SYMOFF(x) (N_SHDRELOFF(x) + (x).a_shdrsize) | |
| 77 | #define N_STROFF(x) (N_SYMOFF(x) + (x).a_syms) | |
| 78 | ||
| 79 | #define N_TXTADDR(x) \ | |
| 80 | (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? 0 \ | |
| 81 | : TEXT_START_ADDR + EXEC_BYTES_SIZE) | |
| 82 | ||
| 83 | #define N_TXTSIZE(x) \ | |
| 84 | (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? ((x).a_text) \ | |
| 85 | : ((x).a_text - N_ADDRADJ(x) - EXEC_BYTES_SIZE)) | |
| 86 | ||
| 87 | #endif /* A_OUT_DYNIX3_H */ |