| /* a.out specifics for Sequent Symmetry running Dynix 3.x |
| |
| Copyright (C) 2001-2016 Free Software Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #ifndef A_OUT_DYNIX3_H |
| #define A_OUT_DYNIX3_H |
| |
| #define external_exec dynix_external_exec |
| |
| /* struct exec for Dynix 3 |
| |
| a_gdtbl and a_bootstrap are only for standalone binaries. |
| Shared data fields are not supported by the kernel as of Dynix 3.1, |
| but are supported by Dynix compiler programs. */ |
| struct dynix_external_exec |
| { |
| unsigned char e_info[4]; |
| unsigned char e_text[4]; |
| unsigned char e_data[4]; |
| unsigned char e_bss[4]; |
| unsigned char e_syms[4]; |
| unsigned char e_entry[4]; |
| unsigned char e_trsize[4]; |
| unsigned char e_drsize[4]; |
| unsigned char e_g_code[8]; |
| unsigned char e_g_data[8]; |
| unsigned char e_g_desc[8]; |
| unsigned char e_shdata[4]; |
| unsigned char e_shbss[4]; |
| unsigned char e_shdrsize[4]; |
| unsigned char e_bootstrap[44]; |
| unsigned char e_reserved[12]; |
| unsigned char e_version[4]; |
| }; |
| |
| #define EXEC_BYTES_SIZE (128) |
| |
| /* All executables under Dynix are demand paged with read-only text, |
| Thus no NMAGIC. |
| |
| ZMAGIC has a page of 0s at virtual 0, |
| XMAGIC has an invalid page at virtual 0. */ |
| #define OMAGIC 0x12eb /* .o */ |
| #define ZMAGIC 0x22eb /* zero @ 0, demand load */ |
| #define XMAGIC 0x32eb /* invalid @ 0, demand load */ |
| #define SMAGIC 0x42eb /* standalone, not supported here */ |
| |
| #define N_BADMAG(x) ((OMAGIC != N_MAGIC(x)) && \ |
| (ZMAGIC != N_MAGIC(x)) && \ |
| (XMAGIC != N_MAGIC(x)) && \ |
| (SMAGIC != N_MAGIC(x))) |
| |
| #define N_ADDRADJ(x) ((ZMAGIC == N_MAGIC(x) || XMAGIC == N_MAGIC(x)) ? 0x1000 : 0) |
| |
| #define N_TXTOFF(x) (EXEC_BYTES_SIZE) |
| #define N_DATOFF(x) (N_TXTOFF(x) + N_TXTSIZE(x)) |
| #define N_SHDATOFF(x) (N_DATOFF(x) + (x)->a_data) |
| #define N_TRELOFF(x) (N_SHDATOFF(x) + (x)->a_shdata) |
| #define N_DRELOFF(x) (N_TRELOFF(x) + (x)->a_trsize) |
| #define N_SHDRELOFF(x) (N_DRELOFF(x) + (x)->a_drsize) |
| #define N_SYMOFF(x) (N_SHDRELOFF(x) + (x)->a_shdrsize) |
| #define N_STROFF(x) (N_SYMOFF(x) + (x)->a_syms) |
| |
| #define N_TXTADDR(x) \ |
| (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? 0 \ |
| : TEXT_START_ADDR + EXEC_BYTES_SIZE) |
| |
| #define N_TXTSIZE(x) \ |
| (((OMAGIC == N_MAGIC(x)) || (SMAGIC == N_MAGIC(x))) ? ((x)->a_text) \ |
| : ((x)->a_text - N_ADDRADJ(x) - EXEC_BYTES_SIZE)) |
| |
| #endif /* A_OUT_DYNIX3_H */ |