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Diffstat (limited to 'Build/source/utils/xml2pmx/xml2pmx-src/exec.h')
-rw-r--r-- | Build/source/utils/xml2pmx/xml2pmx-src/exec.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/Build/source/utils/xml2pmx/xml2pmx-src/exec.h b/Build/source/utils/xml2pmx/xml2pmx-src/exec.h deleted file mode 100644 index ea75f365361..00000000000 --- a/Build/source/utils/xml2pmx/xml2pmx-src/exec.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * exec.h - * - * This file is part of the Oxford Oberon-2 compiler - * Copyright (c) 2006--2016 J. M. Spivey - * All rights reserved - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* -The binary file output by the linker and input by the run-time -interpreter consists of several segments followed by a trailer that -describes the layout of the segments. The segments may be preceded -by a block of arbitrary data, but they must appear in the following order: - - CODE, DATA, RELOC, SYMTAB - -By using a trailer rather than a header, we allow for a binary file -also to be a valid file in another format that uses a header -- like -the executable format of most operating systems including various -Unixes and MS--DOS. In that format, our code is just junk beyond the -end of the file, and it is usually ignored. So we can make -self-contained executables by concatenating the interpreter with the -code for a program. This idea was stolen from CAML Light. -*/ - -/* Codes for the segments: they must appear in the object file - in this order */ -#define NSEGS 4 -#define S_CODE 0 /* Bytecode */ -#define S_DATA 1 /* Initialized data */ -#define S_BSS 2 /* Below stack storage */ -#define S_STACK 3 /* Stack */ - -typedef uchar word4[4]; - -typedef struct { - word4 magic; /* Magic number 'OBCX' */ - word4 sig; /* Signature */ - word4 primsig; /* Checksum of primitives */ - word4 start; /* Offset of data start from end of file */ - word4 entry; /* Entry point */ - word4 gcmap; /* Global pointer map */ - word4 libdir; /* Location of dynamic libraries */ - word4 segment[NSEGS]; /* Segment sizes */ - word4 nprocs, nmods, nsyms; /* No. of procs, modules, symbols */ -} trailer; - - -/* Layout of relocation data */ -#define WORD_SIZE 4 -#define CODES_PER_BYTE 4 -#define BITS_PER_CODE 2 -#define CODE_MASK ((1 << BITS_PER_CODE) - 1) - -#define reloc_bits(buf, i) (buf[(i)/CODES_PER_BYTE] >> \ - ((i) % CODES_PER_BYTE * BITS_PER_CODE) & CODE_MASK) - -#define IBIT 0x80000000 - -/* Relocation codes */ -#define R_NONE 0 -#define R_WORD 1 -#define R_ADDR 2 -#define R_SUBR 3 - -/* Symbol tags */ -#define X_NONE 0 -#define X_MODULE 1 -#define X_PROC 2 -#define X_DATA 3 -#define X_LINE 4 -#define X_SYM 5 - -/* Fixed primitives */ -#define INTERP 0 /* Index of interpreter as primitive */ -#define DLTRAP 1 /* Index of dynlink trap */ |