583 lines
22 KiB
C
583 lines
22 KiB
C
/* nasm.h main header file for the Netwide Assembler: inter-module interface
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*
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* The Netwide Assembler is copyright (C) 1996 Simon Tatham and
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* Julian Hall. All rights reserved. The software is
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* redistributable under the licence given in the file "Licence"
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* distributed in the NASM archive.
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*
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* initial version: 27/iii/95 by Simon Tatham
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*/
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#ifndef NASM_NASM_H
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#define NASM_NASM_H
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#define NASM_MAJOR_VER 0
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#define NASM_MINOR_VER 95
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#define NASM_VER "0.95"
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef FALSE
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#define FALSE 0 /* comes in handy */
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#define NO_SEG -1L /* null segment value */
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#define SEG_ABS 0x40000000L /* mask for far-absolute segments */
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#ifndef FILENAME_MAX
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#define FILENAME_MAX 256
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#endif
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/*
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* We must declare the existence of this structure type up here,
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* since we have to reference it before we define it...
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*/
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struct ofmt;
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/*
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* -------------------------
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* Error reporting functions
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* -------------------------
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*/
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/*
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* An error reporting function should look like this.
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*/
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typedef void (*efunc) (int severity, char *fmt, ...);
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/*
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* These are the error severity codes which get passed as the first
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* argument to an efunc.
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*/
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#define ERR_WARNING 0 /* warn only: no further action */
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#define ERR_NONFATAL 1 /* terminate assembly after phase */
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#define ERR_FATAL 2 /* instantly fatal: exit with error */
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#define ERR_PANIC 3 /* internal error: panic instantly
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* and dump core for reference */
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#define ERR_MASK 0x0F /* mask off the above codes */
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#define ERR_NOFILE 0x10 /* don't give source file name/line */
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#define ERR_USAGE 0x20 /* print a usage message */
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#define ERR_OFFBY1 0x40 /* report error as being on the line
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* we're just _about_ to read, not
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* the one we've just read */
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/*
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* These codes define specific types of suppressible warning.
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*/
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#define ERR_WARN_MNP 0x0100 /* macro-num-parameters warning */
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#define ERR_WARN_OL 0x0200 /* orphan label (no colon, and
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* alone on line) */
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#define ERR_WARN_MASK 0xFF00 /* the mask for this feature */
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#define ERR_WARN_SHR 8 /* how far to shift right */
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#define ERR_WARN_MAX 2 /* the highest numbered one */
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/*
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* -----------------------
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* Other function typedefs
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* -----------------------
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*/
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/*
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* A label-lookup function should look like this.
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*/
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typedef int (*lfunc) (char *label, long *segment, long *offset);
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/*
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* And a label-definition function like this.
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*/
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typedef void (*ldfunc) (char *label, long segment, long offset,
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struct ofmt *ofmt, efunc error);
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/*
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* List-file generators should look like this:
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*/
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typedef struct {
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/*
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* Called to initialise the listing file generator. Before this
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* is called, the other routines will silently do nothing when
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* called. The `char *' parameter is the file name to write the
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* listing to.
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*/
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void (*init) (char *, efunc);
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/*
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* Called to clear stuff up and close the listing file.
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*/
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void (*cleanup) (void);
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/*
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* Called to output binary data. Parameters are: the offset;
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* the data; the data type. Data types are similar to the
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* output-format interface, only OUT_ADDRESS will _always_ be
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* displayed as if it's relocatable, so ensure that any non-
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* relocatable address has been converted to OUT_RAWDATA by
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* then. Note that OUT_RAWDATA+0 is a valid data type, and is a
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* dummy call used to give the listing generator an offset to
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* work with when doing things like uplevel(LIST_TIMES) or
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* uplevel(LIST_INCBIN).
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*/
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void (*output) (long, void *, unsigned long);
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/*
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* Called to send a text line to the listing generator. The
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* `int' parameter is LIST_READ or LIST_MACRO depending on
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* whether the line came directly from an input file or is the
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* result of a multi-line macro expansion.
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*/
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void (*line) (int, char *);
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/*
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* Called to change one of the various levelled mechanisms in
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* the listing generator. LIST_INCLUDE and LIST_MACRO can be
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* used to increase the nesting level of include files and
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* macro expansions; LIST_TIMES and LIST_INCBIN switch on the
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* two binary-output-suppression mechanisms for large-scale
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* pseudo-instructions.
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*
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* LIST_MACRO_NOLIST is synonymous with LIST_MACRO except that
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* it indicates the beginning of the expansion of a `nolist'
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* macro, so anything under that level won't be expanded unless
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* it includes another file.
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*/
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void (*uplevel) (int);
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/*
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* Reverse the effects of uplevel.
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*/
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void (*downlevel) (int);
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} ListGen;
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/*
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* Preprocessors ought to look like this:
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*/
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typedef struct {
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/*
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* Called at the start of a pass; given a file name, an error
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* reporting function and a listing generator to talk to.
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*/
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void (*reset) (char *, efunc, ListGen *);
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/*
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* Called to fetch a line of preprocessed source. The line
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* returned has been malloc'ed, and so should be freed after
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* use.
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*/
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char *(*getline) (void);
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/*
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* Called at the end of a pass.
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*/
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void (*cleanup) (void);
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} Preproc;
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/*
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* ----------------------------------------------------------------
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* Some lexical properties of the NASM source language, included
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* here because they are shared between the parser and preprocessor
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* ----------------------------------------------------------------
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*/
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/* isidstart matches any character that may start an identifier, and isidchar
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* matches any character that may appear at places other than the start of an
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* identifier. E.g. a period may only appear at the start of an identifier
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* (for local labels), whereas a number may appear anywhere *but* at the
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* start. */
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#define isidstart(c) ( isalpha(c) || (c)=='_' || (c)=='.' || (c)=='?' \
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|| (c)=='@' )
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#define isidchar(c) ( isidstart(c) || isdigit(c) || (c)=='$' || (c)=='#' \
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|| (c)=='~' )
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/* Ditto for numeric constants. */
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#define isnumstart(c) ( isdigit(c) || (c)=='$' )
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#define isnumchar(c) ( isalnum(c) )
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/* This returns the numeric value of a given 'digit'. */
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#define numvalue(c) ((c)>='a' ? (c)-'a'+10 : (c)>='A' ? (c)-'A'+10 : (c)-'0')
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/*
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* Data-type flags that get passed to listing-file routines.
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*/
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enum {
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LIST_READ, LIST_MACRO, LIST_MACRO_NOLIST, LIST_INCLUDE,
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LIST_INCBIN, LIST_TIMES
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};
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/*
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* -----------------------------------------------------------
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* Format of the `insn' structure returned from `parser.c' and
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* passed into `assemble.c'
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* -----------------------------------------------------------
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*/
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/*
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* Here we define the operand types. These are implemented as bit
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* masks, since some are subsets of others; e.g. AX in a MOV
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* instruction is a special operand type, whereas AX in other
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* contexts is just another 16-bit register. (Also, consider CL in
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* shift instructions, DX in OUT, etc.)
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*/
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/* size, and other attributes, of the operand */
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#define BITS8 0x00000001L
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#define BITS16 0x00000002L
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#define BITS32 0x00000004L
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#define BITS64 0x00000008L /* FPU only */
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#define BITS80 0x00000010L /* FPU only */
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#define FAR 0x00000020L /* grotty: this means 16:16 or */
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/* 16:32, like in CALL/JMP */
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#define NEAR 0x00000040L
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#define SHORT 0x00000080L /* and this means what it says :) */
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#define SIZE_MASK 0x000000FFL /* all the size attributes */
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#define NON_SIZE (~SIZE_MASK)
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#define TO 0x00000100L /* reverse effect in FADD, FSUB &c */
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#define COLON 0x00000200L /* operand is followed by a colon */
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/* type of operand: memory reference, register, etc. */
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#define MEMORY 0x00204000L
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#define REGISTER 0x00001000L /* register number in 'basereg' */
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#define IMMEDIATE 0x00002000L
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#define REGMEM 0x00200000L /* for r/m, ie EA, operands */
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#define REGNORM 0x00201000L /* 'normal' reg, qualifies as EA */
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#define REG8 0x00201001L
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#define REG16 0x00201002L
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#define REG32 0x00201004L
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#define FPUREG 0x01000000L /* floating point stack registers */
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#define FPU0 0x01000800L /* FPU stack register zero */
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#define MMXREG 0x00001008L /* MMX registers */
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/* special register operands: these may be treated differently */
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#define REG_SMASK 0x00070000L /* a mask for the following */
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#define REG_ACCUM 0x00211000L /* accumulator: AL, AX or EAX */
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#define REG_AL 0x00211001L /* REG_ACCUM | BITSxx */
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#define REG_AX 0x00211002L /* ditto */
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#define REG_EAX 0x00211004L /* and again */
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#define REG_COUNT 0x00221000L /* counter: CL, CX or ECX */
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#define REG_CL 0x00221001L /* REG_COUNT | BITSxx */
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#define REG_CX 0x00221002L /* ditto */
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#define REG_ECX 0x00221004L /* another one */
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#define REG_DX 0x00241002L
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#define REG_SREG 0x00081002L /* any segment register */
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#define REG_CS 0x01081002L /* CS */
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#define REG_DESS 0x02081002L /* DS, ES, SS (non-CS 86 registers) */
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#define REG_FSGS 0x04081002L /* FS, GS (386 extended registers) */
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#define REG_CDT 0x00101004L /* CRn, DRn and TRn */
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#define REG_CREG 0x08101004L /* CRn */
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#define REG_CR4 0x08101404L /* CR4 (Pentium only) */
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#define REG_DREG 0x10101004L /* DRn */
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#define REG_TREG 0x20101004L /* TRn */
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/* special type of EA */
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#define MEM_OFFS 0x00604000L /* simple [address] offset */
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/* special type of immediate operand */
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#define ONENESS 0x00800000L /* so UNITY == IMMEDIATE | ONENESS */
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#define UNITY 0x00802000L /* for shift/rotate instructions */
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/*
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* Next, the codes returned from the parser, for registers and
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* instructions.
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*/
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enum { /* register names */
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R_AH = 1, R_AL, R_AX, R_BH, R_BL, R_BP, R_BX, R_CH, R_CL, R_CR0,
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R_CR2, R_CR3, R_CR4, R_CS, R_CX, R_DH, R_DI, R_DL, R_DR0, R_DR1,
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R_DR2, R_DR3, R_DR6, R_DR7, R_DS, R_DX, R_EAX, R_EBP, R_EBX,
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R_ECX, R_EDI, R_EDX, R_ES, R_ESI, R_ESP, R_FS, R_GS, R_MM0,
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R_MM1, R_MM2, R_MM3, R_MM4, R_MM5, R_MM6, R_MM7, R_SI, R_SP,
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R_SS, R_ST0, R_ST1, R_ST2, R_ST3, R_ST4, R_ST5, R_ST6, R_ST7,
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R_TR3, R_TR4, R_TR5, R_TR6, R_TR7, REG_ENUM_LIMIT
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};
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enum { /* instruction names */
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I_AAA, I_AAD, I_AAM, I_AAS, I_ADC, I_ADD, I_AND, I_ARPL,
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I_BOUND, I_BSF, I_BSR, I_BSWAP, I_BT, I_BTC, I_BTR, I_BTS,
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I_CALL, I_CBW, I_CDQ, I_CLC, I_CLD, I_CLI, I_CLTS, I_CMC, I_CMP,
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I_CMPSB, I_CMPSD, I_CMPSW, I_CMPXCHG, I_CMPXCHG486, I_CMPXCHG8B,
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I_CPUID, I_CWD, I_CWDE, I_DAA, I_DAS, I_DB, I_DD, I_DEC, I_DIV,
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I_DQ, I_DT, I_DW, I_EMMS, I_ENTER, I_EQU, I_F2XM1, I_FABS,
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I_FADD, I_FADDP, I_FBLD, I_FBSTP, I_FCHS, I_FCLEX, I_FCMOVB,
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I_FCMOVBE, I_FCMOVE, I_FCMOVNB, I_FCMOVNBE, I_FCMOVNE,
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I_FCMOVNU, I_FCMOVU, I_FCOM, I_FCOMI, I_FCOMIP, I_FCOMP,
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I_FCOMPP, I_FCOS, I_FDECSTP, I_FDISI, I_FDIV, I_FDIVP, I_FDIVR,
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I_FDIVRP, I_FENI, I_FFREE, I_FIADD, I_FICOM, I_FICOMP, I_FIDIV,
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I_FIDIVR, I_FILD, I_FIMUL, I_FINCSTP, I_FINIT, I_FIST, I_FISTP,
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I_FISUB, I_FISUBR, I_FLD, I_FLD1, I_FLDCW, I_FLDENV, I_FLDL2E,
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I_FLDL2T, I_FLDLG2, I_FLDLN2, I_FLDPI, I_FLDZ, I_FMUL, I_FMULP,
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I_FNOP, I_FPATAN, I_FPREM, I_FPREM1, I_FPTAN, I_FRNDINT,
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I_FRSTOR, I_FSAVE, I_FSCALE, I_FSETPM, I_FSIN, I_FSINCOS,
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I_FSQRT, I_FST, I_FSTCW, I_FSTENV, I_FSTP, I_FSTSW, I_FSUB,
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I_FSUBP, I_FSUBR, I_FSUBRP, I_FTST, I_FUCOM, I_FUCOMI,
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I_FUCOMIP, I_FUCOMP, I_FUCOMPP, I_FXAM, I_FXCH, I_FXTRACT,
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I_FYL2X, I_FYL2XP1, I_HLT, I_IBTS, I_ICEBP, I_IDIV, I_IMUL,
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I_IN, I_INC, I_INCBIN, I_INSB, I_INSD, I_INSW, I_INT, I_INT1,
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I_INT01, I_INT3, I_INTO, I_INVD, I_INVLPG, I_IRET, I_IRETD,
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I_IRETW, I_JCXZ, I_JECXZ, I_JMP, I_LAHF, I_LAR, I_LDS, I_LEA,
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I_LEAVE, I_LES, I_LFS, I_LGDT, I_LGS, I_LIDT, I_LLDT, I_LMSW,
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I_LOADALL, I_LOADALL286, I_LODSB, I_LODSD, I_LODSW, I_LOOP,
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I_LOOPE, I_LOOPNE, I_LOOPNZ, I_LOOPZ, I_LSL, I_LSS, I_LTR,
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I_MOV, I_MOVD, I_MOVQ, I_MOVSB, I_MOVSD, I_MOVSW, I_MOVSX,
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I_MOVZX, I_MUL, I_NEG, I_NOP, I_NOT, I_OR, I_OUT, I_OUTSB,
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I_OUTSD, I_OUTSW, I_PACKSSDW, I_PACKSSWB, I_PACKUSWB, I_PADDB,
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I_PADDD, I_PADDSB, I_PADDSW, I_PADDUSB, I_PADDUSW, I_PADDW,
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I_PAND, I_PANDN, I_PCMPEQB, I_PCMPEQD, I_PCMPEQW, I_PCMPGTB,
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I_PCMPGTD, I_PCMPGTW, I_PMADDWD, I_PMULHW, I_PMULLW, I_POP,
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I_POPA, I_POPAD, I_POPAW, I_POPF, I_POPFD, I_POPFW, I_POR,
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I_PSLLD, I_PSLLQ, I_PSLLW, I_PSRAD, I_PSRAW, I_PSRLD, I_PSRLQ,
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I_PSRLW, I_PSUBB, I_PSUBD, I_PSUBSB, I_PSUBSW, I_PSUBUSB,
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I_PSUBUSW, I_PSUBW, I_PUNPCKHBW, I_PUNPCKHDQ, I_PUNPCKHWD,
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I_PUNPCKLBW, I_PUNPCKLDQ, I_PUNPCKLWD, I_PUSH, I_PUSHA,
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I_PUSHAD, I_PUSHAW, I_PUSHF, I_PUSHFD, I_PUSHFW, I_PXOR, I_RCL,
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I_RCR, I_RDMSR, I_RDPMC, I_RDTSC, I_RESB, I_RESD, I_RESQ,
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I_REST, I_RESW, I_RET, I_RETF, I_RETN, I_ROL, I_ROR, I_RSM,
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I_SAHF, I_SAL, I_SALC, I_SAR, I_SBB, I_SCASB, I_SCASD, I_SCASW,
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I_SGDT, I_SHL, I_SHLD, I_SHR, I_SHRD, I_SIDT, I_SLDT, I_SMI,
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I_SMSW, I_STC, I_STD, I_STI, I_STOSB, I_STOSD, I_STOSW, I_STR,
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I_SUB, I_TEST, I_UMOV, I_VERR, I_VERW, I_WAIT, I_WBINVD,
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I_WRMSR, I_XADD, I_XBTS, I_XCHG, I_XLATB, I_XOR, I_CMOVcc,
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I_Jcc, I_SETcc
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};
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enum { /* condition code names */
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C_A, C_AE, C_B, C_BE, C_C, C_E, C_G, C_GE, C_L, C_LE, C_NA, C_NAE,
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C_NB, C_NBE, C_NC, C_NE, C_NG, C_NGE, C_NL, C_NLE, C_NO, C_NP,
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C_NS, C_NZ, C_O, C_P, C_PE, C_PO, C_S, C_Z
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};
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/*
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* Note that because segment registers may be used as instruction
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* prefixes, we must ensure the enumerations for prefixes and
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* register names do not overlap.
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*/
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enum { /* instruction prefixes */
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PREFIX_ENUM_START = REG_ENUM_LIMIT,
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P_A16 = PREFIX_ENUM_START, P_A32, P_LOCK, P_O16, P_O32, P_REP, P_REPE,
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P_REPNE, P_REPNZ, P_REPZ, P_TIMES
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};
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enum { /* extended operand types */
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EOT_NOTHING, EOT_DB_STRING, EOT_DB_NUMBER
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};
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typedef struct { /* operand to an instruction */
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long type; /* type of operand */
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int addr_size; /* 0 means default; 16; 32 */
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int basereg, indexreg, scale; /* registers and scale involved */
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long segment; /* immediate segment, if needed */
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long offset; /* any immediate number */
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long wrt; /* segment base it's relative to */
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} operand;
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typedef struct extop { /* extended operand */
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struct extop *next; /* linked list */
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long type; /* defined above */
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char *stringval; /* if it's a string, then here it is */
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int stringlen; /* ... and here's how long it is */
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long segment; /* if it's a number/address, then... */
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long offset; /* ... it's given here ... */
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long wrt; /* ... and here */
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} extop;
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#define MAXPREFIX 4
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typedef struct { /* an instruction itself */
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char *label; /* the label defined, or NULL */
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int prefixes[MAXPREFIX]; /* instruction prefixes, if any */
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int nprefix; /* number of entries in above */
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int opcode; /* the opcode - not just the string */
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int condition; /* the condition code, if Jcc/SETcc */
|
|
int operands; /* how many operands? 0-3 */
|
|
operand oprs[3]; /* the operands, defined as above */
|
|
extop *eops; /* extended operands */
|
|
long times; /* repeat count (TIMES prefix) */
|
|
int forw_ref; /* is there a forward reference? */
|
|
} insn;
|
|
|
|
/*
|
|
* ------------------------------------------------------------
|
|
* The data structure defining an output format driver, and the
|
|
* interfaces to the functions therein.
|
|
* ------------------------------------------------------------
|
|
*/
|
|
|
|
struct ofmt {
|
|
/*
|
|
* This is a short (one-liner) description of the type of
|
|
* output generated by the driver.
|
|
*/
|
|
char *fullname;
|
|
|
|
/*
|
|
* This is a single keyword used to select the driver.
|
|
*/
|
|
char *shortname;
|
|
|
|
/*
|
|
* This procedure is called at the start of an output session.
|
|
* It tells the output format what file it will be writing to,
|
|
* what routine to report errors through, and how to interface
|
|
* to the label manager if necessary. It also gives it a chance
|
|
* to do other initialisation.
|
|
*/
|
|
void (*init) (FILE *fp, efunc error, ldfunc ldef);
|
|
|
|
/*
|
|
* This procedure is called by assemble() to write actual
|
|
* generated code or data to the object file. Typically it
|
|
* doesn't have to actually _write_ it, just store it for
|
|
* later.
|
|
*
|
|
* The `type' argument specifies the type of output data, and
|
|
* usually the size as well: its contents are described below.
|
|
*/
|
|
void (*output) (long segto, void *data, unsigned long type,
|
|
long segment, long wrt);
|
|
|
|
/*
|
|
* This procedure is called once for every symbol defined in
|
|
* the module being assembled. It gives the name and value of
|
|
* the symbol, in NASM's terms, and indicates whether it has
|
|
* been declared to be global. Note that the parameter "name",
|
|
* when passed, will point to a piece of static storage
|
|
* allocated inside the label manager - it's safe to keep using
|
|
* that pointer, because the label manager doesn't clean up
|
|
* until after the output driver has.
|
|
*
|
|
* Values of `is_global' are: 0 means the symbol is local; 1
|
|
* means the symbol is global; 2 means the symbol is common (in
|
|
* which case `offset' holds the _size_ of the variable).
|
|
* Anything else is available for the output driver to use
|
|
* internally.
|
|
*
|
|
* This routine explicitly _is_ allowed to call the label
|
|
* manager to define further symbols, if it wants to, even
|
|
* though it's been called _from_ the label manager. That much
|
|
* re-entrancy is guaranteed in the label manager. However, the
|
|
* label manager will in turn call this routine, so it should
|
|
* be prepared to be re-entrant itself.
|
|
*/
|
|
void (*symdef) (char *name, long segment, long offset, int is_global);
|
|
|
|
/*
|
|
* This procedure is called when the source code requests a
|
|
* segment change. It should return the corresponding segment
|
|
* _number_ for the name, or NO_SEG if the name is not a valid
|
|
* segment name.
|
|
*
|
|
* It may also be called with NULL, in which case it is to
|
|
* return the _default_ section number for starting assembly in.
|
|
*
|
|
* It is allowed to modify the string it is given a pointer to.
|
|
*
|
|
* It is also allowed to specify a default instruction size for
|
|
* the segment, by setting `*bits' to 16 or 32. Or, if it
|
|
* doesn't wish to define a default, it can leave `bits' alone.
|
|
*/
|
|
long (*section) (char *name, int pass, int *bits);
|
|
|
|
/*
|
|
* This procedure is called to modify the segment base values
|
|
* returned from the SEG operator. It is given a segment base
|
|
* value (i.e. a segment value with the low bit set), and is
|
|
* required to produce in return a segment value which may be
|
|
* different. It can map segment bases to absolute numbers by
|
|
* means of returning SEG_ABS types.
|
|
*/
|
|
long (*segbase) (long segment);
|
|
|
|
/*
|
|
* This procedure is called to allow the output driver to
|
|
* process its own specific directives. When called, it has the
|
|
* directive word in `directive' and the parameter string in
|
|
* `value'. It is called in both assembly passes, and `pass'
|
|
* will be either 1 or 2.
|
|
*
|
|
* This procedure should return zero if it does not _recognise_
|
|
* the directive, so that the main program can report an error.
|
|
* If it recognises the directive but then has its own errors,
|
|
* it should report them itself and then return non-zero. It
|
|
* should also return non-zero if it correctly processes the
|
|
* directive.
|
|
*/
|
|
int (*directive) (char *directive, char *value, int pass);
|
|
|
|
/*
|
|
* This procedure is called before anything else - even before
|
|
* the "init" routine - and is passed the name of the input
|
|
* file from which this output file is being generated. It
|
|
* should return its preferred name for the output file in
|
|
* `outfunc'. Since it is called before the driver is properly
|
|
* initialised, it has to be passed its error handler
|
|
* separately.
|
|
*
|
|
* This procedure may also take its own copy of the input file
|
|
* name for use in writing the output file: it is _guaranteed_
|
|
* that it will be called before the "init" routine.
|
|
*
|
|
* The parameter `outname' points to an area of storage
|
|
* guaranteed to be at least FILENAME_MAX in size.
|
|
*/
|
|
void (*filename) (char *inname, char *outname, efunc error);
|
|
|
|
/*
|
|
* This procedure is called after assembly finishes, to allow
|
|
* the output driver to clean itself up and free its memory.
|
|
* Typically, it will also be the point at which the object
|
|
* file actually gets _written_.
|
|
*
|
|
* One thing the cleanup routine should always do is to close
|
|
* the output file pointer.
|
|
*/
|
|
void (*cleanup) (void);
|
|
};
|
|
|
|
/*
|
|
* values for the `type' parameter to an output function. Each one
|
|
* must have the actual number of _bytes_ added to it.
|
|
*
|
|
* Exceptions are OUT_RELxADR, which denote an x-byte relocation
|
|
* which will be a relative jump. For this we need to know the
|
|
* distance in bytes from the start of the relocated record until
|
|
* the end of the containing instruction. _This_ is what is stored
|
|
* in the size part of the parameter, in this case.
|
|
*
|
|
* Also OUT_RESERVE denotes reservation of N bytes of BSS space,
|
|
* and the contents of the "data" parameter is irrelevant.
|
|
*
|
|
* The "data" parameter for the output function points to a "long",
|
|
* containing the address in question, unless the type is
|
|
* OUT_RAWDATA, in which case it points to an "unsigned char"
|
|
* array.
|
|
*/
|
|
#define OUT_RAWDATA 0x00000000UL
|
|
#define OUT_ADDRESS 0x10000000UL
|
|
#define OUT_REL2ADR 0x20000000UL
|
|
#define OUT_REL4ADR 0x30000000UL
|
|
#define OUT_RESERVE 0x40000000UL
|
|
#define OUT_TYPMASK 0xF0000000UL
|
|
#define OUT_SIZMASK 0x0FFFFFFFUL
|
|
|
|
/*
|
|
* -----
|
|
* Other
|
|
* -----
|
|
*/
|
|
|
|
/*
|
|
* This is a useful #define which I keep meaning to use more often:
|
|
* the number of elements of a statically defined array.
|
|
*/
|
|
|
|
#define elements(x) ( sizeof(x) / sizeof(*(x)) )
|
|
|
|
#endif
|