chromium/third_party/nasm/asm/exprlib.c

/* ----------------------------------------------------------------------- *
 *
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 *
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/*
 * exprlib.c
 *
 * Library routines to manipulate expression data types.
 */

#include "nasm.h"

/*
 * Return true if the argument is a simple scalar. (Or a far-
 * absolute, which counts.)
 */
bool is_simple(const expr *vect)
{ … }

/*
 * Return true if the argument is a simple scalar, _NOT_ a far-
 * absolute.
 */
bool is_really_simple(const expr *vect)
{ … }

/*
 * Return true if the argument is relocatable (i.e. a simple
 * scalar, plus at most one segment-base, possibly a subtraction
 * of the current segment base, plus possibly a WRT).
 */
bool is_reloc(const expr *vect)
{ … }

/*
 * Return true if the argument contains an `unknown' part.
 */
bool is_unknown(const expr *vect)
{ … }

/*
 * Return true if the argument contains nothing but an `unknown'
 * part.
 */
bool is_just_unknown(const expr *vect)
{ … }

/*
 * Return the scalar part of a relocatable vector. (Including
 * simple scalar vectors - those qualify as relocatable.)
 */
int64_t reloc_value(const expr *vect)
{ … }

/*
 * Return the segment number of a relocatable vector, or NO_SEG for
 * simple scalars.
 */
int32_t reloc_seg(const expr *vect)
{ … }

/*
 * Return the WRT segment number of a relocatable vector, or NO_SEG
 * if no WRT part is present.
 */
int32_t reloc_wrt(const expr *vect)
{ … }

/*
 * Return true if this expression contains a subtraction of the location
 */
bool is_self_relative(const expr *vect)
{ … }