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(expressionS): Field X_add_number is an offsetT.

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Ken Raeburn 1993-07-07 12:36:51 +00:00
parent dae92eaba0
commit 2fe8b7b003
1 changed files with 18 additions and 26 deletions
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44
gas/expr.h
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@ -33,7 +33,7 @@
* In other words we permit a (possibly undefined) minuend, a
* (possibly undefined) subtrahend and an (absolute) augend.
* RMS says this is so we can have 1-pass assembly for any compiler
* emmissions, and a 'case' statement might emit 'undefined1 - undefined2'.
* emissions, and a 'case' statement might emit 'undefined1 - undefined2'.
*
* To simplify table-driven dispatch, we also have a "segment" for the
* entire expression. That way we don't require complex reasoning about
@ -44,39 +44,31 @@
typedef struct
{
symbolS *X_add_symbol; /* foo */
symbolS *X_subtract_symbol; /* bar */
long X_add_number; /* 42. Must be signed. */
segT X_seg; /* What segment (expr type)? */
symbolS *X_add_symbol; /* "foo", above */
symbolS *X_subtract_symbol; /* "bar", above */
offsetT X_add_number; /* 42, above -- must be signed */
/* What segment (expr type)? */
segT X_seg;
}
expressionS;
/* result should be type (expressionS *). */
/* "result" should be type (expressionS *). */
#define expression(result) expr(0,result)
/* If an expression is SEG_BIG, look here */
/* for its value. These common data may */
/* be clobbered whenever expr() is called. */
extern FLONUM_TYPE generic_floating_point_number; /* Flonums returned here. */
/* Enough to hold most precise flonum. */
extern LITTLENUM_TYPE generic_bignum[]; /* Bignums returned here. */
#define SIZE_OF_LARGE_NUMBER (20) /* Number of littlenums in above. */
/* If an expression is SEG_BIG, look here for its value. These common
data may be clobbered whenever expr() is called. */
/* Flonums returned here. Big enough to hold most precise flonum. */
extern FLONUM_TYPE generic_floating_point_number;
/* Bignums returned here. */
extern LITTLENUM_TYPE generic_bignum[];
/* Number of littlenums in above. */
#define SIZE_OF_LARGE_NUMBER (20)
typedef char operator_rankT;
#if __STDC__ == 1
char get_symbol_end (void);
segT expr (int rank, expressionS * resultP);
unsigned int get_single_number (void);
#else /* not __STDC__ */
char get_symbol_end ();
segT expr ();
unsigned int get_single_number ();
#endif /* not __STDC__ */
char get_symbol_end PARAMS ((void));
segT expr PARAMS ((int rank, expressionS * resultP));
unsigned int get_single_number PARAMS ((void));
/* end of expr.h */