25 lines
764 B
C
25 lines
764 B
C
/* @(#) stackdep.h 1.1 94/10/31 */
|
|
/* Copyright (C) 1987. Sun Microsystems, Inc. */
|
|
/*
|
|
* sparc requires stack be aligned on 8 byte boundary.
|
|
* usage:
|
|
* stkalign_t foo[SIZE];
|
|
* or
|
|
* stkalign_t *foo;
|
|
* foo = (stkalign_t *)malloc(sizeof (stkalign_t) * SIZE);
|
|
*/
|
|
typedef double stkalign_t; /* alignment for stack */
|
|
|
|
/* align adr to legal stack boundary */
|
|
#define STACKALIGN(adr) (((int)(adr)) & ~(sizeof (stkalign_t) - 1))
|
|
|
|
#define MINSIGSTKSZ 8000 /* min. size of signal stack in stkalign_t's */
|
|
|
|
/* for finding top of stack of stkalign_t's */
|
|
#define STACKTOP(base, size) ((base) + (size))
|
|
|
|
#define STACKDOWN TRUE /* TRUE if stacks grow down */
|
|
|
|
#define PUSH(sp, obj, type) *--((type *)(sp)) = (obj);
|
|
#define POP(sp, obj, type) (obj) = *((type *)(sp))++;
|