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/*
* Oracle Linux DTrace.
* Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
* Licensed under the Universal Permissive License v 1.0 as shown at
* http://oss.oracle.com/licenses/upl.
*/
#ifndef _DT_REGSET_H
#define _DT_REGSET_H
#include <sys/types.h>
#include <sys/dtrace_types.h>
#include <dt_as.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*dt_cg_spill_f)(int reg);
typedef struct dt_regset {
ulong_t dr_size; /* number of registers in set */
dt_cg_spill_f dr_spill_store; /* register spill store function */
dt_cg_spill_f dr_spill_load; /* register spill load function */
ulong_t *dr_active; /* bitmap of active registers */
ulong_t *dr_spilled; /* bitmap of spilled registers */
} dt_regset_t;
extern dt_regset_t *dt_regset_create(ulong_t, dt_cg_spill_f, dt_cg_spill_f);
extern void dt_regset_destroy(dt_regset_t *);
extern void dt_regset_reset(dt_regset_t *);
extern int dt_regset_alloc(dt_regset_t *);
extern int dt_regset_xalloc(dt_regset_t *, int);
extern void dt_regset_free(dt_regset_t *, int);
extern int dt_regset_xalloc_args(dt_regset_t *);
extern void dt_regset_free_args(dt_regset_t *);
extern void dt_regset_dump(dt_regset_t *, const char *);
#ifdef DT_DEBUG_REGSET
# define TRACE_REGSET(id) do { \
dt_regset_dump(yypcb->pcb_regs, (id)); \
} while (0)
#else
# define TRACE_REGSET(id)
#endif
#ifdef __cplusplus
}
#endif
#endif /* _DT_REGSET_H */
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