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Port the DTrace helper ioctls to FreeBSD and add a helper member to

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dof_helper_t (needed by drti.o).

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Rui Paulo 2010-08-21 11:58:08 +00:00
parent 0f2bd1e89d
commit e60cf26f21
1 changed files with 12 additions and 2 deletions
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14
sys/cddl/contrib/opensolaris/uts/common/sys/dtrace.h
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@ -1322,15 +1322,24 @@ typedef struct {
* helpers and should no longer be used. No other ioctls are valid on the
* helper minor node.
*/
#if defined(sun)
#define DTRACEHIOC (('d' << 24) | ('t' << 16) | ('h' << 8))
#define DTRACEHIOC_ADD (DTRACEHIOC | 1) /* add helper */
#define DTRACEHIOC_REMOVE (DTRACEHIOC | 2) /* remove helper */
#define DTRACEHIOC_ADDDOF (DTRACEHIOC | 3) /* add helper DOF */
#else
#define DTRACEHIOC_ADD _IOWR('z', 1, dof_hdr_t)/* add helper */
#define DTRACEHIOC_REMOVE _IOW('z', 2, int) /* remove helper */
#define DTRACEHIOC_ADDDOF _IOWR('z', 3, dof_helper_t)/* add helper DOF */
#endif
typedef struct dof_helper {
char dofhp_mod[DTRACE_MODNAMELEN]; /* executable or library name */
uint64_t dofhp_addr; /* base address of object */
uint64_t dofhp_dof; /* address of helper DOF */
#if !defined(sun)
int gen;
#endif
} dof_helper_t;
#define DTRACEMNR_DTRACE "dtrace" /* node for DTrace ops */
@ -2219,10 +2228,11 @@ extern void dtrace_vtime_enable(void);
extern void dtrace_vtime_disable(void);
struct regs;
struct reg;
#if defined(sun)
extern int (*dtrace_pid_probe_ptr)(struct regs *);
extern int (*dtrace_return_probe_ptr)(struct regs *);
extern int (*dtrace_pid_probe_ptr)(struct reg *);
extern int (*dtrace_return_probe_ptr)(struct reg *);
extern void (*dtrace_fasttrap_fork_ptr)(proc_t *, proc_t *);
extern void (*dtrace_fasttrap_exec_ptr)(proc_t *);
extern void (*dtrace_fasttrap_exit_ptr)(proc_t *);