1 files changed, 0 insertions, 409 deletions
diff --git a/usr/src/lib/libtnfprobe/trace_funcs.c b/usr/src/lib/libtnfprobe/trace_funcs.c
deleted file mode 100644
index b370b15c83..0000000000
--- a/usr/src/lib/libtnfprobe/trace_funcs.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- *	Copyright (c) 1994, by Sun Microsytems, Inc.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-/*
- * Includes
- */
-
-#ifndef DEBUG
-#define	NDEBUG	1
-#endif
-
-#include <assert.h>
-#include <limits.h>
-#include <values.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "tnf_trace.h"
-
-/*
- * Defines
- */
-
-#define	ASSERT(expr)	assert(expr)
-
-#define	ENCODED_TAG(tag, tagarg) 		\
-	(((tag) | ((tagarg) & 0xfffc)) | TNF_REF32_T_PAIR)
-
-/*
- * CAUTION: halfword_accessible assumes that the pointer is to a reclaimable
- *		block - i.e. negative offsets have a 0 in high bit
- */
-#define	HALFWORD_ACCESSIBLE(x) 			\
-	((((x) & 0xffff8000) == 0) || (((x) & 0xffff8000) == 0x7fff8000))
-
-/*
- * Check that x can be encoded in tagarg slot
- * Same as above, but operates on ints (no space bit)
- */
-#define	TAGARG_CHECK(x)				\
-	(((x) < 32767) && ((x) > -32768))
-
-/*
- * Check that hi 32 bits of hrtime are zero
- */
-#define	TIME_CHECK(x)				\
-	(((x) >> 32) == 0)
-
-/*
- * CAUTION: Use the following macro only when doing a self relative pointer
- *		to a target in the same block
- */
-#define	PTR_DIFF(item, ref)			\
-	((tnf_ref32_t)((tnf_record_p)(item) - (tnf_record_p)(ref)))
-
-/*
- * Typedefs
- */
-
-typedef struct {
-	tnf_probe_event_t		probe_event;
-	tnf_time_delta_t		time_delta;
-} probe_event_prototype_t;
-
-/*
- * tnf_trace_alloc
- * 	the probe allocation function
- */
-
-#define	IS_NEWBLOCK(blockArray, dataBuffer) \
-	    (((caddr_t)&blockArray[1]) == (caddr_t)dataBuffer)
-
-void *
-tnf_trace_alloc(tnf_ops_t *ops, tnf_probe_control_t *probe_p,
-    tnf_probe_setup_t *set_p)
-{
-	TNFW_B_WCB		*wcb;
-	volatile char 		*file_start;
-	uintptr_t		probe_index;
-	tnf_record_p		sched_record_p;
-	tnf_reference_t		sched_offset, tag_disp;
-	tnf_block_header_t	*block;
-	tnf_uint32_t		shift;
-	probe_event_prototype_t *buffer;
-	hrtime_t 		curr_time, time_diff;
-	tnf_schedule_t		*sched;
-	tnf_ref32_t		*fwd_p;
-	ulong_t			size, asize;
-#if defined(DEBUG) || defined(VERYVERBOSE)
-	char tmp_buf[512];
-#endif
-
-	ASSERT(ops != NULL);
-
-	/* check if already in a probe */
-	if (ops->busy)
-		return (NULL);
-	ops->busy = 1;
-
-
-#ifdef VERYVERBOSE
-	sprintf(tmp_buf, "tnf_trace_alloc: begin\n");
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-
-	/*
-	 * CAUTION: Ordering of function calls in this file is critical because
-	 * we call TNFW_B_GIVEBACK. Between the time we allocate space for the
-	 * event and call TNFW_B_GIVEBACK there can be no other allocations!!
-	 */
-
-	/*
-	 * Write probe tag if needed
-	 */
-	probe_index = probe_p->index;
-#ifdef VERYVERBOSE
-	sprintf(tmp_buf, "tnf_trace_alloc: (1) probe_index=%p\n", probe_index);
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-	if (probe_index == 0) {
-	    if ((probe_index = tnf_probe_tag(ops, probe_p)) == 0) {
-#ifdef VERYVERBOSE
-	    sprintf(tmp_buf, "tnf_trace_alloc: (2) probe_index=%p\n",
-		    probe_index);
-	    (void) write(2, tmp_buf, strlen(tmp_buf));
-	    sprintf(tmp_buf, "tnf_trace_alloc: goto null_ret\n");
-	    (void) write(2, tmp_buf, strlen(tmp_buf));
-	    fflush(stderr);
-	    sleep(2);
-#endif
-	    goto null_ret;
-	    }
-#ifdef VERYVERBOSE
-	    sprintf(tmp_buf, "tnf_trace_alloc: (3) probe_index=%p\n",
-		probe_index);
-	    (void) write(2, tmp_buf, strlen(tmp_buf));
-	    fflush(stderr);
-#endif
-	}
-	/*
-	 * Determine how much memory is required
-	 */
-	size = probe_p->tnf_event_size;
-	asize = size + sizeof (tnf_ref32_t);	/* one fwd ptr */
-
-	if (PROBE_IS_FILE_PTR(probe_index)) {
-		/* common case - probe_index is a file ptr */
-		tag_disp = probe_index & PROBE_INDEX_LOW_MASK;
-	} else {
-		/* rare case -- get an extra fwd ptr */
-		asize += sizeof (tnf_ref32_t);
-	}
-
-	/*
-	 * Allocate memory
-	 */
-	wcb = &(ops->wcb);
-
-#ifdef _TNF_VERBOSE
-	sprintf(tmp_buf, "tnf_trace_alloc, wcb=%p\n", wcb);
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-
-	buffer = ops->alloc(wcb, asize, ops->mode);
-
-#ifdef _TNF_VERBOSE
-	sprintf(tmp_buf, "tnf_trace_alloc, buffer=%p\n", buffer);
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-	if (buffer == NULL)
-		goto null_ret;
-
-	/* LINTED pointer cast may result in improper alignment */
-	fwd_p = (tnf_ref32_t *) ((char *)(buffer) + size);
-
-#ifdef _TNF_VERBOSE
-	sprintf(tmp_buf, "tnf_trace_alloc, fwd_pr=%p\n", fwd_p);
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-
-	/* set file_start after calling alloc because it allocs the file */
-	file_start = _tnfw_b_control->tnf_buffer;
-
-	/* Check if the probe tag needs more work */
-	if (!PROBE_IS_FILE_PTR(probe_index)) {
-		/* LINTED use up first fwd ptr */
-		*fwd_p = TNF_REF32_MAKE_PERMANENT(
-		/* LINTED ptr subtraction */
-			(tnf_record_p)probe_index - (tnf_record_p) file_start);
-		/* LINTED ptr subtraction */
-		tag_disp = PTR_DIFF(fwd_p, buffer);
-		ASSERT(TAGARG_CHECK(tag_disp));
-		tag_disp |= TNF_TAG16_T_REL;
-		tag_disp = tag_disp << TNF_REF32_TAG16_SHIFT;
-		fwd_p++;
-	}
-
-	/*
-	 * Get timestamp
-	 */
-	curr_time = gethrtime();
-
-	/*
-	 * initialize and write schedule record if needed
-	 * watch out for sched->record_p - it has to be checked after alloc is
-	 * called for the event, because it could be side effected by alloc
-	 * if a fork happened.  Pre-requisite to our algorithm - if a fork
-	 * happens all other threads have to be quiescent i.e. not in a probe.
-	 */
-	sched = &(ops->schedule);
-
-#ifdef _TNF_VERBOSE
-	sprintf(tmp_buf, "tnf_trace_alloc, sched=%p\n", sched);
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-
-	/* LINTED pointer cast */
-	shift = ((tnf_buf_file_header_t *)file_start)->com.file_log_size;
-	block = (tnf_block_header_t *)((ulong_t)buffer & TNF_BLOCK_MASK);
-
-	if ((sched_record_p = sched->record_p) == NULL ||
-	    IS_NEWBLOCK(block, buffer)) {
-		/* No record written yet */
-		goto new_schedule;
-	}
-
-	/*
-	 * Note: Don't bother about space bit here, because we'll
-	 * only use bits 15:2 anyway
-	 */
-	sched_offset = ((sched->record_gen - block->generation) << shift) +
-		/* LINTED - ptr subtraction */
-		(uint_t) (sched_record_p - (caddr_t)buffer);
-
-	if (!TAGARG_CHECK(sched_offset))
-		/* Record too far away to reference */
-		goto new_schedule;
-
-	time_diff = curr_time - sched->time_base;
-	if (!TIME_CHECK(time_diff))
-		/* Time delta can't fit in 32 bits */
-		goto new_schedule;
-
-	/*
-	 * Can reuse existing schedule record
-	 * Since we did not allocate any more space, can giveback
-	 */
-	/* LINTED - GIVEBACK returns a pointer subtraction */
-	TNFW_B_GIVEBACK(wcb, fwd_p);
-
-good_ret:
-	/*
-	 * Store return params and two common event members, return buffer
-	 */
-	set_p->tpd_p = ops;
-	set_p->buffer_p = buffer;
-	set_p->probe_p = probe_p;
-	buffer->probe_event = ENCODED_TAG(tag_disp, sched_offset);
-	/* LINTED - TIME_CHECK already passed, see above */
-	buffer->time_delta = tnf_time_delta(ops, (unsigned long)time_diff,
-	    &buffer->probe_time_delta);
-	return (buffer);
-
-new_schedule:
-	/*
-	 * Write a new schedule record for this thread
-	 */
-#ifdef VERYVERBOSE
-	sprintf(tmp_buf, "	tnf_trace_alloc: initializing "
-				"new schedule record\n");
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-	_tnf_sched_init(sched, curr_time);
-	time_diff = 0;
-	if ((sched_record_p = tnf_schedule_write(ops, sched)) != NULL) {
-		/* use one of the extra alloced words for the forwarding ptr */
-		/* LINTED - ptr subtraction */
-		*fwd_p = TNF_REF32_MAKE_RECLAIMABLE(
-			((sched->record_gen - block->generation) << shift) +
-			(sched_record_p - (tnf_record_p)fwd_p));
-		/* LINTED - ptr subtraction */
-		sched_offset = PTR_DIFF(fwd_p, buffer);
-		ASSERT(TAGARG_CHECK(sched_offset));
-	} else {
-		/* Allocation failed (tracing may have been stopped) */
-		sched_offset = 0;
-		*fwd_p = TNF_NULL;
-	}
-	goto good_ret;
-
-null_ret:
-	/*
-	 * reset re-entrancy protector, because tnf_trace_end() will
-	 * not be called
-	 */
-#ifdef VERYVERBOSE
-	sprintf(tmp_buf, "tnf_trace_alloc: null return\n");
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-	ops->busy = 0;
-	return (NULL);
-}
-
-/*
- * tnf_trace_end
- *	the last (usually only) function in the list of probe functions
- */
-void
-tnf_trace_end(tnf_probe_setup_t *set_p)
-{
-#ifdef VERYVERBOSE
-	char tmp_buf[512];
-
-	sprintf(tmp_buf, "tnf_trace_end: \n");
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-
-	(set_p->probe_p->commit_func)(set_p);
-	set_p->tpd_p->busy = 0;
-}
-
-/*
- * tnf_trace_commit
- *	a probe commit function that really commits trace data
- */
-void
-tnf_trace_commit(tnf_probe_setup_t *set_p)
-{
-#ifdef VERYVERBOSE
-	char tmp_buf[512];
-
-	sprintf(tmp_buf, "tnf_trace_commit: \n\n");
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-	(void) set_p->tpd_p->commit(&(set_p->tpd_p->wcb));
-
-	return;
-
-}
-
-/*
- * tnf_trace_rollback
- *	a probe commit function that unrolls trace data
- */
-void
-tnf_trace_rollback(tnf_probe_setup_t *set_p)
-{
-#ifdef VERYVERBOSE
-	char tmp_buf[512];
-
-	sprintf(tmp_buf, "tnf_trace_rollback: \n\n");
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-	(void) set_p->tpd_p->rollback(&(set_p->tpd_p->wcb));
-
-	return;
-
-}
-
-/*
- * tnf_allocate
- *	exported interface for allocating trace memory
- */
-
-void *
-tnf_allocate(tnf_ops_t *ops, size_t size)
-{
-	void *retval;
-	char tmp_buf[512];
-
-#ifdef _TNF_VERBOSE
-	sprintf(tmp_buf, "tnf_allocate\n");
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-
-	retval = ops->alloc(&(ops->wcb), size, ops->mode);
-
-#ifdef _TNF_VERBOSE
-	sprintf(tmp_buf, "tnf_allocate, retval=%p\n", retval);
-	(void) write(2, tmp_buf, strlen(tmp_buf));
-#endif
-
-	return (retval);
-}