diff options
author | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
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committer | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
commit | 7c478bd95313f5f23a4c958a745db2134aa03244 (patch) | |
tree | c871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/lib/libtnfprobe/debug_funcs.c | |
download | illumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz |
OpenSolaris Launch
Diffstat (limited to 'usr/src/lib/libtnfprobe/debug_funcs.c')
-rw-r--r-- | usr/src/lib/libtnfprobe/debug_funcs.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/usr/src/lib/libtnfprobe/debug_funcs.c b/usr/src/lib/libtnfprobe/debug_funcs.c new file mode 100644 index 0000000000..d418ecc092 --- /dev/null +++ b/usr/src/lib/libtnfprobe/debug_funcs.c @@ -0,0 +1,211 @@ +/* + * 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/probe.h> +#include "tnf_trace.h" +#include "tnf_args.h" + +/* + * tnf_probe_debug() - a debug final function + */ + +#define BUF_LIMIT 1024 +#define NAME_LIMIT 32 +#define ATTR_LIMIT 128 + +/* + * code coverage comment out + * #pragma covcc !instr + */ + +void +tnf_probe_debug(tnf_probe_setup_t *set_p) +{ + char tmp_buf[BUF_LIMIT]; + char *buf_p; + tnf_probe_control_t *probe_p; + const char *attr_start, *name_start, *name_end; + ulong_t attr_len; + int num_args, i, str_len, name_len; + void *arg_position; + tnf_arg_kind_t arg_type; + void *buffer; + + buf_p = tmp_buf; + probe_p = set_p->probe_p; + buffer = set_p->buffer_p; + + /* get the name of the probe */ + attr_start = tnf_probe_get_value(probe_p, "name", &attr_len); + assert(attr_start); + attr_len = (attr_len > (NAME_LIMIT - 1)) ? (NAME_LIMIT - 1) : attr_len; + str_len = sprintf(buf_p, "probe %.*s; ", attr_len, attr_start); + buf_p += str_len; + + /* get the sunw%debug attribute */ + attr_start = tnf_probe_get_value(probe_p, "sunw%debug", &attr_len); + if (attr_start) { + attr_len = (attr_len > (ATTR_LIMIT - 1)) ? + (ATTR_LIMIT - 1) : attr_len; + str_len = sprintf(buf_p, "sunw%%debug \"%.*s\"; ", + attr_len, attr_start); + buf_p += str_len; + } + + /* number of args ? we are done if there are only standard args */ + num_args = tnf_probe_get_num_args(probe_p); + if (num_args <= 2) { + (void) sprintf(buf_p, "\n"); + (void) write(STDERR_FILENO, tmp_buf, strlen(tmp_buf)); + return; + } + + /* get the slot names */ + name_start = tnf_probe_get_value(probe_p, "slots", &attr_len); + assert(name_start); + + num_args = tnf_probe_get_num_args(probe_p); + if (num_args <= 2) + return; + /* print each of the arguments to the probe */ + for (i = 2; i < num_args; i++) { + /* find slot names - number of spaces is equal to number of args */ + name_end = strchr(name_start, VAL_SEPARATOR); + /* LINTED - result is <= string length */ + name_len = name_end - name_start; + name_len = (name_len > (NAME_LIMIT - 1)) ? + (NAME_LIMIT - 1) : name_len; + str_len = sprintf(buf_p, "%.*s=", name_len, name_start); + buf_p += str_len; + name_start = name_end + 1; + + arg_position = tnf_probe_get_arg_indexed(probe_p, i, buffer); + arg_type = tnf_probe_get_type_indexed(probe_p, i); + + switch (arg_type) { + case TNF_UNKNOWN: + str_len = sprintf(buf_p, "<unknown>; "); + buf_p += str_len; + break; + case TNF_INT32: + str_len = sprintf(buf_p, "%ld; ", + tnf_probe_get_int(arg_position)); + buf_p += str_len; + break; + case TNF_UINT32: + str_len = sprintf(buf_p, "%lu; ", + tnf_probe_get_uint(arg_position)); + buf_p += str_len; + break; + case TNF_INT64: + /* LINTED malformed format string */ + str_len = sprintf(buf_p, "%lld; ", + tnf_probe_get_longlong(arg_position)); + buf_p += str_len; + break; + case TNF_UINT64: + /* LINTED malformed format string */ + str_len = sprintf(buf_p, "%llu; ", + tnf_probe_get_ulonglong(arg_position)); + buf_p += str_len; + break; + case TNF_FLOAT32: + str_len = sprintf(buf_p, "%f; ", + tnf_probe_get_float(arg_position)); + buf_p += str_len; + break; + case TNF_FLOAT64: + str_len = sprintf(buf_p, "%f; ", + tnf_probe_get_double(arg_position)); + buf_p += str_len; + break; + case TNF_STRING: + attr_start = tnf_probe_get_chars(arg_position); + attr_len = strlen(attr_start); + attr_len = (attr_len > (ATTR_LIMIT - 1)) ? (ATTR_LIMIT - 1) : + attr_len; + str_len = sprintf(buf_p, "\"%.*s\"; ", attr_len, attr_start); + buf_p += str_len; + break; + case TNF_ARRAY: + /* no break */ + case TNF_STRUCT: + /* no break */ + case TNF_OPAQUE: + str_len = sprintf(buf_p, "0x%lx; ", + tnf_probe_get_ulong(arg_position)); + buf_p += str_len; + break; + default: + str_len = sprintf(buf_p, "<error>; "); + buf_p += str_len; + break; + } + } + + (void) sprintf(buf_p, "\n"); + (void) write(STDERR_FILENO, tmp_buf, strlen(tmp_buf)); + + return; + +} /* end tnf_probe_debug */ + + +/* + * code coverage comment out + * #pragma covcc instr + */ + +#ifdef TESTING +/* + * tnf_probe_empty() - an empty final function + */ + +/*ARGSUSED0*/ +void +tnf_probe_empty(tnf_probe_setup_t *set_p) +{ + + return; + +} /* end tnf_probe_empty */ +#endif |