120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SDT_IMPL_H
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#define _SDT_IMPL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern const char *sdt_prefix;
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typedef struct sdt_probedesc {
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char *sdpd_name; /* name of this probe */
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int sdpd_namelen;
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char *sdpd_func; /* APPLE NOTE: function name */
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const char *sdpd_prov; /* APPLE NOTE: provider name */
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unsigned long sdpd_offset; /* offset of call in text */
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struct sdt_probedesc *sdpd_next; /* next static probe */
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} sdt_probedesc_t;
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/dtrace.h>
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struct module {
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int sdt_nprobes;
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sdt_probedesc_t *sdt_probes;
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};
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extern int sdt_invop(uintptr_t, uintptr_t *, uintptr_t);
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extern uint64_t sdt_getarg(void *, dtrace_id_t, void *, int, int);
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void sdt_provide_module(void *, struct modctl *);
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void sdt_early_init(void);
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void sdt_load_machsect(struct modctl *ctl);
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void sdt_init(void);
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extern int sdt_probetab_size;
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extern int sdt_probetab_mask;
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#define SDT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & sdt_probetab_mask)
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#if defined(__x86_64__)
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typedef uint8_t sdt_instr_t;
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#elif defined(__arm64__)
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typedef uint32_t sdt_instr_t;
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#else
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#error Unknown implementation
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#endif
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typedef struct sdt_provider {
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const char *sdtp_name; /* name of provider */
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const char *sdtp_prefix; /* prefix for probe names */
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dtrace_pattr_t *sdtp_attr; /* stability attributes */
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dtrace_provider_id_t sdtp_id; /* provider ID */
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} sdt_provider_t;
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extern sdt_provider_t sdt_providers[]; /* array of providers */
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typedef struct sdt_probe {
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sdt_provider_t *sdp_provider; /* provider */
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char *sdp_name; /* name of probe */
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int sdp_namelen; /* length of allocated name */
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dtrace_id_t sdp_id; /* probe ID */
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struct modctl *sdp_ctl; /* modctl for module */
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int sdp_loadcnt; /* load count for module */
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int sdp_primary; /* non-zero if primary mod */
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sdt_instr_t *sdp_patchpoint; /* patch point */
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sdt_instr_t sdp_patchval; /* instruction to patch */
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sdt_instr_t sdp_savedval; /* saved instruction value */
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struct sdt_probe *sdp_next; /* next probe */
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struct sdt_probe *sdp_hashnext; /* next on hash */
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} sdt_probe_t;
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typedef struct sdt_argdesc {
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const char *sda_provider; /* provider for arg */
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const char *sda_name; /* name of probe */
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const int sda_ndx; /* argument index */
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const int sda_mapping; /* mapping of argument */
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const char *sda_native; /* native type of argument */
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const char *sda_xlate; /* translated type of arg */
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} sdt_argdesc_t;
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extern void sdt_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SDT_IMPL_H */
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