266b4a78c2
duplicating the entire implementation for both x86 and powerpc. This makes it easier to add support for other architectures and has no functional impact. Phabric: D613 Reviewed by: gnn, jhibbits, rpaulo Tested by: jhibbits (powerpc) MFC after: 2 weeks
74 lines
2.0 KiB
C
74 lines
2.0 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 (the "License").
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* You may not use this file except in compliance 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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* Portions Copyright 2006-2008 John Birrell jb@freebsd.org
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*
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* $FreeBSD$
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*
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*/
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/*
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* Copyright 2006 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 _FBT_H_
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#define _FBT_H_
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#include "fbt_isa.h"
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typedef struct fbt_probe {
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struct fbt_probe *fbtp_hashnext;
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fbt_patchval_t *fbtp_patchpoint;
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int8_t fbtp_rval;
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fbt_patchval_t fbtp_patchval;
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fbt_patchval_t fbtp_savedval;
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uintptr_t fbtp_roffset;
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dtrace_id_t fbtp_id;
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const char *fbtp_name;
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modctl_t *fbtp_ctl;
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int fbtp_loadcnt;
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int fbtp_primary;
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int fbtp_invop_cnt;
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int fbtp_symindx;
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struct fbt_probe *fbtp_next;
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} fbt_probe_t;
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struct linker_file;
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struct linker_symval;
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int fbt_invop(uintptr_t, uintptr_t *, uintptr_t);
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void fbt_patch_tracepoint(fbt_probe_t *, fbt_patchval_t);
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int fbt_provide_module_function(struct linker_file *, int,
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struct linker_symval *, void *);
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extern dtrace_provider_id_t fbt_id;
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extern fbt_probe_t **fbt_probetab;
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extern int fbt_probetab_mask;
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#define FBT_ADDR2NDX(addr) ((((uintptr_t)(addr)) >> 4) & fbt_probetab_mask)
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#define FBT_PROBETAB_SIZE 0x8000 /* 32k entries -- 128K total */
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_FBT);
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#endif
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#endif
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