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/* $Id: DBGPlugInSolaris.cpp 35346 2010-12-27 16:13:13Z vboxsync $ */
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* DBGPlugInSolaris - Debugger and Guest OS Digger Plugin For Solaris.
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* Copyright (C) 2008-2010 Oracle Corporation
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* This file is part of VirtualBox Open Source Edition (OSE), as
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* available from http://www.virtualbox.org. This file is free software;
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* you can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) as published by the Free Software
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* Foundation, in version 2 as it comes in the "COPYING" file of the
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* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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/*******************************************************************************
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*******************************************************************************/
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#define LOG_GROUP LOG_GROUP_DBGF ///@todo add new log group.
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#include "DBGPlugIns.h"
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#include "DBGPlugInCommonELF.h"
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#include <VBox/vmm/dbgf.h>
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#include <iprt/stream.h>
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#include <iprt/string.h>
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/*******************************************************************************
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* Defined Constants And Macros *
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*******************************************************************************/
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/** Solaris on little endian ASCII systems. */
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#define DIG_SOL_MOD_TAG UINT64_C(0x00736972616c6f53)
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/*******************************************************************************
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* Structures and Typedefs *
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*******************************************************************************/
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/** @name InternalSolaris structures
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typedef struct SOL32v11_modctl
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uint32_t mod_next; /**< 0 */
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uint32_t mod_prev; /**< 4 */
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int32_t mod_id; /**< 8 */
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uint32_t mod_mp; /**< c Pointer to the kernel runtime loader bits. */
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uint32_t mod_inprogress_thread; /**< 10 */
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uint32_t mod_modinfo; /**< 14 */
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uint32_t mod_linkage; /**< 18 */
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uint32_t mod_filename; /**< 1c */
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uint32_t mod_modname; /**< 20 */
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int8_t mod_busy; /**< 24 */
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int8_t mod_want; /**< 25 */
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int8_t mod_prim; /**< 26 this is 1 for 'unix' and a few others. */
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int8_t mod_unused_padding; /**< 27 */
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int32_t mod_ref; /**< 28 */
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int8_t mod_loaded; /**< 2c */
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int8_t mod_installed; /**< 2d */
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int8_t mod_loadflags; /**< 2e */
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int8_t mod_delay_unload; /**< 2f */
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uint32_t mod_requisites; /**< 30 */
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uint32_t mod___unused; /**< 34 */
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int32_t mod_loadcnt; /**< 38 */
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int32_t mod_nenabled; /**< 3c */
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uint32_t mod_text; /**< 40 */
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uint32_t mod_text_size; /**< 44 */
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int32_t mod_gencount; /**< 48 */
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uint32_t mod_requisite_loading; /**< 4c */
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AssertCompileSize(SOL32v11_modctl_t, 0x50);
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typedef struct SOL64v11_modctl
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uint64_t mod_next; /**< 0 */
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uint64_t mod_prev; /**< 8 */
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int32_t mod_id; /**< 10 */
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uint64_t mod_mp; /**< 18 Pointer to the kernel runtime loader bits. */
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uint64_t mod_inprogress_thread; /**< 20 */
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uint64_t mod_modinfo; /**< 28 */
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uint64_t mod_linkage; /**< 30 */
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uint64_t mod_filename; /**< 38 */
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uint64_t mod_modname; /**< 40 */
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int8_t mod_busy; /**< 48 */
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int8_t mod_want; /**< 49 */
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int8_t mod_prim; /**< 4a this is 1 for 'unix' and a few others. */
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int8_t mod_unused_padding; /**< 4b */
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int32_t mod_ref; /**< 4c */
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int8_t mod_loaded; /**< 50 */
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int8_t mod_installed; /**< 51 */
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int8_t mod_loadflags; /**< 52 */
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int8_t mod_delay_unload; /**< 53 */
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uint64_t mod_requisites; /**< 58 */
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uint64_t mod___unused; /**< 60 */
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int32_t mod_loadcnt; /**< 68 */
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int32_t mod_nenabled; /**< 6c */
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uint64_t mod_text; /**< 70 */
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uint64_t mod_text_size; /**< 78 */
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int32_t mod_gencount; /**< 80 */
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int32_t mod_padding2;
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uint64_t mod_requisite_loading; /**< 88 */
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AssertCompileSize(SOL64v11_modctl_t, 0x90);
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typedef struct SOL32v9_modctl
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uint32_t mod_next; /**< 0 */
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uint32_t mod_prev; /**< 4 */
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int32_t mod_id; /**< 8 */
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uint32_t mod_mp; /**< c Pointer to the kernel runtime loader bits. */
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uint32_t mod_inprogress_thread; /**< 10 */
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uint32_t mod_modinfo; /**< 14 */
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uint32_t mod_linkage; /**< 18 */
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uint32_t mod_filename; /**< 1c */
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uint32_t mod_modname; /**< 20 */
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int32_t mod_busy; /**< 24 */
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int32_t mod_stub; /**< 28 DIFF 1 */
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int8_t mod_loaded; /**< 2c */
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int8_t mod_installed; /**< 2d */
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int8_t mod_loadflags; /**< 2e */
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int8_t mod_want; /**< 2f DIFF 2 */
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uint32_t mod_requisites; /**< 30 */
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uint32_t mod_dependents; /**< 34 DIFF 3 */
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int32_t mod_loadcnt; /**< 38 */
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/* DIFF 4: 4 bytes added in v11 */
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uint32_t mod_text; /**< 3c */
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uint32_t mod_text_size; /**< 40 */
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/* DIFF 5: 8 bytes added in v11 */
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AssertCompileSize(SOL32v9_modctl_t, 0x44);
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typedef struct SOL64v9_modctl
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uint64_t mod_next; /**< 0 */
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uint64_t mod_prev; /**< 8 */
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int32_t mod_id; /**< 10 */
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int32_t mod_padding0;
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uint64_t mod_mp; /**< 18 Pointer to the kernel runtime loader bits. */
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uint64_t mod_inprogress_thread; /**< 20 */
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uint64_t mod_modinfo; /**< 28 */
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uint64_t mod_linkage; /**< 30 */
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uint64_t mod_filename; /**< 38 */
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uint64_t mod_modname; /**< 40 */
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int32_t mod_busy; /**< 48 */
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int32_t mod_stub; /**< 4c DIFF 1 - is this a pointer? */
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int8_t mod_loaded; /**< 50 */
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int8_t mod_installed; /**< 51 */
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int8_t mod_loadflags; /**< 52 */
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int8_t mod_want; /**< 53 DIFF 2 */
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int32_t mod_padding1;
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uint64_t mod_requisites; /**< 58 */
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uint64_t mod_dependencies; /**< 60 DIFF 3 */
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int32_t mod_loadcnt; /**< 68 */
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int32_t mod_padding3; /**< 6c DIFF 4 */
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uint64_t mod_text; /**< 70 */
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uint64_t mod_text_size; /**< 78 */
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/* DIFF 5: 8 bytes added in v11 */
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AssertCompileSize(SOL64v9_modctl_t, 0x80);
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typedef union SOL_modctl
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SOL32v9_modctl_t v9_32;
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SOL32v11_modctl_t v11_32;
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SOL64v9_modctl_t v9_64;
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SOL64v11_modctl_t v11_64;
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typedef struct SOL32_module
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int32_t total_allocated; /**< 0 */
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Elf32_Ehdr hdr; /**< 4 Easy to validate */
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uint32_t shdrs; /**< 38 */
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uint32_t symhdr; /**< 3c */
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uint32_t strhdr; /**< 40 */
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uint32_t depends_on; /**< 44 */
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uint32_t symsize; /**< 48 */
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uint32_t symspace; /**< 4c */
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int32_t flags; /**< 50 */
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uint32_t text_size; /**< 54 */
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uint32_t data_size; /**< 58 */
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uint32_t text; /**< 5c */
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uint32_t data; /**< 60 */
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uint32_t symtbl_section; /**< 64 */
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uint32_t symtbl; /**< 68 */
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uint32_t strings; /**< 6c */
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uint32_t hashsize; /**< 70 */
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uint32_t buckets; /**< 74 */
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uint32_t chains; /**< 78 */
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uint32_t nsyms; /**< 7c */
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uint32_t bss_align; /**< 80 */
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uint32_t bss_size; /**< 84 */
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uint32_t bss; /**< 88 */
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uint32_t filename; /**< 8c */
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uint32_t head; /**< 90 */
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uint32_t tail; /**< 94 */
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uint32_t destination; /**< 98 */
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uint32_t machdata; /**< 9c */
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uint32_t ctfdata; /**< a0 */
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uint32_t ctfsize; /**< a4 */
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uint32_t fbt_tab; /**< a8 */
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uint32_t fbt_size; /**< ac */
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uint32_t fbt_nentries; /**< b0 */
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uint32_t textwin; /**< b4 */
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uint32_t textwin_base; /**< b8 */
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uint32_t sdt_probes; /**< bc */
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uint32_t sdt_nprobes; /**< c0 */
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uint32_t sdt_tab; /**< c4 */
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uint32_t sdt_size; /**< c8 */
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uint32_t sigdata; /**< cc */
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uint32_t sigsize; /**< d0 */
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AssertCompileSize(Elf32_Ehdr, 0x34);
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AssertCompileSize(SOL32_module_t, 0xd4);
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typedef struct SOL64_module
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int32_t total_allocated; /**< 0 */
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Elf64_Ehdr hdr; /**< 8 Easy to validate */
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uint64_t shdrs; /**< 48 */
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uint64_t symhdr; /**< 50 */
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uint64_t strhdr; /**< 58 */
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uint64_t depends_on; /**< 60 */
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uint64_t symsize; /**< 68 */
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uint64_t symspace; /**< 70 */
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int32_t flags; /**< 78 */
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uint64_t text_size; /**< 80 */
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uint64_t data_size; /**< 88 */
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uint64_t text; /**< 90 */
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uint64_t data; /**< 98 */
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uint32_t symtbl_section; /**< a0 */
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uint64_t symtbl; /**< a8 */
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uint64_t strings; /**< b0 */
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uint32_t hashsize; /**< b8 */
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uint64_t buckets; /**< c0 */
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uint64_t chains; /**< c8 */
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uint32_t nsyms; /**< d0 */
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uint32_t bss_align; /**< d4 */
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uint64_t bss_size; /**< d8 */
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uint64_t bss; /**< e0 */
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uint64_t filename; /**< e8 */
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uint64_t head; /**< f0 */
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uint64_t tail; /**< f8 */
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uint64_t destination; /**< 100 */
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uint64_t machdata; /**< 108 */
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uint64_t ctfdata; /**< 110 */
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uint64_t ctfsize; /**< 118 */
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uint64_t fbt_tab; /**< 120 */
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uint64_t fbt_size; /**< 128 */
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uint64_t fbt_nentries; /**< 130 */
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uint64_t textwin; /**< 138 */
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uint64_t textwin_base; /**< 140 */
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uint64_t sdt_probes; /**< 148 */
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uint64_t sdt_nprobes; /**< 150 */
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uint64_t sdt_tab; /**< 158 */
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uint64_t sdt_size; /**< 160 */
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uint64_t sigdata; /**< 168 */
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uint64_t sigsize; /**< 170 */
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AssertCompileSize(Elf64_Ehdr, 0x40);
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AssertCompileSize(SOL64_module_t, 0x178);
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typedef struct SOL_utsname
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AssertCompileSize(SOL_utsname_t, 5 * 257);
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* Solaris guest OS digger instance data.
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typedef struct DBGDIGGERSOLARIS
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/** Whether the information is valid or not.
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* (For fending off illegal interface method calls.) */
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/** Address of the 'unix' text segment.
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* This is set during probing. */
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DBGFADDRESS AddrUnixText;
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/** Address of the 'unix' text segment.
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* This is set during probing. */
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DBGFADDRESS AddrUnixData;
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/** Address of the 'unix' modctl_t (aka modules). */
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DBGFADDRESS AddrUnixModCtl;
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/** modctl_t version number. */
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/** 64-bit/32-bit indicator. */
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/** Pointer to the solaris guest OS digger instance data. */
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typedef DBGDIGGERSOLARIS *PDBGDIGGERSOLARIS;
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/*******************************************************************************
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* Defined Constants And Macros *
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*******************************************************************************/
318
/** Min kernel address. */
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#define SOL32_MIN_KRNL_ADDR UINT32_C(0x80000000)
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/** Max kernel address. */
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#define SOL32_MAX_KRNL_ADDR UINT32_C(0xfffff000)
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/** Min kernel address. */
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#define SOL64_MIN_KRNL_ADDR UINT64_C(0xFFFFFD8000000000)
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/** Max kernel address. */
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#define SOL64_MAX_KRNL_ADDR UINT64_C(0xFFFFFFFFFFF00000)
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/** Validates a 32-bit solaris kernel address */
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#if 0 /* OpenSolaris, early boot have symspace at 0x27a2000 */
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# define SOL32_VALID_ADDRESS(Addr) ((Addr) > SOL32_MIN_KRNL_ADDR && (Addr) < SOL32_MAX_KRNL_ADDR)
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# define SOL32_VALID_ADDRESS(Addr) ( ((Addr) > SOL32_MIN_KRNL_ADDR && (Addr) < SOL32_MAX_KRNL_ADDR) \
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|| ((Addr) > UINT32_C(0x02000000) && (Addr) < UINT32_C(0x04000000)) /* boot */ )
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/** Validates a 64-bit solaris kernel address */
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#define SOL64_VALID_ADDRESS(Addr) ( (Addr) > SOL64_MIN_KRNL_ADDR \
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&& (Addr) < SOL64_MAX_KRNL_ADDR)
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/** The max data segment size of the 'unix' module. */
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#define SOL_UNIX_MAX_DATA_SEG_SIZE 0x01000000
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/** The max code segment size of the 'unix' module.
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* This is the same for both 64-bit and 32-bit. */
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#define SOL_UNIX_MAX_CODE_SEG_SIZE 0x00400000
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/*******************************************************************************
350
* Internal Functions *
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*******************************************************************************/
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static DECLCALLBACK(int) dbgDiggerSolarisInit(PVM pVM, void *pvData);
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* @copydoc DBGFOSREG::pfnQueryInterface
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static DECLCALLBACK(void *) dbgDiggerSolarisQueryInterface(PVM pVM, void *pvData, DBGFOSINTERFACE enmIf)
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* @copydoc DBGFOSREG::pfnQueryVersion
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static DECLCALLBACK(int) dbgDiggerSolarisQueryVersion(PVM pVM, void *pvData, char *pszVersion, size_t cchVersion)
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PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
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Assert(pThis->fValid);
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* It's all in the utsname symbol...
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SOL_utsname_t UtsName;
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RTDBGSYMBOL SymUtsName;
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int rc = DBGFR3AsSymbolByName(pVM, DBGF_AS_KERNEL, "utsname", &SymUtsName, NULL);
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rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, SymUtsName.Value), &UtsName, sizeof(UtsName));
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* Try searching by the name...
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memset(&UtsName, '\0', sizeof(UtsName));
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strcpy(&UtsName.sysname[0], "SunOS");
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rc = DBGFR3MemScan(pVM, 0, &pThis->AddrUnixData, SOL_UNIX_MAX_DATA_SEG_SIZE, 1,
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&UtsName.sysname[0], sizeof(UtsName.sysname), &Addr);
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rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Addr.FlatPtr - RT_OFFSETOF(SOL_utsname_t, sysname)),
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&UtsName, sizeof(UtsName));
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* Copy out the result (if any).
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if ( UtsName.sysname[sizeof(UtsName.sysname) - 1] != '\0'
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|| UtsName.nodename[sizeof(UtsName.nodename) - 1] != '\0'
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|| UtsName.release[sizeof(UtsName.release) - 1] != '\0'
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|| UtsName.version[sizeof(UtsName.version) - 1] != '\0'
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|| UtsName.machine[sizeof(UtsName.machine) - 1] != '\0')
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//rc = VERR_DBGF_UNEXPECTED_OS_DATA;
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rc = VERR_GENERAL_FAILURE;
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RTStrPrintf(pszVersion, cchVersion, "failed - bogus utsname");
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RTStrPrintf(pszVersion, cchVersion, "%s %s", UtsName.version, UtsName.release);
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RTStrPrintf(pszVersion, cchVersion, "failed - %Rrc", rc);
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* Processes a modctl_t.
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* @param pVM The VM handle.
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* @param pThis Our instance data.
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* @param pModCtl Pointer to the modctl structure.
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static void dbgDiggerSolarisProcessModCtl32(PVM pVM, PDBGDIGGERSOLARIS pThis, SOL_modctl_t const *pModCtl)
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/* skip it if it's not loaded and installed */
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AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_loaded, v9_32.mod_loaded);
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AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_installed, v9_32.mod_installed);
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AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_id, v9_32.mod_id);
435
if ( ( !pModCtl->v9_32.mod_loaded
436
|| !pModCtl->v9_32.mod_installed)
437
&& pModCtl->v9_32.mod_id > 3)
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* Read the module and file names first
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AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_modname, v9_32.mod_modname);
446
int rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_32.mod_modname), szModName, sizeof(szModName));
449
if (!RTStrEnd(szModName, sizeof(szModName)))
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szModName[sizeof(szModName) - 1] = '\0';
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AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_filename, v9_32.mod_filename);
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char szFilename[256];
454
rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_32.mod_filename), szFilename, sizeof(szFilename));
456
strcpy(szFilename, szModName);
457
else if (!RTStrEnd(szFilename, sizeof(szFilename)))
458
szFilename[sizeof(szFilename) - 1] = '\0';
461
* Then read the module struct and validate it.
463
AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_mp, v9_32.mod_mp);
464
struct SOL32_module Module;
465
rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_32.mod_mp), &Module, sizeof(Module));
469
/* Basic validations of the elf header. */
470
if ( Module.hdr.e_ident[EI_MAG0] != ELFMAG0
471
|| Module.hdr.e_ident[EI_MAG1] != ELFMAG1
472
|| Module.hdr.e_ident[EI_MAG2] != ELFMAG2
473
|| Module.hdr.e_ident[EI_MAG3] != ELFMAG3
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|| Module.hdr.e_ident[EI_CLASS] != ELFCLASS32
475
|| Module.hdr.e_ident[EI_DATA] != ELFDATA2LSB
476
|| Module.hdr.e_ident[EI_VERSION] != EV_CURRENT
477
|| ASMMemIsAll8(&Module.hdr.e_ident[EI_PAD], EI_NIDENT - EI_PAD, 0) != NULL
480
if (Module.hdr.e_version != EV_CURRENT)
482
if (Module.hdr.e_ehsize != sizeof(Module.hdr))
484
if ( Module.hdr.e_type != ET_DYN
485
&& Module.hdr.e_type != ET_REL
486
&& Module.hdr.e_type != ET_EXEC) //??
488
if ( Module.hdr.e_machine != EM_386
489
&& Module.hdr.e_machine != EM_486)
491
if ( Module.hdr.e_phentsize != sizeof(Elf32_Phdr)
492
&& Module.hdr.e_phentsize) //??
494
if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
497
if (Module.hdr.e_shentsize != sizeof(Elf32_Shdr))
500
/* Basic validations of the rest of the stuff. */
501
if ( !SOL32_VALID_ADDRESS(Module.shdrs)
502
|| !SOL32_VALID_ADDRESS(Module.symhdr)
503
|| !SOL32_VALID_ADDRESS(Module.strhdr)
504
|| (!SOL32_VALID_ADDRESS(Module.symspace) && Module.symspace)
505
|| !SOL32_VALID_ADDRESS(Module.text)
506
|| !SOL32_VALID_ADDRESS(Module.data)
507
|| (!SOL32_VALID_ADDRESS(Module.symtbl) && Module.symtbl)
508
|| (!SOL32_VALID_ADDRESS(Module.strings) && Module.strings)
509
|| (!SOL32_VALID_ADDRESS(Module.head) && Module.head)
510
|| (!SOL32_VALID_ADDRESS(Module.tail) && Module.tail)
511
|| !SOL32_VALID_ADDRESS(Module.filename))
513
if ( Module.symsize > _4M
514
|| Module.hdr.e_shnum > 4096
515
|| Module.nsyms > _256K)
518
/* Ignore modules without symbols. */
519
if (!Module.symtbl || !Module.strings || !Module.symspace || !Module.symspace)
522
/* Check that the symtbl and strings points inside the symspace. */
523
if (Module.strings - Module.symspace >= Module.symsize)
525
if (Module.symtbl - Module.symspace >= Module.symsize)
529
* Read the section headers, symbol table and string tables.
531
size_t cb = Module.hdr.e_shnum * sizeof(Elf32_Shdr);
532
Elf32_Shdr *paShdrs = (Elf32_Shdr *)RTMemTmpAlloc(cb);
535
rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.shdrs), paShdrs, cb);
538
void *pvSymSpace = RTMemTmpAlloc(Module.symsize + 1);
541
rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.symspace), pvSymSpace, Module.symsize);
544
((uint8_t *)pvSymSpace)[Module.symsize] = 0;
547
* Hand it over to the common ELF32 module parser.
549
char const *pbStrings = (char const *)pvSymSpace + (Module.strings - Module.symspace);
550
size_t cbMaxStrings = Module.symsize - (Module.strings - Module.symspace);
552
Elf32_Sym const *paSyms = (Elf32_Sym const *)((uintptr_t)pvSymSpace + (Module.symtbl - Module.symspace));
553
size_t cMaxSyms = (Module.symsize - (Module.symtbl - Module.symspace)) / sizeof(Elf32_Sym);
554
cMaxSyms = RT_MIN(cMaxSyms, Module.nsyms);
556
DBGDiggerCommonParseElf32Mod(pVM, szModName, szFilename, DBG_DIGGER_ELF_FUNNY_SHDRS,
557
&Module.hdr, paShdrs, paSyms, cMaxSyms, pbStrings, cbMaxStrings,
558
SOL32_MIN_KRNL_ADDR, SOL32_MAX_KRNL_ADDR - 1, DIG_SOL_MOD_TAG);
560
RTMemTmpFree(pvSymSpace);
564
RTMemTmpFree(paShdrs);
570
* Processes a modctl_t.
572
* @param pVM The VM handle.
573
* @param pThis Our instance data.
574
* @param pModCtl Pointer to the modctl structure.
576
static void dbgDiggerSolarisProcessModCtl64(PVM pVM, PDBGDIGGERSOLARIS pThis, SOL_modctl_t const *pModCtl)
578
/* skip it if it's not loaded and installed */
579
AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_loaded, v9_64.mod_loaded);
580
AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_installed, v9_64.mod_installed);
581
AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_id, v9_64.mod_id);
582
if ( ( !pModCtl->v9_64.mod_loaded
583
|| !pModCtl->v9_64.mod_installed)
584
&& pModCtl->v9_64.mod_id > 3)
588
* Read the module and file names first
590
AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_modname, v9_64.mod_modname);
593
int rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_64.mod_modname), szModName, sizeof(szModName));
596
if (!RTStrEnd(szModName, sizeof(szModName)))
597
szModName[sizeof(szModName) - 1] = '\0';
599
AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_filename, v9_64.mod_filename);
600
char szFilename[256];
601
rc = DBGFR3MemReadString(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_64.mod_filename), szFilename, sizeof(szFilename));
603
strcpy(szFilename, szModName);
604
else if (!RTStrEnd(szFilename, sizeof(szFilename)))
605
szFilename[sizeof(szFilename) - 1] = '\0';
608
* Then read the module struct and validate it.
610
AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_mp, v9_64.mod_mp);
611
struct SOL64_module Module;
612
rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, pModCtl->v9_64.mod_mp), &Module, sizeof(Module));
616
/* Basic validations of the elf header. */
617
if ( Module.hdr.e_ident[EI_MAG0] != ELFMAG0
618
|| Module.hdr.e_ident[EI_MAG1] != ELFMAG1
619
|| Module.hdr.e_ident[EI_MAG2] != ELFMAG2
620
|| Module.hdr.e_ident[EI_MAG3] != ELFMAG3
621
|| Module.hdr.e_ident[EI_CLASS] != ELFCLASS64
622
|| Module.hdr.e_ident[EI_DATA] != ELFDATA2LSB
623
|| Module.hdr.e_ident[EI_VERSION] != EV_CURRENT
624
|| ASMMemIsAll8(&Module.hdr.e_ident[EI_PAD], EI_NIDENT - EI_PAD, 0) != NULL
627
if (Module.hdr.e_version != EV_CURRENT)
629
if (Module.hdr.e_ehsize != sizeof(Module.hdr))
631
if ( Module.hdr.e_type != ET_DYN
632
&& Module.hdr.e_type != ET_REL
633
&& Module.hdr.e_type != ET_EXEC) //??
635
if (Module.hdr.e_machine != EM_X86_64)
637
if ( Module.hdr.e_phentsize != sizeof(Elf64_Phdr)
638
&& Module.hdr.e_phentsize) //??
640
if (Module.hdr.e_shentsize != sizeof(Elf64_Shdr))
643
if (Module.hdr.e_shentsize != sizeof(Elf64_Shdr))
646
/* Basic validations of the rest of the stuff. */
647
if ( !SOL64_VALID_ADDRESS(Module.shdrs)
648
|| !SOL64_VALID_ADDRESS(Module.symhdr)
649
|| !SOL64_VALID_ADDRESS(Module.strhdr)
650
|| (!SOL64_VALID_ADDRESS(Module.symspace) && Module.symspace)
651
|| !SOL64_VALID_ADDRESS(Module.text)
652
|| !SOL64_VALID_ADDRESS(Module.data)
653
|| (!SOL64_VALID_ADDRESS(Module.symtbl) && Module.symtbl)
654
|| (!SOL64_VALID_ADDRESS(Module.strings) && Module.strings)
655
|| (!SOL64_VALID_ADDRESS(Module.head) && Module.head)
656
|| (!SOL64_VALID_ADDRESS(Module.tail) && Module.tail)
657
|| !SOL64_VALID_ADDRESS(Module.filename))
659
if ( Module.symsize > _4M
660
|| Module.hdr.e_shnum > 4096
661
|| Module.nsyms > _256K)
664
/* Ignore modules without symbols. */
665
if (!Module.symtbl || !Module.strings || !Module.symspace || !Module.symspace)
668
/* Check that the symtbl and strings points inside the symspace. */
669
if (Module.strings - Module.symspace >= Module.symsize)
671
if (Module.symtbl - Module.symspace >= Module.symsize)
675
* Read the section headers, symbol table and string tables.
677
size_t cb = Module.hdr.e_shnum * sizeof(Elf64_Shdr);
678
Elf64_Shdr *paShdrs = (Elf64_Shdr *)RTMemTmpAlloc(cb);
681
rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.shdrs), paShdrs, cb);
684
void *pvSymSpace = RTMemTmpAlloc(Module.symsize + 1);
687
rc = DBGFR3MemRead(pVM, 0, DBGFR3AddrFromFlat(pVM, &Addr, Module.symspace), pvSymSpace, Module.symsize);
690
((uint8_t *)pvSymSpace)[Module.symsize] = 0;
693
* Hand it over to the common ELF64 module parser.
695
char const *pbStrings = (char const *)pvSymSpace + (Module.strings - Module.symspace);
696
size_t cbMaxStrings = Module.symsize - (Module.strings - Module.symspace);
698
Elf64_Sym const *paSyms = (Elf64_Sym const *)((uintptr_t)pvSymSpace + (uintptr_t)(Module.symtbl - Module.symspace));
699
size_t cMaxSyms = (Module.symsize - (Module.symtbl - Module.symspace)) / sizeof(Elf32_Sym);
700
cMaxSyms = RT_MIN(cMaxSyms, Module.nsyms);
702
DBGDiggerCommonParseElf64Mod(pVM, szModName, szFilename, DBG_DIGGER_ELF_FUNNY_SHDRS,
703
&Module.hdr, paShdrs, paSyms, cMaxSyms, pbStrings, cbMaxStrings,
704
SOL64_MIN_KRNL_ADDR, SOL64_MAX_KRNL_ADDR - 1, DIG_SOL_MOD_TAG);
706
RTMemTmpFree(pvSymSpace);
710
RTMemTmpFree(paShdrs);
716
* @copydoc DBGFOSREG::pfnTerm
718
static DECLCALLBACK(void) dbgDiggerSolarisTerm(PVM pVM, void *pvData)
720
PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
721
Assert(pThis->fValid);
723
pThis->fValid = false;
728
* @copydoc DBGFOSREG::pfnRefresh
730
static DECLCALLBACK(int) dbgDiggerSolarisRefresh(PVM pVM, void *pvData)
732
PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
734
Assert(pThis->fValid);
737
* For now we'll flush and reload everything.
739
RTDBGAS hDbgAs = DBGFR3AsResolveAndRetain(pVM, DBGF_AS_KERNEL);
740
if (hDbgAs != NIL_RTDBGAS)
742
uint32_t iMod = RTDbgAsModuleCount(hDbgAs);
745
RTDBGMOD hMod = RTDbgAsModuleByIndex(hDbgAs, iMod);
746
if (hMod != NIL_RTDBGMOD)
748
if (RTDbgModGetTag(hMod) == DIG_SOL_MOD_TAG)
750
int rc = RTDbgAsModuleUnlink(hDbgAs, hMod);
753
RTDbgModRelease(hMod);
756
RTDbgAsRelease(hDbgAs);
759
dbgDiggerSolarisTerm(pVM, pvData);
760
return dbgDiggerSolarisInit(pVM, pvData);
765
* @copydoc DBGFOSREG::pfnInit
767
static DECLCALLBACK(int) dbgDiggerSolarisInit(PVM pVM, void *pvData)
769
PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
770
Assert(!pThis->fValid);
775
* On Solaris the kernel and is the global address space.
777
DBGFR3AsSetAlias(pVM, DBGF_AS_KERNEL, DBGF_AS_GLOBAL);
779
/** @todo Use debug_info, build 7x / S10U6. */
782
* Find the 'unix' modctl_t structure (aka modules).
783
* We know it resides in the unix data segment.
785
DBGFR3AddrFromFlat(pVM, &pThis->AddrUnixModCtl, 0);
787
DBGFADDRESS CurAddr = pThis->AddrUnixData;
789
DBGFR3AddrFromFlat(pVM, &MaxAddr, CurAddr.FlatPtr + SOL_UNIX_MAX_DATA_SEG_SIZE);
790
const uint8_t *pbExpr = (const uint8_t *)&pThis->AddrUnixText.FlatPtr;
791
const uint32_t cbExpr = pThis->f64Bit ? sizeof(uint64_t) : sizeof(uint32_t);
792
while ( CurAddr.FlatPtr < MaxAddr.FlatPtr
793
&& CurAddr.FlatPtr >= pThis->AddrUnixData.FlatPtr)
796
rc = DBGFR3MemScan(pVM, 0, &CurAddr, MaxAddr.FlatPtr - CurAddr.FlatPtr, 1, pbExpr, cbExpr, &HitAddr);
801
* Read out the modctl_t structure.
803
DBGFADDRESS ModCtlAddr;
808
DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v11_modctl_t, mod_text));
809
SOL64v11_modctl_t ModCtlv11;
810
rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv11, sizeof(ModCtlv11));
813
if ( SOL64_VALID_ADDRESS(ModCtlv11.mod_next)
814
&& SOL64_VALID_ADDRESS(ModCtlv11.mod_prev)
815
&& ModCtlv11.mod_id == 0
816
&& SOL64_VALID_ADDRESS(ModCtlv11.mod_mp)
817
&& SOL64_VALID_ADDRESS(ModCtlv11.mod_filename)
818
&& SOL64_VALID_ADDRESS(ModCtlv11.mod_modname)
819
&& ModCtlv11.mod_prim == 1
820
&& ModCtlv11.mod_loaded == 1
821
&& ModCtlv11.mod_installed == 1
822
&& ModCtlv11.mod_requisites == 0
823
&& ModCtlv11.mod_loadcnt == 1
824
/*&& ModCtlv11.mod_text == pThis->AddrUnixText.FlatPtr*/
825
&& ModCtlv11.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE
826
&& ModCtlv11.mod_text_size >= _128K)
829
DBGFADDRESS NameAddr;
830
DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv11.mod_modname);
831
rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
834
if (!strcmp(szUnix, "unix"))
836
pThis->AddrUnixModCtl = ModCtlAddr;
837
pThis->iModCtlVer = 11;
838
cbModCtl = sizeof(ModCtlv11);
841
Log(("sol64 mod_name=%.*s v11\n", sizeof(szUnix), szUnix));
848
DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v11_modctl_t, mod_text));
849
SOL32v11_modctl_t ModCtlv11;
850
rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv11, sizeof(ModCtlv11));
853
if ( SOL32_VALID_ADDRESS(ModCtlv11.mod_next)
854
&& SOL32_VALID_ADDRESS(ModCtlv11.mod_prev)
855
&& ModCtlv11.mod_id == 0
856
&& SOL32_VALID_ADDRESS(ModCtlv11.mod_mp)
857
&& SOL32_VALID_ADDRESS(ModCtlv11.mod_filename)
858
&& SOL32_VALID_ADDRESS(ModCtlv11.mod_modname)
859
&& ModCtlv11.mod_prim == 1
860
&& ModCtlv11.mod_loaded == 1
861
&& ModCtlv11.mod_installed == 1
862
&& ModCtlv11.mod_requisites == 0
863
&& ModCtlv11.mod_loadcnt == 1
864
/*&& ModCtlv11.mod_text == pThis->AddrUnixText.FlatPtr*/
865
&& ModCtlv11.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE
866
&& ModCtlv11.mod_text_size >= _128K)
869
DBGFADDRESS NameAddr;
870
DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv11.mod_modname);
871
rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
874
if (!strcmp(szUnix, "unix"))
876
pThis->AddrUnixModCtl = ModCtlAddr;
877
pThis->iModCtlVer = 11;
878
cbModCtl = sizeof(ModCtlv11);
881
Log(("sol32 mod_name=%.*s v11\n", sizeof(szUnix), szUnix));
890
DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL64v9_modctl_t, mod_text));
891
SOL64v9_modctl_t ModCtlv9;
892
rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv9, sizeof(ModCtlv9));
895
if ( SOL64_VALID_ADDRESS(ModCtlv9.mod_next)
896
&& SOL64_VALID_ADDRESS(ModCtlv9.mod_prev)
897
&& ModCtlv9.mod_id == 0
898
&& SOL64_VALID_ADDRESS(ModCtlv9.mod_mp)
899
&& SOL64_VALID_ADDRESS(ModCtlv9.mod_filename)
900
&& SOL64_VALID_ADDRESS(ModCtlv9.mod_modname)
901
&& (ModCtlv9.mod_loaded == 1 || ModCtlv9.mod_loaded == 0)
902
&& (ModCtlv9.mod_installed == 1 || ModCtlv9.mod_installed == 0)
903
&& ModCtlv9.mod_requisites == 0
904
&& (ModCtlv9.mod_loadcnt == 1 || ModCtlv9.mod_loadcnt == 0)
905
/*&& ModCtlv9.mod_text == pThis->AddrUnixText.FlatPtr*/
906
&& ModCtlv9.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE)
909
DBGFADDRESS NameAddr;
910
DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv9.mod_modname);
911
rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
914
if (!strcmp(szUnix, "unix"))
916
pThis->AddrUnixModCtl = ModCtlAddr;
917
pThis->iModCtlVer = 9;
918
cbModCtl = sizeof(ModCtlv9);
921
Log(("sol64 mod_name=%.*s v9\n", sizeof(szUnix), szUnix));
928
DBGFR3AddrFromFlat(pVM, &ModCtlAddr, HitAddr.FlatPtr - RT_OFFSETOF(SOL32v9_modctl_t, mod_text));
929
SOL32v9_modctl_t ModCtlv9;
930
rc = DBGFR3MemRead(pVM, 0, &ModCtlAddr, &ModCtlv9, sizeof(ModCtlv9));
933
if ( SOL32_VALID_ADDRESS(ModCtlv9.mod_next)
934
&& SOL32_VALID_ADDRESS(ModCtlv9.mod_prev)
935
&& ModCtlv9.mod_id == 0
936
&& SOL32_VALID_ADDRESS(ModCtlv9.mod_mp)
937
&& SOL32_VALID_ADDRESS(ModCtlv9.mod_filename)
938
&& SOL32_VALID_ADDRESS(ModCtlv9.mod_modname)
939
&& (ModCtlv9.mod_loaded == 1 || ModCtlv9.mod_loaded == 0)
940
&& (ModCtlv9.mod_installed == 1 || ModCtlv9.mod_installed == 0)
941
&& ModCtlv9.mod_requisites == 0
942
&& (ModCtlv9.mod_loadcnt == 1 || ModCtlv9.mod_loadcnt == 0)
943
/*&& ModCtlv9.mod_text == pThis->AddrUnixText.FlatPtr*/
944
&& ModCtlv9.mod_text_size < SOL_UNIX_MAX_CODE_SEG_SIZE )
947
DBGFADDRESS NameAddr;
948
DBGFR3AddrFromFlat(pVM, &NameAddr, ModCtlv9.mod_modname);
949
rc = DBGFR3MemRead(pVM, 0, &NameAddr, &szUnix, sizeof(szUnix));
952
if (!strcmp(szUnix, "unix"))
954
pThis->AddrUnixModCtl = ModCtlAddr;
955
pThis->iModCtlVer = 9;
956
cbModCtl = sizeof(ModCtlv9);
959
Log(("sol32 mod_name=%.*s v9\n", sizeof(szUnix), szUnix));
966
DBGFR3AddrFromFlat(pVM, &CurAddr, HitAddr.FlatPtr + cbExpr);
970
* Walk the module chain and add the modules and their symbols.
972
if (pThis->AddrUnixModCtl.FlatPtr)
975
CurAddr = pThis->AddrUnixModCtl;
980
rc = DBGFR3MemRead(pVM, 0, &CurAddr, &ModCtl, cbModCtl);
983
LogRel(("sol: bad modctl_t chain: %RGv - %Rrc\n", iMod, CurAddr.FlatPtr, rc));
989
dbgDiggerSolarisProcessModCtl64(pVM, pThis, &ModCtl);
991
dbgDiggerSolarisProcessModCtl32(pVM, pThis, &ModCtl);
996
AssertCompile2MemberOffsets(SOL_modctl_t, v11_64.mod_next, v9_64.mod_next);
997
if (!SOL64_VALID_ADDRESS(ModCtl.v9_64.mod_next))
999
LogRel(("sol64: bad modctl_t chain at %RGv: %RGv\n", iMod, CurAddr.FlatPtr, (RTGCUINTPTR)ModCtl.v9_64.mod_next));
1002
DBGFR3AddrFromFlat(pVM, &CurAddr, ModCtl.v9_64.mod_next);
1006
AssertCompile2MemberOffsets(SOL_modctl_t, v11_32.mod_next, v9_32.mod_next);
1007
if (!SOL32_VALID_ADDRESS(ModCtl.v9_32.mod_next))
1009
LogRel(("sol32: bad modctl_t chain at %RGv: %RGv\n", iMod, CurAddr.FlatPtr, (RTGCUINTPTR)ModCtl.v9_32.mod_next));
1012
DBGFR3AddrFromFlat(pVM, &CurAddr, ModCtl.v9_32.mod_next);
1016
LogRel(("sol32: too many modules (%d)\n", iMod));
1019
} while (CurAddr.FlatPtr != pThis->AddrUnixModCtl.FlatPtr);
1022
pThis->fValid = true;
1023
return VINF_SUCCESS;
1028
* @copydoc DBGFOSREG::pfnProbe
1030
static DECLCALLBACK(bool) dbgDiggerSolarisProbe(PVM pVM, void *pvData)
1032
PDBGDIGGERSOLARIS pThis = (PDBGDIGGERSOLARIS)pvData;
1035
* Look for "SunOS Release" in the text segment.
1038
bool f64Bit = false;
1040
/* 32-bit search range. */
1041
DBGFR3AddrFromFlat(pVM, &Addr, 0xfe800000);
1042
RTGCUINTPTR cbRange = 0xfec00000 - 0xfe800000;
1044
DBGFADDRESS HitAddr;
1045
static const uint8_t s_abSunRelease[] = "SunOS Release ";
1046
int rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abSunRelease, sizeof(s_abSunRelease) - 1, &HitAddr);
1050
DBGFR3AddrFromFlat(pVM, &Addr, UINT64_C(0xfffffffffb800000));
1051
cbRange = UINT64_C(0xfffffffffbc00000) - UINT64_C(0xfffffffffb800000);
1052
rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abSunRelease, sizeof(s_abSunRelease) - 1, &HitAddr);
1059
* Look for the copyright string too, just to be sure.
1061
static const uint8_t s_abSMI[] = "Sun Microsystems, Inc.";
1062
static const uint8_t s_abORCL[] = "Oracle and/or its affiliates.";
1063
rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abSMI, sizeof(s_abSMI) - 1, &HitAddr);
1066
/* Try the alternate copyright string. */
1067
rc = DBGFR3MemScan(pVM, 0, &Addr, cbRange, 1, s_abORCL, sizeof(s_abORCL) - 1, &HitAddr);
1073
* Remember the unix text and data addresses and bitness.
1075
pThis->AddrUnixText = Addr;
1076
DBGFR3AddrAdd(&Addr, SOL_UNIX_MAX_CODE_SEG_SIZE);
1077
pThis->AddrUnixData = Addr;
1078
pThis->f64Bit = f64Bit;
1085
* @copydoc DBGFOSREG::pfnDestruct
1087
static DECLCALLBACK(void) dbgDiggerSolarisDestruct(PVM pVM, void *pvData)
1094
* @copydoc DBGFOSREG::pfnConstruct
1096
static DECLCALLBACK(int) dbgDiggerSolarisConstruct(PVM pVM, void *pvData)
1098
return VINF_SUCCESS;
1102
const DBGFOSREG g_DBGDiggerSolaris =
1104
/* .u32Magic = */ DBGFOSREG_MAGIC,
1106
/* .cbData = */ sizeof(DBGDIGGERSOLARIS),
1107
/* .szName = */ "Solaris",
1108
/* .pfnConstruct = */ dbgDiggerSolarisConstruct,
1109
/* .pfnDestruct = */ dbgDiggerSolarisDestruct,
1110
/* .pfnProbe = */ dbgDiggerSolarisProbe,
1111
/* .pfnInit = */ dbgDiggerSolarisInit,
1112
/* .pfnRefresh = */ dbgDiggerSolarisRefresh,
1113
/* .pfnTerm = */ dbgDiggerSolarisTerm,
1114
/* .pfnQueryVersion = */ dbgDiggerSolarisQueryVersion,
1115
/* .pfnQueryInterface = */ dbgDiggerSolarisQueryInterface,
1116
/* .u32EndMagic = */ DBGFOSREG_MAGIC