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/* $Id: DBGPlugInCommonELF.cpp $ */
/** @file
* DBGPlugInCommonELF - Common code for dealing with ELF images.
*/
/*
* Copyright (C) 2008-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_DBGF /// @todo add new log group.
#include "DBGPlugInCommonELF.h"
#include <VBox/vmm/vmmr3vtable.h>
#include <iprt/alloca.h>
#include <iprt/asm.h>
#include <iprt/assert.h>
#include <iprt/dbg.h>
#include <iprt/err.h>
#include <iprt/mem.h>
#include <iprt/string.h>
/*********************************************************************************************************************************
* Structures and Typedefs *
*********************************************************************************************************************************/
typedef struct DBGDIGGERELFSEG
{
/** The segment load address. */
RTGCPTR uLoadAddr;
/** The last address in the segment. */
RTGCPTR uLastAddr;
/** The segment index. */
RTDBGSEGIDX iSeg;
} DBGDIGGERELFSEG;
typedef DBGDIGGERELFSEG *PDBGDIGGERELFSEG;
/**
* Links the segments of the module into the address space.
*
* @returns VBox status code on failure.
*
* @param hAs The address space.
* @param hMod The module.
* @param paSegs Array of segment indexes and load addresses.
* @param cSegs The number of segments in the array.
*/
static int dbgDiggerCommonLinkElfSegs(RTDBGAS hAs, RTDBGMOD hMod, PDBGDIGGERELFSEG paSegs, uint32_t cSegs)
{
for (uint32_t i = 0; i < cSegs; i++)
if (paSegs[i].iSeg != NIL_RTDBGSEGIDX)
{
int rc = RTDbgAsModuleLinkSeg(hAs, hMod, paSegs[i].iSeg, paSegs[i].uLoadAddr, RTDBGASLINK_FLAGS_REPLACE);
if (RT_FAILURE(rc))
{
RTDbgAsModuleUnlink(hAs, hMod);
return rc;
}
}
return VINF_SUCCESS;
}
/*
* Instantiate the code templates for dealing with the two ELF versions.
*/
#define ELF_MODE 32
#include "DBGPlugInCommonELFTmpl.cpp.h"
#undef ELF_MODE
#define ELF_MODE 64
#include "DBGPlugInCommonELFTmpl.cpp.h"
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