2004-04-06 00:21:27 +02:00
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/*
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* File elf.c - processing of ELF files
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*
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* Copyright (C) 1996, Eric Youngdale.
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* 1999-2004 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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2005-08-03 23:25:10 +02:00
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#include "wine/port.h"
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2004-04-06 00:21:27 +02:00
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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2005-05-06 18:22:54 +02:00
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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2004-04-06 00:21:27 +02:00
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#include <fcntl.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifndef PATH_MAX
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#define PATH_MAX MAX_PATH
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#endif
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#include "dbghelp_private.h"
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#if defined(__svr4__) || defined(__sun)
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#define __ELF__
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#endif
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#ifdef HAVE_ELF_H
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# include <elf.h>
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#endif
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#ifdef HAVE_SYS_ELF32_H
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# include <sys/elf32.h>
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#endif
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#ifdef HAVE_SYS_EXEC_ELF_H
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# include <sys/exec_elf.h>
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#endif
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#if !defined(DT_NUM)
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# if defined(DT_COUNT)
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# define DT_NUM DT_COUNT
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# else
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/* this seems to be a satisfactory value on Solaris, which doesn't support this AFAICT */
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# define DT_NUM 24
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# endif
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#endif
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#ifdef HAVE_LINK_H
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# include <link.h>
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#endif
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#ifdef HAVE_SYS_LINK_H
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# include <sys/link.h>
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#endif
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
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2004-05-18 23:29:09 +02:00
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struct elf_module_info
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2004-04-06 00:21:27 +02:00
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{
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2004-05-18 23:29:09 +02:00
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unsigned long elf_addr;
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unsigned short elf_mark : 1,
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elf_loader : 1;
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};
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2004-04-06 00:21:27 +02:00
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#ifdef __ELF__
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#define ELF_INFO_DEBUG_HEADER 0x0001
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#define ELF_INFO_MODULE 0x0002
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2005-03-29 15:14:08 +02:00
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#define ELF_INFO_NAME 0x0004
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2004-04-06 00:21:27 +02:00
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struct elf_info
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{
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2004-05-18 23:29:09 +02:00
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unsigned flags; /* IN one (or several) of the ELF_INFO constants */
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unsigned long dbg_hdr_addr; /* OUT address of debug header (if ELF_INFO_DEBUG_HEADER is set) */
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struct module* module; /* OUT loaded module (if ELF_INFO_MODULE is set) */
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2005-03-29 15:14:08 +02:00
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const char* module_name; /* OUT found module name (if ELF_INFO_NAME is set) */
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2004-05-18 23:29:09 +02:00
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};
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2005-03-01 11:39:49 +01:00
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#define NO_MAP ((const void*)0xffffffff)
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/* structure holding information while handling an ELF image
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* allows one by one section mapping for memory savings
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*/
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struct elf_file_map
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{
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Elf32_Ehdr elfhdr;
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size_t elf_size;
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size_t elf_start;
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struct
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{
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Elf32_Shdr shdr;
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const char* mapped;
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}* sect;
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int fd;
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unsigned with_crc;
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unsigned long crc;
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};
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2004-05-18 23:29:09 +02:00
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struct symtab_elt
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{
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struct hash_table_elt ht_elt;
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const Elf32_Sym* symp;
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const char* filename;
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unsigned used;
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};
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struct thunk_area
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{
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const char* symname;
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THUNK_ORDINAL ordinal;
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unsigned long rva_start;
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unsigned long rva_end;
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2004-04-06 00:21:27 +02:00
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};
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2005-03-01 11:39:49 +01:00
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/******************************************************************
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* elf_map_section
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*
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2005-03-23 14:15:18 +01:00
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* Maps a single section into memory from an ELF file
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2005-03-01 11:39:49 +01:00
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*/
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static const char* elf_map_section(struct elf_file_map* fmap, int sidx)
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{
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unsigned pgsz = getpagesize();
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unsigned ofst, size;
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if (sidx >= fmap->elfhdr.e_shnum ||
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fmap->sect[sidx].shdr.sh_type == SHT_NOBITS)
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return NO_MAP;
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/* align required information on page size (we assume pagesize is a power of 2) */
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ofst = fmap->sect[sidx].shdr.sh_offset & ~(pgsz - 1);
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2005-03-29 15:14:08 +02:00
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size = (fmap->sect[sidx].shdr.sh_offset +
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fmap->sect[sidx].shdr.sh_size + pgsz - 1) & ~(pgsz - 1);
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2005-03-01 11:39:49 +01:00
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fmap->sect[sidx].mapped = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fmap->fd, ofst);
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if (fmap->sect[sidx].mapped == NO_MAP) return NO_MAP;
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return fmap->sect[sidx].mapped + (fmap->sect[sidx].shdr.sh_offset & (pgsz - 1));
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}
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/******************************************************************
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* elf_unmap_section
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*
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* Unmaps a single section from memory
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*/
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static void elf_unmap_section(struct elf_file_map* fmap, int sidx)
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{
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if (sidx < fmap->elfhdr.e_shnum && fmap->sect[sidx].mapped != NO_MAP)
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{
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munmap((char*)fmap->sect[sidx].mapped, fmap->sect[sidx].shdr.sh_size);
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fmap->sect[sidx].mapped = NO_MAP;
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}
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}
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/******************************************************************
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* elf_map_file
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*
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2005-03-23 14:15:18 +01:00
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* Maps an ELF file into memory (and checks it's a real ELF file)
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2005-03-01 11:39:49 +01:00
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*/
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static BOOL elf_map_file(const char* filename, struct elf_file_map* fmap)
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{
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static const BYTE elf_signature[4] = { ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3 };
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struct stat statbuf;
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int i;
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Elf32_Phdr phdr;
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unsigned tmp, page_mask = getpagesize() - 1;
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fmap->fd = -1;
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fmap->with_crc = 0;
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/* check that the file exists, and that the module hasn't been loaded yet */
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if (stat(filename, &statbuf) == -1 || S_ISDIR(statbuf.st_mode)) return FALSE;
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/* Now open the file, so that we can mmap() it. */
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if ((fmap->fd = open(filename, O_RDONLY)) == -1) return FALSE;
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if (read(fmap->fd, &fmap->elfhdr, sizeof(fmap->elfhdr)) != sizeof(fmap->elfhdr))
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return FALSE;
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/* and check for an ELF header */
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if (memcmp(fmap->elfhdr.e_ident,
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elf_signature, sizeof(elf_signature))) return FALSE;
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2005-03-29 15:14:08 +02:00
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fmap->sect = HeapAlloc(GetProcessHeap(), 0,
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fmap->elfhdr.e_shnum * sizeof(fmap->sect[0]));
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2005-03-01 11:39:49 +01:00
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if (!fmap->sect) return FALSE;
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lseek(fmap->fd, fmap->elfhdr.e_shoff, SEEK_SET);
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for (i = 0; i < fmap->elfhdr.e_shnum; i++)
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{
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read(fmap->fd, &fmap->sect[i].shdr, sizeof(fmap->sect[i].shdr));
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fmap->sect[i].mapped = NO_MAP;
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}
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/* grab size of module once loaded in memory */
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lseek(fmap->fd, fmap->elfhdr.e_phoff, SEEK_SET);
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fmap->elf_size = 0;
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fmap->elf_start = ~0L;
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for (i = 0; i < fmap->elfhdr.e_phnum; i++)
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{
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if (read(fmap->fd, &phdr, sizeof(phdr)) == sizeof(phdr) &&
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phdr.p_type == PT_LOAD)
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{
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tmp = (phdr.p_vaddr + phdr.p_memsz + page_mask) & ~page_mask;
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if (fmap->elf_size < tmp) fmap->elf_size = tmp;
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if (phdr.p_vaddr < fmap->elf_start) fmap->elf_start = phdr.p_vaddr;
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}
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}
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/* if non relocatable ELF, then remove fixed address from computation
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* otherwise, all addresses are zero based and start has no effect
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*/
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fmap->elf_size -= fmap->elf_start;
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return TRUE;
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}
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/******************************************************************
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* elf_unmap_file
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*
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2005-03-23 14:15:18 +01:00
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* Unmaps an ELF file from memory (previously mapped with elf_map_file)
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2005-03-01 11:39:49 +01:00
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*/
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static void elf_unmap_file(struct elf_file_map* fmap)
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{
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if (fmap->fd != -1)
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{
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int i;
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for (i = 0; i < fmap->elfhdr.e_shnum; i++)
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{
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elf_unmap_section(fmap, i);
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}
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HeapFree(GetProcessHeap(), 0, fmap->sect);
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close(fmap->fd);
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}
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}
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2004-04-06 00:21:27 +02:00
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/******************************************************************
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2004-05-18 23:29:09 +02:00
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* elf_hash_symtab
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2004-04-06 00:21:27 +02:00
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*
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2004-05-18 23:29:09 +02:00
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* creating an internal hash table to ease use ELF symtab information lookup
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2004-04-06 00:21:27 +02:00
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*/
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2004-05-18 23:29:09 +02:00
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static void elf_hash_symtab(const struct module* module, struct pool* pool,
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2005-03-01 11:39:49 +01:00
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struct hash_table* ht_symtab, struct elf_file_map* fmap,
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int symtab_idx, struct thunk_area* thunks)
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2004-04-06 00:21:27 +02:00
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{
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2004-05-18 23:29:09 +02:00
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int i, j, nsym;
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2004-04-06 00:21:27 +02:00
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const char* strp;
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const char* symname;
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2004-05-18 23:29:09 +02:00
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const char* filename = NULL;
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2004-07-04 02:10:54 +02:00
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const char* ptr;
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2004-04-06 00:21:27 +02:00
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const Elf32_Sym* symp;
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2004-05-18 23:29:09 +02:00
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struct symtab_elt* ste;
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2004-04-06 00:21:27 +02:00
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2005-03-01 11:39:49 +01:00
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symp = (const Elf32_Sym*)elf_map_section(fmap, symtab_idx);
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strp = elf_map_section(fmap, fmap->sect[symtab_idx].shdr.sh_link);
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if (symp == NO_MAP || strp == NO_MAP) return;
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nsym = fmap->sect[symtab_idx].shdr.sh_size / sizeof(*symp);
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2004-05-18 23:29:09 +02:00
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2005-03-01 11:39:49 +01:00
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for (j = 0; thunks[j].symname; j++)
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2004-05-18 23:29:09 +02:00
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thunks[j].rva_start = thunks[j].rva_end = 0;
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2004-04-06 00:21:27 +02:00
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for (i = 0; i < nsym; i++, symp++)
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{
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/* Ignore certain types of entries which really aren't of that much
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* interest.
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*/
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2005-03-01 11:39:49 +01:00
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if ((ELF32_ST_TYPE(symp->st_info) != STT_FILE &&
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ELF32_ST_TYPE(symp->st_info) != STT_OBJECT &&
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ELF32_ST_TYPE(symp->st_info) != STT_FUNC) ||
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symp->st_shndx == SHN_UNDEF)
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2004-04-06 00:21:27 +02:00
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{
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continue;
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}
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symname = strp + symp->st_name;
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if (ELF32_ST_TYPE(symp->st_info) == STT_FILE)
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{
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2004-05-18 23:29:09 +02:00
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filename = symname;
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2004-04-06 00:21:27 +02:00
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continue;
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}
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2005-03-01 11:39:49 +01:00
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for (j = 0; thunks[j].symname; j++)
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2004-05-18 23:29:09 +02:00
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{
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if (!strcmp(symname, thunks[j].symname))
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{
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thunks[j].rva_start = symp->st_value;
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thunks[j].rva_end = symp->st_value + symp->st_size;
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break;
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}
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}
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2005-03-01 11:39:49 +01:00
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if (thunks[j].symname) continue;
|
2004-07-04 02:10:54 +02:00
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2004-11-08 21:26:22 +01:00
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/* FIXME: we don't need to handle them (GCC internals)
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* Moreover, they screw up our symbol lookup :-/
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*/
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if (symname[0] == '.' && symname[1] == 'L' && isdigit(symname[2]))
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continue;
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|
2004-05-18 23:29:09 +02:00
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ste = pool_alloc(pool, sizeof(*ste));
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2005-03-01 11:39:49 +01:00
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ste->ht_elt.name = symname;
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/* GCC emits, in some cases, a .<digit>+ suffix.
|
2004-07-04 02:10:54 +02:00
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|
* This is used for static variable inside functions, so
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* that we can have several such variables with same name in
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* the same compilation unit
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* We simply ignore that suffix when present (we also get rid
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* of it in stabs parsing)
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*/
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ptr = symname + strlen(symname) - 1;
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|
if (isdigit(*ptr))
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{
|
2005-03-01 11:39:49 +01:00
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|
|
while (isdigit(*ptr) && ptr >= symname) ptr--;
|
2004-07-04 02:10:54 +02:00
|
|
|
if (ptr > symname && *ptr == '.')
|
|
|
|
{
|
|
|
|
char* n = pool_alloc(pool, ptr - symname + 1);
|
|
|
|
memcpy(n, symname, ptr - symname + 1);
|
|
|
|
n[ptr - symname] = '\0';
|
|
|
|
ste->ht_elt.name = n;
|
|
|
|
}
|
|
|
|
}
|
2004-05-18 23:29:09 +02:00
|
|
|
ste->symp = symp;
|
|
|
|
ste->filename = filename;
|
|
|
|
ste->used = 0;
|
|
|
|
hash_table_add(ht_symtab, &ste->ht_elt);
|
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
/* as we added in the ht_symtab pointers to the symbols themselves,
|
|
|
|
* we cannot unmap yet the sections, it will be done when we're over
|
|
|
|
* with this ELF file
|
|
|
|
*/
|
2004-05-18 23:29:09 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_lookup_symtab
|
|
|
|
*
|
|
|
|
* lookup a symbol by name in our internal hash table for the symtab
|
|
|
|
*/
|
|
|
|
static const Elf32_Sym* elf_lookup_symtab(const struct module* module,
|
|
|
|
const struct hash_table* ht_symtab,
|
|
|
|
const char* name, struct symt* compiland)
|
|
|
|
{
|
|
|
|
struct symtab_elt* weak_result = NULL; /* without compiland name */
|
|
|
|
struct symtab_elt* result = NULL;
|
|
|
|
struct hash_table_iter hti;
|
|
|
|
struct symtab_elt* ste;
|
|
|
|
const char* compiland_name;
|
|
|
|
const char* compiland_basename;
|
|
|
|
const char* base;
|
|
|
|
|
|
|
|
/* we need weak match up (at least) when symbols of same name,
|
|
|
|
* defined several times in different compilation units,
|
|
|
|
* are merged in a single one (hence a different filename for c.u.)
|
|
|
|
*/
|
|
|
|
if (compiland)
|
|
|
|
{
|
|
|
|
compiland_name = source_get(module,
|
|
|
|
((struct symt_compiland*)compiland)->source);
|
|
|
|
compiland_basename = strrchr(compiland_name, '/');
|
|
|
|
if (!compiland_basename++) compiland_basename = compiland_name;
|
|
|
|
}
|
|
|
|
else compiland_name = compiland_basename = NULL;
|
|
|
|
|
|
|
|
hash_table_iter_init(ht_symtab, &hti, name);
|
|
|
|
while ((ste = hash_table_iter_up(&hti)))
|
|
|
|
{
|
|
|
|
if (ste->used || strcmp(ste->ht_elt.name, name)) continue;
|
|
|
|
|
|
|
|
weak_result = ste;
|
|
|
|
if ((ste->filename && !compiland_name) || (!ste->filename && compiland_name))
|
|
|
|
continue;
|
|
|
|
if (ste->filename && compiland_name)
|
|
|
|
{
|
|
|
|
if (strcmp(ste->filename, compiland_name))
|
|
|
|
{
|
|
|
|
base = strrchr(ste->filename, '/');
|
|
|
|
if (!base++) base = ste->filename;
|
|
|
|
if (strcmp(base, compiland_basename)) continue;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (result)
|
|
|
|
{
|
|
|
|
FIXME("Already found symbol %s (%s) in symtab %s @%08x and %s @%08x\n",
|
|
|
|
name, compiland_name, result->filename, result->symp->st_value,
|
|
|
|
ste->filename, ste->symp->st_value);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
result = ste;
|
|
|
|
ste->used = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!result && !(result = weak_result))
|
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
FIXME("Couldn't find symbol %s!%s in symtab\n",
|
2004-05-18 23:29:09 +02:00
|
|
|
module->module.ModuleName, name);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
return result->symp;
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_finish_stabs_info
|
|
|
|
*
|
|
|
|
* - get any relevant information (address & size) from the bits we got from the
|
|
|
|
* stabs debugging information
|
|
|
|
*/
|
|
|
|
static void elf_finish_stabs_info(struct module* module, struct hash_table* symtab)
|
|
|
|
{
|
|
|
|
struct hash_table_iter hti;
|
|
|
|
void* ptr;
|
|
|
|
struct symt_ht* sym;
|
|
|
|
const Elf32_Sym* symp;
|
|
|
|
|
|
|
|
hash_table_iter_init(&module->ht_symbols, &hti, NULL);
|
|
|
|
while ((ptr = hash_table_iter_up(&hti)))
|
|
|
|
{
|
|
|
|
sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
|
|
|
|
switch (sym->symt.tag)
|
|
|
|
{
|
|
|
|
case SymTagFunction:
|
2004-05-24 21:08:19 +02:00
|
|
|
if (((struct symt_function*)sym)->address != module->elf_info->elf_addr &&
|
|
|
|
((struct symt_function*)sym)->size)
|
|
|
|
{
|
2004-05-18 23:29:09 +02:00
|
|
|
break;
|
2004-05-24 21:08:19 +02:00
|
|
|
}
|
2004-05-18 23:29:09 +02:00
|
|
|
symp = elf_lookup_symtab(module, symtab, sym->hash_elt.name,
|
|
|
|
((struct symt_function*)sym)->container);
|
|
|
|
if (symp)
|
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
if (((struct symt_function*)sym)->address != module->elf_info->elf_addr &&
|
|
|
|
((struct symt_function*)sym)->address != module->elf_info->elf_addr + symp->st_value)
|
|
|
|
FIXME("Changing address for %p/%s!%s from %08lx to %08lx\n",
|
|
|
|
sym, module->module.ModuleName, sym->hash_elt.name,
|
|
|
|
((struct symt_function*)sym)->address, module->elf_info->elf_addr + symp->st_value);
|
|
|
|
if (((struct symt_function*)sym)->size && ((struct symt_function*)sym)->size != symp->st_size)
|
|
|
|
FIXME("Changing size for %p/%s!%s from %08lx to %08x\n",
|
|
|
|
sym, module->module.ModuleName, sym->hash_elt.name,
|
|
|
|
((struct symt_function*)sym)->size, symp->st_size);
|
|
|
|
|
2004-05-18 23:29:09 +02:00
|
|
|
((struct symt_function*)sym)->address = module->elf_info->elf_addr +
|
|
|
|
symp->st_value;
|
|
|
|
((struct symt_function*)sym)->size = symp->st_size;
|
2005-03-01 11:39:49 +01:00
|
|
|
} else FIXME("Couldn't find %s!%s\n", module->module.ModuleName, sym->hash_elt.name);
|
2004-05-18 23:29:09 +02:00
|
|
|
break;
|
|
|
|
case SymTagData:
|
|
|
|
switch (((struct symt_data*)sym)->kind)
|
|
|
|
{
|
|
|
|
case DataIsGlobal:
|
|
|
|
case DataIsFileStatic:
|
|
|
|
if (((struct symt_data*)sym)->u.address != module->elf_info->elf_addr)
|
|
|
|
break;
|
|
|
|
symp = elf_lookup_symtab(module, symtab, sym->hash_elt.name,
|
|
|
|
((struct symt_data*)sym)->container);
|
|
|
|
if (symp)
|
2004-05-24 21:08:19 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
if (((struct symt_data*)sym)->u.address != module->elf_info->elf_addr &&
|
|
|
|
((struct symt_data*)sym)->u.address != module->elf_info->elf_addr + symp->st_value)
|
|
|
|
FIXME("Changing address for %p/%s!%s from %08lx to %08lx\n",
|
|
|
|
sym, module->module.ModuleName, sym->hash_elt.name,
|
|
|
|
((struct symt_function*)sym)->address, module->elf_info->elf_addr + symp->st_value);
|
2004-05-18 23:29:09 +02:00
|
|
|
((struct symt_data*)sym)->u.address = module->elf_info->elf_addr +
|
|
|
|
symp->st_value;
|
2004-05-24 21:08:19 +02:00
|
|
|
((struct symt_data*)sym)->kind = (ELF32_ST_BIND(symp->st_info) == STB_LOCAL) ?
|
|
|
|
DataIsFileStatic : DataIsGlobal;
|
2005-03-01 11:39:49 +01:00
|
|
|
} else FIXME("Couldn't find %s!%s\n", module->module.ModuleName, sym->hash_elt.name);
|
2004-05-18 23:29:09 +02:00
|
|
|
break;
|
|
|
|
default:;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
FIXME("Unsupported tag %u\n", sym->symt.tag);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2004-05-24 21:08:19 +02:00
|
|
|
/* since we may have changed some addresses & sizes, mark the module to be resorted */
|
|
|
|
module->sortlist_valid = FALSE;
|
2004-05-18 23:29:09 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_load_wine_thunks
|
|
|
|
*
|
|
|
|
* creating the thunk objects for a wine native DLL
|
|
|
|
*/
|
|
|
|
static int elf_new_wine_thunks(struct module* module, struct hash_table* ht_symtab,
|
|
|
|
unsigned num_areas, struct thunk_area* thunks)
|
|
|
|
{
|
|
|
|
int j;
|
|
|
|
struct symt_compiland* compiland = NULL;
|
|
|
|
const char* compiland_name = NULL;
|
|
|
|
struct hash_table_iter hti;
|
|
|
|
struct symtab_elt* ste;
|
|
|
|
DWORD addr;
|
2004-05-24 21:08:19 +02:00
|
|
|
int idx;
|
2004-05-18 23:29:09 +02:00
|
|
|
|
|
|
|
hash_table_iter_init(ht_symtab, &hti, NULL);
|
|
|
|
while ((ste = hash_table_iter_up(&hti)))
|
|
|
|
{
|
|
|
|
if (ste->used) continue;
|
|
|
|
|
|
|
|
/* FIXME: this is not a good idea anyway... we are creating several
|
|
|
|
* compiland objects for a same compilation unit
|
|
|
|
* We try to cache the last compiland used, but it's not enough
|
|
|
|
* (we should here only create compilands if they are not yet
|
|
|
|
* defined)
|
|
|
|
*/
|
|
|
|
if (!compiland_name || compiland_name != ste->filename)
|
|
|
|
compiland = symt_new_compiland(module,
|
|
|
|
compiland_name = ste->filename);
|
|
|
|
|
|
|
|
addr = module->elf_info->elf_addr + ste->symp->st_value;
|
|
|
|
|
|
|
|
for (j = 0; j < num_areas; j++)
|
|
|
|
{
|
|
|
|
if (ste->symp->st_value >= thunks[j].rva_start &&
|
|
|
|
ste->symp->st_value < thunks[j].rva_end)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (j < num_areas) /* thunk found */
|
|
|
|
{
|
|
|
|
symt_new_thunk(module, compiland, ste->ht_elt.name, thunks[j].ordinal,
|
|
|
|
addr, ste->symp->st_size);
|
|
|
|
}
|
2004-05-24 21:08:19 +02:00
|
|
|
else
|
2004-05-18 23:29:09 +02:00
|
|
|
{
|
2004-11-22 19:30:10 +01:00
|
|
|
ULONG64 ref_addr;
|
2004-05-24 21:08:19 +02:00
|
|
|
|
|
|
|
idx = symt_find_nearest(module, addr);
|
|
|
|
if (idx != -1)
|
|
|
|
symt_get_info(&module->addr_sorttab[idx]->symt,
|
|
|
|
TI_GET_ADDRESS, &ref_addr);
|
|
|
|
if (idx == -1 || addr != ref_addr)
|
2004-05-18 23:29:09 +02:00
|
|
|
{
|
2004-05-24 21:08:19 +02:00
|
|
|
/* creating public symbols for all the ELF symbols which haven't been
|
|
|
|
* used yet (ie we have no debug information on them)
|
|
|
|
* That's the case, for example, of the .spec.c files
|
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
switch (ELF32_ST_TYPE(ste->symp->st_info))
|
2004-05-24 21:08:19 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
case STT_FUNC:
|
2004-05-24 21:08:19 +02:00
|
|
|
symt_new_function(module, compiland, ste->ht_elt.name,
|
|
|
|
addr, ste->symp->st_size, NULL);
|
2005-03-01 11:39:49 +01:00
|
|
|
break;
|
|
|
|
case STT_OBJECT:
|
2004-05-24 21:08:19 +02:00
|
|
|
symt_new_global_variable(module, compiland, ste->ht_elt.name,
|
|
|
|
ELF32_ST_BIND(ste->symp->st_info) == STB_LOCAL,
|
|
|
|
addr, ste->symp->st_size, NULL);
|
2005-03-01 11:39:49 +01:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
FIXME("Shouldn't happen\n");
|
|
|
|
break;
|
2004-05-24 21:08:19 +02:00
|
|
|
}
|
|
|
|
/* FIXME: this is a hack !!!
|
|
|
|
* we are adding new symbols, but as we're parsing a symbol table
|
|
|
|
* (hopefully without duplicate symbols) we delay rebuilding the sorted
|
|
|
|
* module table until we're done with the symbol table
|
|
|
|
* Otherwise, as we intertwine symbols's add and lookup, performance
|
|
|
|
* is rather bad
|
|
|
|
*/
|
|
|
|
module->sortlist_valid = TRUE;
|
2004-05-18 23:29:09 +02:00
|
|
|
}
|
2004-05-24 21:08:19 +02:00
|
|
|
else if (strcmp(ste->ht_elt.name, module->addr_sorttab[idx]->hash_elt.name))
|
2004-05-18 23:29:09 +02:00
|
|
|
{
|
2005-11-17 12:51:53 +01:00
|
|
|
ULONG64 xaddr = 0, xsize = 0;
|
|
|
|
DWORD kind = -1;
|
2004-05-24 21:08:19 +02:00
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
symt_get_info(&module->addr_sorttab[idx]->symt, TI_GET_ADDRESS, &xaddr);
|
|
|
|
symt_get_info(&module->addr_sorttab[idx]->symt, TI_GET_LENGTH, &xsize);
|
|
|
|
symt_get_info(&module->addr_sorttab[idx]->symt, TI_GET_DATAKIND, &kind);
|
2004-05-24 21:08:19 +02:00
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
/* If none of symbols has a correct size, we consider they are both markers
|
2004-07-04 02:10:54 +02:00
|
|
|
* Hence, we can silence this warning
|
2004-08-30 21:31:13 +02:00
|
|
|
* Also, we check that we don't have two symbols, one local, the other
|
|
|
|
* global which is legal
|
2004-07-04 02:10:54 +02:00
|
|
|
*/
|
2004-08-30 21:31:13 +02:00
|
|
|
if ((xsize || ste->symp->st_size) &&
|
|
|
|
(kind == (ELF32_ST_BIND(ste->symp->st_info) == STB_LOCAL) ? DataIsFileStatic : DataIsGlobal))
|
2005-11-17 12:51:53 +01:00
|
|
|
FIXME("Duplicate in %s: %s<%08lx-%08x> %s<%s-%s>\n",
|
2004-07-04 02:10:54 +02:00
|
|
|
module->module.ModuleName,
|
|
|
|
ste->ht_elt.name, addr, ste->symp->st_size,
|
2004-11-22 19:30:10 +01:00
|
|
|
module->addr_sorttab[idx]->hash_elt.name,
|
2005-11-17 12:51:53 +01:00
|
|
|
wine_dbgstr_longlong(xaddr), wine_dbgstr_longlong(xsize));
|
2004-05-18 23:29:09 +02:00
|
|
|
}
|
|
|
|
}
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
2004-05-24 21:08:19 +02:00
|
|
|
/* see comment above */
|
|
|
|
module->sortlist_valid = FALSE;
|
2004-05-18 23:29:09 +02:00
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_new_public_symbols
|
|
|
|
*
|
|
|
|
* Creates a set of public symbols from an ELF symtab
|
|
|
|
*/
|
2004-08-30 21:31:13 +02:00
|
|
|
static int elf_new_public_symbols(struct module* module, struct hash_table* symtab)
|
2004-05-18 23:29:09 +02:00
|
|
|
{
|
|
|
|
struct symt_compiland* compiland = NULL;
|
|
|
|
const char* compiland_name = NULL;
|
|
|
|
struct hash_table_iter hti;
|
|
|
|
struct symtab_elt* ste;
|
|
|
|
|
2004-07-04 02:10:54 +02:00
|
|
|
if (dbghelp_options & SYMOPT_NO_PUBLICS) return TRUE;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
/* FIXME: we're missing the ELF entry point here */
|
|
|
|
|
2004-05-18 23:29:09 +02:00
|
|
|
hash_table_iter_init(symtab, &hti, NULL);
|
|
|
|
while ((ste = hash_table_iter_up(&hti)))
|
|
|
|
{
|
|
|
|
/* FIXME: this is not a good idea anyway... we are creating several
|
|
|
|
* compiland objects for a same compilation unit
|
|
|
|
* We try to cache the last compiland used, but it's not enough
|
|
|
|
* (we should here only create compilands if they are not yet
|
|
|
|
* defined)
|
|
|
|
*/
|
|
|
|
if (!compiland_name || compiland_name != ste->filename)
|
|
|
|
compiland = symt_new_compiland(module,
|
|
|
|
compiland_name = ste->filename);
|
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
symt_new_public(module, compiland, ste->ht_elt.name,
|
|
|
|
module->elf_info->elf_addr + ste->symp->st_value,
|
|
|
|
ste->symp->st_size, TRUE /* FIXME */,
|
|
|
|
ELF32_ST_TYPE(ste->symp->st_info) == STT_FUNC);
|
2004-05-18 23:29:09 +02:00
|
|
|
}
|
2004-04-06 00:21:27 +02:00
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2004-10-04 22:41:22 +02:00
|
|
|
/* Copyright (C) 1986 Gary S. Brown. Modified by Robert Shearman. You may use
|
|
|
|
the following calc_crc32 code or tables extracted from it, as desired without
|
|
|
|
restriction. */
|
|
|
|
|
|
|
|
/**********************************************************************\
|
|
|
|
|* Demonstration program to compute the 32-bit CRC used as the frame *|
|
|
|
|
|* check sequence in ADCCP (ANSI X3.66, also known as FIPS PUB 71 *|
|
|
|
|
|* and FED-STD-1003, the U.S. versions of CCITT's X.25 link-level *|
|
|
|
|
|* protocol). The 32-bit FCS was added via the Federal Register, *|
|
|
|
|
|* 1 June 1982, p.23798. I presume but don't know for certain that *|
|
|
|
|
|* this polynomial is or will be included in CCITT V.41, which *|
|
|
|
|
|* defines the 16-bit CRC (often called CRC-CCITT) polynomial. FIPS *|
|
|
|
|
|* PUB 78 says that the 32-bit FCS reduces otherwise undetected *|
|
|
|
|
|* errors by a factor of 10^-5 over 16-bit FCS. *|
|
|
|
|
\**********************************************************************/
|
|
|
|
|
|
|
|
/* First, the polynomial itself and its table of feedback terms. The */
|
|
|
|
/* polynomial is */
|
|
|
|
/* X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0 */
|
|
|
|
/* Note that we take it "backwards" and put the highest-order term in */
|
|
|
|
/* the lowest-order bit. The X^32 term is "implied"; the LSB is the */
|
|
|
|
/* X^31 term, etc. The X^0 term (usually shown as "+1") results in */
|
|
|
|
/* the MSB being 1. */
|
|
|
|
|
|
|
|
/* Note that the usual hardware shift register implementation, which */
|
|
|
|
/* is what we're using (we're merely optimizing it by doing eight-bit */
|
|
|
|
/* chunks at a time) shifts bits into the lowest-order term. In our */
|
|
|
|
/* implementation, that means shifting towards the right. Why do we */
|
|
|
|
/* do it this way? Because the calculated CRC must be transmitted in */
|
|
|
|
/* order from highest-order term to lowest-order term. UARTs transmit */
|
|
|
|
/* characters in order from LSB to MSB. By storing the CRC this way, */
|
|
|
|
/* we hand it to the UART in the order low-byte to high-byte; the UART */
|
|
|
|
/* sends each low-bit to hight-bit; and the result is transmission bit */
|
|
|
|
/* by bit from highest- to lowest-order term without requiring any bit */
|
|
|
|
/* shuffling on our part. Reception works similarly. */
|
|
|
|
|
|
|
|
/* The feedback terms table consists of 256, 32-bit entries. Notes: */
|
|
|
|
/* */
|
|
|
|
/* 1. The table can be generated at runtime if desired; code to do so */
|
|
|
|
/* is shown later. It might not be obvious, but the feedback */
|
|
|
|
/* terms simply represent the results of eight shift/xor opera- */
|
|
|
|
/* tions for all combinations of data and CRC register values. */
|
|
|
|
/* */
|
|
|
|
/* 2. The CRC accumulation logic is the same for all CRC polynomials, */
|
|
|
|
/* be they sixteen or thirty-two bits wide. You simply choose the */
|
|
|
|
/* appropriate table. Alternatively, because the table can be */
|
|
|
|
/* generated at runtime, you can start by generating the table for */
|
|
|
|
/* the polynomial in question and use exactly the same "updcrc", */
|
|
|
|
/* if your application needn't simultaneously handle two CRC */
|
|
|
|
/* polynomials. (Note, however, that XMODEM is strange.) */
|
|
|
|
/* */
|
|
|
|
/* 3. For 16-bit CRCs, the table entries need be only 16 bits wide; */
|
|
|
|
/* of course, 32-bit entries work OK if the high 16 bits are zero. */
|
|
|
|
/* */
|
|
|
|
/* 4. The values must be right-shifted by eight bits by the "updcrc" */
|
|
|
|
/* logic; the shift must be unsigned (bring in zeroes). On some */
|
|
|
|
/* hardware you could probably optimize the shift in assembler by */
|
|
|
|
/* using byte-swap instructions. */
|
|
|
|
|
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
static DWORD calc_crc32(struct elf_file_map* fmap)
|
2004-10-04 22:41:22 +02:00
|
|
|
{
|
|
|
|
#define UPDC32(octet,crc) (crc_32_tab[((crc) ^ (octet)) & 0xff] ^ ((crc) >> 8))
|
|
|
|
static const DWORD crc_32_tab[] =
|
|
|
|
{ /* CRC polynomial 0xedb88320 */
|
|
|
|
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
|
|
|
|
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
|
|
|
|
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
|
|
|
|
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
|
|
|
|
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
|
|
|
|
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
|
|
|
|
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
|
|
|
|
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
|
|
|
|
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
|
|
|
|
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
|
|
|
|
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
|
|
|
|
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
|
|
|
|
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
|
|
|
|
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
|
|
|
|
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
|
|
|
|
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
|
|
|
|
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
|
|
|
|
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
|
|
|
|
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
|
|
|
|
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
|
|
|
|
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
|
|
|
|
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
|
|
|
|
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
|
|
|
|
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
|
|
|
|
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
|
|
|
|
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
|
|
|
|
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
|
|
|
|
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
|
|
|
|
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
|
|
|
|
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
|
|
|
|
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
|
|
|
|
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
|
|
|
|
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
|
|
|
|
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
|
|
|
|
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
|
|
|
|
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
|
|
|
|
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
|
|
|
|
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
|
|
|
|
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
|
|
|
|
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
|
|
|
|
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
|
|
|
|
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
|
|
|
|
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
|
|
|
|
};
|
2005-03-01 11:39:49 +01:00
|
|
|
int i, r;
|
|
|
|
unsigned char buffer[256];
|
|
|
|
DWORD crc = ~0;
|
|
|
|
|
|
|
|
lseek(fmap->fd, 0, SEEK_SET);
|
|
|
|
while ((r = read(fmap->fd, buffer, sizeof(buffer))) > 0)
|
|
|
|
{
|
|
|
|
for (i = 0; i < r; i++) crc = UPDC32(buffer[i], crc);
|
|
|
|
}
|
2004-10-04 22:41:22 +02:00
|
|
|
return ~crc;
|
|
|
|
#undef UPDC32
|
|
|
|
}
|
|
|
|
|
2004-04-06 00:21:27 +02:00
|
|
|
/******************************************************************
|
2005-03-01 11:39:49 +01:00
|
|
|
* elf_load_debug_info_from_map
|
2004-04-06 00:21:27 +02:00
|
|
|
*
|
2005-03-01 11:39:49 +01:00
|
|
|
* Loads the symbolic information from ELF module which mapping is described
|
|
|
|
* in fmap
|
2004-04-06 00:21:27 +02:00
|
|
|
* the module has been loaded at 'load_offset' address, so symbols' address
|
2005-03-01 11:39:49 +01:00
|
|
|
* relocation is performed.
|
|
|
|
* CRC is checked if fmap->with_crc is TRUE
|
2004-04-06 00:21:27 +02:00
|
|
|
* returns
|
|
|
|
* 0 if the file doesn't contain symbolic info (or this info cannot be
|
|
|
|
* read or parsed)
|
|
|
|
* 1 on success
|
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
static BOOL elf_load_debug_info_from_map(struct module* module,
|
|
|
|
struct elf_file_map* fmap,
|
|
|
|
struct pool* pool,
|
|
|
|
struct hash_table* ht_symtab)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-08-30 21:31:13 +02:00
|
|
|
BOOL ret = FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
const char* shstrtab;
|
|
|
|
int i;
|
2005-05-17 16:32:55 +02:00
|
|
|
int symtab_sect, dynsym_sect, stab_sect, stabstr_sect;
|
|
|
|
int debug_sect, debug_str_sect, debug_abbrev_sect, debug_line_sect;
|
|
|
|
int debuglink_sect;
|
2004-05-18 23:29:09 +02:00
|
|
|
struct thunk_area thunks[] =
|
|
|
|
{
|
|
|
|
{"__wine_spec_import_thunks", THUNK_ORDINAL_NOTYPE, 0, 0}, /* inter DLL calls */
|
|
|
|
{"__wine_spec_delayed_import_loaders", THUNK_ORDINAL_LOAD, 0, 0}, /* delayed inter DLL calls */
|
|
|
|
{"__wine_spec_delayed_import_thunks", THUNK_ORDINAL_LOAD, 0, 0}, /* delayed inter DLL calls */
|
|
|
|
{"__wine_delay_load", THUNK_ORDINAL_LOAD, 0, 0}, /* delayed inter DLL calls */
|
|
|
|
{"__wine_spec_thunk_text_16", -16, 0, 0}, /* 16 => 32 thunks */
|
|
|
|
{"__wine_spec_thunk_text_32", -32, 0, 0}, /* 32 => 16 thunks */
|
2005-03-01 11:39:49 +01:00
|
|
|
{NULL, 0, 0, 0}
|
2004-05-18 23:29:09 +02:00
|
|
|
};
|
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
if (fmap->with_crc && (fmap->crc != calc_crc32(fmap)))
|
2004-10-04 22:41:22 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
ERR("Bad CRC for module %s (got %08lx while expecting %08lx)\n",
|
|
|
|
module->module.ImageName, calc_crc32(fmap), fmap->crc);
|
2004-10-04 22:41:22 +02:00
|
|
|
/* we don't tolerate mis-matched files */
|
2005-03-01 11:39:49 +01:00
|
|
|
return FALSE;
|
2004-10-04 22:41:22 +02:00
|
|
|
}
|
|
|
|
|
2004-04-06 00:21:27 +02:00
|
|
|
/*
|
|
|
|
* Next, we need to find a few of the internal ELF headers within
|
|
|
|
* this thing. We need the main executable header, and the section
|
|
|
|
* table.
|
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
shstrtab = elf_map_section(fmap, fmap->elfhdr.e_shstrndx);
|
|
|
|
if (shstrtab == NO_MAP) return FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2005-05-17 16:32:55 +02:00
|
|
|
symtab_sect = dynsym_sect = stab_sect = stabstr_sect = -1;
|
|
|
|
debug_sect = debug_str_sect = debug_abbrev_sect = debug_line_sect = -1;
|
|
|
|
debuglink_sect = -1;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
for (i = 0; i < fmap->elfhdr.e_shnum; i++)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
if (strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".stab") == 0)
|
2004-05-18 23:29:09 +02:00
|
|
|
stab_sect = i;
|
2005-03-01 11:39:49 +01:00
|
|
|
if (strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".stabstr") == 0)
|
2004-05-18 23:29:09 +02:00
|
|
|
stabstr_sect = i;
|
2005-03-01 11:39:49 +01:00
|
|
|
if (strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".debug_info") == 0)
|
2004-05-18 23:29:09 +02:00
|
|
|
debug_sect = i;
|
2005-05-17 16:32:55 +02:00
|
|
|
if (strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".debug_str") == 0)
|
|
|
|
debug_str_sect = i;
|
|
|
|
if (strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".debug_abbrev") == 0)
|
|
|
|
debug_abbrev_sect = i;
|
|
|
|
if (strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".debug_line") == 0)
|
|
|
|
debug_line_sect = i;
|
2005-03-01 11:39:49 +01:00
|
|
|
if (strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".gnu_debuglink") == 0)
|
2004-10-04 22:41:22 +02:00
|
|
|
debuglink_sect = i;
|
2005-03-01 11:39:49 +01:00
|
|
|
if ((strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".symtab") == 0) &&
|
|
|
|
(fmap->sect[i].shdr.sh_type == SHT_SYMTAB))
|
2004-05-18 23:29:09 +02:00
|
|
|
symtab_sect = i;
|
2005-03-01 11:39:49 +01:00
|
|
|
if ((strcmp(shstrtab + fmap->sect[i].shdr.sh_name, ".dynsym") == 0) &&
|
|
|
|
(fmap->sect[i].shdr.sh_type == SHT_DYNSYM))
|
2004-05-18 23:29:09 +02:00
|
|
|
dynsym_sect = i;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
elf_unmap_section(fmap, fmap->elfhdr.e_shstrndx);
|
|
|
|
shstrtab = NULL;
|
2004-05-18 23:29:09 +02:00
|
|
|
|
|
|
|
if (symtab_sect == -1)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-05-18 23:29:09 +02:00
|
|
|
/* if we don't have a symtab but a dynsym, process the dynsym
|
|
|
|
* section instead. It'll contain less (relevant) information,
|
|
|
|
* but it'll be better than nothing
|
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
if (dynsym_sect == -1) return FALSE;
|
2004-05-18 23:29:09 +02:00
|
|
|
symtab_sect = dynsym_sect;
|
|
|
|
}
|
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
module->module.SymType = SymExport;
|
2004-05-18 23:29:09 +02:00
|
|
|
|
|
|
|
/* create a hash table for the symtab */
|
2005-03-01 11:39:49 +01:00
|
|
|
elf_hash_symtab(module, pool, ht_symtab, fmap, symtab_sect, thunks);
|
2004-05-18 23:29:09 +02:00
|
|
|
|
2004-07-04 02:10:54 +02:00
|
|
|
if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
|
2004-05-18 23:29:09 +02:00
|
|
|
{
|
2004-07-04 02:10:54 +02:00
|
|
|
if (stab_sect != -1 && stabstr_sect != -1)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
const char* stab;
|
|
|
|
const char* stabstr;
|
|
|
|
|
|
|
|
stab = elf_map_section(fmap, stab_sect);
|
|
|
|
stabstr = elf_map_section(fmap, stabstr_sect);
|
|
|
|
if (stab != NO_MAP && stabstr != NO_MAP)
|
|
|
|
{
|
|
|
|
/* OK, now just parse all of the stabs. */
|
|
|
|
ret = stabs_parse(module, module->elf_info->elf_addr,
|
|
|
|
stab, fmap->sect[stab_sect].shdr.sh_size,
|
|
|
|
stabstr, fmap->sect[stabstr_sect].shdr.sh_size);
|
|
|
|
}
|
|
|
|
elf_unmap_section(fmap, stab_sect);
|
|
|
|
elf_unmap_section(fmap, stabstr_sect);
|
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
if (!ret)
|
2004-07-04 02:10:54 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
WARN("Couldn't correctly read stabs\n");
|
|
|
|
return FALSE;
|
2004-07-04 02:10:54 +02:00
|
|
|
}
|
|
|
|
/* and fill in the missing information for stabs */
|
2004-10-04 22:41:22 +02:00
|
|
|
elf_finish_stabs_info(module, ht_symtab);
|
2004-07-04 02:10:54 +02:00
|
|
|
}
|
|
|
|
else if (debug_sect != -1)
|
|
|
|
{
|
|
|
|
/* Dwarf 2 debug information */
|
2005-09-02 16:47:36 +02:00
|
|
|
const BYTE* dw2_debug;
|
|
|
|
const BYTE* dw2_debug_abbrev;
|
|
|
|
const BYTE* dw2_debug_str;
|
2005-05-17 16:32:55 +02:00
|
|
|
|
|
|
|
FIXME("Alpha-support for Dwarf2 information for %s\n", module->module.ModuleName);
|
|
|
|
|
2005-09-02 16:47:36 +02:00
|
|
|
dw2_debug = (const BYTE*) elf_map_section(fmap, debug_sect);
|
|
|
|
dw2_debug_abbrev = (const BYTE*) elf_map_section(fmap, debug_abbrev_sect);
|
|
|
|
dw2_debug_str = (const BYTE*) elf_map_section(fmap, debug_str_sect);
|
2005-05-17 16:32:55 +02:00
|
|
|
if (dw2_debug != NO_MAP && NO_MAP != dw2_debug_abbrev && dw2_debug_str != NO_MAP)
|
|
|
|
{
|
|
|
|
/* OK, now just parse dwarf2 debug infos. */
|
|
|
|
ret = dwarf2_parse(module, module->elf_info->elf_addr,
|
|
|
|
dw2_debug, fmap->sect[debug_sect].shdr.sh_size,
|
|
|
|
dw2_debug_abbrev, fmap->sect[debug_abbrev_sect].shdr.sh_size,
|
|
|
|
dw2_debug_str, fmap->sect[debug_str_sect].shdr.sh_size);
|
|
|
|
}
|
|
|
|
elf_unmap_section(fmap, debug_sect);
|
|
|
|
elf_unmap_section(fmap, debug_abbrev_sect);
|
|
|
|
elf_unmap_section(fmap, debug_str_sect);
|
|
|
|
if (!ret)
|
|
|
|
{
|
|
|
|
WARN("Couldn't correctly read stabs\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
2004-10-04 22:41:22 +02:00
|
|
|
else if (debuglink_sect != -1)
|
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
const char* dbg_link;
|
|
|
|
struct elf_file_map fmap_link;
|
|
|
|
|
|
|
|
dbg_link = elf_map_section(fmap, debuglink_sect);
|
|
|
|
/* The content of a debug link section is:
|
2005-03-29 15:14:08 +02:00
|
|
|
* 1/ a NULL terminated string, containing the file name for the
|
|
|
|
* debug info
|
2005-03-01 11:39:49 +01:00
|
|
|
* 2/ padding on 4 byte boundary
|
|
|
|
* 3/ CRC of the linked ELF file
|
|
|
|
*/
|
|
|
|
if (dbg_link != NO_MAP && elf_map_file(dbg_link, &fmap_link))
|
|
|
|
{
|
|
|
|
fmap_link.crc = *(const DWORD*)(dbg_link + ((DWORD_PTR)(strlen(dbg_link) + 4) & ~3));
|
|
|
|
fmap_link.with_crc = 1;
|
2005-03-29 15:14:08 +02:00
|
|
|
ret = elf_load_debug_info_from_map(module, &fmap_link, pool,
|
|
|
|
ht_symtab);
|
2005-03-01 11:39:49 +01:00
|
|
|
if (!ret)
|
|
|
|
WARN("Couldn't load debug information from %s\n", dbg_link);
|
|
|
|
}
|
2005-03-29 15:14:08 +02:00
|
|
|
else
|
|
|
|
WARN("Couldn't load linked debug file for %s\n",
|
|
|
|
module->module.ModuleName);
|
2005-03-01 11:39:49 +01:00
|
|
|
elf_unmap_file(&fmap_link);
|
2004-10-04 22:41:22 +02:00
|
|
|
}
|
2004-05-18 23:29:09 +02:00
|
|
|
}
|
2004-05-24 21:08:19 +02:00
|
|
|
if (strstr(module->module.ModuleName, "<elf>") ||
|
|
|
|
!strcmp(module->module.ModuleName, "<wine-loader>"))
|
2004-05-18 23:29:09 +02:00
|
|
|
{
|
|
|
|
/* add the thunks for native libraries */
|
|
|
|
if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
|
2004-10-04 22:41:22 +02:00
|
|
|
elf_new_wine_thunks(module, ht_symtab,
|
2004-05-18 23:29:09 +02:00
|
|
|
sizeof(thunks) / sizeof(thunks[0]), thunks);
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
2004-08-30 21:31:13 +02:00
|
|
|
/* add all the public symbols from symtab */
|
2004-10-04 22:41:22 +02:00
|
|
|
if (elf_new_public_symbols(module, ht_symtab) && !ret) ret = TRUE;
|
2004-05-18 23:29:09 +02:00
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
return ret;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
2004-10-04 22:41:22 +02:00
|
|
|
/******************************************************************
|
|
|
|
* elf_load_debug_info
|
|
|
|
*
|
|
|
|
* Loads ELF debugging information from the module image file.
|
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
BOOL elf_load_debug_info(struct module* module, struct elf_file_map* fmap)
|
2004-10-04 22:41:22 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
BOOL ret = TRUE;
|
|
|
|
struct pool pool;
|
|
|
|
struct hash_table ht_symtab;
|
|
|
|
struct elf_file_map my_fmap;
|
|
|
|
|
|
|
|
if (module->type != DMT_ELF || !module->elf_info)
|
|
|
|
{
|
|
|
|
ERR("Bad elf module '%s'\n", module->module.LoadedImageName);
|
|
|
|
return FALSE;
|
|
|
|
}
|
2004-10-04 22:41:22 +02:00
|
|
|
|
|
|
|
pool_init(&pool, 65536);
|
|
|
|
hash_table_init(&pool, &ht_symtab, 256);
|
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
if (!fmap)
|
|
|
|
{
|
|
|
|
fmap = &my_fmap;
|
|
|
|
ret = elf_map_file(module->module.LoadedImageName, fmap);
|
|
|
|
}
|
|
|
|
if (ret)
|
|
|
|
ret = elf_load_debug_info_from_map(module, fmap, &pool, &ht_symtab);
|
2004-10-04 22:41:22 +02:00
|
|
|
|
|
|
|
pool_destroy(&pool);
|
2005-03-01 11:39:49 +01:00
|
|
|
if (fmap == &my_fmap) elf_unmap_file(fmap);
|
2004-10-04 22:41:22 +02:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2005-03-29 15:14:08 +02:00
|
|
|
/******************************************************************
|
|
|
|
* elf_fetch_file_info
|
|
|
|
*
|
|
|
|
* Gathers some more information for an ELF module from a given file
|
|
|
|
*/
|
|
|
|
BOOL elf_fetch_file_info(const char* name, DWORD* base,
|
|
|
|
DWORD* size, DWORD* checksum)
|
|
|
|
{
|
|
|
|
struct elf_file_map fmap;
|
|
|
|
if (!elf_map_file(name, &fmap)) return FALSE;
|
|
|
|
if (base) *base = fmap.elf_start;
|
|
|
|
*size = fmap.elf_size;
|
|
|
|
*checksum = calc_crc32(&fmap);
|
|
|
|
elf_unmap_file(&fmap);
|
|
|
|
return TRUE;
|
|
|
|
}
|
2004-10-04 22:41:22 +02:00
|
|
|
|
2004-04-06 00:21:27 +02:00
|
|
|
/******************************************************************
|
|
|
|
* is_dt_flag_valid
|
|
|
|
* returns true iff the section tag is valid
|
|
|
|
*/
|
|
|
|
static unsigned is_dt_flag_valid(unsigned d_tag)
|
|
|
|
{
|
|
|
|
#ifndef DT_PROCNUM
|
|
|
|
#define DT_PROCNUM 0
|
|
|
|
#endif
|
|
|
|
#ifndef DT_EXTRANUM
|
|
|
|
#define DT_EXTRANUM 0
|
|
|
|
#endif
|
|
|
|
return (d_tag >= 0 && d_tag < DT_NUM + DT_PROCNUM + DT_EXTRANUM)
|
|
|
|
#if defined(DT_LOOS) && defined(DT_HIOS)
|
|
|
|
|| (d_tag >= DT_LOOS && d_tag < DT_HIOS)
|
|
|
|
#endif
|
|
|
|
#if defined(DT_LOPROC) && defined(DT_HIPROC)
|
|
|
|
|| (d_tag >= DT_LOPROC && d_tag < DT_HIPROC)
|
|
|
|
#endif
|
|
|
|
;
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_load_file
|
|
|
|
*
|
|
|
|
* Loads the information for ELF module stored in 'filename'
|
|
|
|
* the module has been loaded at 'load_offset' address
|
|
|
|
* returns
|
|
|
|
* -1 if the file cannot be found/opened
|
|
|
|
* 0 if the file doesn't contain symbolic info (or this info cannot be
|
|
|
|
* read or parsed)
|
|
|
|
* 1 on success
|
|
|
|
*/
|
2004-08-30 21:31:13 +02:00
|
|
|
static BOOL elf_load_file(struct process* pcs, const char* filename,
|
|
|
|
unsigned long load_offset, struct elf_info* elf_info)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-08-30 21:31:13 +02:00
|
|
|
BOOL ret = FALSE;
|
2005-03-01 11:39:49 +01:00
|
|
|
struct elf_file_map fmap;
|
2004-04-06 00:21:27 +02:00
|
|
|
int i;
|
|
|
|
|
|
|
|
TRACE("Processing elf file '%s' at %08lx\n", filename, load_offset);
|
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
if (!elf_map_file(filename, &fmap)) goto leave;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
|
|
|
/* Next, we need to find a few of the internal ELF headers within
|
|
|
|
* this thing. We need the main executable header, and the section
|
|
|
|
* table.
|
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
if (!fmap.elf_start && !load_offset)
|
2004-08-30 21:31:13 +02:00
|
|
|
ERR("Relocatable ELF %s, but no load address. Loading at 0x0000000\n",
|
|
|
|
filename);
|
2005-03-01 11:39:49 +01:00
|
|
|
if (fmap.elf_start && load_offset)
|
2004-08-30 21:31:13 +02:00
|
|
|
{
|
|
|
|
WARN("Non-relocatable ELF %s, but load address of 0x%08lx supplied. "
|
|
|
|
"Assuming load address is corrupt\n", filename, load_offset);
|
|
|
|
load_offset = 0;
|
|
|
|
}
|
|
|
|
|
2004-04-06 00:21:27 +02:00
|
|
|
if (elf_info->flags & ELF_INFO_DEBUG_HEADER)
|
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
const char* shstrtab = elf_map_section(&fmap, fmap.elfhdr.e_shstrndx);
|
|
|
|
if (shstrtab == NO_MAP) goto leave;
|
|
|
|
for (i = 0; i < fmap.elfhdr.e_shnum; i++)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
if (strcmp(shstrtab + fmap.sect[i].shdr.sh_name, ".dynamic") == 0 &&
|
|
|
|
fmap.sect[i].shdr.sh_type == SHT_DYNAMIC)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
|
|
|
Elf32_Dyn dyn;
|
2005-03-01 11:39:49 +01:00
|
|
|
char* ptr = (char*)fmap.sect[i].shdr.sh_addr;
|
2004-04-06 00:21:27 +02:00
|
|
|
unsigned long len;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
if (!ReadProcessMemory(pcs->handle, ptr, &dyn, sizeof(dyn), &len) ||
|
|
|
|
len != sizeof(dyn) || !is_dt_flag_valid(dyn.d_tag))
|
|
|
|
dyn.d_tag = DT_NULL;
|
|
|
|
ptr += sizeof(dyn);
|
|
|
|
} while (dyn.d_tag != DT_DEBUG && dyn.d_tag != DT_NULL);
|
2004-08-30 21:31:13 +02:00
|
|
|
if (dyn.d_tag == DT_NULL) goto leave;
|
2004-04-06 00:21:27 +02:00
|
|
|
elf_info->dbg_hdr_addr = dyn.d_un.d_ptr;
|
|
|
|
}
|
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
elf_unmap_section(&fmap, fmap.elfhdr.e_shstrndx);
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (elf_info->flags & ELF_INFO_MODULE)
|
|
|
|
{
|
2004-10-04 21:02:36 +02:00
|
|
|
struct elf_module_info *elf_module_info =
|
|
|
|
HeapAlloc(GetProcessHeap(), 0, sizeof(struct elf_module_info));
|
|
|
|
if (!elf_module_info) goto leave;
|
2004-04-06 00:21:27 +02:00
|
|
|
elf_info->module = module_new(pcs, filename, DMT_ELF,
|
2005-03-01 11:39:49 +01:00
|
|
|
(load_offset) ? load_offset : fmap.elf_start,
|
2005-03-29 15:14:08 +02:00
|
|
|
fmap.elf_size, 0, calc_crc32(&fmap));
|
2004-10-04 21:02:36 +02:00
|
|
|
if (!elf_info->module)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-10-04 21:02:36 +02:00
|
|
|
HeapFree(GetProcessHeap(), 0, elf_module_info);
|
|
|
|
goto leave;
|
2004-08-30 21:31:13 +02:00
|
|
|
}
|
2004-10-04 21:02:36 +02:00
|
|
|
elf_info->module->elf_info = elf_module_info;
|
|
|
|
elf_info->module->elf_info->elf_addr = load_offset;
|
2004-08-30 21:31:13 +02:00
|
|
|
|
|
|
|
if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
|
|
|
|
{
|
|
|
|
elf_info->module->module.SymType = SymDeferred;
|
|
|
|
ret = TRUE;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
else ret = elf_load_debug_info(elf_info->module, &fmap);
|
2004-08-30 21:31:13 +02:00
|
|
|
|
|
|
|
elf_info->module->elf_info->elf_mark = 1;
|
|
|
|
elf_info->module->elf_info->elf_loader = 0;
|
|
|
|
} else ret = TRUE;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2005-03-29 15:14:08 +02:00
|
|
|
if (elf_info->flags & ELF_INFO_NAME)
|
|
|
|
{
|
|
|
|
elf_info->module_name = strcpy(HeapAlloc(GetProcessHeap(), 0,
|
|
|
|
strlen(filename) + 1), filename);
|
|
|
|
}
|
2004-04-06 00:21:27 +02:00
|
|
|
leave:
|
2005-03-01 11:39:49 +01:00
|
|
|
elf_unmap_file(&fmap);
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
return ret;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_load_file_from_path
|
|
|
|
* tries to load an ELF file from a set of paths (separated by ':')
|
|
|
|
*/
|
2004-08-30 21:31:13 +02:00
|
|
|
static BOOL elf_load_file_from_path(HANDLE hProcess,
|
|
|
|
const char* filename,
|
|
|
|
unsigned long load_offset,
|
|
|
|
const char* path,
|
|
|
|
struct elf_info* elf_info)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-08-30 21:31:13 +02:00
|
|
|
BOOL ret = FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
char *s, *t, *fn;
|
|
|
|
char* paths = NULL;
|
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
if (!path) return FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
|
|
|
paths = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(path) + 1), path);
|
|
|
|
for (s = paths; s && *s; s = (t) ? (t+1) : NULL)
|
|
|
|
{
|
|
|
|
t = strchr(s, ':');
|
|
|
|
if (t) *t = '\0';
|
|
|
|
fn = HeapAlloc(GetProcessHeap(), 0, strlen(filename) + 1 + strlen(s) + 1);
|
|
|
|
if (!fn) break;
|
|
|
|
strcpy(fn, s);
|
|
|
|
strcat(fn, "/");
|
|
|
|
strcat(fn, filename);
|
2004-08-30 21:31:13 +02:00
|
|
|
ret = elf_load_file(hProcess, fn, load_offset, elf_info);
|
2004-04-06 00:21:27 +02:00
|
|
|
HeapFree(GetProcessHeap(), 0, fn);
|
2004-08-30 21:31:13 +02:00
|
|
|
if (ret) break;
|
2004-04-06 00:21:27 +02:00
|
|
|
s = (t) ? (t+1) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
HeapFree(GetProcessHeap(), 0, paths);
|
2004-08-30 21:31:13 +02:00
|
|
|
return ret;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_search_and_load_file
|
|
|
|
*
|
|
|
|
* lookup a file in standard ELF locations, and if found, load it
|
|
|
|
*/
|
2004-08-30 21:31:13 +02:00
|
|
|
static BOOL elf_search_and_load_file(struct process* pcs, const char* filename,
|
|
|
|
unsigned long load_offset,
|
|
|
|
struct elf_info* elf_info)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-08-30 21:31:13 +02:00
|
|
|
BOOL ret = FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
struct module* module;
|
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
if (filename == NULL || *filename == '\0') return FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
if ((module = module_find_by_name(pcs, filename, DMT_ELF)))
|
|
|
|
{
|
|
|
|
elf_info->module = module;
|
2004-05-18 23:29:09 +02:00
|
|
|
module->elf_info->elf_mark = 1;
|
2004-04-06 00:21:27 +02:00
|
|
|
return module->module.SymType;
|
|
|
|
}
|
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
if (strstr(filename, "libstdc++")) return FALSE; /* We know we can't do it */
|
|
|
|
ret = elf_load_file(pcs, filename, load_offset, elf_info);
|
2004-04-06 00:21:27 +02:00
|
|
|
/* if relative pathname, try some absolute base dirs */
|
2004-08-30 21:31:13 +02:00
|
|
|
if (!ret && !strchr(filename, '/'))
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-08-30 21:31:13 +02:00
|
|
|
ret = elf_load_file_from_path(pcs, filename, load_offset,
|
|
|
|
getenv("PATH"), elf_info) ||
|
|
|
|
elf_load_file_from_path(pcs, filename, load_offset,
|
|
|
|
getenv("LD_LIBRARY_PATH"), elf_info) ||
|
|
|
|
elf_load_file_from_path(pcs, filename, load_offset,
|
|
|
|
getenv("WINEDLLPATH"), elf_info);
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
2004-08-30 21:31:13 +02:00
|
|
|
return ret;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
2005-03-01 11:39:49 +01:00
|
|
|
* elf_enum_modules_internal
|
2004-04-06 00:21:27 +02:00
|
|
|
*
|
2005-03-01 11:39:49 +01:00
|
|
|
* Enumerate ELF modules from a running process
|
2004-04-06 00:21:27 +02:00
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
static BOOL elf_enum_modules_internal(const struct process* pcs,
|
2005-03-29 15:14:08 +02:00
|
|
|
const char* main_name,
|
2005-03-01 11:39:49 +01:00
|
|
|
elf_enum_modules_cb cb, void* user)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
|
|
|
struct r_debug dbg_hdr;
|
|
|
|
void* lm_addr;
|
|
|
|
struct link_map lm;
|
|
|
|
char bufstr[256];
|
|
|
|
|
2004-11-08 21:26:22 +01:00
|
|
|
if (!pcs->dbg_hdr_addr ||
|
|
|
|
!ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr,
|
|
|
|
&dbg_hdr, sizeof(dbg_hdr), NULL))
|
2004-04-06 00:21:27 +02:00
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
/* Now walk the linked list. In all known ELF implementations,
|
|
|
|
* the dynamic loader maintains this linked list for us. In some
|
|
|
|
* cases the first entry doesn't appear with a name, in other cases it
|
|
|
|
* does.
|
|
|
|
*/
|
|
|
|
for (lm_addr = (void*)dbg_hdr.r_map; lm_addr; lm_addr = (void*)lm.l_next)
|
|
|
|
{
|
2004-11-08 21:26:22 +01:00
|
|
|
if (!ReadProcessMemory(pcs->handle, lm_addr, &lm, sizeof(lm), NULL))
|
2004-04-06 00:21:27 +02:00
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
if (lm.l_prev != NULL && /* skip first entry, normally debuggee itself */
|
|
|
|
lm.l_name != NULL &&
|
2004-11-08 21:26:22 +01:00
|
|
|
ReadProcessMemory(pcs->handle, lm.l_name, bufstr, sizeof(bufstr), NULL))
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
|
|
|
bufstr[sizeof(bufstr) - 1] = '\0';
|
2005-03-29 15:14:08 +02:00
|
|
|
if (main_name && !bufstr[0]) strcpy(bufstr, main_name);
|
|
|
|
if (!cb(bufstr, (unsigned long)lm.l_addr, user)) break;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct elf_sync
|
|
|
|
{
|
|
|
|
struct process* pcs;
|
|
|
|
struct elf_info elf_info;
|
|
|
|
};
|
|
|
|
|
|
|
|
static BOOL elf_enum_sync_cb(const char* name, unsigned long addr, void* user)
|
|
|
|
{
|
|
|
|
struct elf_sync* es = user;
|
|
|
|
|
|
|
|
elf_search_and_load_file(es->pcs, name, addr, &es->elf_info);
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_synchronize_module_list
|
|
|
|
*
|
|
|
|
* this functions rescans the debuggee module's list and synchronizes it with
|
|
|
|
* the one from 'pcs', ie:
|
|
|
|
* - if a module is in debuggee and not in pcs, it's loaded into pcs
|
|
|
|
* - if a module is in pcs and not in debuggee, it's unloaded from pcs
|
|
|
|
*/
|
|
|
|
BOOL elf_synchronize_module_list(struct process* pcs)
|
|
|
|
{
|
|
|
|
struct module* module;
|
|
|
|
struct elf_sync es;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
|
|
|
for (module = pcs->lmodules; module; module = module->next)
|
2005-03-01 11:39:49 +01:00
|
|
|
{
|
|
|
|
if (module->type == DMT_ELF) module->elf_info->elf_mark = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
es.pcs = pcs;
|
|
|
|
es.elf_info.flags = ELF_INFO_MODULE;
|
2005-03-29 15:14:08 +02:00
|
|
|
if (!elf_enum_modules_internal(pcs, NULL, elf_enum_sync_cb, &es))
|
2005-03-01 11:39:49 +01:00
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
module = pcs->lmodules;
|
|
|
|
while (module)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-05-18 23:29:09 +02:00
|
|
|
if (module->type == DMT_ELF && !module->elf_info->elf_mark &&
|
|
|
|
!module->elf_info->elf_loader)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
|
|
|
module_remove(pcs, module);
|
|
|
|
/* restart all over */
|
|
|
|
module = pcs->lmodules;
|
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
else module = module->next;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
2005-03-01 11:39:49 +01:00
|
|
|
* elf_search_loader
|
2004-04-06 00:21:27 +02:00
|
|
|
*
|
2005-03-01 11:39:49 +01:00
|
|
|
* Lookup in a running ELF process the loader, and sets its ELF link
|
|
|
|
* address (for accessing the list of loaded .so libs) in pcs.
|
|
|
|
* If flags is ELF_INFO_MODULE, the module for the loader is also
|
|
|
|
* added as a module into pcs.
|
2004-04-06 00:21:27 +02:00
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
static BOOL elf_search_loader(struct process* pcs, struct elf_info* elf_info)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-08-30 21:31:13 +02:00
|
|
|
BOOL ret;
|
2005-03-01 11:39:49 +01:00
|
|
|
const char* ptr;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
|
|
|
/* All binaries are loaded with WINELOADER (if run from tree) or by the
|
|
|
|
* main executable (either wine-kthread or wine-pthread)
|
2005-03-01 11:39:49 +01:00
|
|
|
* FIXME: the heuristic used to know whether we need to load wine-pthread
|
|
|
|
* or wine-kthread is not 100% safe
|
2004-04-06 00:21:27 +02:00
|
|
|
*/
|
|
|
|
if ((ptr = getenv("WINELOADER")))
|
2005-03-01 11:39:49 +01:00
|
|
|
ret = elf_search_and_load_file(pcs, ptr, 0, elf_info);
|
2004-04-06 00:21:27 +02:00
|
|
|
else
|
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
ret = elf_search_and_load_file(pcs, "wine-kthread", 0, elf_info) ||
|
|
|
|
elf_search_and_load_file(pcs, "wine-pthread", 0, elf_info);
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_read_wine_loader_dbg_info
|
|
|
|
*
|
|
|
|
* Try to find a decent wine executable which could have loaded the debuggee
|
|
|
|
*/
|
|
|
|
BOOL elf_read_wine_loader_dbg_info(struct process* pcs)
|
|
|
|
{
|
|
|
|
struct elf_info elf_info;
|
|
|
|
|
|
|
|
elf_info.flags = ELF_INFO_DEBUG_HEADER | ELF_INFO_MODULE;
|
|
|
|
if (!elf_search_loader(pcs, &elf_info)) return FALSE;
|
2004-05-18 23:29:09 +02:00
|
|
|
elf_info.module->elf_info->elf_loader = 1;
|
|
|
|
strcpy(elf_info.module->module.ModuleName, "<wine-loader>");
|
|
|
|
return (pcs->dbg_hdr_addr = elf_info.dbg_hdr_addr) != 0;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
/******************************************************************
|
|
|
|
* elf_enum_modules
|
|
|
|
*
|
|
|
|
* Enumerates the ELF loaded modules from a running target (hProc)
|
|
|
|
* This function doesn't require that someone has called SymInitialize
|
|
|
|
* on this very process.
|
|
|
|
*/
|
|
|
|
BOOL elf_enum_modules(HANDLE hProc, elf_enum_modules_cb cb, void* user)
|
|
|
|
{
|
|
|
|
struct process pcs;
|
|
|
|
struct elf_info elf_info;
|
2005-03-29 15:14:08 +02:00
|
|
|
BOOL ret;
|
2005-03-01 11:39:49 +01:00
|
|
|
|
2005-03-07 12:03:21 +01:00
|
|
|
memset(&pcs, 0, sizeof(pcs));
|
2005-03-01 11:39:49 +01:00
|
|
|
pcs.handle = hProc;
|
2005-03-29 15:14:08 +02:00
|
|
|
elf_info.flags = ELF_INFO_DEBUG_HEADER | ELF_INFO_NAME;
|
2005-03-01 11:39:49 +01:00
|
|
|
if (!elf_search_loader(&pcs, &elf_info)) return FALSE;
|
2005-03-07 12:03:21 +01:00
|
|
|
pcs.dbg_hdr_addr = elf_info.dbg_hdr_addr;
|
2005-03-29 15:14:08 +02:00
|
|
|
ret = elf_enum_modules_internal(&pcs, elf_info.module_name, cb, user);
|
|
|
|
HeapFree(GetProcessHeap(), 0, (char*)elf_info.module_name);
|
|
|
|
return ret;
|
2005-03-01 11:39:49 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
struct elf_load
|
|
|
|
{
|
|
|
|
struct process* pcs;
|
|
|
|
struct elf_info elf_info;
|
|
|
|
const char* name;
|
|
|
|
BOOL ret;
|
|
|
|
};
|
|
|
|
|
|
|
|
/******************************************************************
|
|
|
|
* elf_load_cb
|
|
|
|
*
|
|
|
|
* Callback for elf_load_module, used to walk the list of loaded
|
|
|
|
* modules.
|
|
|
|
*/
|
|
|
|
static BOOL elf_load_cb(const char* name, unsigned long addr, void* user)
|
|
|
|
{
|
|
|
|
struct elf_load* el = user;
|
|
|
|
const char* p;
|
|
|
|
|
|
|
|
/* memcmp is needed for matches when bufstr contains also version information
|
|
|
|
* el->name: libc.so, name: libc.so.6.0
|
|
|
|
*/
|
|
|
|
p = strrchr(name, '/');
|
|
|
|
if (!p++) p = name;
|
|
|
|
if (!memcmp(p, el->name, strlen(el->name)))
|
|
|
|
{
|
|
|
|
elf_search_and_load_file(el->pcs, name, addr, &el->elf_info);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2004-04-06 00:21:27 +02:00
|
|
|
/******************************************************************
|
|
|
|
* elf_load_module
|
|
|
|
*
|
|
|
|
* loads an ELF module and stores it in process' module list
|
2004-11-08 21:26:22 +01:00
|
|
|
* Also, find module real name and load address from
|
2004-04-06 00:21:27 +02:00
|
|
|
* the real loaded modules list in pcs address space
|
|
|
|
*/
|
2005-03-01 11:39:49 +01:00
|
|
|
struct module* elf_load_module(struct process* pcs, const char* name, DWORD addr)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
struct elf_load el;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2005-03-29 15:14:08 +02:00
|
|
|
TRACE("(%p %s %08lx)\n", pcs, name, addr);
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
el.elf_info.flags = ELF_INFO_MODULE;
|
|
|
|
el.ret = FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
if (pcs->dbg_hdr_addr) /* we're debugging a life target */
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2005-03-01 11:39:49 +01:00
|
|
|
el.pcs = pcs;
|
2005-03-29 15:14:08 +02:00
|
|
|
/* do only the lookup from the filename, not the path (as we lookup module
|
|
|
|
* name in the process' loaded module list)
|
2005-03-01 11:39:49 +01:00
|
|
|
*/
|
|
|
|
el.name = strrchr(name, '/');
|
|
|
|
if (!el.name++) el.name = name;
|
|
|
|
el.ret = FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
|
2005-03-29 15:14:08 +02:00
|
|
|
if (!elf_enum_modules_internal(pcs, NULL, elf_load_cb, &el))
|
2005-03-01 11:39:49 +01:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (addr)
|
|
|
|
{
|
|
|
|
el.ret = elf_search_and_load_file(pcs, name, addr, &el.elf_info);
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
2005-03-01 11:39:49 +01:00
|
|
|
if (!el.ret) return NULL;
|
|
|
|
assert(el.elf_info.module);
|
|
|
|
return el.elf_info.module;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
#else /* !__ELF__ */
|
|
|
|
|
|
|
|
BOOL elf_synchronize_module_list(struct process* pcs)
|
|
|
|
{
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2005-08-29 11:46:32 +02:00
|
|
|
BOOL elf_fetch_file_info(const char* name, DWORD* base,
|
|
|
|
DWORD* size, DWORD* checksum)
|
|
|
|
{
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2004-05-24 21:10:04 +02:00
|
|
|
BOOL elf_read_wine_loader_dbg_info(struct process* pcs)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-05-24 21:10:04 +02:00
|
|
|
return FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
|
2005-08-29 11:46:32 +02:00
|
|
|
BOOL elf_enum_modules(HANDLE hProc, elf_enum_modules_cb cb, void* user)
|
|
|
|
{
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2005-03-01 11:39:49 +01:00
|
|
|
struct module* elf_load_module(struct process* pcs, const char* name, DWORD addr)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2005-05-05 11:50:13 +02:00
|
|
|
BOOL elf_load_debug_info(struct module* module, struct elf_file_map* fmap)
|
2004-04-06 00:21:27 +02:00
|
|
|
{
|
2004-08-30 21:31:13 +02:00
|
|
|
return FALSE;
|
2004-04-06 00:21:27 +02:00
|
|
|
}
|
|
|
|
#endif /* __ELF__ */
|