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https://github.com/reactos/reactos.git
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1826 lines
62 KiB
C
1826 lines
62 KiB
C
/*
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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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* 1999-2007 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "dbghelp_private.h"
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#if defined(__svr4__) || defined(__sun)
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#define __ELF__ 1
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/* large files are not supported by libelf */
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#undef _FILE_OFFSET_BITS
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#define _FILE_OFFSET_BITS 32
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#endif
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#include <stdlib.h>
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#include <fcntl.h>
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#include <wine/library.h>
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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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#define ELF_INFO_NAME 0x0004
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#ifndef NT_GNU_BUILD_ID
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#define NT_GNU_BUILD_ID 3
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#endif
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#ifndef HAVE_STRUCT_R_DEBUG
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struct r_debug
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{
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int r_version;
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struct link_map *r_map;
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ElfW(Addr) r_brk;
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enum
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{
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RT_CONSISTENT,
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RT_ADD,
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RT_DELETE
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} r_state;
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ElfW(Addr) r_ldbase;
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};
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#endif /* HAVE_STRUCT_R_DEBUG */
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#ifndef HAVE_STRUCT_LINK_MAP
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struct link_map
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{
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ElfW(Addr) l_addr;
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char *l_name;
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ElfW(Dyn) *l_ld;
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struct link_map *l_next, *l_prev;
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};
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#endif /* HAVE_STRUCT_LINK_MAP */
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WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
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struct elf_info
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{
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unsigned flags; /* IN one (or several) of the ELF_INFO constants */
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DWORD_PTR 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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const WCHAR* module_name; /* OUT found module name (if ELF_INFO_NAME is set) */
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};
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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 Elf_Sym* symp;
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struct symt_compiland* compiland;
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unsigned used;
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};
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struct elf_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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};
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struct elf_module_info
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{
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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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struct image_file_map file_map;
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};
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/******************************************************************
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* elf_map_section
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*
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* Maps a single section into memory from an ELF file
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*/
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const char* elf_map_section(struct image_section_map* ism)
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{
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struct elf_file_map* fmap = &ism->fmap->u.elf;
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size_t ofst, size, pgsz = sysconf( _SC_PAGESIZE );
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assert(ism->fmap->modtype == DMT_ELF);
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if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.elf.elfhdr.e_shnum ||
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fmap->sect[ism->sidx].shdr.sh_type == SHT_NOBITS)
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return IMAGE_NO_MAP;
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if (fmap->target_copy)
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{
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return fmap->target_copy + fmap->sect[ism->sidx].shdr.sh_offset;
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}
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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[ism->sidx].shdr.sh_offset & ~(pgsz - 1);
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size = ((fmap->sect[ism->sidx].shdr.sh_offset +
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fmap->sect[ism->sidx].shdr.sh_size + pgsz - 1) & ~(pgsz - 1)) - ofst;
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fmap->sect[ism->sidx].mapped = mmap(NULL, size, PROT_READ, MAP_PRIVATE,
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fmap->fd, ofst);
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if (fmap->sect[ism->sidx].mapped == IMAGE_NO_MAP) return IMAGE_NO_MAP;
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return fmap->sect[ism->sidx].mapped + (fmap->sect[ism->sidx].shdr.sh_offset & (pgsz - 1));
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}
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/******************************************************************
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* elf_find_section
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*
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* Finds a section by name (and type) into memory from an ELF file
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* or its alternate if any
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*/
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BOOL elf_find_section(struct image_file_map* _fmap, const char* name,
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unsigned sht, struct image_section_map* ism)
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{
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struct elf_file_map* fmap;
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unsigned i;
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while (_fmap)
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{
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fmap = &_fmap->u.elf;
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if (fmap->shstrtab == IMAGE_NO_MAP)
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{
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struct image_section_map hdr_ism = {_fmap, fmap->elfhdr.e_shstrndx};
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if ((fmap->shstrtab = elf_map_section(&hdr_ism)) == IMAGE_NO_MAP) break;
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}
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for (i = 0; i < fmap->elfhdr.e_shnum; i++)
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{
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if (strcmp(fmap->shstrtab + fmap->sect[i].shdr.sh_name, name) == 0 &&
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(sht == SHT_NULL || sht == fmap->sect[i].shdr.sh_type))
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{
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ism->fmap = _fmap;
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ism->sidx = i;
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return TRUE;
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}
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}
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_fmap = fmap->alternate;
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}
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ism->fmap = NULL;
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ism->sidx = -1;
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return FALSE;
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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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void elf_unmap_section(struct image_section_map* ism)
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{
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struct elf_file_map* fmap = &ism->fmap->u.elf;
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if (ism->sidx >= 0 && ism->sidx < fmap->elfhdr.e_shnum && !fmap->target_copy &&
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fmap->sect[ism->sidx].mapped != IMAGE_NO_MAP)
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{
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size_t pgsz = sysconf( _SC_PAGESIZE );
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size_t ofst = fmap->sect[ism->sidx].shdr.sh_offset & ~(pgsz - 1);
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size_t size = ((fmap->sect[ism->sidx].shdr.sh_offset +
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fmap->sect[ism->sidx].shdr.sh_size + pgsz - 1) & ~(pgsz - 1)) - ofst;
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if (munmap((char*)fmap->sect[ism->sidx].mapped, size) < 0)
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WARN("Couldn't unmap the section\n");
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fmap->sect[ism->sidx].mapped = IMAGE_NO_MAP;
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}
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}
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static void elf_end_find(struct image_file_map* fmap)
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{
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struct image_section_map ism;
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while (fmap)
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{
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ism.fmap = fmap;
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ism.sidx = fmap->u.elf.elfhdr.e_shstrndx;
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elf_unmap_section(&ism);
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fmap->u.elf.shstrtab = IMAGE_NO_MAP;
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fmap = fmap->u.elf.alternate;
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}
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}
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/******************************************************************
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* elf_get_map_rva
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*
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* Get the RVA of an ELF section
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*/
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DWORD_PTR elf_get_map_rva(const struct image_section_map* ism)
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{
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if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.elf.elfhdr.e_shnum)
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return 0;
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return ism->fmap->u.elf.sect[ism->sidx].shdr.sh_addr - ism->fmap->u.elf.elf_start;
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}
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/******************************************************************
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* elf_get_map_size
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*
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* Get the size of an ELF section
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*/
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unsigned elf_get_map_size(const struct image_section_map* ism)
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{
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if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.elf.elfhdr.e_shnum)
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return 0;
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return ism->fmap->u.elf.sect[ism->sidx].shdr.sh_size;
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}
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static inline void elf_reset_file_map(struct image_file_map* fmap)
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{
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fmap->u.elf.fd = -1;
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fmap->u.elf.shstrtab = IMAGE_NO_MAP;
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fmap->u.elf.alternate = NULL;
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fmap->u.elf.target_copy = NULL;
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}
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struct elf_map_file_data
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{
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enum {from_file, from_process} kind;
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union
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{
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struct
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{
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const WCHAR* filename;
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} file;
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struct
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{
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HANDLE handle;
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void* load_addr;
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} process;
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} u;
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};
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static BOOL elf_map_file_read(struct image_file_map* fmap, struct elf_map_file_data* emfd,
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void* buf, size_t len, off_t off)
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{
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SIZE_T dw;
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switch (emfd->kind)
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{
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case from_file:
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return pread(fmap->u.elf.fd, buf, len, off) == len;
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case from_process:
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return ReadProcessMemory(emfd->u.process.handle,
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(void*)((unsigned long)emfd->u.process.load_addr + (unsigned long)off),
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buf, len, &dw) && dw == len;
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default:
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assert(0);
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return FALSE;
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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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* Maps an ELF file into memory (and checks it's a real ELF file)
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*/
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static BOOL elf_map_file(struct elf_map_file_data* emfd, struct image_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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unsigned int i;
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Elf_Phdr phdr;
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size_t tmp, page_mask = sysconf( _SC_PAGESIZE ) - 1;
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char* filename;
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unsigned len;
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BOOL ret = FALSE;
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switch (emfd->kind)
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{
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case from_file:
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len = WideCharToMultiByte(CP_UNIXCP, 0, emfd->u.file.filename, -1, NULL, 0, NULL, NULL);
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if (!(filename = HeapAlloc(GetProcessHeap(), 0, len))) return FALSE;
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WideCharToMultiByte(CP_UNIXCP, 0, emfd->u.file.filename, -1, filename, len, NULL, NULL);
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break;
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case from_process:
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filename = NULL;
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break;
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default: assert(0);
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return FALSE;
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}
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elf_reset_file_map(fmap);
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fmap->modtype = DMT_ELF;
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fmap->u.elf.fd = -1;
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fmap->u.elf.target_copy = NULL;
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switch (emfd->kind)
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{
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case from_file:
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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)) goto done;
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/* Now open the file, so that we can mmap() it. */
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if ((fmap->u.elf.fd = open(filename, O_RDONLY)) == -1) goto done;
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break;
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case from_process:
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break;
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}
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if (!elf_map_file_read(fmap, emfd, &fmap->u.elf.elfhdr, sizeof(fmap->u.elf.elfhdr), 0))
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goto done;
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/* and check for an ELF header */
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if (memcmp(fmap->u.elf.elfhdr.e_ident,
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elf_signature, sizeof(elf_signature))) goto done;
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/* and check 32 vs 64 size according to current machine */
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#ifdef _WIN64
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if (fmap->u.elf.elfhdr.e_ident[EI_CLASS] != ELFCLASS64) goto done;
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#else
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if (fmap->u.elf.elfhdr.e_ident[EI_CLASS] != ELFCLASS32) goto done;
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#endif
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fmap->addr_size = fmap->u.elf.elfhdr.e_ident[EI_CLASS] == ELFCLASS64 ? 64 : 32;
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fmap->u.elf.sect = HeapAlloc(GetProcessHeap(), 0,
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fmap->u.elf.elfhdr.e_shnum * sizeof(fmap->u.elf.sect[0]));
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if (!fmap->u.elf.sect) goto done;
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for (i = 0; i < fmap->u.elf.elfhdr.e_shnum; i++)
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{
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if (!elf_map_file_read(fmap, emfd, &fmap->u.elf.sect[i].shdr, sizeof(fmap->u.elf.sect[i].shdr),
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fmap->u.elf.elfhdr.e_shoff + i * sizeof(fmap->u.elf.sect[i].shdr)))
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{
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HeapFree(GetProcessHeap(), 0, fmap->u.elf.sect);
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fmap->u.elf.sect = NULL;
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goto done;
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}
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fmap->u.elf.sect[i].mapped = IMAGE_NO_MAP;
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}
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/* grab size of module once loaded in memory */
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fmap->u.elf.elf_size = 0;
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fmap->u.elf.elf_start = ~0L;
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for (i = 0; i < fmap->u.elf.elfhdr.e_phnum; i++)
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{
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if (elf_map_file_read(fmap, emfd, &phdr, sizeof(phdr),
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fmap->u.elf.elfhdr.e_phoff + i * 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->u.elf.elf_size < tmp) fmap->u.elf.elf_size = tmp;
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if (phdr.p_vaddr < fmap->u.elf.elf_start) fmap->u.elf.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->u.elf.elf_size -= fmap->u.elf.elf_start;
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switch (emfd->kind)
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{
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case from_file: break;
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case from_process:
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if (!(fmap->u.elf.target_copy = HeapAlloc(GetProcessHeap(), 0, fmap->u.elf.elf_size)))
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{
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HeapFree(GetProcessHeap(), 0, fmap->u.elf.sect);
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goto done;
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}
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if (!ReadProcessMemory(emfd->u.process.handle, emfd->u.process.load_addr, fmap->u.elf.target_copy,
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fmap->u.elf.elf_size, NULL))
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{
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HeapFree(GetProcessHeap(), 0, fmap->u.elf.target_copy);
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HeapFree(GetProcessHeap(), 0, fmap->u.elf.sect);
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goto done;
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}
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break;
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}
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ret = TRUE;
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done:
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HeapFree(GetProcessHeap(), 0, filename);
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return ret;
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}
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|
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/******************************************************************
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* elf_unmap_file
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*
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* Unmaps an ELF file from memory (previously mapped with elf_map_file)
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*/
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static void elf_unmap_file(struct image_file_map* fmap)
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{
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while (fmap)
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{
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if (fmap->u.elf.fd != -1)
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{
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struct image_section_map ism;
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ism.fmap = fmap;
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for (ism.sidx = 0; ism.sidx < fmap->u.elf.elfhdr.e_shnum; ism.sidx++)
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{
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elf_unmap_section(&ism);
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}
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HeapFree(GetProcessHeap(), 0, fmap->u.elf.sect);
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close(fmap->u.elf.fd);
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}
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HeapFree(GetProcessHeap(), 0, fmap->u.elf.target_copy);
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fmap = fmap->u.elf.alternate;
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}
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}
|
|
|
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static void elf_module_remove(struct process* pcs, struct module_format* modfmt)
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{
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elf_unmap_file(&modfmt->u.elf_info->file_map);
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HeapFree(GetProcessHeap(), 0, modfmt);
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}
|
|
|
|
/******************************************************************
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|
* elf_is_in_thunk_area
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|
*
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* Check whether an address lies within one of the thunk area we
|
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* know of.
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*/
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int elf_is_in_thunk_area(unsigned long addr,
|
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const struct elf_thunk_area* thunks)
|
|
{
|
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unsigned i;
|
|
|
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if (thunks) for (i = 0; thunks[i].symname; i++)
|
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{
|
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if (addr >= thunks[i].rva_start && addr < thunks[i].rva_end)
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return i;
|
|
}
|
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return -1;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_hash_symtab
|
|
*
|
|
* creating an internal hash table to ease use ELF symtab information lookup
|
|
*/
|
|
static void elf_hash_symtab(struct module* module, struct pool* pool,
|
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struct hash_table* ht_symtab, struct image_file_map* fmap,
|
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struct elf_thunk_area* thunks)
|
|
{
|
|
int i, j, nsym;
|
|
const char* strp;
|
|
const char* symname;
|
|
struct symt_compiland* compiland = NULL;
|
|
const char* ptr;
|
|
const Elf_Sym* symp;
|
|
struct symtab_elt* ste;
|
|
struct image_section_map ism, ism_str;
|
|
|
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if (!elf_find_section(fmap, ".symtab", SHT_SYMTAB, &ism) &&
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!elf_find_section(fmap, ".dynsym", SHT_DYNSYM, &ism)) return;
|
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if ((symp = (const Elf_Sym*)image_map_section(&ism)) == IMAGE_NO_MAP) return;
|
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ism_str.fmap = ism.fmap;
|
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ism_str.sidx = fmap->u.elf.sect[ism.sidx].shdr.sh_link;
|
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if ((strp = image_map_section(&ism_str)) == IMAGE_NO_MAP)
|
|
{
|
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image_unmap_section(&ism);
|
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return;
|
|
}
|
|
|
|
nsym = image_get_map_size(&ism) / sizeof(*symp);
|
|
|
|
for (j = 0; thunks[j].symname; j++)
|
|
thunks[j].rva_start = thunks[j].rva_end = 0;
|
|
|
|
for (i = 0; i < nsym; i++, symp++)
|
|
{
|
|
/* Ignore certain types of entries which really aren't of that much
|
|
* interest.
|
|
*/
|
|
if ((ELF32_ST_TYPE(symp->st_info) != STT_NOTYPE &&
|
|
ELF32_ST_TYPE(symp->st_info) != STT_FILE &&
|
|
ELF32_ST_TYPE(symp->st_info) != STT_OBJECT &&
|
|
ELF32_ST_TYPE(symp->st_info) != STT_FUNC) ||
|
|
symp->st_shndx == SHN_UNDEF)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
symname = strp + symp->st_name;
|
|
|
|
/* handle some specific symtab (that we'll throw away when done) */
|
|
switch (ELF32_ST_TYPE(symp->st_info))
|
|
{
|
|
case STT_FILE:
|
|
if (symname)
|
|
compiland = symt_new_compiland(module, symp->st_value,
|
|
source_new(module, NULL, symname));
|
|
else
|
|
compiland = NULL;
|
|
continue;
|
|
case STT_NOTYPE:
|
|
/* we are only interested in wine markers inserted by winebuild */
|
|
for (j = 0; thunks[j].symname; j++)
|
|
{
|
|
if (!strcmp(symname, thunks[j].symname))
|
|
{
|
|
thunks[j].rva_start = symp->st_value;
|
|
thunks[j].rva_end = symp->st_value + symp->st_size;
|
|
break;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* FIXME: we don't need to handle them (GCC internals)
|
|
* Moreover, they screw up our symbol lookup :-/
|
|
*/
|
|
if (symname[0] == '.' && symname[1] == 'L' && isdigit(symname[2]))
|
|
continue;
|
|
|
|
ste = pool_alloc(pool, sizeof(*ste));
|
|
ste->ht_elt.name = symname;
|
|
/* GCC emits, in some cases, a .<digit>+ suffix.
|
|
* This is used for static variable inside functions, so
|
|
* that we can have several such variables with same name in
|
|
* the same compilation unit
|
|
* We simply ignore that suffix when present (we also get rid
|
|
* of it in stabs parsing)
|
|
*/
|
|
ptr = symname + strlen(symname) - 1;
|
|
if (isdigit(*ptr))
|
|
{
|
|
while (isdigit(*ptr) && ptr >= symname) ptr--;
|
|
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;
|
|
}
|
|
}
|
|
ste->symp = symp;
|
|
ste->compiland = compiland;
|
|
ste->used = 0;
|
|
hash_table_add(ht_symtab, &ste->ht_elt);
|
|
}
|
|
/* 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
|
|
*/
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_lookup_symtab
|
|
*
|
|
* lookup a symbol by name in our internal hash table for the symtab
|
|
*/
|
|
static const Elf_Sym* elf_lookup_symtab(const struct module* module,
|
|
const struct hash_table* ht_symtab,
|
|
const char* name, const 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,
|
|
((const 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->compiland && !compiland_name) || (!ste->compiland && compiland_name))
|
|
continue;
|
|
if (ste->compiland && compiland_name)
|
|
{
|
|
const char* filename = source_get(module, ste->compiland->source);
|
|
if (strcmp(filename, compiland_name))
|
|
{
|
|
base = strrchr(filename, '/');
|
|
if (!base++) base = 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,
|
|
source_get(module, result->compiland->source), (unsigned int)result->symp->st_value,
|
|
source_get(module, ste->compiland->source), (unsigned int)ste->symp->st_value);
|
|
}
|
|
else
|
|
{
|
|
result = ste;
|
|
ste->used = 1;
|
|
}
|
|
}
|
|
if (!result && !(result = weak_result))
|
|
{
|
|
FIXME("Couldn't find symbol %s!%s in symtab\n",
|
|
debugstr_w(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, const struct hash_table* symtab)
|
|
{
|
|
struct hash_table_iter hti;
|
|
void* ptr;
|
|
struct symt_ht* sym;
|
|
const Elf_Sym* symp;
|
|
struct elf_module_info* elf_info = module->format_info[DFI_ELF]->u.elf_info;
|
|
|
|
hash_table_iter_init(&module->ht_symbols, &hti, NULL);
|
|
while ((ptr = hash_table_iter_up(&hti)))
|
|
{
|
|
sym = CONTAINING_RECORD(ptr, struct symt_ht, hash_elt);
|
|
switch (sym->symt.tag)
|
|
{
|
|
case SymTagFunction:
|
|
if (((struct symt_function*)sym)->address != elf_info->elf_addr &&
|
|
((struct symt_function*)sym)->size)
|
|
{
|
|
break;
|
|
}
|
|
symp = elf_lookup_symtab(module, symtab, sym->hash_elt.name,
|
|
((struct symt_function*)sym)->container);
|
|
if (symp)
|
|
{
|
|
if (((struct symt_function*)sym)->address != elf_info->elf_addr &&
|
|
((struct symt_function*)sym)->address != elf_info->elf_addr + symp->st_value)
|
|
FIXME("Changing address for %p/%s!%s from %08lx to %08lx\n",
|
|
sym, debugstr_w(module->module.ModuleName), sym->hash_elt.name,
|
|
((struct symt_function*)sym)->address, 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, debugstr_w(module->module.ModuleName), sym->hash_elt.name,
|
|
((struct symt_function*)sym)->size, (unsigned int)symp->st_size);
|
|
|
|
((struct symt_function*)sym)->address = elf_info->elf_addr + symp->st_value;
|
|
((struct symt_function*)sym)->size = symp->st_size;
|
|
} else
|
|
FIXME("Couldn't find %s!%s\n",
|
|
debugstr_w(module->module.ModuleName), sym->hash_elt.name);
|
|
break;
|
|
case SymTagData:
|
|
switch (((struct symt_data*)sym)->kind)
|
|
{
|
|
case DataIsGlobal:
|
|
case DataIsFileStatic:
|
|
if (((struct symt_data*)sym)->u.var.kind != loc_absolute ||
|
|
((struct symt_data*)sym)->u.var.offset != elf_info->elf_addr)
|
|
break;
|
|
symp = elf_lookup_symtab(module, symtab, sym->hash_elt.name,
|
|
((struct symt_data*)sym)->container);
|
|
if (symp)
|
|
{
|
|
if (((struct symt_data*)sym)->u.var.offset != elf_info->elf_addr &&
|
|
((struct symt_data*)sym)->u.var.offset != elf_info->elf_addr + symp->st_value)
|
|
FIXME("Changing address for %p/%s!%s from %08lx to %08lx\n",
|
|
sym, debugstr_w(module->module.ModuleName), sym->hash_elt.name,
|
|
((struct symt_function*)sym)->address, elf_info->elf_addr + symp->st_value);
|
|
((struct symt_data*)sym)->u.var.offset = elf_info->elf_addr + symp->st_value;
|
|
((struct symt_data*)sym)->kind = (ELF32_ST_BIND(symp->st_info) == STB_LOCAL) ?
|
|
DataIsFileStatic : DataIsGlobal;
|
|
} else
|
|
FIXME("Couldn't find %s!%s\n",
|
|
debugstr_w(module->module.ModuleName), sym->hash_elt.name);
|
|
break;
|
|
default:;
|
|
}
|
|
break;
|
|
default:
|
|
FIXME("Unsupported tag %u\n", sym->symt.tag);
|
|
break;
|
|
}
|
|
}
|
|
/* since we may have changed some addresses & sizes, mark the module to be resorted */
|
|
module->sortlist_valid = FALSE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_load_wine_thunks
|
|
*
|
|
* creating the thunk objects for a wine native DLL
|
|
*/
|
|
static int elf_new_wine_thunks(struct module* module, const struct hash_table* ht_symtab,
|
|
const struct elf_thunk_area* thunks)
|
|
{
|
|
int j;
|
|
struct hash_table_iter hti;
|
|
struct symtab_elt* ste;
|
|
DWORD_PTR addr;
|
|
struct symt_ht* symt;
|
|
|
|
hash_table_iter_init(ht_symtab, &hti, NULL);
|
|
while ((ste = hash_table_iter_up(&hti)))
|
|
{
|
|
if (ste->used) continue;
|
|
|
|
addr = module->reloc_delta + ste->symp->st_value;
|
|
|
|
j = elf_is_in_thunk_area(ste->symp->st_value, thunks);
|
|
if (j >= 0) /* thunk found */
|
|
{
|
|
symt_new_thunk(module, ste->compiland, ste->ht_elt.name, thunks[j].ordinal,
|
|
addr, ste->symp->st_size);
|
|
}
|
|
else
|
|
{
|
|
ULONG64 ref_addr;
|
|
struct location loc;
|
|
|
|
symt = symt_find_nearest(module, addr);
|
|
if (symt && !symt_get_address(&symt->symt, &ref_addr))
|
|
ref_addr = addr;
|
|
if (!symt || addr != ref_addr)
|
|
{
|
|
/* 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
|
|
*/
|
|
switch (ELF32_ST_TYPE(ste->symp->st_info))
|
|
{
|
|
case STT_FUNC:
|
|
symt_new_function(module, ste->compiland, ste->ht_elt.name,
|
|
addr, ste->symp->st_size, NULL);
|
|
break;
|
|
case STT_OBJECT:
|
|
loc.kind = loc_absolute;
|
|
loc.reg = 0;
|
|
loc.offset = addr;
|
|
symt_new_global_variable(module, ste->compiland, ste->ht_elt.name,
|
|
ELF32_ST_BIND(ste->symp->st_info) == STB_LOCAL,
|
|
loc, ste->symp->st_size, NULL);
|
|
break;
|
|
default:
|
|
FIXME("Shouldn't happen\n");
|
|
break;
|
|
}
|
|
/* 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' add and lookup, performance
|
|
* is rather bad
|
|
*/
|
|
module->sortlist_valid = TRUE;
|
|
}
|
|
}
|
|
}
|
|
/* see comment above */
|
|
module->sortlist_valid = FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_new_public_symbols
|
|
*
|
|
* Creates a set of public symbols from an ELF symtab
|
|
*/
|
|
static int elf_new_public_symbols(struct module* module, const struct hash_table* symtab)
|
|
{
|
|
struct hash_table_iter hti;
|
|
struct symtab_elt* ste;
|
|
|
|
if (dbghelp_options & SYMOPT_NO_PUBLICS) return TRUE;
|
|
|
|
/* FIXME: we're missing the ELF entry point here */
|
|
|
|
hash_table_iter_init(symtab, &hti, NULL);
|
|
while ((ste = hash_table_iter_up(&hti)))
|
|
{
|
|
symt_new_public(module, ste->compiland, ste->ht_elt.name,
|
|
module->reloc_delta + ste->symp->st_value,
|
|
ste->symp->st_size);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL elf_check_debug_link(const WCHAR* file, struct image_file_map* fmap, DWORD crc)
|
|
{
|
|
BOOL ret;
|
|
struct elf_map_file_data emfd;
|
|
|
|
emfd.kind = from_file;
|
|
emfd.u.file.filename = file;
|
|
if (!elf_map_file(&emfd, fmap)) return FALSE;
|
|
if (!(ret = crc == calc_crc32(fmap->u.elf.fd)))
|
|
{
|
|
WARN("Bad CRC for file %s (got %08x while expecting %08x)\n",
|
|
debugstr_w(file), calc_crc32(fmap->u.elf.fd), crc);
|
|
elf_unmap_file(fmap);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_locate_debug_link
|
|
*
|
|
* Locate a filename from a .gnu_debuglink section, using the same
|
|
* strategy as gdb:
|
|
* "If the full name of the directory containing the executable is
|
|
* execdir, and the executable has a debug link that specifies the
|
|
* name debugfile, then GDB will automatically search for the
|
|
* debugging information file in three places:
|
|
* - the directory containing the executable file (that is, it
|
|
* will look for a file named `execdir/debugfile',
|
|
* - a subdirectory of that directory named `.debug' (that is, the
|
|
* file `execdir/.debug/debugfile', and
|
|
* - a subdirectory of the global debug file directory that includes
|
|
* the executable's full path, and the name from the link (that is,
|
|
* the file `globaldebugdir/execdir/debugfile', where globaldebugdir
|
|
* is the global debug file directory, and execdir has been turned
|
|
* into a relative path)." (from GDB manual)
|
|
*/
|
|
static BOOL elf_locate_debug_link(struct image_file_map* fmap, const char* filename,
|
|
const WCHAR* loaded_file, DWORD crc)
|
|
{
|
|
static const WCHAR globalDebugDirW[] = {'/','u','s','r','/','l','i','b','/','d','e','b','u','g','/'};
|
|
static const WCHAR dotDebugW[] = {'.','d','e','b','u','g','/'};
|
|
const size_t globalDebugDirLen = sizeof(globalDebugDirW) / sizeof(WCHAR);
|
|
size_t filename_len;
|
|
WCHAR* p = NULL;
|
|
WCHAR* slash;
|
|
struct image_file_map* fmap_link = NULL;
|
|
|
|
fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
|
|
if (!fmap_link) return FALSE;
|
|
|
|
filename_len = MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, NULL, 0);
|
|
p = HeapAlloc(GetProcessHeap(), 0,
|
|
(globalDebugDirLen + strlenW(loaded_file) + 6 + 1 + filename_len + 1) * sizeof(WCHAR));
|
|
if (!p) goto found;
|
|
|
|
/* we prebuild the string with "execdir" */
|
|
strcpyW(p, loaded_file);
|
|
slash = strrchrW(p, '/');
|
|
if (slash == NULL) slash = p; else slash++;
|
|
|
|
/* testing execdir/filename */
|
|
MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
|
|
if (elf_check_debug_link(p, fmap_link, crc)) goto found;
|
|
|
|
/* testing execdir/.debug/filename */
|
|
memcpy(slash, dotDebugW, sizeof(dotDebugW));
|
|
MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash + sizeof(dotDebugW) / sizeof(WCHAR), filename_len);
|
|
if (elf_check_debug_link(p, fmap_link, crc)) goto found;
|
|
|
|
/* testing globaldebugdir/execdir/filename */
|
|
memmove(p + globalDebugDirLen, p, (slash - p) * sizeof(WCHAR));
|
|
memcpy(p, globalDebugDirW, globalDebugDirLen * sizeof(WCHAR));
|
|
slash += globalDebugDirLen;
|
|
MultiByteToWideChar(CP_UNIXCP, 0, filename, -1, slash, filename_len);
|
|
if (elf_check_debug_link(p, fmap_link, crc)) goto found;
|
|
|
|
/* finally testing filename */
|
|
if (elf_check_debug_link(slash, fmap_link, crc)) goto found;
|
|
|
|
|
|
WARN("Couldn't locate or map %s\n", filename);
|
|
HeapFree(GetProcessHeap(), 0, p);
|
|
HeapFree(GetProcessHeap(), 0, fmap_link);
|
|
return FALSE;
|
|
|
|
found:
|
|
TRACE("Located debug information file %s at %s\n", filename, debugstr_w(p));
|
|
HeapFree(GetProcessHeap(), 0, p);
|
|
fmap->u.elf.alternate = fmap_link;
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_locate_build_id_target
|
|
*
|
|
* Try to find the .so file containing the debug info out of the build-id note information
|
|
*/
|
|
static BOOL elf_locate_build_id_target(struct image_file_map* fmap, const BYTE* id, unsigned idlen)
|
|
{
|
|
static const WCHAR globalDebugDirW[] = {'/','u','s','r','/','l','i','b','/','d','e','b','u','g','/'};
|
|
static const WCHAR buildidW[] = {'.','b','u','i','l','d','-','i','d','/'};
|
|
static const WCHAR dotDebug0W[] = {'.','d','e','b','u','g',0};
|
|
struct image_file_map* fmap_link = NULL;
|
|
WCHAR* p;
|
|
WCHAR* z;
|
|
const BYTE* idend = id + idlen;
|
|
struct elf_map_file_data emfd;
|
|
|
|
fmap_link = HeapAlloc(GetProcessHeap(), 0, sizeof(*fmap_link));
|
|
if (!fmap_link) return FALSE;
|
|
|
|
p = HeapAlloc(GetProcessHeap(), 0,
|
|
sizeof(globalDebugDirW) + sizeof(buildidW) +
|
|
(idlen * 2 + 1) * sizeof(WCHAR) + sizeof(dotDebug0W));
|
|
z = p;
|
|
memcpy(z, globalDebugDirW, sizeof(globalDebugDirW));
|
|
z += sizeof(globalDebugDirW) / sizeof(WCHAR);
|
|
memcpy(z, buildidW, sizeof(buildidW));
|
|
z += sizeof(buildidW) / sizeof(WCHAR);
|
|
|
|
if (id < idend)
|
|
{
|
|
*z++ = "0123456789abcdef"[*id >> 4 ];
|
|
*z++ = "0123456789abcdef"[*id & 0x0F];
|
|
id++;
|
|
}
|
|
if (id < idend)
|
|
*z++ = '/';
|
|
while (id < idend)
|
|
{
|
|
*z++ = "0123456789abcdef"[*id >> 4 ];
|
|
*z++ = "0123456789abcdef"[*id & 0x0F];
|
|
id++;
|
|
}
|
|
memcpy(z, dotDebug0W, sizeof(dotDebug0W));
|
|
TRACE("checking %s\n", wine_dbgstr_w(p));
|
|
|
|
emfd.kind = from_file;
|
|
emfd.u.file.filename = p;
|
|
if (elf_map_file(&emfd, fmap_link))
|
|
{
|
|
struct image_section_map buildid_sect;
|
|
if (elf_find_section(fmap_link, ".note.gnu.build-id", SHT_NULL, &buildid_sect))
|
|
{
|
|
const uint32_t* note;
|
|
|
|
note = (const uint32_t*)image_map_section(&buildid_sect);
|
|
if (note != IMAGE_NO_MAP)
|
|
{
|
|
/* the usual ELF note structure: name-size desc-size type <name> <desc> */
|
|
if (note[2] == NT_GNU_BUILD_ID)
|
|
{
|
|
if (note[1] == idlen &&
|
|
!memcmp(note + 3 + ((note[0] + 3) >> 2), idend - idlen, idlen))
|
|
{
|
|
TRACE("Located debug information file at %s\n", debugstr_w(p));
|
|
HeapFree(GetProcessHeap(), 0, p);
|
|
fmap->u.elf.alternate = fmap_link;
|
|
return TRUE;
|
|
}
|
|
WARN("mismatch in buildid information for %s\n", wine_dbgstr_w(p));
|
|
}
|
|
}
|
|
image_unmap_section(&buildid_sect);
|
|
}
|
|
elf_unmap_file(fmap_link);
|
|
}
|
|
|
|
TRACE("not found\n");
|
|
HeapFree(GetProcessHeap(), 0, p);
|
|
HeapFree(GetProcessHeap(), 0, fmap_link);
|
|
return FALSE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_check_alternate
|
|
*
|
|
* Load alternate files for a given ELF file, looking at either .note.gnu_build-id
|
|
* or .gnu_debuglink sections.
|
|
*/
|
|
static BOOL elf_check_alternate(struct image_file_map* fmap, const struct module* module)
|
|
{
|
|
BOOL ret = FALSE;
|
|
BOOL found = FALSE;
|
|
struct image_section_map buildid_sect, debuglink_sect;
|
|
|
|
/* if present, add the .gnu_debuglink file as an alternate to current one */
|
|
if (elf_find_section(fmap, ".note.gnu.build-id", SHT_NULL, &buildid_sect))
|
|
{
|
|
const uint32_t* note;
|
|
|
|
found = TRUE;
|
|
note = (const uint32_t*)image_map_section(&buildid_sect);
|
|
if (note != IMAGE_NO_MAP)
|
|
{
|
|
/* the usual ELF note structure: name-size desc-size type <name> <desc> */
|
|
if (note[2] == NT_GNU_BUILD_ID)
|
|
{
|
|
ret = elf_locate_build_id_target(fmap, (const BYTE*)(note + 3 + ((note[0] + 3) >> 2)), note[1]);
|
|
}
|
|
}
|
|
image_unmap_section(&buildid_sect);
|
|
}
|
|
/* if present, add the .gnu_debuglink file as an alternate to current one */
|
|
if (!ret && elf_find_section(fmap, ".gnu_debuglink", SHT_NULL, &debuglink_sect))
|
|
{
|
|
const char* dbg_link;
|
|
|
|
found = TRUE;
|
|
dbg_link = (const char*)image_map_section(&debuglink_sect);
|
|
if (dbg_link != IMAGE_NO_MAP)
|
|
{
|
|
/* The content of a debug link section is:
|
|
* 1/ a NULL terminated string, containing the file name for the
|
|
* debug info
|
|
* 2/ padding on 4 byte boundary
|
|
* 3/ CRC of the linked ELF file
|
|
*/
|
|
DWORD crc = *(const DWORD*)(dbg_link + ((DWORD_PTR)(strlen(dbg_link) + 4) & ~3));
|
|
ret = elf_locate_debug_link(fmap, dbg_link, module->module.LoadedImageName, crc);
|
|
if (!ret)
|
|
WARN("Couldn't load linked debug file for %s\n",
|
|
debugstr_w(module->module.ModuleName));
|
|
}
|
|
image_unmap_section(&debuglink_sect);
|
|
}
|
|
return found ? ret : TRUE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_load_debug_info_from_map
|
|
*
|
|
* Loads the symbolic information from ELF module which mapping is described
|
|
* in fmap
|
|
* the module has been loaded at 'load_offset' address, so symbols' address
|
|
* relocation is performed.
|
|
* CRC is checked if fmap->with_crc is TRUE
|
|
* returns
|
|
* 0 if the file doesn't contain symbolic info (or this info cannot be
|
|
* read or parsed)
|
|
* 1 on success
|
|
*/
|
|
static BOOL elf_load_debug_info_from_map(struct module* module,
|
|
struct image_file_map* fmap,
|
|
struct pool* pool,
|
|
struct hash_table* ht_symtab)
|
|
{
|
|
BOOL ret = FALSE, lret;
|
|
struct elf_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 */
|
|
{NULL, 0, 0, 0}
|
|
};
|
|
|
|
module->module.SymType = SymExport;
|
|
|
|
/* create a hash table for the symtab */
|
|
elf_hash_symtab(module, pool, ht_symtab, fmap, thunks);
|
|
|
|
if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
|
|
{
|
|
struct image_section_map stab_sect, stabstr_sect;
|
|
|
|
/* check if we need an alternate file (from debuglink or build-id) */
|
|
ret = elf_check_alternate(fmap, module);
|
|
|
|
if (elf_find_section(fmap, ".stab", SHT_NULL, &stab_sect) &&
|
|
elf_find_section(fmap, ".stabstr", SHT_NULL, &stabstr_sect))
|
|
{
|
|
const char* stab;
|
|
const char* stabstr;
|
|
|
|
stab = image_map_section(&stab_sect);
|
|
stabstr = image_map_section(&stabstr_sect);
|
|
if (stab != IMAGE_NO_MAP && stabstr != IMAGE_NO_MAP)
|
|
{
|
|
/* OK, now just parse all of the stabs. */
|
|
lret = stabs_parse(module, module->format_info[DFI_ELF]->u.elf_info->elf_addr,
|
|
stab, image_get_map_size(&stab_sect),
|
|
stabstr, image_get_map_size(&stabstr_sect),
|
|
NULL, NULL);
|
|
if (lret)
|
|
/* and fill in the missing information for stabs */
|
|
elf_finish_stabs_info(module, ht_symtab);
|
|
else
|
|
WARN("Couldn't correctly read stabs\n");
|
|
ret = ret || lret;
|
|
}
|
|
image_unmap_section(&stab_sect);
|
|
image_unmap_section(&stabstr_sect);
|
|
}
|
|
lret = dwarf2_parse(module, module->reloc_delta, thunks, fmap);
|
|
ret = ret || lret;
|
|
}
|
|
if (strstrW(module->module.ModuleName, S_ElfW) ||
|
|
!strcmpW(module->module.ModuleName, S_WineLoaderW))
|
|
{
|
|
/* add the thunks for native libraries */
|
|
if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
|
|
elf_new_wine_thunks(module, ht_symtab, thunks);
|
|
}
|
|
/* add all the public symbols from symtab */
|
|
if (elf_new_public_symbols(module, ht_symtab) && !ret) ret = TRUE;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_load_debug_info
|
|
*
|
|
* Loads ELF debugging information from the module image file.
|
|
*/
|
|
BOOL elf_load_debug_info(struct module* module)
|
|
{
|
|
BOOL ret = TRUE;
|
|
struct pool pool;
|
|
struct hash_table ht_symtab;
|
|
struct module_format* modfmt;
|
|
|
|
if (module->type != DMT_ELF || !(modfmt = module->format_info[DFI_ELF]) || !modfmt->u.elf_info)
|
|
{
|
|
ERR("Bad elf module '%s'\n", debugstr_w(module->module.LoadedImageName));
|
|
return FALSE;
|
|
}
|
|
|
|
pool_init(&pool, 65536);
|
|
hash_table_init(&pool, &ht_symtab, 256);
|
|
|
|
ret = elf_load_debug_info_from_map(module, &modfmt->u.elf_info->file_map, &pool, &ht_symtab);
|
|
|
|
pool_destroy(&pool);
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_fetch_file_info
|
|
*
|
|
* Gathers some more information for an ELF module from a given file
|
|
*/
|
|
BOOL elf_fetch_file_info(const WCHAR* name, DWORD_PTR* base,
|
|
DWORD* size, DWORD* checksum)
|
|
{
|
|
struct image_file_map fmap;
|
|
|
|
struct elf_map_file_data emfd;
|
|
|
|
emfd.kind = from_file;
|
|
emfd.u.file.filename = name;
|
|
if (!elf_map_file(&emfd, &fmap)) return FALSE;
|
|
if (base) *base = fmap.u.elf.elf_start;
|
|
*size = fmap.u.elf.elf_size;
|
|
*checksum = calc_crc32(fmap.u.elf.fd);
|
|
elf_unmap_file(&fmap);
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL elf_load_file_from_fmap(struct process* pcs, const WCHAR* filename,
|
|
struct image_file_map* fmap, unsigned long load_offset,
|
|
unsigned long dyn_addr, struct elf_info* elf_info)
|
|
{
|
|
BOOL ret = FALSE;
|
|
|
|
if (elf_info->flags & ELF_INFO_DEBUG_HEADER)
|
|
{
|
|
struct image_section_map ism;
|
|
|
|
if (elf_find_section(fmap, ".dynamic", SHT_DYNAMIC, &ism))
|
|
{
|
|
Elf_Dyn dyn;
|
|
char* ptr = (char*)fmap->u.elf.sect[ism.sidx].shdr.sh_addr;
|
|
unsigned long len;
|
|
|
|
if (load_offset) ptr += load_offset - fmap->u.elf.elf_start;
|
|
|
|
do
|
|
{
|
|
if (!ReadProcessMemory(pcs->handle, ptr, &dyn, sizeof(dyn), &len) ||
|
|
len != sizeof(dyn))
|
|
return ret;
|
|
if (dyn.d_tag == DT_DEBUG)
|
|
{
|
|
elf_info->dbg_hdr_addr = dyn.d_un.d_ptr;
|
|
if (load_offset == 0 && dyn_addr == 0) /* likely the case */
|
|
/* Assume this module (the Wine loader) has been loaded at its preferred address */
|
|
dyn_addr = ism.fmap->u.elf.sect[ism.sidx].shdr.sh_addr;
|
|
break;
|
|
}
|
|
ptr += sizeof(dyn);
|
|
} while (dyn.d_tag != DT_NULL);
|
|
if (dyn.d_tag == DT_NULL) return ret;
|
|
}
|
|
elf_end_find(fmap);
|
|
}
|
|
|
|
if (elf_info->flags & ELF_INFO_MODULE)
|
|
{
|
|
struct elf_module_info *elf_module_info;
|
|
struct module_format* modfmt;
|
|
struct image_section_map ism;
|
|
unsigned long modbase = load_offset;
|
|
|
|
if (elf_find_section(fmap, ".dynamic", SHT_DYNAMIC, &ism))
|
|
{
|
|
unsigned long rva_dyn = elf_get_map_rva(&ism);
|
|
|
|
TRACE("For module %s, got ELF (start=%lx dyn=%lx), link_map (start=%lx dyn=%lx)\n",
|
|
debugstr_w(filename), (unsigned long)fmap->u.elf.elf_start, rva_dyn,
|
|
load_offset, dyn_addr);
|
|
if (dyn_addr && load_offset + rva_dyn != dyn_addr)
|
|
{
|
|
WARN("\thave to relocate: %lx\n", dyn_addr - rva_dyn);
|
|
modbase = dyn_addr - rva_dyn;
|
|
}
|
|
} else WARN("For module %s, no .dynamic section\n", debugstr_w(filename));
|
|
elf_end_find(fmap);
|
|
|
|
modfmt = HeapAlloc(GetProcessHeap(), 0,
|
|
sizeof(struct module_format) + sizeof(struct elf_module_info));
|
|
if (!modfmt) return FALSE;
|
|
elf_info->module = module_new(pcs, filename, DMT_ELF, FALSE, modbase,
|
|
fmap->u.elf.elf_size, 0, calc_crc32(fmap->u.elf.fd));
|
|
if (!elf_info->module)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, modfmt);
|
|
return FALSE;
|
|
}
|
|
elf_info->module->reloc_delta = elf_info->module->module.BaseOfImage - fmap->u.elf.elf_start;
|
|
elf_module_info = (void*)(modfmt + 1);
|
|
elf_info->module->format_info[DFI_ELF] = modfmt;
|
|
modfmt->module = elf_info->module;
|
|
modfmt->remove = elf_module_remove;
|
|
modfmt->loc_compute = NULL;
|
|
modfmt->u.elf_info = elf_module_info;
|
|
|
|
elf_module_info->elf_addr = load_offset;
|
|
|
|
elf_module_info->file_map = *fmap;
|
|
elf_reset_file_map(fmap);
|
|
if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
|
|
{
|
|
elf_info->module->module.SymType = SymDeferred;
|
|
ret = TRUE;
|
|
}
|
|
else ret = elf_load_debug_info(elf_info->module);
|
|
|
|
elf_module_info->elf_mark = 1;
|
|
elf_module_info->elf_loader = 0;
|
|
} else ret = TRUE;
|
|
|
|
if (elf_info->flags & ELF_INFO_NAME)
|
|
{
|
|
WCHAR* ptr;
|
|
ptr = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(filename) + 1) * sizeof(WCHAR));
|
|
if (ptr)
|
|
{
|
|
strcpyW(ptr, filename);
|
|
elf_info->module_name = ptr;
|
|
}
|
|
else ret = FALSE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************
|
|
* 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
|
|
*/
|
|
static BOOL elf_load_file(struct process* pcs, const WCHAR* filename,
|
|
unsigned long load_offset, unsigned long dyn_addr,
|
|
struct elf_info* elf_info)
|
|
{
|
|
BOOL ret = FALSE;
|
|
struct image_file_map fmap;
|
|
struct elf_map_file_data emfd;
|
|
|
|
TRACE("Processing elf file '%s' at %08lx\n", debugstr_w(filename), load_offset);
|
|
|
|
emfd.kind = from_file;
|
|
emfd.u.file.filename = filename;
|
|
if (!elf_map_file(&emfd, &fmap)) return ret;
|
|
|
|
/* 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.
|
|
*/
|
|
if (!fmap.u.elf.elf_start && !load_offset)
|
|
ERR("Relocatable ELF %s, but no load address. Loading at 0x0000000\n",
|
|
debugstr_w(filename));
|
|
|
|
ret = elf_load_file_from_fmap(pcs, filename, &fmap, load_offset, dyn_addr, elf_info);
|
|
|
|
elf_unmap_file(&fmap);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_load_file_from_path
|
|
* tries to load an ELF file from a set of paths (separated by ':')
|
|
*/
|
|
static BOOL elf_load_file_from_path(HANDLE hProcess,
|
|
const WCHAR* filename,
|
|
unsigned long load_offset,
|
|
unsigned long dyn_addr,
|
|
const char* path,
|
|
struct elf_info* elf_info)
|
|
{
|
|
BOOL ret = FALSE;
|
|
WCHAR *s, *t, *fn;
|
|
WCHAR* pathW = NULL;
|
|
unsigned len;
|
|
|
|
if (!path) return FALSE;
|
|
|
|
len = MultiByteToWideChar(CP_UNIXCP, 0, path, -1, NULL, 0);
|
|
pathW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
|
|
if (!pathW) return FALSE;
|
|
MultiByteToWideChar(CP_UNIXCP, 0, path, -1, pathW, len);
|
|
|
|
for (s = pathW; s && *s; s = (t) ? (t+1) : NULL)
|
|
{
|
|
t = strchrW(s, ':');
|
|
if (t) *t = '\0';
|
|
fn = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(filename) + 1 + lstrlenW(s) + 1) * sizeof(WCHAR));
|
|
if (!fn) break;
|
|
strcpyW(fn, s);
|
|
strcatW(fn, S_SlashW);
|
|
strcatW(fn, filename);
|
|
ret = elf_load_file(hProcess, fn, load_offset, dyn_addr, elf_info);
|
|
HeapFree(GetProcessHeap(), 0, fn);
|
|
if (ret) break;
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, pathW);
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_load_file_from_dll_path
|
|
*
|
|
* Tries to load an ELF file from the dll path
|
|
*/
|
|
static BOOL elf_load_file_from_dll_path(HANDLE hProcess,
|
|
const WCHAR* filename,
|
|
unsigned long load_offset,
|
|
unsigned long dyn_addr,
|
|
struct elf_info* elf_info)
|
|
{
|
|
BOOL ret = FALSE;
|
|
unsigned int index = 0;
|
|
const char *path;
|
|
|
|
while (!ret && (path = wine_dll_enum_load_path( index++ )))
|
|
{
|
|
WCHAR *name;
|
|
unsigned len;
|
|
|
|
len = MultiByteToWideChar(CP_UNIXCP, 0, path, -1, NULL, 0);
|
|
|
|
name = HeapAlloc( GetProcessHeap(), 0,
|
|
(len + lstrlenW(filename) + 2) * sizeof(WCHAR) );
|
|
|
|
if (!name) break;
|
|
MultiByteToWideChar(CP_UNIXCP, 0, path, -1, name, len);
|
|
strcatW( name, S_SlashW );
|
|
strcatW( name, filename );
|
|
ret = elf_load_file(hProcess, name, load_offset, dyn_addr, elf_info);
|
|
HeapFree( GetProcessHeap(), 0, name );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#ifdef AT_SYSINFO_EHDR
|
|
/******************************************************************
|
|
* elf_search_auxv
|
|
*
|
|
* locate some a value from the debuggee auxiliary vector
|
|
*/
|
|
static BOOL elf_search_auxv(const struct process* pcs, unsigned type, unsigned long* val)
|
|
{
|
|
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
|
|
SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
|
|
void* addr;
|
|
void* str;
|
|
void* str_max;
|
|
Elf_auxv_t auxv;
|
|
|
|
si->SizeOfStruct = sizeof(*si);
|
|
si->MaxNameLen = MAX_SYM_NAME;
|
|
if (!SymFromName(pcs->handle, "libwine.so.1!__wine_main_environ", si) ||
|
|
!(addr = (void*)(DWORD_PTR)si->Address) ||
|
|
!ReadProcessMemory(pcs->handle, addr, &addr, sizeof(addr), NULL) ||
|
|
!addr)
|
|
{
|
|
FIXME("can't find symbol in module\n");
|
|
return FALSE;
|
|
}
|
|
/* walk through envp[] */
|
|
/* envp[] strings are located after the auxiliary vector, so protect the walk */
|
|
str_max = (void*)(DWORD_PTR)~0L;
|
|
while (ReadProcessMemory(pcs->handle, addr, &str, sizeof(str), NULL) &&
|
|
(addr = (void*)((DWORD_PTR)addr + sizeof(str))) != NULL && str != NULL)
|
|
str_max = min(str_max, str);
|
|
|
|
/* Walk through the end of envp[] array.
|
|
* Actually, there can be several NULLs at the end of envp[]. This happens when an env variable is
|
|
* deleted, the last entry is replaced by an extra NULL.
|
|
*/
|
|
while (addr < str_max && ReadProcessMemory(pcs->handle, addr, &str, sizeof(str), NULL) && str == NULL)
|
|
addr = (void*)((DWORD_PTR)addr + sizeof(str));
|
|
|
|
while (ReadProcessMemory(pcs->handle, addr, &auxv, sizeof(auxv), NULL) && auxv.a_type != AT_NULL)
|
|
{
|
|
if (auxv.a_type == type)
|
|
{
|
|
*val = auxv.a_un.a_val;
|
|
return TRUE;
|
|
}
|
|
addr = (void*)((DWORD_PTR)addr + sizeof(auxv));
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************
|
|
* elf_search_and_load_file
|
|
*
|
|
* lookup a file in standard ELF locations, and if found, load it
|
|
*/
|
|
static BOOL elf_search_and_load_file(struct process* pcs, const WCHAR* filename,
|
|
unsigned long load_offset, unsigned long dyn_addr,
|
|
struct elf_info* elf_info)
|
|
{
|
|
BOOL ret = FALSE;
|
|
struct module* module;
|
|
static const WCHAR S_libstdcPPW[] = {'l','i','b','s','t','d','c','+','+','\0'};
|
|
|
|
if (filename == NULL || *filename == '\0') return FALSE;
|
|
if ((module = module_is_already_loaded(pcs, filename)))
|
|
{
|
|
elf_info->module = module;
|
|
elf_info->module->format_info[DFI_ELF]->u.elf_info->elf_mark = 1;
|
|
return module->module.SymType;
|
|
}
|
|
|
|
if (strstrW(filename, S_libstdcPPW)) return FALSE; /* We know we can't do it */
|
|
ret = elf_load_file(pcs, filename, load_offset, dyn_addr, elf_info);
|
|
/* if relative pathname, try some absolute base dirs */
|
|
if (!ret && !strchrW(filename, '/'))
|
|
{
|
|
ret = elf_load_file_from_path(pcs, filename, load_offset, dyn_addr,
|
|
getenv("PATH"), elf_info) ||
|
|
elf_load_file_from_path(pcs, filename, load_offset, dyn_addr,
|
|
getenv("LD_LIBRARY_PATH"), elf_info);
|
|
if (!ret) ret = elf_load_file_from_dll_path(pcs, filename,
|
|
load_offset, dyn_addr, elf_info);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
typedef BOOL (*enum_elf_modules_cb)(const WCHAR*, unsigned long load_addr,
|
|
unsigned long dyn_addr, BOOL is_system, void* user);
|
|
|
|
/******************************************************************
|
|
* elf_enum_modules_internal
|
|
*
|
|
* Enumerate ELF modules from a running process
|
|
*/
|
|
static BOOL elf_enum_modules_internal(const struct process* pcs,
|
|
const WCHAR* main_name,
|
|
enum_elf_modules_cb cb, void* user)
|
|
{
|
|
struct r_debug dbg_hdr;
|
|
void* lm_addr;
|
|
struct link_map lm;
|
|
char bufstr[256];
|
|
WCHAR bufstrW[MAX_PATH];
|
|
|
|
if (!pcs->dbg_hdr_addr ||
|
|
!ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr,
|
|
&dbg_hdr, sizeof(dbg_hdr), NULL))
|
|
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)
|
|
{
|
|
if (!ReadProcessMemory(pcs->handle, lm_addr, &lm, sizeof(lm), NULL))
|
|
return FALSE;
|
|
|
|
if (lm.l_prev != NULL && /* skip first entry, normally debuggee itself */
|
|
lm.l_name != NULL &&
|
|
ReadProcessMemory(pcs->handle, lm.l_name, bufstr, sizeof(bufstr), NULL))
|
|
{
|
|
bufstr[sizeof(bufstr) - 1] = '\0';
|
|
MultiByteToWideChar(CP_UNIXCP, 0, bufstr, -1, bufstrW, sizeof(bufstrW) / sizeof(WCHAR));
|
|
if (main_name && !bufstrW[0]) strcpyW(bufstrW, main_name);
|
|
if (!cb(bufstrW, (unsigned long)lm.l_addr, (unsigned long)lm.l_ld, FALSE, user)) break;
|
|
}
|
|
}
|
|
|
|
#ifdef AT_SYSINFO_EHDR
|
|
if (!lm_addr)
|
|
{
|
|
unsigned long ehdr_addr;
|
|
|
|
if (elf_search_auxv(pcs, AT_SYSINFO_EHDR, &ehdr_addr))
|
|
{
|
|
static const WCHAR vdsoW[] = {'[','v','d','s','o',']','.','s','o',0};
|
|
cb(vdsoW, ehdr_addr, 0, TRUE, user);
|
|
}
|
|
}
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_search_loader
|
|
*
|
|
* 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.
|
|
*/
|
|
static BOOL elf_search_loader(struct process* pcs, struct elf_info* elf_info)
|
|
{
|
|
PROCESS_BASIC_INFORMATION pbi;
|
|
ULONG_PTR base = 0;
|
|
|
|
if (!NtQueryInformationProcess( pcs->handle, ProcessBasicInformation, &pbi, sizeof(pbi), NULL ))
|
|
ReadProcessMemory( pcs->handle, &pbi.PebBaseAddress->Reserved[0], &base, sizeof(base), NULL );
|
|
|
|
return elf_search_and_load_file(pcs, get_wine_loader_name(), base, 0, elf_info);
|
|
}
|
|
|
|
/******************************************************************
|
|
* 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;
|
|
elf_info.module->format_info[DFI_ELF]->u.elf_info->elf_loader = 1;
|
|
module_set_module(elf_info.module, S_WineLoaderW);
|
|
return (pcs->dbg_hdr_addr = elf_info.dbg_hdr_addr) != 0;
|
|
}
|
|
|
|
struct elf_enum_user
|
|
{
|
|
enum_modules_cb cb;
|
|
void* user;
|
|
};
|
|
|
|
static BOOL elf_enum_modules_translate(const WCHAR* name, unsigned long load_addr,
|
|
unsigned long dyn_addr, BOOL is_system, void* user)
|
|
{
|
|
struct elf_enum_user* eeu = user;
|
|
return eeu->cb(name, load_addr, eeu->user);
|
|
}
|
|
|
|
/******************************************************************
|
|
* 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, enum_modules_cb cb, void* user)
|
|
{
|
|
struct process pcs;
|
|
struct elf_info elf_info;
|
|
BOOL ret;
|
|
struct elf_enum_user eeu;
|
|
|
|
memset(&pcs, 0, sizeof(pcs));
|
|
pcs.handle = hProc;
|
|
elf_info.flags = ELF_INFO_DEBUG_HEADER | ELF_INFO_NAME;
|
|
if (!elf_search_loader(&pcs, &elf_info)) return FALSE;
|
|
pcs.dbg_hdr_addr = elf_info.dbg_hdr_addr;
|
|
eeu.cb = cb;
|
|
eeu.user = user;
|
|
ret = elf_enum_modules_internal(&pcs, elf_info.module_name, elf_enum_modules_translate, &eeu);
|
|
HeapFree(GetProcessHeap(), 0, (char*)elf_info.module_name);
|
|
return ret;
|
|
}
|
|
|
|
struct elf_load
|
|
{
|
|
struct process* pcs;
|
|
struct elf_info elf_info;
|
|
const WCHAR* 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 WCHAR* name, unsigned long load_addr,
|
|
unsigned long dyn_addr, BOOL is_system, void* user)
|
|
{
|
|
struct elf_load* el = user;
|
|
BOOL ret = TRUE;
|
|
const WCHAR* p;
|
|
|
|
if (is_system) /* virtual ELF module, created by system. handle it from memory */
|
|
{
|
|
struct module* module;
|
|
struct elf_map_file_data emfd;
|
|
struct image_file_map fmap;
|
|
|
|
if ((module = module_is_already_loaded(el->pcs, name)))
|
|
{
|
|
el->elf_info.module = module;
|
|
el->elf_info.module->format_info[DFI_ELF]->u.elf_info->elf_mark = 1;
|
|
return module->module.SymType;
|
|
}
|
|
|
|
emfd.kind = from_process;
|
|
emfd.u.process.handle = el->pcs->handle;
|
|
emfd.u.process.load_addr = (void*)load_addr;
|
|
|
|
if (elf_map_file(&emfd, &fmap))
|
|
el->ret = elf_load_file_from_fmap(el->pcs, name, &fmap, load_addr, 0, &el->elf_info);
|
|
return TRUE;
|
|
}
|
|
if (el->name)
|
|
{
|
|
/* memcmp is needed for matches when bufstr contains also version information
|
|
* el->name: libc.so, name: libc.so.6.0
|
|
*/
|
|
p = strrchrW(name, '/');
|
|
if (!p++) p = name;
|
|
}
|
|
|
|
if (!el->name || !memcmp(p, el->name, lstrlenW(el->name) * sizeof(WCHAR)))
|
|
{
|
|
el->ret = elf_search_and_load_file(el->pcs, name, load_addr, dyn_addr, &el->elf_info);
|
|
if (el->name) ret = FALSE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_load_module
|
|
*
|
|
* loads an ELF module and stores it in process' module list
|
|
* Also, find module real name and load address from
|
|
* the real loaded modules list in pcs address space
|
|
*/
|
|
struct module* elf_load_module(struct process* pcs, const WCHAR* name, unsigned long addr)
|
|
{
|
|
struct elf_load el;
|
|
|
|
TRACE("(%p %s %08lx)\n", pcs, debugstr_w(name), addr);
|
|
|
|
el.elf_info.flags = ELF_INFO_MODULE;
|
|
el.ret = FALSE;
|
|
|
|
if (pcs->dbg_hdr_addr) /* we're debugging a life target */
|
|
{
|
|
el.pcs = pcs;
|
|
/* do only the lookup from the filename, not the path (as we lookup module
|
|
* name in the process' loaded module list)
|
|
*/
|
|
el.name = strrchrW(name, '/');
|
|
if (!el.name++) el.name = name;
|
|
el.ret = FALSE;
|
|
|
|
if (!elf_enum_modules_internal(pcs, NULL, elf_load_cb, &el))
|
|
return NULL;
|
|
}
|
|
else if (addr)
|
|
{
|
|
el.name = name;
|
|
el.ret = elf_search_and_load_file(pcs, el.name, addr, 0, &el.elf_info);
|
|
}
|
|
if (!el.ret) return NULL;
|
|
assert(el.elf_info.module);
|
|
return el.elf_info.module;
|
|
}
|
|
|
|
/******************************************************************
|
|
* elf_synchronize_module_list
|
|
*
|
|
* this function rescans the debuggee module's list and synchronizes it with
|
|
* the one from 'pcs', i.e.:
|
|
* - 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_load el;
|
|
|
|
for (module = pcs->lmodules; module; module = module->next)
|
|
{
|
|
if (module->type == DMT_ELF && !module->is_virtual)
|
|
module->format_info[DFI_ELF]->u.elf_info->elf_mark = 0;
|
|
}
|
|
|
|
el.pcs = pcs;
|
|
el.elf_info.flags = ELF_INFO_MODULE;
|
|
el.ret = FALSE;
|
|
el.name = NULL; /* fetch all modules */
|
|
|
|
if (!elf_enum_modules_internal(pcs, NULL, elf_load_cb, &el))
|
|
return FALSE;
|
|
|
|
module = pcs->lmodules;
|
|
while (module)
|
|
{
|
|
if (module->type == DMT_ELF && !module->is_virtual)
|
|
{
|
|
struct elf_module_info* elf_info = module->format_info[DFI_ELF]->u.elf_info;
|
|
|
|
if (!elf_info->elf_mark && !elf_info->elf_loader)
|
|
{
|
|
module_remove(pcs, module);
|
|
/* restart all over */
|
|
module = pcs->lmodules;
|
|
continue;
|
|
}
|
|
}
|
|
module = module->next;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
#else /* !__ELF__ */
|
|
|
|
BOOL elf_find_section(struct image_file_map* fmap, const char* name,
|
|
unsigned sht, struct image_section_map* ism)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
const char* elf_map_section(struct image_section_map* ism)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
void elf_unmap_section(struct image_section_map* ism)
|
|
{}
|
|
|
|
unsigned elf_get_map_size(const struct image_section_map* ism)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
DWORD_PTR elf_get_map_rva(const struct image_section_map* ism)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
BOOL elf_synchronize_module_list(struct process* pcs)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL elf_fetch_file_info(const WCHAR* name, DWORD_PTR* base,
|
|
DWORD* size, DWORD* checksum)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL elf_read_wine_loader_dbg_info(struct process* pcs)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL elf_enum_modules(HANDLE hProc, enum_modules_cb cb, void* user)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
struct module* elf_load_module(struct process* pcs, const WCHAR* name, unsigned long addr)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
BOOL elf_load_debug_info(struct module* module)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
int elf_is_in_thunk_area(unsigned long addr,
|
|
const struct elf_thunk_area* thunks)
|
|
{
|
|
return -1;
|
|
}
|
|
#endif /* __ELF__ */
|