| /* |
| * File macho_module.c - processing of Mach-O files |
| * Originally based on elf_module.c |
| * |
| * Copyright (C) 1996, Eric Youngdale. |
| * 1999-2007 Eric Pouech |
| * 2009 Ken Thomases, CodeWeavers Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include "dbghelp_private.h" |
| |
| #ifdef HAVE_MACH_O_LOADER_H |
| |
| #include <assert.h> |
| #include <stdarg.h> |
| #ifdef HAVE_SYS_STAT_H |
| # include <sys/stat.h> |
| #endif |
| #ifdef HAVE_SYS_MMAN_H |
| # include <sys/mman.h> |
| #endif |
| |
| #include <mach-o/fat.h> |
| #include <mach-o/loader.h> |
| #include <mach-o/nlist.h> |
| |
| #ifdef HAVE_MACH_O_DYLD_IMAGES_H |
| #include <mach-o/dyld_images.h> |
| #else |
| struct dyld_image_info { |
| const struct mach_header *imageLoadAddress; |
| const char *imageFilePath; |
| uintptr_t imageFileModDate; |
| }; |
| |
| struct dyld_all_image_infos { |
| uint32_t version; |
| uint32_t infoArrayCount; |
| const struct dyld_image_info *infoArray; |
| void* notification; |
| int processDetachedFromSharedRegion; |
| }; |
| #endif |
| |
| #include "winternl.h" |
| #include "wine/library.h" |
| #include "wine/debug.h" |
| |
| #ifdef WORDS_BIGENDIAN |
| #define swap_ulong_be_to_host(n) (n) |
| #else |
| #define swap_ulong_be_to_host(n) (RtlUlongByteSwap(n)) |
| #endif |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_macho); |
| |
| |
| struct macho_module_info |
| { |
| unsigned long load_addr; |
| unsigned short in_use : 1, |
| is_loader : 1; |
| }; |
| |
| #define MACHO_INFO_DEBUG_HEADER 0x0001 |
| #define MACHO_INFO_MODULE 0x0002 |
| #define MACHO_INFO_NAME 0x0004 |
| |
| struct macho_info |
| { |
| unsigned flags; /* IN one (or several) of the MACHO_INFO constants */ |
| unsigned long dbg_hdr_addr; /* OUT address of debug header (if MACHO_INFO_DEBUG_HEADER is set) */ |
| struct module* module; /* OUT loaded module (if MACHO_INFO_MODULE is set) */ |
| const WCHAR* module_name; /* OUT found module name (if MACHO_INFO_NAME is set) */ |
| }; |
| |
| /* structure holding information while handling a Mach-O image */ |
| #define BITS_PER_ULONG (sizeof(ULONG) * 8) |
| #define ULONGS_FOR_BITS(nbits) (((nbits) + BITS_PER_ULONG - 1) / BITS_PER_ULONG) |
| struct macho_file_map |
| { |
| /* A copy of the Mach-O header for an individual architecture. */ |
| struct mach_header mach_header; |
| |
| /* The mapped load commands. */ |
| const struct load_command* load_commands; |
| |
| /* The portion of the file which is this architecture. mach_header was |
| * read from arch_offset. */ |
| unsigned arch_offset; |
| unsigned arch_size; |
| |
| /* The range of address space covered by all segments. */ |
| size_t segs_start; |
| size_t segs_size; |
| |
| /* Map of which sections contain code. Sections are accessed using 1-based |
| * index. Bit 0 of this bitset indicates if the bitset has been initialized. */ |
| RTL_BITMAP sect_is_code; |
| ULONG sect_is_code_buff[ULONGS_FOR_BITS(MAX_SECT + 1)]; |
| |
| /* The file. */ |
| int fd; |
| }; |
| |
| static void macho_unmap_file(struct macho_file_map* fmap); |
| |
| /****************************************************************** |
| * macho_calc_range |
| * |
| * For a range (offset & length) of a single architecture within |
| * a Mach-O file, calculate the page-aligned range of the whole file |
| * that encompasses it. For a fat binary, the architecture will |
| * itself be offset within the file, so take that into account. |
| */ |
| static void macho_calc_range(const struct macho_file_map* fmap, unsigned offset, |
| unsigned len, unsigned* out_aligned_offset, |
| unsigned* out_aligned_end, unsigned* out_aligned_len, |
| unsigned* out_misalign) |
| { |
| unsigned pagemask = getpagesize() - 1; |
| unsigned file_offset, misalign; |
| |
| file_offset = fmap->arch_offset + offset; |
| misalign = file_offset & pagemask; |
| *out_aligned_offset = file_offset - misalign; |
| *out_aligned_end = (file_offset + len + pagemask) & ~pagemask; |
| if (out_aligned_len) |
| *out_aligned_len = *out_aligned_end - *out_aligned_offset; |
| if (out_misalign) |
| *out_misalign = misalign; |
| } |
| |
| /****************************************************************** |
| * macho_map_range |
| * |
| * Maps a range (offset, length in bytes) from a Mach-O file into memory |
| */ |
| static const char* macho_map_range(const struct macho_file_map* fmap, unsigned offset, unsigned len) |
| { |
| unsigned misalign, aligned_offset, aligned_map_end, map_size; |
| const void* aligned_ptr; |
| |
| TRACE("(%p/%d, 0x%08x, 0x%08x)\n", fmap, fmap->fd, offset, len); |
| |
| macho_calc_range(fmap, offset, len, &aligned_offset, &aligned_map_end, |
| &map_size, &misalign); |
| |
| aligned_ptr = mmap(NULL, map_size, PROT_READ, MAP_PRIVATE, fmap->fd, aligned_offset); |
| |
| TRACE("Mapped (0x%08x - 0x%08x) to %p\n", aligned_offset, aligned_map_end, aligned_ptr); |
| |
| if (aligned_ptr == MAP_FAILED) return MACHO_NO_MAP; |
| return (const char*)aligned_ptr + misalign; |
| } |
| |
| /****************************************************************** |
| * macho_unmap_range |
| * |
| * Unmaps a range (offset, length in bytes) of a Mach-O file from memory |
| */ |
| static void macho_unmap_range(const void** mapped, const struct macho_file_map* fmap, |
| unsigned offset, unsigned len) |
| { |
| TRACE("(%p, %p/%d, 0x%08x, 0x%08x)\n", mapped, fmap, fmap->fd, offset, len); |
| |
| if (mapped && *mapped != MACHO_NO_MAP) |
| { |
| unsigned misalign, aligned_offset, aligned_map_end, map_size; |
| void* aligned_ptr; |
| |
| macho_calc_range(fmap, offset, len, &aligned_offset, &aligned_map_end, |
| &map_size, &misalign); |
| |
| aligned_ptr = (char*)*mapped - misalign; |
| if (munmap(aligned_ptr, map_size) < 0) |
| WARN("Couldn't unmap the range\n"); |
| TRACE("Unmapped (0x%08x - 0x%08x) from %p - %p\n", aligned_offset, aligned_map_end, aligned_ptr, (char*)aligned_ptr + map_size); |
| *mapped = MACHO_NO_MAP; |
| } |
| } |
| |
| /****************************************************************** |
| * macho_map_ranges |
| * |
| * Maps two ranges (offset, length in bytes) from a Mach-O file |
| * into memory. If the two ranges overlap, use one mmap so that |
| * the munmap doesn't fragment the mapping. |
| */ |
| static BOOL macho_map_ranges(const struct macho_file_map* fmap, |
| unsigned offset1, unsigned len1, |
| unsigned offset2, unsigned len2, |
| const void** mapped1, const void** mapped2) |
| { |
| unsigned aligned_offset1, aligned_map_end1; |
| unsigned aligned_offset2, aligned_map_end2; |
| |
| TRACE("(%p/%d, 0x%08x, 0x%08x, 0x%08x, 0x%08x, %p, %p)\n", fmap, fmap->fd, |
| offset1, len1, offset2, len2, mapped1, mapped2); |
| |
| macho_calc_range(fmap, offset1, len1, &aligned_offset1, &aligned_map_end1, NULL, NULL); |
| macho_calc_range(fmap, offset2, len2, &aligned_offset2, &aligned_map_end2, NULL, NULL); |
| |
| if (aligned_map_end1 < aligned_offset2 || aligned_map_end2 < aligned_offset1) |
| { |
| *mapped1 = macho_map_range(fmap, offset1, len1); |
| if (*mapped1 != MACHO_NO_MAP) |
| { |
| *mapped2 = macho_map_range(fmap, offset2, len2); |
| if (*mapped2 == MACHO_NO_MAP) |
| macho_unmap_range(mapped1, fmap, offset1, len1); |
| } |
| } |
| else |
| { |
| if (offset1 < offset2) |
| { |
| *mapped1 = macho_map_range(fmap, offset1, offset2 + len2 - offset1); |
| if (*mapped1 != MACHO_NO_MAP) |
| *mapped2 = (const char*)*mapped1 + offset2 - offset1; |
| } |
| else |
| { |
| *mapped2 = macho_map_range(fmap, offset2, offset1 + len1 - offset2); |
| if (*mapped2 != MACHO_NO_MAP) |
| *mapped1 = (const char*)*mapped2 + offset1 - offset2; |
| } |
| } |
| |
| TRACE(" => %p, %p\n", *mapped1, *mapped2); |
| |
| return (*mapped1 != MACHO_NO_MAP) && (*mapped2 != MACHO_NO_MAP); |
| } |
| |
| /****************************************************************** |
| * macho_unmap_ranges |
| * |
| * Unmaps two ranges (offset, length in bytes) of a Mach-O file |
| * from memory. Use for ranges which were mapped by |
| * macho_map_ranges. |
| */ |
| static void macho_unmap_ranges(const struct macho_file_map* fmap, |
| unsigned offset1, unsigned len1, |
| unsigned offset2, unsigned len2, |
| const void** mapped1, const void** mapped2) |
| { |
| unsigned aligned_offset1, aligned_map_end1; |
| unsigned aligned_offset2, aligned_map_end2; |
| |
| TRACE("(%p/%d, 0x%08x, 0x%08x, 0x%08x, 0x%08x, %p/%p, %p/%p)\n", fmap, fmap->fd, |
| offset1, len1, offset2, len2, mapped1, *mapped1, mapped2, *mapped2); |
| |
| macho_calc_range(fmap, offset1, len1, &aligned_offset1, &aligned_map_end1, NULL, NULL); |
| macho_calc_range(fmap, offset2, len2, &aligned_offset2, &aligned_map_end2, NULL, NULL); |
| |
| if (aligned_map_end1 < aligned_offset2 || aligned_map_end2 < aligned_offset1) |
| { |
| macho_unmap_range(mapped1, fmap, offset1, len1); |
| macho_unmap_range(mapped2, fmap, offset2, len2); |
| } |
| else |
| { |
| if (offset1 < offset2) |
| { |
| macho_unmap_range(mapped1, fmap, offset1, offset2 + len2 - offset1); |
| *mapped2 = MACHO_NO_MAP; |
| } |
| else |
| { |
| macho_unmap_range(mapped2, fmap, offset2, offset1 + len1 - offset2); |
| *mapped1 = MACHO_NO_MAP; |
| } |
| } |
| } |
| |
| /****************************************************************** |
| * macho_map_load_commands |
| * |
| * Maps the load commands from a Mach-O file into memory |
| */ |
| static const struct load_command* macho_map_load_commands(struct macho_file_map* fmap) |
| { |
| if (fmap->load_commands == MACHO_NO_MAP) |
| { |
| fmap->load_commands = (const struct load_command*) macho_map_range( |
| fmap, sizeof(fmap->mach_header), fmap->mach_header.sizeofcmds); |
| TRACE("Mapped load commands: %p\n", fmap->load_commands); |
| } |
| |
| return fmap->load_commands; |
| } |
| |
| /****************************************************************** |
| * macho_unmap_load_commands |
| * |
| * Unmaps the load commands of a Mach-O file from memory |
| */ |
| static void macho_unmap_load_commands(struct macho_file_map* fmap) |
| { |
| if (fmap->load_commands != MACHO_NO_MAP) |
| { |
| TRACE("Unmapping load commands: %p\n", fmap->load_commands); |
| macho_unmap_range((const void**)&fmap->load_commands, fmap, |
| sizeof(fmap->mach_header), fmap->mach_header.sizeofcmds); |
| } |
| } |
| |
| /****************************************************************** |
| * macho_next_load_command |
| * |
| * Advance to the next load command |
| */ |
| static const struct load_command* macho_next_load_command(const struct load_command* lc) |
| { |
| return (const struct load_command*)((const char*)lc + lc->cmdsize); |
| } |
| |
| /****************************************************************** |
| * macho_enum_load_commands |
| * |
| * Enumerates the load commands for a Mach-O file, selecting by |
| * the command type, calling a callback for each. If the callback |
| * returns <0, that indicates an error. If it returns >0, that means |
| * it's not interested in getting any more load commands. |
| * If this function returns <0, that's an error produced by the |
| * callback. If >=0, that's the count of load commands successfully |
| * processed. |
| */ |
| static int macho_enum_load_commands(struct macho_file_map* fmap, unsigned cmd, |
| int (*cb)(struct macho_file_map*, const struct load_command*, void*), |
| void* user) |
| { |
| const struct load_command* lc; |
| int i; |
| int count = 0; |
| |
| TRACE("(%p/%d, %u, %p, %p)\n", fmap, fmap->fd, cmd, cb, user); |
| |
| if ((lc = macho_map_load_commands(fmap)) == MACHO_NO_MAP) return -1; |
| |
| TRACE("%d total commands\n", fmap->mach_header.ncmds); |
| |
| for (i = 0; i < fmap->mach_header.ncmds; i++, lc = macho_next_load_command(lc)) |
| { |
| int result; |
| |
| if (cmd && cmd != lc->cmd) continue; |
| count++; |
| |
| result = cb(fmap, lc, user); |
| TRACE("load_command[%d] (%p), cmd %u; callback => %d\n", i, lc, lc->cmd, result); |
| if (result) return (result < 0) ? result : count; |
| } |
| |
| return count; |
| } |
| |
| /****************************************************************** |
| * macho_accum_segs_range |
| * |
| * Callback for macho_enum_load_commands. Accumulates the address |
| * range covered by the segments of a Mach-O file. All commands |
| * are expected to be of LC_SEGMENT type. |
| */ |
| static int macho_accum_segs_range(struct macho_file_map* fmap, |
| const struct load_command* lc, void* user) |
| { |
| const struct segment_command* sc = (const struct segment_command*)lc; |
| unsigned tmp, page_mask = getpagesize() - 1; |
| |
| TRACE("(%p/%d, %p, %p) before: 0x%08x - 0x%08x\n", fmap, fmap->fd, lc, user, |
| (unsigned)fmap->segs_start, (unsigned)fmap->segs_size); |
| TRACE("Segment command vm: 0x%08x - 0x%08x\n", (unsigned)sc->vmaddr, |
| (unsigned)sc->vmaddr + sc->vmsize); |
| |
| if (!strncmp(sc->segname, "WINE_", 5)) |
| { |
| TRACE("Ignoring special Wine segment %s\n", debugstr_an(sc->segname, sizeof(sc->segname))); |
| return 0; |
| } |
| |
| /* If this segment starts before previously-known earliest, record |
| * new earliest. */ |
| if (sc->vmaddr < fmap->segs_start) |
| fmap->segs_start = sc->vmaddr; |
| |
| /* If this segment extends beyond previously-known furthest, record |
| * new furthest. */ |
| tmp = (sc->vmaddr + sc->vmsize + page_mask) & ~page_mask; |
| if (fmap->segs_size < tmp) fmap->segs_size = tmp; |
| |
| TRACE("after: 0x%08x - 0x%08x\n", (unsigned)fmap->segs_start, (unsigned)fmap->segs_size); |
| |
| return 0; |
| } |
| |
| /****************************************************************** |
| * macho_map_file |
| * |
| * Maps a Mach-O file into memory (and checks it's a real Mach-O file) |
| */ |
| static BOOL macho_map_file(const WCHAR* filenameW, struct macho_file_map* fmap) |
| { |
| struct fat_header fat_header; |
| struct stat statbuf; |
| int i; |
| char* filename; |
| unsigned len; |
| BOOL ret = FALSE; |
| |
| TRACE("(%s, %p)\n", debugstr_w(filenameW), fmap); |
| |
| fmap->fd = -1; |
| fmap->load_commands = MACHO_NO_MAP; |
| RtlInitializeBitMap(&fmap->sect_is_code, fmap->sect_is_code_buff, MAX_SECT + 1); |
| |
| len = WideCharToMultiByte(CP_UNIXCP, 0, filenameW, -1, NULL, 0, NULL, NULL); |
| if (!(filename = HeapAlloc(GetProcessHeap(), 0, len))) return FALSE; |
| WideCharToMultiByte(CP_UNIXCP, 0, filenameW, -1, filename, len, NULL, NULL); |
| |
| /* check that the file exists */ |
| if (stat(filename, &statbuf) == -1 || S_ISDIR(statbuf.st_mode)) goto done; |
| |
| /* Now open the file, so that we can mmap() it. */ |
| if ((fmap->fd = open(filename, O_RDONLY)) == -1) goto done; |
| |
| if (read(fmap->fd, &fat_header, sizeof(fat_header)) != sizeof(fat_header)) |
| goto done; |
| TRACE("... got possible fat header\n"); |
| |
| /* Fat header is always in big-endian order. */ |
| if (swap_ulong_be_to_host(fat_header.magic) == FAT_MAGIC) |
| { |
| int narch = swap_ulong_be_to_host(fat_header.nfat_arch); |
| for (i = 0; i < narch; i++) |
| { |
| struct fat_arch fat_arch; |
| if (read(fmap->fd, &fat_arch, sizeof(fat_arch)) != sizeof(fat_arch)) |
| goto done; |
| if (swap_ulong_be_to_host(fat_arch.cputype) == CPU_TYPE_X86) |
| { |
| fmap->arch_offset = swap_ulong_be_to_host(fat_arch.offset); |
| fmap->arch_size = swap_ulong_be_to_host(fat_arch.size); |
| break; |
| } |
| } |
| if (i >= narch) goto done; |
| TRACE("... found x86 arch\n"); |
| } |
| else |
| { |
| fmap->arch_offset = 0; |
| fmap->arch_size = statbuf.st_size; |
| TRACE("... not a fat header\n"); |
| } |
| |
| /* Individual architecture (standalone or within a fat file) is in its native byte order. */ |
| lseek(fmap->fd, fmap->arch_offset, SEEK_SET); |
| if (read(fmap->fd, &fmap->mach_header, sizeof(fmap->mach_header)) != sizeof(fmap->mach_header)) |
| goto done; |
| TRACE("... got possible Mach header\n"); |
| /* and check for a Mach-O header */ |
| if (fmap->mach_header.magic != MH_MAGIC || |
| fmap->mach_header.cputype != CPU_TYPE_X86) goto done; |
| /* Make sure the file type is one of the ones we expect. */ |
| switch (fmap->mach_header.filetype) |
| { |
| case MH_EXECUTE: |
| case MH_DYLIB: |
| case MH_DYLINKER: |
| case MH_BUNDLE: |
| break; |
| default: |
| goto done; |
| } |
| TRACE("... verified Mach x86 header\n"); |
| |
| fmap->segs_size = 0; |
| fmap->segs_start = ~0L; |
| |
| if (macho_enum_load_commands(fmap, LC_SEGMENT, macho_accum_segs_range, NULL) < 0) |
| goto done; |
| |
| fmap->segs_size -= fmap->segs_start; |
| TRACE("segs_start: 0x%08x, segs_size: 0x%08x\n", (unsigned)fmap->segs_start, |
| (unsigned)fmap->segs_size); |
| |
| ret = TRUE; |
| done: |
| if (!ret) |
| macho_unmap_file(fmap); |
| HeapFree(GetProcessHeap(), 0, filename); |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_unmap_file |
| * |
| * Unmaps a Mach-O file from memory (previously mapped with macho_map_file) |
| */ |
| static void macho_unmap_file(struct macho_file_map* fmap) |
| { |
| TRACE("(%p/%d)\n", fmap, fmap->fd); |
| if (fmap->fd != -1) |
| { |
| macho_unmap_load_commands(fmap); |
| close(fmap->fd); |
| fmap->fd = -1; |
| } |
| } |
| |
| /****************************************************************** |
| * macho_fill_sect_is_code |
| * |
| * Callback for macho_enum_load_commands. Determines which segments |
| * of a Mach-O file contain code. All commands are expected to be |
| * of LC_SEGMENT type. |
| */ |
| static int macho_fill_sect_is_code(struct macho_file_map* fmap, |
| const struct load_command* lc, void* user) |
| { |
| const struct segment_command* sc = (const struct segment_command*)lc; |
| const struct section* sections; |
| int* cursect = user; |
| int i; |
| |
| TRACE("(%p/%d, %p, %p/%d) scanning %u sections\n", fmap, fmap->fd, lc, |
| cursect, *cursect, sc->nsects); |
| |
| sections = (const struct section*)(sc + 1); |
| for (i = 0; i < sc->nsects; i++) |
| { |
| if (*cursect > MAX_SECT) return -1; |
| (*cursect)++; |
| |
| if (!(sections[i].flags & SECTION_TYPE) && |
| (sections[i].flags & (S_ATTR_PURE_INSTRUCTIONS|S_ATTR_SOME_INSTRUCTIONS))) |
| RtlSetBits(&fmap->sect_is_code, *cursect, 1); |
| else |
| RtlClearBits(&fmap->sect_is_code, *cursect, 1); |
| TRACE("Section %d (%d of this segment) is%s code\n", *cursect, i, |
| (RtlAreBitsSet(&fmap->sect_is_code, *cursect, 1) ? "" : " not")); |
| } |
| |
| return 0; |
| } |
| |
| /****************************************************************** |
| * macho_sect_is_code |
| * |
| * Checks if a section, identified by sectidx which is a 1-based |
| * index into the sections of all segments, in order of load |
| * commands, contains code. |
| */ |
| static BOOL macho_sect_is_code(struct macho_file_map* fmap, unsigned char sectidx) |
| { |
| TRACE("(%p/%d, %u)\n", fmap, fmap->fd, sectidx); |
| |
| if (!RtlAreBitsSet(&fmap->sect_is_code, 0, 1)) |
| { |
| int cursect = 0; |
| if (macho_enum_load_commands(fmap, LC_SEGMENT, macho_fill_sect_is_code, &cursect) < 0) |
| WARN("Couldn't load sect_is_code map\n"); |
| RtlSetBits(&fmap->sect_is_code, 0, 1); |
| } |
| |
| return RtlAreBitsSet(&fmap->sect_is_code, sectidx, 1); |
| } |
| |
| struct symtab_elt |
| { |
| struct hash_table_elt ht_elt; |
| struct symt_compiland* compiland; |
| unsigned long addr; |
| unsigned char is_code:1, |
| is_public:1, |
| is_global:1, |
| used:1; |
| }; |
| |
| struct macho_debug_info |
| { |
| struct macho_file_map* fmap; |
| struct module* module; |
| struct pool pool; |
| struct hash_table ht_symtab; |
| }; |
| |
| /****************************************************************** |
| * macho_stabs_def_cb |
| * |
| * Callback for stabs_parse. Collect symbol definitions. |
| */ |
| static void macho_stabs_def_cb(struct module* module, unsigned long load_offset, |
| const char* name, unsigned long offset, |
| BOOL is_public, BOOL is_global, unsigned char sectidx, |
| struct symt_compiland* compiland, void* user) |
| { |
| struct macho_debug_info* mdi = user; |
| struct symtab_elt* ste; |
| |
| TRACE("(%p, 0x%08lx, %s, 0x%08lx, %d, %d, %u, %p, %p/%p/%d)\n", module, load_offset, |
| debugstr_a(name), offset, is_public, is_global, sectidx, |
| compiland, mdi, mdi->fmap, mdi->fmap->fd); |
| |
| /* Defer the creation of new non-debugging symbols until after we've |
| * finished parsing the stabs. */ |
| ste = pool_alloc(&mdi->pool, sizeof(*ste)); |
| ste->ht_elt.name = pool_strdup(&mdi->pool, name); |
| ste->compiland = compiland; |
| ste->addr = load_offset + offset; |
| ste->is_code = !!macho_sect_is_code(mdi->fmap, sectidx); |
| ste->is_public = !!is_public; |
| ste->is_global = !!is_global; |
| ste->used = 0; |
| hash_table_add(&mdi->ht_symtab, &ste->ht_elt); |
| } |
| |
| /****************************************************************** |
| * macho_parse_symtab |
| * |
| * Callback for macho_enum_load_commands. Processes the LC_SYMTAB |
| * load commands from the Mach-O file. |
| */ |
| static int macho_parse_symtab(struct macho_file_map* fmap, |
| const struct load_command* lc, void* user) |
| { |
| const struct symtab_command* sc = (const struct symtab_command*)lc; |
| struct macho_debug_info* mdi = user; |
| const struct nlist* stab; |
| const char* stabstr; |
| int ret = 0; |
| |
| TRACE("(%p/%d, %p, %p) %u syms at 0x%08x, strings 0x%08x - 0x%08x\n", fmap, fmap->fd, lc, |
| user, sc->nsyms, sc->symoff, sc->stroff, sc->stroff + sc->strsize); |
| |
| if (!macho_map_ranges(fmap, sc->symoff, sc->nsyms * sizeof(struct nlist), |
| sc->stroff, sc->strsize, (const void**)&stab, (const void**)&stabstr)) |
| return 0; |
| |
| if (!stabs_parse(mdi->module, |
| mdi->module->format_info[DFI_MACHO]->u.macho_info->load_addr - fmap->segs_start, |
| stab, sc->nsyms * sizeof(struct nlist), |
| stabstr, sc->strsize, macho_stabs_def_cb, mdi)) |
| ret = -1; |
| |
| macho_unmap_ranges(fmap, sc->symoff, sc->nsyms * sizeof(struct nlist), |
| sc->stroff, sc->strsize, (const void**)&stab, (const void**)&stabstr); |
| |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_finish_stabs |
| * |
| * Integrate the non-debugging symbols we've gathered into the |
| * symbols that were generated during stabs parsing. |
| */ |
| static void macho_finish_stabs(struct module* module, struct hash_table* ht_symtab) |
| { |
| struct hash_table_iter hti_ours; |
| struct symtab_elt* ste; |
| BOOL adjusted = FALSE; |
| |
| TRACE("(%p, %p)\n", module, ht_symtab); |
| |
| /* For each of our non-debugging symbols, see if it can provide some |
| * missing details to one of the module's known symbols. */ |
| hash_table_iter_init(ht_symtab, &hti_ours, NULL); |
| while ((ste = hash_table_iter_up(&hti_ours))) |
| { |
| struct hash_table_iter hti_modules; |
| void* ptr; |
| struct symt_ht* sym; |
| struct symt_function* func; |
| struct symt_data* data; |
| |
| hash_table_iter_init(&module->ht_symbols, &hti_modules, ste->ht_elt.name); |
| while ((ptr = hash_table_iter_up(&hti_modules))) |
| { |
| sym = GET_ENTRY(ptr, struct symt_ht, hash_elt); |
| |
| if (strcmp(sym->hash_elt.name, ste->ht_elt.name)) |
| continue; |
| |
| switch (sym->symt.tag) |
| { |
| case SymTagFunction: |
| func = (struct symt_function*)sym; |
| if (func->address == module->format_info[DFI_MACHO]->u.macho_info->load_addr) |
| { |
| TRACE("Adjusting function %p/%s!%s from 0x%08lx to 0x%08lx\n", func, |
| debugstr_w(module->module.ModuleName), sym->hash_elt.name, |
| func->address, ste->addr); |
| func->address = ste->addr; |
| adjusted = TRUE; |
| } |
| if (func->address == ste->addr) |
| ste->used = 1; |
| break; |
| case SymTagData: |
| data = (struct symt_data*)sym; |
| switch (data->kind) |
| { |
| case DataIsGlobal: |
| case DataIsFileStatic: |
| if (data->u.var.offset == module->format_info[DFI_MACHO]->u.macho_info->load_addr) |
| { |
| TRACE("Adjusting data symbol %p/%s!%s from 0x%08lx to 0x%08lx\n", |
| data, debugstr_w(module->module.ModuleName), sym->hash_elt.name, |
| data->u.var.offset, ste->addr); |
| data->u.var.offset = ste->addr; |
| adjusted = TRUE; |
| } |
| if (data->u.var.offset == ste->addr) |
| { |
| enum DataKind new_kind; |
| |
| new_kind = ste->is_global ? DataIsGlobal : DataIsFileStatic; |
| if (data->kind != new_kind) |
| { |
| WARN("Changing kind for %p/%s!%s from %d to %d\n", sym, |
| debugstr_w(module->module.ModuleName), sym->hash_elt.name, |
| (int)data->kind, (int)new_kind); |
| data->kind = new_kind; |
| adjusted = TRUE; |
| } |
| ste->used = 1; |
| } |
| break; |
| default:; |
| } |
| break; |
| default: |
| TRACE("Ignoring tag %u\n", sym->symt.tag); |
| break; |
| } |
| } |
| } |
| |
| if (adjusted) |
| { |
| /* since we may have changed some addresses, mark the module to be resorted */ |
| module->sortlist_valid = FALSE; |
| } |
| |
| /* Mark any of our non-debugging symbols which fall on an already-used |
| * address as "used". This allows us to skip them in the next loop, |
| * below. We do this in separate loops because symt_new_* marks the |
| * list as needing sorting and symt_find_nearest sorts if needed, |
| * causing thrashing. */ |
| if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY)) |
| { |
| hash_table_iter_init(ht_symtab, &hti_ours, NULL); |
| while ((ste = hash_table_iter_up(&hti_ours))) |
| { |
| struct symt_ht* sym; |
| ULONG64 addr; |
| |
| if (ste->used) continue; |
| |
| sym = symt_find_nearest(module, ste->addr); |
| if (sym) |
| symt_get_address(&sym->symt, &addr); |
| if (sym && ste->addr == addr) |
| { |
| ULONG64 size = 0; |
| DWORD kind = -1; |
| |
| ste->used = 1; |
| |
| /* If neither symbol has a correct size (ours never does), we |
| * consider them both to be markers. No warning is needed in |
| * that case. |
| * Also, we check that we don't have two symbols, one local, the other |
| * global, which is legal. |
| */ |
| symt_get_info(module, &sym->symt, TI_GET_LENGTH, &size); |
| symt_get_info(module, &sym->symt, TI_GET_DATAKIND, &kind); |
| if (size && kind == (ste->is_global ? DataIsGlobal : DataIsFileStatic)) |
| FIXME("Duplicate in %s: %s<%08lx> %s<%s-%s>\n", |
| debugstr_w(module->module.ModuleName), |
| ste->ht_elt.name, ste->addr, |
| sym->hash_elt.name, |
| wine_dbgstr_longlong(addr), wine_dbgstr_longlong(size)); |
| } |
| } |
| } |
| |
| /* For any of our remaining non-debugging symbols which have no match |
| * among the module's known symbols, add them as new symbols. */ |
| hash_table_iter_init(ht_symtab, &hti_ours, NULL); |
| while ((ste = hash_table_iter_up(&hti_ours))) |
| { |
| if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY) && !ste->used) |
| { |
| if (ste->is_code) |
| { |
| symt_new_function(module, ste->compiland, ste->ht_elt.name, |
| ste->addr, 0, NULL); |
| } |
| else |
| { |
| struct location loc; |
| |
| loc.kind = loc_absolute; |
| loc.reg = 0; |
| loc.offset = ste->addr; |
| symt_new_global_variable(module, ste->compiland, ste->ht_elt.name, |
| !ste->is_global, loc, 0, NULL); |
| } |
| |
| ste->used = 1; |
| } |
| |
| if (ste->is_public && !(dbghelp_options & SYMOPT_NO_PUBLICS)) |
| { |
| symt_new_public(module, ste->compiland, ste->ht_elt.name, ste->addr, 0); |
| } |
| } |
| } |
| |
| /****************************************************************** |
| * macho_load_debug_info_from_map |
| * |
| * Loads the symbolic information from a Mach-O module. |
| * Returns |
| * FALSE if the file doesn't contain symbolic info (or this info |
| * cannot be read or parsed) |
| * TRUE on success |
| */ |
| static BOOL macho_load_debug_info_from_map(struct module* module, |
| struct macho_file_map* fmap) |
| { |
| BOOL ret = FALSE; |
| struct macho_debug_info mdi; |
| int result; |
| |
| TRACE("(%p, %p/%d)\n", module, fmap, fmap->fd); |
| |
| module->module.SymType = SymExport; |
| |
| mdi.fmap = fmap; |
| mdi.module = module; |
| pool_init(&mdi.pool, 65536); |
| hash_table_init(&mdi.pool, &mdi.ht_symtab, 256); |
| result = macho_enum_load_commands(fmap, LC_SYMTAB, macho_parse_symtab, &mdi); |
| if (result > 0) |
| ret = TRUE; |
| else if (result < 0) |
| WARN("Couldn't correctly read stabs\n"); |
| |
| macho_finish_stabs(module, &mdi.ht_symtab); |
| |
| pool_destroy(&mdi.pool); |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_load_debug_info |
| * |
| * Loads Mach-O debugging information from the module image file. |
| */ |
| BOOL macho_load_debug_info(struct module* module, struct macho_file_map* fmap) |
| { |
| BOOL ret = TRUE; |
| struct macho_file_map my_fmap; |
| |
| TRACE("(%p, %p/%d)\n", module, fmap, fmap ? fmap->fd : -1); |
| |
| if (module->type != DMT_MACHO || !module->format_info[DFI_MACHO]->u.macho_info) |
| { |
| ERR("Bad Mach-O module '%s'\n", debugstr_w(module->module.LoadedImageName)); |
| return FALSE; |
| } |
| |
| if (!fmap) |
| { |
| fmap = &my_fmap; |
| ret = macho_map_file(module->module.LoadedImageName, fmap); |
| } |
| if (ret) |
| ret = macho_load_debug_info_from_map(module, fmap); |
| |
| if (fmap == &my_fmap) macho_unmap_file(fmap); |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_fetch_file_info |
| * |
| * Gathers some more information for a Mach-O module from a given file |
| */ |
| BOOL macho_fetch_file_info(const WCHAR* name, DWORD_PTR* base, |
| DWORD* size, DWORD* checksum) |
| { |
| struct macho_file_map fmap; |
| |
| TRACE("(%s, %p, %p, %p)\n", debugstr_w(name), base, size, checksum); |
| |
| if (!macho_map_file(name, &fmap)) return FALSE; |
| if (base) *base = fmap.segs_start; |
| *size = fmap.segs_size; |
| *checksum = calc_crc32(fmap.fd); |
| macho_unmap_file(&fmap); |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * macho_load_file |
| * |
| * Loads the information for Mach-O module stored in 'filename'. |
| * The module has been loaded at 'load_addr' address. |
| * returns |
| * FALSE if the file cannot be found/opened or if the file doesn't |
| * contain symbolic info (or this info cannot be read or parsed) |
| * TRUE on success |
| */ |
| static BOOL macho_load_file(struct process* pcs, const WCHAR* filename, |
| unsigned long load_addr, struct macho_info* macho_info) |
| { |
| BOOL ret = TRUE; |
| struct macho_file_map fmap; |
| |
| TRACE("(%p/%p, %s, 0x%08lx, %p/0x%08x)\n", pcs, pcs->handle, debugstr_w(filename), |
| load_addr, macho_info, macho_info->flags); |
| |
| if (!macho_map_file(filename, &fmap)) return FALSE; |
| |
| /* Find the dynamic loader's table of images loaded into the process. |
| */ |
| if (macho_info->flags & MACHO_INFO_DEBUG_HEADER) |
| { |
| static void* dyld_all_image_infos_addr; |
| |
| /* This symbol should be in the same place in all processes. */ |
| if (!dyld_all_image_infos_addr) |
| { |
| struct nlist nl[2]; |
| memset(nl, 0, sizeof(nl)); |
| nl[0].n_un.n_name = (char*)"_dyld_all_image_infos"; |
| if (!nlist("/usr/lib/dyld", nl)) |
| dyld_all_image_infos_addr = (void*)nl[0].n_value; |
| } |
| |
| if (dyld_all_image_infos_addr) |
| macho_info->dbg_hdr_addr = (unsigned long)dyld_all_image_infos_addr; |
| else |
| ret = FALSE; |
| TRACE("dbg_hdr_addr = 0x%08lx\n", macho_info->dbg_hdr_addr); |
| } |
| |
| if (macho_info->flags & MACHO_INFO_MODULE) |
| { |
| struct macho_module_info *macho_module_info; |
| struct module_format* modfmt = |
| HeapAlloc(GetProcessHeap(), 0, sizeof(struct module_format) + sizeof(struct macho_module_info)); |
| if (!modfmt) goto leave; |
| macho_info->module = module_new(pcs, filename, DMT_MACHO, FALSE, load_addr, |
| fmap.segs_size, 0, calc_crc32(fmap.fd)); |
| if (!macho_info->module) |
| { |
| HeapFree(GetProcessHeap(), 0, modfmt); |
| goto leave; |
| } |
| macho_module_info = (void*)(modfmt + 1); |
| macho_info->module->format_info[DFI_MACHO] = modfmt; |
| |
| modfmt->module = macho_info->module; |
| modfmt->remove = NULL; |
| modfmt->loc_compute = NULL; |
| modfmt->u.macho_info = macho_module_info; |
| |
| macho_module_info->load_addr = load_addr; |
| |
| if (dbghelp_options & SYMOPT_DEFERRED_LOADS) |
| macho_info->module->module.SymType = SymDeferred; |
| else if (!macho_load_debug_info(macho_info->module, &fmap)) |
| ret = FALSE; |
| |
| macho_info->module->format_info[DFI_MACHO]->u.macho_info->in_use = 1; |
| macho_info->module->format_info[DFI_MACHO]->u.macho_info->is_loader = 0; |
| TRACE("module = %p\n", macho_info->module); |
| } |
| |
| if (macho_info->flags & MACHO_INFO_NAME) |
| { |
| WCHAR* ptr; |
| ptr = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(filename) + 1) * sizeof(WCHAR)); |
| if (ptr) |
| { |
| strcpyW(ptr, filename); |
| macho_info->module_name = ptr; |
| } |
| else ret = FALSE; |
| TRACE("module_name = %p %s\n", macho_info->module_name, debugstr_w(macho_info->module_name)); |
| } |
| leave: |
| macho_unmap_file(&fmap); |
| |
| TRACE(" => %d\n", ret); |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_load_file_from_path |
| * Tries to load a Mach-O file from a set of paths (separated by ':') |
| */ |
| static BOOL macho_load_file_from_path(HANDLE hProcess, |
| const WCHAR* filename, |
| unsigned long load_addr, |
| const char* path, |
| struct macho_info* macho_info) |
| { |
| BOOL ret = FALSE; |
| WCHAR *s, *t, *fn; |
| WCHAR* pathW = NULL; |
| unsigned len; |
| |
| TRACE("(%p, %s, 0x%08lx, %s, %p)\n", hProcess, debugstr_w(filename), load_addr, |
| debugstr_a(path), macho_info); |
| |
| 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 = macho_load_file(hProcess, fn, load_addr, macho_info); |
| HeapFree(GetProcessHeap(), 0, fn); |
| if (ret) break; |
| s = (t) ? (t+1) : NULL; |
| } |
| |
| TRACE(" => %d\n", ret); |
| HeapFree(GetProcessHeap(), 0, pathW); |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_load_file_from_dll_path |
| * |
| * Tries to load a Mach-O file from the dll path |
| */ |
| static BOOL macho_load_file_from_dll_path(HANDLE hProcess, |
| const WCHAR* filename, |
| unsigned long load_addr, |
| struct macho_info* macho_info) |
| { |
| BOOL ret = FALSE; |
| unsigned int index = 0; |
| const char *path; |
| |
| TRACE("(%p, %s, 0x%08lx, %p)\n", hProcess, debugstr_w(filename), load_addr, |
| macho_info); |
| |
| 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 = macho_load_file(hProcess, name, load_addr, macho_info); |
| HeapFree( GetProcessHeap(), 0, name ); |
| } |
| TRACE(" => %d\n", ret); |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_search_and_load_file |
| * |
| * Lookup a file in standard Mach-O locations, and if found, load it |
| */ |
| static BOOL macho_search_and_load_file(struct process* pcs, const WCHAR* filename, |
| unsigned long load_addr, |
| struct macho_info* macho_info) |
| { |
| BOOL ret = FALSE; |
| struct module* module; |
| static WCHAR S_libstdcPPW[] = {'l','i','b','s','t','d','c','+','+','\0'}; |
| const WCHAR* p; |
| |
| TRACE("(%p/%p, %s, 0x%08lx, %p)\n", pcs, pcs->handle, debugstr_w(filename), load_addr, |
| macho_info); |
| |
| if (filename == NULL || *filename == '\0') return FALSE; |
| if ((module = module_is_already_loaded(pcs, filename))) |
| { |
| macho_info->module = module; |
| module->format_info[DFI_MACHO]->u.macho_info->in_use = 1; |
| return module->module.SymType; |
| } |
| |
| if (strstrW(filename, S_libstdcPPW)) return FALSE; /* We know we can't do it */ |
| |
| /* If has no directories, try LD_LIBRARY_PATH first. */ |
| if (!strchrW(filename, '/')) |
| { |
| ret = macho_load_file_from_path(pcs, filename, load_addr, |
| getenv("PATH"), macho_info); |
| } |
| /* Try DYLD_LIBRARY_PATH, with just the filename (no directories). */ |
| if (!ret) |
| { |
| if ((p = strrchrW(filename, '/'))) p++; |
| else p = filename; |
| ret = macho_load_file_from_path(pcs, p, load_addr, |
| getenv("DYLD_LIBRARY_PATH"), macho_info); |
| } |
| /* Try the path as given. */ |
| if (!ret) |
| ret = macho_load_file(pcs, filename, load_addr, macho_info); |
| /* Try DYLD_FALLBACK_LIBRARY_PATH, with just the filename (no directories). */ |
| if (!ret) |
| { |
| ret = macho_load_file_from_path(pcs, p, load_addr, |
| getenv("DYLD_FALLBACK_LIBRARY_PATH"), macho_info); |
| } |
| if (!ret && !strchrW(filename, '/')) |
| ret = macho_load_file_from_dll_path(pcs, filename, load_addr, macho_info); |
| |
| return ret; |
| } |
| |
| /****************************************************************** |
| * macho_enum_modules_internal |
| * |
| * Enumerate Mach-O modules from a running process |
| */ |
| static BOOL macho_enum_modules_internal(const struct process* pcs, |
| const WCHAR* main_name, |
| enum_modules_cb cb, void* user) |
| { |
| struct dyld_all_image_infos image_infos; |
| struct dyld_image_info* info_array = NULL; |
| unsigned long len; |
| int i; |
| char bufstr[256]; |
| WCHAR bufstrW[MAX_PATH]; |
| BOOL ret = FALSE; |
| |
| TRACE("(%p/%p, %s, %p, %p)\n", pcs, pcs->handle, debugstr_w(main_name), cb, |
| user); |
| |
| if (!pcs->dbg_hdr_addr || |
| !ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr, |
| &image_infos, sizeof(image_infos), NULL) || |
| !image_infos.infoArray) |
| goto done; |
| TRACE("Process has %u image infos at %p\n", image_infos.infoArrayCount, image_infos.infoArray); |
| |
| len = image_infos.infoArrayCount * sizeof(info_array[0]); |
| info_array = HeapAlloc(GetProcessHeap(), 0, len); |
| if (!info_array || |
| !ReadProcessMemory(pcs->handle, image_infos.infoArray, |
| info_array, len, NULL)) |
| goto done; |
| TRACE("... read image infos\n"); |
| |
| for (i = 0; i < image_infos.infoArrayCount; i++) |
| { |
| if (info_array[i].imageFilePath != NULL && |
| ReadProcessMemory(pcs->handle, info_array[i].imageFilePath, bufstr, sizeof(bufstr), NULL)) |
| { |
| bufstr[sizeof(bufstr) - 1] = '\0'; |
| TRACE("[%d] image file %s\n", i, debugstr_a(bufstr)); |
| 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)info_array[i].imageLoadAddress, user)) break; |
| } |
| } |
| |
| ret = TRUE; |
| done: |
| HeapFree(GetProcessHeap(), 0, info_array); |
| return ret; |
| } |
| |
| struct macho_sync |
| { |
| struct process* pcs; |
| struct macho_info macho_info; |
| }; |
| |
| static BOOL macho_enum_sync_cb(const WCHAR* name, unsigned long addr, void* user) |
| { |
| struct macho_sync* ms = user; |
| |
| TRACE("(%s, 0x%08lx, %p)\n", debugstr_w(name), addr, user); |
| macho_search_and_load_file(ms->pcs, name, addr, &ms->macho_info); |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * macho_synchronize_module_list |
| * |
| * Rescans the debuggee's modules 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 macho_synchronize_module_list(struct process* pcs) |
| { |
| struct module* module; |
| struct macho_sync ms; |
| |
| TRACE("(%p/%p)\n", pcs, pcs->handle); |
| |
| for (module = pcs->lmodules; module; module = module->next) |
| { |
| if (module->type == DMT_MACHO && !module->is_virtual) |
| module->format_info[DFI_MACHO]->u.macho_info->in_use = 0; |
| } |
| |
| ms.pcs = pcs; |
| ms.macho_info.flags = MACHO_INFO_MODULE; |
| if (!macho_enum_modules_internal(pcs, NULL, macho_enum_sync_cb, &ms)) |
| return FALSE; |
| |
| module = pcs->lmodules; |
| while (module) |
| { |
| if (module->type == DMT_MACHO && !module->is_virtual && |
| !module->format_info[DFI_MACHO]->u.macho_info->in_use && |
| !module->format_info[DFI_MACHO]->u.macho_info->is_loader) |
| { |
| module_remove(pcs, module); |
| /* restart all over */ |
| module = pcs->lmodules; |
| } |
| else module = module->next; |
| } |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * macho_search_loader |
| * |
| * Lookup in a running Mach-O process the loader, and sets its Mach-O link |
| * address (for accessing the list of loaded images) in pcs. |
| * If flags is MACHO_INFO_MODULE, the module for the loader is also |
| * added as a module into pcs. |
| */ |
| static BOOL macho_search_loader(struct process* pcs, struct macho_info* macho_info) |
| { |
| return macho_search_and_load_file(pcs, get_wine_loader_name(), 0, macho_info); |
| } |
| |
| /****************************************************************** |
| * macho_read_wine_loader_dbg_info |
| * |
| * Try to find a decent wine executable which could have loaded the debuggee |
| */ |
| BOOL macho_read_wine_loader_dbg_info(struct process* pcs) |
| { |
| struct macho_info macho_info; |
| |
| TRACE("(%p/%p)\n", pcs, pcs->handle); |
| macho_info.flags = MACHO_INFO_DEBUG_HEADER | MACHO_INFO_MODULE; |
| if (!macho_search_loader(pcs, &macho_info)) return FALSE; |
| macho_info.module->format_info[DFI_MACHO]->u.macho_info->is_loader = 1; |
| module_set_module(macho_info.module, S_WineLoaderW); |
| return (pcs->dbg_hdr_addr = macho_info.dbg_hdr_addr) != 0; |
| } |
| |
| /****************************************************************** |
| * macho_enum_modules |
| * |
| * Enumerates the Mach-O loaded modules from a running target (hProc) |
| * This function doesn't require that someone has called SymInitialize |
| * on this very process. |
| */ |
| BOOL macho_enum_modules(HANDLE hProc, enum_modules_cb cb, void* user) |
| { |
| struct process pcs; |
| struct macho_info macho_info; |
| BOOL ret; |
| |
| TRACE("(%p, %p, %p)\n", hProc, cb, user); |
| memset(&pcs, 0, sizeof(pcs)); |
| pcs.handle = hProc; |
| macho_info.flags = MACHO_INFO_DEBUG_HEADER | MACHO_INFO_NAME; |
| if (!macho_search_loader(&pcs, &macho_info)) return FALSE; |
| pcs.dbg_hdr_addr = macho_info.dbg_hdr_addr; |
| ret = macho_enum_modules_internal(&pcs, macho_info.module_name, cb, user); |
| HeapFree(GetProcessHeap(), 0, (char*)macho_info.module_name); |
| return ret; |
| } |
| |
| struct macho_load |
| { |
| struct process* pcs; |
| struct macho_info macho_info; |
| const WCHAR* name; |
| BOOL ret; |
| }; |
| |
| /****************************************************************** |
| * macho_load_cb |
| * |
| * Callback for macho_load_module, used to walk the list of loaded |
| * modules. |
| */ |
| static BOOL macho_load_cb(const WCHAR* name, unsigned long addr, void* user) |
| { |
| struct macho_load* ml = user; |
| const WCHAR* p; |
| |
| TRACE("(%s, 0x%08lx, %p)\n", debugstr_w(name), addr, user); |
| |
| /* memcmp is needed for matches when bufstr contains also version information |
| * ml->name: libc.so, name: libc.so.6.0 |
| */ |
| p = strrchrW(name, '/'); |
| if (!p++) p = name; |
| if (!memcmp(p, ml->name, lstrlenW(ml->name) * sizeof(WCHAR))) |
| { |
| ml->ret = macho_search_and_load_file(ml->pcs, name, addr, &ml->macho_info); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| /****************************************************************** |
| * macho_load_module |
| * |
| * Loads a Mach-O 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* macho_load_module(struct process* pcs, const WCHAR* name, unsigned long addr) |
| { |
| struct macho_load ml; |
| |
| TRACE("(%p/%p, %s, 0x%08lx)\n", pcs, pcs->handle, debugstr_w(name), addr); |
| |
| ml.macho_info.flags = MACHO_INFO_MODULE; |
| ml.ret = FALSE; |
| |
| if (pcs->dbg_hdr_addr) /* we're debugging a live target */ |
| { |
| ml.pcs = pcs; |
| /* do only the lookup from the filename, not the path (as we lookup module |
| * name in the process' loaded module list) |
| */ |
| ml.name = strrchrW(name, '/'); |
| if (!ml.name++) ml.name = name; |
| ml.ret = FALSE; |
| |
| if (!macho_enum_modules_internal(pcs, NULL, macho_load_cb, &ml)) |
| return NULL; |
| } |
| else if (addr) |
| { |
| ml.name = name; |
| ml.ret = macho_search_and_load_file(pcs, ml.name, addr, &ml.macho_info); |
| } |
| if (!ml.ret) return NULL; |
| assert(ml.macho_info.module); |
| return ml.macho_info.module; |
| } |
| |
| #else /* HAVE_MACH_O_LOADER_H */ |
| |
| BOOL macho_synchronize_module_list(struct process* pcs) |
| { |
| return FALSE; |
| } |
| |
| BOOL macho_fetch_file_info(const WCHAR* name, DWORD_PTR* base, |
| DWORD* size, DWORD* checksum) |
| { |
| return FALSE; |
| } |
| |
| BOOL macho_read_wine_loader_dbg_info(struct process* pcs) |
| { |
| return FALSE; |
| } |
| |
| BOOL macho_enum_modules(HANDLE hProc, enum_modules_cb cb, void* user) |
| { |
| return FALSE; |
| } |
| |
| struct module* macho_load_module(struct process* pcs, const WCHAR* name, unsigned long addr) |
| { |
| return NULL; |
| } |
| |
| BOOL macho_load_debug_info(struct module* module, struct macho_file_map* fmap) |
| { |
| return FALSE; |
| } |
| #endif /* HAVE_MACH_O_LOADER_H */ |