Ken Thomases : dbghelp: Fix reading the target's dyld image info, based on its CPU architecture.
Module: wine Branch: master Commit: 4b9defe09a24e77547cde4e8211f701a4984681b URL: https://source.winehq.org/git/wine.git/?a=commit;h=4b9defe09a24e77547cde4e82... Author: Ken Thomases <ken(a)codeweavers.com> Date: Thu Dec 12 19:43:19 2019 -0600 dbghelp: Fix reading the target's dyld image info, based on its CPU architecture. Signed-off-by: Ken Thomases <ken(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/dbghelp/macho_module.c | 134 ++++++++++++++++++++++++++++++++------------ 1 file changed, 97 insertions(+), 37 deletions(-) diff --git a/dlls/dbghelp/macho_module.c b/dlls/dbghelp/macho_module.c index 8eda11ab91..f957439d43 100644 --- a/dlls/dbghelp/macho_module.c +++ b/dlls/dbghelp/macho_module.c @@ -60,23 +60,39 @@ #include <mach-o/nlist.h> #include <mach-o/dyld.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_image_info32 { + uint32_t /* const struct mach_header* */ imageLoadAddress; + uint32_t /* const char* */ imageFilePath; + uint32_t /* uintptr_t */ imageFileModDate; }; -struct dyld_all_image_infos { - uint32_t version; - uint32_t infoArrayCount; - const struct dyld_image_info *infoArray; - void* notification; - int processDetachedFromSharedRegion; +struct dyld_all_image_infos32 { + uint32_t version; + uint32_t infoArrayCount; + uint32_t /* const struct dyld_image_info* */ infoArray; +}; + +struct dyld_image_info64 { + uint64_t /* const struct mach_header* */ imageLoadAddress; + uint64_t /* const char* */ imageFilePath; + uint64_t /* uintptr_t */ imageFileModDate; +}; + +struct dyld_all_image_infos64 { + uint32_t version; + uint32_t infoArrayCount; + uint64_t /* const struct dyld_image_info* */ infoArray; +}; + +union wine_image_info { + struct dyld_image_info32 info32; + struct dyld_image_info64 info64; +}; + +union wine_all_image_infos { + struct dyld_all_image_infos32 infos32; + struct dyld_all_image_infos64 infos64; }; -#endif #ifdef WORDS_BIGENDIAN #define swap_ulong_be_to_host(n) (n) @@ -1649,8 +1665,8 @@ 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; + union wine_all_image_infos image_infos; + union wine_image_info* info_array = NULL; unsigned long len; int i; char bufstr[256]; @@ -1660,31 +1676,55 @@ static BOOL macho_enum_modules_internal(const struct process* pcs, TRACE("(%p/%p, %s, %p, %p)\n", pcs, pcs->handle, debugstr_w(main_name), cb, user); + if (pcs->is_64bit) + len = sizeof(image_infos.infos64); + else + len = sizeof(image_infos.infos32); if (!pcs->dbg_hdr_addr || !ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr, - &image_infos, sizeof(image_infos), NULL) || - !image_infos.infoArray) + &image_infos, len, NULL)) goto done; - TRACE("Process has %u image infos at %p\n", image_infos.infoArrayCount, image_infos.infoArray); + if (!pcs->is_64bit) + { + struct dyld_all_image_infos32 temp = image_infos.infos32; + image_infos.infos64.infoArrayCount = temp.infoArrayCount; + image_infos.infos64.infoArray = temp.infoArray; + } + if (!image_infos.infos64.infoArray) + goto done; + TRACE("Process has %u image infos at %p\n", image_infos.infos64.infoArrayCount, (void*)image_infos.infos64.infoArray); - len = image_infos.infoArrayCount * sizeof(info_array[0]); + if (pcs->is_64bit) + len = sizeof(info_array->info64); + else + len = sizeof(info_array->info32); + len *= image_infos.infos64.infoArrayCount; info_array = HeapAlloc(GetProcessHeap(), 0, len); if (!info_array || - !ReadProcessMemory(pcs->handle, image_infos.infoArray, + !ReadProcessMemory(pcs->handle, (void*)image_infos.infos64.infoArray, info_array, len, NULL)) goto done; TRACE("... read image infos\n"); - for (i = 0; i < image_infos.infoArrayCount; i++) + for (i = 0; i < image_infos.infos64.infoArrayCount; i++) { - if (info_array[i].imageFilePath != NULL && - ReadProcessMemory(pcs->handle, info_array[i].imageFilePath, bufstr, sizeof(bufstr), NULL)) + struct dyld_image_info64 info; + if (pcs->is_64bit) + info = info_array[i].info64; + else + { + struct dyld_image_info32 *info32 = &info_array->info32 + i; + info.imageLoadAddress = info32->imageLoadAddress; + info.imageFilePath = info32->imageFilePath; + } + if (info.imageFilePath && + ReadProcessMemory(pcs->handle, (void*)info.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, ARRAY_SIZE(bufstrW)); if (main_name && !bufstrW[0]) strcpyW(bufstrW, main_name); - if (!cb(bufstrW, (unsigned long)info_array[i].imageLoadAddress, user)) break; + if (!cb(bufstrW, info.imageLoadAddress, user)) break; } } @@ -1764,27 +1804,47 @@ static BOOL macho_search_loader(struct process* pcs, struct macho_info* macho_in WCHAR *loader = get_wine_loader_name(pcs); BOOL ret = FALSE; ULONG_PTR dyld_image_info_address; - struct dyld_all_image_infos image_infos; - struct dyld_image_info image_info; + union wine_all_image_infos image_infos; + union wine_image_info image_info; uint32_t len; char path[PATH_MAX]; BOOL got_path = FALSE; + if (pcs->is_64bit) + len = sizeof(image_infos.infos64); + else + len = sizeof(image_infos.infos32); dyld_image_info_address = get_dyld_image_info_address(pcs); if (dyld_image_info_address && - ReadProcessMemory(pcs->handle, (void*)dyld_image_info_address, &image_infos, sizeof(image_infos), NULL) && - image_infos.infoArray && image_infos.infoArrayCount && - ReadProcessMemory(pcs->handle, image_infos.infoArray, &image_info, sizeof(image_info), NULL) && - image_info.imageFilePath) + ReadProcessMemory(pcs->handle, (void*)dyld_image_info_address, &image_infos, len, NULL)) { - for (len = sizeof(path); len > 0; len /= 2) + if (pcs->is_64bit) + len = sizeof(image_info.info64); + else { - if (ReadProcessMemory(pcs->handle, image_info.imageFilePath, path, len, NULL)) + struct dyld_all_image_infos32 temp = image_infos.infos32; + image_infos.infos64.infoArrayCount = temp.infoArrayCount; + image_infos.infos64.infoArray = temp.infoArray; + len = sizeof(image_info.info32); + } + if (image_infos.infos64.infoArray && image_infos.infos64.infoArrayCount && + ReadProcessMemory(pcs->handle, (void*)image_infos.infos64.infoArray, &image_info, len, NULL)) + { + if (!pcs->is_64bit) { - path[len - 1] = 0; - got_path = TRUE; - TRACE("got executable path from target's dyld image info: %s\n", debugstr_a(path)); - break; + struct dyld_image_info32 temp = image_info.info32; + image_info.info64.imageLoadAddress = temp.imageLoadAddress; + image_info.info64.imageFilePath = temp.imageFilePath; + } + for (len = sizeof(path); image_info.info64.imageFilePath && len > 0; len /= 2) + { + if (ReadProcessMemory(pcs->handle, (void*)image_info.info64.imageFilePath, path, len, NULL)) + { + path[len - 1] = 0; + got_path = TRUE; + TRACE("got executable path from target's dyld image info: %s\n", debugstr_a(path)); + break; + } } } }
participants (1)
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Alexandre Julliard