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dbghelp: Correctly determine the dyld image info address. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-07-31 11:17:38 -05:00 committed by Alexandre Julliard
parent 42745c068f
commit b7defd2946
1 changed files with 14 additions and 4 deletions
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18
dlls/dbghelp/macho_module.c
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@ -1360,18 +1360,28 @@ static ULONG_PTR get_dyld_image_info_address(struct process* pcs)
NTSTATUS status;
PROCESS_BASIC_INFORMATION pbi;
ULONG_PTR dyld_image_info_address = 0;
BOOL ret;
/* Get address of PEB */
status = NtQueryInformationProcess(pcs->handle, ProcessBasicInformation, &pbi, sizeof(pbi), NULL);
if (status == STATUS_SUCCESS)
{
/* Read dyld image info address from PEB */
if (ReadProcessMemory(pcs->handle, &pbi.PebBaseAddress->Reserved[0],
&dyld_image_info_address, sizeof(dyld_image_info_address), NULL))
if (!pcs->is_64bit)
ret = ReadProcessMemory(pcs->handle, &pbi.PebBaseAddress->Reserved[0],
&dyld_image_info_address, sizeof(dyld_image_info_address), NULL);
else
{
TRACE("got dyld_image_info_address 0x%08lx from PEB %p MacDyldImageInfo %p\n",
(unsigned long)dyld_image_info_address, pbi.PebBaseAddress, &pbi.PebBaseAddress->Reserved);
PEB32 *peb32 = (PEB32 *)pbi.PebBaseAddress;
ULONG addr32;
ret = ReadProcessMemory(pcs->handle, &peb32->Reserved[0], &addr32,
sizeof(addr32), NULL);
dyld_image_info_address = addr32;
}
if (ret)
TRACE("got dyld_image_info_address %#lx from PEB %p\n",
dyld_image_info_address, pbi.PebBaseAddress);
}
#ifndef __LP64__ /* No reading the symtab with nlist(3) in LP64 */