From 5dd854df4835d8db8b35224fcb90fcd171b5a973 Mon Sep 17 00:00:00 2001 From: DaLynX Date: Sun, 17 Feb 2019 22:47:19 +0100 Subject: [PATCH] Added x64 exception handling --- MemoryModule.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/MemoryModule.c b/MemoryModule.c index 9f95a70..2fb311b 100644 --- a/MemoryModule.c +++ b/MemoryModule.c @@ -435,6 +435,15 @@ PerformBaseRelocation(PMEMORYMODULE module, ptrdiff_t delta) return TRUE; } +static BOOL +RegisterExceptionHandling(PMEMORYMODULE module) +{ + PIMAGE_DATA_DIRECTORY pDir = GET_HEADER_DICTIONARY(module, IMAGE_DIRECTORY_ENTRY_EXCEPTION); + PIMAGE_RUNTIME_FUNCTION_ENTRY pEntry = (PIMAGE_RUNTIME_FUNCTION_ENTRY)(module->codeBase + pDir->VirtualAddress); + UINT count = (pDir->Size / sizeof(IMAGE_RUNTIME_FUNCTION_ENTRY)) - 1; + return RtlAddFunctionTable(pEntry, count, (DWORD64)module->codeBase); +} + static BOOL BuildImportTable(PMEMORYMODULE module) { @@ -725,6 +734,10 @@ HMEMORYMODULE MemoryLoadLibraryEx(const void *data, size_t size, goto error; } + if (!RegisterExceptionHandling(result)) { + goto error; + } + // mark memory pages depending on section headers and release // sections that are marked as "discardable" if (!FinalizeSections(result)) { pFad - Phonifier reborn

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