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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#include "WindowsFallbackLoaderAPI.h"
namespace mozilla {
ModuleLoadInfo FallbackLoaderAPI::ConstructAndNotifyBeginDllLoad(
void** aContext, PCUNICODE_STRING aRequestedDllName) {
ModuleLoadInfo loadInfo(aRequestedDllName);
MOZ_ASSERT(mLoaderObserver);
if (mLoaderObserver) {
mLoaderObserver->OnBeginDllLoad(aContext, aRequestedDllName);
}
return loadInfo;
}
bool FallbackLoaderAPI::SubstituteForLSP(PCUNICODE_STRING aLSPLeafName,
PHANDLE aOutHandle) {
MOZ_ASSERT(mLoaderObserver);
if (!mLoaderObserver) {
return false;
}
return mLoaderObserver->SubstituteForLSP(aLSPLeafName, aOutHandle);
}
void FallbackLoaderAPI::NotifyEndDllLoad(void* aContext, NTSTATUS aLoadNtStatus,
ModuleLoadInfo&& aModuleLoadInfo) {
aModuleLoadInfo.SetEndLoadTimeStamp();
if (NT_SUCCESS(aLoadNtStatus)) {
aModuleLoadInfo.CaptureBacktrace();
}
MOZ_ASSERT(mLoaderObserver);
if (mLoaderObserver) {
mLoaderObserver->OnEndDllLoad(aContext, aLoadNtStatus,
std::move(aModuleLoadInfo));
}
}
nt::AllocatedUnicodeString FallbackLoaderAPI::GetSectionName(
void* aSectionAddr) {
static const StaticDynamicallyLinkedFunctionPtr<
decltype(&::NtQueryVirtualMemory)>
pNtQueryVirtualMemory(L"ntdll.dll", "NtQueryVirtualMemory");
MOZ_ASSERT(pNtQueryVirtualMemory);
if (!pNtQueryVirtualMemory) {
return nt::AllocatedUnicodeString();
}
nt::MemorySectionNameBuf buf;
NTSTATUS ntStatus =
pNtQueryVirtualMemory(::GetCurrentProcess(), aSectionAddr,
MemorySectionName, &buf, sizeof(buf), nullptr);
if (!NT_SUCCESS(ntStatus)) {
return nt::AllocatedUnicodeString();
}
return nt::AllocatedUnicodeString(&buf.mSectionFileName);
}
nt::LoaderAPI::InitDllBlocklistOOPFnPtr
FallbackLoaderAPI::GetDllBlocklistInitFn() {
MOZ_ASSERT_UNREACHABLE("This should not be called so soon!");
return nullptr;
}
nt::LoaderAPI::HandleLauncherErrorFnPtr
FallbackLoaderAPI::GetHandleLauncherErrorFn() {
MOZ_ASSERT_UNREACHABLE("This should not be called so soon!");
return nullptr;
}
nt::SharedSection* FallbackLoaderAPI::GetSharedSection() {
MOZ_ASSERT_UNREACHABLE("This should not be called so soon!");
return nullptr;
}
void FallbackLoaderAPI::SetObserver(nt::LoaderObserver* aLoaderObserver) {
mLoaderObserver = aLoaderObserver;
}
} // namespace mozilla
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