mirror of
https://github.com/Atmosphere-NX/Atmosphere
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76 lines
3.5 KiB
C++
76 lines
3.5 KiB
C++
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <mesosphere.hpp>
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namespace ams::kern::svc {
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/* ============================= Common ============================= */
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namespace {
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Result QueryProcessMemory(ams::svc::MemoryInfo *out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle process_handle, uintptr_t address) {
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MESOSPHERE_LOG("%s: QueryProcessMemory(0x%08x, 0x%zx) was called\n", GetCurrentProcess().GetName(), process_handle, address);
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/* Get the process. */
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KScopedAutoObject process = GetCurrentProcess().GetHandleTable().GetObject<KProcess>(process_handle);
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R_UNLESS(process.IsNotNull(), svc::ResultInvalidHandle());
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/* Query the mapping's info. */
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KMemoryInfo info;
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R_TRY(process->GetPageTable().QueryInfo(std::addressof(info), out_page_info, address));
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/* Write output. */
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*out_memory_info = info.GetSvcMemoryInfo();
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return ResultSuccess();
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}
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Result QueryMemory(ams::svc::MemoryInfo *out_memory_info, ams::svc::PageInfo *out_page_info, uintptr_t address) {
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/* Query memory is just QueryProcessMemory on the current process. */
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return QueryProcessMemory(out_memory_info, out_page_info, ams::svc::PseudoHandle::CurrentProcess, address);
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}
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}
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/* ============================= 64 ABI ============================= */
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Result QueryMemory64(KUserPointer<ams::svc::lp64::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Address address) {
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/* Get an ams::svc::MemoryInfo for the region. */
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ams::svc::MemoryInfo info = {};
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R_TRY(QueryMemory(std::addressof(info), out_page_info, address));
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/* Try to copy to userspace. In the 64-bit case, ams::svc::lp64::MemoryInfo is the same as ams::svc::MemoryInfo. */
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static_assert(sizeof(ams::svc::MemoryInfo) == sizeof(ams::svc::lp64::MemoryInfo));
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R_TRY(out_memory_info.CopyFrom(std::addressof(info)));
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return ResultSuccess();
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}
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Result QueryProcessMemory64(KUserPointer<ams::svc::lp64::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle process_handle, uint64_t address) {
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MESOSPHERE_PANIC("Stubbed SvcQueryProcessMemory64 was called.");
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}
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/* ============================= 64From32 ABI ============================= */
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Result QueryMemory64From32(KUserPointer<ams::svc::ilp32::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Address address) {
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MESOSPHERE_PANIC("Stubbed SvcQueryMemory64From32 was called.");
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}
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Result QueryProcessMemory64From32(KUserPointer<ams::svc::ilp32::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle process_handle, uint64_t address) {
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MESOSPHERE_PANIC("Stubbed SvcQueryProcessMemory64From32 was called.");
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}
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}
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