mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
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62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
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* Copyright (c) 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 <stratosphere.hpp>
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namespace ams::diag::impl {
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namespace {
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constexpr inline uintptr_t ModulePathLengthOffset = 4;
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constexpr inline uintptr_t ModulePathOffset = 8;
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}
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uintptr_t GetModuleInfoForHorizon(const char **out_path, size_t *out_path_length, size_t *out_module_size, uintptr_t address) {
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/* Check for null address. */
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if (address == 0) {
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return 0;
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}
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/* Get module info. */
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ro::impl::ExceptionInfo exception_info;
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if (!ro::impl::GetExceptionInfo(std::addressof(exception_info), address)) {
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return 0;
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}
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/* Locate the path in the first non-read-execute segment. */
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svc::MemoryInfo mem_info;
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svc::PageInfo page_info;
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auto cur_address = exception_info.module_address;
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while (cur_address < exception_info.module_address + exception_info.module_size) {
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if (R_FAILED(svc::QueryMemory(std::addressof(mem_info), std::addressof(page_info), cur_address))) {
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return 0;
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}
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if (mem_info.permission != svc::MemoryPermission_ReadExecute) {
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break;
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}
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cur_address += mem_info.size;
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}
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/* Set output info. */
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*out_path = reinterpret_cast<const char *>(cur_address + ModulePathOffset);
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*out_path_length = *reinterpret_cast<const u32 *>(cur_address + ModulePathLengthOffset);
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*out_module_size = exception_info.module_size;
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return exception_info.module_address;
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}
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}
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