mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-29 13:46:01 +00:00
116 lines
No EOL
3.8 KiB
C++
116 lines
No EOL
3.8 KiB
C++
/*
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* Copyright (c) 2018-2019 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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#pragma once
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#include <switch.h>
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#include <cstdio>
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#include "ldr_content_management.hpp" /* for ExternalContentSource */
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#define MAGIC_NSO0 0x304F534E
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#define NSO_NUM_MAX 13
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class NsoUtils {
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public:
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struct NsoSegment {
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u32 file_offset;
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u32 dst_offset;
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u32 decomp_size;
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u32 align_or_total_size;
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};
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struct NsoHeader {
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u32 magic;
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u32 _0x4;
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u32 _0x8;
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u32 flags;
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NsoSegment segments[3];
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u8 build_id[0x20];
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u32 compressed_sizes[3];
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u8 _0x6C[0x24];
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u64 dynstr_extents;
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u64 dynsym_extents;
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u8 section_hashes[3][0x20];
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};
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struct NsoLoadExtents {
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u64 base_address;
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u64 total_size;
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u64 args_address;
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u64 args_size;
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u64 nso_addresses[NSO_NUM_MAX];
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u64 nso_sizes[NSO_NUM_MAX];
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};
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struct NsoArgument {
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u32 allocated_space;
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u32 args_size;
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u8 _0x8[0x18];
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u8 arguments[];
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};
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static_assert(sizeof(NsoHeader) == 0x100, "Incorrectly defined NsoHeader!");
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static const char *GetNsoFileName(unsigned int index) {
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switch (index) {
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case 0:
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return "rtld";
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case 1:
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return "main";
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case 2:
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return "subsdk0";
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case 3:
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return "subsdk1";
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case 4:
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return "subsdk2";
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case 5:
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return "subsdk3";
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case 6:
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return "subsdk4";
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case 7:
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return "subsdk5";
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case 8:
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return "subsdk6";
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case 9:
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return "subsdk7";
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case 10:
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return "subsdk8";
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case 11:
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return "subsdk9";
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case 12:
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return "sdk";
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default:
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std::abort();
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}
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}
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static FILE *OpenNsoFromECS(unsigned int index, ContentManagement::ExternalContentSource *ecs);
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static FILE *OpenNsoFromHBL(unsigned int index);
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static FILE *OpenNsoFromExeFS(unsigned int index);
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static FILE *OpenNsoFromSdCard(unsigned int index, u64 title_id);
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static bool CheckNsoStubbed(unsigned int index, u64 title_id);
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static FILE *OpenNso(unsigned int index, u64 title_id);
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static bool IsNsoPresent(unsigned int index);
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static unsigned char *GetNsoBuildId(unsigned int index);
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static Result LoadNsoHeaders(u64 title_id);
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static Result ValidateNsoLoadSet();
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static Result CalculateNsoLoadExtents(u32 addspace_type, u32 args_size, NsoLoadExtents *extents);
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static Result LoadNsoSegment(u64 title_id, unsigned int index, unsigned int segment, FILE *f_nso, u8 *map_base, u8 *map_end);
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static Result LoadNsosIntoProcessMemory(Handle process_h, u64 title_id, NsoLoadExtents *extents, const u8 *args, u32 args_size);
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}; |