Merge pull request #22 from bunnei/loader-improvements
Refactor loader code and add preliminary NCCH supportmaster
commit
469fe42fad
@ -1,190 +0,0 @@
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <string>
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#include "common/common.h"
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#include "common/symbols.h"
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#include "core/mem_map.h"
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#include "core/elf/elf_reader.h"
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//void bswap(Elf32_Word &w) {w = Common::swap32(w);}
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//void bswap(Elf32_Half &w) {w = Common::swap16(w);}
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#define bswap(w) w // Dirty bswap disable for now... 3DS is little endian, anyway
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static void byteswapHeader(Elf32_Ehdr &ELF_H)
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{
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bswap(ELF_H.e_type);
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bswap(ELF_H.e_machine);
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bswap(ELF_H.e_ehsize);
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bswap(ELF_H.e_phentsize);
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bswap(ELF_H.e_phnum);
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bswap(ELF_H.e_shentsize);
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bswap(ELF_H.e_shnum);
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bswap(ELF_H.e_shstrndx);
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bswap(ELF_H.e_version);
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bswap(ELF_H.e_entry);
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bswap(ELF_H.e_phoff);
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bswap(ELF_H.e_shoff);
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bswap(ELF_H.e_flags);
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}
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static void byteswapSegment(Elf32_Phdr &sec)
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{
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bswap(sec.p_align);
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bswap(sec.p_filesz);
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bswap(sec.p_flags);
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bswap(sec.p_memsz);
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bswap(sec.p_offset);
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bswap(sec.p_paddr);
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bswap(sec.p_vaddr);
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bswap(sec.p_type);
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}
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static void byteswapSection(Elf32_Shdr &sec)
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{
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bswap(sec.sh_addr);
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bswap(sec.sh_addralign);
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bswap(sec.sh_entsize);
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bswap(sec.sh_flags);
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bswap(sec.sh_info);
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bswap(sec.sh_link);
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bswap(sec.sh_name);
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bswap(sec.sh_offset);
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bswap(sec.sh_size);
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bswap(sec.sh_type);
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}
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ElfReader::ElfReader(void *ptr)
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{
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base = (char*)ptr;
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base32 = (u32 *)ptr;
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header = (Elf32_Ehdr*)ptr;
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byteswapHeader(*header);
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segments = (Elf32_Phdr *)(base + header->e_phoff);
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sections = (Elf32_Shdr *)(base + header->e_shoff);
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entryPoint = header->e_entry;
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LoadSymbols();
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}
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const char *ElfReader::GetSectionName(int section) const
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{
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if (sections[section].sh_type == SHT_NULL)
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return nullptr;
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int nameOffset = sections[section].sh_name;
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char *ptr = (char*)GetSectionDataPtr(header->e_shstrndx);
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if (ptr)
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return ptr + nameOffset;
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else
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return nullptr;
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}
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bool ElfReader::LoadInto(u32 vaddr)
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{
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DEBUG_LOG(MASTER_LOG,"String section: %i", header->e_shstrndx);
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// Should we relocate?
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bRelocate = (header->e_type != ET_EXEC);
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if (bRelocate)
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{
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DEBUG_LOG(MASTER_LOG,"Relocatable module");
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entryPoint += vaddr;
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}
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else
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{
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DEBUG_LOG(MASTER_LOG,"Prerelocated executable");
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}
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INFO_LOG(MASTER_LOG,"%i segments:", header->e_phnum);
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// First pass : Get the bits into RAM
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u32 segmentVAddr[32];
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u32 baseAddress = bRelocate?vaddr:0;
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for (int i = 0; i < header->e_phnum; i++)
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{
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Elf32_Phdr *p = segments + i;
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INFO_LOG(MASTER_LOG, "Type: %i Vaddr: %08x Filesz: %i Memsz: %i ", p->p_type, p->p_vaddr, p->p_filesz, p->p_memsz);
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if (p->p_type == PT_LOAD)
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{
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segmentVAddr[i] = baseAddress + p->p_vaddr;
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u32 writeAddr = segmentVAddr[i];
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const u8 *src = GetSegmentPtr(i);
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u8 *dst = Memory::GetPointer(writeAddr);
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u32 srcSize = p->p_filesz;
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u32 dstSize = p->p_memsz;
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u32 *s = (u32*)src;
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u32 *d = (u32*)dst;
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for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
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{
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*d++ = /*_byteswap_ulong*/(*s++);
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}
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if (srcSize < dstSize)
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{
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//memset(dst + srcSize, 0, dstSize-srcSize); //zero out bss
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}
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INFO_LOG(MASTER_LOG,"Loadable Segment Copied to %08x, size %08x", writeAddr, p->p_memsz);
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}
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}
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INFO_LOG(MASTER_LOG,"Done loading.");
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return true;
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}
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SectionID ElfReader::GetSectionByName(const char *name, int firstSection) const
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{
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for (int i = firstSection; i < header->e_shnum; i++)
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{
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const char *secname = GetSectionName(i);
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if (secname != nullptr && strcmp(name, secname) == 0)
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return i;
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}
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return -1;
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}
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bool ElfReader::LoadSymbols()
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{
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bool hasSymbols = false;
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SectionID sec = GetSectionByName(".symtab");
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if (sec != -1)
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{
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int stringSection = sections[sec].sh_link;
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const char *stringBase = (const char *)GetSectionDataPtr(stringSection);
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//We have a symbol table!
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Elf32_Sym *symtab = (Elf32_Sym *)(GetSectionDataPtr(sec));
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int numSymbols = sections[sec].sh_size / sizeof(Elf32_Sym);
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for (int sym = 0; sym < numSymbols; sym++)
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{
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int size = symtab[sym].st_size;
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if (size == 0)
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continue;
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// int bind = symtab[sym].st_info >> 4;
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int type = symtab[sym].st_info & 0xF;
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const char *name = stringBase + symtab[sym].st_name;
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Symbols::Add(symtab[sym].st_value, name, size, type);
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hasSymbols = true;
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}
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}
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return hasSymbols;
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}
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@ -1,75 +0,0 @@
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "core/elf/elf_types.h"
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enum KnownElfTypes
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{
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KNOWNELF_PSP = 0,
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KNOWNELF_DS = 1,
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KNOWNELF_GBA = 2,
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KNOWNELF_GC = 3,
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};
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typedef int SectionID;
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class ElfReader
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{
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private:
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char *base;
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u32 *base32;
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Elf32_Ehdr *header;
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Elf32_Phdr *segments;
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Elf32_Shdr *sections;
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u32 *sectionAddrs;
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bool bRelocate;
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u32 entryPoint;
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public:
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ElfReader(void *ptr);
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~ElfReader() { }
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u32 Read32(int off) const { return base32[off>>2]; }
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// Quick accessors
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ElfType GetType() const { return (ElfType)(header->e_type); }
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ElfMachine GetMachine() const { return (ElfMachine)(header->e_machine); }
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u32 GetEntryPoint() const { return entryPoint; }
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u32 GetFlags() const { return (u32)(header->e_flags); }
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bool LoadInto(u32 vaddr);
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bool LoadSymbols();
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int GetNumSegments() const { return (int)(header->e_phnum); }
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int GetNumSections() const { return (int)(header->e_shnum); }
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const u8 *GetPtr(int offset) const { return (u8*)base + offset; }
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const char *GetSectionName(int section) const;
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const u8 *GetSectionDataPtr(int section) const
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{
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if (section < 0 || section >= header->e_shnum)
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return nullptr;
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if (sections[section].sh_type != SHT_NOBITS)
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return GetPtr(sections[section].sh_offset);
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else
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return nullptr;
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}
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bool IsCodeSection(int section) const
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{
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return sections[section].sh_type == SHT_PROGBITS;
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}
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const u8 *GetSegmentPtr(int segment)
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{
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return GetPtr(segments[segment].p_offset);
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}
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u32 GetSectionAddr(SectionID section) const { return sectionAddrs[section]; }
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int GetSectionSize(SectionID section) const { return sections[section].sh_size; }
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SectionID GetSectionByName(const char *name, int firstSection = 0) const; //-1 for not found
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bool DidRelocate() {
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return bRelocate;
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}
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};
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// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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// ELF Header Constants
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// File type
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enum ElfType
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{
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ET_NONE = 0,
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ET_REL = 1,
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ET_EXEC = 2,
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ET_DYN = 3,
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ET_CORE = 4,
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ET_LOPROC = 0xFF00,
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ET_HIPROC = 0xFFFF,
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};
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// Machine/Architecture
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enum ElfMachine
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{
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EM_NONE = 0,
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EM_M32 = 1,
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EM_SPARC = 2,
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EM_386 = 3,
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EM_68K = 4,
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EM_88K = 5,
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EM_860 = 7,
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EM_MIPS = 8
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};
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// File version
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#define EV_NONE 0
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#define EV_CURRENT 1
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// Identification index
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#define EI_MAG0 0
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#define EI_MAG1 1
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#define EI_MAG2 2
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#define EI_MAG3 3
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#define EI_CLASS 4
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#define EI_DATA 5
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#define EI_VERSION 6
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#define EI_PAD 7
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#define EI_NIDENT 16
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// Magic number
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#define ELFMAG0 0x7F
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#define ELFMAG1 'E'
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#define ELFMAG2 'L'
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#define ELFMAG3 'F'
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// File class
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#define ELFCLASSNONE 0
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#define ELFCLASS32 1
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#define ELFCLASS64 2
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// Encoding
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#define ELFDATANONE 0
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#define ELFDATA2LSB 1
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#define ELFDATA2MSB 2
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// Sections constants
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// Section indexes
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#define SHN_UNDEF 0
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#define SHN_LORESERVE 0xFF00
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#define SHN_LOPROC 0xFF00
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#define SHN_HIPROC 0xFF1F
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#define SHN_ABS 0xFFF1
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#define SHN_COMMON 0xFFF2
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#define SHN_HIRESERVE 0xFFFF
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// Section types
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#define SHT_NULL 0
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#define SHT_PROGBITS 1
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#define SHT_SYMTAB 2
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#define SHT_STRTAB 3
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#define SHT_RELA 4
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#define SHT_HASH 5
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#define SHT_DYNAMIC 6
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#define SHT_NOTE 7
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#define SHT_NOBITS 8
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#define SHT_REL 9
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#define SHT_SHLIB 10
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#define SHT_DYNSYM 11
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#define SHT_LOPROC 0x70000000
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#define SHT_HIPROC 0x7FFFFFFF
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#define SHT_LOUSER 0x80000000
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#define SHT_HIUSER 0xFFFFFFFF
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// Custom section types
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#define SHT_PSPREL 0x700000a0
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// Section flags
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enum ElfSectionFlags
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{
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SHF_WRITE = 0x1,
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SHF_ALLOC = 0x2,
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SHF_EXECINSTR = 0x4,
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SHF_MASKPROC = 0xF0000000,
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};
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// Symbol binding
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#define STB_LOCAL 0
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#define STB_GLOBAL 1
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#define STB_WEAK 2
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#define STB_LOPROC 13
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#define STB_HIPROC 15
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// Symbol types
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#define STT_NOTYPE 0
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#define STT_OBJECT 1
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#define STT_FUNC 2
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#define STT_SECTION 3
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#define STT_FILE 4
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#define STT_LOPROC 13
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#define STT_HIPROC 15
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// Undefined name
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#define STN_UNDEF 0
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// Relocation types
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#define R_386_NONE 0
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#define R_386_32 1
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#define R_386_PC32 2
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#define R_386_GOT32 3
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#define R_386_PLT32 4
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#define R_386_COPY 5
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#define R_386_GLOB_DAT 6
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#define R_386_JMP_SLOT 7
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#define R_386_RELATIVE 8
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#define R_386_GOTOFF 9
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#define R_386_GOTPC 10
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// Segment types
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#define PT_NULL 0
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#define PT_LOAD 1
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#define PT_DYNAMIC 2
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#define PT_INTERP 3
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#define PT_NOTE 4
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#define PT_SHLIB 5
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#define PT_PHDR 6
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#define PT_LOPROC 0x70000000
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#define PT_HIPROC 0x7FFFFFFF
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// Segment flags
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#define PF_X 1
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#define PF_W 2
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#define PF_R 4
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// Dynamic Array Tags
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#define DT_NULL 0
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#define DT_NEEDED 1
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#define DT_PLTRELSZ 2
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#define DT_PLTGOT 3
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#define DT_HASH 4
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#define DT_STRTAB 5
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#define DT_SYMTAB 6
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#define DT_RELA 7
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#define DT_RELASZ 8
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#define DT_RELAENT 9
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#define DT_STRSZ 10
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#define DT_SYMENT 11
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#define DT_INIT 12
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#define DT_FINI 13
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#define DT_SONAME 14
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#define DT_RPATH 15
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#define DT_SYMBOLIC 16
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#define DT_REL 17
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#define DT_RELSZ 18
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#define DT_RELENT 19
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#define DT_PLTREL 20
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#define DT_DEBUG 21
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#define DT_TEXTREL 22
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#define DT_JMPREL 23
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#define DT_LOPROC 0x70000000
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#define DT_HIPROC 0x7FFFFFFF
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typedef unsigned int Elf32_Addr;
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typedef unsigned short Elf32_Half;
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typedef unsigned int Elf32_Off;
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typedef signed int Elf32_Sword;
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typedef unsigned int Elf32_Word;
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// ELF file header
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||||
struct Elf32_Ehdr
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{
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||||
unsigned char e_ident[EI_NIDENT];
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Elf32_Half e_type;
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Elf32_Half e_machine;
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Elf32_Word e_version;
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Elf32_Addr e_entry;
|
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Elf32_Off e_phoff;
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Elf32_Off e_shoff;
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Elf32_Word e_flags;
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Elf32_Half e_ehsize;
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Elf32_Half e_phentsize;
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Elf32_Half e_phnum;
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Elf32_Half e_shentsize;
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Elf32_Half e_shnum;
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Elf32_Half e_shstrndx;
|
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};
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// Section header
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||||
struct Elf32_Shdr
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{
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||||
Elf32_Word sh_name;
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||||
Elf32_Word sh_type;
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||||
Elf32_Word sh_flags;
|
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Elf32_Addr sh_addr;
|
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Elf32_Off sh_offset;
|
||||
Elf32_Word sh_size;
|
||||
Elf32_Word sh_link;
|
||||
Elf32_Word sh_info;
|
||||
Elf32_Word sh_addralign;
|
||||
Elf32_Word sh_entsize;
|
||||
};
|
||||
|
||||
// Segment header
|
||||
struct Elf32_Phdr
|
||||
{
|
||||
Elf32_Word p_type;
|
||||
Elf32_Off p_offset;
|
||||
Elf32_Addr p_vaddr;
|
||||
Elf32_Addr p_paddr;
|
||||
Elf32_Word p_filesz;
|
||||
Elf32_Word p_memsz;
|
||||
Elf32_Word p_flags;
|
||||
Elf32_Word p_align;
|
||||
};
|
||||
|
||||
// Symbol table entry
|
||||
struct Elf32_Sym
|
||||
{
|
||||
Elf32_Word st_name;
|
||||
Elf32_Addr st_value;
|
||||
Elf32_Word st_size;
|
||||
unsigned char st_info;
|
||||
unsigned char st_other;
|
||||
Elf32_Half st_shndx;
|
||||
};
|
||||
|
||||
#define ELF32_ST_BIND(i) ((i)>>4)
|
||||
#define ELF32_ST_TYPE(i) ((i)&0xf)
|
||||
#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
|
||||
|
||||
// Relocation entries
|
||||
struct Elf32_Rel
|
||||
{
|
||||
Elf32_Addr r_offset;
|
||||
Elf32_Word r_info;
|
||||
};
|
||||
|
||||
struct Elf32_Rela
|
||||
{
|
||||
Elf32_Addr r_offset;
|
||||
Elf32_Word r_info;
|
||||
Elf32_Sword r_addend;
|
||||
};
|
||||
|
||||
#define ELF32_R_SYM(i) ((i)>>8)
|
||||
#define ELF32_R_TYPE(i) ((unsigned char)(i))
|
||||
#define ELF32_R_INFO(s,t) (((s)<<8 )+(unsigned char)(t))
|
||||
|
||||
|
||||
struct Elf32_Dyn
|
||||
{
|
||||
Elf32_Sword d_tag;
|
||||
union
|
||||
{
|
||||
Elf32_Word d_val;
|
||||
Elf32_Addr d_ptr;
|
||||
} d_un;
|
||||
};
|
@ -1,275 +0,0 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "common/file_util.h"
|
||||
|
||||
#include "core/loader.h"
|
||||
#include "core/system.h"
|
||||
#include "core/core.h"
|
||||
#include "core/file_sys/directory_file_system.h"
|
||||
#include "core/elf/elf_reader.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/mem_map.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/// Loads an extracted CXI from a directory
|
||||
bool LoadDirectory_CXI(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
DirectoryFileSystem *fs = new DirectoryFileSystem(&System::g_ctr_file_system, path);
|
||||
System::g_ctr_file_system.Mount("fs:", fs);
|
||||
|
||||
std::string final_name = "fs:/" + file + extension;
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
// TODO(ShizZy): read here to memory....
|
||||
}
|
||||
ERROR_LOG(TIME, "Unimplemented function!");
|
||||
return true;
|
||||
}
|
||||
|
||||
/// Loads a CTR ELF file
|
||||
bool Load_ELF(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
u64 size = f.GetSize();
|
||||
u8* buffer = new u8[size];
|
||||
ElfReader* elf_reader = NULL;
|
||||
|
||||
f.ReadBytes(buffer, size);
|
||||
|
||||
elf_reader = new ElfReader(buffer);
|
||||
elf_reader->LoadInto(0x00100000);
|
||||
|
||||
Kernel::LoadExec(elf_reader->GetEntryPoint());
|
||||
|
||||
delete[] buffer;
|
||||
delete elf_reader;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
f.Close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/// Loads a Launcher DAT file
|
||||
bool Load_DAT(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
u64 size = f.GetSize();
|
||||
u8* buffer = new u8[size];
|
||||
|
||||
f.ReadBytes(buffer, size);
|
||||
|
||||
/**
|
||||
* (mattvail) We shouldn't really support this type of file
|
||||
* but for the sake of making it easier... we'll temporarily/hackishly
|
||||
* allow it. No sense in making a proper reader for this.
|
||||
*/
|
||||
u32 entry_point = 0x00100000; // write to same entrypoint as elf
|
||||
u32 payload_offset = 0xA150;
|
||||
|
||||
const u8 *src = &buffer[payload_offset];
|
||||
u8 *dst = Memory::GetPointer(entry_point);
|
||||
u32 srcSize = size - payload_offset; //just load everything...
|
||||
u32 *s = (u32*)src;
|
||||
u32 *d = (u32*)dst;
|
||||
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
||||
{
|
||||
*d++ = (*s++);
|
||||
}
|
||||
|
||||
Kernel::LoadExec(entry_point);
|
||||
|
||||
|
||||
delete[] buffer;
|
||||
}
|
||||
else {
|
||||
return false;
|
||||
}
|
||||
f.Close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/// Loads a CTR BIN file extracted from an ExeFS
|
||||
bool Load_BIN(std::string &filename) {
|
||||
std::string full_path = filename;
|
||||
std::string path, file, extension;
|
||||
SplitPath(ReplaceAll(full_path, "\\", "/"), &path, &file, &extension);
|
||||
#if EMU_PLATFORM == PLATFORM_WINDOWS
|
||||
path = ReplaceAll(path, "/", "\\");
|
||||
#endif
|
||||
File::IOFile f(filename, "rb");
|
||||
|
||||
if (f.IsOpen()) {
|
||||
u64 size = f.GetSize();
|
||||
u8* buffer = new u8[size];
|
||||
|
||||
f.ReadBytes(buffer, size);
|
||||
|
||||
u32 entry_point = 0x00100000; // Hardcoded, read from exheader
|
||||
|
||||
const u8 *src = buffer;
|
||||
u8 *dst = Memory::GetPointer(entry_point);
|
||||
u32 srcSize = size;
|
||||
u32 *s = (u32*)src;
|
||||
u32 *d = (u32*)dst;
|
||||
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
||||
{
|
||||
*d++ = (*s++);
|
||||
}
|
||||
|
||||
Kernel::LoadExec(entry_point);
|
||||
|
||||
delete[] buffer;
|
||||
}
|
||||
else {
|
||||
return false;
|
||||
}
|
||||
f.Close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
namespace Loader {
|
||||
|
||||
bool IsBootableDirectory() {
|
||||
ERROR_LOG(TIME, "Unimplemented function!");
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @todo (ShizZy) this function sucks... make it actually check file contents etc.
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(std::string &filename) {
|
||||
if (filename.size() == 0) {
|
||||
ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
|
||||
return FILETYPE_ERROR;
|
||||
}
|
||||
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
|
||||
|
||||
if (File::IsDirectory(filename)) {
|
||||
if (IsBootableDirectory()) {
|
||||
return FILETYPE_DIRECTORY_CXI;
|
||||
}
|
||||
else {
|
||||
return FILETYPE_NORMAL_DIRECTORY;
|
||||
}
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".elf")) {
|
||||
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".axf")) {
|
||||
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".bin")) {
|
||||
return FILETYPE_CTR_BIN;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".dat")) {
|
||||
return FILETYPE_LAUNCHER_DAT;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".zip")) {
|
||||
return FILETYPE_ARCHIVE_ZIP;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".rar")) {
|
||||
return FILETYPE_ARCHIVE_RAR;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".r00")) {
|
||||
return FILETYPE_ARCHIVE_RAR;
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".r01")) {
|
||||
return FILETYPE_ARCHIVE_RAR;
|
||||
}
|
||||
return FILETYPE_UNKNOWN;
|
||||
}
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @param error_string Point to string to put error message if an error has occurred
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
bool LoadFile(std::string &filename, std::string *error_string) {
|
||||
INFO_LOG(LOADER, "Identifying file...");
|
||||
|
||||
// Note that this can modify filename!
|
||||
switch (IdentifyFile(filename)) {
|
||||
|
||||
case FILETYPE_CTR_ELF:
|
||||
return Load_ELF(filename);
|
||||
|
||||
case FILETYPE_CTR_BIN:
|
||||
return Load_BIN(filename);
|
||||
|
||||
case FILETYPE_LAUNCHER_DAT:
|
||||
return Load_DAT(filename);
|
||||
|
||||
case FILETYPE_DIRECTORY_CXI:
|
||||
return LoadDirectory_CXI(filename);
|
||||
|
||||
case FILETYPE_ERROR:
|
||||
ERROR_LOG(LOADER, "Could not read file");
|
||||
*error_string = "Error reading file";
|
||||
break;
|
||||
|
||||
case FILETYPE_ARCHIVE_RAR:
|
||||
#ifdef WIN32
|
||||
*error_string = "RAR file detected (Require WINRAR)";
|
||||
#else
|
||||
*error_string = "RAR file detected (Require UnRAR)";
|
||||
#endif
|
||||
break;
|
||||
|
||||
case FILETYPE_ARCHIVE_ZIP:
|
||||
#ifdef WIN32
|
||||
*error_string = "ZIP file detected (Require WINRAR)";
|
||||
#else
|
||||
*error_string = "ZIP file detected (Require UnRAR)";
|
||||
#endif
|
||||
break;
|
||||
|
||||
case FILETYPE_NORMAL_DIRECTORY:
|
||||
ERROR_LOG(LOADER, "Just a directory.");
|
||||
*error_string = "Just a directory.";
|
||||
break;
|
||||
|
||||
case FILETYPE_UNKNOWN_BIN:
|
||||
case FILETYPE_UNKNOWN_ELF:
|
||||
case FILETYPE_UNKNOWN:
|
||||
default:
|
||||
ERROR_LOG(LOADER, "Failed to identify file");
|
||||
*error_string = " Failed to identify file";
|
||||
break;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
} // namespace
|
@ -1,54 +0,0 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
namespace Loader {
|
||||
|
||||
enum FileType {
|
||||
FILETYPE_ERROR,
|
||||
|
||||
FILETYPE_CTR_CCI,
|
||||
FILETYPE_CTR_CIA,
|
||||
FILETYPE_CTR_CXI,
|
||||
FILETYPE_CTR_ELF,
|
||||
FILETYPE_CTR_BIN,
|
||||
|
||||
FILETYPE_LAUNCHER_DAT,
|
||||
|
||||
FILETYPE_DIRECTORY_CXI,
|
||||
|
||||
FILETYPE_UNKNOWN_BIN,
|
||||
FILETYPE_UNKNOWN_ELF,
|
||||
|
||||
FILETYPE_ARCHIVE_RAR,
|
||||
FILETYPE_ARCHIVE_ZIP,
|
||||
|
||||
FILETYPE_NORMAL_DIRECTORY,
|
||||
|
||||
FILETYPE_UNKNOWN
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(std::string &filename);
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @param error_string Point to string to put error message if an error has occurred
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
bool LoadFile(std::string &filename, std::string *error_string);
|
||||
|
||||
} // namespace
|
@ -0,0 +1,370 @@
|
||||
// Copyright 2013 Dolphin Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <string>
|
||||
#include <memory>
|
||||
|
||||
#include "common/common.h"
|
||||
#include "common/file_util.h"
|
||||
#include "common/symbols.h"
|
||||
|
||||
#include "core/mem_map.h"
|
||||
#include "core/loader/elf.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ELF Header Constants
|
||||
|
||||
// File type
|
||||
enum ElfType {
|
||||
ET_NONE = 0,
|
||||
ET_REL = 1,
|
||||
ET_EXEC = 2,
|
||||
ET_DYN = 3,
|
||||
ET_CORE = 4,
|
||||
ET_LOPROC = 0xFF00,
|
||||
ET_HIPROC = 0xFFFF,
|
||||
};
|
||||
|
||||
// Machine/Architecture
|
||||
enum ElfMachine {
|
||||
EM_NONE = 0,
|
||||
EM_M32 = 1,
|
||||
EM_SPARC = 2,
|
||||
EM_386 = 3,
|
||||
EM_68K = 4,
|
||||
EM_88K = 5,
|
||||
EM_860 = 7,
|
||||
EM_MIPS = 8
|
||||
};
|
||||
|
||||
// File version
|
||||
#define EV_NONE 0
|
||||
#define EV_CURRENT 1
|
||||
|
||||
// Identification index
|
||||
#define EI_MAG0 0
|
||||
#define EI_MAG1 1
|
||||
#define EI_MAG2 2
|
||||
#define EI_MAG3 3
|
||||
#define EI_CLASS 4
|
||||
#define EI_DATA 5
|
||||
#define EI_VERSION 6
|
||||
#define EI_PAD 7
|
||||
#define EI_NIDENT 16
|
||||
|
||||
// Magic number
|
||||
#define ELFMAG0 0x7F
|
||||
#define ELFMAG1 'E'
|
||||
#define ELFMAG2 'L'
|
||||
#define ELFMAG3 'F'
|
||||
|
||||
// Sections constants
|
||||
|
||||
// Section types
|
||||
#define SHT_NULL 0
|
||||
#define SHT_PROGBITS 1
|
||||
#define SHT_SYMTAB 2
|
||||
#define SHT_STRTAB 3
|
||||
#define SHT_RELA 4
|
||||
#define SHT_HASH 5
|
||||
#define SHT_DYNAMIC 6
|
||||
#define SHT_NOTE 7
|
||||
#define SHT_NOBITS 8
|
||||
#define SHT_REL 9
|
||||
#define SHT_SHLIB 10
|
||||
#define SHT_DYNSYM 11
|
||||
#define SHT_LOPROC 0x70000000
|
||||
#define SHT_HIPROC 0x7FFFFFFF
|
||||
#define SHT_LOUSER 0x80000000
|
||||
#define SHT_HIUSER 0xFFFFFFFF
|
||||
|
||||
// Section flags
|
||||
enum ElfSectionFlags
|
||||
{
|
||||
SHF_WRITE = 0x1,
|
||||
SHF_ALLOC = 0x2,
|
||||
SHF_EXECINSTR = 0x4,
|
||||
SHF_MASKPROC = 0xF0000000,
|
||||
};
|
||||
|
||||
// Segment types
|
||||
#define PT_NULL 0
|
||||
#define PT_LOAD 1
|
||||
#define PT_DYNAMIC 2
|
||||
#define PT_INTERP 3
|
||||
#define PT_NOTE 4
|
||||
#define PT_SHLIB 5
|
||||
#define PT_PHDR 6
|
||||
#define PT_LOPROC 0x70000000
|
||||
#define PT_HIPROC 0x7FFFFFFF
|
||||
|
||||
typedef unsigned int Elf32_Addr;
|
||||
typedef unsigned short Elf32_Half;
|
||||
typedef unsigned int Elf32_Off;
|
||||
typedef signed int Elf32_Sword;
|
||||
typedef unsigned int Elf32_Word;
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ELF file header
|
||||
|
||||
struct Elf32_Ehdr {
|
||||
unsigned char e_ident[EI_NIDENT];
|
||||
Elf32_Half e_type;
|
||||
Elf32_Half e_machine;
|
||||
Elf32_Word e_version;
|
||||
Elf32_Addr e_entry;
|
||||
Elf32_Off e_phoff;
|
||||
Elf32_Off e_shoff;
|
||||
Elf32_Word e_flags;
|
||||
Elf32_Half e_ehsize;
|
||||
Elf32_Half e_phentsize;
|
||||
Elf32_Half e_phnum;
|
||||
Elf32_Half e_shentsize;
|
||||
Elf32_Half e_shnum;
|
||||
Elf32_Half e_shstrndx;
|
||||
};
|
||||
|
||||
// Section header
|
||||
struct Elf32_Shdr {
|
||||
Elf32_Word sh_name;
|
||||
Elf32_Word sh_type;
|
||||
Elf32_Word sh_flags;
|
||||
Elf32_Addr sh_addr;
|
||||
Elf32_Off sh_offset;
|
||||
Elf32_Word sh_size;
|
||||
Elf32_Word sh_link;
|
||||
Elf32_Word sh_info;
|
||||
Elf32_Word sh_addralign;
|
||||
Elf32_Word sh_entsize;
|
||||
};
|
||||
|
||||
// Segment header
|
||||
struct Elf32_Phdr {
|
||||
Elf32_Word p_type;
|
||||
Elf32_Off p_offset;
|
||||
Elf32_Addr p_vaddr;
|
||||
Elf32_Addr p_paddr;
|
||||
Elf32_Word p_filesz;
|
||||
Elf32_Word p_memsz;
|
||||
Elf32_Word p_flags;
|
||||
Elf32_Word p_align;
|
||||
};
|
||||
|
||||
// Symbol table entry
|
||||
struct Elf32_Sym {
|
||||
Elf32_Word st_name;
|
||||
Elf32_Addr st_value;
|
||||
Elf32_Word st_size;
|
||||
unsigned char st_info;
|
||||
unsigned char st_other;
|
||||
Elf32_Half st_shndx;
|
||||
};
|
||||
|
||||
// Relocation entries
|
||||
struct Elf32_Rel {
|
||||
Elf32_Addr r_offset;
|
||||
Elf32_Word r_info;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ElfReader class
|
||||
|
||||
typedef int SectionID;
|
||||
|
||||
class ElfReader {
|
||||
private:
|
||||
char *base;
|
||||
u32 *base32;
|
||||
|
||||
Elf32_Ehdr *header;
|
||||
Elf32_Phdr *segments;
|
||||
Elf32_Shdr *sections;
|
||||
|
||||
u32 *sectionAddrs;
|
||||
bool relocate;
|
||||
u32 entryPoint;
|
||||
|
||||
public:
|
||||
ElfReader(void *ptr);
|
||||
~ElfReader() { }
|
||||
|
||||
u32 Read32(int off) const { return base32[off >> 2]; }
|
||||
|
||||
// Quick accessors
|
||||
ElfType GetType() const { return (ElfType)(header->e_type); }
|
||||
ElfMachine GetMachine() const { return (ElfMachine)(header->e_machine); }
|
||||
u32 GetEntryPoint() const { return entryPoint; }
|
||||
u32 GetFlags() const { return (u32)(header->e_flags); }
|
||||
bool LoadInto(u32 vaddr);
|
||||
bool LoadSymbols();
|
||||
|
||||
int GetNumSegments() const { return (int)(header->e_phnum); }
|
||||
int GetNumSections() const { return (int)(header->e_shnum); }
|
||||
const u8 *GetPtr(int offset) const { return (u8*)base + offset; }
|
||||
const char *GetSectionName(int section) const;
|
||||
const u8 *GetSectionDataPtr(int section) const {
|
||||
if (section < 0 || section >= header->e_shnum)
|
||||
return nullptr;
|
||||
if (sections[section].sh_type != SHT_NOBITS)
|
||||
return GetPtr(sections[section].sh_offset);
|
||||
else
|
||||
return nullptr;
|
||||
}
|
||||
bool IsCodeSection(int section) const {
|
||||
return sections[section].sh_type == SHT_PROGBITS;
|
||||
}
|
||||
const u8 *GetSegmentPtr(int segment) {
|
||||
return GetPtr(segments[segment].p_offset);
|
||||
}
|
||||
u32 GetSectionAddr(SectionID section) const { return sectionAddrs[section]; }
|
||||
int GetSectionSize(SectionID section) const { return sections[section].sh_size; }
|
||||
SectionID GetSectionByName(const char *name, int firstSection = 0) const; //-1 for not found
|
||||
|
||||
bool DidRelocate() {
|
||||
return relocate;
|
||||
}
|
||||
};
|
||||
|
||||
ElfReader::ElfReader(void *ptr) {
|
||||
base = (char*)ptr;
|
||||
base32 = (u32 *)ptr;
|
||||
header = (Elf32_Ehdr*)ptr;
|
||||
|
||||
segments = (Elf32_Phdr *)(base + header->e_phoff);
|
||||
sections = (Elf32_Shdr *)(base + header->e_shoff);
|
||||
|
||||
entryPoint = header->e_entry;
|
||||
|
||||
LoadSymbols();
|
||||
}
|
||||
|
||||
const char *ElfReader::GetSectionName(int section) const {
|
||||
if (sections[section].sh_type == SHT_NULL)
|
||||
return nullptr;
|
||||
|
||||
int name_offset = sections[section].sh_name;
|
||||
char *ptr = (char*)GetSectionDataPtr(header->e_shstrndx);
|
||||
|
||||
if (ptr)
|
||||
return ptr + name_offset;
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
bool ElfReader::LoadInto(u32 vaddr) {
|
||||
DEBUG_LOG(MASTER_LOG, "String section: %i", header->e_shstrndx);
|
||||
|
||||
// Should we relocate?
|
||||
relocate = (header->e_type != ET_EXEC);
|
||||
|
||||
if (relocate) {
|
||||
DEBUG_LOG(MASTER_LOG, "Relocatable module");
|
||||
entryPoint += vaddr;
|
||||
} else {
|
||||
DEBUG_LOG(MASTER_LOG, "Prerelocated executable");
|
||||
}
|
||||
INFO_LOG(MASTER_LOG, "%i segments:", header->e_phnum);
|
||||
|
||||
// First pass : Get the bits into RAM
|
||||
u32 segment_addr[32];
|
||||
u32 base_addr = relocate ? vaddr : 0;
|
||||
|
||||
for (int i = 0; i < header->e_phnum; i++) {
|
||||
Elf32_Phdr *p = segments + i;
|
||||
INFO_LOG(MASTER_LOG, "Type: %i Vaddr: %08x Filesz: %i Memsz: %i ", p->p_type, p->p_vaddr,
|
||||
p->p_filesz, p->p_memsz);
|
||||
|
||||
if (p->p_type == PT_LOAD) {
|
||||
segment_addr[i] = base_addr + p->p_vaddr;
|
||||
memcpy(Memory::GetPointer(segment_addr[i]), GetSegmentPtr(i), p->p_filesz);
|
||||
INFO_LOG(MASTER_LOG, "Loadable Segment Copied to %08x, size %08x", segment_addr[i],
|
||||
p->p_memsz);
|
||||
}
|
||||
}
|
||||
INFO_LOG(MASTER_LOG, "Done loading.");
|
||||
return true;
|
||||
}
|
||||
|
||||
SectionID ElfReader::GetSectionByName(const char *name, int firstSection) const {
|
||||
for (int i = firstSection; i < header->e_shnum; i++) {
|
||||
const char *secname = GetSectionName(i);
|
||||
|
||||
if (secname != nullptr && strcmp(name, secname) == 0)
|
||||
return i;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
bool ElfReader::LoadSymbols() {
|
||||
bool hasSymbols = false;
|
||||
SectionID sec = GetSectionByName(".symtab");
|
||||
if (sec != -1) {
|
||||
int stringSection = sections[sec].sh_link;
|
||||
const char *stringBase = (const char *)GetSectionDataPtr(stringSection);
|
||||
|
||||
//We have a symbol table!
|
||||
Elf32_Sym *symtab = (Elf32_Sym *)(GetSectionDataPtr(sec));
|
||||
int numSymbols = sections[sec].sh_size / sizeof(Elf32_Sym);
|
||||
for (int sym = 0; sym < numSymbols; sym++) {
|
||||
int size = symtab[sym].st_size;
|
||||
if (size == 0)
|
||||
continue;
|
||||
|
||||
int type = symtab[sym].st_info & 0xF;
|
||||
|
||||
const char *name = stringBase + symtab[sym].st_name;
|
||||
|
||||
Symbols::Add(symtab[sym].st_value, name, size, type);
|
||||
|
||||
hasSymbols = true;
|
||||
}
|
||||
}
|
||||
|
||||
return hasSymbols;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// AppLoader_ELF constructor
|
||||
AppLoader_ELF::AppLoader_ELF(const std::string& filename) : is_loaded(false) {
|
||||
this->filename = filename;
|
||||
}
|
||||
|
||||
/// AppLoader_NCCH destructor
|
||||
AppLoader_ELF::~AppLoader_ELF() {
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
|
||||
* @param error_string Pointer to string to put error message if an error has occurred
|
||||
* @todo Move NCSD parsing out of here and create a separate function for loading these
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
ResultStatus AppLoader_ELF::Load() {
|
||||
INFO_LOG(LOADER, "Loading ELF file %s...", filename.c_str());
|
||||
|
||||
if (is_loaded)
|
||||
return ResultStatus::ErrorAlreadyLoaded;
|
||||
|
||||
File::IOFile file(filename, "rb");
|
||||
|
||||
if (file.IsOpen()) {
|
||||
u32 size = (u32)file.GetSize();
|
||||
std::unique_ptr<u8[]> buffer(new u8[size]);
|
||||
file.ReadBytes(&buffer[0], size);
|
||||
|
||||
ElfReader elf_reader(&buffer[0]);
|
||||
elf_reader.LoadInto(0x00100000);
|
||||
Kernel::LoadExec(elf_reader.GetEntryPoint());
|
||||
} else {
|
||||
return ResultStatus::Error;
|
||||
}
|
||||
return ResultStatus::Success;
|
||||
}
|
||||
|
||||
} // namespace Loader
|
@ -0,0 +1,32 @@
|
||||
// Copyright 2013 Dolphin Emulator Project / Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "core/loader/loader.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// Loads an ELF/AXF file
|
||||
class AppLoader_ELF : public AppLoader {
|
||||
public:
|
||||
AppLoader_ELF(const std::string& filename);
|
||||
~AppLoader_ELF();
|
||||
|
||||
/**
|
||||
* Load the bootable file
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus Load();
|
||||
|
||||
private:
|
||||
std::string filename;
|
||||
bool is_loaded;
|
||||
};
|
||||
|
||||
} // namespace Loader
|
@ -0,0 +1,77 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <memory>
|
||||
|
||||
#include "core/loader/loader.h"
|
||||
#include "core/loader/elf.h"
|
||||
#include "core/loader/ncch.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @todo (ShizZy) this function sucks... make it actually check file contents etc.
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(const std::string &filename) {
|
||||
if (filename.size() == 0) {
|
||||
ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
|
||||
return FileType::Error;
|
||||
}
|
||||
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
|
||||
|
||||
if (!strcasecmp(extension.c_str(), ".elf")) {
|
||||
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".axf")) {
|
||||
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".cxi")) {
|
||||
return FileType::CXI; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
else if (!strcasecmp(extension.c_str(), ".cci")) {
|
||||
return FileType::CCI; // TODO(bunnei): Do some filetype checking :p
|
||||
}
|
||||
return FileType::Unknown;
|
||||
}
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus LoadFile(const std::string& filename) {
|
||||
INFO_LOG(LOADER, "Loading file %s...", filename.c_str());
|
||||
|
||||
switch (IdentifyFile(filename)) {
|
||||
|
||||
// Standard ELF file format...
|
||||
case FileType::ELF: {
|
||||
return AppLoader_ELF(filename).Load();
|
||||
}
|
||||
|
||||
// NCCH/NCSD container formats...
|
||||
case FileType::CXI:
|
||||
case FileType::CCI: {
|
||||
return AppLoader_NCCH(filename).Load();
|
||||
}
|
||||
|
||||
// Error occurred durring IdentifyFile...
|
||||
case FileType::Error:
|
||||
|
||||
// IdentifyFile could know identify file type...
|
||||
case FileType::Unknown:
|
||||
|
||||
default:
|
||||
return ResultStatus::ErrorInvalidFormat;
|
||||
}
|
||||
|
||||
return ResultStatus::Error;
|
||||
}
|
||||
|
||||
} // namespace Loader
|
@ -0,0 +1,121 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <vector>
|
||||
|
||||
#include "common/common.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// File types supported by CTR
|
||||
enum class FileType {
|
||||
Error,
|
||||
Unknown,
|
||||
CCI,
|
||||
CXI,
|
||||
CIA,
|
||||
ELF,
|
||||
};
|
||||
|
||||
/// Return type for functions in Loader namespace
|
||||
enum class ResultStatus {
|
||||
Success,
|
||||
Error,
|
||||
ErrorInvalidFormat,
|
||||
ErrorNotImplemented,
|
||||
ErrorNotLoaded,
|
||||
ErrorNotUsed,
|
||||
ErrorAlreadyLoaded,
|
||||
};
|
||||
|
||||
/// Interface for loading an application
|
||||
class AppLoader : NonCopyable {
|
||||
public:
|
||||
AppLoader() { }
|
||||
virtual ~AppLoader() { }
|
||||
|
||||
/**
|
||||
* Load the application
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
virtual ResultStatus Load() = 0;
|
||||
|
||||
/**
|
||||
* Get the code (typically .code section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to code buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadCode(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return code;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the icon (typically icon section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to icon buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadIcon(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return icon;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the banner (typically banner section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to banner buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadBanner(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return banner;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the logo (typically logo section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to logo buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadLogo(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return logo;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the RomFs archive of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to RomFs archive buffer
|
||||
*/
|
||||
virtual const std::vector<u8>& ReadRomFS(ResultStatus& error) const {
|
||||
error = ResultStatus::ErrorNotImplemented;
|
||||
return romfs;
|
||||
}
|
||||
|
||||
protected:
|
||||
std::vector<u8> code; ///< ExeFS .code section
|
||||
std::vector<u8> icon; ///< ExeFS .icon section
|
||||
std::vector<u8> banner; ///< ExeFS .banner section
|
||||
std::vector<u8> logo; ///< ExeFS .logo section
|
||||
std::vector<u8> romfs; ///< RomFs archive
|
||||
};
|
||||
|
||||
/**
|
||||
* Identifies the type of a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return FileType of file
|
||||
*/
|
||||
FileType IdentifyFile(const std::string &filename);
|
||||
|
||||
/**
|
||||
* Identifies and loads a bootable file
|
||||
* @param filename String filename of bootable file
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus LoadFile(const std::string& filename);
|
||||
|
||||
} // namespace
|
@ -0,0 +1,312 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <memory>
|
||||
|
||||
#include "common/file_util.h"
|
||||
|
||||
#include "core/loader/ncch.h"
|
||||
#include "core/hle/kernel/kernel.h"
|
||||
#include "core/mem_map.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
static const int kMaxSections = 8; ///< Maximum number of sections (files) in an ExeFs
|
||||
static const int kBlockSize = 0x200; ///< Size of ExeFS blocks (in bytes)
|
||||
|
||||
/**
|
||||
* Get the decompressed size of an LZSS compressed ExeFS file
|
||||
* @param buffer Buffer of compressed file
|
||||
* @param size Size of compressed buffer
|
||||
* @return Size of decompressed buffer
|
||||
*/
|
||||
u32 LZSS_GetDecompressedSize(u8* buffer, u32 size) {
|
||||
u32 offset_size = *(u32*)(buffer + size - 4);
|
||||
return offset_size + size;
|
||||
}
|
||||
|
||||
/**
|
||||
* Decompress ExeFS file (compressed with LZSS)
|
||||
* @param compressed Compressed buffer
|
||||
* @param compressed_size Size of compressed buffer
|
||||
* @param decompressed Decompressed buffer
|
||||
* @param decompressed_size Size of decompressed buffer
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
bool LZSS_Decompress(u8* compressed, u32 compressed_size, u8* decompressed, u32 decompressed_size) {
|
||||
u8* footer = compressed + compressed_size - 8;
|
||||
u32 buffer_top_and_bottom = *(u32*)footer;
|
||||
u32 i, j;
|
||||
u32 out = decompressed_size;
|
||||
u32 index = compressed_size - ((buffer_top_and_bottom >> 24) & 0xFF);
|
||||
u8 control;
|
||||
u32 stop_index = compressed_size - (buffer_top_and_bottom & 0xFFFFFF);
|
||||
|
||||
memset(decompressed, 0, decompressed_size);
|
||||
memcpy(decompressed, compressed, compressed_size);
|
||||
|
||||
while(index > stop_index) {
|
||||
control = compressed[--index];
|
||||
|
||||
for(i = 0; i < 8; i++) {
|
||||
if(index <= stop_index)
|
||||
break;
|
||||
if(index <= 0)
|
||||
break;
|
||||
if(out <= 0)
|
||||
break;
|
||||
|
||||
if(control & 0x80) {
|
||||
// Check if compression is out of bounds
|
||||
if(index < 2) {
|
||||
return false;
|
||||
}
|
||||
index -= 2;
|
||||
|
||||
u32 segment_offset = compressed[index] | (compressed[index + 1] << 8);
|
||||
u32 segment_size = ((segment_offset >> 12) & 15) + 3;
|
||||
segment_offset &= 0x0FFF;
|
||||
segment_offset += 2;
|
||||
|
||||
// Check if compression is out of bounds
|
||||
if(out < segment_size) {
|
||||
return false;
|
||||
}
|
||||
for(j = 0; j < segment_size; j++) {
|
||||
u8 data;
|
||||
// Check if compression is out of bounds
|
||||
if(out + segment_offset >= decompressed_size) {
|
||||
return false;
|
||||
}
|
||||
data = decompressed[out + segment_offset];
|
||||
decompressed[--out] = data;
|
||||
}
|
||||
} else {
|
||||
// Check if compression is out of bounds
|
||||
if(out < 1) {
|
||||
return false;
|
||||
}
|
||||
decompressed[--out] = compressed[--index];
|
||||
}
|
||||
control <<= 1;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// AppLoader_NCCH class
|
||||
|
||||
/// AppLoader_NCCH constructor
|
||||
AppLoader_NCCH::AppLoader_NCCH(const std::string& filename) {
|
||||
this->filename = filename;
|
||||
is_loaded = false;
|
||||
is_compressed = false;
|
||||
entry_point = 0;
|
||||
ncch_offset = 0;
|
||||
exefs_offset = 0;
|
||||
}
|
||||
|
||||
/// AppLoader_NCCH destructor
|
||||
AppLoader_NCCH::~AppLoader_NCCH() {
|
||||
if (file.IsOpen())
|
||||
file.Close();
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads .code section into memory for booting
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus AppLoader_NCCH::LoadExec() {
|
||||
if (!is_loaded)
|
||||
return ResultStatus::ErrorNotLoaded;
|
||||
|
||||
ResultStatus res;
|
||||
code = ReadCode(res);
|
||||
|
||||
if (ResultStatus::Success == res) {
|
||||
Memory::WriteBlock(entry_point, &code[0], code.size());
|
||||
Kernel::LoadExec(entry_point);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
|
||||
* @param name Name of section to read out of NCCH file
|
||||
* @param buffer Vector to read data into
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to buffer of data that was read
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::LoadSectionExeFS(const char* name, std::vector<u8>& buffer,
|
||||
ResultStatus& error) {
|
||||
// Iterate through the ExeFs archive until we find the .code file...
|
||||
for (int i = 0; i < kMaxSections; i++) {
|
||||
// Load the specified section...
|
||||
if (strcmp((const char*)exefs_header.section[i].name, name) == 0) {
|
||||
INFO_LOG(LOADER, "ExeFS section %d:", i);
|
||||
INFO_LOG(LOADER, " name: %s", exefs_header.section[i].name);
|
||||
INFO_LOG(LOADER, " offset: 0x%08X", exefs_header.section[i].offset);
|
||||
INFO_LOG(LOADER, " size: 0x%08X", exefs_header.section[i].size);
|
||||
|
||||
s64 section_offset = (exefs_header.section[i].offset + exefs_offset +
|
||||
sizeof(ExeFs_Header) + ncch_offset);
|
||||
file.Seek(section_offset, 0);
|
||||
|
||||
// Section is compressed...
|
||||
if (i == 0 && is_compressed) {
|
||||
// Read compressed .code section...
|
||||
std::unique_ptr<u8[]> temp_buffer(new u8[exefs_header.section[i].size]);
|
||||
file.ReadBytes(&temp_buffer[0], exefs_header.section[i].size);
|
||||
|
||||
// Decompress .code section...
|
||||
u32 decompressed_size = LZSS_GetDecompressedSize(&temp_buffer[0],
|
||||
exefs_header.section[i].size);
|
||||
buffer.resize(decompressed_size);
|
||||
if (!LZSS_Decompress(&temp_buffer[0], exefs_header.section[i].size, &buffer[0],
|
||||
decompressed_size)) {
|
||||
error = ResultStatus::ErrorInvalidFormat;
|
||||
return buffer;
|
||||
}
|
||||
// Section is uncompressed...
|
||||
} else {
|
||||
buffer.resize(exefs_header.section[i].size);
|
||||
file.ReadBytes(&buffer[0], exefs_header.section[i].size);
|
||||
}
|
||||
error = ResultStatus::Success;
|
||||
return buffer;
|
||||
}
|
||||
}
|
||||
error = ResultStatus::ErrorNotUsed;
|
||||
return buffer;
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
|
||||
* @param error_string Pointer to string to put error message if an error has occurred
|
||||
* @todo Move NCSD parsing out of here and create a separate function for loading these
|
||||
* @return True on success, otherwise false
|
||||
*/
|
||||
ResultStatus AppLoader_NCCH::Load() {
|
||||
INFO_LOG(LOADER, "Loading NCCH file %s...", filename.c_str());
|
||||
|
||||
if (is_loaded)
|
||||
return ResultStatus::ErrorAlreadyLoaded;
|
||||
|
||||
file = File::IOFile(filename, "rb");
|
||||
|
||||
if (file.IsOpen()) {
|
||||
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
|
||||
|
||||
// Skip NCSD header and load first NCCH (NCSD is just a container of NCCH files)...
|
||||
if (0 == memcmp(&ncch_header.magic, "NCSD", 4)) {
|
||||
WARN_LOG(LOADER, "Only loading the first (bootable) NCCH within the NCSD file!");
|
||||
ncch_offset = 0x4000;
|
||||
file.Seek(ncch_offset, 0);
|
||||
file.ReadBytes(&ncch_header, sizeof(NCCH_Header));
|
||||
}
|
||||
|
||||
// Verify we are loading the correct file type...
|
||||
if (0 != memcmp(&ncch_header.magic, "NCCH", 4))
|
||||
return ResultStatus::ErrorInvalidFormat;
|
||||
|
||||
// Read ExHeader...
|
||||
|
||||
file.ReadBytes(&exheader_header, sizeof(ExHeader_Header));
|
||||
|
||||
is_compressed = (exheader_header.codeset_info.flags.flag & 1) == 1;
|
||||
entry_point = exheader_header.codeset_info.text.address;
|
||||
|
||||
INFO_LOG(LOADER, "Name: %s", exheader_header.codeset_info.name);
|
||||
INFO_LOG(LOADER, "Code compressed: %s", is_compressed ? "yes" : "no");
|
||||
INFO_LOG(LOADER, "Entry point: 0x%08X", entry_point);
|
||||
|
||||
// Read ExeFS...
|
||||
|
||||
exefs_offset = ncch_header.exefs_offset * kBlockSize;
|
||||
u32 exefs_size = ncch_header.exefs_size * kBlockSize;
|
||||
|
||||
INFO_LOG(LOADER, "ExeFS offset: 0x%08X", exefs_offset);
|
||||
INFO_LOG(LOADER, "ExeFS size: 0x%08X", exefs_size);
|
||||
|
||||
file.Seek(exefs_offset + ncch_offset, 0);
|
||||
file.ReadBytes(&exefs_header, sizeof(ExeFs_Header));
|
||||
|
||||
is_loaded = true; // Set state to loaded
|
||||
|
||||
LoadExec(); // Load the executable into memory for booting
|
||||
|
||||
return ResultStatus::Success;
|
||||
}
|
||||
return ResultStatus::Error;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the code (typically .code section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to code buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadCode(ResultStatus& error) {
|
||||
return LoadSectionExeFS(".code", code, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the icon (typically icon section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to icon buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadIcon(ResultStatus& error) {
|
||||
return LoadSectionExeFS("icon", icon, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the banner (typically banner section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to banner buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadBanner(ResultStatus& error) {
|
||||
return LoadSectionExeFS("banner", banner, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the logo (typically logo section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to logo buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadLogo(ResultStatus& error) {
|
||||
return LoadSectionExeFS("logo", logo, error);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the RomFs archive of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to RomFs archive buffer
|
||||
*/
|
||||
const std::vector<u8>& AppLoader_NCCH::ReadRomFS(ResultStatus& error) {
|
||||
// Check if the NCCH has a RomFS...
|
||||
if (ncch_header.romfs_offset != 0 && ncch_header.romfs_size != 0) {
|
||||
u32 romfs_offset = ncch_offset + (ncch_header.romfs_offset * kBlockSize) + 0x1000;
|
||||
u32 romfs_size = (ncch_header.romfs_size * kBlockSize) - 0x1000;
|
||||
|
||||
INFO_LOG(LOADER, "RomFS offset: 0x%08X", romfs_offset);
|
||||
INFO_LOG(LOADER, "RomFS size: 0x%08X", romfs_size);
|
||||
|
||||
romfs.resize(romfs_size);
|
||||
|
||||
file.Seek(romfs_offset, 0);
|
||||
file.ReadBytes(&romfs[0], romfs_size);
|
||||
|
||||
error = ResultStatus::Success;
|
||||
return romfs;
|
||||
} else {
|
||||
NOTICE_LOG(LOADER, "RomFS unused");
|
||||
}
|
||||
error = ResultStatus::ErrorNotUsed;
|
||||
return romfs;
|
||||
}
|
||||
|
||||
} // namespace Loader
|
@ -0,0 +1,227 @@
|
||||
// Copyright 2014 Citra Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/common.h"
|
||||
#include "common/file_util.h"
|
||||
|
||||
#include "core/loader/loader.h"
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
/// NCCH header (Note: "NCCH" appears to be a publically unknown acronym)
|
||||
|
||||
struct NCCH_Header {
|
||||
u8 signature[0x100];
|
||||
char magic[4];
|
||||
u32 content_size;
|
||||
u8 partition_id[8];
|
||||
u16 maker_code;
|
||||
u16 version;
|
||||
u8 reserved_0[4];
|
||||
u8 program_id[8];
|
||||
u8 temp_flag;
|
||||
u8 reserved_1[0x2f];
|
||||
u8 product_code[0x10];
|
||||
u8 extended_header_hash[0x20];
|
||||
u32 extended_header_size;
|
||||
u8 reserved_2[4];
|
||||
u8 flags[8];
|
||||
u32 plain_region_offset;
|
||||
u32 plain_region_size;
|
||||
u8 reserved_3[8];
|
||||
u32 exefs_offset;
|
||||
u32 exefs_size;
|
||||
u32 exefs_hash_region_size;
|
||||
u8 reserved_4[4];
|
||||
u32 romfs_offset;
|
||||
u32 romfs_size;
|
||||
u32 romfs_hash_region_size;
|
||||
u8 reserved_5[4];
|
||||
u8 exefs_super_block_hash[0x20];
|
||||
u8 romfs_super_block_hash[0x20];
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ExeFS (executable file system) headers
|
||||
|
||||
typedef struct {
|
||||
char name[8];
|
||||
u32 offset;
|
||||
u32 size;
|
||||
} ExeFs_SectionHeader;
|
||||
|
||||
typedef struct {
|
||||
ExeFs_SectionHeader section[8];
|
||||
u8 reserved[0x80];
|
||||
u8 hashes[8][0x20];
|
||||
} ExeFs_Header;
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// ExHeader (executable file system header) headers
|
||||
|
||||
struct ExHeader_SystemInfoFlags{
|
||||
u8 reserved[5];
|
||||
u8 flag;
|
||||
u8 remaster_version[2];
|
||||
};
|
||||
|
||||
struct ExHeader_CodeSegmentInfo{
|
||||
u32 address;
|
||||
u32 num_max_pages;
|
||||
u32 code_size;
|
||||
};
|
||||
|
||||
struct ExHeader_CodeSetInfo {
|
||||
u8 name[8];
|
||||
ExHeader_SystemInfoFlags flags;
|
||||
ExHeader_CodeSegmentInfo text;
|
||||
u8 stacksize[4];
|
||||
ExHeader_CodeSegmentInfo ro;
|
||||
u8 reserved[4];
|
||||
ExHeader_CodeSegmentInfo data;
|
||||
u8 bsssize[4];
|
||||
};
|
||||
|
||||
struct ExHeader_DependencyList{
|
||||
u8 program_id[0x30][8];
|
||||
};
|
||||
|
||||
struct ExHeader_SystemInfo{
|
||||
u32 save_data_size;
|
||||
u8 reserved[4];
|
||||
u8 jump_id[8];
|
||||
u8 reserved_2[0x30];
|
||||
};
|
||||
|
||||
struct ExHeader_StorageInfo{
|
||||
u8 ext_save_data_id[8];
|
||||
u8 system_save_data_id[8];
|
||||
u8 reserved[8];
|
||||
u8 access_info[7];
|
||||
u8 other_attributes;
|
||||
};
|
||||
|
||||
struct ExHeader_ARM11_SystemLocalCaps{
|
||||
u8 program_id[8];
|
||||
u8 flags[8];
|
||||
u8 resource_limit_descriptor[0x10][2];
|
||||
ExHeader_StorageInfo storage_info;
|
||||
u8 service_access_control[0x20][8];
|
||||
u8 reserved[0x1f];
|
||||
u8 resource_limit_category;
|
||||
};
|
||||
|
||||
struct ExHeader_ARM11_KernelCaps{
|
||||
u8 descriptors[28][4];
|
||||
u8 reserved[0x10];
|
||||
};
|
||||
|
||||
struct ExHeader_ARM9_AccessControl{
|
||||
u8 descriptors[15];
|
||||
u8 descversion;
|
||||
};
|
||||
|
||||
struct ExHeader_Header{
|
||||
ExHeader_CodeSetInfo codeset_info;
|
||||
ExHeader_DependencyList dependency_list;
|
||||
ExHeader_SystemInfo system_info;
|
||||
ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
|
||||
ExHeader_ARM11_KernelCaps arm11_kernel_caps;
|
||||
ExHeader_ARM9_AccessControl arm9_access_control;
|
||||
struct {
|
||||
u8 signature[0x100];
|
||||
u8 ncch_public_key_modulus[0x100];
|
||||
ExHeader_ARM11_SystemLocalCaps arm11_system_local_caps;
|
||||
ExHeader_ARM11_KernelCaps arm11_kernel_caps;
|
||||
ExHeader_ARM9_AccessControl arm9_access_control;
|
||||
} access_desc;
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Loader namespace
|
||||
|
||||
namespace Loader {
|
||||
|
||||
/// Loads an NCCH file (e.g. from a CCI, or the first NCCH in a CXI)
|
||||
class AppLoader_NCCH : public AppLoader {
|
||||
public:
|
||||
AppLoader_NCCH(const std::string& filename);
|
||||
~AppLoader_NCCH();
|
||||
|
||||
/**
|
||||
* Load the application
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus Load();
|
||||
|
||||
/**
|
||||
* Get the code (typically .code section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to code buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadCode(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the icon (typically icon section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to icon buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadIcon(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the banner (typically banner section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to banner buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadBanner(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the logo (typically logo section) of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to logo buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadLogo(ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Get the RomFs archive of the application
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to RomFs archive buffer
|
||||
*/
|
||||
const std::vector<u8>& ReadRomFS(ResultStatus& error);
|
||||
|
||||
private:
|
||||
|
||||
/**
|
||||
* Reads an application ExeFS section of an NCCH file into AppLoader (e.g. .code, .logo, etc.)
|
||||
* @param name Name of section to read out of NCCH file
|
||||
* @param buffer Vector to read data into
|
||||
* @param error ResultStatus result of function
|
||||
* @return Reference to buffer of data that was read
|
||||
*/
|
||||
const std::vector<u8>& LoadSectionExeFS(const char* name, std::vector<u8>& buffer,
|
||||
ResultStatus& error);
|
||||
|
||||
/**
|
||||
* Loads .code section into memory for booting
|
||||
* @return ResultStatus result of function
|
||||
*/
|
||||
ResultStatus LoadExec();
|
||||
|
||||
File::IOFile file;
|
||||
std::string filename;
|
||||
|
||||
bool is_loaded;
|
||||
bool is_compressed;
|
||||
|
||||
u32 entry_point;
|
||||
u32 ncch_offset; // Offset to NCCH header, can be 0 or after NCSD header
|
||||
u32 exefs_offset;
|
||||
|
||||
NCCH_Header ncch_header;
|
||||
ExeFs_Header exefs_header;
|
||||
ExHeader_Header exheader_header;
|
||||
};
|
||||
|
||||
} // namespace Loader
|
Loading…
Reference in New Issue