mirror of
https://github.com/citra-mirror/citra.git
synced 2024-08-20 02:13:23 +02:00
Elf: Renamed modules to be consistent with new loader naming, fixed tabs -> spaces.
This commit is contained in:
parent
3577dd027d
commit
1da361c7ab
@ -1,6 +1,6 @@
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set(SRCS core.cpp
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core_timing.cpp
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loader/elf_reader.cpp
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loader/elf.cpp
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loader/loader.cpp
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loader/ncch.cpp
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mem_map.cpp
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@ -51,8 +51,7 @@ set(SRCS core.cpp
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set(HEADERS core.h
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core_timing.h
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loader/elf_reader.h
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loader/elf_types.h
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loader/elf.h
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loader/loader.h
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loader/ncch.h
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mem_map.h
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@ -181,7 +181,7 @@
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<ClCompile Include="hw\gpu.cpp" />
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<ClCompile Include="hw\hw.cpp" />
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<ClCompile Include="hw\ndma.cpp" />
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<ClCompile Include="loader\elf_reader.cpp" />
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<ClCompile Include="loader\elf.cpp" />
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<ClCompile Include="loader\loader.cpp" />
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<ClCompile Include="loader\ncch.cpp" />
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<ClCompile Include="mem_map.cpp" />
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@ -232,8 +232,7 @@
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<ClInclude Include="hw\gpu.h" />
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<ClInclude Include="hw\hw.h" />
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<ClInclude Include="hw\ndma.h" />
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<ClInclude Include="loader\elf_reader.h" />
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<ClInclude Include="loader\elf_types.h" />
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<ClInclude Include="loader\elf.h" />
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<ClInclude Include="loader\loader.h" />
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<ClInclude Include="loader\ncch.h" />
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<ClInclude Include="mem_map.h" />
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@ -167,15 +167,15 @@
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<ClCompile Include="hle\service\ndm.cpp">
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<Filter>hle\service</Filter>
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</ClCompile>
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<ClCompile Include="loader\elf_reader.cpp">
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<Filter>loader</Filter>
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</ClCompile>
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<ClCompile Include="loader\loader.cpp">
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<Filter>loader</Filter>
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</ClCompile>
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<ClCompile Include="loader\ncch.cpp">
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<Filter>loader</Filter>
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</ClCompile>
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<ClCompile Include="loader\elf.cpp">
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<Filter>loader</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="arm\disassembler\arm_disasm.h">
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@ -305,18 +305,15 @@
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<ClInclude Include="hle\service\ndm.h">
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<Filter>hle\service</Filter>
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</ClInclude>
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<ClInclude Include="loader\elf_reader.h">
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<Filter>loader</Filter>
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</ClInclude>
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<ClInclude Include="loader\elf_types.h">
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<Filter>loader</Filter>
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</ClInclude>
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<ClInclude Include="loader\loader.h">
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<Filter>loader</Filter>
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</ClInclude>
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<ClInclude Include="loader\ncch.h">
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<Filter>loader</Filter>
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</ClInclude>
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<ClInclude Include="loader\elf.h">
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<Filter>loader</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<Text Include="CMakeLists.txt" />
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190
src/core/loader/elf.cpp
Normal file
190
src/core/loader/elf.cpp
Normal file
@ -0,0 +1,190 @@
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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/loader/elf.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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@ -1,34 +1,34 @@
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// Copyright 2013 Dolphin Emulator Project
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// Copyright 2013 Dolphin Emulator Project / Citra 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 "common/common.h"
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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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enum ElfType {
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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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enum ElfMachine {
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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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@ -62,8 +62,6 @@ enum ElfMachine
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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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@ -96,14 +94,13 @@ enum ElfMachine
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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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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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@ -188,63 +185,58 @@ 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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struct Elf32_Ehdr {
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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;
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Elf32_Word sh_size;
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Elf32_Word sh_link;
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Elf32_Word sh_info;
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Elf32_Word sh_addralign;
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Elf32_Word sh_entsize;
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struct Elf32_Shdr {
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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;
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Elf32_Word sh_size;
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Elf32_Word sh_link;
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Elf32_Word sh_info;
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Elf32_Word sh_addralign;
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Elf32_Word sh_entsize;
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};
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// Segment header
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struct Elf32_Phdr
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{
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Elf32_Word p_type;
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Elf32_Off p_offset;
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Elf32_Addr p_vaddr;
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Elf32_Addr p_paddr;
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Elf32_Word p_filesz;
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Elf32_Word p_memsz;
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Elf32_Word p_flags;
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Elf32_Word p_align;
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struct Elf32_Phdr {
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Elf32_Word p_type;
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Elf32_Off p_offset;
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Elf32_Addr p_vaddr;
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Elf32_Addr p_paddr;
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Elf32_Word p_filesz;
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Elf32_Word p_memsz;
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Elf32_Word p_flags;
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Elf32_Word p_align;
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};
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// Symbol table entry
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struct Elf32_Sym
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{
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Elf32_Word st_name;
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Elf32_Addr st_value;
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Elf32_Word st_size;
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unsigned char st_info;
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unsigned char st_other;
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Elf32_Half st_shndx;
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struct Elf32_Sym {
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Elf32_Word st_name;
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Elf32_Addr st_value;
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Elf32_Word st_size;
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unsigned char st_info;
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unsigned char st_other;
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Elf32_Half st_shndx;
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};
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#define ELF32_ST_BIND(i) ((i)>>4)
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@ -252,30 +244,88 @@ struct Elf32_Sym
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#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
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// Relocation entries
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struct Elf32_Rel
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{
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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struct Elf32_Rel {
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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};
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struct Elf32_Rela
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{
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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Elf32_Sword r_addend;
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struct Elf32_Rela {
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Elf32_Addr r_offset;
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Elf32_Word r_info;
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Elf32_Sword r_addend;
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};
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#define ELF32_R_SYM(i) ((i)>>8)
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#define ELF32_R_TYPE(i) ((unsigned char)(i))
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#define ELF32_R_INFO(s,t) (((s)<<8 )+(unsigned char)(t))
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||||
|
||||
|
||||
struct Elf32_Dyn
|
||||
{
|
||||
Elf32_Sword d_tag;
|
||||
union
|
||||
{
|
||||
Elf32_Word d_val;
|
||||
Elf32_Addr d_ptr;
|
||||
} d_un;
|
||||
struct Elf32_Dyn {
|
||||
Elf32_Sword d_tag;
|
||||
union {
|
||||
Elf32_Word d_val;
|
||||
Elf32_Addr d_ptr;
|
||||
} d_un;
|
||||
};
|
||||
|
||||
enum KnownElfTypes {
|
||||
KNOWNELF_PSP = 0,
|
||||
KNOWNELF_DS = 1,
|
||||
KNOWNELF_GBA = 2,
|
||||
KNOWNELF_GC = 3,
|
||||
};
|
||||
|
||||
typedef int SectionID;
|
||||
|
||||
class ElfReader {
|
||||
private:
|
||||
char *base;
|
||||
u32 *base32;
|
||||
|
||||
Elf32_Ehdr *header;
|
||||
Elf32_Phdr *segments;
|
||||
Elf32_Shdr *sections;
|
||||
|
||||
u32 *sectionAddrs;
|
||||
bool bRelocate;
|
||||
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 bRelocate;
|
||||
}
|
||||
};
|
@ -1,190 +0,0 @@
|
||||
// Copyright 2013 Dolphin Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <string>
|
||||
|
||||
#include "common/common.h"
|
||||
|
||||
#include "common/symbols.h"
|
||||
#include "core/mem_map.h"
|
||||
#include "core/loader/elf_reader.h"
|
||||
|
||||
//void bswap(Elf32_Word &w) {w = Common::swap32(w);}
|
||||
//void bswap(Elf32_Half &w) {w = Common::swap16(w);}
|
||||
|
||||
#define bswap(w) w // Dirty bswap disable for now... 3DS is little endian, anyway
|
||||
|
||||
static void byteswapHeader(Elf32_Ehdr &ELF_H)
|
||||
{
|
||||
bswap(ELF_H.e_type);
|
||||
bswap(ELF_H.e_machine);
|
||||
bswap(ELF_H.e_ehsize);
|
||||
bswap(ELF_H.e_phentsize);
|
||||
bswap(ELF_H.e_phnum);
|
||||
bswap(ELF_H.e_shentsize);
|
||||
bswap(ELF_H.e_shnum);
|
||||
bswap(ELF_H.e_shstrndx);
|
||||
bswap(ELF_H.e_version);
|
||||
bswap(ELF_H.e_entry);
|
||||
bswap(ELF_H.e_phoff);
|
||||
bswap(ELF_H.e_shoff);
|
||||
bswap(ELF_H.e_flags);
|
||||
}
|
||||
|
||||
static void byteswapSegment(Elf32_Phdr &sec)
|
||||
{
|
||||
bswap(sec.p_align);
|
||||
bswap(sec.p_filesz);
|
||||
bswap(sec.p_flags);
|
||||
bswap(sec.p_memsz);
|
||||
bswap(sec.p_offset);
|
||||
bswap(sec.p_paddr);
|
||||
bswap(sec.p_vaddr);
|
||||
bswap(sec.p_type);
|
||||
}
|
||||
|
||||
static void byteswapSection(Elf32_Shdr &sec)
|
||||
{
|
||||
bswap(sec.sh_addr);
|
||||
bswap(sec.sh_addralign);
|
||||
bswap(sec.sh_entsize);
|
||||
bswap(sec.sh_flags);
|
||||
bswap(sec.sh_info);
|
||||
bswap(sec.sh_link);
|
||||
bswap(sec.sh_name);
|
||||
bswap(sec.sh_offset);
|
||||
bswap(sec.sh_size);
|
||||
bswap(sec.sh_type);
|
||||
}
|
||||
|
||||
ElfReader::ElfReader(void *ptr)
|
||||
{
|
||||
base = (char*)ptr;
|
||||
base32 = (u32 *)ptr;
|
||||
header = (Elf32_Ehdr*)ptr;
|
||||
byteswapHeader(*header);
|
||||
|
||||
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 nameOffset = sections[section].sh_name;
|
||||
char *ptr = (char*)GetSectionDataPtr(header->e_shstrndx);
|
||||
|
||||
if (ptr)
|
||||
return ptr + nameOffset;
|
||||
else
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
bool ElfReader::LoadInto(u32 vaddr)
|
||||
{
|
||||
DEBUG_LOG(MASTER_LOG,"String section: %i", header->e_shstrndx);
|
||||
|
||||
// Should we relocate?
|
||||
bRelocate = (header->e_type != ET_EXEC);
|
||||
|
||||
if (bRelocate)
|
||||
{
|
||||
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 segmentVAddr[32];
|
||||
|
||||
u32 baseAddress = bRelocate?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)
|
||||
{
|
||||
segmentVAddr[i] = baseAddress + p->p_vaddr;
|
||||
u32 writeAddr = segmentVAddr[i];
|
||||
|
||||
const u8 *src = GetSegmentPtr(i);
|
||||
u8 *dst = Memory::GetPointer(writeAddr);
|
||||
u32 srcSize = p->p_filesz;
|
||||
u32 dstSize = p->p_memsz;
|
||||
u32 *s = (u32*)src;
|
||||
u32 *d = (u32*)dst;
|
||||
for (int j = 0; j < (int)(srcSize + 3) / 4; j++)
|
||||
{
|
||||
*d++ = /*_byteswap_ulong*/(*s++);
|
||||
}
|
||||
if (srcSize < dstSize)
|
||||
{
|
||||
//memset(dst + srcSize, 0, dstSize-srcSize); //zero out bss
|
||||
}
|
||||
INFO_LOG(MASTER_LOG,"Loadable Segment Copied to %08x, size %08x", writeAddr, 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 bind = symtab[sym].st_info >> 4;
|
||||
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;
|
||||
}
|
@ -1,75 +0,0 @@
|
||||
// Copyright 2013 Dolphin Emulator Project
|
||||
// Licensed under GPLv2
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "core/loader/elf_types.h"
|
||||
|
||||
enum KnownElfTypes
|
||||
{
|
||||
KNOWNELF_PSP = 0,
|
||||
KNOWNELF_DS = 1,
|
||||
KNOWNELF_GBA = 2,
|
||||
KNOWNELF_GC = 3,
|
||||
};
|
||||
|
||||
typedef int SectionID;
|
||||
|
||||
class ElfReader
|
||||
{
|
||||
private:
|
||||
char *base;
|
||||
u32 *base32;
|
||||
|
||||
Elf32_Ehdr *header;
|
||||
Elf32_Phdr *segments;
|
||||
Elf32_Shdr *sections;
|
||||
|
||||
u32 *sectionAddrs;
|
||||
bool bRelocate;
|
||||
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 bRelocate;
|
||||
}
|
||||
};
|
@ -6,7 +6,7 @@
|
||||
#include "common/file_util.h"
|
||||
|
||||
#include "core/loader/loader.h"
|
||||
#include "core/loader/elf_reader.h"
|
||||
#include "core/loader/elf.h"
|
||||
#include "core/loader/ncch.h"
|
||||
#include "core/system.h"
|
||||
#include "core/core.h"
|
||||
|
Loading…
Reference in New Issue
Block a user