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-rw-r--r--src/core/elf/elf_reader.cpp190
-rw-r--r--src/core/elf/elf_reader.h75
-rw-r--r--src/core/elf/elf_types.h281
3 files changed, 0 insertions, 546 deletions
diff --git a/src/core/elf/elf_reader.cpp b/src/core/elf/elf_reader.cpp
deleted file mode 100644
index c62332cec..000000000
--- a/src/core/elf/elf_reader.cpp
+++ /dev/null
@@ -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/elf/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;
-}
diff --git a/src/core/elf/elf_reader.h b/src/core/elf/elf_reader.h
deleted file mode 100644
index 3e2869f87..000000000
--- a/src/core/elf/elf_reader.h
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "core/elf/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;
- }
-};
diff --git a/src/core/elf/elf_types.h b/src/core/elf/elf_types.h
deleted file mode 100644
index f1bf3db72..000000000
--- a/src/core/elf/elf_types.h
+++ /dev/null
@@ -1,281 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project
-// Licensed under GPLv2
-// Refer to the license.txt file included.
-
-#pragma once
-
-// 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'
-
-// File class
-#define ELFCLASSNONE 0
-#define ELFCLASS32 1
-#define ELFCLASS64 2
-
-// Encoding
-#define ELFDATANONE 0
-#define ELFDATA2LSB 1
-#define ELFDATA2MSB 2
-
-
-
-// Sections constants
-
-// Section indexes
-#define SHN_UNDEF 0
-#define SHN_LORESERVE 0xFF00
-#define SHN_LOPROC 0xFF00
-#define SHN_HIPROC 0xFF1F
-#define SHN_ABS 0xFFF1
-#define SHN_COMMON 0xFFF2
-#define SHN_HIRESERVE 0xFFFF
-
-// 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
-
-// Custom section types
-#define SHT_PSPREL 0x700000a0
-
-
-// Section flags
-enum ElfSectionFlags
-{
- SHF_WRITE = 0x1,
- SHF_ALLOC = 0x2,
- SHF_EXECINSTR = 0x4,
- SHF_MASKPROC = 0xF0000000,
-};
-
-// Symbol binding
-#define STB_LOCAL 0
-#define STB_GLOBAL 1
-#define STB_WEAK 2
-#define STB_LOPROC 13
-#define STB_HIPROC 15
-
-// Symbol types
-#define STT_NOTYPE 0
-#define STT_OBJECT 1
-#define STT_FUNC 2
-#define STT_SECTION 3
-#define STT_FILE 4
-#define STT_LOPROC 13
-#define STT_HIPROC 15
-
-// Undefined name
-#define STN_UNDEF 0
-
-// Relocation types
-#define R_386_NONE 0
-#define R_386_32 1
-#define R_386_PC32 2
-#define R_386_GOT32 3
-#define R_386_PLT32 4
-#define R_386_COPY 5
-#define R_386_GLOB_DAT 6
-#define R_386_JMP_SLOT 7
-#define R_386_RELATIVE 8
-#define R_386_GOTOFF 9
-#define R_386_GOTPC 10
-
-// 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
-
-// Segment flags
-#define PF_X 1
-#define PF_W 2
-#define PF_R 4
-
-// Dynamic Array Tags
-#define DT_NULL 0
-#define DT_NEEDED 1
-#define DT_PLTRELSZ 2
-#define DT_PLTGOT 3
-#define DT_HASH 4
-#define DT_STRTAB 5
-#define DT_SYMTAB 6
-#define DT_RELA 7
-#define DT_RELASZ 8
-#define DT_RELAENT 9
-#define DT_STRSZ 10
-#define DT_SYMENT 11
-#define DT_INIT 12
-#define DT_FINI 13
-#define DT_SONAME 14
-#define DT_RPATH 15
-#define DT_SYMBOLIC 16
-#define DT_REL 17
-#define DT_RELSZ 18
-#define DT_RELENT 19
-#define DT_PLTREL 20
-#define DT_DEBUG 21
-#define DT_TEXTREL 22
-#define DT_JMPREL 23
-#define DT_LOPROC 0x70000000
-#define DT_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;
-};
-
-#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;
-};
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