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author | bunnei <ericbunnie@gmail.com> | 2014-04-09 01:25:03 +0200 |
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committer | bunnei <ericbunnie@gmail.com> | 2014-04-09 01:25:03 +0200 |
commit | 63e46abdb8764bc97e91bae862c8d461e61b1965 (patch) | |
tree | e73f4aa25d7b4015a265e7bbfb6004dab7561027 /src/core/elf/elf_reader.h | |
parent | fixed some license headers that I missed (diff) | |
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Diffstat (limited to 'src/core/elf/elf_reader.h')
-rw-r--r-- | src/core/elf/elf_reader.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/core/elf/elf_reader.h b/src/core/elf/elf_reader.h new file mode 100644 index 000000000..9393a589d --- /dev/null +++ b/src/core/elf/elf_reader.h @@ -0,0 +1,75 @@ +// Copyright 2013 Dolphin Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#pragma once + +#include "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; + } +}; |