76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
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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 "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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