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-rw-r--r--src/core/elf/elf_reader.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/core/elf/elf_reader.h b/src/core/elf/elf_reader.h
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index 00000000..9393a589
--- /dev/null
+++ b/src/core/elf/elf_reader.h
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+// 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;
+ }
+};