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author | Liam <byteslice@airmail.cc> | 2022-06-05 05:50:43 +0200 |
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committer | Liam <byteslice@airmail.cc> | 2022-06-05 15:42:05 +0200 |
commit | 3c313a43fde6e1f1ef74fd874ca9bf2611be9d95 (patch) | |
tree | 89ed86920027a857bcdab5cfc947f220dabd5602 /src/core/arm | |
parent | Merge pull request #8410 from liamwhite/thread-names (diff) | |
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Diffstat (limited to 'src/core/arm')
-rw-r--r-- | src/core/arm/symbols.cpp | 85 |
1 files changed, 13 insertions, 72 deletions
diff --git a/src/core/arm/symbols.cpp b/src/core/arm/symbols.cpp index 4aa1a1ee1..0259c7ea2 100644 --- a/src/core/arm/symbols.cpp +++ b/src/core/arm/symbols.cpp @@ -3,73 +3,14 @@ #include "common/bit_field.h" #include "common/common_funcs.h" +#include "common/elf.h" #include "core/arm/symbols.h" #include "core/core.h" #include "core/memory.h" -namespace Core { -namespace { - -constexpr u64 ELF_DYNAMIC_TAG_NULL = 0; -constexpr u64 ELF_DYNAMIC_TAG_STRTAB = 5; -constexpr u64 ELF_DYNAMIC_TAG_SYMTAB = 6; -constexpr u64 ELF_DYNAMIC_TAG_SYMENT = 11; - -enum class ELFSymbolType : u8 { - None = 0, - Object = 1, - Function = 2, - Section = 3, - File = 4, - Common = 5, - TLS = 6, -}; - -enum class ELFSymbolBinding : u8 { - Local = 0, - Global = 1, - Weak = 2, -}; - -enum class ELFSymbolVisibility : u8 { - Default = 0, - Internal = 1, - Hidden = 2, - Protected = 3, -}; - -struct ELF64Symbol { - u32 name_index; - union { - u8 info; - - BitField<0, 4, ELFSymbolType> type; - BitField<4, 4, ELFSymbolBinding> binding; - }; - ELFSymbolVisibility visibility; - u16 sh_index; - u64 value; - u64 size; -}; -static_assert(sizeof(ELF64Symbol) == 0x18, "ELF64Symbol has incorrect size."); - -struct ELF32Symbol { - u32 name_index; - u32 value; - u32 size; - union { - u8 info; - - BitField<0, 4, ELFSymbolType> type; - BitField<4, 4, ELFSymbolBinding> binding; - }; - ELFSymbolVisibility visibility; - u16 sh_index; -}; -static_assert(sizeof(ELF32Symbol) == 0x10, "ELF32Symbol has incorrect size."); - -} // Anonymous namespace +using namespace Common::ELF; +namespace Core { namespace Symbols { template <typename Word, typename ELFSymbol, typename ByteReader> @@ -110,15 +51,15 @@ static Symbols GetSymbols(ByteReader ReadBytes) { const Word value = ReadWord(dynamic_index + sizeof(Word)); dynamic_index += 2 * sizeof(Word); - if (tag == ELF_DYNAMIC_TAG_NULL) { + if (tag == ElfDtNull) { break; } - if (tag == ELF_DYNAMIC_TAG_STRTAB) { + if (tag == ElfDtStrtab) { string_table_offset = value; - } else if (tag == ELF_DYNAMIC_TAG_SYMTAB) { + } else if (tag == ElfDtSymtab) { symbol_table_offset = value; - } else if (tag == ELF_DYNAMIC_TAG_SYMENT) { + } else if (tag == ElfDtSyment) { symbol_entry_size = value; } } @@ -134,14 +75,14 @@ static Symbols GetSymbols(ByteReader ReadBytes) { ELFSymbol symbol{}; ReadBytes(&symbol, symbol_index, sizeof(ELFSymbol)); - VAddr string_offset = string_table_offset + symbol.name_index; + VAddr string_offset = string_table_offset + symbol.st_name; std::string name; for (u8 c = Read8(string_offset); c != 0; c = Read8(++string_offset)) { name += static_cast<char>(c); } symbol_index += symbol_entry_size; - out[name] = std::make_pair(symbol.value, symbol.size); + out[name] = std::make_pair(symbol.st_value, symbol.st_size); } return out; @@ -152,9 +93,9 @@ Symbols GetSymbols(VAddr base, Core::Memory::Memory& memory, bool is_64) { [&](void* ptr, size_t offset, size_t size) { memory.ReadBlock(base + offset, ptr, size); }}; if (is_64) { - return GetSymbols<u64, ELF64Symbol>(ReadBytes); + return GetSymbols<u64, Elf64_Sym>(ReadBytes); } else { - return GetSymbols<u32, ELF32Symbol>(ReadBytes); + return GetSymbols<u32, Elf32_Sym>(ReadBytes); } } @@ -164,9 +105,9 @@ Symbols GetSymbols(std::span<const u8> data, bool is_64) { }}; if (is_64) { - return GetSymbols<u64, ELF64Symbol>(ReadBytes); + return GetSymbols<u64, Elf64_Sym>(ReadBytes); } else { - return GetSymbols<u32, ELF32Symbol>(ReadBytes); + return GetSymbols<u32, Elf32_Sym>(ReadBytes); } } |