diff options
Diffstat (limited to 'src/binary-reader-objdump.cc')
| -rw-r--r-- | src/binary-reader-objdump.cc | 143 |
1 files changed, 124 insertions, 19 deletions
diff --git a/src/binary-reader-objdump.cc b/src/binary-reader-objdump.cc index b84a4691..dd01b7af 100644 --- a/src/binary-reader-objdump.cc +++ b/src/binary-reader-objdump.cc @@ -49,6 +49,7 @@ class BinaryReaderObjdumpBase : public BinaryReaderNop { protected: const char* GetFunctionName(Index index) const; + const char* GetGlobalName(Index index) const; void PrintRelocation(const Reloc& reloc, Offset offset) const; Offset GetSectionStart(BinarySection section_code) const { return section_starts_[static_cast<size_t>(section_code)]; @@ -124,6 +125,15 @@ const char* BinaryReaderObjdumpBase::GetFunctionName(Index index) const { return objdump_state_->function_names[index].c_str(); } +const char* BinaryReaderObjdumpBase::GetGlobalName(Index index) const { + if (index >= objdump_state_->global_names.size() || + objdump_state_->global_names[index].empty()) { + return nullptr; + } + + return objdump_state_->global_names[index].c_str(); +} + void BinaryReaderObjdumpBase::PrintRelocation(const Reloc& reloc, Offset offset) const { printf(" %06" PRIzx ": %-18s %" PRIindex "", offset, @@ -157,19 +167,43 @@ class BinaryReaderObjdumpPrepass : public BinaryReaderObjdumpBase { public: using BinaryReaderObjdumpBase::BinaryReaderObjdumpBase; - Result OnFunctionName(Index function_index, - string_view function_name) override; + Result OnFunctionName(Index index, string_view name) override { + SetFunctionName(index, name); + return Result::Ok; + } + + Result OnFunctionSymbol(Index index, + uint32_t flags, + string_view name, + Index func_index) override { + if (!name.empty()) { + SetFunctionName(func_index, name); + } + return Result::Ok; + } + + Result OnImportFunc(Index import_index, + string_view module_name, + string_view field_name, + Index func_index, + Index sig_index) override { + SetFunctionName(func_index, field_name); + return Result::Ok; + } + Result OnReloc(RelocType type, Offset offset, Index index, uint32_t addend) override; + + protected: + void SetFunctionName(Index index, string_view name); }; -Result BinaryReaderObjdumpPrepass::OnFunctionName(Index index, - string_view name) { +void BinaryReaderObjdumpPrepass::SetFunctionName(Index index, + string_view name) { objdump_state_->function_names.resize(index + 1); objdump_state_->function_names[index] = name.to_string(); - return Result::Ok; } Result BinaryReaderObjdumpPrepass::OnReloc(RelocType type, @@ -550,8 +584,21 @@ class BinaryReaderObjdump : public BinaryReaderObjdumpBase { uint32_t addend) override; Result OnStackGlobal(Index stack_global) override; - Result OnSymbolInfoCount(Index count) override; - Result OnSymbolInfo(string_view name, uint32_t flags) override; + Result OnSymbolCount(Index count) override; + Result OnDataSymbol(Index index, + uint32_t flags, + string_view name, + Index segment, + uint32_t offset, + uint32_t size) override; + Result OnFunctionSymbol(Index index, + uint32_t flags, + string_view name, + Index func_index) override; + Result OnGlobalSymbol(Index index, + uint32_t flags, + string_view name, + Index global_index) override; Result OnDataSize(uint32_t data_size) override; Result OnSegmentInfoCount(Index count) override; Result OnSegmentInfo(Index index, @@ -567,6 +614,7 @@ class BinaryReaderObjdump : public BinaryReaderObjdumpBase { private: bool ShouldPrintDetails(); void PrintDetails(const char* fmt, ...); + void PrintSymbolFlags(uint32_t flags); void PrintInitExpr(const InitExpr& expr); Result OnCount(Index count); @@ -1098,9 +1146,13 @@ Result BinaryReaderObjdump::OnReloc(RelocType type, Index index, uint32_t addend) { Offset total_offset = GetSectionStart(reloc_section_) + offset; - PrintDetails(" - %-18s offset=%#08" PRIoffset "(file=%#08" PRIoffset - ") index=%" PRIindex, - GetRelocTypeName(type), offset, total_offset, index); + PrintDetails(" - %-18s offset=%#08" PRIoffset "(file=%#08" PRIoffset ") ", + GetRelocTypeName(type), offset, total_offset); + if (type == RelocType::TypeIndexLEB) + PrintDetails("type=%" PRIindex, index); + else + PrintDetails("symbol=%" PRIindex, index); + if (addend) { int32_t signed_addend = static_cast<int32_t>(addend); if (signed_addend < 0) { @@ -1120,28 +1172,81 @@ Result BinaryReaderObjdump::OnStackGlobal(Index stack_global) { return Result::Ok; } -Result BinaryReaderObjdump::OnSymbolInfoCount(Index count) { - PrintDetails(" - symbol info [count=%d]\n", count); +Result BinaryReaderObjdump::OnSymbolCount(Index count) { + PrintDetails(" - symbol table [count=%d]\n", count); return Result::Ok; } -Result BinaryReaderObjdump::OnSymbolInfo(string_view name, uint32_t flags) { +void BinaryReaderObjdump::PrintSymbolFlags(uint32_t flags) { const char* binding_name = nullptr; - SymbolBinding binding = static_cast<SymbolBinding>(flags & 0x3); + SymbolBinding binding = + static_cast<SymbolBinding>(flags & WABT_SYMBOL_MASK_BINDING); switch (binding) { case SymbolBinding::Global: - binding_name = "GLOBAL"; + binding_name = "global"; break; case SymbolBinding::Local: - binding_name = "LOCAL "; + binding_name = "local"; break; case SymbolBinding::Weak: - binding_name = "WEAK "; + binding_name = "weak"; break; } - PrintDetails(" - %s <" PRIstringview ">\n", binding_name, - WABT_PRINTF_STRING_VIEW_ARG(name)); + const char* vis_name = nullptr; + SymbolVisibility vis = + static_cast<SymbolVisibility>(flags & WABT_SYMBOL_MASK_VISIBILITY); + switch (vis) { + case SymbolVisibility::Hidden: + vis_name = "hidden"; + break; + case SymbolVisibility::Default: + vis_name = "default"; + break; + } + PrintDetails(" binding=%s vis=%s\n", binding_name, vis_name); +} + +Result BinaryReaderObjdump::OnDataSymbol(Index index, + uint32_t flags, + string_view name, + Index segment, + uint32_t offset, + uint32_t size) { + PrintDetails(" - sym[%d] <" PRIstringview "> segment=%" PRIindex + " offset=%d size=%d", + index, WABT_PRINTF_STRING_VIEW_ARG(name), segment, offset, size); + PrintSymbolFlags(flags); + return Result::Ok; +} + +Result BinaryReaderObjdump::OnFunctionSymbol(Index index, + uint32_t flags, + string_view name, + Index func_index) { + std::string sym_name = name.to_string(); + if (sym_name.empty()) { + sym_name = GetFunctionName(func_index); + } + assert(!sym_name.empty()); + PrintDetails(" - sym[%d] <" PRIstringview "> func=%" PRIindex, index, + WABT_PRINTF_STRING_VIEW_ARG(sym_name), func_index); + PrintSymbolFlags(flags); + return Result::Ok; +} + +Result BinaryReaderObjdump::OnGlobalSymbol(Index index, + uint32_t flags, + string_view name, + Index global_index) { + std::string sym_name = name.to_string(); + if (sym_name.empty()) { + sym_name = GetGlobalName(global_index); + } + assert(!sym_name.empty()); + PrintDetails(" - sym[%d] <" PRIstringview "> global=%" PRIindex, index, + WABT_PRINTF_STRING_VIEW_ARG(sym_name), global_index); + PrintSymbolFlags(flags); return Result::Ok; } |