Index: courgette/disassembler_elf_32.h |
diff --git a/courgette/disassembler_elf_32.h b/courgette/disassembler_elf_32.h |
index f0961c0c7ab2e9e9c9e4e7c5ee3a22e315333e39..395f571e0bf1929ad76584c5f31e94dd64114111 100644 |
--- a/courgette/disassembler_elf_32.h |
+++ b/courgette/disassembler_elf_32.h |
@@ -21,6 +21,7 @@ |
namespace courgette { |
class AssemblyProgram; |
+class InstructionReceptor; |
// A Courgette disassembler for 32-bit ELF files. This is only a partial |
// implementation that admits subclasses for the architecture-specific parts of |
@@ -53,8 +54,8 @@ class DisassemblerElf32 : public Disassembler { |
virtual CheckBool ComputeRelativeTarget(const uint8_t* op_pointer) = 0; |
// Emits the assembly instruction corresponding to |label|. |
- virtual CheckBool EmitInstruction(AssemblyProgram* program, |
- Label* label) = 0; |
+ virtual CheckBool EmitInstruction(Label* label, |
+ InstructionReceptor* receptor) = 0; |
// Returns the size of the instruction containing the RVA. |
virtual uint16_t op_size() const = 0; |
@@ -71,7 +72,7 @@ class DisassemblerElf32 : public Disassembler { |
return a->file_offset() < b->file_offset(); |
} |
- private: |
+ private: |
const RVA rva_; |
RVA relative_target_ = kNoRVA; |
FileOffset file_offset_ = kNoFileOffset; |
@@ -102,7 +103,7 @@ class DisassemblerElf32 : public Disassembler { |
RVA FileOffsetToRVA(FileOffset file_offset) const override; |
FileOffset RVAToFileOffset(RVA rva) const override; |
RVA PointerToTargetRVA(const uint8_t* p) const override; |
- virtual ExecutableType kind() const override = 0; |
+ ExecutableType kind() const override = 0; |
bool ParseHeader() override; |
bool Disassemble(AssemblyProgram* target) override; |
@@ -163,15 +164,15 @@ class DisassemblerElf32 : public Disassembler { |
// Misc address space helpers |
CheckBool RVAsToFileOffsets(const std::vector<RVA>& rvas, |
- std::vector<FileOffset>* file_offsets); |
+ std::vector<FileOffset>* file_offsets) const; |
CheckBool RVAsToFileOffsets( |
- std::vector<std::unique_ptr<TypedRVA>>* typed_rvas); |
+ std::vector<std::unique_ptr<TypedRVA>>* typed_rvas) const; |
// Parsing code for Disassemble(). |
virtual CheckBool ParseRelocationSection(const Elf32_Shdr* section_header, |
- AssemblyProgram* program) |
+ InstructionReceptor* receptor) const |
WARN_UNUSED_RESULT = 0; |
virtual CheckBool ParseRel32RelocsFromSection(const Elf32_Shdr* section) |
@@ -182,7 +183,8 @@ class DisassemblerElf32 : public Disassembler { |
RvaVisitor* CreateRel32TargetRvaVisitor() override; |
void RemoveUnusedRel32Locations(AssemblyProgram* program) override; |
- CheckBool ParseFile(AssemblyProgram* target) WARN_UNUSED_RESULT; |
+ CheckBool ParseFile(AssemblyProgram* target, |
+ InstructionReceptor* receptor) const WARN_UNUSED_RESULT; |
CheckBool ParseProgbitsSection( |
const Elf32_Shdr* section_header, |
@@ -190,11 +192,13 @@ class DisassemblerElf32 : public Disassembler { |
std::vector<FileOffset>::iterator end_abs_offset, |
std::vector<std::unique_ptr<TypedRVA>>::iterator* current_rel, |
std::vector<std::unique_ptr<TypedRVA>>::iterator end_rel, |
- AssemblyProgram* program) WARN_UNUSED_RESULT; |
+ AssemblyProgram* program, |
+ InstructionReceptor* receptor) const WARN_UNUSED_RESULT; |
CheckBool ParseSimpleRegion(FileOffset start_file_offset, |
FileOffset end_file_offset, |
- AssemblyProgram* program) WARN_UNUSED_RESULT; |
+ InstructionReceptor* receptor) const |
+ WARN_UNUSED_RESULT; |
CheckBool ParseAbs32Relocs() WARN_UNUSED_RESULT; |
@@ -220,9 +224,12 @@ class DisassemblerElf32 : public Disassembler { |
const char* default_string_section_; |
size_t default_string_section_size_; |
- std::vector<RVA> abs32_locations_; |
- std::vector<std::unique_ptr<TypedRVA>> rel32_locations_; |
+ // Sorted abs32 and reel32 RVAs. These are mutable because ParseFile() needs |
+ // to sort these by file offsets. |
+ mutable std::vector<RVA> abs32_locations_; |
+ mutable std::vector<std::unique_ptr<TypedRVA>> rel32_locations_; |
+ private: |
DISALLOW_COPY_AND_ASSIGN(DisassemblerElf32); |
}; |