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Diffstat (limited to 'tools/pe_bliss/pe_exception_directory.h')
-rw-r--r-- | tools/pe_bliss/pe_exception_directory.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tools/pe_bliss/pe_exception_directory.h b/tools/pe_bliss/pe_exception_directory.h new file mode 100644 index 0000000000..9f9ee14cae --- /dev/null +++ b/tools/pe_bliss/pe_exception_directory.h @@ -0,0 +1,67 @@ +#pragma once +#include <vector> +#include "pe_structures.h" +#include "pe_base.h" + +namespace pe_bliss +{ +//Class representing exception directory entry +class exception_entry +{ +public: + //Default constructor + exception_entry(); + //Constructor from data + exception_entry(const pe_win::image_runtime_function_entry& entry, const pe_win::unwind_info& unwind_info); + + //Returns starting address of function, affected by exception unwinding + uint32_t get_begin_address() const; + //Returns ending address of function, affected by exception unwinding + uint32_t get_end_address() const; + //Returns unwind info address + uint32_t get_unwind_info_address() const; + + //Returns UNWIND_INFO structure version + uint8_t get_unwind_info_version() const; + + //Returns unwind info flags + uint8_t get_flags() const; + //The function has an exception handler that should be called + //when looking for functions that need to examine exceptions + bool has_exception_handler() const; + //The function has a termination handler that should be called + //when unwinding an exception + bool has_termination_handler() const; + //The unwind info structure is not the primary one for the procedure + bool is_chaininfo() const; + + //Returns size of function prolog + uint8_t get_size_of_prolog() const; + + //Returns number of unwind slots + uint8_t get_number_of_unwind_slots() const; + + //If the function uses frame pointer + bool uses_frame_pointer() const; + //Number of the nonvolatile register used as the frame pointer, + //using the same encoding for the operation info field of UNWIND_CODE nodes + uint8_t get_frame_pointer_register_number() const; + //The scaled offset from RSP that is applied to the FP reg when it is established. + //The actual FP reg is set to RSP + 16 * this number, allowing offsets from 0 to 240 + uint8_t get_scaled_rsp_offset() const; + +private: + uint32_t begin_address_, end_address_, unwind_info_address_; + uint8_t unwind_info_version_; + uint8_t flags_; + uint8_t size_of_prolog_; + uint8_t count_of_codes_; + uint8_t frame_register_, frame_offset_; +}; + +typedef std::vector<exception_entry> exception_entry_list; + +//Returns exception directory data (exists on PE+ only) +//Unwind opcodes are not listed, because their format and list are subject to change +const exception_entry_list get_exception_directory_data(const pe_base& pe); +} |