Skip to content
Snippets Groups Projects

Compare revisions

Changes are shown as if the source revision was being merged into the target revision. Learn more about comparing revisions.

Source

Select target project
No results found

Target

Select target project
  • opensrc/libehp
1 result
Show changes
Commits on Source (7)
Expand all Hide whitespace changes
Inline Side-by-side
include/ehp.hpp
View file @ 2b640f5e
......@@ -20,6 +20,7 @@
// @HEADER_END
// testing -- edit
#ifndef ehp_hpp
#define ehp_hpp
......@@ -151,14 +152,14 @@ class LSDA_t
virtual uint8_t getTTEncoding() const =0;
virtual void print() const=0;
virtual uint64_t getLandingPadBaseAddress() const = 0;
virtual const CallSiteVector_t* getCallSites() const =0;
virtual const CallSiteVector_t* getCallSites() const =0;
virtual uint64_t getCallSiteTableAddress() const = 0;
virtual uint64_t getCallSiteTableAddressLocation() const = 0;
virtual uint8_t getCallSiteTableEncoding() const = 0;
virtual const TypeTableVector_t* getTypeTable() const =0;
virtual const TypeTableVector_t* getTypeTable() const =0;
virtual uint64_t getTypeTableAddress() const = 0;
virtual uint64_t getTypeTableAddressLocation() const = 0;
virtual uint64_t getCallSiteTableLength() const = 0;
virtual uint64_t getCallSiteTableLength() const = 0;
virtual uint8_t getTypeTableEncoding() const = 0;
unique_ptr<LSDA_t> factory(const string lsda_data, const uint64_t lsda_start_addr);
};
......@@ -181,15 +182,16 @@ class FDEContents_t
virtual const LSDA_t* getLSDA() const =0;
virtual uint64_t getLSDAAddress() const =0;
virtual uint64_t getStartAddressPosition() const = 0;
virtual uint64_t getEndAddressPosition() const = 0;
virtual uint64_t getEndAddressSize() const = 0;
virtual uint64_t getLSDAAddressPosition() const = 0;
virtual uint64_t getLSDAAddressSize() const = 0;
virtual uint64_t getEndAddressPosition() const = 0;
virtual uint64_t getEndAddressSize() const = 0;
virtual uint64_t getLSDAAddressPosition() const = 0;
virtual uint64_t getLSDAAddressSize() const = 0;
virtual void print() const=0; // move to ostream? toString?
};
using EHPEndianness_t = enum EHPEndianness { HOST, BIG, LITTLE } ;
using FDEVector_t = vector<const FDEContents_t*>;
using CIEVector_t = vector<const CIEContents_t*>;
class EHFrameParser_t
......@@ -197,9 +199,9 @@ class EHFrameParser_t
protected:
EHFrameParser_t() {}
EHFrameParser_t(const EHFrameParser_t&) {}
virtual bool parse(const bool is_be)=0;
public:
virtual ~EHFrameParser_t() {}
virtual bool parse()=0;
virtual void print() const=0;
virtual const FDEVector_t* getFDEs() const =0;
virtual const CIEVector_t* getCIEs() const =0;
......@@ -208,8 +210,10 @@ class EHFrameParser_t
#if USE_ELFIO
static unique_ptr<const EHFrameParser_t> factory(const string filename);
#endif
static unique_ptr<const EHFrameParser_t> factory(
uint8_t ptrsize,
EHPEndianness_t endian_style,
const string eh_frame_data, const uint64_t eh_frame_data_start_addr,
const string eh_frame_hdr_data, const uint64_t eh_frame_hdr_data_start_addr,
const string gcc_except_table_data, const uint64_t gcc_except_table_data_start_addr
......
src/ehp.cpp
View file @ 2b640f5e
This diff is collapsed.
src/ehp_priv.hpp
View file @ 2b640f5e
......@@ -49,17 +49,20 @@ class eh_frame_util_t
{
public:
template <class T>
static bool read_type(T &value, uint64_t &position, const uint8_t* const data, const uint64_t max);
static bool read_type(T &value, uint64_t &position, const uint8_t* const data, const uint64_t max, const bool is_be);
template <class T>
static bool read_type_with_encoding
(const uint8_t encoding, T &value,
static bool read_type_with_encoding (
const uint8_t encoding, T &value,
uint64_t &position,
const uint8_t* const data,
const uint64_t max,
const uint64_t section_start_addr );
const uint64_t section_start_addr,
const bool is_be
);
static bool read_string
(string &s,
static bool read_string (
string &s,
uint64_t &position,
const uint8_t* const data,
const uint64_t max);
......@@ -67,23 +70,28 @@ class eh_frame_util_t
// see https://en.wikipedia.org/wiki/LEB128
static bool read_uleb128
( uint64_t &result,
(
uint64_t &result,
uint64_t &position,
const uint8_t* const data,
const uint64_t max);
const uint64_t max
);
// see https://en.wikipedia.org/wiki/LEB128
static bool read_sleb128 (
int64_t &result,
uint64_t &position,
const uint8_t* const data,
const uint64_t max);
const uint64_t max
);
static bool read_length(
uint64_t &act_length,
uint64_t &position,
const uint8_t* const data,
const uint64_t max);
const uint64_t max,
const bool is_be
);
};
template <int ptrsize>
......@@ -113,7 +121,9 @@ class eh_program_insn_t : public EHProgramInstruction_t
uint8_t opcode,
uint64_t &pos,
const uint8_t* const data,
const uint64_t &max);
const uint64_t &max,
const bool is_be
);
bool isNop() const ;
bool isDefCFAOffset() const ;
......@@ -144,7 +154,9 @@ class eh_program_t : public EHProgram_t
bool parse_program(
const uint64_t& program_start_position,
const uint8_t* const data,
const uint64_t &max_program_pos);
const uint64_t &max_program_pos,
const bool is_be
);
virtual const EHProgramInstructionVector_t* getInstructions() const ;
vector<eh_program_insn_t <ptrsize> >& getInstructionsInternal() ;
const vector<eh_program_insn_t <ptrsize> >& getInstructionsInternal() const ;
......@@ -163,19 +175,19 @@ class cie_contents_t : public CIEContents_t, private eh_frame_util_t<ptrsize>
private:
uint64_t cie_position;
uint64_t length;
uint8_t cie_id;
uint8_t cie_version;
string augmentation;
uint8_t cie_id;
uint8_t cie_version;
string augmentation;
uint64_t code_alignment_factor;
int64_t data_alignment_factor;
int64_t data_alignment_factor;
uint64_t return_address_register_column;
uint64_t augmentation_data_length;
uint8_t personality_encoding;
uint8_t personality_encoding;
uint64_t personality;
uint64_t personality_pointer_position;
uint64_t personality_pointer_size;
uint8_t lsda_encoding;
uint8_t fde_encoding;
uint8_t lsda_encoding;
uint8_t fde_encoding;
eh_program_t<ptrsize> eh_pgm;
public:
......@@ -186,8 +198,8 @@ class cie_contents_t : public CIEContents_t, private eh_frame_util_t<ptrsize>
uint64_t getPosition() const { return cie_position; }
uint64_t getLength() const { return length; }
uint64_t getCAF() const ;
int64_t getDAF() const ;
uint8_t getPersonalityEncoding() const { return personality_encoding; }
int64_t getDAF() const ;
uint8_t getPersonalityEncoding() const { return personality_encoding; }
uint64_t getPersonality() const ;
uint64_t getPersonalityPointerPosition() const { return personality_pointer_position; };
uint64_t getPersonalityPointerSize() const { return personality_pointer_size; };
......@@ -201,7 +213,9 @@ class cie_contents_t : public CIEContents_t, private eh_frame_util_t<ptrsize>
const uint64_t &cie_position,
const uint8_t* const data,
const uint64_t max,
const uint64_t eh_addr);
const uint64_t eh_addr,
const bool is_be
);
void print(const uint64_t startAddr) const ;
};
......@@ -215,7 +229,7 @@ class lsda_call_site_action_t : public LSDACallSiteAction_t, private eh_frame_ut
lsda_call_site_action_t() ;
int64_t getAction() const ;
bool parse_lcsa(uint64_t &pos, const uint8_t* const data, const uint64_t max, bool &end);
bool parse_lcsa(uint64_t &pos, const uint8_t* const data, const uint64_t max, bool &end, const bool is_be);
void print() const;
};
......@@ -243,7 +257,8 @@ class lsda_type_table_entry_t: public LSDATypeTableEntry_t, private eh_frame_uti
const uint64_t index,
const uint8_t* const data,
const uint64_t max,
const uint64_t data_addr
const uint64_t data_addr,
const bool is_be
);
void print() const;
......@@ -295,7 +310,9 @@ class lsda_call_site_t : public LSDACallSite_t, private eh_frame_util_t<ptrsize>
const uint64_t max, /* call site table max */
const uint64_t data_addr,
const uint64_t landing_pad_base_addr,
const uint64_t gcc_except_table_max);
const uint64_t gcc_except_table_max,
const bool is_be
);
void print() const;
......@@ -345,7 +362,8 @@ class lsda_t : public LSDA_t, private eh_frame_util_t<ptrsize>
uint8_t getTTEncoding() const ;
bool parse_lsda(const uint64_t lsda_addr,
const ScoopReplacement_t* gcc_except_scoop_data,
const uint64_t fde_region_start
const uint64_t fde_region_start,
const bool is_be
);
void print() const;
uint64_t getLandingPadBaseAddress() const { return landing_pad_base_addr; }
......@@ -370,16 +388,16 @@ class fde_contents_t : public FDEContents_t, eh_frame_util_t<ptrsize>
uint64_t fde_position;
uint64_t cie_position;
uint64_t length;
uint8_t id;
uint8_t id;
uint64_t fde_start_addr;
uint64_t fde_end_addr;
uint64_t fde_range_len;
uint64_t lsda_addr;
uint64_t fde_start_addr_position;
uint64_t fde_end_addr_position;
uint64_t fde_end_addr_size;
uint64_t fde_lsda_addr_position;
uint64_t fde_lsda_addr_size;
uint64_t fde_start_addr_position;
uint64_t fde_end_addr_position;
uint64_t fde_end_addr_size;
uint64_t fde_lsda_addr_position;
uint64_t fde_lsda_addr_size;
lsda_t<ptrsize> lsda;
eh_program_t<ptrsize> eh_pgm;
......@@ -409,10 +427,10 @@ class fde_contents_t : public FDEContents_t, eh_frame_util_t<ptrsize>
const LSDA_t* getLSDA() const { return &lsda; } // shared_ptr<LSDA_t>(new lsda_t<ptrsize>(lsda)) ; }
const lsda_t<ptrsize>& getLSDAInternal() const { return lsda; }
uint64_t getLSDAAddress() const { return lsda_addr; }
uint64_t getStartAddressPosition() const { return fde_start_addr_position; }
uint64_t getEndAddressPosition() const { return fde_end_addr_position; }
uint64_t getEndAddressSize() const { return fde_end_addr_size; }
uint64_t getLSDAAddress() const { return lsda_addr; }
uint64_t getStartAddressPosition() const { return fde_start_addr_position; }
uint64_t getEndAddressPosition() const { return fde_end_addr_position; }
uint64_t getEndAddressSize() const { return fde_end_addr_size; }
uint64_t getLSDAAddressPosition() const { return fde_lsda_addr_position; }
uint64_t getLSDAAddressSize() const { return fde_lsda_addr_size; }
......@@ -422,7 +440,8 @@ class fde_contents_t : public FDEContents_t, eh_frame_util_t<ptrsize>
const uint8_t* const data,
const uint64_t max,
const uint64_t eh_addr,
const ScoopReplacement_t *gcc_except_scoop);
const ScoopReplacement_t *gcc_except_scoop,
const bool is_be);
void print() const;
......@@ -449,7 +468,7 @@ class split_eh_frame_impl_t : public EHFrameParser_t
mutable FDEVector_t fdes_cache;
bool iterate_fdes();
bool iterate_fdes(const bool is_be);
public:
......@@ -466,7 +485,7 @@ class split_eh_frame_impl_t : public EHFrameParser_t
{
}
bool parse();
bool parse(const bool is_be);
void print() const;
virtual const FDEVector_t* getFDEs() const;
......