binary

Documentation

Index

• Constants
• type Binary
  • func Load(path string) (*Binary, error)
  • func (b *Binary) Initialize() error
  • func (b *Binary) PCToFunc(addr uint64) *Location
  • func (b *Binary) Parse(units ...*unit) (map[string]interface{}, error)
• type Location
  • func (l Location) String() string
• type Strt
  • func (s *Strt) GetFieldAddr(baseAddr uint64, name string) uint64
• type StrtMember

Constants

const (
	DW_OP_addr = 0x03

	// type in elf binary
	UTYPE_VAR    string = "Variable"
	UTYPE_STRUCT string = "StructType"
)

Types

type Binary

type Binary struct {
	Path string

	SymTable *gosym.Table

	// following fields are parsed from binary dwarf during starting
	GoVerAddr      uint64 // parsed vma of runtime.buildVersion
	GStruct        *Strt  // parsed runtime.g struct
	MStruct        *Strt  // parsed runtime.m struct
	PStruct        *Strt  // parsed runtime.p struct
	GobufStruct    *Strt  // parsed runtime.gobuf struct
	SchedtStruct   *Strt  // parsed runtime.schedt struct
	SchedAddr      uint64 // parsed vma of runtime.sched
	AllglenAddr    uint64 // parsed vma of runtime.allglen
	AllgsAddr      uint64 // parsed vma of runtime.allgs
	AllpAddr       uint64 // parsed vma of runtime.allp
	GomaxprocsAddr uint64 // parsed vma of runtime.gomaxprocs
	// contains filtered or unexported fields
}

func Load

func Load(path string) (*Binary, error)

func (*Binary) Initialize

func (b *Binary) Initialize() error

Initialize will pre parse some info from elf binary

func (*Binary) PCToFunc

func (b *Binary) PCToFunc(addr uint64) *Location

PCToFunc convert program counter to symbolic information

func (*Binary) Parse

func (b *Binary) Parse(units ...*unit) (map[string]interface{}, error)

type Location

type Location struct {
	PC   uint64      // program counter
	File string      // source code file name, from dwarf info
	Line int         // soure code line, from dwarf info
	Func *gosym.Func // function name
}

func (Location) String

func (l Location) String() string

type Strt

type Strt struct {
	Name    string
	Size    int64
	Members map[string]*StrtMember
}

Strt is a abstruct struct parsed from dwarf info

func (*Strt) GetFieldAddr

func (s *Strt) GetFieldAddr(baseAddr uint64, name string) uint64

type StrtMember

type StrtMember struct {
	Name       string
	Size       int64  // member field size
	Offset     uint32 // offset in binary
	StrtOffset int64  // offset inside struct
}