alignchecker

package
v1.6.6 Latest Latest
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Published: Feb 3, 2020 License: Apache-2.0 Imports: 9 Imported by: 0

Documentation

Overview

Package alignchecker provides routines to check Go and C struct alignments

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CheckStructAlignments

func CheckStructAlignments(pathToObj string, toCheck map[string][]reflect.Type) error

CheckStructAlignments checks whether size and offsets match of the given C and Go structs which are listed in the given toCheck map (C struct name => Go struct []reflect.Type).

C struct size info is extracted from the given ELF object file debug section encoded in DWARF.

To find a matching C struct field, a Go field has to be tagged with `align:"field_name_in_c_struct". In the case of unnamed union field, such union fields can be referred with special tags - `align:"$union0"`, `align:"$union1"`, etc.

Types

This section is empty.

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