Function FindTextProgHeader

internal/elfexec/elfexec.go:287–299

FindTextProgHeader finds the program segment header containing the .text section or nil if the segment cannot be found.

(f *elf.File)

// FindTextProgHeader finds the program segment header containing the .text
// section or nil if the segment cannot be found.
func FindTextProgHeader(f *elf.File) *elf.ProgHeader {
	for _, s := range f.Sections {
		if s.Name == ".text" {
			// Find the LOAD segment containing the .text section.
			for _, p := range f.Progs {
				if p.Type == elf.PT_LOAD && p.Flags&elf.PF_X != 0 && s.Addr >= p.Vaddr && s.Addr < p.Vaddr+p.Memsz {
					return &p.ProgHeader
				}
			}
		}
	}
	return nil
}

// ProgramHeadersForMapping returns the program segment headers that overlap
// the runtime mapping with file offset mapOff and memory size mapSz. We skip