diff options
Diffstat (limited to 'src/cmd/vendor/github.com/google/pprof/internal/elfexec')
| -rw-r--r-- | src/cmd/vendor/github.com/google/pprof/internal/elfexec/elfexec.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/cmd/vendor/github.com/google/pprof/internal/elfexec/elfexec.go b/src/cmd/vendor/github.com/google/pprof/internal/elfexec/elfexec.go index 9b238c5b87..7e42c88d14 100644 --- a/src/cmd/vendor/github.com/google/pprof/internal/elfexec/elfexec.go +++ b/src/cmd/vendor/github.com/google/pprof/internal/elfexec/elfexec.go @@ -259,3 +259,19 @@ func GetBase(fh *elf.FileHeader, loadSegment *elf.ProgHeader, stextOffset *uint6 } return 0, fmt.Errorf("Don't know how to handle FileHeader.Type %v", fh.Type) } + +// 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 +} |
