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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.go16
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
+}