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author | Dan Kortschak <dan@kortschak.io> | 2021-08-29 14:01:03 +0930 |
---|---|---|
committer | Ian Lance Taylor <iant@golang.org> | 2021-11-05 21:27:19 +0000 |
commit | 58ec92527041f88d427390a92619cd9a927b6aba (patch) | |
tree | b50b1515c742cbcb33ab562cef59bdc631559f24 /src/debug | |
parent | 3e9e02412e7770e46c7e725e17dee09a7d79f32c (diff) | |
download | go-58ec92527041f88d427390a92619cd9a927b6aba.tar.gz go-58ec92527041f88d427390a92619cd9a927b6aba.zip |
debug/plan9obj: export ErrNoSymbols
This allows callers of *File.Symbols to distinguish absence of symbols
from other errors as can already by done in debug/elf.
Fixes #48052
Change-Id: I5ba15d8473911e516c016a69c1f1c710f7fc4cd5
Reviewed-on: https://go-review.googlesource.com/c/go/+/350229
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Diffstat (limited to 'src/debug')
-rw-r--r-- | src/debug/plan9obj/file.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/debug/plan9obj/file.go b/src/debug/plan9obj/file.go index 314608da61..c054635148 100644 --- a/src/debug/plan9obj/file.go +++ b/src/debug/plan9obj/file.go @@ -301,11 +301,15 @@ func newTable(symtab []byte, ptrsz int) ([]Sym, error) { return syms, nil } +// ErrNoSymbols is returned by File.Symbols if there is no such section +// in the File. +var ErrNoSymbols = errors.New("no symbol section") + // Symbols returns the symbol table for f. func (f *File) Symbols() ([]Sym, error) { symtabSection := f.Section("syms") if symtabSection == nil { - return nil, errors.New("no symbol section") + return nil, ErrNoSymbols } symtab, err := symtabSection.Data() |