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debug/pe: permit symbols with no name

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They are reportedly generated by llvm-mingw clang21.

Fixes #75219

Change-Id: I7fa7e13039bc7eee826cc19826985ca0e357a9ff
Reviewed-on: https://go-review.googlesource.com/c/go/+/700137
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Quim Muntal <quimmuntal@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Ian Lance Taylor 2025-09-01 09:18:08 -07:00 • committed by Gopher Robot
parent 4cc7cc74c3
commit ea00650784
1 changed files with 6 additions and 1 deletions
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7
src/debug/pe/symbol.go
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@ -98,7 +98,12 @@ func readCOFFSymbols(fh *FileHeader, r io.ReadSeeker) ([]COFFSymbol, error) {
// isSymNameOffset checks symbol name if it is encoded as offset into string table.
func isSymNameOffset(name [8]byte) (bool, uint32) {
if name[0] == 0 && name[1] == 0 && name[2] == 0 && name[3] == 0 {
return true, binary.LittleEndian.Uint32(name[4:])
offset := binary.LittleEndian.Uint32(name[4:])
if offset == 0 {
// symbol has no name
return false, 0
}
return true, offset
}
return false, 0
}