diff options
Diffstat (limited to 'libgo/go/runtime/debuglog.go')
-rw-r--r-- | libgo/go/runtime/debuglog.go | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/libgo/go/runtime/debuglog.go b/libgo/go/runtime/debuglog.go index 404d0570a0b..d8c87c76462 100644 --- a/libgo/go/runtime/debuglog.go +++ b/libgo/go/runtime/debuglog.go @@ -672,13 +672,17 @@ func (r *debugLogReader) printVal() bool { print("..(", r.uvarint(), " more bytes)..") case debugLogPC: - printDebugLogPC(uintptr(r.uvarint())) + printDebugLogPC(uintptr(r.uvarint()), false) case debugLogTraceback: n := int(r.uvarint()) for i := 0; i < n; i++ { print("\n\t") - printDebugLogPC(uintptr(r.uvarint())) + // gentraceback PCs are always return PCs. + // Convert them to call PCs. + // + // TODO(austin): Expand inlined frames. + printDebugLogPC(uintptr(r.uvarint()), true) } } @@ -801,9 +805,18 @@ func printDebugLog() { printunlock() } -func printDebugLogPC(pc uintptr) { - print(hex(pc)) +// printDebugLogPC prints a single symbolized PC. If returnPC is true, +// pc is a return PC that must first be converted to a call PC. +func printDebugLogPC(pc uintptr, returnPC bool) { name, file, line, _ := funcfileline(pc, -1, false) + entry := funcentry(pc) + if returnPC && (name == "" || (entry != 0 && pc > funcentry(pc))) { + // TODO(austin): Don't back up if the previous frame + // was a sigpanic. + pc-- + } + + print(hex(pc)) if name == "" { print(" [unknown PC]") } else { |