diff options
Diffstat (limited to 'src/runtime/proc.go')
| -rw-r--r-- | src/runtime/proc.go | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/runtime/proc.go b/src/runtime/proc.go index 008bd244e0..8f32320e0c 100644 --- a/src/runtime/proc.go +++ b/src/runtime/proc.go @@ -393,6 +393,11 @@ func releaseSudog(s *sudog) { // funcPC returns the entry PC of the function f. // It assumes that f is a func value. Otherwise the behavior is undefined. +// CAREFUL: In programs with plugins, funcPC can return different values +// for the same function (because there are actually multiple copies of +// the same function in the address space). To be safe, don't use the +// results of this function in any == expression. It is only safe to +// use the result as an address at which to start executing code. //go:nosplit func funcPC(f interface{}) uintptr { return **(**uintptr)(add(unsafe.Pointer(&f), sys.PtrSize)) @@ -3789,8 +3794,8 @@ func setsSP(pc uintptr) bool { // so assume the worst and stop traceback return true } - switch f.entry { - case gogoPC, systemstackPC, mcallPC, morestackPC: + switch f.funcID { + case funcID_gogo, funcID_systemstack, funcID_mcall, funcID_morestack: return true } return false |