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path: root/src/runtime/panic.go
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Diffstat (limited to 'src/runtime/panic.go')
-rw-r--r--src/runtime/panic.go59
1 files changed, 29 insertions, 30 deletions
diff --git a/src/runtime/panic.go b/src/runtime/panic.go
index 927b6db44b..3cc31053e8 100644
--- a/src/runtime/panic.go
+++ b/src/runtime/panic.go
@@ -281,6 +281,35 @@ func gopanic(e interface{}) {
if gp.m.curg != gp {
gothrow("panic on m stack")
}
+
+ // m.softfloat is set during software floating point.
+ // It increments m.locks to avoid preemption.
+ // We moved the memory loads out, so there shouldn't be
+ // any reason for it to panic anymore.
+ if gp.m.softfloat != 0 {
+ gp.m.locks--
+ gp.m.softfloat = 0
+ gothrow("panic during softfloat")
+ }
+ if gp.m.mallocing != 0 {
+ print("panic: ")
+ printany(e)
+ print("\n")
+ gothrow("panic during malloc")
+ }
+ if gp.m.gcing != 0 {
+ print("panic: ")
+ printany(e)
+ print("\n")
+ gothrow("panic during gc")
+ }
+ if gp.m.locks != 0 {
+ print("panic: ")
+ printany(e)
+ print("\n")
+ gothrow("panic holding locks")
+ }
+
var p _panic
p.arg = e
p.link = gp._panic
@@ -431,33 +460,3 @@ func gothrow(s string) {
dopanic(0)
*(*int)(nil) = 0 // not reached
}
-
-func panicstring(s *int8) {
- // m.softfloat is set during software floating point,
- // which might cause a fault during a memory load.
- // It increments m.locks to avoid preemption.
- // If we're panicking, the software floating point frames
- // will be unwound, so decrement m.locks as they would.
- gp := getg()
- if gp.m.softfloat != 0 {
- gp.m.locks--
- gp.m.softfloat = 0
- }
-
- if gp.m.mallocing != 0 {
- print("panic: ", s, "\n")
- gothrow("panic during malloc")
- }
- if gp.m.gcing != 0 {
- print("panic: ", s, "\n")
- gothrow("panic during gc")
- }
- if gp.m.locks != 0 {
- print("panic: ", s, "\n")
- gothrow("panic holding locks")
- }
-
- var err interface{}
- newErrorCString(unsafe.Pointer(s), &err)
- gopanic(err)
-}