(inst jmp (make-ea-for-object-slot eax closure-fun-slot fun-pointer-lowtag)))
\f
(define-assembly-routine (throw
- (:return-style :none))
+ (:return-style :raw))
((:arg target (descriptor-reg any-reg) edx-offset)
(:arg start any-reg ebx-offset)
(:arg count any-reg ecx-offset)
LOOP
- (let ((error (generate-error-code nil 'unseen-throw-tag-error target)))
- (inst or catch catch) ; check for NULL pointer
+ (let ((error (gen-label)))
+ (assemble (*elsewhere*)
+ (emit-label error)
+
+ ;; Fake up a stack frame so that backtraces come out right.
+ (inst push ebp-tn)
+ (inst mov ebp-tn esp-tn)
+
+ (emit-error-break nil error-trap
+ (error-number-or-lose 'unseen-throw-tag-error)
+ (list target)))
+ (inst test catch catch) ; check for NULL pointer
(inst jmp :z error))
(inst cmp target (make-ea-for-object-slot catch catch-block-tag-slot 0))
(declare (ignore start count))
(let ((error (generate-error-code nil 'invalid-unwind-error)))
- (inst or block block) ; check for NULL pointer
+ (inst test block block) ; check for NULL pointer
(inst jmp :z error))
(load-tl-symbol-value uwp *current-unwind-protect-block*)
(declare (ignore start count))
(let ((error (generate-error-code nil 'invalid-unwind-error)))
- (inst or block block) ; check for NULL pointer
+ (inst test block block) ; check for NULL pointer
(inst jmp :z error))
;; Save all our registers, as we're about to clobber them.
(inst push 0)
(inst push 0)
(inst push ecx-tn)
- (inst call (make-fixup "RtlUnwind@16" :foreign)))
+ (inst call (make-fixup "RtlUnwind" :foreign)))
;; We want no VOP for this one and for it to only happen on Win32
;; targets. Hence the following disaster.