(emit-byte segment (if (eq size :byte) #b10110000 #b10110001))
(emit-ea segment dst (reg-tn-encoding src)))))
+(define-instruction pause (segment)
+ (:printer two-bytes ((op '(#xf3 #x90))))
+ (:emitter
+ (emit-byte segment #xf3)
+ (emit-byte segment #x90)))
\f
(defun emit-prefix (segment name)
(ecase name
;; Lisp (with (DESCRIBE 'BYTE-IMM-CODE)) than to definitively deduce
;; from first principles whether it's defined in some way that genesis
;; can't grok.
- (case #!-darwin (byte-imm-code chunk dstate)
- #!+darwin (word-imm-code chunk dstate)
+ (case #!-ud2-breakpoints (byte-imm-code chunk dstate)
+ #!+ud2-breakpoints (word-imm-code chunk dstate)
(#.error-trap
(nt "error trap")
(sb!disassem:handle-break-args #'snarf-error-junk stream dstate))
(define-instruction break (segment code)
(:declare (type (unsigned-byte 8) code))
- #!-darwin (:printer byte-imm ((op #b11001100)) '(:name :tab code)
- :control #'break-control)
- #!+darwin (:printer word-imm ((op #b0000101100001111)) '(:name :tab code)
- :control #'break-control)
+ #!-ud2-breakpoints (:printer byte-imm ((op #b11001100)) '(:name :tab code)
+ :control #'break-control)
+ #!+ud2-breakpoints (:printer word-imm ((op #b0000101100001111)) '(:name :tab code)
+ :control #'break-control)
(:emitter
- #!-darwin (emit-byte segment #b11001100)
+ #!-ud2-breakpoints (emit-byte segment #b11001100)
;; On darwin, trap handling via SIGTRAP is unreliable, therefore we
;; throw a sigill with 0x0b0f instead and check for this in the
;; SIGILL handler and pass it on to the sigtrap handler if
;; appropriate
- #!+darwin (emit-word segment #b0000101100001111)
+ #!+ud2-breakpoints (emit-word segment #b0000101100001111)
(emit-byte segment code)))
(define-instruction int (segment number)
((:single-float)
(aver (typep value 'single-float))
(cons :dword (ldb (byte 32 0) (single-float-bits value))))
+ ((:double-float-bits)
+ (aver (integerp value))
+ (cons :double-float (ldb (byte 64 0) value)))
((:double-float)
(aver (typep value 'double-float))
(cons :double-float