1 ;;;; dumping functionality which isn't needed in cross-compilation
2 ;;;; (and, typically, which is awkward to implement in the
3 ;;;; cross-compilation host)
5 ;;;; This software is part of the SBCL system. See the README file for
8 ;;;; This software is derived from the CMU CL system, which was
9 ;;;; written at Carnegie Mellon University and released into the
10 ;;;; public domain. The software is in the public domain and is
11 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
12 ;;;; files for more information.
14 (in-package "SB!FASL")
16 ;;; Dump the first N bytes of VEC out to FILE. VEC is some sort of unboxed
17 ;;; vector-like thing that we can BLT from.
18 (defun dump-raw-bytes (vec n fasl-output)
19 (declare (type index n) (type fasl-output fasl-output))
20 (sb!sys:output-raw-bytes (fasl-output-stream fasl-output) vec 0 n)
23 ;;; Dump a multi-dimensional array. Note: any displacements are folded out.
25 ;;; This isn't needed at cross-compilation time because SBCL doesn't
26 ;;; use multi-dimensional arrays internally. And it's hard to
27 ;;; implement at cross-compilation time because it uses
28 ;;; WITH-ARRAY-DATA. If it ever becomes necessary to implement it at
29 ;;; cross-compilation time, it might possible to use ROW-MAJOR-AREF
30 ;;; stuff to do it portably.
31 (defun dump-multi-dim-array (array file)
32 (let ((rank (array-rank array)))
34 (dump-integer (array-dimension array i) file))
35 (with-array-data ((vector array) (start) (end))
36 (if (and (= start 0) (= end (length vector)))
37 (sub-dump-object vector file)
38 (sub-dump-object (subseq vector start end) file)))
39 (dump-fop 'fop-array file)
41 (eq-save-object array file)))
43 ;;;; various dump-a-number operations
45 (defun dump-single-float-vector (vec file)
46 (let ((length (length vec)))
47 (dump-fop 'fop-single-float-vector file)
48 (dump-word length file)
49 (dump-raw-bytes vec (* length 4) file)))
51 (defun dump-double-float-vector (vec file)
52 (let ((length (length vec)))
53 (dump-fop 'fop-double-float-vector file)
54 (dump-word length file)
55 (dump-raw-bytes vec (* length 8) file)))
58 (defun dump-long-float-vector (vec file)
59 (let ((length (length vec)))
60 (dump-fop 'fop-long-float-vector file)
61 (dump-word length file)
63 (* length sb!vm:n-word-bytes #!+x86 3 #!+sparc 4)
66 (defun dump-complex-single-float-vector (vec file)
67 (let ((length (length vec)))
68 (dump-fop 'fop-complex-single-float-vector file)
69 (dump-word length file)
70 (dump-raw-bytes vec (* length 8) file)))
72 (defun dump-complex-double-float-vector (vec file)
73 (let ((length (length vec)))
74 (dump-fop 'fop-complex-double-float-vector file)
75 (dump-word length file)
76 (dump-raw-bytes vec (* length 16) file)))
79 (defun dump-complex-long-float-vector (vec file)
80 (let ((length (length vec)))
81 (dump-fop 'fop-complex-long-float-vector file)
82 (dump-word length file)
84 (* length sb!vm:n-word-bytes #!+x86 3 #!+sparc 4 2)
87 #!+(and long-float x86)
88 (defun dump-long-float (float file)
89 (declare (long-float float))
90 (let ((exp-bits (long-float-exp-bits float))
91 (high-bits (long-float-high-bits float))
92 (low-bits (long-float-low-bits float)))
93 ;; We could get away with DUMP-WORD here, since the x86 has 4-byte words,
94 ;; but we prefer to make things as explicit as possible.
96 (dump-integer-as-n-bytes low-bits 4 file)
97 (dump-integer-as-n-bytes high-bits 4 file)
98 (dump-integer-as-n-bytes exp-bits 2 file)))
100 #!+(and long-float sparc)
101 (defun dump-long-float (float file)
102 (declare (long-float float))
103 (let ((exp-bits (long-float-exp-bits float))
104 (high-bits (long-float-high-bits float))
105 (mid-bits (long-float-mid-bits float))
106 (low-bits (long-float-low-bits float)))
107 ;; We could get away with DUMP-WORD here, since the sparc has 4-byte
108 ;; words, but we prefer to make things as explicit as possible.
110 (dump-integer-as-n-bytes low-bits 4 file)
111 (dump-integer-as-n-bytes mid-bits 4 file)
112 (dump-integer-as-n-bytes high-bits 4 file)
113 (dump-integer-as-n-bytes exp-bits 4 file)))