X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fearly-fasl.lisp;h=a6dd6b5568fd1722ee1897a0da7a4503c3c726a8;hb=b767eae48831153473226b985511c8f7a3ef98c5;hp=161fca0c940096cd41ec3c58eac0e0fac6d8b9b1;hpb=6fb6e66f531dfb6140ec3e0cc8f84f6ecd1927ca;p=sbcl.git diff --git a/src/code/early-fasl.lisp b/src/code/early-fasl.lisp index 161fca0..a6dd6b5 100644 --- a/src/code/early-fasl.lisp +++ b/src/code/early-fasl.lisp @@ -36,9 +36,13 @@ ;;; the code for a character which terminates a fasl file header (defconstant +fasl-header-string-stop-char-code+ 255) -;;; This value should be incremented when the system changes in such -;;; a way that it will no longer work reliably with old fasl files. -(defconstant +fasl-file-version+ 20) +;;; This value should be incremented when the system changes in such a +;;; way that it will no longer work reliably with old fasl files. In +;;; practice, I (WHN) fairly often neglect to increment it for CVS +;;; versions which break binary compatibility. But it certainly should +;;; be incremented for release versions which break binary +;;; compatibility. +(defconstant +fasl-file-version+ 24) ;;; 2 = sbcl-0.6.4 uses COMPILE-OR-LOAD-DEFGENERIC. ;;; 3 = sbcl-0.6.6 uses private symbol, not :EMPTY, for empty HASH-TABLE slot. ;;; 4 = sbcl-0.6.7 uses HAIRY-DATA-VECTOR-REF and HAIRY-DATA-VECTOR-SET @@ -77,10 +81,22 @@ ;;; the PPC port ;;; (In 0.pre7.48, the low-level object layout of SYMBOL on the ;;; non-X86 ports changed. I forgot to bump the fasl version number: -;;; I only have an X86..) +;;; I only have an X86.. -- WHN) ;;; 19 = sbcl-0.pre7.50 deleted byte-compiler-related low-level type codes ;;; 20 = sbcl-0.pre7.51 modified names and layouts of ;;; physical-environment-related structures in the compiler +;;; 21 = sbcl-0.pre7.62 finally incremented the version after several +;;; incompatible changes in earlier versions: many many symbols +;;; renamed, changes in globaldb representation of constants +;;; and inline functions, and change in the value of +;;; INTERNAL-TIME-UNITS-PER-SECOND +;;; 22 = about a zillion changes between sbcl-0.pre7.62 and +;;; sbcl-0.pre7.133, during which time it seemed too much +;;; trouble to increment the counter +;;; 23 = sbcl-0.7.0.1 deleted no-longer-used EVAL-STACK stuff, +;;; causing changes in *STATIC-SYMBOLS*. +;;; 24 = sbcl-0.7.1.19 changed PCL service routines which might be +;;; called from macroexpanded code ;;; the conventional file extension for our fasl files (declaim (type simple-string *fasl-file-type*)) @@ -92,11 +108,11 @@ ;;; Assembler routines are named by full Lisp symbols: they ;;; have packages and that sort of native Lisp stuff associated ;;; with them. We can compare them with EQ. -;;; Foreign symbols are named by Lisp strings: the Lisp package +;;; Foreign symbols are named by Lisp STRINGs: the Lisp package ;;; system doesn't extend out to symbols in languages like C. ;;; We want to use EQUAL to compare them. ;;; *STATIC-FOREIGN-SYMBOLS* are static as opposed to "dynamic" (not -;;; as opposed to "extern"). The table contains symbols known at +;;; as opposed to C's "extern"). The table contains symbols known at ;;; the time that the program was built, but not symbols defined ;;; in object files which have been loaded dynamically since then. (declaim (type hash-table *assembler-routines* *static-foreign-symbols*)) @@ -105,14 +121,14 @@ ;;;; the FOP database -(declaim (simple-vector *fop-names* *fop-functions*)) +(declaim (simple-vector *fop-names* *fop-funs*)) ;;; a vector indexed by a FaslOP that yields the FOP's name (defvar *fop-names* (make-array 256 :initial-element nil)) ;;; a vector indexed by a FaslOP that yields a function of 0 arguments ;;; which will perform the operation -(defvar *fop-functions* +(defvar *fop-funs* (make-array 256 :initial-element (lambda () (error "corrupt fasl file: losing FOP")))) @@ -129,7 +145,7 @@ ;;; the FASL file we're reading from (defvar *fasl-input-stream*) -(declaim (type lisp-stream *fasl-input-stream*)) +(declaim (type ansi-stream *fasl-input-stream*)) (defvar *load-print* nil #!+sb-doc