echo //entering make-host-2.sh
+# In some cases, a debugging build of the system will creates a core
+# file output/after-xc.core in the next step. In cases where it
+# doesn't, it's confusing and basically useless to have any old copies
+# lying around, so delete:
+rm -f output/after-xc.core
+
# In a fresh host Lisp invocation, load and run the cross-compiler to
# create the target object files describing the target SBCL.
#
# that we used to compile it:
# (1) It reduces the chance that the cross-compilation process
# inadvertently comes to depend on some weird compile-time
-# side-effect.
+# side effect.
# (2) It reduces peak memory demand (because definitions wrapped in
# (EVAL-WHEN (:COMPILE-TOPLEVEL :EXECUTE) ..) aren't defined
# in the fresh image).
# an enormously important disadvantage, either.)
echo //running cross-compiler to create target object files
$SBCL_XC_HOST <<-'EOF' || exit 1
+
+ ;;;
+ ;;; Set up the cross-compiler.
+ ;;;
(setf *print-level* 5 *print-length* 5)
(load "src/cold/shared.lisp")
(in-package "SB-COLD")
(load "src/cold/defun-load-or-cload-xcompiler.lisp")
(load-or-cload-xcompiler #'host-load-stem)
(defun proclaim-target-optimization ()
- (let ((debug (if (find :sb-show *shebang-features*) 2 1)))
+ (let ((debug (if (position :sb-show *shebang-features*) 2 1)))
(sb-xc:proclaim `(optimize (compilation-speed 1)
(debug ,debug)
(sb!ext:inhibit-warnings 2)
- (safety 3)
+ ;; SAFETY = SPEED (and < 3) should
+ ;; reasonable safety, but might skip
+ ;; some unreasonably expensive stuff
+ ;; (e.g. %DETECT-STACK-EXHAUSTION
+ ;; in sbcl-0.7.2).
+ (safety 2)
(space 1)
(speed 2)))))
(compile 'proclaim-target-optimization)
- (defun in-target-cross-compilation-mode (fn)
- "Call FN with everything set up appropriately for cross-compiling
+ (defun in-target-cross-compilation-mode (fun)
+ "Call FUN with everything set up appropriately for cross-compiling
a target file."
- (let (;; Life is simpler at genesis/cold-load time if we
- ;; needn't worry about byte-compiled code.
- (sb!ext:*byte-compile-top-level* nil)
+ (let (;; In order to increase microefficiency of the target Lisp,
+ ;; enable old CMU CL defined-function-types-never-change
+ ;; optimizations. (ANSI says users aren't supposed to
+ ;; redefine our functions anyway; and developers can
+ ;; fend for themselves.)
+ #!-sb-fluid (sb!ext:*derive-function-types* t)
;; Let the target know that we're the cross-compiler.
(*features* (cons :sb-xc *features*))
- ;; We need to tweak the readtable..
- (*readtable* (copy-readtable))
- ;; In order to reduce peak memory usage during GENESIS,
- ;; it helps to stuff several toplevel forms together
- ;; into the same function.
- (sb!c::*top-level-lambda-max* 10))
+ ;; We need to tweak the readtable..
+ (*readtable* (copy-readtable)))
;; ..in order to make backquotes expand into target code
;; instead of host code.
;; FIXME: Isn't this now taken care of automatically by
(proclaim-target-optimization)
;; Specify where target machinery lives.
(with-additional-nickname ("SB-XC" "SB!XC")
- (funcall fn))))
+ (funcall fun))))
(compile 'in-target-cross-compilation-mode)
- (setf *target-compile-file* 'sb-xc:compile-file)
- (setf *target-assemble-file* 'sb!c:assemble-file)
+ (setf *target-compile-file* #'sb-xc:compile-file)
+ (setf *target-assemble-file* #'sb!c:assemble-file)
(setf *in-target-compilation-mode-fn*
#'in-target-cross-compilation-mode)
+
+ ;;;
+ ;;; Run the cross-compiler to produce cold fasl files.
+ ;;;
(load "src/cold/compile-cold-sbcl.lisp")
+
+ ;;;
+ ;;; miscellaneous tidying up and saving results
+ ;;;
(let ((filename "output/object-filenames-for-genesis.lisp-expr"))
(ensure-directories-exist filename :verbose t)
(with-open-file (s filename :direction :output)
(write *target-object-file-names* :stream s :readably t)))
+ ;; Let's check that the type system was reasonably sane. (It's
+ ;; easy to spend a long time wandering around confused trying
+ ;; to debug cold init if it wasn't.)
+ (when (position :sb-test *shebang-features*)
+ (load "tests/type.after-xc.lisp"))
;; If you're experimenting with the system under a
;; cross-compilation host which supports CMU-CL-style SAVE-LISP,
;; this can be a good time to run it. The resulting core isn't
;; used in the normal build, but can be handy for experimenting
- ;; with the system.
- (when (find :sb-show *shebang-features*)
+ ;; with the system. (See slam.sh for an example.)
+ (when (position :sb-after-xc-core *shebang-features*)
#+cmu (ext:save-lisp "output/after-xc.core" :load-init-file nil)
- #+sbcl (sb-ext:save-lisp-and-die "output/after-xc.core"))
- EOF
-
-# Run GENESIS again in order to create cold-sbcl.core.
-#
-# In a fresh host Lisp invocation, load the cross-compiler (in order
-# to get various definitions that GENESIS needs, not in order to
-# cross-compile GENESIS, then load and run GENESIS. (We use a fresh
-# host Lisp invocation here for basically the same reasons we did
-# before when loading and running the cross-compiler.)
-#
-# (Why do we need this second invocation of GENESIS? In order to
-# create a .core file, as opposed to just a .h file, GENESIS needs
-# symbol table data on the C runtime. And we can get that symbol
-# data only after the C runtime has been built. Therefore, even
-# though we ran GENESIS earlier, we couldn't get it to make a .core
-# file at that time; but we needed to run it earlier in order to
-# get to where we can write a .core file.)
-echo //loading and running GENESIS to create cold-sbcl.core
-$SBCL_XC_HOST <<-'EOF' || exit 1
- (setf *print-level* 5 *print-length* 5)
- (load "src/cold/shared.lisp")
- (in-package "SB-COLD")
- (setf *host-obj-prefix* "obj/from-host/"
- *target-obj-prefix* "obj/from-xc/")
- (load "src/cold/set-up-cold-packages.lisp")
- (load "src/cold/defun-load-or-cload-xcompiler.lisp")
- (load-or-cload-xcompiler #'host-load-stem)
- (defparameter *target-object-file-names*
- (with-open-file (s "output/object-filenames-for-genesis.lisp-expr"
- :direction :input)
- (read s)))
- (host-load-stem "compiler/generic/genesis")
- (sb!vm:genesis :object-file-names *target-object-file-names*
- :c-header-file-name "output/sbcl2.h"
- :symbol-table-file-name "src/runtime/sbcl.nm"
- :core-file-name "output/cold-sbcl.core"
- ;; The map file is not needed by the system, but can
- ;; be very handy when debugging cold init problems.
- :map-file-name "output/cold-sbcl.map")
+ #+sbcl (sb-ext:save-lisp-and-die "output/after-xc.core")
+ )
+ #+cmu (ext:quit)
EOF
-echo //testing for consistency of first and second GENESIS passes
-if cmp src/runtime/sbcl.h output/sbcl2.h; then
- echo //sbcl2.h matches sbcl.h -- good.
-else
- echo error: sbcl2.h does not match sbcl.h.
- exit 1
-fi
+# Run GENESIS (again) in order to create cold-sbcl.core. (The first
+# time was before we ran the cross-compiler, in order to create the
+# header file which was needed in order to run gcc on the runtime
+# code.)
+sh make-genesis-2.sh
projects / sbcl.git / blobdiff