Commit b09351d0 authored by Raymond Toy's avatar Raymond Toy
Browse files

Cross-compile script from x86 to alpha.

From Fausto Saporito.
parent 16c7e026
(in-package :cl-user)
;;; Rename the X86 package and backend so that new-backend does the
;;; right thing.
(rename-package "X86" "OLD-X86")
(setf (c:backend-name c:*native-backend*) "OLD-X86")
(c::new-backend "ALPHA"
;; Features to add here
'(:alpha
:conservative-float-type
:hash-new :random-mt19937
:osf1 :bsd :unix
:cmu :cmu18 :cmu18e
)
;; Features to remove from current *features* here
'(:x86-bootstrap :mips :x86 :i486 :pentium :ppro :alien-callback
:propagate-fun-type :propagate-float-type :constrain-float-type
:modular-arith
:openbsd :freebsd :glibc2 :linux :pentium :linkage-table :elf :mp
:stack-checking :heap-overflow-check :sparc :ppc :darwin :complex-fp-vops
:gencgc :cgc :double-double :long-float :new-random :small))
(setf *features* (remove :modular-arith *features*))
(clrhash kernel::*modular-funs*)
;;; Extern-alien-name for the new backend.
(in-package :vm)
(setf *features* (remove :modular-arith *features*))
(defun extern-alien-name (name)
(declare (type simple-string name))
(concatenate 'string "_" name))
(export 'extern-alien-name)
(export 'fixup-code-object)
(export 'sanctify-for-execution)
;;; Compile the new backend.
(pushnew :bootstrap *features*)
(pushnew :building-cross-compiler *features*)
(load "target:tools/comcom")
;;; Load the new backend.
(setf (search-list "c:")
'("target:compiler/"))
(setf (search-list "vm:")
'("c:alpha/" "c:generic/"))
(setf (search-list "assem:")
'("target:assembly/" "target:assembly/alpha/"))
;; Load the backend of the compiler.
(in-package "C")
(load "vm:vm-macs")
(load "vm:parms")
(load "vm:objdef")
(load "vm:interr")
(load "assem:support")
(load "target:compiler/srctran")
(load "vm:vm-typetran")
(load "target:compiler/float-tran")
(load "target:compiler/saptran")
(load "vm:macros")
(load "vm:utils")
(load "vm:vm")
(load "vm:insts")
(load "vm:primtype")
(load "vm:move")
(load "vm:sap")
(load "vm:system")
(load "vm:char")
(load "vm:float")
(load "vm:memory")
(load "vm:static-fn")
(load "vm:arith")
(load "vm:cell")
(load "vm:subprim")
(load "vm:debug")
(load "vm:c-call")
(load "vm:print")
(load "vm:alloc")
(load "vm:call")
(load "vm:nlx")
(load "vm:values")
(load "vm:array")
(load "vm:pred")
(load "vm:type-vops")
(load "assem:assem-rtns")
(load "assem:array")
(load "assem:arith")
(load "assem:alloc")
(load "c:pseudo-vops")
(check-move-function-consistency)
(load "vm:new-genesis")
;;; OK, the cross compiler backend is loaded.
(setf *features* (remove :building-cross-compiler *features*))
;;; Info environment hacks.
(macrolet ((frob (&rest syms)
`(progn ,@(mapcar #'(lambda (sym)
`(defconstant ,sym
(symbol-value
(find-symbol ,(symbol-name sym)
:vm))))
syms))))
(frob OLD-X86:BYTE-BITS OLD-X86:WORD-BITS
#+long-float OLD-X86:SIMPLE-ARRAY-LONG-FLOAT-TYPE
OLD-X86:SIMPLE-ARRAY-DOUBLE-FLOAT-TYPE
OLD-X86:SIMPLE-ARRAY-SINGLE-FLOAT-TYPE
#+long-float OLD-X86:SIMPLE-ARRAY-COMPLEX-LONG-FLOAT-TYPE
OLD-X86:SIMPLE-ARRAY-COMPLEX-DOUBLE-FLOAT-TYPE
OLD-X86:SIMPLE-ARRAY-COMPLEX-SINGLE-FLOAT-TYPE
OLD-X86:SIMPLE-ARRAY-UNSIGNED-BYTE-2-TYPE
OLD-X86:SIMPLE-ARRAY-UNSIGNED-BYTE-4-TYPE
OLD-X86:SIMPLE-ARRAY-UNSIGNED-BYTE-8-TYPE
OLD-X86:SIMPLE-ARRAY-UNSIGNED-BYTE-16-TYPE
OLD-X86:SIMPLE-ARRAY-UNSIGNED-BYTE-32-TYPE
OLD-X86:SIMPLE-ARRAY-SIGNED-BYTE-8-TYPE
OLD-X86:SIMPLE-ARRAY-SIGNED-BYTE-16-TYPE
OLD-X86:SIMPLE-ARRAY-SIGNED-BYTE-30-TYPE
OLD-X86:SIMPLE-ARRAY-SIGNED-BYTE-32-TYPE
OLD-X86:SIMPLE-BIT-VECTOR-TYPE
OLD-X86:SIMPLE-STRING-TYPE OLD-X86:SIMPLE-VECTOR-TYPE
OLD-X86:SIMPLE-ARRAY-TYPE OLD-X86:VECTOR-DATA-OFFSET
))
(let ((function (symbol-function 'kernel:error-number-or-lose)))
(let ((*info-environment* (c:backend-info-environment c:*target-backend*)))
(setf (symbol-function 'kernel:error-number-or-lose) function)
(setf (info function kind 'kernel:error-number-or-lose) :function)
(setf (info function where-from 'kernel:error-number-or-lose) :defined)))
(defun fix-class (name)
(let* ((new-value (find-class name))
(new-layout (kernel::%class-layout new-value))
(new-cell (kernel::find-class-cell name))
(*info-environment* (c:backend-info-environment c:*target-backend*)))
(remhash name kernel::*forward-referenced-layouts*)
(kernel::%note-type-defined name)
(setf (info type kind name) :instance)
(setf (info type class name) new-cell)
(setf (info type compiler-layout name) new-layout)
new-value))
(fix-class 'c::vop-parse)
(fix-class 'c::operand-parse)
#+random-mt19937
(declaim (notinline kernel:random-chunk))
(setf c:*backend* c:*target-backend*)
;;; Extern-alien-name for the new backend.
(in-package :vm)
(defun extern-alien-name (name)
(declare (type simple-string name))
(concatenate 'string "_" name))
(export 'extern-alien-name)
(export 'fixup-code-object)
(export 'sanctify-for-execution)
(in-package :cl-user)
;;; Don't load compiler parts from the target compilation
(defparameter *load-stuff* nil)
;; hack, hack, hack: Make old-x86::any-reg the same as
;; x86::any-reg as an SC. Do this by adding old-x86::any-reg
;; to the hash table with the same value as x86::any-reg.
(let ((ht (c::backend-sc-names c::*target-backend*)))
(setf (gethash 'old-x86::any-reg ht)
(gethash 'alpha::any-reg ht)))
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