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authorAndy Wingo <wingo@pobox.com>2018-05-14 13:21:16 +0200
committerAndy Wingo <wingo@pobox.com>2018-05-14 14:04:59 +0200
commit77e7bea4c25431f39bb8ba7f900e35ef008ea00b (patch)
tree7130bb7993de87be32f1add75d084e6734bf21fd /module/system
parent667d808f5841dd99341f220b88f15ab5ed26390a (diff)
downloadguile-77e7bea4c25431f39bb8ba7f900e35ef008ea00b.tar.gz
Remove backend support for cached-module-box et al.
* module/language/cps/compile-bytecode.scm (compile-function): Remove unused assemblers for cached-module-box, cached-toplevel-box, and cache-current-module!. * module/language/cps/effects-analysis.scm (&cache): New memory kind. (cache-current-module!): Set &cache memory, not &box. (resolve-module, lookup-module, cache-ref, cache-set!): Add effect annotations. * module/system/vm/assembler.scm (emit-cache-current-module!) (emit-cached-toplevel-box, emit-cached-module-box): Remove assemblers. * module/system/vm/disassembler.scm (code-annotation, fold-code-range): Remove special cases for toplevel-box and module-box. * module/system/xref.scm (program-callee-rev-vars): Add a FIXME for the future.
Diffstat (limited to 'module/system')
-rw-r--r--module/system/vm/assembler.scm19
-rw-r--r--module/system/vm/disassembler.scm22
-rw-r--r--module/system/xref.scm6
3 files changed, 5 insertions, 42 deletions
diff --git a/module/system/vm/assembler.scm b/module/system/vm/assembler.scm
index 4c4eec463..e8e767d91 100644
--- a/module/system/vm/assembler.scm
+++ b/module/system/vm/assembler.scm
@@ -252,8 +252,6 @@
emit-current-module
emit-resolve
emit-define!
- emit-toplevel-box
- emit-module-box
emit-prompt
emit-current-thread
emit-fadd
@@ -1495,29 +1493,12 @@ returned instead."
(- (asm-start asm) (arity-low-pc arity)))))
(set-arity-definitions! arity (cons def (arity-definitions arity)))))
-(define-macro-assembler (cache-current-module! asm module scope)
- (let ((mod-label (intern-cache-cell asm scope)))
- (emit-static-set! asm module mod-label 0)))
-
(define-macro-assembler (cache-ref asm dst key)
(emit-static-ref asm dst (intern-cache-cell asm key)))
(define-macro-assembler (cache-set! asm key val)
(emit-static-set! asm val (intern-cache-cell asm key) 0))
-(define-macro-assembler (cached-toplevel-box asm dst scope sym bound?)
- (let ((sym-label (intern-non-immediate asm sym))
- (mod-label (intern-cache-cell asm scope))
- (cell-label (intern-cache-cell asm (cons scope sym))))
- (emit-toplevel-box asm dst cell-label mod-label sym-label bound?)))
-
-(define-macro-assembler (cached-module-box asm dst module-name sym public? bound?)
- (let* ((sym-label (intern-non-immediate asm sym))
- (key (cons public? module-name))
- (mod-name-label (intern-constant asm key))
- (cell-label (intern-cache-cell asm (acons public? module-name sym))))
- (emit-module-box asm dst cell-label mod-name-label sym-label bound?)))
-
(define-macro-assembler (slot-map asm proc-slot slot-map)
(unless (zero? slot-map)
(set-asm-slot-maps! asm (cons
diff --git a/module/system/vm/disassembler.scm b/module/system/vm/disassembler.scm
index ac4c55cdc..2ab2bf575 100644
--- a/module/system/vm/disassembler.scm
+++ b/module/system/vm/disassembler.scm
@@ -284,14 +284,6 @@ address of that offset."
(list "~@Y" (dereference-scm target)))
(('resolve-module dst name public)
(list "~a" (if (zero? public) "private" "public")))
- (('toplevel-box _ var-offset mod-offset sym-offset bound?)
- (list "`~A'~A" (dereference-scm sym-offset)
- (if bound? "" " (maybe unbound)")))
- (('module-box _ var-offset mod-name-offset sym-offset bound?)
- (let ((mod-name (reference-scm mod-name-offset)))
- (list "`(~A ~A ~A)'~A" (if (car mod-name) '@ '@@) (cdr mod-name)
- (dereference-scm sym-offset)
- (if bound? "" " (maybe unbound)"))))
(('load-typed-array dst type shape target len)
(let ((addr (u32-offset->addr (+ offset target) context)))
(list "~a bytes from #x~X" len addr)))
@@ -426,20 +418,6 @@ address of that offset."
`(builtin-ref ,dst ,(builtin-index->name idx)))
(((or 'static-ref 'static-set!) dst target)
`(,(car code) ,dst ,(dereference-scm target)))
- (('toplevel-box dst var-offset mod-offset sym-offset bound?)
- `(toplevel-box ,dst
- ,(dereference-scm var-offset)
- ,(dereference-scm mod-offset)
- ,(dereference-scm sym-offset)
- ,bound?))
- (('module-box dst var-offset mod-name-offset sym-offset bound?)
- (let ((mod-name (reference-scm mod-name-offset)))
- `(module-box ,dst
- ,(dereference-scm var-offset)
- ,(car mod-name)
- ,(cdr mod-name)
- ,(dereference-scm sym-offset)
- ,bound?)))
(_ code)))
(let lp ((offset start) (seed seed))
(cond
diff --git a/module/system/xref.scm b/module/system/xref.scm
index 2b943fdd9..e335f9481 100644
--- a/module/system/xref.scm
+++ b/module/system/xref.scm
@@ -1,4 +1,4 @@
-;;;; Copyright (C) 2009, 2010, 2013 Free Software Foundation, Inc.
+;;;; Copyright (C) 2009, 2010, 2013, 2018 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@@ -56,6 +56,10 @@
(fold (lambda (prog out)
(fold-program-code
(lambda (elt out)
+ ;; FIXME: Update for change to top-level variable
+ ;; resolution. Need to build a per-program map of
+ ;; IP->SLOT->CONSTANT to be able to resolve operands to
+ ;; resolve-module and lookup intrinsic calls.
(match elt
(('toplevel-box dst var mod sym bound?)
(let ((var (or var (and mod (module-variable mod sym)))))