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Add new "source" macro instruction; compile-rtl emits it.

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* module/system/vm/assembler.scm (<asm>): Add "sources" field.
  (make-assembler): Adapt to make-asm change.
  (source): New macro assembler.

* module/language/cps/compile-rtl.scm (emit-rtl-sequence):
  (compile-fun): Emit source instructions as appropriate.
This commit is contained in:
Andy Wingo 2013-09-30 21:48:07 +02:00
parent 6371e368e6
commit e675e9bd39
2 changed files with 18 additions and 3 deletions
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6
module/language/cps/compile-rtl.scm
View file

@ -316,6 +316,8 @@
(((k . _) . _) k)
(() #f))))
(emit-label asm k)
(when src
(emit-source asm src))
(emit-rtl k exp-k exp next-label)
(lp exps))))))
@ -335,6 +337,8 @@
kw))
(nlocals (lookup-nlocals k allocation)))
(emit-label asm k)
(when src
(emit-source asm src))
(emit-begin-kw-arity asm req opt rest kw-indices allow-other-keys?
nlocals alternate)
(emit-rtl-sequence asm body allocation nlocals cont-table)
@ -353,6 +357,8 @@
(match f
(($ $fun meta free ($ $cont k src ($ $kentry self tail clauses)))
(emit-begin-program asm k (or meta '()))
(when src
(emit-source asm src))
(emit-fun-clauses clauses)
(emit-end-program asm)))))

15
module/system/vm/assembler.scm
View file

@ -169,7 +169,7 @@
word-size endianness
constants inits
shstrtab next-section-number
meta)
meta sources)
asm?
;; We write RTL code into what is logically a growable vector,
@ -239,7 +239,13 @@
;; A list of <meta>, corresponding to procedure metadata.
;;
(meta asm-meta set-asm-meta!))
(meta asm-meta set-asm-meta!)
;; A list of (pos . source) pairs, indicating source information. POS
;; is relative to the beginning of the text section, and SOURCE is in
;; the same format that source-properties returns.
;;
(sources asm-sources set-asm-sources!))
(define-inlinable (fresh-block)
(make-u32vector *block-size*))
@ -254,7 +260,7 @@ target."
word-size endianness
vlist-null '()
(make-string-table) 1
'()))
'() '()))
(define (intern-section-name! asm string)
"Add a string to the section name table (shstrtab)."
@ -726,6 +732,9 @@ returned instead."
(define-macro-assembler (label asm sym)
(set-asm-labels! asm (acons sym (asm-start asm) (asm-labels asm))))
(define-macro-assembler (source asm source)
(set-asm-sources! asm (acons (asm-start asm) source (asm-sources asm))))
(define-macro-assembler (cache-current-module! asm module scope)
(let ((mod-label (intern-module-cache-cell asm scope)))
(emit-static-set! asm module mod-label 0)))