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-rw-r--r--module/language/assembly.scm17
1 files changed, 12 insertions, 5 deletions
diff --git a/module/language/assembly.scm b/module/language/assembly.scm
index 90b2acc03..e7308ac6f 100644
--- a/module/language/assembly.scm
+++ b/module/language/assembly.scm
@@ -24,7 +24,7 @@
#:use-module (system vm instruction)
#:use-module ((srfi srfi-1) #:select (fold))
#:export (byte-length
- addr+ align-program align-code
+ addr+ align-program align-code align-block
assembly-pack assembly-unpack
object->assembly assembly->object))
@@ -63,17 +63,24 @@
(define *program-alignment* 8)
+(define *block-alignment* 8)
+
(define (addr+ addr code)
(fold (lambda (x len) (+ (byte-length x) len))
addr
code))
+(define (code-alignment addr alignment header-len)
+ (make-list (modulo (- alignment
+ (modulo (+ addr header-len) alignment))
+ alignment)
+ '(nop)))
+
+(define (align-block addr)
+ (code-alignment addr *block-alignment* 0))
(define (align-code code addr alignment header-len)
- `(,@(make-list (modulo (- alignment
- (modulo (+ addr header-len) alignment))
- alignment)
- '(nop))
+ `(,@(code-alignment addr alignment header-len)
,code))
(define (align-program prog addr)