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-rw-r--r--module/system/vm/program.scm11
1 files changed, 11 insertions, 0 deletions
diff --git a/module/system/vm/program.scm b/module/system/vm/program.scm
index 5344d3882..8f19c5468 100644
--- a/module/system/vm/program.scm
+++ b/module/system/vm/program.scm
@@ -28,6 +28,8 @@
source:line-for-user
program-sources program-sources-pre-retire program-source
+ program-address-range
+
program-arities program-arity arity:start arity:end
arity:nreq arity:nopt arity:rest? arity:kw arity:allow-other-keys?
@@ -97,6 +99,15 @@
(lp s sources)
source)))))
+(define (program-address-range program)
+ "Return the start and end addresses of @var{program}'s code, as a pair
+of integers."
+ (let ((pdi (find-program-debug-info (program-code program))))
+ (and pdi
+ (cons (program-debug-info-addr pdi)
+ (+ (program-debug-info-addr pdi)
+ (program-debug-info-size pdi))))))
+
;; Source information could in theory be correlated with the ip of the
;; instruction, or the ip just after the instruction is retired. Guile
;; does the latter, to make backtraces easy -- an error produced while