X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=base-target-features.lisp-expr;h=7bd7caff6a787a24a4164978c96b3c5a4d71d4e9;hb=883474646eb02d2fc0de5dcf4c63cf7ff794b2eb;hp=60161d41f93cc3646431b34864bd7fd8e3bf6c6e;hpb=1baab0bfb9538caec57262ed37f693507f6f33ec;p=sbcl.git

diff --git a/base-target-features.lisp-expr b/base-target-features.lisp-expr
index 60161d4..7bd7caf 100644
--- a/base-target-features.lisp-expr
+++ b/base-target-features.lisp-expr
@@ -237,6 +237,11 @@
  ;; local storage.
  ; :restore-tls-segment-register-from-tls
 
+ ;; On some x86oid operating systems (darwin) SIGTRAP is not reliably
+ ;; delivered for the INT3 instruction, so we use the UD2 instruction
+ ;; which generates SIGILL instead.
+ ; :ud2-breakpoints
+
  ;; Support for detection of unportable code (when applied to the
  ;; COMMON-LISP package, or SBCL-internal pacakges) or bad-neighbourly
  ;; code (when applied to user-level packages), relating to material