X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Fx86%2Fmacros.lisp;h=18251b53be3bc0ba0926a70c7012560656644f5d;hb=d6f9676ae94419cb5544c45821a8d31adbc1fbe8;hp=aa6f1e707f7764acd09bd44b177b795c92314363;hpb=4c400df29038a283e6b4df2d835d5b9c5201d0dd;p=sbcl.git

diff --git a/src/compiler/x86/macros.lisp b/src/compiler/x86/macros.lisp
index aa6f1e7..18251b5 100644
--- a/src/compiler/x86/macros.lisp
+++ b/src/compiler/x86/macros.lisp
@@ -290,7 +290,7 @@
 ;;;; error code
 (defun emit-error-break (vop kind code values)
   (assemble ()
-    #!-darwin
+    #!-ud2-breakpoints
     (inst int 3)                        ; i386 breakpoint instruction
     ;; CLH 20060314
     ;; On Darwin, we need to use #x0b0f instead of int3 in order
@@ -298,7 +298,7 @@
     ;; doesn't seem to be reliably firing SIGTRAP
     ;; handlers. Hopefully this will be fixed by Apple at a
     ;; later date.
-    #!+darwin
+    #!+ud2-breakpoints
     (inst word #x0b0f)
     ;; The return PC points here; note the location for the debugger.
     (when vop
@@ -350,6 +350,12 @@
        (progn ,@forms)
        (pseudo-atomic ,@forms)))
 
+;;; Unsafely clear pa flags so that the image can properly lose in a
+;;; pa section.
+#!+sb-thread
+(defmacro %clear-pseudo-atomic ()
+  '(inst mov (make-ea :dword :disp (* 4 thread-pseudo-atomic-bits-slot)) 0 :fs))
+
 #!+sb-thread
 (defmacro pseudo-atomic (&rest forms)
   (with-unique-names (label)
@@ -544,6 +550,7 @@ collection."
         ;; BODY is stuffed in a function to preserve the lexical
         ;; environment.
         `(flet ((,wpo () (progn ,@body)))
+           (declare (muffle-conditions compiler-note))
            ;; PINS are dx-allocated in case the compiler for some
            ;; unfathomable reason decides to allocate value-cells
            ;; for them -- since we have DX value-cells on x86oid