1.0.41.14: ppc: Treat counter register as an interior pointer during GC.

[sbcl.git] / src / runtime / x86-64-assem.S

diff --git a/src/runtime/x86-64-assem.S b/src/runtime/x86-64-assem.S
index ac42010..c29aceb 100644 (file)
--- a/src/runtime/x86-64-assem.S
+++ b/src/runtime/x86-64-assem.S
@@ -67,7 +67,7 @@
  * for this instruction in the SIGILL handler and if we see it, we
  * advance the EIP by two bytes to skip over ud2 instruction and
  * call sigtrap_handler. */
-#if defined(LISP_FEATURE_DARWIN)
+#if defined(LISP_FEATURE_UD2_BREAKPOINTS)
 #define TRAP ud2
 #else
 #define TRAP int3
@@ -266,6 +266,7 @@ GNAME(fpu_restore):
        .globl  GNAME(undefined_tramp)
        TYPE(GNAME(undefined_tramp))
 GNAME(undefined_tramp):
+       pop     8(%rbp)         # Save return PC for backtrace.
        TRAP
        .byte   trap_Error
         .byte   2