X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fbsd-os.h;h=de0522f73dfc46515c43f02ba68e69aa985e2dfd;hb=860543cc7ba0266e41e1d41ac9b6a208f3795f1a;hp=de568f869a81604f3c813f73173a56f2c5671c9d;hpb=cea4896b2482b7b2b429c1631d774b4cfbc0efba;p=sbcl.git

diff --git a/src/runtime/bsd-os.h b/src/runtime/bsd-os.h
index de568f8..de0522f 100644
--- a/src/runtime/bsd-os.h
+++ b/src/runtime/bsd-os.h
@@ -21,21 +21,40 @@ typedef caddr_t os_vm_address_t;
 typedef vm_size_t os_vm_size_t;
 typedef off_t os_vm_offset_t;
 typedef int os_vm_prot_t;
+typedef int os_context_register_t;
+
+#if defined __OpenBSD__
+/* name defined for compatibility between OpenBSD 3.1 sigaltstack(2) and
+ * Linux sigaltstack(2) */
+typedef struct sigaltstack stack_t;
+#elif defined __FreeBSD__
+/* FreeBSD 4.6 already has stack_t defined. */
+#endif
 
 #if defined __FreeBSD__
 /* Note: The man page for sigaction(2) in FreeBSD 4.0 says that this
  * is an mcontext_t, but according to comments by Raymond Wiker in the
  * original FreeBSD port of SBCL, that's wrong, it's actually a
  * ucontext_t. */
+
+#include <sys/ucontext.h>
 typedef ucontext_t os_context_t;
+/* As the sbcl-devel message from Raymond Wiker 2000-12-01, FreeBSD
+ * (unlike Linux and OpenBSD) doesn't let us tweak the CPU's single
+ * step flag bit by messing with the flags stored in a signal context,
+ * so we need to implement single stepping in a more roundabout way. */
+#define CANNOT_GET_TO_SINGLE_STEP_FLAG
+#define SIG_MEMORY_FAULT SIGBUS
 #elif defined __OpenBSD__
 typedef struct sigcontext os_context_t;
+#define SIG_MEMORY_FAULT SIGSEGV
 #else
 #error unsupported BSD variant
 #endif
 
+#include "target-arch-os.h"
+#include "target-arch.h"
+
 #define OS_VM_PROT_READ PROT_READ
 #define OS_VM_PROT_WRITE PROT_WRITE
 #define OS_VM_PROT_EXECUTE PROT_EXEC
-
-#define OS_VM_DEFAULT_PAGESIZE	4096