X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fx86-darwin-os.h;h=f3b7311f7627a1d768e3400b72bc31506b0a4b10;hb=eac461c1f1ca91cfe282c779291d582ed6b336cb;hp=36581d33aec7892200de4106649c4dd66437c507;hpb=ba70061023f0e124aa1149f3203ec67c0fac155d;p=sbcl.git

diff --git a/src/runtime/x86-darwin-os.h b/src/runtime/x86-darwin-os.h
index 36581d3..f3b7311 100644
--- a/src/runtime/x86-darwin-os.h
+++ b/src/runtime/x86-darwin-os.h
@@ -8,14 +8,65 @@
 
 typedef int os_context_register_t;
 
-static inline os_context_t *arch_os_get_context(void **void_context) {
+static inline os_context_t *arch_os_get_context(void **void_context)
+{
     return (os_context_t *) *void_context;
 }
 
 void set_data_desc_size(data_desc_t* desc, unsigned long size);
 void set_data_desc_addr(data_desc_t* desc, void* addr);
 
+/* On OS X 10.5, the field names for the thread state have changed and
+ * now are prepended with __. Use some #define hackery to deal with
+ * this.
+ */
+#if __DARWIN_UNIX03
+
+#define CONTEXT_ADDR_FROM_STEM(stem) &context->uc_mcontext->__ss.__##stem
+#define EIP __eip
+#define ESP __esp
+#define EBP __ebp
+#define EAX __eax
+#define EBX __ebx
+#define ECX __ecx
+#define EDX __edx
+#define ESI __esi
+#define EDI __edi
+#define EFLAGS __eflags
+#define CS __cs
+#define DS __ds
+#define ES __es
+#define FS __fs
+#define SS __ss
+#define GS __gs
+
+#define FPU_FCW __fpu_fcw
+
+#else
+
 #define CONTEXT_ADDR_FROM_STEM(stem) &context->uc_mcontext->ss.stem
-#define DARWIN_FIX_CONTEXT(context)
+#define EIP eip
+#define ESP esp
+#define EBP ebp
+#define EAX eax
+#define EBX ebx
+#define ECX ecx
+#define EDX edx
+#define ESI esi
+#define EDI edi
+#define EFLAGS eflags
+#define CS cs
+#define DS ds
+#define ES es
+#define FS fs
+#define SS ss
+#define GS gs
+
+#define FPU_FCW fpu_fcw
+
+#endif /* __DARWIN_UNIX03 */
+
+#define RESTORE_FP_CONTROL_FROM_CONTEXT
+void os_restore_fp_control(os_context_t *context);
 
 #endif /* _X86_DARWIN_OS_H */