1.0.10.36: support for Darwin versions that support __DARWIN_UNIX03

[sbcl.git] / src / runtime / x86-darwin-os.h

diff --git a/src/runtime/x86-darwin-os.h b/src/runtime/x86-darwin-os.h
index aa2710c..79dea31 100644 (file)
--- a/src/runtime/x86-darwin-os.h
+++ b/src/runtime/x86-darwin-os.h
@@ -16,7 +16,55 @@ static inline os_context_t *arch_os_get_context(void **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);
 
-#define CONTEXT_ADDR_FROM_STEM(stem) &context->uc_mcontext->ss.stem
 #define DARWIN_FIX_CONTEXT(context)
 
+/* As of XCode 3.0, the field names for the thread state have changed
+ * and now are prepended with __. Use some #define hackery to deal
+ * with this. __DARWIN_UNIX03 seems to be a good test to see if we
+ * need the new style field names.
+ */
+#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
+
+#else
+
+#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
+
+#endif /* __DARWIN_UNIX03 */
+
+
+
 #endif /* _X86_DARWIN_OS_H */