Ticket #6032: ppc_asm_offsets.diff

src/system/kernel/arch/ppc/Jamfile

@@ -33 +33 @@
     :
     $(TARGET_KERNEL_PIC_CCFLAGS) -Wno-unused
 ;
+
+CreateAsmStructOffsetsHeader asm_offsets.h : asm_offsets.cpp ;

new file src/system/kernel/arch/ppc/asm_offsets.cpp

@@ +1 @@
+/*
+ * Copyright 2007-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copyright 2010 Andreas Faerber, andreas.faerber@web.de
+ * Distributed under the terms of the MIT License.
+ */
+
+// This file is used to get C structure offsets into assembly code.
+// The build system assembles the file and processes the output to create
+// a header file with macro definitions, that can be included from assembly
+// code.
+
+
+#include <computed_asm_macros.h>
+
+#include <cpu.h>
+
+
+#define DEFINE_MACRO(macro, value) DEFINE_COMPUTED_ASM_MACRO(macro, value)
+
+#define DEFINE_OFFSET_MACRO(prefix, structure, member) \
+    DEFINE_MACRO(prefix##_##member, offsetof(struct structure, member));
+
+#define DEFINE_SIZEOF_MACRO(prefix, structure) \
+    DEFINE_MACRO(prefix##_sizeof, sizeof(struct structure));
+
+
+void
+dummy()
+{
+    // struct cpu_ent
+    DEFINE_OFFSET_MACRO(CPU_ENT, cpu_ent, fault_handler);
+    DEFINE_OFFSET_MACRO(CPU_ENT, cpu_ent, fault_handler_stack_pointer);
+}