2009-08-25 Zoltan Varga <vargaz@gmail.com>

[mono.git] / mono / mini / unwind.h

diff --git a/mono/mini/unwind.h b/mono/mini/unwind.h
index db4ef0dc8295e3fff76859685d5a36f782f70cdc..0881eb3ed6ebc8bf1310dedbf3c409c7c381c632 100644 (file)
--- a/mono/mini/unwind.h
+++ b/mono/mini/unwind.h
@@ -57,7 +57,7 @@
 /* Represents one unwind instruction */
 typedef struct {
        guint8 op; /* One of DW_CFA_... */
-       guint8 reg; /* register number in the hardware encoding */
+       guint16 reg; /* register number in the hardware encoding */
        gint32 val; /* arbitrary value */
        guint32 when; /* The offset _after_ the cpu instruction this unwind op belongs to */
 } MonoUnwindOp;
@@ -79,4 +79,38 @@ typedef struct {
 /* Reg is saved at cfa+offset */
 #define mono_emit_unwind_op_offset(cfg,ip,reg,offset) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_offset, (reg), (offset))
 
+/* Similar macros usable when a cfg is not available, like for trampolines */
+#define mono_add_unwind_op_def_cfa(op_list,code,buf,reg,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa, (reg), (offset))); } while (0)
+#define mono_add_unwind_op_def_cfa_reg(op_list,code,buf,reg) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa_register, (reg), (0))); } while (0)
+#define mono_add_unwind_op_def_cfa_offset(op_list,code,buf,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa_offset, 0, (offset))); } while (0)
+#define mono_add_unwind_op_same_value(op_list,code,buf,reg) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_same_value, (reg), 0)); } while (0)
+#define mono_add_unwind_op_offset(op_list,code,buf,reg,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_offset, (reg), (offset))); } while (0)
+
+int
+mono_hw_reg_to_dwarf_reg (int reg) MONO_INTERNAL;
+
+int
+mono_unwind_get_dwarf_data_align (void) MONO_INTERNAL;
+
+int
+mono_unwind_get_dwarf_pc_reg (void) MONO_INTERNAL;
+
+guint8*
+mono_unwind_ops_encode (GSList *unwind_ops, guint32 *out_len) MONO_INTERNAL;
+
+void
+mono_unwind_frame (guint8 *unwind_info, guint32 unwind_info_len, 
+                                  guint8 *start_ip, guint8 *end_ip, guint8 *ip, mgreg_t *regs, 
+                                  int nregs, guint8 **out_cfa) MONO_INTERNAL;
+
+void mono_unwind_init (void) MONO_INTERNAL;
+
+void mono_unwind_cleanup (void) MONO_INTERNAL;
+
+guint32 mono_cache_unwind_info (guint8 *unwind_info, guint32 unwind_info_len) MONO_INTERNAL;
+
+guint8* mono_get_cached_unwind_info (guint32 index, guint32 *unwind_info_len) MONO_INTERNAL;
+
+guint8* mono_unwind_get_ops_from_fde (guint8 *fde, guint32 *out_len, guint32 *code_len) MONO_INTERNAL;
+
 #endif