Implemented prologue/epilogue

[libfirm] / ir / be / beabi.h

diff --git a/ir/be/beabi.h b/ir/be/beabi.h
index 713b93c..fbc73e2 100644 (file)
--- a/ir/be/beabi.h
+++ b/ir/be/beabi.h
@@ -19,6 +19,8 @@ struct _be_abi_call_flags_bits_t {
        unsigned try_omit_fp           : 1;  /**< Try to omit the frame pointer. */
        unsigned fp_free               : 1;  /**< The function can use any register as frame pointer. */
        unsigned call_has_imm          : 1;  /**< A call can take the callee's address as an immediate. */
+       unsigned irg_is_leaf           : 1;  /**< 1
+       , if the IRG is a leaf function. */
 };
 
 union _be_abi_call_flags_t {
@@ -59,12 +61,13 @@ struct _be_abi_callbacks_t {
        /**
         * Generate the prologue.
         * @param self    The callback object.
+        * @param mem     A pointer to the mem node. Update this if you define new memory.
         * @param reg_map A mapping mapping all callee_save/ignore/parameter registers to their defining nodes.
         * @return        The register which shall be used as a stack frame base.
         *
      * All nodes which define registers in @p reg_map must keep @p reg_map current.
         */
-       const arch_register_t *(*prologue)(void *self, pmap *reg_map);
+       const arch_register_t *(*prologue)(void *self, ir_node **mem, pmap *reg_map);
 
        /**
         * Generate the epilogue.
@@ -115,4 +118,7 @@ void be_abi_free(be_abi_irg_t *abi);
 
 ir_node *be_abi_get_callee_save_irn(be_abi_irg_t *abi, const arch_register_t *reg);
 
+#define be_abi_reg_map_get(map, reg)      pmap_get((map), (void *) (reg))
+#define be_abi_reg_map_set(map, reg, irn)  pmap_insert((map), (void *) (reg), (irn))
+
 #endif