#ifndef _BEABI_H
#define _BEABI_H
-#include "pset.h"
#include "firm_types.h"
+#include "pset.h"
+#include "pmap.h"
+#include "bitset.h"
+
#include "be.h"
#include "bearch.h"
#include "beabi_t.h"
struct _be_abi_call_flags_bits_t {
- unsigned left_to_right : 1; /**< Arguments are from left to right. */
- unsigned store_args_sequential : 1; /**< Use sequential stores for arguments. */
- 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. */
+ unsigned left_to_right : 1; /**< Arguments are from left to right. */
+ unsigned store_args_sequential : 1; /**< Use sequential stores for arguments. */
+ 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. */
+ unsigned frame_is_setup_on_call : 1; /**< Set to one, if there is already enough room on the stack for call args. */
};
union _be_abi_call_flags_t {
/**
* Initialize the callback object.
* @param call The call object.
- * @param isa The current ISA.
+ * @param aenv The architecture environment.
* @param irg The graph with the method.
* @return Some pointer. This pointer is passed to all other callback functions as self object.
*/
- void *(*init)(const be_abi_call_t *call, const arch_isa_t *isa, ir_graph *irg);
+ void *(*init)(const be_abi_call_t *call, const arch_env_t *aenv, ir_graph *irg);
/**
* Destroy the callback object.
* @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.
+ * All nodes which define registers in @p reg_map must keep @p reg_map current.
*/
const arch_register_t *(*prologue)(void *self, ir_node **mem, pmap *reg_map);
/**
* Set the flags for a call.
- * @param call The call.
- * @param flags Some flags to be set.
- * @param cb The call callbacks for that call.
- * @note The ABI phase might change the flags due to analysis.
+ * @param call The call.
+ * @param flags Some flags to be set.
+ * @param cb The call callbacks for that call.
+ * @note The ABI phase might change the flags due to analysis.
*/
void be_abi_call_set_flags(be_abi_call_t *call, be_abi_call_flags_t flags, const be_abi_callbacks_t *cb);
+/**
+ * Set register class for call address.
+ * @param call The call.
+ * @param cls The register class for call address.
+ */
+void be_abi_call_set_call_address_reg_class(be_abi_call_t *call, const arch_register_class_t *cls);
-void be_abi_call_param_stack(be_abi_call_t *call, int pos);
+void be_abi_call_param_stack(be_abi_call_t *call, int pos, unsigned alignment, unsigned space_before, unsigned space_after);
void be_abi_call_param_reg(be_abi_call_t *call, int pos, const arch_register_t *reg);
void be_abi_call_res_reg(be_abi_call_t *call, int pos, const arch_register_t *reg);
/**
* Get the flags of a ABI call object.
- * Note that the flags must not be the same as set by be_abi_call_set_flags(). Alayses may have
+ * Note that the flags must not be the same as set by be_abi_call_set_flags(). Analysis may have
* altered several flags, so getting them from the call object is always a good idea.
* @param call The call object.
* @return The flags.
be_abi_irg_t *be_abi_introduce(be_irg_t *bi);
void be_abi_fix_stack_bias(be_abi_irg_t *env);
-void be_abi_fix_stack_nodes(be_abi_irg_t *env);
+void be_abi_fix_stack_nodes(be_abi_irg_t *env, be_lv_t *lv);
void be_abi_free(be_abi_irg_t *abi);
+/**
+ * Put the registers which are forbidden specifically for this IRG in a bitset.
+ */
+void be_abi_put_ignore_regs(be_abi_irg_t *abi, const arch_register_class_t *cls, bitset_t *bs);
+
ir_node *be_abi_get_callee_save_irn(be_abi_irg_t *abi, const arch_register_t *reg);
+ir_node *be_abi_get_ignore_irn(be_abi_irg_t *abi, const arch_register_t *reg);
+ir_node *be_abi_get_start_barrier(be_abi_irg_t *abi);
#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
+#define N_FRAME_TYPES 3
+
+/**
+ * This type describes the stack layout.
+ * The stack is divided into 3 parts:
+ * - arg_type: A struct type describing the stack arguments and it's order.
+ * - between_type: A struct type describing the stack layout between arguments
+ * and frame type
+ * - frame_type: A class type describing the frame layout
+ */
+struct _be_stack_layout_t {
+ ir_type *arg_type; /**< A type describing the stack argument layout. */
+ ir_type *between_type; /**< A type describing the "between" layout. */
+ ir_type *frame_type; /**< The frame type. */
+
+ ir_type *order[N_FRAME_TYPES]; /**< arg, between and frame types ordered. */
+
+ int initial_offset;
+ int stack_dir; /**< -1 for decreasing, 1 for increasing. */
+ entity **param_map; /**< An array mapping type parameters to arg_type entries */
+};
+
+/**
+ * Returns the stack layout from a abi environment.
+ */
+const be_stack_layout_t *be_abi_get_stack_layout(const be_abi_irg_t *abi);
+
+/**
+ * Returns non-zero if the ABI has omitted the frame pointer in
+ * the current graph.
+ */
+int be_abi_omit_fp(const be_abi_irg_t *abi);
+
+#endif /* _BEABI_H */
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