X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeabi.h;h=4b41029cfb57c7427e03c81071b42f9f72acc8f2;hb=5a5b0a8806277f92f5950cfedd8a231f4d00a306;hp=b911ed027dec211d96583eaac623635358b655bb;hpb=1fb886468ef8eae20b199431fb6092203ad1aa8d;p=libfirm diff --git a/ir/be/beabi.h b/ir/be/beabi.h index b911ed027..4b41029cf 100644 --- a/ir/be/beabi.h +++ b/ir/be/beabi.h @@ -35,7 +35,7 @@ #include "be.h" #include "beirg.h" #include "bearch.h" -#include "beabi_t.h" +#include "beabi.h" struct _be_abi_call_flags_bits_t { unsigned left_to_right : 1; /**< Arguments are from left to right. */ @@ -56,11 +56,10 @@ struct _be_abi_callbacks_t { /** * Initialize the callback object. * @param call The call object. - * @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_env_t *aenv, ir_graph *irg); + void *(*init)(const be_abi_call_t *call, ir_graph *irg); /** * Destroy the callback object. @@ -120,6 +119,16 @@ void be_abi_call_set_pop(be_abi_call_t *call, int pop); */ void be_abi_call_set_call_address_reg_class(be_abi_call_t *call, const arch_register_class_t *cls); +/** + * The ABI can change when we call a function vs. when we have + * been called. + */ +typedef enum { + ABI_CONTEXT_CALLEE = 1 << 0, + ABI_CONTEXT_CALLER = 1 << 1, + ABI_CONTEXT_BOTH = ABI_CONTEXT_CALLEE | ABI_CONTEXT_CALLER +} be_abi_context_t; + /** * Record the that ABI transmits call argument pos on the stack. Modifies the abi object. * @@ -130,7 +139,9 @@ void be_abi_call_set_call_address_reg_class(be_abi_call_t *call, const arch_regi * @param space_before size of allocated additional space before the parameter * @param space_after size of allocated additional space after the parameter */ -void be_abi_call_param_stack(be_abi_call_t *call, int pos, ir_mode *load_mode, unsigned alignment, unsigned space_before, unsigned space_after); +void be_abi_call_param_stack(be_abi_call_t *call, int pos, ir_mode *load_mode, + unsigned alignment, unsigned space_before, + unsigned space_after, be_abi_context_t context); /** * Record the that ABI transmits call argument pos in the given register. @@ -139,7 +150,9 @@ void be_abi_call_param_stack(be_abi_call_t *call, int pos, ir_mode *load_mode, u * @param pos the parameter position * @param reg the register used */ -void be_abi_call_param_reg(be_abi_call_t *call, int pos, const arch_register_t *reg); +void be_abi_call_param_reg(be_abi_call_t *call, int pos, + const arch_register_t *reg, + be_abi_context_t context); /** * Record the that ABI transmits return value pos in the given register. @@ -148,7 +161,9 @@ void be_abi_call_param_reg(be_abi_call_t *call, int pos, const arch_register_t * * @param pos the return value position * @param reg the register used */ -void be_abi_call_res_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, + be_abi_context_t context); /** * Get the flags of a ABI call object. @@ -166,20 +181,23 @@ be_abi_call_flags_t be_abi_call_get_flags(const be_abi_call_t *call); */ ir_type *be_abi_call_get_method_type(const be_abi_call_t *call); -be_abi_irg_t *be_abi_introduce(be_irg_t *bi); +be_abi_irg_t *be_abi_introduce(ir_graph *irg); /** * Fix the stack bias for all nodes accessing the stack frame using the * stack pointer. */ -void be_abi_fix_stack_bias(be_abi_irg_t *env); -void be_abi_free(be_abi_irg_t *abi); +void be_abi_fix_stack_bias(ir_graph *irg); +void be_abi_free(ir_graph *irg); + +int be_get_stack_entity_offset(be_stack_layout_t *frame, ir_entity *ent, + int bias); /** * Rewire all stack modifying nodes and their users to assure SSA property. * @param env The abi */ -void be_abi_fix_stack_nodes(be_abi_irg_t *env); +void be_abi_fix_stack_nodes(ir_graph *irg); /** * Put the registers which are forbidden specifically for this IRG in a bitset. @@ -194,40 +212,4 @@ ir_node *be_abi_get_ignore_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)) -/** The number of parts of the stack layout. */ -#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. In architectures that put the return address - * automatically on the stack, the return address is put here. - * - 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. */ - - ir_entity **param_map; /**< An array mapping type parameters to arg_type entries */ - int initial_offset; /**< the initial difference between stack pointer and frame pointer */ - int initial_bias; /**< the initial stack bias */ - int stack_dir; /**< -1 for decreasing, 1 for increasing. */ -}; - -/** - * 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 /* FIRM_BE_BEABI_H */ +#endif