targ_sim.cxx File Reference

#include <limits.h>
#include "defs.h"
#include "mtypes.h"
#include "errors.h"
#include "erglob.h"
#include "stab.h"
#include "config_targ.h"
#include "targ_sim.h"
#include "targ_sim_body.h"

Include dependency graph for targ_sim.cxx:

Go to the source code of this file.

Classes
struct	PSTRUCT
Defines
#define	TRACE_ENTRY(x)
#define	TRACE_EXIT(x)
#define	TRACE_EXIT_i(x, i)
#define	I0   (Int_Preg_Min_Offset - 1)
#define	F0   Float_Preg_Min_Offset
#define	PSTRUCT_struct   pstruct.is_struct
#define	PSTRUCT_first_call   pstruct.first_call
#define	PSTRUCT_hfa   pstruct.is_hfa
#define	PSTRUCT_hfa_mtype   pstruct.hfa_mtype
#define	PSTRUCT_offset   pstruct.offset
#define	PSTRUCT_size   pstruct.size
Functions
static BOOL	Struct_Is_HFA (const TY_IDX, Mtype_Return_Level, TYPE_ID &)
BOOL	Is_Return_Preg (PREG_NUM preg)
BOOL	Is_Int_Output_Preg (PREG_NUM preg)
BOOL	Is_Formal_Preg (PREG_NUM preg)
static BOOL	Array_Is_HFA (const TY_IDX ty, Mtype_Return_Level level, TYPE_ID &hfa_mtype)
static BOOL	Struct_Has_One_Float (const TY_IDX ty, TYPE_ID &ftype)
static BOOL	no_overlap (const FLD_HANDLE fld1, const FLD_HANDLE fld2)
static BOOL	Struct_Has_Two_Floats (const TY_IDX ty, TYPE_ID &ftype1, TYPE_ID &ftype2)
static BOOL	Is_Simulated_Type (TYPE_ID mtype)
void	Get_Return_Mtypes (TY_IDX rtype, Mtype_Return_Level level, TYPE_ID *mreg1, TYPE_ID *mreg2)
void	Get_Return_Pregs (TYPE_ID mreg1, TYPE_ID mreg2, PREG_NUM *rreg1, PREG_NUM *rreg2)
RETURN_INFO	Get_Return_Info (TY_IDX rtype, Mtype_Return_Level level)
static PLOC	Setup_Parameter_Locations (TY_IDX pu_type)
static PREG_NUM	Get_Current_Float_Preg_Num (Preg_Range pr)
static PLOC	Get_Parameter_Location (TY_IDX ty, BOOL is_output)
static void	Setup_Struct_Parameter_Locations (TY_IDX struct_ty)
static PLOC	Get_Struct_Parameter_Location (PLOC prev)
static PLOC	Get_Vararg_Parameter_Location (PLOC prev)
void	Init_Targ_Sim (void)
Variables
static mDED_PREG_NUM	Input_Base_Preg = 32
static mDED_PREG_NUM	Output_Base_Preg = 127
SIM	SIM_Info []
static INT	Current_Float_Param_Num = -1
static BOOL	First_Param_In_Return_Reg = FALSE
static PSTRUCT	pstruct
BOOL	Is_Caller_Save_GP
INT	Formal_Save_Area_Size = 64
INT	Stack_Offset_Adjustment = 16

---

Define Documentation

#define F0   Float_Preg_Min_Offset

Definition at line 65 of file targ_sim.cxx.

#define I0   (Int_Preg_Min_Offset - 1)

Definition at line 64 of file targ_sim.cxx.

#define PSTRUCT_first_call   pstruct.first_call

Definition at line 837 of file targ_sim.cxx.

Referenced by Get_Struct_Parameter_Location(), and Setup_Struct_Parameter_Locations().

#define PSTRUCT_hfa   pstruct.is_hfa

Definition at line 838 of file targ_sim.cxx.

Referenced by Get_Struct_Parameter_Location(), and Setup_Struct_Parameter_Locations().

#define PSTRUCT_hfa_mtype   pstruct.hfa_mtype

Definition at line 839 of file targ_sim.cxx.

Referenced by Get_Struct_Parameter_Location(), and Setup_Struct_Parameter_Locations().

#define PSTRUCT_offset   pstruct.offset

Definition at line 840 of file targ_sim.cxx.

Referenced by Get_Struct_Parameter_Location(), and Setup_Struct_Parameter_Locations().

#define PSTRUCT_size   pstruct.size

Definition at line 841 of file targ_sim.cxx.

Referenced by Get_Struct_Parameter_Location(), and Setup_Struct_Parameter_Locations().

#define PSTRUCT_struct   pstruct.is_struct

Definition at line 836 of file targ_sim.cxx.

Referenced by Get_Struct_Parameter_Location(), and Setup_Struct_Parameter_Locations().

#define TRACE_ENTRY

(

x

)

Definition at line 45 of file targ_sim.cxx.

Referenced by Get_Current_Float_Preg_Num().

#define TRACE_EXIT

(

x

)

Definition at line 46 of file targ_sim.cxx.

#define TRACE_EXIT_i	(		x,
			i
	)

Definition at line 47 of file targ_sim.cxx.

Referenced by Get_Current_Float_Preg_Num().

---

Function Documentation

static BOOL Array_Is_HFA	(	const TY_IDX	ty,
		Mtype_Return_Level	level,
		TYPE_ID &	hfa_mtype
	)		[static]

Definition at line 138 of file targ_sim.cxx.

References FALSE, KIND_ARRAY, KIND_SCALAR, KIND_STRUCT, MTYPE_C10, MTYPE_C16, MTYPE_C4, MTYPE_C8, MTYPE_CQ, MTYPE_F10, MTYPE_F16, MTYPE_F4, MTYPE_F8, MTYPE_FQ, MTYPE_V, Struct_Is_HFA(), TRUE, TY_etype(), TY_kind(), and TY_mtype().

Referenced by Struct_Is_HFA().

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static PREG_NUM Get_Current_Float_Preg_Num

(

Preg_Range

pr

)

[inline, static]

Definition at line 642 of file targ_sim.cxx.

References Current_Float_Param_Num, Current_Param_Num, PR_first_reg, PR_last_reg, PR_skip_value, TRACE_ENTRY, and TRACE_EXIT_i.

Referenced by Get_Parameter_Location().

static PLOC Get_Parameter_Location	(	TY_IDX	ty,
		BOOL	is_output
	)		[static]

Definition at line 660 of file targ_sim.cxx.

References Current_Float_Param_Num, Current_Param_Num, FALSE, First_Param_In_Return_Reg, Fix_TY_mtype(), FmtAssert, Get_Current_Float_Preg_Num(), Get_Current_Preg_Num(), Get_Return_Info(), Input_Base_Preg, IS_INT_PREG, KIND_VOID, Last_Fixed_Param, Last_Param_Offset, MTYPE_A4, MTYPE_A8, MTYPE_C4, MTYPE_C8, MTYPE_CQ, MTYPE_F4, MTYPE_F8, MTYPE_float, MTYPE_FQ, MTYPE_I1, MTYPE_I2, MTYPE_I4, MTYPE_I8, MTYPE_M, MTYPE_name, MTYPE_RegisterSize, MTYPE_size_reg, MTYPE_U1, MTYPE_U2, MTYPE_U4, MTYPE_U8, No_Simulated, Output_Base_Preg, PLOC_reg, PR_first_reg, psize, PLOC::reg, RETURN_INFO_count(), RETURN_INFO_mtype(), SIM_INFO, SIM_varargs_floats, PLOC::size, PLOC::start_offset, Target_Byte_Sex, TY_align_exp(), TY_kind(), TY_size(), and PLOC::vararg_reg.

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RETURN_INFO Get_Return_Info	(	TY_IDX	rtype,
		Mtype_Return_Level	level
	)

Definition at line 389 of file targ_sim.cxx.

References Be_Type_Tbl, RETURN_INFO::count, Fail_FmtAssertion(), FALSE, MAX_NUMBER_OF_REGISTERS_FOR_RETURN, RETURN_INFO::mtype, MTYPE_A4, MTYPE_A8, MTYPE_C10, MTYPE_C4, MTYPE_C8, Mtype_complex_to_real(), MTYPE_CQ, MTYPE_F10, MTYPE_F4, MTYPE_F8, MTYPE_FQ, MTYPE_I1, MTYPE_I2, MTYPE_I4, MTYPE_I8, MTYPE_M, MTYPE_name, MTYPE_RegisterSize, MTYPE_U1, MTYPE_U2, MTYPE_U4, MTYPE_U8, MTYPE_UNKNOWN, MTYPE_V, No_Simulated, PR_first_reg, PR_skip_value, RETURN_INFO::preg, RETURN_INFO::return_via_first_arg, SIM_INFO, size, Struct_Is_HFA(), TRUE, TY_mtype(), TY_size(), Ty_Table, and Use_Simulated.

Referenced by cwh_stmt_call_helper(), cwh_stmt_return_altentry(), cwh_stmt_return_scalar(), Find_Return_Registers(), Get_Parameter_Location(), WN_Verifier::Is_return_register_of_call(), PUinfo_Get_ReturnPreg(), and Setup_Parameter_Locations().

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void Get_Return_Mtypes	(	TY_IDX	rtype,
		Mtype_Return_Level	level,
		TYPE_ID *	mreg1,
		TYPE_ID *	mreg2
	)

Definition at line 361 of file targ_sim.cxx.

References Fail_FmtAssertion().

Referenced by cwh_stmt_call_helper(), cwh_stmt_return_altentry(), cwh_stmt_return_scalar(), Find_Return_Registers(), WN_Verifier::Is_return_register_of_call(), and PUinfo_Get_ReturnPreg().

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void Get_Return_Pregs	(	TYPE_ID	mreg1,
		TYPE_ID	mreg2,
		PREG_NUM *	rreg1,
		PREG_NUM *	rreg2
	)

Definition at line 378 of file targ_sim.cxx.

References Fail_FmtAssertion().

Referenced by cwh_stmt_return_altentry(), cwh_stmt_return_scalar(), Find_Return_Registers(), WN_Verifier::Is_return_register_of_call(), and PUinfo_Get_ReturnPreg().

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static PLOC Get_Struct_Parameter_Location

(

PLOC

prev

)

[static]

Definition at line 854 of file targ_sim.cxx.

References Be_Type_Tbl, Current_Param_Num, FALSE, Get_Current_Preg_Num(), IS_FLT_PREG, Is_Int_Output_Preg(), IS_INT_PREG, Last_Fixed_Param, MTYPE_C4, MTYPE_F4, MTYPE_F8, MTYPE_RegisterSize, next, PLOC_offset, PLOC_reg, PLOC_size, PR_last_reg, PR_skip_value, PSTRUCT_first_call, PSTRUCT_hfa, PSTRUCT_hfa_mtype, PSTRUCT_offset, PSTRUCT_size, PSTRUCT_struct, PLOC::reg, SIM_INFO, SIM_varargs_floats, and TY_size().

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static PLOC Get_Vararg_Parameter_Location

(

PLOC

prev

)

[static]

Definition at line 936 of file targ_sim.cxx.

References Current_Param_Num, Get_Current_Preg_Num(), Last_Param_Offset, MTYPE_RegisterSize, next, PR_last_reg, PLOC::reg, SIM_INFO, PLOC::size, and PLOC::start_offset.

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void Init_Targ_Sim

(

void

)

Definition at line 963 of file targ_sim.cxx.

References Is_Caller_Save_GP, and SIM_caller_save_gp.

Referenced by Configure_Target().

BOOL Is_Formal_Preg

(

PREG_NUM

preg

)

Definition at line 127 of file targ_sim.cxx.

References First_Float_Preg_Param_Offset, First_Int_Preg_Param_Offset, and MAX_NUMBER_OF_REGISTER_PARAMETERS.

Referenced by Allocate_All_Formals().

BOOL Is_Int_Output_Preg

(

PREG_NUM

preg

)

Definition at line 119 of file targ_sim.cxx.

References MAX_NUMBER_OF_REGISTER_PARAMETERS, and Output_Base_Preg.

Referenced by Get_Struct_Parameter_Location().

BOOL Is_Return_Preg

(

PREG_NUM

preg

)

Definition at line 109 of file targ_sim.cxx.

References First_Float_Preg_Return_Offset, First_Int_Preg_Return_Offset, Last_Float_Preg_Return_Offset, and Last_Int_Preg_Return_Offset.

static BOOL Is_Simulated_Type

(

TYPE_ID

mtype

)

[static]

Definition at line 341 of file targ_sim.cxx.

References FALSE, MTYPE_C4, MTYPE_C8, MTYPE_CQ, MTYPE_FQ, and TRUE.

static BOOL no_overlap	(	const FLD_HANDLE	fld1,
		const FLD_HANDLE	fld2
	)		[static]

Definition at line 302 of file targ_sim.cxx.

References FLD_ofst(), FLD_type(), and TY_size().

Referenced by Struct_Has_Two_Floats().

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static PLOC Setup_Parameter_Locations

(

TY_IDX

pu_type

)

[static]

Definition at line 609 of file targ_sim.cxx.

References Current_Float_Param_Num, Current_Param_Num, First_Param_In_Return_Reg, Get_Return_Info(), idx, KIND_FUNCTION, Last_Fixed_Param, Last_Param_Offset, No_Simulated, RETURN_INFO_return_via_first_arg(), SIM_return_addr_via_int_return_reg, TY_has_prototype(), TY_is_varargs(), TY_kind(), TY_ret_type(), TY_return_to_param(), TY_tylist(), and Tylist_Table.

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static void Setup_Struct_Parameter_Locations

(

TY_IDX

struct_ty

)

[static]

Definition at line 844 of file targ_sim.cxx.

References No_Simulated, PSTRUCT_first_call, PSTRUCT_hfa, PSTRUCT_hfa_mtype, PSTRUCT_offset, PSTRUCT_size, PSTRUCT_struct, Struct_Is_HFA(), TRUE, TY_is_union(), and TY_size().

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static BOOL Struct_Has_One_Float	(	const TY_IDX	ty,
		TYPE_ID &	ftype
	)		[static]

Definition at line 279 of file targ_sim.cxx.

References FALSE, FLD_last_field(), FLD_type(), KIND_SCALAR, MTYPE_float, MTYPE_V, TRUE, TY_fld(), TY_is_union(), TY_kind(), and TY_mtype().

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static BOOL Struct_Has_Two_Floats	(	const TY_IDX	ty,
		TYPE_ID &	ftype1,
		TYPE_ID &	ftype2
	)		[static]

Definition at line 311 of file targ_sim.cxx.

References FALSE, FLD_last_field(), FLD_next(), FLD_type(), KIND_SCALAR, MTYPE_float, MTYPE_V, no_overlap(), TRUE, TY_fld(), TY_is_union(), TY_kind(), and TY_mtype().

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static BOOL Struct_Is_HFA	(	const TY_IDX	ty,
		Mtype_Return_Level	level,
		TYPE_ID &	hfa_mtype
	)		[static]

Definition at line 199 of file targ_sim.cxx.

References Array_Is_HFA(), FALSE, FLD_next(), FLD_ofst(), FLD_type(), FLD_HANDLE::Is_Null(), KIND_ARRAY, KIND_SCALAR, KIND_STRUCT, MTYPE_C10, MTYPE_C16, MTYPE_C4, MTYPE_C8, MTYPE_CQ, MTYPE_F10, MTYPE_F16, MTYPE_F4, MTYPE_F8, MTYPE_FQ, MTYPE_V, TRUE, TY_fld(), TY_is_union(), TY_kind(), TY_mtype(), and TY_size().

Referenced by Array_Is_HFA(), Get_Return_Info(), and Setup_Struct_Parameter_Locations().

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---

Variable Documentation

INT Current_Float_Param_Num = -1 [static]

Definition at line 605 of file targ_sim.cxx.

Referenced by Get_Current_Float_Preg_Num(), Get_Parameter_Location(), and Setup_Parameter_Locations().

BOOL First_Param_In_Return_Reg = FALSE [static]

Definition at line 606 of file targ_sim.cxx.

Referenced by Get_Parameter_Location(), and Setup_Parameter_Locations().

INT Formal_Save_Area_Size = 64

Definition at line 959 of file targ_sim.cxx.

Referenced by Add_Object_To_Frame_Segment(), Calc_Actual_Area(), Calc_Formal_Area(), and Get_Altentry_UpFormal_Symbol().

mDED_PREG_NUM Input_Base_Preg = 32 [static]

Definition at line 61 of file targ_sim.cxx.

Referenced by Get_Parameter_Location().

BOOL Is_Caller_Save_GP

Definition at line 957 of file targ_sim.cxx.

Referenced by Init_Targ_Sim().

mDED_PREG_NUM Output_Base_Preg = 127 [static]

Definition at line 62 of file targ_sim.cxx.

Referenced by Get_Parameter_Location(), and Is_Int_Output_Preg().

PSTRUCT pstruct [static]

Definition at line 834 of file targ_sim.cxx.

SIM SIM_Info[]

Definition at line 68 of file targ_sim.cxx.

INT Stack_Offset_Adjustment = 16

Definition at line 960 of file targ_sim.cxx.

Referenced by Allocate_Space(), Finalize_Stack_Frame(), Merge_Fixed_Stack_Frame(), and Stack_Offset_Adjustment_For_PU().