isa_decode_gen.cxx File Reference

#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <alloca.h>
#include <list>
#include "topcode.h"
#include "gen_util.h"
#include "isa_decode_gen.h"

Include dependency graph for isa_decode_gen.cxx:

Go to the source code of this file.

Classes
struct	state
Defines
#define	FNAME   "targ_isa_decode"
Enumerations
enum	STATE_TYPE { INST_STATE, UNIT_STATE }
enum	VISIT_KIND { VISIT_UNVISITED, VISIT_GEN_DATA, VISIT_GEN_CODE }
Functions
void	ISA_Decode_Begin (const char *)
STATE	Create_Unit_State (const char *tag, int pos, int width)
STATE	Create_Inst_State (const char *tag, int idx, int pos, int width)
void	Transitions (STATE state,...)
void	Initial_State (STATE state)
STATE	Final (TOP topcode)
static int	Compare_NonFinals (const void *p1, const void *p2)
static void	Visit_State (STATE state, FILE *f, VISIT_KIND vk)
void	ISA_Decode_End (void)
Variables
static STATE	initial_state
static list< STATE >	all_states
static const char *const	interface []

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Define Documentation

#define FNAME   "targ_isa_decode"

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Enumeration Type Documentation

enum STATE_TYPE

Enumerator:

INST_STATE
UNIT_STATE

Definition at line 60 of file isa_decode_gen.cxx.

enum VISIT_KIND

Enumerator:

VISIT_UNVISITED
VISIT_GEN_DATA
VISIT_GEN_CODE

Definition at line 62 of file isa_decode_gen.cxx.

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Function Documentation

static int Compare_NonFinals	(	const void *	p1,
		const void *	p2
	)		[static]

Definition at line 229 of file isa_decode_gen.cxx.

References state::i, and state::u.

Referenced by Visit_State().

STATE Create_Inst_State	(	const char *	tag,
		int	idx,
		int	pos,
		int	width
	)

Definition at line 148 of file isa_decode_gen.cxx.

References all_states, state::i, idx, INST_STATE, state::is_final, NULL, state::pos, state::tag, state::u, state::visit, VISIT_UNVISITED, and state::width.

Referenced by main().

STATE Create_Unit_State	(	const char *	tag,
		int	pos,
		int	width
	)

Definition at line 127 of file isa_decode_gen.cxx.

References all_states, state::i, state::is_final, NULL, state::pos, state::tag, state::u, UNIT_STATE, state::visit, VISIT_UNVISITED, and state::width.

Referenced by main().

STATE Final

(

TOP

topcode

)

Definition at line 216 of file isa_decode_gen.cxx.

References all_states, state::final, state::is_final, and state::u.

Referenced by main().

void Initial_State

(

STATE

state

)

Definition at line 207 of file isa_decode_gen.cxx.

References initial_state.

Referenced by main().

void ISA_Decode_Begin

(

const char *

)

Definition at line 119 of file isa_decode_gen.cxx.

Referenced by main().

void ISA_Decode_End

(

void

)

Definition at line 354 of file isa_decode_gen.cxx.

References all_states, buf, cfile, efile, Emit_Footer(), Emit_Header(), exit(), state::final, fprintf(), hfile, state::i, initial_state, interface, state::is_final, NULL, state::u, state::visit, VISIT_GEN_CODE, VISIT_GEN_DATA, Visit_State(), and VISIT_UNVISITED.

Referenced by main().

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void Transitions	(	STATE	state,
			...
	)

Definition at line 169 of file isa_decode_gen.cxx.

References END_TRANSITIONS, exit(), fprintf(), state::i, state::is_final, state::transition, and state::u.

Referenced by main().

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static void Visit_State	(	STATE	state,
		FILE *	f,
		VISIT_KIND	vk
	)		[static]

Definition at line 241 of file isa_decode_gen.cxx.

References Compare_NonFinals(), state::final, fprintf(), state::i, indent, INST_STATE, state::is_final, NULL, state::u, state::visit, VISIT_GEN_CODE, and VISIT_GEN_DATA.

Referenced by ISA_Decode_End().

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Variable Documentation

list<STATE> all_states [static]

Definition at line 96 of file isa_decode_gen.cxx.

Referenced by Create_Inst_State(), Create_Unit_State(), Final(), and ISA_Decode_End().

STATE initial_state [static]

Definition at line 95 of file isa_decode_gen.cxx.

Referenced by Initial_State(), and ISA_Decode_End().

const char* const interface[] [static]

Initial value:

 {
  "/* ====================================================================",
  " * ====================================================================",
  " *",
  " * Description:",
  " *",
  " *   Utilities for decoding binary instructions. The following",
  " *   are exported:",
  " *",
  " *   TOP ISA_Decode_Inst(const ISA_PACK_INST *pinst, ISA_EXEC_UNIT unit)",
  " *       Decode the instruction pointed to by <pinst> in execution unit",
  " *       <unit> and return its opcode by function return value.",
  " *",
  " * ====================================================================",
  " * ====================================================================",
  " */",
  NULL
}

Definition at line 98 of file isa_decode_gen.cxx.

Referenced by ISA_Decode_End().