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instructions.h
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instructions.h
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/*
* Copyright (C) 2002-2010, Parrot Foundation.
*/
#ifndef PARROT_IMCC_INSTRUCTIONS_H_GUARD
#define PARROT_IMCC_INSTRUCTIONS_H_GUARD
/* Types */
enum INSTYPE { /*instruction type can be */
ITBRANCH = 0x10000, /* branch */
ITPCCRET = 0x20000, /* PCC sub return */
ITCALL = 0x40000, /* function call */
ITLABEL = 0x80000, /* label */
ITALIAS = 0x100000, /* set P,P */
ITADDR = 0x200000, /* set_addr P, addr*/
ITRESULT = 0x400000, /* .get_results */
ITSAVES = 0x800000, /* saveall/restoreall in a bsr */
ITPCCSUB = 0x1000000, /* PCC sub call */
ITPCCYIELD = 0x2000000 /* yield from PCC call instead of return */
};
typedef struct _Instruction {
char *opname; /* opstring w/o params */
char *format; /* printf style format string for params */
int keys; /* bitmask of keys used in this instruction */
unsigned int flags; /* how the instruction affects each of the values */
unsigned int type; /* 16 bit register branches, + ITxxx */
unsigned int index; /* index on instructions[] */
unsigned int bbindex; /* number of basic block containing instruction */
struct _Instruction *prev;
struct _Instruction *next;
op_info_t *op; /* parrot opcode */
int opsize; /* parrot op size */
int line; /* source code line number */
int symreg_count; /* count of regs in **symregs */
SymReg *symregs[1]; /* instruction is allocated variable sized
to hold more SymRegs */
} Instruction;
/* XXX fix flags [bitmap]
* int flags_r
* int flags_w
* int flags_jump
*/
#define INSTRUCTION_BIT(n) ((UINTVAL)1 << (n))
typedef enum {
/* Indicate how the instruction affects each of the registers */
IF_r0_read = INSTRUCTION_BIT(0),
IF_r1_read = INSTRUCTION_BIT(1),
IF_r2_read = INSTRUCTION_BIT(2),
IF_r3_read = INSTRUCTION_BIT(3),
/* .... */
IF_r0_write = INSTRUCTION_BIT(16),
IF_r1_write = INSTRUCTION_BIT(17),
IF_r2_write = INSTRUCTION_BIT(18),
IF_r3_write = INSTRUCTION_BIT(19),
/* .... */
IF_binary = (IF_r0_write|IF_r1_read|IF_r2_read), /* templ for binary op */
IF_unary = (IF_r0_write|IF_r1_read), /* templ for unary op */
IF_inplace = (IF_r0_write|IF_r0_read), /* templ for inplace unary op */
/* the branch flags are the low 16 bits of type
* for upper 16 see ITXX above */
IF_r0_branch = INSTRUCTION_BIT(0),
IF_r1_branch = INSTRUCTION_BIT(1),
IF_r2_branch = INSTRUCTION_BIT(2),
IF_r3_branch = INSTRUCTION_BIT(3),
IF_goto = INSTRUCTION_BIT(15)
} Instruction_Flags;
#undef INSTRUCTION_BIT
/* Functions */
/* Globals */
typedef struct _emittert {
int (*open)(PARROT_INTERP, void *param);
int (*emit)(PARROT_INTERP, void *param, const IMC_Unit *, const Instruction *ins);
int (*new_sub)(PARROT_INTERP, void *param, IMC_Unit *);
int (*end_sub)(PARROT_INTERP, void *param, IMC_Unit *);
int (*close)(PARROT_INTERP, void *param);
} Emitter;
enum Emitter_type { EMIT_FILE, EMIT_PBC };
/* HEADERIZER BEGIN: compilers/imcc/instructions.c */
/* Don't modify between HEADERIZER BEGIN / HEADERIZER END. Your changes will be lost. */
PARROT_WARN_UNUSED_RESULT
PARROT_CAN_RETURN_NULL
Instruction * _delete_ins(ARGMOD(IMC_Unit *unit), ARGIN(Instruction *ins))
__attribute__nonnull__(1)
__attribute__nonnull__(2)
FUNC_MODIFIES(*unit);
PARROT_MALLOC
PARROT_CANNOT_RETURN_NULL
Instruction * _mk_instruction(
ARGIN(const char *op),
ARGIN(const char *fmt),
int n,
ARGIN(SymReg * const *r),
int flags)
__attribute__nonnull__(1)
__attribute__nonnull__(2)
__attribute__nonnull__(4);
PARROT_WARN_UNUSED_RESULT
PARROT_CAN_RETURN_NULL
Instruction * delete_ins(ARGMOD(IMC_Unit *unit), ARGMOD(Instruction *ins))
__attribute__nonnull__(1)
__attribute__nonnull__(2)
FUNC_MODIFIES(*unit)
FUNC_MODIFIES(*ins);
int emit_close(PARROT_INTERP, ARGIN_NULLOK(void *param))
__attribute__nonnull__(1);
int emit_flush(PARROT_INTERP,
ARGIN_NULLOK(void *param),
ARGIN(IMC_Unit *unit))
__attribute__nonnull__(1)
__attribute__nonnull__(3);
int emit_open(PARROT_INTERP, int type, ARGIN_NULLOK(void *param))
__attribute__nonnull__(1);
PARROT_CAN_RETURN_NULL
Instruction * emitb(PARROT_INTERP,
ARGMOD_NULLOK(IMC_Unit *unit),
ARGIN_NULLOK(Instruction *i))
__attribute__nonnull__(1)
FUNC_MODIFIES(*unit);
void free_ins(ARGMOD(Instruction *ins))
__attribute__nonnull__(1)
FUNC_MODIFIES(*ins);
PARROT_WARN_UNUSED_RESULT
PARROT_CAN_RETURN_NULL
SymReg * get_branch_reg(ARGIN(const Instruction *ins))
__attribute__nonnull__(1);
int get_branch_regno(ARGIN(const Instruction *ins))
__attribute__nonnull__(1);
PARROT_IGNORABLE_RESULT
int /*@alt void@*/
ins_print(PARROT_INTERP,
PIOHANDLE io,
ARGIN(const Instruction *ins))
__attribute__nonnull__(1)
__attribute__nonnull__(3);
void insert_ins(
ARGMOD(IMC_Unit *unit),
ARGMOD_NULLOK(Instruction *ins),
ARGMOD(Instruction *tmp))
__attribute__nonnull__(1)
__attribute__nonnull__(3)
FUNC_MODIFIES(*unit)
FUNC_MODIFIES(*ins)
FUNC_MODIFIES(*tmp);
int instruction_reads(ARGIN(const Instruction *ins), ARGIN(const SymReg *r))
__attribute__nonnull__(1)
__attribute__nonnull__(2);
int instruction_writes(
ARGIN(const Instruction *ins),
ARGIN(const SymReg *r))
__attribute__nonnull__(1)
__attribute__nonnull__(2);
PARROT_CAN_RETURN_NULL
Instruction * move_ins(
ARGMOD(IMC_Unit *unit),
ARGMOD(Instruction *ins),
ARGMOD(Instruction *to))
__attribute__nonnull__(1)
__attribute__nonnull__(2)
__attribute__nonnull__(3)
FUNC_MODIFIES(*unit)
FUNC_MODIFIES(*ins)
FUNC_MODIFIES(*to);
void prepend_ins(
ARGMOD(IMC_Unit *unit),
ARGMOD_NULLOK(Instruction *ins),
ARGMOD(Instruction *tmp))
__attribute__nonnull__(1)
__attribute__nonnull__(3)
FUNC_MODIFIES(*unit)
FUNC_MODIFIES(*ins)
FUNC_MODIFIES(*tmp);
void subst_ins(
ARGMOD(IMC_Unit *unit),
ARGMOD(Instruction *ins),
ARGMOD(Instruction *tmp),
int needs_freeing)
__attribute__nonnull__(1)
__attribute__nonnull__(2)
__attribute__nonnull__(3)
FUNC_MODIFIES(*unit)
FUNC_MODIFIES(*ins)
FUNC_MODIFIES(*tmp);
#define ASSERT_ARGS__delete_ins __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(unit) \
, PARROT_ASSERT_ARG(ins))
#define ASSERT_ARGS__mk_instruction __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(op) \
, PARROT_ASSERT_ARG(fmt) \
, PARROT_ASSERT_ARG(r))
#define ASSERT_ARGS_delete_ins __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(unit) \
, PARROT_ASSERT_ARG(ins))
#define ASSERT_ARGS_emit_close __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp))
#define ASSERT_ARGS_emit_flush __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(unit))
#define ASSERT_ARGS_emit_open __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp))
#define ASSERT_ARGS_emitb __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp))
#define ASSERT_ARGS_free_ins __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(ins))
#define ASSERT_ARGS_get_branch_reg __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(ins))
#define ASSERT_ARGS_get_branch_regno __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(ins))
#define ASSERT_ARGS_ins_print __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(ins))
#define ASSERT_ARGS_insert_ins __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(unit) \
, PARROT_ASSERT_ARG(tmp))
#define ASSERT_ARGS_instruction_reads __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(ins) \
, PARROT_ASSERT_ARG(r))
#define ASSERT_ARGS_instruction_writes __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(ins) \
, PARROT_ASSERT_ARG(r))
#define ASSERT_ARGS_move_ins __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(unit) \
, PARROT_ASSERT_ARG(ins) \
, PARROT_ASSERT_ARG(to))
#define ASSERT_ARGS_prepend_ins __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(unit) \
, PARROT_ASSERT_ARG(tmp))
#define ASSERT_ARGS_subst_ins __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(unit) \
, PARROT_ASSERT_ARG(ins) \
, PARROT_ASSERT_ARG(tmp))
/* Don't modify between HEADERIZER BEGIN / HEADERIZER END. Your changes will be lost. */
/* HEADERIZER END: compilers/imcc/instructions.c */
/*
* _mk_instruction and iANY are not intended for outside usage
* please use INS
*/
#ifndef _PARSER
# define _mk_instruction(a, b, n, c, d) dont_use_this_function((a), (b))
#endif
/* This macro must come after the declaration of _mk_instruction() */
#endif /* PARROT_IMCC_INSTRUCTIONS_H_GUARD */
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4 cinoptions='\:2=2' :
*/