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/* bfin-defs.h ADI Blackfin gas header file
   Copyright 2005, 2006, 2007, 2009, 2010, 2011
   Free Software Foundation, Inc.
 
   This file is part of GAS, the GNU Assembler.
 
   GAS is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.
 
   GAS is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to the Free
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */
 
#ifndef BFIN_PARSE_H
#define BFIN_PARSE_H
 
#include "opcode/bfin.h"
 
#define PCREL   1
#define CODE_FRAG_SIZE 4096  /* 1 page.  */
 
 
/* Definition for all status bits.  */
typedef enum
{
  c_0,
  c_1,
  c_4,
  c_2,
  c_uimm2,
  c_uimm3,
  c_imm3,
  c_pcrel4,
  c_imm4,
  c_uimm4s4,
  c_uimm4,
  c_uimm4s2,
  c_negimm5s4,
  c_imm5,
  c_uimm5,
  c_imm6,
  c_imm7,
  c_imm8,
  c_uimm8,
  c_pcrel8,
  c_uimm8s4,
  c_pcrel8s4,
  c_lppcrel10,
  c_pcrel10,
  c_pcrel12,
  c_imm16s4,
  c_luimm16,
  c_imm16,
  c_huimm16,
  c_rimm16,
  c_imm16s2,
  c_uimm16s4,
  c_uimm16,
  c_pcrel24
} const_forms_t;
 
 
/* High-Nibble: group code, low nibble: register code.  */
 
 
#define T_REG_R       0x00
#define T_REG_P       0x10
#define T_REG_I       0x20
#define T_REG_B       0x30
#define T_REG_L       0x34
#define T_REG_M       0x24
#define T_REG_A       0x40
 
/* All registers above this value don't
   belong to a usuable register group.  */
#define T_NOGROUP     0xa0
 
/* Flags.  */
#define F_REG_NONE 0
#define F_REG_HIGH 1
#define F_REG_LOW 2
 
enum machine_registers
{
  REG_R0    = T_REG_R, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,
  REG_P0    = T_REG_P, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,
  REG_I0    = T_REG_I, REG_I1, REG_I2, REG_I3,
  REG_M0    = T_REG_M, REG_M1, REG_M2, REG_M3,
  REG_B0    = T_REG_B, REG_B1, REG_B2, REG_B3,
  REG_L0    = T_REG_L, REG_L1, REG_L2, REG_L3,
  REG_A0x   = T_REG_A, REG_A0w, REG_A1x, REG_A1w,
  REG_ASTAT = 0x46,
  REG_RETS  = 0x47,
  REG_LC0   = 0x60, REG_LT0, REG_LB0,  REG_LC1, REG_LT1, REG_LB1,
              REG_CYCLES, REG_CYCLES2,
  REG_USP   = 0x70, REG_SEQSTAT, REG_SYSCFG,
              REG_RETI, REG_RETX, REG_RETN, REG_RETE, REG_EMUDAT,
 
/* These don't have groups.  */
  REG_sftreset = T_NOGROUP, REG_omode, REG_excause, REG_emucause,
                 REG_idle_req, REG_hwerrcause,
  REG_A0       = 0xc0, REG_A1, REG_CC,
/* Pseudo registers, used only for distinction from symbols.  */
                 REG_RL0, REG_RL1, REG_RL2, REG_RL3,
                 REG_RL4, REG_RL5, REG_RL6, REG_RL7,
                 REG_RH0, REG_RH1, REG_RH2, REG_RH3,
                 REG_RH4, REG_RH5, REG_RH6, REG_RH7,
                 REG_LASTREG
};
 
/* Status register flags.  */
 
enum statusflags
{
  S_AZ = 0,
  S_AN,
  S_AC0_COPY,
  S_V_COPY,
  S_AQ = 6,
  S_RND_MOD = 8,
  S_AC0 = 12,
  S_AC1,
  S_AV0 = 16,
  S_AV0S,
  S_AV1,
  S_AV1S,
  S_V = 24,
  S_VS = 25
};
 
 
enum reg_class
{
  rc_dregs_lo,
  rc_dregs_hi,
  rc_dregs,
  rc_dregs_pair,
  rc_pregs,
  rc_spfp,
  rc_dregs_hilo,
  rc_accum_ext,
  rc_accum_word,
  rc_accum,
  rc_iregs,
  rc_mregs,
  rc_bregs,
  rc_lregs,
  rc_dpregs,
  rc_gregs,
  rc_regs,
  rc_statbits,
  rc_ignore_bits,
  rc_ccstat,
  rc_counters,
  rc_dregs2_sysregs1,
  rc_open,
  rc_sysregs2,
  rc_sysregs3,
  rc_allregs,
  LIM_REG_CLASSES
};
 
/* Register type checking macros.  */
 
#define CODE_MASK  0x07
#define CLASS_MASK 0xf0
 
#define REG_SAME(a, b)   ((a).regno == (b).regno)
#define REG_EQUAL(a, b)  (((a).regno & CODE_MASK) == ((b).regno & CODE_MASK))
#define REG_CLASS(a)     ((a).regno & 0xf0)
#define IS_A1(a)         ((a).regno == REG_A1)
#define IS_H(a)          ((a).flags & F_REG_HIGH ? 1: 0)
#define IS_EVEN(r)       ((r).regno % 2 == 0)
#define IS_HCOMPL(a, b)  (REG_EQUAL(a, b) && \
                         ((a).flags & F_REG_HIGH) != ((b).flags & F_REG_HIGH))
 
/* register type checking.  */
#define _TYPECHECK(r, x) (((r).regno & CLASS_MASK) == T_REG_##x)
 
#define IS_DREG(r)       _TYPECHECK(r, R)
#define IS_DREG_H(r)     (_TYPECHECK(r, R) && IS_H(r))
#define IS_DREG_L(r)     (_TYPECHECK(r, R) && !IS_H(r))
#define IS_PREG(r)       _TYPECHECK(r, P)
#define IS_IREG(r)       (((r).regno & 0xf4) == T_REG_I)
#define IS_MREG(r)       (((r).regno & 0xf4) == T_REG_M)
#define IS_BREG(r)       (((r).regno & 0xf4) == T_REG_B)
#define IS_LREG(r)       (((r).regno & 0xf4) == T_REG_L)
#define IS_CREG(r)       ((r).regno == REG_LC0 || (r).regno == REG_LC1)
#define IS_EMUDAT(r)     ((r).regno == REG_EMUDAT)
#define IS_ALLREG(r)     ((r).regno < T_NOGROUP)
 
#define IS_GENREG(r) \
  (IS_DREG (r) || IS_PREG (r)                           \
   || (r).regno == REG_A0x || (r).regno == REG_A0w      \
   || (r).regno == REG_A1x || (r).regno == REG_A1w)
 
#define IS_DAGREG(r) \
  (IS_IREG (r) || IS_MREG (r) || IS_BREG (r) || IS_LREG (r))
 
#define IS_SYSREG(r) \
  ((r).regno == REG_ASTAT || (r).regno == REG_SEQSTAT           \
   || (r).regno == REG_SYSCFG || (r).regno == REG_RETI          \
   || (r).regno == REG_RETX || (r).regno == REG_RETN            \
   || (r).regno == REG_RETE || (r).regno == REG_RETS            \
   || (r).regno == REG_LC0 || (r).regno == REG_LC1              \
   || (r).regno == REG_LT0 || (r).regno == REG_LT1              \
   || (r).regno == REG_LB0 || (r).regno == REG_LB1              \
   || (r).regno == REG_CYCLES || (r).regno == REG_CYCLES2       \
   || (r).regno == REG_EMUDAT)
 
/* Expression value macros.  */
 
typedef enum
{
  ones_compl,
  twos_compl,
  mult,
  divide,
  mod,
  add,
  sub,
  lsh,
  rsh,
  logand,
  logior,
  logxor
} expr_opcodes_t;
 
struct expressionS;
 
#define SYMBOL_T       symbolS*
 
struct expression_cell
{
  int value;
  SYMBOL_T symbol;
};
 
/* User Type Definitions.  */
struct bfin_insn
{
  unsigned long value;
  struct bfin_insn *next;
  struct expression_cell *exp;
  int pcrel;
  int reloc;
};
 
#define INSTR_T struct bfin_insn*
#define EXPR_T  struct expression_cell*
 
typedef struct expr_node_struct Expr_Node;
 
extern INSTR_T gencode (unsigned long x);
extern INSTR_T conscode (INSTR_T head, INSTR_T tail);
extern INSTR_T conctcode (INSTR_T head, INSTR_T tail);
extern INSTR_T note_reloc
       (INSTR_T code, Expr_Node *, int reloc,int pcrel);
extern INSTR_T note_reloc1
       (INSTR_T code, const char * sym, int reloc, int pcrel);
extern INSTR_T note_reloc2
       (INSTR_T code, const char *symbol, int reloc, int value, int pcrel);
 
/* Types of expressions.  */
typedef enum
{
  Expr_Node_Binop,              /* Binary operator.  */
  Expr_Node_Unop,               /* Unary operator.  */
  Expr_Node_Reloc,              /* Symbol to be relocated.  */
  Expr_Node_GOT_Reloc,          /* Symbol to be relocated using the GOT.  */
  Expr_Node_Constant            /* Constant.  */
} Expr_Node_Type;
 
/* Types of operators.  */
typedef enum
{
  Expr_Op_Type_Add,
  Expr_Op_Type_Sub,
  Expr_Op_Type_Mult,
  Expr_Op_Type_Div,
  Expr_Op_Type_Mod,
  Expr_Op_Type_Lshift,
  Expr_Op_Type_Rshift,
  Expr_Op_Type_BAND,            /* Bitwise AND.  */
  Expr_Op_Type_BOR,             /* Bitwise OR.  */
  Expr_Op_Type_BXOR,            /* Bitwise exclusive OR.  */
  Expr_Op_Type_LAND,            /* Logical AND.  */
  Expr_Op_Type_LOR,             /* Logical OR.  */
  Expr_Op_Type_NEG,
  Expr_Op_Type_COMP             /* Complement.  */
} Expr_Op_Type;
 
/* The value that can be stored ... depends on type.  */
typedef union
{
  const char *s_value;          /* if relocation symbol, the text.  */
  long long i_value;            /* if constant, the value.  */
  Expr_Op_Type op_value;        /* if operator, the value.  */
} Expr_Node_Value;
 
/* The expression node.  */
struct expr_node_struct
{
  Expr_Node_Type        type;
  Expr_Node_Value       value;
  Expr_Node             *Left_Child;
  Expr_Node             *Right_Child;
};
 
 
/* Operations on the expression node.  */
Expr_Node *Expr_Node_Create (Expr_Node_Type type,
                         Expr_Node_Value value,
                         Expr_Node *Left_Child,
                         Expr_Node *Right_Child);
 
/* Generate the reloc structure as a series of instructions.  */
INSTR_T Expr_Node_Gen_Reloc (Expr_Node *head, int parent_reloc);
 
#define MKREF(x)        mkexpr (0,x)
#define ALLOCATE(x)     malloc (x)
 
#define NULL_CODE ((INSTR_T) 0)
 
#ifndef EXPR_VALUE
#define EXPR_VALUE(x)  (((x)->type == Expr_Node_Constant) ? ((x)->value.i_value) : 0)
#endif
#ifndef EXPR_SYMBOL
#define EXPR_SYMBOL(x) ((x)->symbol)
#endif
 
 
typedef long reg_t;
 
 
typedef struct _register
{
  reg_t regno;       /* Register ID as defined in machine_registers.  */
  int   flags;
} Register;
 
 
typedef struct _macfunc
{
  char n;
  char op;
  char w;
  char P;
  Register dst;
  Register s0;
  Register s1;
} Macfunc;
 
typedef struct _opt_mode
{
  int MM;
  int mod;
} Opt_mode;
 
typedef enum
{
  SEMANTIC_ERROR,
  NO_INSN_GENERATED,
  INSN_GENERATED
} parse_state;
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
extern int debug_codeselection;
 
void error (char *format, ...);
void warn (char *format, ...);
int  semantic_error (char *syntax);
void semantic_error_2 (char *syntax);
 
EXPR_T mkexpr (int, SYMBOL_T);
 
/* Defined in bfin-lex.l.  */
void set_start_state (void);
 
extern int insn_regmask (int, int);
#ifdef __cplusplus
}
#endif
 
#endif  /* BFIN_PARSE_H */
 

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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gas/] [config/] [bfin-defs.h] - Blame information for rev 78

Line No.	Rev	Author	Line
1	16	khays	`/* bfin-defs.h ADI Blackfin gas header file`
2			`Copyright 2005, 2006, 2007, 2009, 2010, 2011`
3			`Free Software Foundation, Inc.`
4
5			`This file is part of GAS, the GNU Assembler.`
6
7			`GAS is free software; you can redistribute it and/or modify`
8			`it under the terms of the GNU General Public License as published by`
9			`the Free Software Foundation; either version 3, or (at your option)`
10			`any later version.`
11
12			`GAS is distributed in the hope that it will be useful,`
13			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
14			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
15			`GNU General Public License for more details.`
16
17			`You should have received a copy of the GNU General Public License`
18			`along with GAS; see the file COPYING. If not, write to the Free`
19			`Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA`
20			`02110-1301, USA. */`
21
22			`#ifndef BFIN_PARSE_H`
23			`#define BFIN_PARSE_H`
24
25			`#include "opcode/bfin.h"`
26
27			`#define PCREL 1`
28			`#define CODE_FRAG_SIZE 4096 /* 1 page. */`
29
30
31			`/* Definition for all status bits. */`
32			`typedef enum`
33			`{`
34			`c_0,`
35			`c_1,`
36			`c_4,`
37			`c_2,`
38			`c_uimm2,`
39			`c_uimm3,`
40			`c_imm3,`
41			`c_pcrel4,`
42			`c_imm4,`
43			`c_uimm4s4,`
44			`c_uimm4,`
45			`c_uimm4s2,`
46			`c_negimm5s4,`
47			`c_imm5,`
48			`c_uimm5,`
49			`c_imm6,`
50			`c_imm7,`
51			`c_imm8,`
52			`c_uimm8,`
53			`c_pcrel8,`
54			`c_uimm8s4,`
55			`c_pcrel8s4,`
56			`c_lppcrel10,`
57			`c_pcrel10,`
58			`c_pcrel12,`
59			`c_imm16s4,`
60			`c_luimm16,`
61			`c_imm16,`
62			`c_huimm16,`
63			`c_rimm16,`
64			`c_imm16s2,`
65			`c_uimm16s4,`
66			`c_uimm16,`
67			`c_pcrel24`
68			`} const_forms_t;`
69
70
71			`/* High-Nibble: group code, low nibble: register code. */`
72
73
74			`#define T_REG_R 0x00`
75			`#define T_REG_P 0x10`
76			`#define T_REG_I 0x20`
77			`#define T_REG_B 0x30`
78			`#define T_REG_L 0x34`
79			`#define T_REG_M 0x24`
80			`#define T_REG_A 0x40`
81
82			`/* All registers above this value don't`
83			`belong to a usuable register group. */`
84			`#define T_NOGROUP 0xa0`
85
86			`/* Flags. */`
87			`#define F_REG_NONE 0`
88			`#define F_REG_HIGH 1`
89			`#define F_REG_LOW 2`
90
91			`enum machine_registers`
92			`{`
93			`REG_R0 = T_REG_R, REG_R1, REG_R2, REG_R3, REG_R4, REG_R5, REG_R6, REG_R7,`
94			`REG_P0 = T_REG_P, REG_P1, REG_P2, REG_P3, REG_P4, REG_P5, REG_SP, REG_FP,`
95			`REG_I0 = T_REG_I, REG_I1, REG_I2, REG_I3,`
96			`REG_M0 = T_REG_M, REG_M1, REG_M2, REG_M3,`
97			`REG_B0 = T_REG_B, REG_B1, REG_B2, REG_B3,`
98			`REG_L0 = T_REG_L, REG_L1, REG_L2, REG_L3,`
99			`REG_A0x = T_REG_A, REG_A0w, REG_A1x, REG_A1w,`
100			`REG_ASTAT = 0x46,`
101			`REG_RETS = 0x47,`
102			`REG_LC0 = 0x60, REG_LT0, REG_LB0, REG_LC1, REG_LT1, REG_LB1,`
103			`REG_CYCLES, REG_CYCLES2,`
104			`REG_USP = 0x70, REG_SEQSTAT, REG_SYSCFG,`
105			`REG_RETI, REG_RETX, REG_RETN, REG_RETE, REG_EMUDAT,`
106
107			`/* These don't have groups. */`
108			`REG_sftreset = T_NOGROUP, REG_omode, REG_excause, REG_emucause,`
109			`REG_idle_req, REG_hwerrcause,`
110			`REG_A0 = 0xc0, REG_A1, REG_CC,`
111			`/* Pseudo registers, used only for distinction from symbols. */`
112			`REG_RL0, REG_RL1, REG_RL2, REG_RL3,`
113			`REG_RL4, REG_RL5, REG_RL6, REG_RL7,`
114			`REG_RH0, REG_RH1, REG_RH2, REG_RH3,`
115			`REG_RH4, REG_RH5, REG_RH6, REG_RH7,`
116			`REG_LASTREG`
117			`};`
118
119			`/* Status register flags. */`
120
121			`enum statusflags`
122			`{`
123			`S_AZ = 0,`
124			`S_AN,`
125			`S_AC0_COPY,`
126			`S_V_COPY,`
127			`S_AQ = 6,`
128			`S_RND_MOD = 8,`
129			`S_AC0 = 12,`
130			`S_AC1,`
131			`S_AV0 = 16,`
132			`S_AV0S,`
133			`S_AV1,`
134			`S_AV1S,`
135			`S_V = 24,`
136			`S_VS = 25`
137			`};`
138
139
140			`enum reg_class`
141			`{`
142			`rc_dregs_lo,`
143			`rc_dregs_hi,`
144			`rc_dregs,`
145			`rc_dregs_pair,`
146			`rc_pregs,`
147			`rc_spfp,`
148			`rc_dregs_hilo,`
149			`rc_accum_ext,`
150			`rc_accum_word,`
151			`rc_accum,`
152			`rc_iregs,`
153			`rc_mregs,`
154			`rc_bregs,`
155			`rc_lregs,`
156			`rc_dpregs,`
157			`rc_gregs,`
158			`rc_regs,`
159			`rc_statbits,`
160			`rc_ignore_bits,`
161			`rc_ccstat,`
162			`rc_counters,`
163			`rc_dregs2_sysregs1,`
164			`rc_open,`
165			`rc_sysregs2,`
166			`rc_sysregs3,`
167			`rc_allregs,`
168			`LIM_REG_CLASSES`
169			`};`
170
171			`/* Register type checking macros. */`
172
173			`#define CODE_MASK 0x07`
174			`#define CLASS_MASK 0xf0`
175
176			`#define REG_SAME(a, b) ((a).regno == (b).regno)`
177			`#define REG_EQUAL(a, b) (((a).regno & CODE_MASK) == ((b).regno & CODE_MASK))`
178			`#define REG_CLASS(a) ((a).regno & 0xf0)`
179			`#define IS_A1(a) ((a).regno == REG_A1)`
180			`#define IS_H(a) ((a).flags & F_REG_HIGH ? 1: 0)`
181			`#define IS_EVEN(r) ((r).regno % 2 == 0)`
182			`#define IS_HCOMPL(a, b) (REG_EQUAL(a, b) && \`
183			`((a).flags & F_REG_HIGH) != ((b).flags & F_REG_HIGH))`
184
185			`/* register type checking. */`
186			`#define _TYPECHECK(r, x) (((r).regno & CLASS_MASK) == T_REG_##x)`
187
188			`#define IS_DREG(r) _TYPECHECK(r, R)`
189			`#define IS_DREG_H(r) (_TYPECHECK(r, R) && IS_H(r))`
190			`#define IS_DREG_L(r) (_TYPECHECK(r, R) && !IS_H(r))`
191			`#define IS_PREG(r) _TYPECHECK(r, P)`
192			`#define IS_IREG(r) (((r).regno & 0xf4) == T_REG_I)`
193			`#define IS_MREG(r) (((r).regno & 0xf4) == T_REG_M)`
194			`#define IS_BREG(r) (((r).regno & 0xf4) == T_REG_B)`
195			`#define IS_LREG(r) (((r).regno & 0xf4) == T_REG_L)`
196			`#define IS_CREG(r) ((r).regno == REG_LC0 \|\| (r).regno == REG_LC1)`
197			`#define IS_EMUDAT(r) ((r).regno == REG_EMUDAT)`
198			`#define IS_ALLREG(r) ((r).regno < T_NOGROUP)`
199
200			`#define IS_GENREG(r) \`
201			`(IS_DREG (r) \|\| IS_PREG (r) \`
202			`\|\| (r).regno == REG_A0x \|\| (r).regno == REG_A0w \`
203			`\|\| (r).regno == REG_A1x \|\| (r).regno == REG_A1w)`
204
205			`#define IS_DAGREG(r) \`
206			`(IS_IREG (r) \|\| IS_MREG (r) \|\| IS_BREG (r) \|\| IS_LREG (r))`
207
208			`#define IS_SYSREG(r) \`
209			`((r).regno == REG_ASTAT \|\| (r).regno == REG_SEQSTAT \`
210			`\|\| (r).regno == REG_SYSCFG \|\| (r).regno == REG_RETI \`
211			`\|\| (r).regno == REG_RETX \|\| (r).regno == REG_RETN \`
212			`\|\| (r).regno == REG_RETE \|\| (r).regno == REG_RETS \`
213			`\|\| (r).regno == REG_LC0 \|\| (r).regno == REG_LC1 \`
214			`\|\| (r).regno == REG_LT0 \|\| (r).regno == REG_LT1 \`
215			`\|\| (r).regno == REG_LB0 \|\| (r).regno == REG_LB1 \`
216			`\|\| (r).regno == REG_CYCLES \|\| (r).regno == REG_CYCLES2 \`
217			`\|\| (r).regno == REG_EMUDAT)`
218
219			`/* Expression value macros. */`
220
221			`typedef enum`
222			`{`
223			`ones_compl,`
224			`twos_compl,`
225			`mult,`
226			`divide,`
227			`mod,`
228			`add,`
229			`sub,`
230			`lsh,`
231			`rsh,`
232			`logand,`
233			`logior,`
234			`logxor`
235			`} expr_opcodes_t;`
236
237			`struct expressionS;`
238
239			`#define SYMBOL_T symbolS*`
240
241			`struct expression_cell`
242			`{`
243			`int value;`
244			`SYMBOL_T symbol;`
245			`};`
246
247			`/* User Type Definitions. */`
248			`struct bfin_insn`
249			`{`
250			`unsigned long value;`
251			`struct bfin_insn *next;`
252			`struct expression_cell *exp;`
253			`int pcrel;`
254			`int reloc;`
255			`};`
256
257			`#define INSTR_T struct bfin_insn*`
258			`#define EXPR_T struct expression_cell*`
259
260			`typedef struct expr_node_struct Expr_Node;`
261
262			`extern INSTR_T gencode (unsigned long x);`
263			`extern INSTR_T conscode (INSTR_T head, INSTR_T tail);`
264			`extern INSTR_T conctcode (INSTR_T head, INSTR_T tail);`
265			`extern INSTR_T note_reloc`
266			`(INSTR_T code, Expr_Node *, int reloc,int pcrel);`
267			`extern INSTR_T note_reloc1`
268			`(INSTR_T code, const char * sym, int reloc, int pcrel);`
269			`extern INSTR_T note_reloc2`
270			`(INSTR_T code, const char *symbol, int reloc, int value, int pcrel);`
271
272			`/* Types of expressions. */`
273			`typedef enum`
274			`{`
275			`Expr_Node_Binop, /* Binary operator. */`
276			`Expr_Node_Unop, /* Unary operator. */`
277			`Expr_Node_Reloc, /* Symbol to be relocated. */`
278			`Expr_Node_GOT_Reloc, /* Symbol to be relocated using the GOT. */`
279			`Expr_Node_Constant /* Constant. */`
280			`} Expr_Node_Type;`
281
282			`/* Types of operators. */`
283			`typedef enum`
284			`{`
285			`Expr_Op_Type_Add,`
286			`Expr_Op_Type_Sub,`
287			`Expr_Op_Type_Mult,`
288			`Expr_Op_Type_Div,`
289			`Expr_Op_Type_Mod,`
290			`Expr_Op_Type_Lshift,`
291			`Expr_Op_Type_Rshift,`
292			`Expr_Op_Type_BAND, /* Bitwise AND. */`
293			`Expr_Op_Type_BOR, /* Bitwise OR. */`
294			`Expr_Op_Type_BXOR, /* Bitwise exclusive OR. */`
295			`Expr_Op_Type_LAND, /* Logical AND. */`
296			`Expr_Op_Type_LOR, /* Logical OR. */`
297			`Expr_Op_Type_NEG,`
298			`Expr_Op_Type_COMP /* Complement. */`
299			`} Expr_Op_Type;`
300
301			`/* The value that can be stored ... depends on type. */`
302			`typedef union`
303			`{`
304			`const char s_value; / if relocation symbol, the text. */`
305			`long long i_value; /* if constant, the value. */`
306			`Expr_Op_Type op_value; /* if operator, the value. */`
307			`} Expr_Node_Value;`
308
309			`/* The expression node. */`
310			`struct expr_node_struct`
311			`{`
312			`Expr_Node_Type type;`
313			`Expr_Node_Value value;`
314			`Expr_Node *Left_Child;`
315			`Expr_Node *Right_Child;`
316			`};`
317
318
319			`/* Operations on the expression node. */`
320			`Expr_Node *Expr_Node_Create (Expr_Node_Type type,`
321			`Expr_Node_Value value,`
322			`Expr_Node *Left_Child,`
323			`Expr_Node *Right_Child);`
324
325			`/* Generate the reloc structure as a series of instructions. */`
326			`INSTR_T Expr_Node_Gen_Reloc (Expr_Node *head, int parent_reloc);`
327
328			`#define MKREF(x) mkexpr (0,x)`
329			`#define ALLOCATE(x) malloc (x)`
330
331			`#define NULL_CODE ((INSTR_T) 0)`
332
333			`#ifndef EXPR_VALUE`
334			`#define EXPR_VALUE(x) (((x)->type == Expr_Node_Constant) ? ((x)->value.i_value) : 0)`
335			`#endif`
336			`#ifndef EXPR_SYMBOL`
337			`#define EXPR_SYMBOL(x) ((x)->symbol)`
338			`#endif`
339
340
341			`typedef long reg_t;`
342
343
344			`typedef struct _register`
345			`{`
346			`reg_t regno; /* Register ID as defined in machine_registers. */`
347			`int flags;`
348			`} Register;`
349
350
351			`typedef struct _macfunc`
352			`{`
353			`char n;`
354			`char op;`
355			`char w;`
356			`char P;`
357			`Register dst;`
358			`Register s0;`
359			`Register s1;`
360			`} Macfunc;`
361
362			`typedef struct _opt_mode`
363			`{`
364			`int MM;`
365			`int mod;`
366			`} Opt_mode;`
367
368			`typedef enum`
369			`{`
370			`SEMANTIC_ERROR,`
371			`NO_INSN_GENERATED,`
372			`INSN_GENERATED`
373			`} parse_state;`
374
375
376			`#ifdef __cplusplus`
377			`extern "C" {`
378			`#endif`
379
380			`extern int debug_codeselection;`
381
382			`void error (char *format, ...);`
383			`void warn (char *format, ...);`
384			`int semantic_error (char *syntax);`
385			`void semantic_error_2 (char *syntax);`
386
387			`EXPR_T mkexpr (int, SYMBOL_T);`
388
389			`/* Defined in bfin-lex.l. */`
390			`void set_start_state (void);`
391
392			`extern int insn_regmask (int, int);`
393			`#ifdef __cplusplus`
394			`}`
395			`#endif`
396
397			`#endif /* BFIN_PARSE_H */`
398