cctools/as/read.h

   1 #ifndef _READ_H_
   2 #define _READ_H_
   3 /* read.h - of read.c
   4    Copyright (C) 1986 Free Software Foundation, Inc.
   5
   6 This file is part of GAS, the GNU Assembler.
   7
   8 GAS is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 1, or (at your option)
  11 any later version.
  12
  13 GAS is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GAS; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21
  22 #include <stdint.h>
  23 #import "expr.h"
  24
  25 /* Define to make whitespace be allowed in many syntactically
  26    unnecessary places.  Normally undefined.  For compatibility with
  27    ancient GNU cc.  */
  28 /* #undef PERMIT_WHITESPACE */
  29 #define PERMIT_WHITESPACE
  30
  31 #ifdef PERMIT_WHITESPACE
  32 #define SKIP_WHITESPACE()                       \
  33   (void)((*input_line_pointer == ' ') ? ++input_line_pointer : 0)
  34 #else
  35 #define SKIP_WHITESPACE() know(*input_line_pointer != ' ' )
  36 #endif
  37
  38
  39 #define LEX_NAME        (1)     /* may continue a name */
  40 #define LEX_BEGIN_NAME  (2)     /* may begin a name */
  41
  42 #define is_name_beginner(c)     ( lex_type[(c) & 0xff] & LEX_BEGIN_NAME )
  43 #define is_part_of_name(c)      ( lex_type[(c) & 0xff] & LEX_NAME       )
  44
  45 /*
  46  * A pseudo opcode table entry.
  47  */
  48 typedef struct {
  49     char *poc_name;     /* assembler mnemonic, lower case, no '.' */
  50     void (*poc_handler)(uintptr_t poc_val);     /* Do the work */
  51     uintptr_t  poc_val; /* Value to pass to handler */
  52 } pseudo_typeS;
  53
  54 extern char *input_line_pointer; /* -> char we are parsing now. */
  55 extern char *buffer_limit;       /* -> 1 + last char in buffer. */
  56
  57 /* FROM line 60 */
  58 extern int target_big_endian;
  59
  60 extern
  61 #ifndef PPC
  62 const
  63 #endif /* PPC */
  64 char lex_type[];
  65 extern char is_end_of_line(
  66     int c);
  67 extern uint32_t text_nsect;
  68
  69 /*
  70  * These variable are set with .inlineasmstart and used when reporting errors
  71  * for the properties of GCC function-scope inline asms.
  72  */
  73 extern int inlineasm_checks;
  74 extern char *inlineasm_file_name;
  75 extern int inlineasm_line_number;
  76 extern int inlineasm_column_number;
  77
  78 extern void read_begin(
  79     void);
  80 #ifdef PPC
  81 extern void ppcasm_read_begin(
  82     void);
  83 #endif /* PPC */
  84 void read_a_source_file(
  85     char *buffer);
  86 extern signed_target_addr_t get_absolute_expression(
  87     void);
  88 extern char *demand_copy_C_string(
  89     int *len_pointer);
  90 extern void demand_empty_rest_of_line(
  91     void);
  92 extern void ignore_rest_of_line(
  93     void);
  94 extern void add_to_macro_definition(
  95     char *char_pointer);
  96 extern segT get_known_segmented_expression(
  97     expressionS *expP);
  98 extern void totally_ignore_line(
  99     void);
 100
 101 /* globally known pseudo-op functions (used by some assemblers in MACHINE.c) */
 102 extern void stringer(
 103     uintptr_t append_zero);
 104 extern void s_space(
 105     uintptr_t value);
 106 extern void s_abs(
 107     uintptr_t value);
 108 extern void float_cons(
 109     uintptr_t float_type);
 110 extern void cons(
 111     uintptr_t nbytes);
 112 extern void s_globl(
 113     uintptr_t value);
 114 void s_app_file(
 115     uintptr_t value);
 116 extern void s_ignore(
 117     uintptr_t arg);
 118 extern void s_line(
 119     uintptr_t value);
 120 extern void s_macro(
 121     uintptr_t value);
 122 extern void s_endmacro(
 123     uintptr_t value);
 124 extern void big_cons(
 125     uintptr_t nbytes);
 126 extern void pseudo_set(
 127     symbolS *symbolP);
 128 #if ALLOW_64BIT_LEB_ON_32B_TARGET
 129 extern int output_leb128(
 130     char *p,
 131     uint64_t value,
 132     int sign);
 133 extern int sizeof_leb128(
 134     uint64_t value,
 135     int sign);
 136 #else
 137 extern int output_leb128(
 138     char *p,
 139     valueT value,
 140     int sign);
 141 extern int sizeof_leb128(
 142     valueT value,
 143     int sign);
 144 #endif
 145 #endif /* _READ_H_ */