2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Interface for assembler output.
23 * @author Matthias Braun
26 * This is a framework for emitting data (usually the final assembly code)
28 #ifndef FIRM_BE_BEEMITTER_H
29 #define FIRM_BE_BEEMITTER_H
33 #include "firm_types.h"
38 /* don't use the following vars directly, they're only here for the inlines */
39 extern FILE *emit_file;
40 extern struct obstack emit_obst;
43 * Emit a character to the (assembler) output.
45 static inline void be_emit_char(char c)
47 obstack_1grow(&emit_obst, c);
51 * Emit a string to the (assembler) output.
53 * @param str the string
54 * @param l the length of the given string
56 static inline void be_emit_string_len(const char *str, size_t l)
58 obstack_grow(&emit_obst, str, l);
62 * Emit a null-terminated string to the (assembler) output.
64 * @param str the null-terminated string
66 static inline void be_emit_string(const char *str)
68 size_t len = strlen(str);
69 be_emit_string_len(str, len);
73 * Emit a C string-constant to the (assembler) output.
75 * @param str the null-terminated string constant
77 #define be_emit_cstring(str) \
78 be_emit_string_len(str, sizeof(str) - 1)
81 * Initializes an emitter environment.
83 * @param F a file handle where the emitted file is written to.
85 void be_emit_init(FILE *F);
88 * Destroys the given emitter environment.
90 void be_emit_exit(void);
93 * Emit the output of an ir_printf.
95 * @param fmt the ir_printf format
97 void be_emit_irprintf(const char *fmt, ...);
100 * Emit the output of an ir_vprintf.
102 * @param fmt the ir_printf format
104 void be_emit_irvprintf(const char *fmt, va_list args);
107 * Flush the line in the current line buffer to the emitter file.
109 void be_emit_write_line(void);
112 * Flush the line in the current line buffer to the emitter file and
113 * appends a gas-style comment with the node number and writes the line
115 * @param node the node to get the debug info from
117 void be_emit_finish_line_gas(const ir_node *node);
120 * Emit spaces until the comment position is reached.
122 void be_emit_pad_comment(void);
125 * The type of a emitter function.
127 typedef void emit_func(ir_node const *node);
129 static inline void be_set_emitter(ir_op *const op, emit_func *const func)
131 set_generic_function_ptr(op, func);
134 void be_emit_nothing(ir_node const *node);
137 * Emit code for a node.
139 void be_emit_node(ir_node const *node);