Oh GACK! src-clean doesn't quite work that easily since cleandist rebuilds the
[unix-history] / gnu / usr.bin / cc / common / output.h
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1/* Declarations for insn-output.c. These functions are defined in recog.c,
2 final.c, and varasm.c.
3 Copyright (C) 1987, 1991 Free Software Foundation, Inc.
4
5This file is part of GNU CC.
6
7GNU CC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU CC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU CC; see the file COPYING. If not, write to
19the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20
21#ifndef STDIO_PROTO
22#ifdef BUFSIZ
23#define STDIO_PROTO(ARGS) PROTO(ARGS)
24#else
25#define STDIO_PROTO(ARGS) ()
26#endif
27#endif
28
29/* Output a string of assembler code, substituting insn operands.
30 Defined in final.c. */
31extern void output_asm_insn PROTO((char *, rtx *));
32
33/* Output a string of assembler code, substituting numbers, strings
34 and fixed syntactic prefixes. */
35extern void asm_fprintf ();
36
37/* Print an integer constant expression in assembler syntax.
38 Addition and subtraction are the only arithmetic
39 that may appear in these expressions. */
40extern void output_addr_const STDIO_PROTO((FILE *, rtx));
41
42/* Output a name (as found inside a symbol_ref) in assembler syntax. */
43extern void assemble_name STDIO_PROTO((FILE *, char *));
44
45/* Replace a SUBREG with a REG or a MEM, based on the thing it is a
46 subreg of. */
47extern rtx alter_subreg PROTO((rtx));
48
49/* When outputting assembler code, indicates which alternative
50 of the constraints was actually satisfied. */
51extern int which_alternative;
52
53/* When outputting delayed branch sequences, this rtx holds the
54 sequence being output. It is null when no delayed branch
55 sequence is being output, so it can be used as a test in the
56 insn output code.
57
58 This variable is defined in final.c. */
59extern rtx final_sequence;
60
61/* Number of bytes of args popped by function being compiled on its return.
62 Zero if no bytes are to be popped.
63 May affect compilation of return insn or of function epilogue. */
64
65extern int current_function_pops_args;
66
67/* Nonzero if function being compiled needs to be given an address
68 where the value should be stored. */
69
70extern int current_function_returns_struct;
71
72/* Nonzero if function being compiled needs to
73 return the address of where it has put a structure value. */
74
75extern int current_function_returns_pcc_struct;
76
77/* Nonzero if function being compiled needs to be passed a static chain. */
78
79extern int current_function_needs_context;
80
81/* Nonzero if function being compiled can call setjmp. */
82
83extern int current_function_calls_setjmp;
84
85/* Nonzero if function being compiled can call longjmp. */
86
87extern int current_function_calls_longjmp;
88
89/* Nonzero if function being compiled can call alloca,
90 either as a subroutine or builtin. */
91
92extern int current_function_calls_alloca;
93
94/* Nonzero if function being compiled receives nonlocal gotos
95 from nested functions. */
96
97extern int current_function_has_nonlocal_label;
98
99/* Nonzero if function being compiled contains nested functions. */
100
101extern int current_function_contains_functions;
102
103/* Nonzero if the current function returns a pointer type */
104
105extern int current_function_returns_pointer;
106
107/* If function's args have a fixed size, this is that size, in bytes.
108 Otherwise, it is -1.
109 May affect compilation of return insn or of function epilogue. */
110
111extern int current_function_args_size;
112
113/* # bytes the prologue should push and pretend that the caller pushed them.
114 The prologue must do this, but only if parms can be passed in registers. */
115
116extern int current_function_pretend_args_size;
117
118/* # of bytes of outgoing arguments required to be pushed by the prologue.
119 If this is non-zero, it means that ACCUMULATE_OUTGOING_ARGS was defined
120 and no stack adjusts will be done on function calls. */
121
122extern int current_function_outgoing_args_size;
123
124/* Nonzero if current function uses varargs.h or equivalent.
125 Zero for functions that use stdarg.h. */
126
127extern int current_function_varargs;
128
129/* Quantities of various kinds of registers
130 used for the current function's args. */
131
132extern CUMULATIVE_ARGS current_function_args_info;
133
134/* Name of function now being compiled. */
135
136extern char *current_function_name;
137
138/* If non-zero, an RTL expression for that location at which the current
139 function returns its result. Usually equal to
140 DECL_RTL (DECL_RESULT (current_function_decl)). */
141
142extern rtx current_function_return_rtx;
143
144/* If some insns can be deferred to the delay slots of the epilogue, the
145 delay list for them is recorded here. */
146
147extern rtx current_function_epilogue_delay_list;
148
149/* Nonzero means generate position-independent code.
150 This is not fully implemented yet. */
151
152extern int flag_pic;
153
154/* This is nonzero if the current function uses pic_offset_table_rtx. */
155extern int current_function_uses_pic_offset_table;
156
157/* This is nonzero if the current function uses the constant pool. */
158extern int current_function_uses_const_pool;
159
160/* The line number of the beginning of the current function.
161 sdbout.c needs this so that it can output relative linenumbers. */
162
163#ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers. */
164extern int sdb_begin_function_line;
165#endif
166
167/* File in which assembler code is being written. */
168
169#ifdef BUFSIZ
170extern FILE *asm_out_file;
171#endif