Initial revision

From-SVN: r113

gcc/output.h

+/* Declarations for insn-output.c.  These functions are defined in recog.c,
+   final.c, and varasm.c.
+   Copyright (C) 1987-1991 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* Output a string of assembler code, substituting insn operands.
+   Defined in final.c.  */
+void output_asm_insn ();
+
+/* Output a string of assembler code, substituting numbers, strings
+   and fixed syntactic prefixes.  */
+void asm_fprintf ();
+
+/* When outputting assembler code, indicates which alternative
+   of the constraints was actually satisfied.  */
+extern int which_alternative;
+
+/* When outputting delayed branch sequences, this rtx holds the
+   sequence being output.  It is null when no delayed branch
+   sequence is being output, so it can be used as a test in the
+   insn output code.
+
+   This variable is defined  in final.c.  */
+extern rtx final_sequence;
+
+/* Number of bytes of args popped by function being compiled on its return.
+   Zero if no bytes are to be popped.
+   May affect compilation of return insn or of function epilogue.  */
+
+extern int current_function_pops_args;
+
+/* Nonzero if function being compiled needs to be given an address
+   where the value should be stored.  */
+
+extern int current_function_returns_struct;
+
+/* Nonzero if function being compiled needs to
+   return the address of where it has put a structure value.  */
+
+extern int current_function_returns_pcc_struct;
+
+/* Nonzero if function being compiled needs to be passed a static chain.  */
+
+extern int current_function_needs_context;
+
+/* Nonzero if function being compiled can call setjmp.  */
+
+extern int current_function_calls_setjmp;
+
+/* Nonzero if function being compiled can call longjmp.  */
+
+extern int current_function_calls_longjmp;
+
+/* Nonzero if function being compiled can call alloca,
+   either as a subroutine or builtin.  */
+
+extern int current_function_calls_alloca;
+
+/* Nonzero if function being compiled receives nonlocal gotos
+   from nested functions.  */
+
+extern int current_function_has_nonlocal_label;
+
+/* Nonzero if function being compiled contains nested functions.  */
+
+extern int current_function_contains_functions;
+
+/* Nonzero if the current function returns a pointer type */
+
+extern int current_function_returns_pointer;
+
+/* If function's args have a fixed size, this is that size, in bytes.
+   Otherwise, it is -1.
+   May affect compilation of return insn or of function epilogue.  */
+
+extern int current_function_args_size;
+
+/* # bytes the prologue should push and pretend that the caller pushed them.
+   The prologue must do this, but only if parms can be passed in registers.  */
+
+extern int current_function_pretend_args_size;
+
+/* # of bytes of outgoing arguments required to be pushed by the prologue.
+   If this is non-zero, it means that ACCUMULATE_OUTGOING_ARGS was defined
+   and no stack adjusts will be done on function calls.  */
+
+extern int current_function_outgoing_args_size;
+
+/* Nonzero if current function uses varargs.h or equivalent.
+   Zero for functions that use stdarg.h.  */
+
+extern int current_function_varargs;
+
+/* Quantities of various kinds of registers
+   used for the current function's args.  */
+
+extern CUMULATIVE_ARGS current_function_args_info;
+
+/* Name of function now being compiled.  */
+
+extern char *current_function_name;
+
+/* If non-zero, an RTL expression for that location at which the current
+   function returns its result.  Usually equal to
+   DECL_RTL (DECL_RESULT (current_function_decl)).  */
+
+extern rtx current_function_return_rtx;
+
+/* If some insns can be deferred to the delay slots of the epilogue, the
+   delay list for them is recorded here.  */
+
+extern rtx current_function_epilogue_delay_list;
+
+/* This is nonzero if the current function uses pic_offset_table_rtx.  */
+extern int current_function_uses_pic_offset_table;
+
+/* The line number of the beginning of the current function.
+   sdbout.c needs this so that it can output relative linenumbers.  */
+
+#ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers.  */
+extern int sdb_begin_function_line;
+#endif
+
+/* File in which assembler code is being written.  */
+
+#ifdef BUFSIZ  /* The hope is that any kind of stdio.h must define BUFSIZ.  */
+extern FILE *asm_out_file;
+#endif