632 lines
25 KiB
C
632 lines
25 KiB
C
/* Declarations for insn-output.cc and other code to write to asm_out_file.
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These functions are defined in final.cc, and varasm.cc.
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Copyright (C) 1987-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_OUTPUT_H
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#define GCC_OUTPUT_H
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/* Initialize data in final at the beginning of a compilation. */
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extern void init_final (const char *);
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/* Enable APP processing of subsequent output.
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Used before the output from an `asm' statement. */
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extern void app_enable (void);
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/* Disable APP processing of subsequent output.
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Called from varasm.cc before most kinds of output. */
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extern void app_disable (void);
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/* Return the number of slots filled in the current
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delayed branch sequence (we don't count the insn needing the
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delay slot). Zero if not in a delayed branch sequence. */
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extern int dbr_sequence_length (void);
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/* Indicate that branch shortening hasn't yet been done. */
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extern void init_insn_lengths (void);
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/* Obtain the current length of an insn. If branch shortening has been done,
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get its actual length. Otherwise, get its maximum length. */
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extern int get_attr_length (rtx_insn *);
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/* Obtain the current length of an insn. If branch shortening has been done,
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get its actual length. Otherwise, get its minimum length. */
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extern int get_attr_min_length (rtx_insn *);
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/* Make a pass over all insns and compute their actual lengths by shortening
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any branches of variable length if possible. */
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extern void shorten_branches (rtx_insn *);
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const char *get_some_local_dynamic_name ();
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/* Output assembler code for the start of a function,
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and initialize some of the variables in this file
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for the new function. The label for the function and associated
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assembler pseudo-ops have already been output in
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`assemble_start_function'. */
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extern void final_start_function (rtx_insn *, FILE *, int);
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/* Output assembler code for the end of a function.
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For clarity, args are same as those of `final_start_function'
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even though not all of them are needed. */
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extern void final_end_function (void);
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/* Output assembler code for some insns: all or part of a function. */
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extern void final (rtx_insn *, FILE *, int);
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/* The final scan for one insn, INSN. Args are same as in `final', except
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that INSN is the insn being scanned. Value returned is the next insn to
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be scanned. */
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extern rtx_insn *final_scan_insn (rtx_insn *, FILE *, int, int, int *);
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/* Replace a SUBREG with a REG or a MEM, based on the thing it is a
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subreg of. */
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extern rtx alter_subreg (rtx *, bool);
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/* Print an operand using machine-dependent assembler syntax. */
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extern void output_operand (rtx, int);
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/* Report inconsistency between the assembler template and the operands.
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In an `asm', it's the user's fault; otherwise, the compiler's fault. */
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extern void output_operand_lossage (const char *, ...) ATTRIBUTE_PRINTF_1;
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/* Output a string of assembler code, substituting insn operands.
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Defined in final.cc. */
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extern void output_asm_insn (const char *, rtx *);
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/* Compute a worst-case reference address of a branch so that it
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can be safely used in the presence of aligned labels.
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Defined in final.cc. */
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extern int insn_current_reference_address (rtx_insn *);
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/* Find the alignment associated with a CODE_LABEL.
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Defined in final.cc. */
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extern align_flags label_to_alignment (rtx);
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/* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */
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extern void output_asm_label (rtx);
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/* Marks SYMBOL_REFs in x as referenced through use of assemble_external. */
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extern void mark_symbol_refs_as_used (rtx);
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/* Print a memory reference operand for address X with access mode MODE
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using machine-dependent assembler syntax. */
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extern void output_address (machine_mode, rtx);
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/* Print an integer constant expression in assembler syntax.
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Addition and subtraction are the only arithmetic
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that may appear in these expressions. */
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extern void output_addr_const (FILE *, rtx);
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/* Output a string of assembler code, substituting numbers, strings
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and fixed syntactic prefixes. */
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#if GCC_VERSION >= 3004
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#define ATTRIBUTE_ASM_FPRINTF(m, n) __attribute__ ((__format__ (__asm_fprintf__, m, n))) ATTRIBUTE_NONNULL(m)
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#else
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#define ATTRIBUTE_ASM_FPRINTF(m, n) ATTRIBUTE_NONNULL(m)
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#endif
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extern void fprint_whex (FILE *, unsigned HOST_WIDE_INT);
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extern void fprint_ul (FILE *, unsigned long);
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extern int sprint_ul (char *, unsigned long);
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extern void asm_fprintf (FILE *file, const char *p, ...)
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ATTRIBUTE_ASM_FPRINTF(2, 3);
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/* Return nonzero if this function has no function calls. */
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extern int leaf_function_p (void);
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/* Return 1 if branch is a forward branch.
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Uses insn_shuid array, so it works only in the final pass. May be used by
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output templates to add branch prediction hints, for example. */
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extern int final_forward_branch_p (rtx_insn *);
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/* Return 1 if this function uses only the registers that can be
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safely renumbered. */
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extern int only_leaf_regs_used (void);
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/* Scan IN_RTX and its subexpressions, and renumber all regs into those
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available in leaf functions. */
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extern void leaf_renumber_regs_insn (rtx);
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/* Locate the proper template for the given insn-code. */
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extern const char *get_insn_template (int, rtx_insn *);
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/* Functions in varasm.cc. */
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/* Emit any pending weak declarations. */
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extern void weak_finish (void);
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/* Decode an `asm' spec for a declaration as a register name.
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Return the register number, or -1 if nothing specified,
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or -2 if the ASMSPEC is not `cc' or `memory' and is not recognized,
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or -3 if ASMSPEC is `cc' and is not recognized,
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or -4 if ASMSPEC is `memory' and is not recognized.
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Accept an exact spelling or a decimal number.
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Prefixes such as % are optional. */
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extern int decode_reg_name (const char *);
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/* Similar to decode_reg_name, but takes an extra parameter that is a
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pointer to the number of (internal) registers described by the
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external name. */
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extern int decode_reg_name_and_count (const char *, int *);
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extern void do_assemble_alias (tree, tree);
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extern void do_assemble_symver (tree, tree);
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extern void default_assemble_visibility (tree, int);
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/* Output a string of literal assembler code
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for an `asm' keyword used between functions. */
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extern void assemble_asm (tree);
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/* Get the function's name from a decl, as described by its RTL. */
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extern const char *get_fnname_from_decl (tree);
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/* Output assembler code for the constant pool of a function and associated
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with defining the name of the function. DECL describes the function.
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NAME is the function's name. For the constant pool, we use the current
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constant pool data. */
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extern void assemble_start_function (tree, const char *);
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/* Output assembler code associated with defining the size of the
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function. DECL describes the function. NAME is the function's name. */
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extern void assemble_end_function (tree, const char *);
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/* Assemble everything that is needed for a variable or function declaration.
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Not used for automatic variables, and not used for function definitions.
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Should not be called for variables of incomplete structure type.
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TOP_LEVEL is nonzero if this variable has file scope.
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AT_END is nonzero if this is the special handling, at end of compilation,
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to define things that have had only tentative definitions.
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DONT_OUTPUT_DATA if nonzero means don't actually output the
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initial value (that will be done by the caller). */
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extern void assemble_variable (tree, int, int, int);
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/* Assemble everything that is needed for a variable declaration that has
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no definition in the current translation unit. */
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extern void assemble_undefined_decl (tree);
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/* Compute the alignment of variable specified by DECL.
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DONT_OUTPUT_DATA is from assemble_variable. */
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extern void align_variable (tree decl, bool dont_output_data);
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/* Queue for outputting something to declare an external symbol to the
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assembler. (Most assemblers don't need this, so we normally output
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nothing.) Do nothing if DECL is not external. */
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extern void assemble_external (tree);
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/* Assemble code to leave SIZE bytes of zeros. */
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extern void assemble_zeros (unsigned HOST_WIDE_INT);
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/* Assemble an alignment pseudo op for an ALIGN-bit boundary. */
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extern void assemble_align (unsigned int);
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/* Assemble a string constant with the specified C string as contents. */
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extern void assemble_string (const char *, int);
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/* Similar, for calling a library function FUN. */
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extern void assemble_external_libcall (rtx);
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/* Assemble a label named NAME. */
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extern void assemble_label (FILE *, const char *);
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/* Output to FILE (an assembly file) a reference to NAME. If NAME
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starts with a *, the rest of NAME is output verbatim. Otherwise
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NAME is transformed in a target-specific way (usually by the
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addition of an underscore). */
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extern void assemble_name_raw (FILE *, const char *);
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/* Return NAME that should actually be emitted, looking through
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transparent aliases. If NAME refers to an entity that is also
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represented as a tree (like a function or variable), mark the entity
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as referenced. */
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extern const char *assemble_name_resolve (const char *);
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/* Like assemble_name_raw, but should be used when NAME might refer to
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an entity that is also represented as a tree (like a function or
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variable). If NAME does refer to such an entity, that entity will
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be marked as referenced. */
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extern void assemble_name (FILE *, const char *);
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/* Return the assembler directive for creating a given kind of integer
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object. SIZE is the number of bytes in the object and ALIGNED_P
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indicates whether it is known to be aligned. Return NULL if the
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assembly dialect has no such directive.
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The returned string should be printed at the start of a new line and
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be followed immediately by the object's initial value. */
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extern const char *integer_asm_op (int, int);
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/* Use directive OP to assemble an integer object X. Print OP at the
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start of the line, followed immediately by the value of X. */
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extern void assemble_integer_with_op (const char *, rtx);
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/* The default implementation of the asm_out.integer target hook. */
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extern bool default_assemble_integer (rtx, unsigned int, int);
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/* Assemble the integer constant X into an object of SIZE bytes. ALIGN is
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the alignment of the integer in bits. Return 1 if we were able to output
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the constant, otherwise 0. If FORCE is nonzero the constant must
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be outputable. */
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extern bool assemble_integer (rtx, unsigned, unsigned, int);
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/* Return section for TEXT_SECITON_NAME if DECL or DECL_SECTION_NAME (DECL)
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is NULL. */
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extern section *get_named_text_section (tree, const char *, const char *);
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/* An interface to assemble_integer for the common case in which a value is
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fully aligned and must be printed. VALUE is the value of the integer
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object and SIZE is the number of bytes it contains. */
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#define assemble_aligned_integer(SIZE, VALUE) \
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assemble_integer (VALUE, SIZE, (SIZE) * BITS_PER_UNIT, 1)
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/* Assemble the floating-point constant D into an object of size MODE. ALIGN
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is the alignment of the constant in bits. If REVERSE is true, D is output
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in reverse storage order. */
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extern void assemble_real (REAL_VALUE_TYPE, scalar_float_mode, unsigned,
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bool = false);
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/* Write the address of the entity given by SYMBOL to SEC. */
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extern void assemble_addr_to_section (rtx, section *);
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/* Return TRUE if and only if the constant pool has no entries. Note
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that even entries we might end up choosing not to emit are counted
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here, so there is the potential for missed optimizations. */
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extern bool constant_pool_empty_p (void);
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extern rtx_insn *peephole (rtx_insn *);
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extern void output_shared_constant_pool (void);
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extern void output_object_blocks (void);
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extern void output_quoted_string (FILE *, const char *);
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/* When outputting delayed branch sequences, this rtx holds the
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sequence being output. It is null when no delayed branch
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sequence is being output, so it can be used as a test in the
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insn output code.
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This variable is defined in final.cc. */
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extern rtx_sequence *final_sequence;
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/* File in which assembler code is being written. */
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#ifdef BUFSIZ
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extern FILE *asm_out_file;
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#endif
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/* The first global object in the file. */
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extern const char *first_global_object_name;
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/* The first weak object in the file. */
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extern const char *weak_global_object_name;
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/* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */
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extern rtx current_insn_predicate;
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/* Last insn processed by final_scan_insn. */
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extern rtx_insn *current_output_insn;
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/* Nonzero while outputting an `asm' with operands.
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This means that inconsistencies are the user's fault, so don't die.
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The precise value is the insn being output, to pass to error_for_asm. */
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extern const rtx_insn *this_is_asm_operands;
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/* Carry information from ASM_DECLARE_OBJECT_NAME
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to ASM_FINISH_DECLARE_OBJECT. */
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extern int size_directive_output;
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extern tree last_assemble_variable_decl;
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extern bool first_function_block_is_cold;
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/* Decide whether DECL needs to be in a writable section.
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RELOC is the same as for SELECT_SECTION. */
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extern bool decl_readonly_section (const_tree, int);
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/* This can be used to compute RELOC for the function above, when
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given a constant expression. */
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extern int compute_reloc_for_constant (tree);
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/* This can be used to compute RELOC for get_variable_section. */
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extern int compute_reloc_for_var (tree);
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/* User label prefix in effect for this compilation. */
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extern const char *user_label_prefix;
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/* Default target function prologue and epilogue assembler output. */
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extern void default_function_pro_epilogue (FILE *);
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/* Default target function switched text sections. */
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extern void default_function_switched_text_sections (FILE *, tree, bool);
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/* Default target hook that outputs nothing to a stream. */
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extern void no_asm_to_stream (FILE *);
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/* Flags controlling properties of a section. */
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enum section_flag
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{
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/* This SECTION_STYLE is used for unnamed sections that we can switch
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to using a special assembler directive. */
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SECTION_UNNAMED = 0,
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SECTION_ENTSIZE = (1UL << 8) - 1, /* entity size in section */
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SECTION_CODE = 1UL << 8, /* contains code */
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SECTION_WRITE = 1UL << 9, /* data is writable */
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SECTION_DEBUG = 1UL << 10, /* contains debug data */
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SECTION_LINKONCE = 1UL << 11, /* is linkonce */
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SECTION_SMALL = 1UL << 12, /* contains "small data" */
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SECTION_BSS = 1UL << 13, /* contains zeros only */
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SECTION_MERGE = 1UL << 14, /* contains mergeable data */
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SECTION_STRINGS = 1UL << 15, /* contains zero terminated strings
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without embedded zeros */
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SECTION_OVERRIDE = 1UL << 16, /* allow override of default flags */
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SECTION_TLS = 1UL << 17, /* contains thread-local storage */
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SECTION_NOTYPE = 1UL << 18, /* don't output @progbits */
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SECTION_DECLARED = 1UL << 19, /* section has been used */
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/* This SECTION_STYLE is used for named sections that we can switch
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to using a general section directive. */
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SECTION_NAMED = 1UL << 20,
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/* This SECTION_STYLE is used for sections that we cannot switch to at
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all. The choice of section is implied by the directive that we use
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to declare the object. */
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SECTION_NOSWITCH = 1UL << 21,
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/* bits used for SECTION_STYLE */
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SECTION_STYLE_MASK = SECTION_NAMED | SECTION_NOSWITCH,
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SECTION_COMMON = 1UL << 22, /* contains common data */
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SECTION_RELRO = 1UL << 23, /* data is readonly after
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relocation processing */
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SECTION_EXCLUDE = 1UL << 24, /* discarded by the linker */
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SECTION_RETAIN = 1UL << 25, /* retained by the linker. */
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SECTION_LINK_ORDER = 1UL << 26, /* section needs link-order. */
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/* NB: The maximum SECTION_MACH_DEP is (1UL << 28) since AVR needs 4 bits
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in SECTION_MACH_DEP. */
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SECTION_MACH_DEP = 1UL << 27,
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/* subsequent bits reserved for target */
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};
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/* A helper function for default_elf_select_section and
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default_elf_unique_section. Categorizes the DECL. */
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enum section_category
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{
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SECCAT_TEXT,
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SECCAT_RODATA,
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SECCAT_RODATA_MERGE_STR,
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SECCAT_RODATA_MERGE_STR_INIT,
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SECCAT_RODATA_MERGE_CONST,
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SECCAT_SRODATA,
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SECCAT_DATA,
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/* To optimize loading of shared programs, define following subsections
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of data section:
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_REL Contains data that has relocations, so they get grouped
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together and dynamic linker will visit fewer pages in memory.
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_RO Contains data that is otherwise read-only. This is useful
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with prelinking as most relocations won't be dynamically
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linked and thus stay read only.
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_LOCAL Marks data containing relocations only to local objects.
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These relocations will get fully resolved by prelinking. */
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SECCAT_DATA_REL,
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SECCAT_DATA_REL_LOCAL,
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SECCAT_DATA_REL_RO,
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SECCAT_DATA_REL_RO_LOCAL,
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SECCAT_SDATA,
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SECCAT_TDATA,
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SECCAT_BSS,
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SECCAT_SBSS,
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SECCAT_TBSS
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};
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/* Information that is provided by all instances of the section type. */
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struct GTY(()) section_common {
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/* The set of SECTION_* flags that apply to this section. */
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unsigned int flags;
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};
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/* Information about a SECTION_NAMED section. */
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struct GTY(()) named_section {
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struct section_common common;
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/* The name of the section. */
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const char *name;
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/* If nonnull, the VAR_DECL or FUNCTION_DECL with which the
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section is associated. */
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tree decl;
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};
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/* A callback that writes the assembly code for switching to an unnamed
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section. The argument provides callback-specific data. */
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typedef void (*unnamed_section_callback) (const char *);
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/* Information about a SECTION_UNNAMED section. */
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struct GTY(()) unnamed_section {
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struct section_common common;
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/* The callback used to switch to the section, and the data that
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should be passed to the callback. */
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unnamed_section_callback GTY ((callback)) callback;
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const char *data;
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/* The next entry in the chain of unnamed sections. */
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section *next;
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|
};
|
|
|
|
/* A callback that writes the assembly code for a decl in a
|
|
SECTION_NOSWITCH section. DECL is the decl that should be assembled
|
|
and NAME is the name of its SYMBOL_REF. SIZE is the size of the decl
|
|
in bytes and ROUNDED is that size rounded up to the next
|
|
BIGGEST_ALIGNMENT / BITS_PER_UNIT boundary.
|
|
|
|
Return true if the callback used DECL_ALIGN to set the object's
|
|
alignment. A false return value implies that we are relying
|
|
on the rounded size to align the decl. */
|
|
typedef bool (*noswitch_section_callback) (tree decl, const char *name,
|
|
unsigned HOST_WIDE_INT size,
|
|
unsigned HOST_WIDE_INT rounded);
|
|
|
|
/* Information about a SECTION_NOSWITCH section. */
|
|
struct GTY(()) noswitch_section {
|
|
struct section_common common;
|
|
|
|
/* The callback used to assemble decls in this section. */
|
|
noswitch_section_callback GTY ((callback)) callback;
|
|
};
|
|
|
|
/* Information about a section, which may be named or unnamed. */
|
|
union GTY ((desc ("SECTION_STYLE (&(%h))"), for_user)) section {
|
|
struct section_common GTY ((skip)) common;
|
|
struct named_section GTY ((tag ("SECTION_NAMED"))) named;
|
|
struct unnamed_section GTY ((tag ("SECTION_UNNAMED"))) unnamed;
|
|
struct noswitch_section GTY ((tag ("SECTION_NOSWITCH"))) noswitch;
|
|
};
|
|
|
|
/* Return the style of section SECT. */
|
|
#define SECTION_STYLE(SECT) ((SECT)->common.flags & SECTION_STYLE_MASK)
|
|
|
|
struct object_block;
|
|
|
|
/* Special well-known sections. */
|
|
extern GTY(()) section *text_section;
|
|
extern GTY(()) section *data_section;
|
|
extern GTY(()) section *readonly_data_section;
|
|
extern GTY(()) section *sdata_section;
|
|
extern GTY(()) section *ctors_section;
|
|
extern GTY(()) section *dtors_section;
|
|
extern GTY(()) section *bss_section;
|
|
extern GTY(()) section *sbss_section;
|
|
extern GTY(()) section *exception_section;
|
|
extern GTY(()) section *eh_frame_section;
|
|
extern GTY(()) section *tls_comm_section;
|
|
extern GTY(()) section *comm_section;
|
|
extern GTY(()) section *lcomm_section;
|
|
extern GTY(()) section *bss_noswitch_section;
|
|
|
|
extern GTY(()) section *in_section;
|
|
extern GTY(()) bool in_cold_section_p;
|
|
|
|
extern section *get_unnamed_section (unsigned int, void (*) (const char *),
|
|
const char *);
|
|
extern section *get_section (const char *, unsigned int, tree,
|
|
bool not_existing = false);
|
|
extern section *get_named_section (tree, const char *, int);
|
|
extern section *get_variable_section (tree, bool);
|
|
extern void place_block_symbol (rtx);
|
|
extern rtx get_section_anchor (struct object_block *, HOST_WIDE_INT,
|
|
enum tls_model);
|
|
extern section *mergeable_constant_section (machine_mode,
|
|
unsigned HOST_WIDE_INT,
|
|
unsigned int);
|
|
extern section *function_section (tree);
|
|
extern section *unlikely_text_section (void);
|
|
extern section *current_function_section (void);
|
|
extern void switch_to_other_text_partition (void);
|
|
|
|
/* Return the numbered .ctors.N (if CONSTRUCTOR_P) or .dtors.N (if
|
|
not) section for PRIORITY. */
|
|
extern section *get_cdtor_priority_section (int, bool);
|
|
|
|
extern bool unlikely_text_section_p (section *);
|
|
extern void switch_to_section (section *, tree = nullptr);
|
|
extern void output_section_asm_op (const char *);
|
|
|
|
extern void record_tm_clone_pair (tree, tree);
|
|
extern void finish_tm_clone_pairs (void);
|
|
extern tree get_tm_clone_pair (tree);
|
|
|
|
extern void default_asm_output_source_filename (FILE *, const char *);
|
|
extern void output_file_directive (FILE *, const char *);
|
|
|
|
extern unsigned int default_section_type_flags (tree, const char *, int);
|
|
|
|
extern bool have_global_bss_p (void);
|
|
extern bool bss_initializer_p (const_tree, bool = false);
|
|
|
|
extern void default_no_named_section (const char *, unsigned int, tree);
|
|
extern void default_elf_asm_named_section (const char *, unsigned int, tree);
|
|
extern enum section_category categorize_decl_for_section (const_tree, int);
|
|
extern void default_coff_asm_named_section (const char *, unsigned int, tree);
|
|
extern void default_pe_asm_named_section (const char *, unsigned int, tree);
|
|
|
|
extern void default_named_section_asm_out_destructor (rtx, int);
|
|
extern void default_dtor_section_asm_out_destructor (rtx, int);
|
|
extern void default_named_section_asm_out_constructor (rtx, int);
|
|
extern void default_ctor_section_asm_out_constructor (rtx, int);
|
|
|
|
extern section *default_select_section (tree, int, unsigned HOST_WIDE_INT);
|
|
extern section *default_elf_select_section (tree, int, unsigned HOST_WIDE_INT);
|
|
extern void default_unique_section (tree, int);
|
|
extern section *default_function_rodata_section (tree, bool);
|
|
extern section *default_no_function_rodata_section (tree, bool);
|
|
extern section *default_clone_table_section (void);
|
|
extern section *default_select_rtx_section (machine_mode, rtx,
|
|
unsigned HOST_WIDE_INT);
|
|
extern section *default_elf_select_rtx_section (machine_mode, rtx,
|
|
unsigned HOST_WIDE_INT);
|
|
extern void default_encode_section_info (tree, rtx, int);
|
|
extern const char *default_strip_name_encoding (const char *);
|
|
extern void default_asm_output_anchor (rtx);
|
|
extern bool default_use_anchors_for_symbol_p (const_rtx);
|
|
extern bool default_binds_local_p (const_tree);
|
|
extern bool default_binds_local_p_1 (const_tree, int);
|
|
extern bool default_binds_local_p_2 (const_tree);
|
|
extern bool default_binds_local_p_3 (const_tree, bool, bool, bool, bool);
|
|
extern void default_globalize_label (FILE *, const char *);
|
|
extern void default_globalize_decl_name (FILE *, tree);
|
|
extern void default_emit_unwind_label (FILE *, tree, int, int);
|
|
extern void default_emit_except_table_label (FILE *);
|
|
extern void default_generate_internal_label (char *, const char *,
|
|
unsigned long);
|
|
extern void default_internal_label (FILE *, const char *, unsigned long);
|
|
extern void default_asm_declare_constant_name (FILE *, const char *,
|
|
const_tree, HOST_WIDE_INT);
|
|
extern void default_file_start (void);
|
|
extern void file_end_indicate_exec_stack (void);
|
|
extern void file_end_indicate_split_stack (void);
|
|
|
|
extern void default_elf_asm_output_external (FILE *file, tree,
|
|
const char *);
|
|
extern void default_elf_asm_output_limited_string (FILE *, const char *);
|
|
extern void default_elf_asm_output_ascii (FILE *, const char *, unsigned int);
|
|
extern void default_elf_internal_label (FILE *, const char *, unsigned long);
|
|
|
|
extern void default_elf_init_array_asm_out_constructor (rtx, int);
|
|
extern void default_elf_fini_array_asm_out_destructor (rtx, int);
|
|
extern int maybe_assemble_visibility (tree);
|
|
|
|
extern int default_address_cost (rtx, machine_mode, addr_space_t, bool);
|
|
|
|
/* Stack usage. */
|
|
extern void output_stack_usage (void);
|
|
|
|
#endif /* ! GCC_OUTPUT_H */
|