/* Declarations for insn-output.c. These functions are defined in recog.c,
final.c, and varasm.c.
- Copyright (C) 1987, 1991, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1991, 1994, 1997, 1998,
+ 1999, 2000, 2001 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-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.
+GCC 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.
+GCC 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. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
-#ifndef STDIO_PROTO
-#ifdef BUFSIZ
-#define STDIO_PROTO(ARGS) PROTO(ARGS)
-#else
-#define STDIO_PROTO(ARGS) ()
-#endif
-#endif
+/* Compute branch alignments based on frequency information in the CFG. */
+extern void compute_alignments PARAMS ((void));
-/* Output a string of assembler code, substituting insn operands.
- Defined in final.c. */
-extern void output_asm_insn PROTO((char *, rtx *));
+/* Initialize data in final at the beginning of a compilation. */
+extern void init_final PARAMS ((const char *));
-/* Output a string of assembler code, substituting numbers, strings
- and fixed syntactic prefixes. */
-extern void asm_fprintf STDIO_PROTO((FILE *file, char *p, ...));
+/* Called at end of source file,
+ to output the block-profiling table for this entire compilation. */
+extern void end_final PARAMS ((const char *));
-/* Print an integer constant expression in assembler syntax.
- Addition and subtraction are the only arithmetic
- that may appear in these expressions. */
-extern void output_addr_const STDIO_PROTO((FILE *, rtx));
+/* Enable APP processing of subsequent output.
+ Used before the output from an `asm' statement. */
+extern void app_enable PARAMS ((void));
-/* Output a name (as found inside a symbol_ref) in assembler syntax. */
-extern void assemble_name STDIO_PROTO((FILE *, char *));
+/* Disable APP processing of subsequent output.
+ Called from varasm.c before most kinds of output. */
+extern void app_disable PARAMS ((void));
-/* Replace a SUBREG with a REG or a MEM, based on the thing it is a
- subreg of. */
-extern rtx alter_subreg PROTO((rtx));
+/* Return the number of slots filled in the current
+ delayed branch sequence (we don't count the insn needing the
+ delay slot). Zero if not in a delayed branch sequence. */
+extern int dbr_sequence_length PARAMS ((void));
-/* When outputting assembler code, indicates which alternative
- of the constraints was actually satisfied. */
-extern int which_alternative;
+/* Indicate that branch shortening hasn't yet been done. */
+extern void init_insn_lengths PARAMS ((void));
-/* 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.
+#ifdef RTX_CODE
+/* Obtain the current length of an insn. If branch shortening has been done,
+ get its actual length. Otherwise, get its maximum length. */
+extern int get_attr_length PARAMS ((rtx));
- This variable is defined in final.c. */
-extern rtx final_sequence;
+/* Make a pass over all insns and compute their actual lengths by shortening
+ any branches of variable length if possible. */
+extern void shorten_branches PARAMS ((rtx));
-/* 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. */
+/* Output assembler code for the start of a function,
+ and initialize some of the variables in this file
+ for the new function. The label for the function and associated
+ assembler pseudo-ops have already been output in
+ `assemble_start_function'. */
+extern void final_start_function PARAMS ((rtx, FILE *, int));
-extern int current_function_pops_args;
+/* Output assembler code for the end of a function.
+ For clarity, args are same as those of `final_start_function'
+ even though not all of them are needed. */
+extern void final_end_function PARAMS ((void));
-/* Nonzero if function being compiled needs to be given an address
- where the value should be stored. */
+/* Output assembler code for some insns: all or part of a function. */
+extern void final PARAMS ((rtx, FILE *, int, int));
-extern int current_function_returns_struct;
+/* The final scan for one insn, INSN. Args are same as in `final', except
+ that INSN is the insn being scanned. Value returned is the next insn to
+ be scanned. */
+extern rtx final_scan_insn PARAMS ((rtx, FILE *, int, int, int));
-/* Nonzero if function being compiled needs to
- return the address of where it has put a structure value. */
+/* Replace a SUBREG with a REG or a MEM, based on the thing it is a
+ subreg of. */
+extern rtx alter_subreg PARAMS ((rtx *));
-extern int current_function_returns_pcc_struct;
+/* Report inconsistency between the assembler template and the operands.
+ In an `asm', it's the user's fault; otherwise, the compiler's fault. */
+extern void output_operand_lossage PARAMS ((const char *));
-/* Nonzero if function being compiled needs to be passed a static chain. */
+/* Output a string of assembler code, substituting insn operands.
+ Defined in final.c. */
+extern void output_asm_insn PARAMS ((const char *, rtx *));
-extern int current_function_needs_context;
+/* Compute a worst-case reference address of a branch so that it
+ can be safely used in the presence of aligned labels.
+ Defined in final.c. */
+extern int insn_current_reference_address PARAMS ((rtx));
-/* Nonzero if function being compiled can call setjmp. */
+/* Find the alignment associated with a CODE_LABEL.
+ Defined in final.c. */
+extern int label_to_alignment PARAMS ((rtx));
-extern int current_function_calls_setjmp;
+/* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */
+extern void output_asm_label PARAMS ((rtx));
-/* Nonzero if function being compiled can call longjmp. */
+/* Print a memory reference operand for address X
+ using machine-dependent assembler syntax. */
+extern void output_address PARAMS ((rtx));
-extern int current_function_calls_longjmp;
+/* Print an integer constant expression in assembler syntax.
+ Addition and subtraction are the only arithmetic
+ that may appear in these expressions. */
+extern void output_addr_const PARAMS ((FILE *, rtx));
-/* Nonzero if function being compiled can call alloca,
- either as a subroutine or builtin. */
+/* Output a string of assembler code, substituting numbers, strings
+ and fixed syntactic prefixes. */
+extern void asm_fprintf PARAMS ((FILE *file, const char *p, ...));
+
+/* Split up a CONST_DOUBLE or integer constant rtx into two rtx's for single
+ words. */
+extern void split_double PARAMS ((rtx, rtx *, rtx *));
+
+/* Return nonzero if this function has no function calls. */
+extern int leaf_function_p PARAMS ((void));
+
+/* Return 1 if branch is an forward branch.
+ Uses insn_shuid array, so it works only in the final pass. May be used by
+ output templates to add branch prediction hints, for example. */
+extern int final_forward_branch_p PARAMS ((rtx));
+
+/* Return 1 if this function uses only the registers that can be
+ safely renumbered. */
+extern int only_leaf_regs_used PARAMS ((void));
+
+/* Scan IN_RTX and its subexpressions, and renumber all regs into those
+ available in leaf functions. */
+extern void leaf_renumber_regs_insn PARAMS ((rtx));
+
+/* Locate the proper template for the given insn-code. */
+extern const char *get_insn_template PARAMS ((int, rtx));
+
+/* Add function NAME to the weak symbols list. VALUE is a weak alias
+ associated with NAME. */
+extern int add_weak PARAMS ((const char *, const char *));
+
+/* Functions in flow.c */
+extern void allocate_for_life_analysis PARAMS ((void));
+extern int regno_uninitialized PARAMS ((unsigned int));
+extern int regno_clobbered_at_setjmp PARAMS ((int));
+extern void find_basic_blocks PARAMS ((rtx, int, FILE *));
+extern bool cleanup_cfg PARAMS ((int));
+extern void check_function_return_warnings PARAMS ((void));
+#endif
-extern int current_function_calls_alloca;
+/* Functions in varasm.c. */
-/* Nonzero if function being compiled receives nonlocal gotos
- from nested functions. */
+/* Tell assembler to switch to text section. */
+extern void text_section PARAMS ((void));
-extern int current_function_has_nonlocal_label;
+/* Tell assembler to switch to data section. */
+extern void data_section PARAMS ((void));
-/* Nonzero if function being compiled contains nested functions. */
+/* Tell assembler to make sure its in the data section. */
+extern void force_data_section PARAMS ((void));
-extern int current_function_contains_functions;
+/* Tell assembler to switch to read-only data section. This is normally
+ the text section. */
+extern void readonly_data_section PARAMS ((void));
-/* Nonzero if the current function returns a pointer type */
+/* Determine if we're in the text section. */
+extern int in_text_section PARAMS ((void));
-extern int current_function_returns_pointer;
+#ifdef CTORS_SECTION_ASM_OP
+extern void ctors_section PARAMS ((void));
+#endif
-/* 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. */
+#ifdef DTORS_SECTION_ASM_OP
+extern void dtors_section PARAMS ((void));
+#endif
-extern int current_function_args_size;
+#ifdef BSS_SECTION_ASM_OP
+extern void bss_section PARAMS ((void));
+#endif
-/* # 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. */
+#ifdef CONST_SECTION_ASM_OP
+extern void const_section PARAMS ((void));
+#endif
-extern int current_function_pretend_args_size;
+#ifdef INIT_SECTION_ASM_OP
+extern void init_section PARAMS ((void));
+#endif
-/* # 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. */
+#ifdef FINI_SECTION_ASM_OP
+extern void fini_section PARAMS ((void));
+#endif
-extern int current_function_outgoing_args_size;
+#ifdef EXPORTS_SECTION_ASM_OP
+extern void exports_section PARAMS ((void));
+#endif
-/* Nonzero if current function uses varargs.h or equivalent.
- Zero for functions that use stdarg.h. */
+#ifdef TDESC_SECTION_ASM_OP
+extern void tdesc_section PARAMS ((void));
+#endif
-extern int current_function_varargs;
+#ifdef DRECTVE_SECTION_ASM_OP
+extern void drectve_section PARAMS ((void));
+#endif
-/* Quantities of various kinds of registers
- used for the current function's args. */
+#ifdef SDATA_SECTION_ASM_OP
+extern void sdata_section PARAMS ((void));
+#endif
-extern CUMULATIVE_ARGS current_function_args_info;
+#ifdef RDATA_SECTION_ASM_OP
+extern void rdata_section PARAMS ((void));
+#endif
+
+#ifdef TREE_CODE
+/* Tell assembler to change to section NAME for DECL.
+ If DECL is NULL, just switch to section NAME.
+ If NAME is NULL, get the name from DECL.
+ If RELOC is 1, the initializer for DECL contains relocs. */
+extern void named_section PARAMS ((tree, const char *, int));
+
+/* Tell assembler to switch to the section for function DECL. */
+extern void function_section PARAMS ((tree));
+
+/* Tell assembler to switch to the section for string merging. */
+extern void mergeable_string_section PARAMS ((tree, unsigned HOST_WIDE_INT,
+ unsigned int));
+
+/* Tell assembler to switch to the section for constant merging. */
+extern void mergeable_constant_section PARAMS ((enum machine_mode,
+ unsigned HOST_WIDE_INT,
+ unsigned int));
+
+/* Declare DECL to be a weak symbol. */
+extern void declare_weak PARAMS ((tree));
+#endif /* TREE_CODE */
+
+/* Emit any pending weak declarations. */
+extern void weak_finish PARAMS ((void));
+
+/* Decode an `asm' spec for a declaration as a register name.
+ Return the register number, or -1 if nothing specified,
+ or -2 if the ASMSPEC is not `cc' or `memory' and is not recognized,
+ or -3 if ASMSPEC is `cc' and is not recognized,
+ or -4 if ASMSPEC is `memory' and is not recognized.
+ Accept an exact spelling or a decimal number.
+ Prefixes such as % are optional. */
+extern int decode_reg_name PARAMS ((const char *));
+
+#ifdef TREE_CODE
+/* Make the rtl for variable VAR be volatile.
+ Use this only for static variables. */
+extern void make_var_volatile PARAMS ((tree));
+
+/* Output alignment directive to align for constant expression EXP. */
+extern void assemble_constant_align PARAMS ((tree));
+
+extern void assemble_alias PARAMS ((tree, tree));
+
+/* Output a string of literal assembler code
+ for an `asm' keyword used between functions. */
+extern void assemble_asm PARAMS ((tree));
+
+/* Output assembler code for the constant pool of a function and associated
+ with defining the name of the function. DECL describes the function.
+ NAME is the function's name. For the constant pool, we use the current
+ constant pool data. */
+extern void assemble_start_function PARAMS ((tree, const char *));
+
+/* Output assembler code associated with defining the size of the
+ function. DECL describes the function. NAME is the function's name. */
+extern void assemble_end_function PARAMS ((tree, const char *));
+
+/* Assemble everything that is needed for a variable or function declaration.
+ Not used for automatic variables, and not used for function definitions.
+ Should not be called for variables of incomplete structure type.
+
+ TOP_LEVEL is nonzero if this variable has file scope.
+ AT_END is nonzero if this is the special handling, at end of compilation,
+ to define things that have had only tentative definitions.
+ DONT_OUTPUT_DATA if nonzero means don't actually output the
+ initial value (that will be done by the caller). */
+extern void assemble_variable PARAMS ((tree, int, int, int));
+
+/* Output something to declare an external symbol to the assembler.
+ (Most assemblers don't need this, so we normally output nothing.)
+ Do nothing if DECL is not external. */
+extern void assemble_external PARAMS ((tree));
+#endif /* TREE_CODE */
+
+/* Assemble code to leave SIZE bytes of zeros. */
+extern void assemble_zeros PARAMS ((int));
+
+/* Assemble an alignment pseudo op for an ALIGN-bit boundary. */
+extern void assemble_align PARAMS ((int));
+extern void assemble_eh_align PARAMS ((int));
+
+/* Assemble a string constant with the specified C string as contents. */
+extern void assemble_string PARAMS ((const char *, int));
+
+#ifdef RTX_CODE
+/* Similar, for calling a library function FUN. */
+extern void assemble_external_libcall PARAMS ((rtx));
+#endif
+
+/* Declare the label NAME global. */
+extern void assemble_global PARAMS ((const char *));
+
+/* Assemble a label named NAME. */
+extern void assemble_label PARAMS ((const char *));
+extern void assemble_eh_label PARAMS ((const char *));
+
+/* Output to FILE a reference to the assembler name of a C-level name NAME.
+ If NAME starts with a *, the rest of NAME is output verbatim.
+ Otherwise NAME is transformed in an implementation-defined way
+ (usually by the addition of an underscore).
+ Many macros in the tm file are defined to call this function. */
+extern void assemble_name PARAMS ((FILE *, const char *));
+
+/* Return the assembler directive for creating a given kind of integer
+ object. SIZE is the number of bytes in the object and ALIGNED_P
+ indicates whether it is known to be aligned. Return NULL if the
+ assembly dialect has no such directive.
+
+ The returned string should be printed at the start of a new line and
+ be followed immediately by the object's initial value. */
+extern const char *integer_asm_op PARAMS ((int, int));
+
+#ifdef RTX_CODE
+/* Use directive OP to assemble an integer object X. Print OP at the
+ start of the line, followed immediately by the value of X. */
+extern void assemble_integer_with_op PARAMS ((const char *, rtx));
+
+/* The default implementation of the asm_out.integer target hook. */
+extern bool default_assemble_integer PARAMS ((rtx, unsigned int, int));
+
+/* Assemble the integer constant X into an object of SIZE bytes. ALIGN is
+ the alignment of the integer in bits. Return 1 if we were able to output
+ the constant, otherwise 0. If FORCE is non-zero, abort if we can't output
+ the constant. */
+extern bool assemble_integer PARAMS ((rtx, unsigned, unsigned, int));
+
+/* An interface to assemble_integer for the common case in which a value is
+ fully aligned and must be printed. VALUE is the value of the integer
+ object and SIZE is the number of bytes it contains. */
+#define assemble_aligned_integer(SIZE, VALUE) \
+ assemble_integer (VALUE, SIZE, (SIZE) * BITS_PER_UNIT, 1)
+
+#ifdef REAL_VALUE_TYPE
+/* Assemble the floating-point constant D into an object of size MODE. */
+extern void assemble_real PARAMS ((REAL_VALUE_TYPE,
+ enum machine_mode,
+ unsigned));
+#endif
+#endif
+
+/* At the end of a function, forget the memory-constants
+ previously made for CONST_DOUBLEs. Mark them as not on real_constant_chain.
+ Also clear out real_constant_chain and clear out all the chain-pointers. */
+extern void clear_const_double_mem PARAMS ((void));
+
+/* Start deferring output of subconstants. */
+extern void defer_addressed_constants PARAMS ((void));
-/* Name of function now being compiled. */
+/* Stop deferring output of subconstants,
+ and output now all those that have been deferred. */
+extern void output_deferred_addressed_constants PARAMS ((void));
-extern char *current_function_name;
+/* Return the size of the constant pool. */
+extern int get_pool_size PARAMS ((void));
+
+#ifdef HAVE_peephole
+extern rtx peephole PARAMS ((rtx));
+#endif
-/* 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)). */
+#ifdef TREE_CODE
+/* Write all the constants in the constant pool. */
+extern void output_constant_pool PARAMS ((const char *, tree));
-extern rtx current_function_return_rtx;
+/* Return nonzero if VALUE is a valid constant-valued expression
+ for use in initializing a static variable; one that can be an
+ element of a "constant" initializer.
-/* If some insns can be deferred to the delay slots of the epilogue, the
- delay list for them is recorded here. */
+ Return null_pointer_node if the value is absolute;
+ if it is relocatable, return the variable that determines the relocation.
+ We assume that VALUE has been folded as much as possible;
+ therefore, we do not need to check for such things as
+ arithmetic-combinations of integers. */
+extern tree initializer_constant_valid_p PARAMS ((tree, tree));
-extern rtx current_function_epilogue_delay_list;
+/* Output assembler code for constant EXP to FILE, with no label.
+ This includes the pseudo-op such as ".int" or ".byte", and a newline.
+ Assumes output_addressed_constants has been done on EXP already.
-/* Nonzero means generate position-independent code.
- This is not fully implemented yet. */
+ Generate exactly SIZE bytes of assembler data, padding at the end
+ with zeros if necessary. SIZE must always be specified.
-extern int flag_pic;
+ ALIGN is the alignment in bits that may be assumed for the data. */
+extern void output_constant PARAMS ((tree, HOST_WIDE_INT,
+ unsigned int));
+#endif
-/* This is nonzero if the current function uses pic_offset_table_rtx. */
-extern int current_function_uses_pic_offset_table;
+#ifdef RTX_CODE
+/* 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 is nonzero if the current function uses the constant pool. */
-extern int current_function_uses_const_pool;
+ This variable is defined in final.c. */
+extern rtx final_sequence;
+#endif
-/* The line number of the beginning of the current function.
- sdbout.c needs this so that it can output relative linenumbers. */
+/* The line number of the beginning of the current function. Various
+ md code 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;
#ifdef BUFSIZ
extern FILE *asm_out_file;
#endif
+
+/* The first global object in the file. */
+extern const char *first_global_object_name;
+
+/* The first weak object in the file. */
+extern const char *weak_global_object_name;
+
+/* Nonzero if function being compiled doesn't contain any calls
+ (ignoring the prologue and epilogue). This is set prior to
+ local register allocation and is valid for the remaining
+ compiler passes. */
+
+extern int current_function_is_leaf;
+
+/* Nonzero if function being compiled doesn't contain any instructions
+ that can throw an exception. This is set prior to final. */
+
+extern int current_function_nothrow;
+
+/* Nonzero if function being compiled doesn't modify the stack pointer
+ (ignoring the prologue and epilogue). This is only valid after
+ life_analysis has run. */
+
+extern int current_function_sp_is_unchanging;
+
+/* Nonzero if the function being compiled is a leaf function which only
+ uses leaf registers. This is valid after reload (specifically after
+ sched2) and is useful only if the port defines LEAF_REGISTERS. */
+
+extern int current_function_uses_only_leaf_regs;
+
+/* Default file in which to dump debug output. */
+
+#ifdef BUFSIZ
+extern FILE *rtl_dump_file;
+#endif
+
+/* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */
+extern struct rtx_def *current_insn_predicate;
+
+/* Last insn processed by final_scan_insn. */
+extern struct rtx_def *current_output_insn;
+
+/* Decide whether DECL needs to be in a writable section. RELOC is the same
+ as for SELECT_SECTION. */
+
+#define DECL_READONLY_SECTION(DECL,RELOC) \
+ (TREE_READONLY (DECL) \
+ && ! TREE_THIS_VOLATILE (DECL) \
+ && DECL_INITIAL (DECL) \
+ && (DECL_INITIAL (DECL) == error_mark_node \
+ || TREE_CONSTANT (DECL_INITIAL (DECL))) \
+ && ! (RELOC && (flag_pic || DECL_ONE_ONLY (DECL))))
+
+/* User label prefix in effect for this compilation. */
+extern const char *user_label_prefix;
+
+/* This macro gets just the user-specified name
+ out of the string in a SYMBOL_REF. On most machines,
+ we discard the * if any and that's all. */
+#ifndef STRIP_NAME_ENCODING
+#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \
+ (VAR) = ((SYMBOL_NAME) + ((SYMBOL_NAME)[0] == '*'))
+#endif
+/* Assign unique numbers to labels generated for profiling. */
+
+extern int profile_label_no;
+
+/* Default target function prologue and epilogue assembler output. */
+extern void default_function_pro_epilogue PARAMS ((FILE *, HOST_WIDE_INT));
+
+/* Tell assembler to switch to the section for the exception table. */
+extern void default_exception_section PARAMS ((void));
+
+/* Tell assembler to switch to the section for the EH frames. */
+extern void default_eh_frame_section PARAMS ((void));
+
+/* Default target hook that outputs nothing to a stream. */
+extern void no_asm_to_stream PARAMS ((FILE *));
+
+/* Flags controling properties of a section. */
+#define SECTION_ENTSIZE 0x000ff /* entity size in section */
+#define SECTION_CODE 0x00100 /* contains code */
+#define SECTION_WRITE 0x00200 /* data is writable */
+#define SECTION_DEBUG 0x00400 /* contains debug data */
+#define SECTION_LINKONCE 0x00800 /* is linkonce */
+#define SECTION_SMALL 0x01000 /* contains "small data" */
+#define SECTION_BSS 0x02000 /* contains zeros only */
+#define SECTION_FORGET 0x04000 /* forget that we've entered the section */
+#define SECTION_MERGE 0x08000 /* contains mergeable data */
+#define SECTION_STRINGS 0x10000 /* contains zero terminated strings without
+ embedded zeros */
+#define SECTION_MACH_DEP 0x20000 /* subsequent bits reserved for target */
+
+extern unsigned int get_named_section_flags PARAMS ((const char *));
+extern bool set_named_section_flags PARAMS ((const char *, unsigned int));
+extern void named_section_flags PARAMS ((const char *, unsigned int));
+extern bool named_section_first_declaration PARAMS((const char *));
+
+union tree_node;
+extern unsigned int default_section_type_flags PARAMS ((union tree_node *,
+ const char *, int));
+
+extern void default_no_named_section PARAMS ((const char *, unsigned int));
+extern void default_elf_asm_named_section PARAMS ((const char *, unsigned int));
+extern void default_coff_asm_named_section PARAMS ((const char *,
+ unsigned int));
+extern void default_pe_asm_named_section PARAMS ((const char *, unsigned int));
+
+extern void default_stabs_asm_out_destructor PARAMS ((struct rtx_def *, int));
+extern void default_named_section_asm_out_destructor PARAMS ((struct rtx_def *,
+ int));
+extern void default_dtor_section_asm_out_destructor PARAMS ((struct rtx_def *,
+ int));
+extern void default_stabs_asm_out_constructor PARAMS ((struct rtx_def *, int));
+extern void default_named_section_asm_out_constructor PARAMS ((struct rtx_def *,
+ int));
+extern void default_ctor_section_asm_out_constructor PARAMS ((struct rtx_def *,
+ int));
+
+/* Emit data for vtable gc for GNU binutils. */
+extern void assemble_vtable_entry PARAMS ((struct rtx_def *, HOST_WIDE_INT));
+extern void assemble_vtable_inherit PARAMS ((struct rtx_def *,
+ struct rtx_def *));
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