/* Declarations for insn-output.c. These functions are defined in recog.c,
final.c, and varasm.c.
Copyright (C) 1987, 1991, 1994, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, 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. */
+
+/* Compute branch alignments based on frequency information in the CFG. */
+extern void compute_alignments PARAMS ((void));
/* Initialize data in final at the beginning of a compilation. */
extern void init_final PARAMS ((const char *));
Called from varasm.c before most kinds of output. */
extern void app_disable PARAMS ((void));
-/* Return the number of slots filled in the current
+/* 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));
/* 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 ((rtx, FILE *, int));
+extern void final_end_function PARAMS ((void));
/* Output assembler code for some insns: all or part of a function. */
extern void final PARAMS ((rtx, FILE *, int, int));
/* 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));
/* 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 ((int));
extern int regno_clobbered_at_setjmp PARAMS ((int));
extern void find_basic_blocks PARAMS ((rtx, int, FILE *));
-extern void cleanup_cfg PARAMS ((void));
+extern bool cleanup_cfg PARAMS ((int));
extern void check_function_return_warnings PARAMS ((void));
#endif
/* Determine if we're in the text section. */
extern int in_text_section PARAMS ((void));
-#ifdef EH_FRAME_SECTION_ASM_OP
-extern void eh_frame_section PARAMS ((void));
-#endif
-
#ifdef CTORS_SECTION_ASM_OP
extern void ctors_section PARAMS ((void));
#endif
extern void assemble_external PARAMS ((tree));
#endif /* TREE_CODE */
-/* Record an element in the table of global destructors.
- How this is done depends on what sort of assembler and linker
- are in use.
-
- NAME should be the name of a global function to be called
- at exit time. This name is output using assemble_name. */
-extern void assemble_destructor PARAMS ((const char *));
-
-/* Likewise for global constructors. */
-extern void assemble_constructor PARAMS ((const char *));
-
-/* Likewise for entries we want to record for garbage collection.
- Garbage collection is still under development. */
-extern void assemble_gc_entry PARAMS ((const char *));
-
/* Assemble code to leave SIZE bytes of zeros. */
extern void assemble_zeros PARAMS ((int));
extern void assemble_name PARAMS ((FILE *, const char *));
#ifdef RTX_CODE
-/* Assemble the integer constant X into an object of SIZE bytes.
- X must be either a CONST_INT or CONST_DOUBLE.
-
- 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 int assemble_integer PARAMS ((rtx, int, int));
-extern int assemble_eh_integer PARAMS ((rtx, 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 int assemble_integer PARAMS ((rtx, unsigned, unsigned, int));
#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));
+ enum machine_mode,
+ unsigned));
#endif
#endif
Assumes output_addressed_constants has been done on EXP already.
Generate exactly SIZE bytes of assembler data, padding at the end
- with zeros if necessary. SIZE must always be specified. */
-extern void output_constant PARAMS ((tree, int));
+ with zeros if necessary. SIZE must always be specified.
+
+ ALIGN is the alignment in bits that may be assumed for the data. */
+extern void output_constant PARAMS ((tree, int, unsigned));
#endif
#ifdef RTX_CODE
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;
/* 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_CODE 1 /* contains code */
+#define SECTION_WRITE 2 /* data is writable */
+#define SECTION_DEBUG 4 /* contains debug data */
+#define SECTION_LINKONCE 8 /* is linkonce */
+#define SECTION_SMALL 16 /* contains "small data" */
+#define SECTION_BSS 32 /* contains zeros only */
+#define SECTION_FORGET 64 /* forget that we've entered the section */
+#define SECTION_MACH_DEP 128 /* 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));
+
+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));
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