-/* 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, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+/* Declarations for insn-output.c and other code to write to asm_out_file.
+ These functions are defined in final.c, and varasm.c.
+ Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of GCC.
/* 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 (rtx);
+extern int get_attr_length (rtx_insn *);
/* Obtain the current length of an insn. If branch shortening has been done,
get its actual length. Otherwise, get its minimum length. */
-extern int get_attr_min_length (rtx);
+extern int get_attr_min_length (rtx_insn *);
/* Make a pass over all insns and compute their actual lengths by shortening
any branches of variable length if possible. */
-extern void shorten_branches (rtx);
+extern void shorten_branches (rtx_insn *);
+
+const char *get_some_local_dynamic_name ();
/* 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 (rtx, FILE *, int);
+extern void final_start_function (rtx_insn *, FILE *, int);
/* Output assembler code for the end of a function.
For clarity, args are same as those of `final_start_function'
extern void final_end_function (void);
/* Output assembler code for some insns: all or part of a function. */
-extern void final (rtx, FILE *, int);
+extern void final (rtx_insn *, FILE *, int);
/* 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 (rtx, FILE *, int, int, int *);
+extern rtx_insn *final_scan_insn (rtx_insn *, FILE *, int, int, int *);
/* Replace a SUBREG with a REG or a MEM, based on the thing it is a
subreg of. */
-extern rtx alter_subreg (rtx *);
+extern rtx alter_subreg (rtx *, bool);
+
+/* Print an operand using machine-dependent assembler syntax. */
+extern void output_operand (rtx, int);
/* Report inconsistency between the assembler template and the operands.
In an `asm', it's the user's fault; otherwise, the compiler's fault. */
/* 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 (rtx);
+extern int insn_current_reference_address (rtx_insn *);
/* Find the alignment associated with a CODE_LABEL.
Defined in final.c. */
extern int label_to_alignment (rtx);
+/* Find the alignment maximum skip associated with a CODE_LABEL.
+ Defined in final.c. */
+extern int label_to_max_skip (rtx);
+
/* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */
extern void output_asm_label (rtx);
+/* Marks SYMBOL_REFs in x as referenced through use of assemble_external. */
+extern void mark_symbol_refs_as_used (rtx);
+
/* Print a memory reference operand for address X
using machine-dependent assembler syntax. */
extern void output_address (rtx);
and fixed syntactic prefixes. */
#if GCC_VERSION >= 3004
#define ATTRIBUTE_ASM_FPRINTF(m, n) __attribute__ ((__format__ (__asm_fprintf__, m, n))) ATTRIBUTE_NONNULL(m)
-/* This is a magic identifier which allows GCC to figure out the type
- of HOST_WIDE_INT for %wd specifier checks. You must issue this
- typedef before using the __asm_fprintf__ format attribute. */
-typedef HOST_WIDE_INT __gcc_host_wide_int__;
#else
#define ATTRIBUTE_ASM_FPRINTF(m, n) ATTRIBUTE_NONNULL(m)
#endif
+extern void fprint_whex (FILE *, unsigned HOST_WIDE_INT);
+extern void fprint_ul (FILE *, unsigned long);
+extern int sprint_ul (char *, unsigned long);
+
extern void asm_fprintf (FILE *file, const char *p, ...)
ATTRIBUTE_ASM_FPRINTF(2, 3);
-/* Split up a CONST_DOUBLE or integer constant rtx into two rtx's for single
- words. */
-extern void split_double (rtx, rtx *, rtx *);
-
/* Return nonzero if this function has no function calls. */
extern int leaf_function_p (void);
/* Return 1 if branch is a 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 (rtx);
+extern int final_forward_branch_p (rtx_insn *);
/* Return 1 if this function uses only the registers that can be
safely renumbered. */
/* Functions in varasm.c. */
-/* Declare DECL to be a weak symbol. */
-extern void declare_weak (tree);
-/* Merge weak status. */
-extern void merge_weak (tree, tree);
-
/* Emit any pending weak declarations. */
extern void weak_finish (void);
-/* Emit any pending emutls declarations and initializations. */
-extern void emutls_finish (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,
Prefixes such as % are optional. */
extern int decode_reg_name (const char *);
-extern void assemble_alias (tree, tree);
+/* Similar to decode_reg_name, but takes an extra parameter that is a
+ pointer to the number of (internal) registers described by the
+ external name. */
+extern int decode_reg_name_and_count (const char *, int *);
+
+extern void do_assemble_alias (tree, tree);
extern void default_assemble_visibility (tree, int);
for an `asm' keyword used between functions. */
extern void assemble_asm (tree);
+/* Get the function's name from a decl, as described by its RTL. */
+extern const char *get_fnname_from_decl (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
initial value (that will be done by the caller). */
extern void assemble_variable (tree, int, int, int);
+/* Put the vtable verification constructor initialization function
+ into the preinit array. */
+extern void assemble_vtv_preinit_initializer (tree);
+
+/* Assemble everything that is needed for a variable declaration that has
+ no definition in the current translation unit. */
+extern void assemble_undefined_decl (tree);
+
/* Compute the alignment of variable specified by DECL.
DONT_OUTPUT_DATA is from assemble_variable. */
extern void align_variable (tree decl, bool dont_output_data);
extern void assemble_external_libcall (rtx);
/* Assemble a label named NAME. */
-extern void assemble_label (const char *);
+extern void assemble_label (FILE *, const char *);
/* Output to FILE (an assembly file) a reference to NAME. If NAME
starts with a *, the rest of NAME is output verbatim. Otherwise
be outputable. */
extern bool assemble_integer (rtx, unsigned, unsigned, int);
+/* Return section for TEXT_SECITON_NAME if DECL or DECL_SECTION_NAME (DECL)
+ is NULL. */
+extern section *get_named_text_section (tree, const char *, const char *);
+
/* 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. */
#ifdef REAL_VALUE_TYPE_SIZE
/* Assemble the floating-point constant D into an object of size MODE. */
-extern void assemble_real (REAL_VALUE_TYPE, enum machine_mode, unsigned);
+extern void assemble_real (REAL_VALUE_TYPE, machine_mode, unsigned);
#endif
/* Write the address of the entity given by SYMBOL to SEC. */
/* Return the size of the constant pool. */
extern int get_pool_size (void);
-#ifdef HAVE_peephole
-extern rtx peephole (rtx);
-#endif
+extern rtx_insn *peephole (rtx_insn *);
extern void output_shared_constant_pool (void);
extern void output_object_blocks (void);
-/* Whether a constructor CTOR is a valid static constant initializer if all
- its elements are. This used to be internal to initializer_constant_valid_p
- and has been exposed to let other functions like categorize_ctor_elements
- evaluate the property while walking a constructor for other purposes. */
-
-extern bool constructor_static_from_elts_p (const_tree);
-
-/* 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.
-
- 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 (tree, tree);
-
-/* 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.
-
- Generate exactly SIZE bytes of assembler data, padding at the end
- 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 (tree, unsigned HOST_WIDE_INT, unsigned int);
+extern void output_quoted_string (FILE *, const char *);
/* When outputting delayed branch sequences, this rtx holds the
sequence being output. It is null when no delayed branch
insn output code.
This variable is defined in final.c. */
-extern rtx final_sequence;
+extern rtx_sequence *final_sequence;
/* The line number of the beginning of the current function. Various
md code needs this so that it can output relative linenumbers. */
/* 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 modify the stack pointer
- (ignoring the prologue and epilogue). This is only valid after
- pass_stack_ptr_mod 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 *dump_file;
-#endif
-
/* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */
extern rtx current_insn_predicate;
/* Last insn processed by final_scan_insn. */
-extern rtx current_output_insn;
+extern rtx_insn *current_output_insn;
/* Nonzero while outputting an `asm' with operands.
This means that inconsistencies are the user's fault, so don't die.
The precise value is the insn being output, to pass to error_for_asm. */
-extern rtx this_is_asm_operands;
+extern const rtx_insn *this_is_asm_operands;
/* Carry information from ASM_DECLARE_OBJECT_NAME
to ASM_FINISH_DECLARE_OBJECT. */
/* Default target function prologue and epilogue assembler output. */
extern void default_function_pro_epilogue (FILE *, HOST_WIDE_INT);
+/* Default target function switched text sections. */
+extern void default_function_switched_text_sections (FILE *, tree, bool);
+
/* Default target hook that outputs nothing to a stream. */
extern void no_asm_to_stream (FILE *);
#define SECTION_DECLARED 0x100000 /* section has been used */
#define SECTION_STYLE_MASK 0x600000 /* bits used for SECTION_STYLE */
#define SECTION_COMMON 0x800000 /* contains common data */
-#define SECTION_MACH_DEP 0x1000000 /* subsequent bits reserved for target */
+#define SECTION_RELRO 0x1000000 /* data is readonly after relocation processing */
+#define SECTION_EXCLUDE 0x2000000 /* discarded by the linker */
+#define SECTION_MACH_DEP 0x4000000 /* subsequent bits reserved for target */
/* This SECTION_STYLE is used for unnamed sections that we can switch
to using a special assembler directive. */
};
/* Information that is provided by all instances of the section type. */
-struct section_common GTY(()) {
+struct GTY(()) section_common {
/* The set of SECTION_* flags that apply to this section. */
unsigned int flags;
};
/* Information about a SECTION_NAMED section. */
-struct named_section GTY(()) {
+struct GTY(()) named_section {
struct section_common common;
/* The name of the section. */
typedef void (*unnamed_section_callback) (const void *);
/* Information about a SECTION_UNNAMED section. */
-struct unnamed_section GTY(()) {
+struct GTY(()) unnamed_section {
struct section_common common;
/* The callback used to switch to the section, and the data that
unsigned HOST_WIDE_INT rounded);
/* Information about a SECTION_NOSWITCH section. */
-struct noswitch_section GTY(()) {
+struct GTY(()) noswitch_section {
struct section_common common;
/* The callback used to assemble decls in this section. */
};
/* Information about a section, which may be named or unnamed. */
-union section GTY ((desc ("SECTION_STYLE (&(%h))")))
-{
+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;
const void *);
extern section *get_section (const char *, unsigned int, tree);
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 (enum machine_mode,
+extern section *mergeable_constant_section (machine_mode,
unsigned HOST_WIDE_INT,
unsigned int);
extern section *function_section (tree);
extern void switch_to_section (section *);
extern void output_section_asm_op (const void *);
+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);
+
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_stabs_asm_out_destructor (rtx, int);
extern void default_named_section_asm_out_destructor (rtx, int);
extern void default_dtor_section_asm_out_destructor (rtx, int);
-extern void default_stabs_asm_out_constructor (rtx, int);
extern void default_named_section_asm_out_constructor (rtx, int);
extern void default_ctor_section_asm_out_constructor (rtx, int);
extern void default_unique_section (tree, int);
extern section *default_function_rodata_section (tree);
extern section *default_no_function_rodata_section (tree);
-extern section *default_select_rtx_section (enum machine_mode, rtx,
+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 (enum machine_mode, rtx,
+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 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 bool default_valid_pointer_mode (enum machine_mode);
+extern void file_end_indicate_split_stack (void);
extern void default_elf_asm_output_external (FILE *file, tree,
const char *);
-extern int maybe_assemble_visibility (tree);
-
-extern int default_address_cost (rtx);
-
-/* dbxout helper functions */
-#if defined DBX_DEBUGGING_INFO || defined XCOFF_DEBUGGING_INFO
+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 dbxout_int (int);
-extern void dbxout_stabd (int, int);
-extern void dbxout_begin_stabn (int);
-extern void dbxout_begin_stabn_sline (int);
-extern void dbxout_begin_empty_stabs (int);
-extern void dbxout_begin_simple_stabs (const char *, int);
-extern void dbxout_begin_simple_stabs_desc (const char *, int, int);
+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 void dbxout_stab_value_zero (void);
-extern void dbxout_stab_value_label (const char *);
-extern void dbxout_stab_value_label_diff (const char *, const char *);
-extern void dbxout_stab_value_internal_label (const char *, int *);
-extern void dbxout_stab_value_internal_label_diff (const char *, int *,
- const char *);
+extern int default_address_cost (rtx, machine_mode, addr_space_t, bool);
-#endif
+/* Output stack usage information. */
+extern void output_stack_usage (void);
#endif /* ! GCC_OUTPUT_H */
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