diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/output.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/output.h | 632 |
1 files changed, 0 insertions, 632 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/output.h b/gcc-4.2.1-5666.3/gcc/output.h deleted file mode 100644 index fda098bc3..000000000 --- a/gcc-4.2.1-5666.3/gcc/output.h +++ /dev/null @@ -1,632 +0,0 @@ -/* 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 Free Software Foundation, Inc. - -This file is part of GCC. - -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. - -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 GCC; see the file COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#ifndef GCC_OUTPUT_H -#define GCC_OUTPUT_H - -/* Initialize data in final at the beginning of a compilation. */ -extern void init_final (const char *); - -/* Enable APP processing of subsequent output. - Used before the output from an `asm' statement. */ -extern void app_enable (void); - -/* Disable APP processing of subsequent output. - Called from varasm.c before most kinds of output. */ -extern void app_disable (void); - -/* 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 (void); - -/* Indicate that branch shortening hasn't yet been done. */ -extern void init_insn_lengths (void); - -/* 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); - -/* 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); - -/* 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); - -/* 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); - -/* 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 (void); - -/* Output assembler code for some insns: all or part of a function. */ -extern void final (rtx, 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 *); - -/* Replace a SUBREG with a REG or a MEM, based on the thing it is a - subreg of. */ -extern rtx alter_subreg (rtx *); - -/* 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 (const char *, ...) ATTRIBUTE_PRINTF_1; - -/* Output a string of assembler code, substituting insn operands. - Defined in final.c. */ -extern void output_asm_insn (const char *, rtx *); - -/* 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); - -/* Find the alignment associated with a CODE_LABEL. - Defined in final.c. */ -extern int label_to_alignment (rtx); - -/* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */ -extern void output_asm_label (rtx); - -/* Print a memory reference operand for address X - using machine-dependent assembler syntax. */ -extern void output_address (rtx); - -/* 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 (FILE *, rtx); - -/* Output a string of assembler code, substituting numbers, strings - 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 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); - -/* Return 1 if this function uses only the registers that can be - safely renumbered. */ -extern int only_leaf_regs_used (void); - -/* Scan IN_RTX and its subexpressions, and renumber all regs into those - available in leaf functions. */ -extern void leaf_renumber_regs_insn (rtx); - -/* Locate the proper template for the given insn-code. */ -extern const char *get_insn_template (int, rtx); - -/* Functions in flow.c */ -extern int regno_clobbered_at_setjmp (int); - -/* 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); - -/* 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 (const char *); - -extern void assemble_alias (tree, tree); - -extern void default_assemble_visibility (tree, int); - -/* Output a string of literal assembler code - for an `asm' keyword used between functions. */ -extern void assemble_asm (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 (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 (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 (tree, int, int, int); - -/* 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); - -/* 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 (tree); - -/* Assemble code to leave SIZE bytes of zeros. */ -extern void assemble_zeros (unsigned HOST_WIDE_INT); - -/* Assemble an alignment pseudo op for an ALIGN-bit boundary. */ -extern void assemble_align (int); - -/* Assemble a string constant with the specified C string as contents. */ -extern void assemble_string (const char *, int); - -/* Similar, for calling a library function FUN. */ -extern void assemble_external_libcall (rtx); - -/* Assemble a label named NAME. */ -extern void assemble_label (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 - NAME is transformed in a target-specific way (usually by the - addition of an underscore). */ -extern void assemble_name_raw (FILE *, const char *); - -/* Like assemble_name_raw, but should be used when NAME might refer to - an entity that is also represented as a tree (like a function or - variable). If NAME does refer to such an entity, that entity will - be marked as referenced. */ -extern void assemble_name (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 (int, int); - -/* 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 (const char *, rtx); - -/* The default implementation of the asm_out.integer target hook. */ -extern bool default_assemble_integer (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 nonzero the constant must - be outputable. */ -extern bool assemble_integer (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_SIZE -/* Assemble the floating-point constant D into an object of size MODE. */ -extern void assemble_real (REAL_VALUE_TYPE, enum machine_mode, unsigned); -#endif - -/* Return the size of the constant pool. */ -extern int get_pool_size (void); - -#ifdef HAVE_peephole -extern rtx peephole (rtx); -#endif - -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 (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); - -/* When outputting delayed branch sequences, this rtx holds the - sequence being output. It is null when no delayed branch - sequence is being output, so it can be used as a test in the - insn output code. - - This variable is defined in final.c. */ -extern rtx final_sequence; - -/* 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; -#endif - -/* File in which assembler code is being written. */ - -#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 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 *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; - -/* 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; - -/* Carry information from ASM_DECLARE_OBJECT_NAME - to ASM_FINISH_DECLARE_OBJECT. */ -extern int size_directive_output; -extern tree last_assemble_variable_decl; - -extern bool first_function_block_is_cold; - -/* Decide whether DECL needs to be in a writable section. - RELOC is the same as for SELECT_SECTION. */ -extern bool decl_readonly_section (tree, int); - -/* This can be used to compute RELOC for the function above, when - given a constant expression. */ -extern int compute_reloc_for_constant (tree); - -/* User label prefix in effect for this compilation. */ -extern const char *user_label_prefix; - -/* Default target function prologue and epilogue assembler output. */ -extern void default_function_pro_epilogue (FILE *, HOST_WIDE_INT); - -/* Default target hook that outputs nothing to a stream. */ -extern void no_asm_to_stream (FILE *); - -/* Flags controlling 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_OVERRIDE 0x20000 /* allow override of default flags */ -#define SECTION_TLS 0x40000 /* contains thread-local storage */ -#define SECTION_NOTYPE 0x80000 /* don't output @progbits */ -#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 */ - -/* This SECTION_STYLE is used for unnamed sections that we can switch - to using a special assembler directive. */ -#define SECTION_UNNAMED 0x000000 - -/* This SECTION_STYLE is used for named sections that we can switch - to using a general section directive. */ -#define SECTION_NAMED 0x200000 - -/* This SECTION_STYLE is used for sections that we cannot switch to at - all. The choice of section is implied by the directive that we use - to declare the object. */ -#define SECTION_NOSWITCH 0x400000 - -/* A helper function for default_elf_select_section and - default_elf_unique_section. Categorizes the DECL. */ - -enum section_category -{ - SECCAT_TEXT, - - SECCAT_RODATA, - SECCAT_RODATA_MERGE_STR, - SECCAT_RODATA_MERGE_STR_INIT, - SECCAT_RODATA_MERGE_CONST, - SECCAT_SRODATA, - - SECCAT_DATA, - - /* To optimize loading of shared programs, define following subsections - of data section: - _REL Contains data that has relocations, so they get grouped - together and dynamic linker will visit fewer pages in memory. - _RO Contains data that is otherwise read-only. This is useful - with prelinking as most relocations won't be dynamically - linked and thus stay read only. - _LOCAL Marks data containing relocations only to local objects. - These relocations will get fully resolved by prelinking. */ - SECCAT_DATA_REL, - SECCAT_DATA_REL_LOCAL, - SECCAT_DATA_REL_RO, - SECCAT_DATA_REL_RO_LOCAL, - - SECCAT_SDATA, - SECCAT_TDATA, - - SECCAT_BSS, - SECCAT_SBSS, - SECCAT_TBSS -}; - -/* Information that is provided by all instances of the section type. */ -struct section_common GTY(()) { - /* The set of SECTION_* flags that apply to this section. */ - unsigned int flags; -}; - -/* Information about a SECTION_NAMED section. */ -struct named_section GTY(()) { - struct section_common common; - - /* The name of the section. */ - const char *name; - - /* If nonnull, the VAR_DECL or FUNCTION_DECL with which the - section is associated. */ - tree decl; -}; - -/* A callback that writes the assembly code for switching to an unnamed - section. The argument provides callback-specific data. */ -typedef void (*unnamed_section_callback) (const void *); - -/* Information about a SECTION_UNNAMED section. */ -struct unnamed_section GTY(()) { - struct section_common common; - - /* The callback used to switch to the section, and the data that - should be passed to the callback. */ - unnamed_section_callback GTY ((skip)) callback; - const void *GTY ((skip)) data; - - /* The next entry in the chain of unnamed sections. */ - section *next; -}; - -/* 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 noswitch_section GTY(()) { - struct section_common common; - - /* The callback used to assemble decls in this section. */ - noswitch_section_callback GTY ((skip)) callback; -}; - -/* Information about a section, which may be named or unnamed. */ -union section GTY ((desc ("SECTION_STYLE (&(%h))"))) -{ - 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 void *), - const void *); -extern section *get_section (const char *, unsigned int, tree); -extern section *get_named_section (tree, const char *, int); -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, - unsigned HOST_WIDE_INT, - unsigned int); -extern section *function_section (tree); -extern section *unlikely_text_section (void); -extern section *current_function_section (void); - -extern bool unlikely_text_section_p (section *); -extern void switch_to_section (section *); -extern void output_section_asm_op (const void *); - -extern unsigned int default_section_type_flags (tree, const char *, int); - -extern bool have_global_bss_p (void); -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 (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 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); -extern section *default_no_function_rodata_section (tree); -extern section *default_select_rtx_section (enum machine_mode, rtx, - unsigned HOST_WIDE_INT); -extern section *default_elf_select_rtx_section (enum 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 (rtx); -extern bool default_binds_local_p (tree); -extern bool default_binds_local_p_1 (tree, int); -extern void default_globalize_label (FILE *, const char *); -extern void default_emit_unwind_label (FILE *, tree, int, int); -extern void default_emit_except_table_label (FILE *); -extern void default_internal_label (FILE *, const char *, unsigned long); -extern void default_file_start (void); -extern void file_end_indicate_exec_stack (void); -extern bool default_valid_pointer_mode (enum machine_mode); - -extern int default_address_cost (rtx); - -/* dbxout helper functions */ -#if defined DBX_DEBUGGING_INFO || defined XCOFF_DEBUGGING_INFO - -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 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 *); - -#endif - -#endif /* ! GCC_OUTPUT_H */ |