/* 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 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of GCC.
/* Initialize data in final at the beginning of a compilation. */
extern void init_final PARAMS ((const char *));
-/* Called at end of source file,
- to output the block-profiling table for this entire compilation. */
-extern void end_final PARAMS ((const char *));
-
/* Enable APP processing of subsequent output.
Used before the output from an `asm' statement. */
extern void app_enable PARAMS ((void));
/* Indicate that branch shortening hasn't yet been done. */
extern void init_insn_lengths PARAMS ((void));
-#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));
/* 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 rtx alter_subreg PARAMS ((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 PARAMS ((const char *));
+extern void output_operand_lossage PARAMS ((const char *, ...)) ATTRIBUTE_PRINTF_1;
/* Output a string of assembler code, substituting insn operands.
Defined in final.c. */
/* Return nonzero if this function has no function calls. */
extern int leaf_function_p PARAMS ((void));
-/* Return 1 if branch is an forward branch.
+/* 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 PARAMS ((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 *));
+extern int add_weak PARAMS ((tree, 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_uninitialized PARAMS ((unsigned int));
extern int regno_clobbered_at_setjmp PARAMS ((int));
extern void find_basic_blocks PARAMS ((rtx, int, FILE *));
-extern void cleanup_cfg PARAMS ((int));
+extern bool cleanup_cfg PARAMS ((int));
+extern bool delete_unreachable_blocks PARAMS ((void));
extern void check_function_return_warnings PARAMS ((void));
-#endif
/* Functions in varasm.c. */
/* Tell assembler to switch to data section. */
extern void data_section PARAMS ((void));
-/* Tell assembler to make sure its in the data section. */
-extern void force_data_section PARAMS ((void));
-
/* Tell assembler to switch to read-only data section. This is normally
the text section. */
extern void readonly_data_section PARAMS ((void));
-/* Determine if we're in the text section. */
+/* Determine if we're in the text section. */
extern int in_text_section PARAMS ((void));
#ifdef CTORS_SECTION_ASM_OP
extern void fini_section PARAMS ((void));
#endif
+#ifdef EXPORTS_SECTION_ASM_OP
+extern void exports_section PARAMS ((void));
+#endif
+
#ifdef TDESC_SECTION_ASM_OP
extern void tdesc_section PARAMS ((void));
#endif
-#ifdef TREE_CODE
+#ifdef DRECTVE_SECTION_ASM_OP
+extern void drectve_section PARAMS ((void));
+#endif
+
+#ifdef SDATA_SECTION_ASM_OP
+extern void sdata_section PARAMS ((void));
+#endif
+
+#ifdef RDATA_SECTION_ASM_OP
+extern void rdata_section PARAMS ((void));
+#endif
+
/* 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.
/* Tell assembler to switch to the section for function DECL. */
extern void function_section PARAMS ((tree));
-/* Tell assembler to switch to the section for the exception table. */
-extern void exception_section PARAMS ((void));
+/* 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 */
+/* Merge weak status. */
+extern void merge_weak PARAMS ((tree, tree));
/* Emit any pending weak declarations. */
extern void weak_finish PARAMS ((void));
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));
+extern void default_assemble_visibility PARAMS ((tree, int));
+
/* Output a string of literal assembler code
for an `asm' keyword used between functions. */
extern void assemble_asm PARAMS ((tree));
(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));
+extern void assemble_zeros PARAMS ((unsigned HOST_WIDE_INT));
/* Assemble an alignment pseudo op for an ALIGN-bit boundary. */
extern void assemble_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 *));
Many macros in the tm file are defined to call this function. */
extern void assemble_name PARAMS ((FILE *, const char *));
-#ifdef RTX_CODE
+/* 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));
+
+/* 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, otherwise 0. If FORCE is nonzero, abort if we can't output
the constant. */
-extern int assemble_integer PARAMS ((rtx, unsigned, unsigned, int));
+extern bool assemble_integer PARAMS ((rtx, unsigned, unsigned, int));
-#ifdef REAL_VALUE_TYPE
+/* 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 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));
-
-/* Stop deferring output of subconstants,
- and output now all those that have been deferred. */
-extern void output_deferred_addressed_constants PARAMS ((void));
/* Return the size of the constant pool. */
extern int get_pool_size PARAMS ((void));
extern rtx peephole PARAMS ((rtx));
#endif
-#ifdef TREE_CODE
/* Write all the constants in the constant pool. */
extern void output_constant_pool PARAMS ((const char *, tree));
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
+extern void output_constant PARAMS ((tree, unsigned HOST_WIDE_INT,
+ unsigned int));
-#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
This variable is defined in final.c. */
extern rtx final_sequence;
-#endif
/* The line number of the beginning of the current function. Various
md code needs this so that it can output relative linenumbers. */
/* 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. */
+ 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. */
+ life_analysis has run. */
extern int current_function_sp_is_unchanging;
/* 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. */
+/* Nonzero while outputting an `asm' with operands.
+ This means that inconsistencies are the user's fault, so don't abort.
+ The precise value is the insn being output, to pass to error_for_asm. */
+extern rtx this_is_asm_operands;
-#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))))
+/* Decide whether DECL needs to be in a writable section.
+ RELOC is the same as for SELECT_SECTION. */
+extern bool decl_readonly_section PARAMS ((tree, int));
+extern bool decl_readonly_section_1 PARAMS ((tree, int, int));
/* 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_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 */
+/* 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_MACH_DEP 0x100000 /* 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 unsigned int default_section_type_flags_1 PARAMS ((union tree_node *,
+ const char *,
+ int, int));
extern void default_no_named_section PARAMS ((const char *, unsigned int));
extern void default_elf_asm_named_section PARAMS ((const char *, unsigned int));
int));
extern void default_ctor_section_asm_out_constructor PARAMS ((struct rtx_def *,
int));
+
+extern void default_select_section PARAMS ((tree, int,
+ unsigned HOST_WIDE_INT));
+extern void default_elf_select_section PARAMS ((tree, int,
+ unsigned HOST_WIDE_INT));
+extern void default_elf_select_section_1 PARAMS ((tree, int,
+ unsigned HOST_WIDE_INT, int));
+extern void default_unique_section PARAMS ((tree, int));
+extern void default_unique_section_1 PARAMS ((tree, int, int));
+extern void default_select_rtx_section PARAMS ((enum machine_mode, rtx,
+ unsigned HOST_WIDE_INT));
+extern void default_elf_select_rtx_section PARAMS ((enum machine_mode, rtx,
+ unsigned HOST_WIDE_INT));
+extern void default_encode_section_info PARAMS ((tree, rtx, int));
+extern const char *default_strip_name_encoding PARAMS ((const char *));
+extern bool default_binds_local_p PARAMS ((tree));
+extern bool default_binds_local_p_1 PARAMS ((tree, int));
+extern void default_globalize_label PARAMS ((FILE *, const char *));
+extern void default_internal_label PARAMS ((FILE *, const char *, unsigned long));
+extern bool default_valid_pointer_mode PARAMS ((enum machine_mode));
+
+/* 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 *));
+
+extern int default_address_cost PARAMS ((rtx));
OSDN Git Service
