| /* Front-end tree definitions for GNU compiler. |
| Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
| 2001, 2002, 2003, 2004 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, 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| #ifndef GCC_TREE_H |
| #define GCC_TREE_H |
| |
| #include "machmode.h" |
| #include "version.h" |
| #include "location.h" |
| |
| /* Codes of tree nodes */ |
| |
| #define DEFTREECODE(SYM, STRING, TYPE, NARGS) SYM, |
| |
| enum tree_code { |
| #include "tree.def" |
| |
| LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for |
| NUM_TREE_CODE. */ |
| }; |
| |
| #undef DEFTREECODE |
| |
| /* Number of language-independent tree codes. */ |
| #define NUM_TREE_CODES ((int) LAST_AND_UNUSED_TREE_CODE) |
| |
| /* Indexed by enum tree_code, contains a character which is |
| `<' for a comparison expression, `1', for a unary arithmetic |
| expression, `2' for a binary arithmetic expression, `e' for |
| other types of expressions, `r' for a reference, `c' for a |
| constant, `d' for a decl, `t' for a type, `s' for a statement, |
| and `x' for anything else (TREE_LIST, IDENTIFIER, etc). */ |
| |
| #define MAX_TREE_CODES 256 |
| extern const char tree_code_type[]; |
| #define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)] |
| |
| /* Returns nonzero iff CLASS is the tree-code class of an |
| expression. */ |
| |
| #define IS_EXPR_CODE_CLASS(CLASS) \ |
| ((CLASS) == '<' || (CLASS) == '1' || (CLASS) == '2' || (CLASS) == 'e') |
| |
| /* Number of argument-words in each kind of tree-node. */ |
| |
| extern const unsigned char tree_code_length[]; |
| #define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)] |
| |
| /* Names of tree components. */ |
| |
| extern const char *const tree_code_name[]; |
| |
| /* Classify which part of the compiler has defined a given builtin function. |
| Note that we assume below that this is no more than two bits. */ |
| enum built_in_class |
| { |
| NOT_BUILT_IN = 0, |
| BUILT_IN_FRONTEND, |
| BUILT_IN_MD, |
| BUILT_IN_NORMAL |
| }; |
| |
| /* Names for the above. */ |
| extern const char *const built_in_class_names[4]; |
| |
| /* Codes that identify the various built in functions |
| so that expand_call can identify them quickly. */ |
| |
| #define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT) ENUM, |
| enum built_in_function |
| { |
| #include "builtins.def" |
| |
| /* Upper bound on non-language-specific builtins. */ |
| END_BUILTINS |
| }; |
| #undef DEF_BUILTIN |
| |
| /* Names for the above. */ |
| extern const char *const built_in_names[(int) END_BUILTINS]; |
| |
| /* An array of _DECL trees for the above. */ |
| extern tree built_in_decls[(int) END_BUILTINS]; |
| |
| /* The definition of tree nodes fills the next several pages. */ |
| |
| /* A tree node can represent a data type, a variable, an expression |
| or a statement. Each node has a TREE_CODE which says what kind of |
| thing it represents. Some common codes are: |
| INTEGER_TYPE -- represents a type of integers. |
| ARRAY_TYPE -- represents a type of pointer. |
| VAR_DECL -- represents a declared variable. |
| INTEGER_CST -- represents a constant integer value. |
| PLUS_EXPR -- represents a sum (an expression). |
| |
| As for the contents of a tree node: there are some fields |
| that all nodes share. Each TREE_CODE has various special-purpose |
| fields as well. The fields of a node are never accessed directly, |
| always through accessor macros. */ |
| |
| /* Every kind of tree node starts with this structure, |
| so all nodes have these fields. |
| |
| See the accessor macros, defined below, for documentation of the |
| fields. */ |
| |
| struct tree_common GTY(()) |
| { |
| tree chain; |
| tree type; |
| |
| ENUM_BITFIELD(tree_code) code : 8; |
| |
| unsigned side_effects_flag : 1; |
| unsigned constant_flag : 1; |
| unsigned addressable_flag : 1; |
| unsigned volatile_flag : 1; |
| unsigned readonly_flag : 1; |
| unsigned unsigned_flag : 1; |
| unsigned asm_written_flag: 1; |
| unsigned unused_0 : 1; |
| |
| unsigned used_flag : 1; |
| unsigned nothrow_flag : 1; |
| unsigned static_flag : 1; |
| unsigned public_flag : 1; |
| unsigned private_flag : 1; |
| unsigned protected_flag : 1; |
| unsigned bounded_flag : 1; |
| unsigned deprecated_flag : 1; |
| |
| unsigned lang_flag_0 : 1; |
| unsigned lang_flag_1 : 1; |
| unsigned lang_flag_2 : 1; |
| unsigned lang_flag_3 : 1; |
| unsigned lang_flag_4 : 1; |
| unsigned lang_flag_5 : 1; |
| unsigned lang_flag_6 : 1; |
| unsigned unused_1 : 1; |
| }; |
| |
| /* The following table lists the uses of each of the above flags and |
| for which types of nodes they are defined. Note that expressions |
| include decls. |
| |
| addressable_flag: |
| |
| TREE_ADDRESSABLE in |
| VAR_DECL, FUNCTION_DECL, FIELD_DECL, CONSTRUCTOR, LABEL_DECL, |
| ..._TYPE, IDENTIFIER_NODE. |
| In a STMT_EXPR, it means we want the result of the enclosed |
| expression. |
| |
| static_flag: |
| |
| TREE_STATIC in |
| VAR_DECL, FUNCTION_DECL, CONSTRUCTOR, ADDR_EXPR |
| TREE_NO_UNUSED_WARNING in |
| CONVERT_EXPR, NOP_EXPR, COMPOUND_EXPR, NON_LVALUE_EXPR |
| TREE_VIA_VIRTUAL in |
| TREE_LIST or TREE_VEC |
| TREE_CONSTANT_OVERFLOW in |
| INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST |
| TREE_SYMBOL_REFERENCED in |
| IDENTIFIER_NODE |
| CLEANUP_EH_ONLY in |
| TARGET_EXPR, WITH_CLEANUP_EXPR, CLEANUP_STMT, |
| TREE_LIST elements of a block's cleanup list. |
| |
| public_flag: |
| |
| TREE_OVERFLOW in |
| INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST |
| TREE_PUBLIC in |
| VAR_DECL or FUNCTION_DECL or IDENTIFIER_NODE |
| TREE_VIA_PUBLIC in |
| TREE_LIST or TREE_VEC |
| EXPR_WFL_EMIT_LINE_NOTE in |
| EXPR_WITH_FILE_LOCATION |
| |
| private_flag: |
| |
| TREE_VIA_PRIVATE in |
| TREE_LIST or TREE_VEC |
| TREE_PRIVATE in |
| ..._DECL |
| |
| protected_flag: |
| |
| TREE_VIA_PROTECTED in |
| TREE_LIST |
| TREE_VEC |
| TREE_PROTECTED in |
| BLOCK |
| ..._DECL |
| |
| side_effects_flag: |
| |
| TREE_SIDE_EFFECTS in |
| all expressions |
| |
| volatile_flag: |
| |
| TREE_THIS_VOLATILE in |
| all expressions |
| TYPE_VOLATILE in |
| ..._TYPE |
| |
| readonly_flag: |
| |
| TREE_READONLY in |
| all expressions |
| TYPE_READONLY in |
| ..._TYPE |
| |
| constant_flag: |
| |
| TREE_CONSTANT in |
| all expressions |
| |
| unsigned_flag: |
| |
| TREE_UNSIGNED in |
| INTEGER_TYPE, ENUMERAL_TYPE, FIELD_DECL |
| DECL_BUILT_IN_NONANSI in |
| FUNCTION_DECL |
| SAVE_EXPR_NOPLACEHOLDER in |
| SAVE_EXPR |
| |
| asm_written_flag: |
| |
| TREE_ASM_WRITTEN in |
| VAR_DECL, FUNCTION_DECL, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE |
| BLOCK |
| |
| used_flag: |
| |
| TREE_USED in |
| expressions, IDENTIFIER_NODE |
| |
| nothrow_flag: |
| |
| TREE_NOTHROW in |
| CALL_EXPR, FUNCTION_DECL |
| |
| bounded_flag: |
| |
| TREE_BOUNDED in |
| expressions, VAR_DECL, PARM_DECL, FIELD_DECL, FUNCTION_DECL, |
| IDENTIFIER_NODE |
| TYPE_BOUNDED in |
| ..._TYPE |
| |
| deprecated_flag: |
| |
| TREE_DEPRECATED in |
| ..._DECL |
| */ |
| |
| /* Define accessors for the fields that all tree nodes have |
| (though some fields are not used for all kinds of nodes). */ |
| |
| /* The tree-code says what kind of node it is. |
| Codes are defined in tree.def. */ |
| #define TREE_CODE(NODE) ((enum tree_code) (NODE)->common.code) |
| #define TREE_SET_CODE(NODE, VALUE) \ |
| ((NODE)->common.code = (ENUM_BITFIELD (tree_code)) (VALUE)) |
| |
| /* When checking is enabled, errors will be generated if a tree node |
| is accessed incorrectly. The macros abort with a fatal error. */ |
| #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007) |
| |
| #define TREE_CHECK(t, code) __extension__ \ |
| ({ const tree __t = (t); \ |
| if (TREE_CODE(__t) != (code)) \ |
| tree_check_failed (__t, code, __FILE__, __LINE__, __FUNCTION__); \ |
| __t; }) |
| #define TREE_CLASS_CHECK(t, class) __extension__ \ |
| ({ const tree __t = (t); \ |
| if (TREE_CODE_CLASS(TREE_CODE(__t)) != (class)) \ |
| tree_class_check_failed (__t, class, __FILE__, __LINE__, \ |
| __FUNCTION__); \ |
| __t; }) |
| |
| /* These checks have to be special cased. */ |
| #define CST_OR_CONSTRUCTOR_CHECK(t) __extension__ \ |
| ({ const tree __t = (t); \ |
| enum tree_code const __c = TREE_CODE(__t); \ |
| if (__c != CONSTRUCTOR && TREE_CODE_CLASS(__c) != 'c') \ |
| tree_check_failed (__t, CONSTRUCTOR, __FILE__, __LINE__, \ |
| __FUNCTION__); \ |
| __t; }) |
| #define EXPR_CHECK(t) __extension__ \ |
| ({ const tree __t = (t); \ |
| char const __c = TREE_CODE_CLASS(TREE_CODE(__t)); \ |
| if (__c != 'r' && __c != 's' && __c != '<' \ |
| && __c != '1' && __c != '2' && __c != 'e') \ |
| tree_class_check_failed (__t, 'e', __FILE__, __LINE__, \ |
| __FUNCTION__); \ |
| __t; }) |
| |
| #define TREE_VEC_ELT_CHECK(t, i) __extension__ \ |
| (*({const tree __t = t; \ |
| const int __i = (i); \ |
| if (TREE_CODE (__t) != TREE_VEC) \ |
| tree_check_failed (__t, TREE_VEC, \ |
| __FILE__, __LINE__, __FUNCTION__); \ |
| if (__i < 0 || __i >= __t->vec.length) \ |
| tree_vec_elt_check_failed (__i, __t->vec.length, \ |
| __FILE__, __LINE__, __FUNCTION__); \ |
| &__t->vec.a[__i]; })) |
| |
| extern void tree_check_failed PARAMS ((const tree, enum tree_code, |
| const char *, int, const char *)) |
| ATTRIBUTE_NORETURN; |
| extern void tree_class_check_failed PARAMS ((const tree, int, |
| const char *, int, const char *)) |
| ATTRIBUTE_NORETURN; |
| extern void tree_vec_elt_check_failed PARAMS ((int, int, const char *, |
| int, const char *)) |
| ATTRIBUTE_NORETURN; |
| |
| #else /* not ENABLE_TREE_CHECKING, or not gcc */ |
| |
| #define TREE_CHECK(t, code) (t) |
| #define TREE_CLASS_CHECK(t, code) (t) |
| #define CST_OR_CONSTRUCTOR_CHECK(t) (t) |
| #define EXPR_CHECK(t) (t) |
| #define TREE_VEC_ELT_CHECK(t, i) ((t)->vec.a[i]) |
| |
| #endif |
| |
| #include "tree-check.h" |
| |
| #define TYPE_CHECK(tree) TREE_CLASS_CHECK (tree, 't') |
| #define DECL_CHECK(tree) TREE_CLASS_CHECK (tree, 'd') |
| #define CST_CHECK(tree) TREE_CLASS_CHECK (tree, 'c') |
| |
| /* In all nodes that are expressions, this is the data type of the expression. |
| In POINTER_TYPE nodes, this is the type that the pointer points to. |
| In ARRAY_TYPE nodes, this is the type of the elements. |
| In VECTOR_TYPE nodes, this is the type of the elements. */ |
| #define TREE_TYPE(NODE) ((NODE)->common.type) |
| |
| /* Here is how primitive or already-canonicalized types' hash codes |
| are made. */ |
| #define TYPE_HASH(TYPE) ((size_t) (TYPE) & 0777777) |
| |
| /* Nodes are chained together for many purposes. |
| Types are chained together to record them for being output to the debugger |
| (see the function `chain_type'). |
| Decls in the same scope are chained together to record the contents |
| of the scope. |
| Statement nodes for successive statements used to be chained together. |
| Often lists of things are represented by TREE_LIST nodes that |
| are chained together. */ |
| |
| #define TREE_CHAIN(NODE) ((NODE)->common.chain) |
| |
| /* Given an expression as a tree, strip any NON_LVALUE_EXPRs and NOP_EXPRs |
| that don't change the machine mode. */ |
| |
| #define STRIP_NOPS(EXP) \ |
| while ((TREE_CODE (EXP) == NOP_EXPR \ |
| || TREE_CODE (EXP) == CONVERT_EXPR \ |
| || TREE_CODE (EXP) == NON_LVALUE_EXPR) \ |
| && TREE_OPERAND (EXP, 0) != error_mark_node \ |
| && (TYPE_MODE (TREE_TYPE (EXP)) \ |
| == TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \ |
| (EXP) = TREE_OPERAND (EXP, 0) |
| |
| /* Like STRIP_NOPS, but don't let the signedness change either. */ |
| |
| #define STRIP_SIGN_NOPS(EXP) \ |
| while ((TREE_CODE (EXP) == NOP_EXPR \ |
| || TREE_CODE (EXP) == CONVERT_EXPR \ |
| || TREE_CODE (EXP) == NON_LVALUE_EXPR) \ |
| && TREE_OPERAND (EXP, 0) != error_mark_node \ |
| && (TYPE_MODE (TREE_TYPE (EXP)) \ |
| == TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \ |
| && (TREE_UNSIGNED (TREE_TYPE (EXP)) \ |
| == TREE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \ |
| (EXP) = TREE_OPERAND (EXP, 0) |
| |
| /* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */ |
| |
| #define STRIP_TYPE_NOPS(EXP) \ |
| while ((TREE_CODE (EXP) == NOP_EXPR \ |
| || TREE_CODE (EXP) == CONVERT_EXPR \ |
| || TREE_CODE (EXP) == NON_LVALUE_EXPR) \ |
| && TREE_OPERAND (EXP, 0) != error_mark_node \ |
| && (TREE_TYPE (EXP) \ |
| == TREE_TYPE (TREE_OPERAND (EXP, 0)))) \ |
| (EXP) = TREE_OPERAND (EXP, 0) |
| |
| /* Nonzero if TYPE represents an integral type. Note that we do not |
| include COMPLEX types here. */ |
| |
| #define INTEGRAL_TYPE_P(TYPE) \ |
| (TREE_CODE (TYPE) == INTEGER_TYPE || TREE_CODE (TYPE) == ENUMERAL_TYPE \ |
| || TREE_CODE (TYPE) == BOOLEAN_TYPE || TREE_CODE (TYPE) == CHAR_TYPE) |
| |
| /* Nonzero if TYPE represents a floating-point type, including complex |
| floating-point types. */ |
| |
| #define FLOAT_TYPE_P(TYPE) \ |
| (TREE_CODE (TYPE) == REAL_TYPE \ |
| || (TREE_CODE (TYPE) == COMPLEX_TYPE \ |
| && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)) |
| |
| /* Nonzero if TYPE represents an aggregate (multi-component) type. */ |
| |
| #define AGGREGATE_TYPE_P(TYPE) \ |
| (TREE_CODE (TYPE) == ARRAY_TYPE || TREE_CODE (TYPE) == RECORD_TYPE \ |
| || TREE_CODE (TYPE) == UNION_TYPE || TREE_CODE (TYPE) == QUAL_UNION_TYPE \ |
| || TREE_CODE (TYPE) == SET_TYPE) |
| |
| /* Nonzero if TYPE represents an unbounded pointer or unbounded |
| reference type. (It should be renamed to INDIRECT_TYPE_P.) */ |
| |
| #define POINTER_TYPE_P(TYPE) \ |
| (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE) |
| |
| /* Nonzero if TYPE represents a bounded pointer or bounded reference type. */ |
| |
| #define BOUNDED_INDIRECT_TYPE_P(TYPE) \ |
| (TREE_CODE (TYPE) == RECORD_TYPE && TREE_TYPE (TYPE)) |
| |
| /* Nonzero if TYPE represents a bounded pointer type. */ |
| |
| #define BOUNDED_POINTER_TYPE_P(TYPE) \ |
| (BOUNDED_INDIRECT_TYPE_P (TYPE) \ |
| && TREE_CODE (TYPE_BOUNDED_SUBTYPE (TYPE)) == POINTER_TYPE) |
| |
| /* Nonzero if TYPE represents a bounded reference type. Bounded |
| reference types have two specific uses: (1) When a reference is |
| seated to a variable-length RECORD_TYPE that has an array of |
| indeterminate length as its final field. For all other objects, it |
| is sufficient to check bounds at the time the reference is seated, |
| and assume that all future uses of the reference are safe, since |
| the address of references cannot change. (2) When a reference |
| supertype is seated to a subtype object. The bounds "remember" |
| the true size of the complete object, so that subsequent upcasts of |
| the address of the reference will be checked properly (is such a |
| thing valid C++?). */ |
| |
| #define BOUNDED_REFERENCE_TYPE_P(TYPE) \ |
| (BOUNDED_INDIRECT_TYPE_P (TYPE) \ |
| && TREE_CODE (TYPE_BOUNDED_SUBTYPE (TYPE)) == REFERENCE_TYPE) |
| |
| /* Nonzero if TYPE represents a pointer or reference type, either |
| bounded or unbounded. */ |
| |
| #define MAYBE_BOUNDED_INDIRECT_TYPE_P(TYPE) \ |
| (POINTER_TYPE_P (TYPE) || BOUNDED_INDIRECT_TYPE_P (TYPE)) |
| |
| /* Nonzero if TYPE represents a pointer type, either bounded or unbounded. */ |
| |
| #define MAYBE_BOUNDED_POINTER_TYPE_P(TYPE) \ |
| (TREE_CODE (TYPE) == POINTER_TYPE || BOUNDED_POINTER_TYPE_P (TYPE)) |
| |
| /* Nonzero if TYPE represents a reference type, either bounded or |
| unbounded. */ |
| |
| #define MAYBE_BOUNDED_REFERENCE_TYPE_P(TYPE) \ |
| (TREE_CODE (TYPE) == REFERENCE_TYPE || BOUNDED_REFERENCE_TYPE_P (TYPE)) |
| |
| /* Nonzero if this type is a complete type. */ |
| #define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE) |
| |
| /* Nonzero if this type is the (possibly qualified) void type. */ |
| #define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE) |
| |
| /* Nonzero if this type is complete or is cv void. */ |
| #define COMPLETE_OR_VOID_TYPE_P(NODE) \ |
| (COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE)) |
| |
| /* Nonzero if this type is complete or is an array with unspecified bound. */ |
| #define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \ |
| (COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE))) |
| |
| /* Nonzero if TYPE represents a type. */ |
| |
| #define TYPE_P(TYPE) (TREE_CODE_CLASS (TREE_CODE (TYPE)) == 't') |
| |
| /* Define many boolean fields that all tree nodes have. */ |
| |
| /* In VAR_DECL nodes, nonzero means address of this is needed. |
| So it cannot be in a register. |
| In a FUNCTION_DECL, nonzero means its address is needed. |
| So it must be compiled even if it is an inline function. |
| In a FIELD_DECL node, it means that the programmer is permitted to |
| construct the address of this field. This is used for aliasing |
| purposes: see record_component_aliases. |
| In CONSTRUCTOR nodes, it means object constructed must be in memory. |
| In LABEL_DECL nodes, it means a goto for this label has been seen |
| from a place outside all binding contours that restore stack levels. |
| In ..._TYPE nodes, it means that objects of this type must |
| be fully addressable. This means that pieces of this |
| object cannot go into register parameters, for example. |
| In IDENTIFIER_NODEs, this means that some extern decl for this name |
| had its address taken. That matters for inline functions. */ |
| #define TREE_ADDRESSABLE(NODE) ((NODE)->common.addressable_flag) |
| |
| /* In a VAR_DECL, nonzero means allocate static storage. |
| In a FUNCTION_DECL, nonzero if function has been defined. |
| In a CONSTRUCTOR, nonzero means allocate static storage. */ |
| #define TREE_STATIC(NODE) ((NODE)->common.static_flag) |
| |
| /* In a TARGET_EXPR, WITH_CLEANUP_EXPR, CLEANUP_STMT, or element of a |
| block's cleanup list, means that the pertinent cleanup should only be |
| executed if an exception is thrown, not on normal exit of its scope. */ |
| #define CLEANUP_EH_ONLY(NODE) ((NODE)->common.static_flag) |
| |
| /* In a CONVERT_EXPR, NOP_EXPR or COMPOUND_EXPR, this means the node was |
| made implicitly and should not lead to an "unused value" warning. */ |
| #define TREE_NO_UNUSED_WARNING(NODE) ((NODE)->common.static_flag) |
| |
| /* Nonzero for a TREE_LIST or TREE_VEC node means that the derivation |
| chain is via a `virtual' declaration. */ |
| #define TREE_VIA_VIRTUAL(NODE) ((NODE)->common.static_flag) |
| |
| /* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST this means |
| there was an overflow in folding. This is distinct from |
| TREE_OVERFLOW because ANSI C requires a diagnostic when overflows |
| occur in constant expressions. */ |
| #define TREE_CONSTANT_OVERFLOW(NODE) ((NODE)->common.static_flag) |
| |
| /* In an IDENTIFIER_NODE, this means that assemble_name was called with |
| this string as an argument. */ |
| #define TREE_SYMBOL_REFERENCED(NODE) \ |
| (IDENTIFIER_NODE_CHECK (NODE)->common.static_flag) |
| |
| /* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means |
| there was an overflow in folding, and no warning has been issued |
| for this subexpression. TREE_OVERFLOW implies |
| TREE_CONSTANT_OVERFLOW, but not vice versa. */ |
| #define TREE_OVERFLOW(NODE) ((NODE)->common.public_flag) |
| |
| /* In a VAR_DECL or FUNCTION_DECL, |
| nonzero means name is to be accessible from outside this module. |
| In an IDENTIFIER_NODE, nonzero means an external declaration |
| accessible from outside this module was previously seen |
| for this name in an inner scope. */ |
| #define TREE_PUBLIC(NODE) ((NODE)->common.public_flag) |
| |
| /* Nonzero for TREE_LIST or TREE_VEC node means that the path to the |
| base class is via a `public' declaration, which preserves public |
| fields from the base class as public. */ |
| #define TREE_VIA_PUBLIC(NODE) ((NODE)->common.public_flag) |
| |
| /* Ditto, for `private' declarations. */ |
| #define TREE_VIA_PRIVATE(NODE) ((NODE)->common.private_flag) |
| |
| /* Nonzero for TREE_LIST or TREE_VEC node means that the path to the |
| base class is via a `protected' declaration, which preserves |
| protected fields from the base class as protected. |
| OVERLOADED. */ |
| #define TREE_VIA_PROTECTED(NODE) ((NODE)->common.protected_flag) |
| |
| /* In any expression, nonzero means it has side effects or reevaluation |
| of the whole expression could produce a different value. |
| This is set if any subexpression is a function call, a side effect |
| or a reference to a volatile variable. |
| In a ..._DECL, this is set only if the declaration said `volatile'. */ |
| #define TREE_SIDE_EFFECTS(NODE) ((NODE)->common.side_effects_flag) |
| |
| /* Nonzero means this expression is volatile in the C sense: |
| its address should be of type `volatile WHATEVER *'. |
| In other words, the declared item is volatile qualified. |
| This is used in _DECL nodes and _REF nodes. |
| |
| In a ..._TYPE node, means this type is volatile-qualified. |
| But use TYPE_VOLATILE instead of this macro when the node is a type, |
| because eventually we may make that a different bit. |
| |
| If this bit is set in an expression, so is TREE_SIDE_EFFECTS. */ |
| #define TREE_THIS_VOLATILE(NODE) ((NODE)->common.volatile_flag) |
| |
| /* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node, |
| nonzero means it may not be the lhs of an assignment. |
| In a ..._TYPE node, means this type is const-qualified |
| (but the macro TYPE_READONLY should be used instead of this macro |
| when the node is a type). */ |
| #define TREE_READONLY(NODE) ((NODE)->common.readonly_flag) |
| |
| /* Non-zero if NODE is a _DECL with TREE_READONLY set. */ |
| #define TREE_READONLY_DECL_P(NODE) (TREE_READONLY (NODE) && DECL_P (NODE)) |
| |
| /* Value of expression is constant. |
| Always appears in all ..._CST nodes. |
| May also appear in an arithmetic expression, an ADDR_EXPR or a CONSTRUCTOR |
| if the value is constant. */ |
| #define TREE_CONSTANT(NODE) ((NODE)->common.constant_flag) |
| |
| /* In INTEGER_TYPE or ENUMERAL_TYPE nodes, means an unsigned type. |
| In FIELD_DECL nodes, means an unsigned bit field. |
| The same bit is used in functions as DECL_BUILT_IN_NONANSI. */ |
| #define TREE_UNSIGNED(NODE) ((NODE)->common.unsigned_flag) |
| |
| #define TYPE_TRAP_SIGNED(NODE) \ |
| (flag_trapv && ! TREE_UNSIGNED (TYPE_CHECK (NODE))) |
| |
| /* Nonzero in a VAR_DECL means assembler code has been written. |
| Nonzero in a FUNCTION_DECL means that the function has been compiled. |
| This is interesting in an inline function, since it might not need |
| to be compiled separately. |
| Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ENUMERAL_TYPE |
| if the sdb debugging info for the type has been written. |
| In a BLOCK node, nonzero if reorder_blocks has already seen this block. */ |
| #define TREE_ASM_WRITTEN(NODE) ((NODE)->common.asm_written_flag) |
| |
| /* Nonzero in a _DECL if the name is used in its scope. |
| Nonzero in an expr node means inhibit warning if value is unused. |
| In IDENTIFIER_NODEs, this means that some extern decl for this name |
| was used. */ |
| #define TREE_USED(NODE) ((NODE)->common.used_flag) |
| |
| /* In a FUNCTION_DECL, nonzero means a call to the function cannot throw |
| an exception. In a CALL_EXPR, nonzero means the call cannot throw. */ |
| #define TREE_NOTHROW(NODE) ((NODE)->common.nothrow_flag) |
| |
| /* In a type, nonzero means that all objects of the type are guaranteed by the |
| language or front-end to be properly aligned, so we can indicate that a MEM |
| of this type is aligned at least to the alignment of the type, even if it |
| doesn't appear that it is. We see this, for example, in object-oriented |
| languages where a tag field may show this is an object of a more-aligned |
| variant of the more generic type. */ |
| #define TYPE_ALIGN_OK(NODE) (TYPE_CHECK (NODE)->common.nothrow_flag) |
| |
| /* Used in classes in C++. */ |
| #define TREE_PRIVATE(NODE) ((NODE)->common.private_flag) |
| /* Used in classes in C++. |
| In a BLOCK node, this is BLOCK_HANDLER_BLOCK. */ |
| #define TREE_PROTECTED(NODE) ((NODE)->common.protected_flag) |
| |
| /* In a ..._TYPE node, nonzero means that the type's size and layout, |
| (or the size and layout of its arguments and/or return value in the |
| case of a FUNCTION_TYPE or METHOD_TYPE) was changed by the presence |
| of pointer bounds. Use TYPE_BOUNDED instead of this macro when the |
| node is a type, because eventually we may make that a different |
| bit. TYPE_BOUNDED doesn't mean that this type is a bounded indirect |
| type--use BOUNDED_POINTER_TYPE_P, BOUNDED_REFERENCE_TYPE_P, |
| BOUNDED_INDIRECT_TYPE_P to test for that. |
| |
| In a FUNCTION_DECL, nonzero means that the size and layout of one |
| of its arguments and/or return value was changed by the presence of |
| pointer bounds. This value can differ from the value of |
| TYPE_BOUNDED (TREE_TYPE (fundecl)) if the function was implicitly |
| declared, then later called with pointer args, or was declared with |
| a variable argument list and is later called with pointer values in |
| the variable argument list. |
| |
| In a VAR_DECL, PARM_DECL or FIELD_DECL, TREE_BOUNDED matches the value |
| of the decl's type's BOUNDED_POINTER_TYPE_P. |
| |
| In a CONSTRUCTOR or other expression, nonzero means the value is a |
| bounded pointer. It is insufficient to determine the boundedness |
| of an expression EXP with BOUNDED_POINTER_TYPE_P (TREE_TYPE (EXP)), |
| since we allow pointer to be temporarily cast to integer for |
| rounding up to an alignment boudary in a way that preserves the |
| pointer's bounds. |
| |
| In an IDENTIFIER_NODE, nonzero means that the name is prefixed with |
| BP_PREFIX (see varasm.c). This occurs for the DECL_ASSEMBLER_NAME |
| of a function that has bounded pointer(s) for its return type and/or |
| argument type(s). */ |
| |
| #define TREE_BOUNDED(NODE) ((NODE)->common.bounded_flag) |
| |
| /* Nonzero in an IDENTIFIER_NODE if the use of the name is defined as a |
| deprecated feature by __attribute__((deprecated)). */ |
| #define TREE_DEPRECATED(NODE) ((NODE)->common.deprecated_flag) |
| |
| /* These flags are available for each language front end to use internally. */ |
| #define TREE_LANG_FLAG_0(NODE) ((NODE)->common.lang_flag_0) |
| #define TREE_LANG_FLAG_1(NODE) ((NODE)->common.lang_flag_1) |
| #define TREE_LANG_FLAG_2(NODE) ((NODE)->common.lang_flag_2) |
| #define TREE_LANG_FLAG_3(NODE) ((NODE)->common.lang_flag_3) |
| #define TREE_LANG_FLAG_4(NODE) ((NODE)->common.lang_flag_4) |
| #define TREE_LANG_FLAG_5(NODE) ((NODE)->common.lang_flag_5) |
| #define TREE_LANG_FLAG_6(NODE) ((NODE)->common.lang_flag_6) |
| |
| /* Define additional fields and accessors for nodes representing constants. */ |
| |
| /* In an INTEGER_CST node. These two together make a 2-word integer. |
| If the data type is signed, the value is sign-extended to 2 words |
| even though not all of them may really be in use. |
| In an unsigned constant shorter than 2 words, the extra bits are 0. */ |
| #define TREE_INT_CST(NODE) (INTEGER_CST_CHECK (NODE)->int_cst.int_cst) |
| #define TREE_INT_CST_LOW(NODE) (TREE_INT_CST (NODE).low) |
| #define TREE_INT_CST_HIGH(NODE) (TREE_INT_CST (NODE).high) |
| |
| #define INT_CST_LT(A, B) \ |
| (TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \ |
| || (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \ |
| && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B))) |
| |
| #define INT_CST_LT_UNSIGNED(A, B) \ |
| (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \ |
| < (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \ |
| || (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \ |
| == (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \ |
| && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B))) |
| |
| struct tree_int_cst GTY(()) |
| { |
| struct tree_common common; |
| rtx rtl; /* acts as link to register transfer language |
| (rtl) info */ |
| /* A sub-struct is necessary here because the function `const_hash' |
| wants to scan both words as a unit and taking the address of the |
| sub-struct yields the properly inclusive bounded pointer. */ |
| struct tree_int_cst_lowhi { |
| unsigned HOST_WIDE_INT low; |
| HOST_WIDE_INT high; |
| } int_cst; |
| }; |
| |
| /* In REAL_CST, STRING_CST, COMPLEX_CST, VECTOR_CST nodes, and |
| CONSTRUCTOR nodes, and generally in all kinds of constants that |
| could be given labels (rather than being immediate). */ |
| |
| #define TREE_CST_RTL(NODE) (CST_OR_CONSTRUCTOR_CHECK (NODE)->real_cst.rtl) |
| |
| /* In a REAL_CST node. struct real_value is an opaque entity, with |
| manipulators defined in real.h. We don't want tree.h depending on |
| real.h and transitively on tm.h. */ |
| struct real_value; |
| |
| #define TREE_REAL_CST_PTR(NODE) (REAL_CST_CHECK (NODE)->real_cst.real_cst_ptr) |
| #define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE)) |
| |
| struct tree_real_cst GTY(()) |
| { |
| struct tree_common common; |
| rtx rtl; /* acts as link to register transfer language (rtl) info */ |
| struct real_value * real_cst_ptr; |
| }; |
| |
| /* In a STRING_CST */ |
| #define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length) |
| #define TREE_STRING_POINTER(NODE) (STRING_CST_CHECK (NODE)->string.pointer) |
| |
| struct tree_string GTY(()) |
| { |
| struct tree_common common; |
| rtx rtl; /* acts as link to register transfer language (rtl) info */ |
| int length; |
| const char *pointer; |
| }; |
| |
| /* In a COMPLEX_CST node. */ |
| #define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real) |
| #define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag) |
| |
| struct tree_complex GTY(()) |
| { |
| struct tree_common common; |
| rtx rtl; /* acts as link to register transfer language (rtl) info */ |
| tree real; |
| tree imag; |
| }; |
| |
| /* In a VECTOR_CST node. */ |
| #define TREE_VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elements) |
| |
| struct tree_vector GTY(()) |
| { |
| struct tree_common common; |
| rtx rtl; |
| tree elements; |
| }; |
| |
| #include "hashtable.h" |
| |
| /* Define fields and accessors for some special-purpose tree nodes. */ |
| |
| #define IDENTIFIER_LENGTH(NODE) \ |
| (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len) |
| #define IDENTIFIER_POINTER(NODE) \ |
| ((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str) |
| #define IDENTIFIER_HASH_VALUE(NODE) \ |
| (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value) |
| |
| /* Translate a hash table identifier pointer to a tree_identifier |
| pointer, and vice versa. */ |
| |
| #define HT_IDENT_TO_GCC_IDENT(NODE) \ |
| ((tree) ((char *) (NODE) - sizeof (struct tree_common))) |
| #define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id) |
| |
| struct tree_identifier GTY(()) |
| { |
| struct tree_common common; |
| struct ht_identifier id; |
| }; |
| |
| /* In a TREE_LIST node. */ |
| #define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose) |
| #define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value) |
| |
| struct tree_list GTY(()) |
| { |
| struct tree_common common; |
| tree purpose; |
| tree value; |
| }; |
| |
| /* In a TREE_VEC node. */ |
| #define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->vec.length) |
| #define TREE_VEC_END(NODE) \ |
| ((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.length])) |
| |
| #define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I) |
| |
| struct tree_vec GTY(()) |
| { |
| struct tree_common common; |
| int length; |
| tree GTY ((length ("TREE_VEC_LENGTH ((tree)&%h)"))) a[1]; |
| }; |
| |
| /* Define fields and accessors for some nodes that represent expressions. */ |
| |
| /* In a SAVE_EXPR node. */ |
| #define SAVE_EXPR_CONTEXT(NODE) TREE_OPERAND (SAVE_EXPR_CHECK (NODE), 1) |
| #define SAVE_EXPR_RTL(NODE) (*(rtx *) &SAVE_EXPR_CHECK (NODE)->exp.operands[2]) |
| #define SAVE_EXPR_NOPLACEHOLDER(NODE) TREE_UNSIGNED (SAVE_EXPR_CHECK (NODE)) |
| /* Nonzero if the SAVE_EXPRs value should be kept, even if it occurs |
| both in normal code and in a handler. (Normally, in a handler, all |
| SAVE_EXPRs are unsaved, meaning that there values are |
| recalculated.) */ |
| #define SAVE_EXPR_PERSISTENT_P(NODE) TREE_ASM_WRITTEN (SAVE_EXPR_CHECK (NODE)) |
| |
| /* In a RTL_EXPR node. */ |
| #define RTL_EXPR_SEQUENCE(NODE) \ |
| (*(rtx *) &RTL_EXPR_CHECK (NODE)->exp.operands[0]) |
| #define RTL_EXPR_RTL(NODE) (*(rtx *) &RTL_EXPR_CHECK (NODE)->exp.operands[1]) |
| |
| /* In a WITH_CLEANUP_EXPR node. */ |
| #define WITH_CLEANUP_EXPR_RTL(NODE) \ |
| (*(rtx *) &WITH_CLEANUP_EXPR_CHECK (NODE)->exp.operands[2]) |
| |
| /* In a CONSTRUCTOR node. */ |
| #define CONSTRUCTOR_ELTS(NODE) TREE_OPERAND (CONSTRUCTOR_CHECK (NODE), 1) |
| |
| /* In ordinary expression nodes. */ |
| #define TREE_OPERAND(NODE, I) (EXPR_CHECK (NODE)->exp.operands[I]) |
| #define TREE_COMPLEXITY(NODE) (EXPR_CHECK (NODE)->exp.complexity) |
| |
| /* In a LABELED_BLOCK_EXPR node. */ |
| #define LABELED_BLOCK_LABEL(NODE) \ |
| TREE_OPERAND (LABELED_BLOCK_EXPR_CHECK (NODE), 0) |
| #define LABELED_BLOCK_BODY(NODE) \ |
| TREE_OPERAND (LABELED_BLOCK_EXPR_CHECK (NODE), 1) |
| |
| /* In an EXIT_BLOCK_EXPR node. */ |
| #define EXIT_BLOCK_LABELED_BLOCK(NODE) \ |
| TREE_OPERAND (EXIT_BLOCK_EXPR_CHECK (NODE), 0) |
| #define EXIT_BLOCK_RETURN(NODE) TREE_OPERAND (EXIT_BLOCK_EXPR_CHECK (NODE), 1) |
| |
| /* In a LOOP_EXPR node. */ |
| #define LOOP_EXPR_BODY(NODE) TREE_OPERAND (LOOP_EXPR_CHECK (NODE), 0) |
| |
| /* In an EXPR_WITH_FILE_LOCATION node. */ |
| #define EXPR_WFL_EMIT_LINE_NOTE(NODE) \ |
| (EXPR_WITH_FILE_LOCATION_CHECK (NODE)->common.public_flag) |
| #define EXPR_WFL_NODE(NODE) \ |
| TREE_OPERAND (EXPR_WITH_FILE_LOCATION_CHECK (NODE), 0) |
| #define EXPR_WFL_FILENAME_NODE(NODE) \ |
| TREE_OPERAND (EXPR_WITH_FILE_LOCATION_CHECK (NODE), 1) |
| #define EXPR_WFL_FILENAME(NODE) \ |
| IDENTIFIER_POINTER (EXPR_WFL_FILENAME_NODE (NODE)) |
| /* ??? Java uses this in all expressions. */ |
| #define EXPR_WFL_LINECOL(NODE) (EXPR_CHECK (NODE)->exp.complexity) |
| #define EXPR_WFL_LINENO(NODE) (EXPR_WFL_LINECOL (NODE) >> 12) |
| #define EXPR_WFL_COLNO(NODE) (EXPR_WFL_LINECOL (NODE) & 0xfff) |
| #define EXPR_WFL_SET_LINECOL(NODE, LINE, COL) \ |
| (EXPR_WFL_LINECOL(NODE) = ((LINE) << 12) | ((COL) & 0xfff)) |
| |
| /* In a TARGET_EXPR node. */ |
| #define TARGET_EXPR_SLOT(NODE) TREE_OPERAND (TARGET_EXPR_CHECK (NODE), 0) |
| #define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND (TARGET_EXPR_CHECK (NODE), 1) |
| #define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND (TARGET_EXPR_CHECK (NODE), 2) |
| |
| struct tree_exp GTY(()) |
| { |
| struct tree_common common; |
| int complexity; |
| tree GTY ((special ("tree_exp"), |
| desc ("TREE_CODE ((tree) &%0)"))) |
| operands[1]; |
| }; |
| |
| /* In a BLOCK node. */ |
| #define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars) |
| #define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks) |
| #define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext) |
| /* Note: when changing this, make sure to find the places |
| that use chainon or nreverse. */ |
| #define BLOCK_CHAIN(NODE) TREE_CHAIN (BLOCK_CHECK (NODE)) |
| #define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin) |
| #define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag) |
| |
| /* Nonzero means that this block is prepared to handle exceptions |
| listed in the BLOCK_VARS slot. */ |
| #define BLOCK_HANDLER_BLOCK(NODE) \ |
| (BLOCK_CHECK (NODE)->block.handler_block_flag) |
| |
| /* An index number for this block. These values are not guaranteed to |
| be unique across functions -- whether or not they are depends on |
| the debugging output format in use. */ |
| #define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num) |
| |
| /* If block reordering splits a lexical block into discontiguous |
| address ranges, we'll make a copy of the original block. |
| |
| Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN. |
| In that case, we have one source block that has been replicated |
| (through inlining or unrolling) into many logical blocks, and that |
| these logical blocks have different physical variables in them. |
| |
| In this case, we have one logical block split into several |
| non-contiguous address ranges. Most debug formats can't actually |
| represent this idea directly, so we fake it by creating multiple |
| logical blocks with the same variables in them. However, for those |
| that do support non-contiguous regions, these allow the original |
| logical block to be reconstructed, along with the set of address |
| ranges. |
| |
| One of the logical block fragments is arbitrarily chosen to be |
| the ORIGIN. The other fragments will point to the origin via |
| BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer |
| be null. The list of fragments will be chained through |
| BLOCK_FRAGMENT_CHAIN from the origin. */ |
| |
| #define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin) |
| #define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain) |
| |
| struct tree_block GTY(()) |
| { |
| struct tree_common common; |
| |
| unsigned handler_block_flag : 1; |
| unsigned abstract_flag : 1; |
| unsigned block_num : 30; |
| |
| tree vars; |
| tree subblocks; |
| tree supercontext; |
| tree abstract_origin; |
| tree fragment_origin; |
| tree fragment_chain; |
| }; |
| |
| /* Define fields and accessors for nodes representing data types. */ |
| |
| /* See tree.def for documentation of the use of these fields. |
| Look at the documentation of the various ..._TYPE tree codes. */ |
| |
| #define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type.uid) |
| #define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type.size) |
| #define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type.size_unit) |
| #define TYPE_MODE(NODE) (TYPE_CHECK (NODE)->type.mode) |
| #define TYPE_VALUES(NODE) (TYPE_CHECK (NODE)->type.values) |
| #define TYPE_DOMAIN(NODE) (TYPE_CHECK (NODE)->type.values) |
| #define TYPE_FIELDS(NODE) (TYPE_CHECK (NODE)->type.values) |
| #define TYPE_METHODS(NODE) (TYPE_CHECK (NODE)->type.maxval) |
| #define TYPE_VFIELD(NODE) (TYPE_CHECK (NODE)->type.minval) |
| #define TYPE_ARG_TYPES(NODE) (TYPE_CHECK (NODE)->type.values) |
| #define TYPE_METHOD_BASETYPE(NODE) (TYPE_CHECK (NODE)->type.maxval) |
| #define TYPE_OFFSET_BASETYPE(NODE) (TYPE_CHECK (NODE)->type.maxval) |
| #define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type.pointer_to) |
| #define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type.reference_to) |
| #define TYPE_MIN_VALUE(NODE) (TYPE_CHECK (NODE)->type.minval) |
| #define TYPE_MAX_VALUE(NODE) (TYPE_CHECK (NODE)->type.maxval) |
| #define TYPE_PRECISION(NODE) (TYPE_CHECK (NODE)->type.precision) |
| #define TYPE_SYMTAB_ADDRESS(NODE) (TYPE_CHECK (NODE)->type.symtab.address) |
| #define TYPE_SYMTAB_POINTER(NODE) (TYPE_CHECK (NODE)->type.symtab.pointer) |
| #define TYPE_SYMTAB_DIE(NODE) (TYPE_CHECK (NODE)->type.symtab.die) |
| #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type.name) |
| #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type.next_variant) |
| #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant) |
| #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context) |
| #define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific) |
| |
| /* For a VECTOR_TYPE node, this describes a different type which is emitted |
| in the debugging output. We use this to describe a vector as a |
| structure containing an array. */ |
| #define TYPE_DEBUG_REPRESENTATION_TYPE(NODE) (TYPE_CHECK (NODE)->type.values) |
| |
| /* Indirect types present difficulties because they may be represented |
| as either POINTER_TYPE/REFERENCE_TYPE nodes (unbounded) or as |
| RECORD_TYPE nodes (bounded). Bounded and unbounded pointers might |
| be logically equivalent, but physically different. Simple |
| comparison of the main variant only tells if the types are |
| logically equivalent. Use this predicate to compare for physical |
| equivalency. */ |
| |
| /* Types have the same main variant, and have the same boundedness. */ |
| #define TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P(TYPE1, TYPE2) \ |
| (TYPE_MAIN_VARIANT (TYPE1) == TYPE_MAIN_VARIANT (TYPE2) \ |
| && TREE_CODE (TYPE1) == TREE_CODE (TYPE2)) |
| |
| /* Return the type variant that has no qualifiers (i.e., the main variant), |
| except that the boundedness qualifier is preserved. */ |
| #define TYPE_MAIN_PHYSICAL_VARIANT(TYPE) \ |
| (BOUNDED_POINTER_TYPE_P (TYPE) \ |
| ? build_qualified_type (TYPE, TYPE_QUAL_BOUNDED) \ |
| : TYPE_MAIN_VARIANT (TYPE)) |
| |
| /* For aggregate types, information about this type, as a base type |
| for itself. Used in a language-dependent way for types that are |
| neither a RECORD_TYPE, QUAL_UNION_TYPE, nor a UNION_TYPE. */ |
| #define TYPE_BINFO(NODE) (TYPE_CHECK (NODE)->type.binfo) |
| |
| /* The (language-specific) typed-based alias set for this type. |
| Objects whose TYPE_ALIAS_SETs are different cannot alias each |
| other. If the TYPE_ALIAS_SET is -1, no alias set has yet been |
| assigned to this type. If the TYPE_ALIAS_SET is 0, objects of this |
| type can alias objects of any type. */ |
| #define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type.alias_set) |
| |
| /* Nonzero iff the typed-based alias set for this type has been |
| calculated. */ |
| #define TYPE_ALIAS_SET_KNOWN_P(NODE) (TYPE_CHECK (NODE)->type.alias_set != -1) |
| |
| /* A TREE_LIST of IDENTIFIER nodes of the attributes that apply |
| to this type. */ |
| #define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type.attributes) |
| |
| /* The alignment necessary for objects of this type. |
| The value is an int, measured in bits. */ |
| #define TYPE_ALIGN(NODE) (TYPE_CHECK (NODE)->type.align) |
| |
| /* 1 if the alignment for this type was requested by "aligned" attribute, |
| 0 if it is the default for this type. */ |
| #define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->type.user_align) |
| |
| /* The alignment for NODE, in bytes. */ |
| #define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT) |
| |
| /* If your language allows you to declare types, and you want debug info |
| for them, then you need to generate corresponding TYPE_DECL nodes. |
| These "stub" TYPE_DECL nodes have no name, and simply point at the |
| type node. You then set the TYPE_STUB_DECL field of the type node |
| to point back at the TYPE_DECL node. This allows the debug routines |
| to know that the two nodes represent the same type, so that we only |
| get one debug info record for them. */ |
| #define TYPE_STUB_DECL(NODE) TREE_CHAIN (NODE) |
| |
| /* In a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE, it means the type |
| has BLKmode only because it lacks the alignment requirement for |
| its size. */ |
| #define TYPE_NO_FORCE_BLK(NODE) (TYPE_CHECK (NODE)->type.no_force_blk_flag) |
| |
| /* In an INTEGER_TYPE, it means the type represents a size. We use |
| this both for validity checking and to permit optimizations that |
| are unsafe for other types. Note that the C `size_t' type should |
| *not* have this flag set. The `size_t' type is simply a typedef |
| for an ordinary integer type that happens to be the type of an |
| expression returned by `sizeof'; `size_t' has no special |
| properties. Expressions whose type have TYPE_IS_SIZETYPE set are |
| always actual sizes. */ |
| #define TYPE_IS_SIZETYPE(NODE) \ |
| (INTEGER_TYPE_CHECK (NODE)->type.no_force_blk_flag) |
| |
| /* In a FUNCTION_TYPE, indicates that the function returns with the stack |
| pointer depressed. */ |
| #define TYPE_RETURNS_STACK_DEPRESSED(NODE) \ |
| (FUNCTION_TYPE_CHECK (NODE)->type.no_force_blk_flag) |
| |
| /* Nonzero in a type considered volatile as a whole. */ |
| #define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->common.volatile_flag) |
| |
| /* Means this type is const-qualified. */ |
| #define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->common.readonly_flag) |
| |
| /* If nonzero, this type is `restrict'-qualified, in the C sense of |
| the term. */ |
| #define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type.restrict_flag) |
| |
| /* If nonzero, this type's size and layout, (or the size and layout of |
| its arguments and/or return value in the case of a FUNCTION_TYPE or |
| METHOD_TYPE) was changed by the presence of pointer bounds. */ |
| #define TYPE_BOUNDED(NODE) (TYPE_CHECK (NODE)->common.bounded_flag) |
| |
| /* There is a TYPE_QUAL value for each type qualifier. They can be |
| combined by bitwise-or to form the complete set of qualifiers for a |
| type. */ |
| |
| #define TYPE_UNQUALIFIED 0x0 |
| #define TYPE_QUAL_CONST 0x1 |
| #define TYPE_QUAL_VOLATILE 0x2 |
| #define TYPE_QUAL_RESTRICT 0x4 |
| #define TYPE_QUAL_BOUNDED 0x8 |
| |
| /* The set of type qualifiers for this type. */ |
| #define TYPE_QUALS(NODE) \ |
| ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \ |
| | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \ |
| | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT) \ |
| | (BOUNDED_INDIRECT_TYPE_P (NODE) * TYPE_QUAL_BOUNDED)) |
| |
| /* The set of qualifiers pertinent to an expression node. */ |
| #define TREE_EXPR_QUALS(NODE) \ |
| ((TREE_READONLY (NODE) * TYPE_QUAL_CONST) \ |
| | (TREE_THIS_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \ |
| | (TREE_BOUNDED (NODE) * TYPE_QUAL_BOUNDED)) |
| |
| /* The set of qualifiers pertinent to a FUNCTION_DECL node. */ |
| #define TREE_FUNC_QUALS(NODE) \ |
| ((TREE_READONLY (NODE) * TYPE_QUAL_CONST) \ |
| | (TREE_THIS_VOLATILE (NODE) * TYPE_QUAL_VOLATILE)) |
| |
| /* These flags are available for each language front end to use internally. */ |
| #define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type.lang_flag_0) |
| #define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type.lang_flag_1) |
| #define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type.lang_flag_2) |
| #define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type.lang_flag_3) |
| #define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type.lang_flag_4) |
| #define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type.lang_flag_5) |
| #define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type.lang_flag_6) |
| |
| /* If set in an ARRAY_TYPE, indicates a string type (for languages |
| that distinguish string from array of char). |
| If set in a SET_TYPE, indicates a bitstring type. */ |
| #define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type.string_flag) |
| |
| /* If non-NULL, this is an upper bound of the size (in bytes) of an |
| object of the given ARRAY_TYPE. This allows temporaries to be |
| allocated. */ |
| #define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \ |
| TYPE_MAX_VALUE (ARRAY_TYPE_CHECK (ARRAY_TYPE)) |
| |
| /* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */ |
| #define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \ |
| GET_MODE_NUNITS (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.mode) |
| |
| /* Indicates that objects of this type must be initialized by calling a |
| function when they are created. */ |
| #define TYPE_NEEDS_CONSTRUCTING(NODE) \ |
| (TYPE_CHECK (NODE)->type.needs_constructing_flag) |
| |
| /* Indicates that objects of this type (a UNION_TYPE), should be passed |
| the same way that the first union alternative would be passed. */ |
| #define TYPE_TRANSPARENT_UNION(NODE) \ |
| (UNION_TYPE_CHECK (NODE)->type.transparent_union_flag) |
| |
| /* For an ARRAY_TYPE, indicates that it is not permitted to |
| take the address of a component of the type. */ |
| #define TYPE_NONALIASED_COMPONENT(NODE) \ |
| (ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag) |
| |
| /* Indicated that objects of this type should be laid out in as |
| compact a way as possible. */ |
| #define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->type.packed_flag) |
| |
| /* A bounded pointer or bounded reference type (collectively called |
| indirect types) is represented as a RECORD_TYPE node containing |
| three pointer fields whose type is the corresponding unbounded |
| POINTER_TYPE or REFERENCE_TYPE. A RECORD_TYPE node that represents |
| a bounded indirect type differs from a normal RECORD_TYPE node in |
| that its TREE_TYPE is non-NULL and has the pointed-to type just as |
| a POINTER_TYPE or REFERENCE_TYPE node has. The bounded RECORD_TYPE |
| nodes are stored on the same type variant chain alongside the |
| variants of the underlaying indirect types nodes. The main variant |
| of such chains is always the unbounded type. */ |
| |
| /* Access the field decls of a bounded-pointer type. */ |
| #define TYPE_BOUNDED_VALUE(TYPE) TYPE_FIELDS (TYPE) |
| #define TYPE_BOUNDED_BASE(TYPE) TREE_CHAIN (TYPE_BOUNDED_VALUE (TYPE)) |
| #define TYPE_BOUNDED_EXTENT(TYPE) TREE_CHAIN (TYPE_BOUNDED_BASE (TYPE)) |
| |
| /* Access the simple-pointer subtype of a bounded-pointer type. */ |
| #define TYPE_BOUNDED_SUBTYPE(TYPE) TREE_TYPE (TYPE_BOUNDED_VALUE (TYPE)) |
| |
| /* Find the unbounded counterpart to a type, or return TYPE if it is |
| already unbounded. */ |
| #define TYPE_UNBOUNDED_VARIANT(TYPE) \ |
| (BOUNDED_POINTER_TYPE_P (TYPE) ? TYPE_BOUNDED_SUBTYPE (TYPE) : (TYPE)) |
| |
| /* This field comprises two bits, for values in the range 0..3: |
| |
| depth=0 means that type is a scalar, or an aggregate that contains |
| only depth=0 types, or a function that has only depth=0 types for |
| its return value and argument types. |
| |
| depth=1 means that type is a pointer to a depth=0 type, or an |
| aggregate that contains only depth=0 and depth=1 types, or a |
| function that has only depth=0 and depth=1 types for its return |
| value and argument types. |
| |
| The meanings of depth=2 and depth=3 are obvious by induction. |
| Varargs functions are depth=3. The type `va_list' is depth=3. |
| |
| The purpose of measuring pointer depth of a type is to determine |
| the eligibility of a function for an automatically-generated |
| bounded-pointer thunk. A depth=0 functions needs no thunk. A |
| depth=1 function is eligible for an automatic thunk. Functions |
| with depth 2 or more are too complex to get automatic thunks. |
| |
| Function decls also have a pointer_depth field, since we also |
| consider the actual argument types for functions. */ |
| |
| #define TYPE_POINTER_DEPTH(TYPE) (TYPE_CHECK (TYPE)->type.pointer_depth) |
| |
| /* In a FUNCTION_TYPE node, this bit stores the value of |
| default_pointer_boundedness at the time TYPE was created. It is |
| useful for choosing default boundedness of function arguments for |
| non-prototype function decls and for varargs/stdarg lists. */ |
| #define TYPE_AMBIENT_BOUNDEDNESS(TYPE) \ |
| (FUNCTION_TYPE_CHECK (TYPE)->type.transparent_union_flag) |
| |
| #define MAX_POINTER_DEPTH 2 |
| #define VA_LIST_POINTER_DEPTH 3 |
| |
| struct die_struct; |
| |
| struct tree_type GTY(()) |
| { |
| struct tree_common common; |
| tree values; |
| tree size; |
| tree size_unit; |
| tree attributes; |
| unsigned int uid; |
| |
| unsigned int precision : 9; |
| ENUM_BITFIELD(machine_mode) mode : 7; |
| |
| unsigned string_flag : 1; |
| unsigned no_force_blk_flag : 1; |
| unsigned needs_constructing_flag : 1; |
| unsigned transparent_union_flag : 1; |
| unsigned packed_flag : 1; |
| unsigned restrict_flag : 1; |
| unsigned pointer_depth : 2; |
| |
| unsigned lang_flag_0 : 1; |
| unsigned lang_flag_1 : 1; |
| unsigned lang_flag_2 : 1; |
| unsigned lang_flag_3 : 1; |
| unsigned lang_flag_4 : 1; |
| unsigned lang_flag_5 : 1; |
| unsigned lang_flag_6 : 1; |
| unsigned user_align : 1; |
| |
| unsigned int align; |
| tree pointer_to; |
| tree reference_to; |
| union tree_type_symtab { |
| int address; |
| char * GTY ((tag ("1"))) pointer; |
| struct die_struct * GTY ((tag ("2"), skip (""))) die; |
| } GTY ((desc ("debug_hooks == &sdb_debug_hooks ? 1 : debug_hooks == &dwarf2_debug_hooks ? 2 : 0"), |
| descbits ("2"))) symtab; |
| tree name; |
| tree minval; |
| tree maxval; |
| tree next_variant; |
| tree main_variant; |
| tree binfo; |
| tree context; |
| HOST_WIDE_INT alias_set; |
| /* Points to a structure whose details depend on the language in use. */ |
| struct lang_type *lang_specific; |
| }; |
| |
| /* Define accessor macros for information about type inheritance |
| and basetypes. |
| |
| A "basetype" means a particular usage of a data type for inheritance |
| in another type. Each such basetype usage has its own "binfo" |
| object to describe it. The binfo object is a TREE_VEC node. |
| |
| Inheritance is represented by the binfo nodes allocated for a |
| given type. For example, given types C and D, such that D is |
| inherited by C, 3 binfo nodes will be allocated: one for describing |
| the binfo properties of C, similarly one for D, and one for |
| describing the binfo properties of D as a base type for C. |
| Thus, given a pointer to class C, one can get a pointer to the binfo |
| of D acting as a basetype for C by looking at C's binfo's basetypes. */ |
| |
| /* The actual data type node being inherited in this basetype. */ |
| #define BINFO_TYPE(NODE) TREE_TYPE (NODE) |
| |
| /* The offset where this basetype appears in its containing type. |
| BINFO_OFFSET slot holds the offset (in bytes) |
| from the base of the complete object to the base of the part of the |
| object that is allocated on behalf of this `type'. |
| This is always 0 except when there is multiple inheritance. */ |
| |
| #define BINFO_OFFSET(NODE) TREE_VEC_ELT ((NODE), 1) |
| #define TYPE_BINFO_OFFSET(NODE) BINFO_OFFSET (TYPE_BINFO (NODE)) |
| #define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE))) |
| |
| /* The virtual function table belonging to this basetype. Virtual |
| function tables provide a mechanism for run-time method dispatching. |
| The entries of a virtual function table are language-dependent. */ |
| |
| #define BINFO_VTABLE(NODE) TREE_VEC_ELT ((NODE), 2) |
| #define TYPE_BINFO_VTABLE(NODE) BINFO_VTABLE (TYPE_BINFO (NODE)) |
| |
| /* The virtual functions in the virtual function table. This is |
| a TREE_LIST that is used as an initial approximation for building |
| a virtual function table for this basetype. */ |
| #define BINFO_VIRTUALS(NODE) TREE_VEC_ELT ((NODE), 3) |
| #define TYPE_BINFO_VIRTUALS(NODE) BINFO_VIRTUALS (TYPE_BINFO (NODE)) |
| |
| /* A vector of binfos for the direct basetypes inherited by this |
| basetype. |
| |
| If this basetype describes type D as inherited in C, and if the |
| basetypes of D are E and F, then this vector contains binfos for |
| inheritance of E and F by C. |
| |
| ??? This could probably be done by just allocating the |
| base types at the end of this TREE_VEC (instead of using |
| another TREE_VEC). This would simplify the calculation |
| of how many basetypes a given type had. */ |
| #define BINFO_BASETYPES(NODE) TREE_VEC_ELT ((NODE), 4) |
| #define TYPE_BINFO_BASETYPES(NODE) TREE_VEC_ELT (TYPE_BINFO (NODE), 4) |
| |
| /* The number of basetypes for NODE. */ |
| #define BINFO_N_BASETYPES(NODE) \ |
| (BINFO_BASETYPES (NODE) ? TREE_VEC_LENGTH (BINFO_BASETYPES (NODE)) : 0) |
| |
| /* Accessor macro to get to the Nth basetype of this basetype. */ |
| #define BINFO_BASETYPE(NODE,N) TREE_VEC_ELT (BINFO_BASETYPES (NODE), (N)) |
| #define TYPE_BINFO_BASETYPE(NODE,N) \ |
| BINFO_TYPE (TREE_VEC_ELT (BINFO_BASETYPES (TYPE_BINFO (NODE)), (N))) |
| |
| /* For a BINFO record describing a virtual base class, i.e., one where |
| TREE_VIA_VIRTUAL is set, this field assists in locating the virtual |
| base. The actual contents are language-dependent. Under the old |
| ABI, the C++ front-end uses a FIELD_DECL whose contents are a |
| pointer to the virtual base; under the new ABI this field is |
| instead an INTEGER_CST giving an offset into the vtable where the |
| offset to the virtual base can be found. */ |
| #define BINFO_VPTR_FIELD(NODE) TREE_VEC_ELT (NODE, 5) |
| |
| /* The size of a base class subobject of this type. Not all frontends |
| currently allocate the space for these fields. */ |
| #define BINFO_SIZE(NODE) TREE_VEC_ELT (NODE, 6) |
| #define BINFO_SIZE_UNIT(NODE) TREE_VEC_ELT (NODE, 7) |
| #define TYPE_BINFO_SIZE(NODE) BINFO_SIZE (TYPE_BINFO (NODE)) |
| #define TYPE_BINFO_SIZE_UNIT(NODE) BINFO_SIZE_UNIT (TYPE_BINFO (NODE)) |
| |
| /* Slot used to build a chain that represents a use of inheritance. |
| For example, if X is derived from Y, and Y is derived from Z, |
| then this field can be used to link the binfo node for X to |
| the binfo node for X's Y to represent the use of inheritance |
| from X to Y. Similarly, this slot of the binfo node for X's Y |
| can point to the Z from which Y is inherited (in X's inheritance |
| hierarchy). In this fashion, one can represent and traverse specific |
| uses of inheritance using the binfo nodes themselves (instead of |
| consing new space pointing to binfo nodes). |
| It is up to the language-dependent front-ends to maintain |
| this information as necessary. */ |
| #define BINFO_INHERITANCE_CHAIN(NODE) TREE_VEC_ELT ((NODE), 0) |
| |
| /* Define fields and accessors for nodes representing declared names. */ |
| |
| /* Nonzero if DECL represents a decl. */ |
| #define DECL_P(DECL) (TREE_CODE_CLASS (TREE_CODE (DECL)) == 'd') |
| |
| /* This is the name of the object as written by the user. |
| It is an IDENTIFIER_NODE. */ |
| #define DECL_NAME(NODE) (DECL_CHECK (NODE)->decl.name) |
| |
| /* The name of the object as the assembler will see it (but before any |
| translations made by ASM_OUTPUT_LABELREF). Often this is the same |
| as DECL_NAME. It is an IDENTIFIER_NODE. */ |
| #define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE) |
| |
| /* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set. If zero, |
| the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set |
| yet. */ |
| #define DECL_ASSEMBLER_NAME_SET_P(NODE) \ |
| (DECL_CHECK (NODE)->decl.assembler_name != NULL_TREE) |
| |
| /* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */ |
| #define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \ |
| (DECL_CHECK (NODE)->decl.assembler_name = (NAME)) |
| |
| /* Copy the DECL_ASSEMBLER_NAME from DECL1 to DECL2. Note that if DECL1's |
| DECL_ASSEMBLER_NAME has not yet been set, using this macro will not cause |
| the DECL_ASSEMBLER_NAME of either DECL to be set. In other words, the |
| semantics of using this macro, are different than saying: |
| |
| SET_DECL_ASSEMBLER_NAME(DECL2, DECL_ASSEMBLER_NAME (DECL1)) |
| |
| which will try to set the DECL_ASSEMBLER_NAME for DECL1. */ |
| |
| #define COPY_DECL_ASSEMBLER_NAME(DECL1, DECL2) \ |
| (DECL_ASSEMBLER_NAME_SET_P (DECL1) \ |
| ? (void) SET_DECL_ASSEMBLER_NAME (DECL2, \ |
| DECL_ASSEMBLER_NAME (DECL1)) \ |
| : (void) 0) |
| |
| /* Records the section name in a section attribute. Used to pass |
| the name from decl_attributes to make_function_rtl and make_decl_rtl. */ |
| #define DECL_SECTION_NAME(NODE) (DECL_CHECK (NODE)->decl.section_name) |
| |
| /* For FIELD_DECLs, this is the |
| RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE node that the field is |
| a member of. For VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL, |
| and CONST_DECL nodes, this points to either the FUNCTION_DECL for the |
| containing function, the RECORD_TYPE or UNION_TYPE for the containing |
| type, or NULL_TREE if the given decl has "file scope". */ |
| #define DECL_CONTEXT(NODE) (DECL_CHECK (NODE)->decl.context) |
| #define DECL_FIELD_CONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.context) |
| /* In a DECL this is the field where attributes are stored. */ |
| #define DECL_ATTRIBUTES(NODE) (DECL_CHECK (NODE)->decl.attributes) |
| /* In a FIELD_DECL, this is the field position, counting in bytes, of the |
| byte containing the bit closest to the beginning of the structure. */ |
| #define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.arguments) |
| /* In a FIELD_DECL, this is the offset, in bits, of the first bit of the |
| field from DECL_FIELD_OFFSET. */ |
| #define DECL_FIELD_BIT_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.u2.t) |
| /* In a FIELD_DECL, this indicates whether the field was a bit-field and |
| if so, the type that was originally specified for it. |
| TREE_TYPE may have been modified (in finish_struct). */ |
| #define DECL_BIT_FIELD_TYPE(NODE) (FIELD_DECL_CHECK (NODE)->decl.result) |
| /* In FUNCTION_DECL, a chain of ..._DECL nodes. |
| VAR_DECL and PARM_DECL reserve the arguments slot for language-specific |
| uses. */ |
| #define DECL_ARGUMENTS(NODE) (DECL_CHECK (NODE)->decl.arguments) |
| /* This field is used to reference anything in decl.result and is meant only |
| for use by the garbage collector. */ |
| #define DECL_RESULT_FLD(NODE) (DECL_CHECK (NODE)->decl.result) |
| /* In FUNCTION_DECL, holds the decl for the return value. */ |
| #define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.result) |
| /* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */ |
| #define DECL_ORIGINAL_TYPE(NODE) (TYPE_DECL_CHECK (NODE)->decl.result) |
| /* In PARM_DECL, holds the type as written (perhaps a function or array). */ |
| #define DECL_ARG_TYPE_AS_WRITTEN(NODE) (PARM_DECL_CHECK (NODE)->decl.result) |
| /* For a FUNCTION_DECL, holds the tree of BINDINGs. |
| For a VAR_DECL, holds the initial value. |
| For a PARM_DECL, not used--default |
| values for parameters are encoded in the type of the function, |
| not in the PARM_DECL slot. */ |
| #define DECL_INITIAL(NODE) (DECL_CHECK (NODE)->decl.initial) |
| /* For a PARM_DECL, records the data type used to pass the argument, |
| which may be different from the type seen in the program. */ |
| #define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl.initial) |
| /* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which |
| if nonzero, indicates that the field occupies the type. */ |
| #define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->decl.initial) |
| /* These two fields describe where in the source code the declaration |
| was. If the declaration appears in several places (as for a C |
| function that is declared first and then defined later), this |
| information should refer to the definition. */ |
| #define DECL_SOURCE_LOCATION(NODE) (DECL_CHECK (NODE)->decl.locus) |
| #define DECL_SOURCE_FILE(NODE) (DECL_SOURCE_LOCATION (NODE).file) |
| #define DECL_SOURCE_LINE(NODE) (DECL_SOURCE_LOCATION (NODE).line) |
| /* Holds the size of the datum, in bits, as a tree expression. |
| Need not be constant. */ |
| #define DECL_SIZE(NODE) (DECL_CHECK (NODE)->decl.size) |
| /* Likewise for the size in bytes. */ |
| #define DECL_SIZE_UNIT(NODE) (DECL_CHECK (NODE)->decl.size_unit) |
| /* Holds the alignment required for the datum, in bits. */ |
| #define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.u1.a.align) |
| /* The alignment of NODE, in bytes. */ |
| #define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT) |
| /* For FIELD_DECLs, off_align holds the number of low-order bits of |
| DECL_FIELD_OFFSET which are known to be always zero. |
| DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET |
| has. */ |
| #define DECL_OFFSET_ALIGN(NODE) \ |
| (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align) |
| /* Specify that DECL_ALIGN(NODE) is a multiple of X. */ |
| #define SET_DECL_OFFSET_ALIGN(NODE, X) \ |
| (FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align = exact_log2 ((X) & -(X))) |
| /* 1 if the alignment for this type was requested by "aligned" attribute, |
| 0 if it is the default for this type. */ |
| #define DECL_USER_ALIGN(NODE) (DECL_CHECK (NODE)->decl.user_align) |
| /* Holds the machine mode corresponding to the declaration of a variable or |
| field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a |
| FIELD_DECL. */ |
| #define DECL_MODE(NODE) (DECL_CHECK (NODE)->decl.mode) |
| /* Holds the RTL expression for the value of a variable or function. If |
| PROMOTED_MODE is defined, the mode of this expression may not be same |
| as DECL_MODE. In that case, DECL_MODE contains the mode corresponding |
| to the variable's data type, while the mode |
| of DECL_RTL is the mode actually used to contain the data. |
| |
| This value can be evaluated lazily for functions, variables with |
| static storage duration, and labels. */ |
| #define DECL_RTL(NODE) \ |
| (DECL_CHECK (NODE)->decl.rtl \ |
| ? (NODE)->decl.rtl \ |
| : (make_decl_rtl (NODE, NULL), (NODE)->decl.rtl)) |
| /* Set the DECL_RTL for NODE to RTL. */ |
| #define SET_DECL_RTL(NODE, RTL) (DECL_CHECK (NODE)->decl.rtl = (RTL)) |
| /* Returns nonzero if the DECL_RTL for NODE has already been set. */ |
| #define DECL_RTL_SET_P(NODE) (DECL_CHECK (NODE)->decl.rtl != NULL) |
| /* Copy the RTL from NODE1 to NODE2. If the RTL was not set for |
| NODE1, it will not be set for NODE2; this is a lazy copy. */ |
| #define COPY_DECL_RTL(NODE1, NODE2) \ |
| (DECL_CHECK (NODE2)->decl.rtl = DECL_CHECK (NODE1)->decl.rtl) |
| /* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */ |
| #define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL) |
| |
| /* Holds an INSN_LIST of all of the live ranges in which the variable |
| has been moved to a possibly different register. */ |
| #define DECL_LIVE_RANGE_RTL(NODE) (DECL_CHECK (NODE)->decl.live_range_rtl) |
| |
| /* For PARM_DECL, holds an RTL for the stack slot or register |
| where the data was actually passed. */ |
| #define DECL_INCOMING_RTL(NODE) (PARM_DECL_CHECK (NODE)->decl.u2.r) |
| |
| /* For FUNCTION_DECL, if it is inline, holds the saved insn chain. */ |
| #define DECL_SAVED_INSNS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u2.f) |
| |
| /* For FUNCTION_DECL, if it is built-in, |
| this identifies which built-in operation it is. */ |
| #define DECL_FUNCTION_CODE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.f) |
| |
| /* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways. |
| Before the struct containing the FUNCTION_DECL is laid out, |
| DECL_VINDEX may point to a FUNCTION_DECL in a base class which |
| is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual |
| function. When the class is laid out, this pointer is changed |
| to an INTEGER_CST node which is suitable for use as an index |
| into the virtual function table. */ |
| #define DECL_VINDEX(NODE) (DECL_CHECK (NODE)->decl.vindex) |
| |
| /* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in |
| which this FIELD_DECL is defined. This information is needed when |
| writing debugging information about vfield and vbase decls for C++. */ |
| #define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.vindex) |
| |
| /* Every ..._DECL node gets a unique number. */ |
| #define DECL_UID(NODE) (DECL_CHECK (NODE)->decl.uid) |
| |
| /* For any sort of a ..._DECL node, this points to the original (abstract) |
| decl node which this decl is an instance of, or else it is NULL indicating |
| that this decl is not an instance of some other decl. For example, |
| in a nested declaration of an inline function, this points back to the |
| definition. */ |
| #define DECL_ABSTRACT_ORIGIN(NODE) (DECL_CHECK (NODE)->decl.abstract_origin) |
| |
| /* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract |
| origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */ |
| #define DECL_ORIGIN(NODE) \ |
| (DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE)) |
| |
| /* Nonzero for any sort of ..._DECL node means this decl node represents an |
| inline instance of some original (abstract) decl from an inline function; |
| suppress any warnings about shadowing some other variable. FUNCTION_DECL |
| nodes can also have their abstract origin set to themselves. */ |
| #define DECL_FROM_INLINE(NODE) (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \ |
| && DECL_ABSTRACT_ORIGIN (NODE) != (NODE)) |
| |
| /* Nonzero if a _DECL means that the name of this decl should be ignored |
| for symbolic debug purposes. */ |
| #define DECL_IGNORED_P(NODE) (DECL_CHECK (NODE)->decl.ignored_flag) |
| |
| /* Nonzero for a given ..._DECL node means that this node represents an |
| "abstract instance" of the given declaration (e.g. in the original |
| declaration of an inline function). When generating symbolic debugging |
| information, we mustn't try to generate any address information for nodes |
| marked as "abstract instances" because we don't actually generate |
| any code or allocate any data space for such instances. */ |
| #define DECL_ABSTRACT(NODE) (DECL_CHECK (NODE)->decl.abstract_flag) |
| |
| /* Nonzero if a _DECL means that no warnings should be generated just |
| because this decl is unused. */ |
| #define DECL_IN_SYSTEM_HEADER(NODE) \ |
| (DECL_CHECK (NODE)->decl.in_system_header_flag) |
| |
| /* Nonzero for a given ..._DECL node means that this node should be |
| put in .common, if possible. If a DECL_INITIAL is given, and it |
| is not error_mark_node, then the decl cannot be put in .common. */ |
| #define DECL_COMMON(NODE) (DECL_CHECK (NODE)->decl.common_flag) |
| |
| /* Language-specific decl information. */ |
| #define DECL_LANG_SPECIFIC(NODE) (DECL_CHECK (NODE)->decl.lang_specific) |
| |
| /* In a VAR_DECL or FUNCTION_DECL, |
| nonzero means external reference: |
| do not allocate storage, and refer to a definition elsewhere. */ |
| #define DECL_EXTERNAL(NODE) (DECL_CHECK (NODE)->decl.external_flag) |
| |
| /* In a VAR_DECL for a RECORD_TYPE, sets number for non-init_priority |
| initializatons. */ |
| #define DEFAULT_INIT_PRIORITY 65535 |
| #define MAX_INIT_PRIORITY 65535 |
| #define MAX_RESERVED_INIT_PRIORITY 100 |
| |
| /* In a TYPE_DECL |
| nonzero means the detail info about this type is not dumped into stabs. |
| Instead it will generate cross reference ('x') of names. |
| This uses the same flag as DECL_EXTERNAL. */ |
| #define TYPE_DECL_SUPPRESS_DEBUG(NODE) \ |
| (TYPE_DECL_CHECK (NODE)->decl.external_flag) |
| |
| /* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */ |
| #define DECL_REGISTER(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag) |
| |
| /* In LABEL_DECL nodes, nonzero means that an error message about |
| jumping into such a binding contour has been printed for this label. */ |
| #define DECL_ERROR_ISSUED(NODE) (LABEL_DECL_CHECK (NODE)->decl.regdecl_flag) |
| |
| /* In a FIELD_DECL, indicates this field should be bit-packed. */ |
| #define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->decl.regdecl_flag) |
| |
| /* In a FUNCTION_DECL with a nonzero DECL_CONTEXT, indicates that a |
| static chain is not needed. */ |
| #define DECL_NO_STATIC_CHAIN(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->decl.regdecl_flag) |
| |
| /* Nonzero in a ..._DECL means this variable is ref'd from a nested function. |
| For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes. |
| |
| For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted. |
| |
| Also set in some languages for variables, etc., outside the normal |
| lexical scope, such as class instance variables. */ |
| #define DECL_NONLOCAL(NODE) (DECL_CHECK (NODE)->decl.nonlocal_flag) |
| |
| /* Nonzero in a FUNCTION_DECL means this function can be substituted |
| where it is called. */ |
| #define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inline_flag) |
| |
| /* Nonzero in a FUNCTION_DECL means this function has been found inlinable |
| only by virtue of -finline-functions */ |
| #define DID_INLINE_FUNC(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->decl.inlined_function_flag) |
| |
| /* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */ |
| #define DECL_UNINLINABLE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.uninlinable) |
| |
| /* In a VAR_DECL, nonzero if the data should be allocated from |
| thread-local storage. */ |
| #define DECL_THREAD_LOCAL(NODE) (VAR_DECL_CHECK (NODE)->decl.thread_local_flag) |
| |
| /* In a FUNCTION_DECL, the saved representation of the body of the |
| entire function. Usually a COMPOUND_STMT, but in C++ this may also |
| be a RETURN_INIT, CTOR_INITIALIZER, or TRY_BLOCK. */ |
| #define DECL_SAVED_TREE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.saved_tree) |
| |
| /* List of FUNCTION_DECLs inlined into this function's body. */ |
| #define DECL_INLINED_FNS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inlined_fns) |
| |
| /* Nonzero in a FUNCTION_DECL means this is a built-in function |
| that is not specified by ansi C and that users are supposed to be allowed |
| to redefine for any purpose whatever. */ |
| #define DECL_BUILT_IN_NONANSI(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->common.unsigned_flag) |
| |
| /* Nonzero in a FUNCTION_DECL means this function should be treated |
| as if it were a malloc, meaning it returns a pointer that is |
| not an alias. */ |
| #define DECL_IS_MALLOC(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.malloc_flag) |
| |
| /* Nonzero in a FUNCTION_DECL means this function should be treated |
| as "pure" function (like const function, but may read global memory). */ |
| #define DECL_IS_PURE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.pure_flag) |
| |
| /* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed |
| specially. */ |
| #define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl.bit_field_flag) |
| |
| /* In a LABEL_DECL, nonzero means label was defined inside a binding |
| contour that restored a stack level and which is now exited. */ |
| #define DECL_TOO_LATE(NODE) (LABEL_DECL_CHECK (NODE)->decl.bit_field_flag) |
| |
| /* Unused in FUNCTION_DECL. */ |
| |
| /* In a VAR_DECL that's static, |
| nonzero if the space is in the text section. */ |
| #define DECL_IN_TEXT_SECTION(NODE) (VAR_DECL_CHECK (NODE)->decl.bit_field_flag) |
| |
| /* In a FUNCTION_DECL, nonzero means a built in function. */ |
| #define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN) |
| |
| /* For a builtin function, identify which part of the compiler defined it. */ |
| #define DECL_BUILT_IN_CLASS(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->decl.built_in_class) |
| |
| /* Used in VAR_DECLs to indicate that the variable is a vtable. |
| Used in FIELD_DECLs for vtable pointers. |
| Used in FUNCTION_DECLs to indicate that the function is virtual. */ |
| #define DECL_VIRTUAL_P(NODE) (DECL_CHECK (NODE)->decl.virtual_flag) |
| |
| /* Used to indicate that the linkage status of this DECL is not yet known, |
| so it should not be output now. */ |
| #define DECL_DEFER_OUTPUT(NODE) (DECL_CHECK (NODE)->decl.defer_output) |
| |
| /* Used in PARM_DECLs whose type are unions to indicate that the |
| argument should be passed in the same way that the first union |
| alternative would be passed. */ |
| #define DECL_TRANSPARENT_UNION(NODE) \ |
| (PARM_DECL_CHECK (NODE)->decl.transparent_union) |
| |
| /* Used in FUNCTION_DECLs to indicate that they should be run automatically |
| at the beginning or end of execution. */ |
| #define DECL_STATIC_CONSTRUCTOR(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->decl.static_ctor_flag) |
| |
| #define DECL_STATIC_DESTRUCTOR(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->decl.static_dtor_flag) |
| |
| /* Used to indicate that this DECL represents a compiler-generated entity. */ |
| #define DECL_ARTIFICIAL(NODE) (DECL_CHECK (NODE)->decl.artificial_flag) |
| |
| /* Used to indicate that this DECL has weak linkage. */ |
| #define DECL_WEAK(NODE) (DECL_CHECK (NODE)->decl.weak_flag) |
| |
| /* Used in TREE_PUBLIC decls to indicate that copies of this DECL in |
| multiple translation units should be merged. */ |
| #define DECL_ONE_ONLY(NODE) (DECL_CHECK (NODE)->decl.transparent_union) |
| |
| /* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need |
| not be put out unless it is needed in this translation unit. |
| Entities like this are shared across translation units (like weak |
| entities), but are guaranteed to be generated by any translation |
| unit that needs them, and therefore need not be put out anywhere |
| where they are not needed. DECL_COMDAT is just a hint to the |
| back-end; it is up to front-ends which set this flag to ensure |
| that there will never be any harm, other than bloat, in putting out |
| something which is DECL_COMDAT. */ |
| #define DECL_COMDAT(NODE) (DECL_CHECK (NODE)->decl.comdat_flag) |
| |
| /* Used in FUNCTION_DECLs to indicate that function entry and exit should |
| be instrumented with calls to support routines. */ |
| #define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->decl.no_instrument_function_entry_exit) |
| |
| /* Used in FUNCTION_DECLs to indicate that limit-stack-* should be |
| disabled in this function. */ |
| #define DECL_NO_LIMIT_STACK(NODE) \ |
| (FUNCTION_DECL_CHECK (NODE)->decl.no_limit_stack) |
| |
| /* Additional flags for language-specific uses. */ |
| #define DECL_LANG_FLAG_0(NODE) (DECL_CHECK (NODE)->decl.lang_flag_0) |
| #define DECL_LANG_FLAG_1(NODE) (DECL_CHECK (NODE)->decl.lang_flag_1) |
| #define DECL_LANG_FLAG_2(NODE) (DECL_CHECK (NODE)->decl.lang_flag_2) |
| #define DECL_LANG_FLAG_3(NODE) (DECL_CHECK (NODE)->decl.lang_flag_3) |
| #define DECL_LANG_FLAG_4(NODE) (DECL_CHECK (NODE)->decl.lang_flag_4) |
| #define DECL_LANG_FLAG_5(NODE) (DECL_CHECK (NODE)->decl.lang_flag_5) |
| #define DECL_LANG_FLAG_6(NODE) (DECL_CHECK (NODE)->decl.lang_flag_6) |
| #define DECL_LANG_FLAG_7(NODE) (DECL_CHECK (NODE)->decl.lang_flag_7) |
| |
| /* Used to indicate that the pointer to this DECL cannot be treated as |
| an address constant. */ |
| #define DECL_NON_ADDR_CONST_P(NODE) (DECL_CHECK (NODE)->decl.non_addr_const_p) |
| |
| /* Used in a FIELD_DECL to indicate that we cannot form the address of |
| this component. */ |
| #define DECL_NONADDRESSABLE_P(NODE) \ |
| (FIELD_DECL_CHECK (NODE)->decl.non_addressable) |
| |
| /* Used to indicate an alias set for the memory pointed to by this |
| particular FIELD_DECL, PARM_DECL, or VAR_DECL, which must have |
| pointer (or reference) type. */ |
| #define DECL_POINTER_ALIAS_SET(NODE) \ |
| (DECL_CHECK (NODE)->decl.pointer_alias_set) |
| |
| /* Nonzero if an alias set has been assigned to this declaration. */ |
| #define DECL_POINTER_ALIAS_SET_KNOWN_P(NODE) \ |
| (DECL_POINTER_ALIAS_SET (NODE) != - 1) |
| |
| /* The pointer_depth field comprises two bits for values in the range |
| 0..3. The value is normally equal to TYPE_POINTER_DEPTH of decl's |
| type node, but for functions it migth be greater. For example, |
| this can happen when the function is declared to accept a parameter |
| of type void* (depth=1), but is actually called with an argument of |
| type foo** (depth=2). The function type will get the formal |
| parameter's depth, but the function decl will get the actual |
| argument's depth. */ |
| #define DECL_POINTER_DEPTH(DECL) (DECL_CHECK (DECL)->decl.pointer_depth) |
| |
| struct function; |
| |
| struct tree_decl GTY(()) |
| { |
| struct tree_common common; |
| location_t locus; |
| unsigned int uid; |
| tree size; |
| ENUM_BITFIELD(machine_mode) mode : 8; |
| |
| unsigned external_flag : 1; |
| unsigned nonlocal_flag : 1; |
| unsigned regdecl_flag : 1; |
| unsigned inline_flag : 1; |
| unsigned bit_field_flag : 1; |
| unsigned virtual_flag : 1; |
| unsigned ignored_flag : 1; |
| unsigned abstract_flag : 1; |
| |
| unsigned in_system_header_flag : 1; |
| unsigned common_flag : 1; |
| unsigned defer_output : 1; |
| unsigned transparent_union : 1; |
| unsigned static_ctor_flag : 1; |
| unsigned static_dtor_flag : 1; |
| unsigned artificial_flag : 1; |
| unsigned weak_flag : 1; |
| |
| unsigned non_addr_const_p : 1; |
| unsigned no_instrument_function_entry_exit : 1; |
| unsigned comdat_flag : 1; |
| unsigned malloc_flag : 1; |
| unsigned no_limit_stack : 1; |
| ENUM_BITFIELD(built_in_class) built_in_class : 2; |
| unsigned pure_flag : 1; |
| |
| unsigned pointer_depth : 2; |
| unsigned non_addressable : 1; |
| unsigned user_align : 1; |
| unsigned uninlinable : 1; |
| unsigned thread_local_flag : 1; |
| unsigned inlined_function_flag : 1; |
| /* One unused bit. */ |
| |
| unsigned lang_flag_0 : 1; |
| unsigned lang_flag_1 : 1; |
| unsigned lang_flag_2 : 1; |
| unsigned lang_flag_3 : 1; |
| unsigned lang_flag_4 : 1; |
| unsigned lang_flag_5 : 1; |
| unsigned lang_flag_6 : 1; |
| unsigned lang_flag_7 : 1; |
| |
| union tree_decl_u1 { |
| /* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is |
| DECL_FUNCTION_CODE. */ |
| enum built_in_function f; |
| /* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this |
| is used by language-dependent code. */ |
| HOST_WIDE_INT i; |
| /* DECL_ALIGN and DECL_OFFSET_ALIGN. (These are not used for |
| FUNCTION_DECLs). */ |
| struct tree_decl_u1_a { |
| unsigned int align : 24; |
| unsigned int off_align : 8; |
| } a; |
| } GTY ((skip (""))) u1; |
| |
| tree size_unit; |
| tree name; |
| tree context; |
| tree arguments; /* Also used for DECL_FIELD_OFFSET */ |
| tree result; /* Also used for DECL_BIT_FIELD_TYPE */ |
| tree initial; /* Also used for DECL_QUALIFIER */ |
| tree abstract_origin; |
| tree assembler_name; |
| tree section_name; |
| tree attributes; |
| rtx rtl; /* RTL representation for object. */ |
| rtx live_range_rtl; |
| |
| /* In FUNCTION_DECL, if it is inline, holds the saved insn chain. |
| In FIELD_DECL, is DECL_FIELD_BIT_OFFSET. |
| In PARM_DECL, holds an RTL for the stack slot |
| of register where the data was actually passed. |
| Used by Chill and Java in LABEL_DECL and by C++ and Java in VAR_DECL. */ |
| union tree_decl_u2 { |
| struct function * GTY ((tag ("FUNCTION_DECL"))) f; |
| rtx GTY ((tag ("PARM_DECL"))) r; |
| tree GTY ((tag ("FIELD_DECL"))) t; |
| int i; |
| } GTY ((desc ("TREE_CODE((tree) &(%0))"))) u2; |
| |
| /* In a FUNCTION_DECL, this is DECL_SAVED_TREE. */ |
| tree saved_tree; |
| |
| /* In a FUNCTION_DECL, these are function data which is to be kept |
| as long as FUNCTION_DECL is kept. */ |
| tree inlined_fns; |
| |
| tree vindex; |
| HOST_WIDE_INT pointer_alias_set; |
| /* Points to a structure whose details depend on the language in use. */ |
| struct lang_decl *lang_specific; |
| }; |
| |
| enum tree_node_structure_enum { |
| TS_COMMON, |
| TS_INT_CST, |
| TS_REAL_CST, |
| TS_VECTOR, |
| TS_STRING, |
| TS_COMPLEX, |
| TS_IDENTIFIER, |
| TS_DECL, |
| TS_TYPE, |
| TS_LIST, |
| TS_VEC, |
| TS_EXP, |
| TS_BLOCK, |
| LAST_TS_ENUM |
| }; |
| |
| /* Define the overall contents of a tree node. |
| It may be any of the structures declared above |
| for various types of node. */ |
| |
| union tree_node GTY ((ptr_alias (union lang_tree_node), |
| desc ("tree_node_structure (&%h)"))) |
| { |
| struct tree_common GTY ((tag ("TS_COMMON"))) common; |
| struct tree_int_cst GTY ((tag ("TS_INT_CST"))) int_cst; |
| struct tree_real_cst GTY ((tag ("TS_REAL_CST"))) real_cst; |
| struct tree_vector GTY ((tag ("TS_VECTOR"))) vector; |
| struct tree_string GTY ((tag ("TS_STRING"))) string; |
| struct tree_complex GTY ((tag ("TS_COMPLEX"))) complex; |
| struct tree_identifier GTY ((tag ("TS_IDENTIFIER"))) identifier; |
| struct tree_decl GTY ((tag ("TS_DECL"))) decl; |
| struct tree_type GTY ((tag ("TS_TYPE"))) type; |
| struct tree_list GTY ((tag ("TS_LIST"))) list; |
| struct tree_vec GTY ((tag ("TS_VEC"))) vec; |
| struct tree_exp GTY ((tag ("TS_EXP"))) exp; |
| struct tree_block GTY ((tag ("TS_BLOCK"))) block; |
| }; |
| |
| /* Standard named or nameless data types of the C compiler. */ |
| |
| enum tree_index |
| { |
| TI_ERROR_MARK, |
| TI_INTQI_TYPE, |
| TI_INTHI_TYPE, |
| TI_INTSI_TYPE, |
| TI_INTDI_TYPE, |
| TI_INTTI_TYPE, |
| |
| TI_UINTQI_TYPE, |
| TI_UINTHI_TYPE, |
| TI_UINTSI_TYPE, |
| TI_UINTDI_TYPE, |
| TI_UINTTI_TYPE, |
| |
| TI_INTEGER_ZERO, |
| TI_INTEGER_ONE, |
| TI_INTEGER_MINUS_ONE, |
| TI_NULL_POINTER, |
| |
| TI_SIZE_ZERO, |
| TI_SIZE_ONE, |
| |
| TI_BITSIZE_ZERO, |
| TI_BITSIZE_ONE, |
| TI_BITSIZE_UNIT, |
| |
| TI_COMPLEX_INTEGER_TYPE, |
| TI_COMPLEX_FLOAT_TYPE, |
| TI_COMPLEX_DOUBLE_TYPE, |
| TI_COMPLEX_LONG_DOUBLE_TYPE, |
| |
| TI_FLOAT_TYPE, |
| TI_DOUBLE_TYPE, |
| TI_LONG_DOUBLE_TYPE, |
| |
| TI_VOID_TYPE, |
| TI_PTR_TYPE, |
| TI_CONST_PTR_TYPE, |
| TI_SIZE_TYPE, |
| TI_PTRDIFF_TYPE, |
| TI_VA_LIST_TYPE, |
| |
| TI_VOID_LIST_NODE, |
| |
| TI_UV4SF_TYPE, |
| TI_UV4SI_TYPE, |
| TI_UV8HI_TYPE, |
| TI_UV8QI_TYPE, |
| TI_UV4HI_TYPE, |
| TI_UV2HI_TYPE, |
| TI_UV2SI_TYPE, |
| TI_UV2SF_TYPE, |
| TI_UV2DI_TYPE, |
| TI_UV1DI_TYPE, |
| TI_UV16QI_TYPE, |
| |
| TI_V4SF_TYPE, |
| TI_V16SF_TYPE, |
| TI_V4SI_TYPE, |
| TI_V8HI_TYPE, |
| TI_V8QI_TYPE, |
| TI_V4HI_TYPE, |
| TI_V2HI_TYPE, |
| TI_V2SI_TYPE, |
| TI_V2SF_TYPE, |
| TI_V2DF_TYPE, |
| TI_V2DI_TYPE, |
| TI_V1DI_TYPE, |
| TI_V16QI_TYPE, |
| |
| TI_MAIN_IDENTIFIER, |
| |
| TI_MAX |
| }; |
| |
| extern GTY(()) tree global_trees[TI_MAX]; |
| |
| #define error_mark_node global_trees[TI_ERROR_MARK] |
| |
| #define intQI_type_node global_trees[TI_INTQI_TYPE] |
| #define intHI_type_node global_trees[TI_INTHI_TYPE] |
| #define intSI_type_node global_trees[TI_INTSI_TYPE] |
| #define intDI_type_node global_trees[TI_INTDI_TYPE] |
| #define intTI_type_node global_trees[TI_INTTI_TYPE] |
| |
| #define unsigned_intQI_type_node global_trees[TI_UINTQI_TYPE] |
| #define unsigned_intHI_type_node global_trees[TI_UINTHI_TYPE] |
| #define unsigned_intSI_type_node global_trees[TI_UINTSI_TYPE] |
| #define unsigned_intDI_type_node global_trees[TI_UINTDI_TYPE] |
| #define unsigned_intTI_type_node global_trees[TI_UINTTI_TYPE] |
| |
| #define integer_zero_node global_trees[TI_INTEGER_ZERO] |
| #define integer_one_node global_trees[TI_INTEGER_ONE] |
| #define integer_minus_one_node global_trees[TI_INTEGER_MINUS_ONE] |
| #define size_zero_node global_trees[TI_SIZE_ZERO] |
| #define size_one_node global_trees[TI_SIZE_ONE] |
| #define bitsize_zero_node global_trees[TI_BITSIZE_ZERO] |
| #define bitsize_one_node global_trees[TI_BITSIZE_ONE] |
| #define bitsize_unit_node global_trees[TI_BITSIZE_UNIT] |
| |
| #define null_pointer_node global_trees[TI_NULL_POINTER] |
| |
| #define float_type_node global_trees[TI_FLOAT_TYPE] |
| #define double_type_node global_trees[TI_DOUBLE_TYPE] |
| #define long_double_type_node global_trees[TI_LONG_DOUBLE_TYPE] |
| |
| #define complex_integer_type_node global_trees[TI_COMPLEX_INTEGER_TYPE] |
| #define complex_float_type_node global_trees[TI_COMPLEX_FLOAT_TYPE] |
| #define complex_double_type_node global_trees[TI_COMPLEX_DOUBLE_TYPE] |
| #define complex_long_double_type_node global_trees[TI_COMPLEX_LONG_DOUBLE_TYPE] |
| |
| #define void_type_node global_trees[TI_VOID_TYPE] |
| /* The C type `void *'. */ |
| #define ptr_type_node global_trees[TI_PTR_TYPE] |
| /* The C type `const void *'. */ |
| #define const_ptr_type_node global_trees[TI_CONST_PTR_TYPE] |
| /* The C type `size_t'. */ |
| #define size_type_node global_trees[TI_SIZE_TYPE] |
| #define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE] |
| #define va_list_type_node global_trees[TI_VA_LIST_TYPE] |
| |
| /* The node that should be placed at the end of a parameter list to |
| indicate that the function does not take a variable number of |
| arguments. The TREE_VALUE will be void_type_node and there will be |
| no TREE_CHAIN. Language-independent code should not assume |
| anything else about this node. */ |
| #define void_list_node global_trees[TI_VOID_LIST_NODE] |
| |
| #define main_identifier_node global_trees[TI_MAIN_IDENTIFIER] |
| #define MAIN_NAME_P(NODE) (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node) |
| |
| #define unsigned_V16QI_type_node global_trees[TI_UV16QI_TYPE] |
| #define unsigned_V4SI_type_node global_trees[TI_UV4SI_TYPE] |
| #define unsigned_V8QI_type_node global_trees[TI_UV8QI_TYPE] |
| #define unsigned_V8HI_type_node global_trees[TI_UV8HI_TYPE] |
| #define unsigned_V4HI_type_node global_trees[TI_UV4HI_TYPE] |
| #define unsigned_V2HI_type_node global_trees[TI_UV2HI_TYPE] |
| #define unsigned_V2SI_type_node global_trees[TI_UV2SI_TYPE] |
| #define unsigned_V2DI_type_node global_trees[TI_UV2DI_TYPE] |
| #define unsigned_V1DI_type_node global_trees[TI_UV1DI_TYPE] |
| |
| #define V16QI_type_node global_trees[TI_V16QI_TYPE] |
| #define V4SF_type_node global_trees[TI_V4SF_TYPE] |
| #define V4SI_type_node global_trees[TI_V4SI_TYPE] |
| #define V8QI_type_node global_trees[TI_V8QI_TYPE] |
| #define V8HI_type_node global_trees[TI_V8HI_TYPE] |
| #define V4HI_type_node global_trees[TI_V4HI_TYPE] |
| #define V2HI_type_node global_trees[TI_V2HI_TYPE] |
| #define V2SI_type_node global_trees[TI_V2SI_TYPE] |
| #define V2SF_type_node global_trees[TI_V2SF_TYPE] |
| #define V2DI_type_node global_trees[TI_V2DI_TYPE] |
| #define V2DF_type_node global_trees[TI_V2DF_TYPE] |
| #define V16SF_type_node global_trees[TI_V16SF_TYPE] |
| #define V1DI_type_node global_trees[TI_V1DI_TYPE] |
| |
| /* An enumeration of the standard C integer types. These must be |
| ordered so that shorter types appear before longer ones, and so |
| that signed types appear before unsigned ones, for the correct |
| functioning of interpret_integer() in c-lex.c. */ |
| enum integer_type_kind |
| { |
| itk_char, |
| itk_signed_char, |
| itk_unsigned_char, |
| itk_short, |
| itk_unsigned_short, |
| itk_int, |
| itk_unsigned_int, |
| itk_long, |
| itk_unsigned_long, |
| itk_long_long, |
| itk_unsigned_long_long, |
| itk_none |
| }; |
| |
| typedef enum integer_type_kind integer_type_kind; |
| |
| /* The standard C integer types. Use integer_type_kind to index into |
| this array. */ |
| extern GTY(()) tree integer_types[itk_none]; |
| |
| #define char_type_node integer_types[itk_char] |
| #define signed_char_type_node integer_types[itk_signed_char] |
| #define unsigned_char_type_node integer_types[itk_unsigned_char] |
| #define short_integer_type_node integer_types[itk_short] |
| #define short_unsigned_type_node integer_types[itk_unsigned_short] |
| #define integer_type_node integer_types[itk_int] |
| #define unsigned_type_node integer_types[itk_unsigned_int] |
| #define long_integer_type_node integer_types[itk_long] |
| #define long_unsigned_type_node integer_types[itk_unsigned_long] |
| #define long_long_integer_type_node integer_types[itk_long_long] |
| #define long_long_unsigned_type_node integer_types[itk_unsigned_long_long] |
| |
| /* Set to the default thread-local storage (tls) model to use. */ |
| |
| enum tls_model { |
| TLS_MODEL_GLOBAL_DYNAMIC = 1, |
| TLS_MODEL_LOCAL_DYNAMIC, |
| TLS_MODEL_INITIAL_EXEC, |
| TLS_MODEL_LOCAL_EXEC |
| }; |
| |
| extern enum tls_model flag_tls_default; |
| |
| /* Enumerate visibility settings. */ |
| |
| enum symbol_visibility |
| { |
| VISIBILITY_DEFAULT, |
| VISIBILITY_INTERNAL, |
| VISIBILITY_HIDDEN, |
| VISIBILITY_PROTECTED |
| }; |
| |
| /* A pointer-to-function member type looks like: |
| |
| struct { |
| __P __pfn; |
| ptrdiff_t __delta; |
| }; |
| |
| If __pfn is NULL, it is a NULL pointer-to-member-function. |
| |
| (Because the vtable is always the first thing in the object, we |
| don't need its offset.) If the function is virtual, then PFN is |
| one plus twice the index into the vtable; otherwise, it is just a |
| pointer to the function. |
| |
| Unfortunately, using the lowest bit of PFN doesn't work in |
| architectures that don't impose alignment requirements on function |
| addresses, or that use the lowest bit to tell one ISA from another, |
| for example. For such architectures, we use the lowest bit of |
| DELTA instead of the lowest bit of the PFN, and DELTA will be |
| multiplied by 2. */ |
| |
| enum ptrmemfunc_vbit_where_t |
| { |
| ptrmemfunc_vbit_in_pfn, |
| ptrmemfunc_vbit_in_delta |
| }; |
| |
| #define NULL_TREE (tree) NULL |
| |
| /* Approximate positive square root of a host double. This is for |
| statistical reports, not code generation. */ |
| extern double approx_sqrt PARAMS ((double)); |
| |
| extern tree decl_assembler_name PARAMS ((tree)); |
| |
| /* Compute the number of bytes occupied by 'node'. This routine only |
| looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH. */ |
| |
| extern size_t tree_size PARAMS ((tree)); |
| |
| /* Lowest level primitive for allocating a node. |
| The TREE_CODE is the only argument. Contents are initialized |
| to zero except for a few of the common fields. */ |
| |
| extern tree make_node PARAMS ((enum tree_code)); |
| |
| /* Make a copy of a node, with all the same contents. */ |
| |
| extern tree copy_node PARAMS ((tree)); |
| |
| /* Make a copy of a chain of TREE_LIST nodes. */ |
| |
| extern tree copy_list PARAMS ((tree)); |
| |
| /* Make a TREE_VEC. */ |
| |
| extern tree make_tree_vec PARAMS ((int)); |
| |
| /* Return the (unique) IDENTIFIER_NODE node for a given name. |
| The name is supplied as a char *. */ |
| |
| extern tree get_identifier PARAMS ((const char *)); |
| |
| /* Identical to get_identifier, except that the length is assumed |
| known. */ |
| |
| extern tree get_identifier_with_length PARAMS ((const char *, unsigned int)); |
| |
| /* If an identifier with the name TEXT (a null-terminated string) has |
| previously been referred to, return that node; otherwise return |
| NULL_TREE. */ |
| |
| extern tree maybe_get_identifier PARAMS ((const char *)); |
| |
| /* Construct various types of nodes. */ |
| |
| #define build_int_2(LO, HI) \ |
| build_int_2_wide ((unsigned HOST_WIDE_INT) (LO), (HOST_WIDE_INT) (HI)) |
| |
| extern tree build PARAMS ((enum tree_code, tree, ...)); |
| extern tree build_nt PARAMS ((enum tree_code, ...)); |
| |
| extern tree build_int_2_wide PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT)); |
| extern tree build_vector PARAMS ((tree, tree)); |
| extern tree build_real_from_int_cst PARAMS ((tree, tree)); |
| extern tree build_complex PARAMS ((tree, tree, tree)); |
| extern tree build_string PARAMS ((int, const char *)); |
| extern tree build1 PARAMS ((enum tree_code, tree, tree)); |
| extern tree build_tree_list PARAMS ((tree, tree)); |
| extern tree build_decl PARAMS ((enum tree_code, tree, tree)); |
| extern tree build_block PARAMS ((tree, tree, tree, tree, tree)); |
| extern tree build_expr_wfl PARAMS ((tree, const char *, int, int)); |
| |
| /* Construct various nodes representing data types. */ |
| |
| extern tree make_signed_type PARAMS ((int)); |
| extern tree make_unsigned_type PARAMS ((int)); |
| extern void initialize_sizetypes PARAMS ((void)); |
| extern void set_sizetype PARAMS ((tree)); |
| extern void fixup_unsigned_type PARAMS ((tree)); |
| extern tree build_pointer_type PARAMS ((tree)); |
| extern tree build_reference_type PARAMS ((tree)); |
| extern tree build_type_no_quals PARAMS ((tree)); |
| extern tree build_index_type PARAMS ((tree)); |
| extern tree build_index_2_type PARAMS ((tree, tree)); |
| extern tree build_array_type PARAMS ((tree, tree)); |
| extern tree build_function_type PARAMS ((tree, tree)); |
| extern tree build_function_type_list PARAMS ((tree, ...)); |
| extern tree build_method_type PARAMS ((tree, tree)); |
| extern tree build_offset_type PARAMS ((tree, tree)); |
| extern tree build_complex_type PARAMS ((tree)); |
| extern tree array_type_nelts PARAMS ((tree)); |
| |
| extern tree value_member PARAMS ((tree, tree)); |
| extern tree purpose_member PARAMS ((tree, tree)); |
| extern tree binfo_member PARAMS ((tree, tree)); |
| extern unsigned int attribute_hash_list PARAMS ((tree)); |
| extern int attribute_list_equal PARAMS ((tree, tree)); |
| extern int attribute_list_contained PARAMS ((tree, tree)); |
| extern int tree_int_cst_equal PARAMS ((tree, tree)); |
| extern int tree_int_cst_lt PARAMS ((tree, tree)); |
| extern int tree_int_cst_compare PARAMS ((tree, tree)); |
| extern int host_integerp PARAMS ((tree, int)); |
| extern HOST_WIDE_INT tree_low_cst PARAMS ((tree, int)); |
| extern int tree_int_cst_msb PARAMS ((tree)); |
| extern int tree_int_cst_sgn PARAMS ((tree)); |
| extern int tree_expr_nonnegative_p PARAMS ((tree)); |
| extern int rtl_expr_nonnegative_p PARAMS ((rtx)); |
| extern int index_type_equal PARAMS ((tree, tree)); |
| extern tree get_inner_array_type PARAMS ((tree)); |
| |
| /* From expmed.c. Since rtl.h is included after tree.h, we can't |
| put the prototype here. Rtl.h does declare the prototype if |
| tree.h had been included. */ |
| |
| extern tree make_tree PARAMS ((tree, rtx)); |
| |
| /* Return a type like TTYPE except that its TYPE_ATTRIBUTES |
| is ATTRIBUTE. |
| |
| Such modified types already made are recorded so that duplicates |
| are not made. */ |
| |
| extern tree build_type_attribute_variant PARAMS ((tree, tree)); |
| extern tree build_decl_attribute_variant PARAMS ((tree, tree)); |
| |
| /* Structure describing an attribute and a function to handle it. */ |
| struct attribute_spec |
| { |
| /* The name of the attribute (without any leading or trailing __), |
| or NULL to mark the end of a table of attributes. */ |
| const char *const name; |
| /* The minimum length of the list of arguments of the attribute. */ |
| const int min_length; |
| /* The maximum length of the list of arguments of the attribute |
| (-1 for no maximum). */ |
| const int max_length; |
| /* Whether this attribute requires a DECL. If it does, it will be passed |
| from types of DECLs, function return types and array element types to |
| the DECLs, function types and array types respectively; but when |
| applied to a type in any other circumstances, it will be ignored with |
| a warning. (If greater control is desired for a given attribute, |
| this should be false, and the flags argument to the handler may be |
| used to gain greater control in that case.) */ |
| const bool decl_required; |
| /* Whether this attribute requires a type. If it does, it will be passed |
| from a DECL to the type of that DECL. */ |
| const bool type_required; |
| /* Whether this attribute requires a function (or method) type. If it does, |
| it will be passed from a function pointer type to the target type, |
| and from a function return type (which is not itself a function |
| pointer type) to the function type. */ |
| const bool function_type_required; |
| /* Function to handle this attribute. NODE points to the node to which |
| the attribute is to be applied. If a DECL, it should be modified in |
| place; if a TYPE, a copy should be created. NAME is the name of the |
| attribute (possibly with leading or trailing __). ARGS is the TREE_LIST |
| of the arguments (which may be NULL). FLAGS gives further information |
| about the context of the attribute. Afterwards, the attributes will |
| be added to the DECL_ATTRIBUTES or TYPE_ATTRIBUTES, as appropriate, |
| unless *NO_ADD_ATTRS is set to true (which should be done on error, |
| as well as in any other cases when the attributes should not be added |
| to the DECL or TYPE). Depending on FLAGS, any attributes to be |
| applied to another type or DECL later may be returned; |
| otherwise the return value should be NULL_TREE. This pointer may be |
| NULL if no special handling is required beyond the checks implied |
| by the rest of this structure. */ |
| tree (*const handler) PARAMS ((tree *node, tree name, tree args, |
| int flags, bool *no_add_attrs)); |
| }; |
| |
| /* Flags that may be passed in the third argument of decl_attributes, and |
| to handler functions for attributes. */ |
| enum attribute_flags |
| { |
| /* The type passed in is the type of a DECL, and any attributes that |
| should be passed in again to be applied to the DECL rather than the |
| type should be returned. */ |
| ATTR_FLAG_DECL_NEXT = 1, |
| /* The type passed in is a function return type, and any attributes that |
| should be passed in again to be applied to the function type rather |
| than the return type should be returned. */ |
| ATTR_FLAG_FUNCTION_NEXT = 2, |
| /* The type passed in is an array element type, and any attributes that |
| should be passed in again to be applied to the array type rather |
| than the element type should be returned. */ |
| ATTR_FLAG_ARRAY_NEXT = 4, |
| /* The type passed in is a structure, union or enumeration type being |
| created, and should be modified in place. */ |
| ATTR_FLAG_TYPE_IN_PLACE = 8, |
| /* The attributes are being applied by default to a library function whose |
| name indicates known behavior, and should be silently ignored if they |
| are not in fact compatible with the function type. */ |
| ATTR_FLAG_BUILT_IN = 16 |
| }; |
| |
| /* Default versions of target-overridable functions. */ |
| |
| extern tree merge_decl_attributes PARAMS ((tree, tree)); |
| extern tree merge_type_attributes PARAMS ((tree, tree)); |
| struct cpp_reader; |
| extern void default_register_cpp_builtins PARAMS ((struct cpp_reader *)); |
| |
| /* Split a list of declspecs and attributes into two. */ |
| |
| extern void split_specs_attrs PARAMS ((tree, tree *, tree *)); |
| |
| /* Strip attributes from a list of combined specs and attrs. */ |
| |
| extern tree strip_attrs PARAMS ((tree)); |
| |
| /* Return 1 if an attribute and its arguments are valid for a decl or type. */ |
| |
| extern int valid_machine_attribute PARAMS ((tree, tree, tree, tree)); |
| |
| /* Given a tree node and a string, return nonzero if the tree node is |
| a valid attribute name for the string. */ |
| |
| extern int is_attribute_p PARAMS ((const char *, tree)); |
| |
| /* Given an attribute name and a list of attributes, return the list element |
| of the attribute or NULL_TREE if not found. */ |
| |
| extern tree lookup_attribute PARAMS ((const char *, tree)); |
| |
| /* Given two attributes lists, return a list of their union. */ |
| |
| extern tree merge_attributes PARAMS ((tree, tree)); |
| |
| #ifdef TARGET_DLLIMPORT_DECL_ATTRIBUTES |
| /* Given two Windows decl attributes lists, possibly including |
| dllimport, return a list of their union . */ |
| extern tree merge_dllimport_decl_attributes PARAMS ((tree, tree)); |
| #endif |
| |
| /* Return a version of the TYPE, qualified as indicated by the |
| TYPE_QUALS, if one exists. If no qualified version exists yet, |
| return NULL_TREE. */ |
| |
| extern tree get_qualified_type PARAMS ((tree, int)); |
| |
| /* Like get_qualified_type, but creates the type if it does not |
| exist. This function never returns NULL_TREE. */ |
| |
| extern tree build_qualified_type PARAMS ((tree, int)); |
| |
| /* Like build_qualified_type, but only deals with the `const' and |
| `volatile' qualifiers. This interface is retained for backwards |
| compatiblity with the various front-ends; new code should use |
| build_qualified_type instead. */ |
| |
| #define build_type_variant(TYPE, CONST_P, VOLATILE_P) \ |
| build_qualified_type ((TYPE), \ |
| ((CONST_P) ? TYPE_QUAL_CONST : 0) \ |
| | ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0)) |
| |
| /* Make a copy of a type node. */ |
| |
| extern tree build_type_copy PARAMS ((tree)); |
| |
| /* Given a ..._TYPE node, calculate the TYPE_SIZE, TYPE_SIZE_UNIT, |
| TYPE_ALIGN and TYPE_MODE fields. If called more than once on one |
| node, does nothing except for the first time. */ |
| |
| extern void layout_type PARAMS ((tree)); |
| |
| /* These functions allow a front-end to perform a manual layout of a |
| RECORD_TYPE. (For instance, if the placement of subsequent fields |
| depends on the placement of fields so far.) Begin by calling |
| start_record_layout. Then, call place_field for each of the |
| fields. Then, call finish_record_layout. See layout_type for the |
| default way in which these functions are used. */ |
| |
| typedef struct record_layout_info_s |
| { |
| /* The RECORD_TYPE that we are laying out. */ |
| tree t; |
| /* The offset into the record so far, in bytes, not including bits in |
| BITPOS. */ |
| tree offset; |
| /* The last known alignment of SIZE. */ |
| unsigned int offset_align; |
| /* The bit position within the last OFFSET_ALIGN bits, in bits. */ |
| tree bitpos; |
| /* The alignment of the record so far, in bits. */ |
| unsigned int record_align; |
| /* The alignment of the record so far, not including padding, in bits. */ |
| unsigned int unpacked_align; |
| /* The alignment of the record so far, allowing for the record to be |
| padded only at the end, in bits. */ |
| unsigned int unpadded_align; |
| /* The previous field layed out. */ |
| tree prev_field; |
| /* The static variables (i.e., class variables, as opposed to |
| instance variables) encountered in T. */ |
| tree pending_statics; |
| /* Bits remaining in the current alignment group */ |
| int remaining_in_alignment; |
| int packed_maybe_necessary; |
| } *record_layout_info; |
| |
| extern void set_lang_adjust_rli PARAMS ((void (*) PARAMS |
| ((record_layout_info)))); |
| extern record_layout_info start_record_layout PARAMS ((tree)); |
| extern tree bit_from_pos PARAMS ((tree, tree)); |
| extern tree byte_from_pos PARAMS ((tree, tree)); |
| extern void pos_from_byte PARAMS ((tree *, tree *, unsigned int, |
| tree)); |
| extern void pos_from_bit PARAMS ((tree *, tree *, unsigned int, |
| tree)); |
| extern void normalize_offset PARAMS ((tree *, tree *, |
| unsigned int)); |
| extern tree rli_size_unit_so_far PARAMS ((record_layout_info)); |
| extern tree rli_size_so_far PARAMS ((record_layout_info)); |
| extern void normalize_rli PARAMS ((record_layout_info)); |
| extern void place_field PARAMS ((record_layout_info, tree)); |
| extern void compute_record_mode PARAMS ((tree)); |
| extern void finish_record_layout PARAMS ((record_layout_info, int)); |
| |
| /* Given a hashcode and a ..._TYPE node (for which the hashcode was made), |
| return a canonicalized ..._TYPE node, so that duplicates are not made. |
| How the hash code is computed is up to the caller, as long as any two |
| callers that could hash identical-looking type nodes agree. */ |
| |
| extern tree type_hash_canon PARAMS ((unsigned int, tree)); |
| |
| /* Given a VAR_DECL, PARM_DECL, RESULT_DECL or FIELD_DECL node, |
| calculates the DECL_SIZE, DECL_SIZE_UNIT, DECL_ALIGN and DECL_MODE |
| fields. Call this only once for any given decl node. |
| |
| Second argument is the boundary that this field can be assumed to |
| be starting at (in bits). Zero means it can be assumed aligned |
| on any boundary that may be needed. */ |
| |
| extern void layout_decl PARAMS ((tree, unsigned)); |
| |
| /* Return the mode for data of a given size SIZE and mode class CLASS. |
| If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE. |
| The value is BLKmode if no other mode is found. This is like |
| mode_for_size, but is passed a tree. */ |
| |
| extern enum machine_mode mode_for_size_tree PARAMS ((tree, enum mode_class, |
| int)); |
| |
| /* Return an expr equal to X but certainly not valid as an lvalue. */ |
| |
| extern tree non_lvalue PARAMS ((tree)); |
| extern tree pedantic_non_lvalue PARAMS ((tree)); |
| |
| extern tree convert PARAMS ((tree, tree)); |
| extern unsigned int expr_align PARAMS ((tree)); |
| extern tree size_in_bytes PARAMS ((tree)); |
| extern HOST_WIDE_INT int_size_in_bytes PARAMS ((tree)); |
| extern tree bit_position PARAMS ((tree)); |
| extern HOST_WIDE_INT int_bit_position PARAMS ((tree)); |
| extern tree byte_position PARAMS ((tree)); |
| extern HOST_WIDE_INT int_byte_position PARAMS ((tree)); |
| |
| /* Define data structures, macros, and functions for handling sizes |
| and the various types used to represent sizes. */ |
| |
| enum size_type_kind |
| { |
| SIZETYPE, /* Normal representation of sizes in bytes. */ |
| SSIZETYPE, /* Signed representation of sizes in bytes. */ |
| USIZETYPE, /* Unsigned representation of sizes in bytes. */ |
| BITSIZETYPE, /* Normal representation of sizes in bits. */ |
| SBITSIZETYPE, /* Signed representation of sizes in bits. */ |
| UBITSIZETYPE, /* Unsifgned representation of sizes in bits. */ |
| TYPE_KIND_LAST}; |
| |
| extern GTY(()) tree sizetype_tab[(int) TYPE_KIND_LAST]; |
| |
| #define sizetype sizetype_tab[(int) SIZETYPE] |
| #define bitsizetype sizetype_tab[(int) BITSIZETYPE] |
| #define ssizetype sizetype_tab[(int) SSIZETYPE] |
| #define usizetype sizetype_tab[(int) USIZETYPE] |
| #define sbitsizetype sizetype_tab[(int) SBITSIZETYPE] |
| #define ubitsizetype sizetype_tab[(int) UBITSIZETYPE] |
| |
| extern tree size_binop PARAMS ((enum tree_code, tree, tree)); |
| extern tree size_diffop PARAMS ((tree, tree)); |
| extern tree size_int_wide PARAMS ((HOST_WIDE_INT, |
| enum size_type_kind)); |
| extern tree size_int_type_wide PARAMS ((HOST_WIDE_INT, tree)); |
| |
| #define size_int_type(L, T) size_int_type_wide ((HOST_WIDE_INT) (L), T) |
| #define size_int(L) size_int_wide ((HOST_WIDE_INT) (L), SIZETYPE) |
| #define ssize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SSIZETYPE) |
| #define bitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), BITSIZETYPE) |
| #define sbitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SBITSIZETYPE) |
| |
| extern tree round_up PARAMS ((tree, int)); |
| extern tree round_down PARAMS ((tree, int)); |
| extern tree get_pending_sizes PARAMS ((void)); |
| extern int is_pending_size PARAMS ((tree)); |
| extern void put_pending_size PARAMS ((tree)); |
| extern void put_pending_sizes PARAMS ((tree)); |
| |
| /* Type for sizes of data-type. */ |
| |
| #define BITS_PER_UNIT_LOG \ |
| ((BITS_PER_UNIT > 1) + (BITS_PER_UNIT > 2) + (BITS_PER_UNIT > 4) \ |
| + (BITS_PER_UNIT > 8) + (BITS_PER_UNIT > 16) + (BITS_PER_UNIT > 32) \ |
| + (BITS_PER_UNIT > 64) + (BITS_PER_UNIT > 128) + (BITS_PER_UNIT > 256)) |
| |
| /* If nonzero, an upper limit on alignment of structure fields, in bits. */ |
| extern unsigned int maximum_field_alignment; |
| |
| /* If nonzero, the alignment of a bitstring or (power-)set value, in bits. */ |
| extern unsigned int set_alignment; |
| |
| /* Concatenate two lists (chains of TREE_LIST nodes) X and Y |
| by making the last node in X point to Y. |
| Returns X, except if X is 0 returns Y. */ |
| |
| extern tree chainon PARAMS ((tree, tree)); |
| |
| /* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN. */ |
| |
| extern tree tree_cons PARAMS ((tree, tree, tree)); |
| |
| /* Return the last tree node in a chain. */ |
| |
| extern tree tree_last PARAMS ((tree)); |
| |
| /* Reverse the order of elements in a chain, and return the new head. */ |
| |
| extern tree nreverse PARAMS ((tree)); |
| |
| /* Returns the length of a chain of nodes |
| (number of chain pointers to follow before reaching a null pointer). */ |
| |
| extern int list_length PARAMS ((tree)); |
| |
| /* Returns the number of FIELD_DECLs in a type. */ |
| |
| extern int fields_length PARAMS ((tree)); |
| |
| /* Given an initializer INIT, return TRUE if INIT is zero or some |
| aggregate of zeros. Otherwise return FALSE. */ |
| |
| extern bool initializer_zerop PARAMS ((tree)); |
| |
| /* integer_zerop (tree x) is nonzero if X is an integer constant of value 0 */ |
| |
| extern int integer_zerop PARAMS ((tree)); |
| |
| /* integer_onep (tree x) is nonzero if X is an integer constant of value 1 */ |
| |
| extern int integer_onep PARAMS ((tree)); |
| |
| /* integer_all_onesp (tree x) is nonzero if X is an integer constant |
| all of whose significant bits are 1. */ |
| |
| extern int integer_all_onesp PARAMS ((tree)); |
| |
| /* integer_pow2p (tree x) is nonzero is X is an integer constant with |
| exactly one bit 1. */ |
| |
| extern int integer_pow2p PARAMS ((tree)); |
| |
| /* integer_nonzerop (tree x) is nonzero if X is an integer constant |
| with a nonzero value. */ |
| |
| extern int integer_nonzerop PARAMS ((tree)); |
| |
| /* staticp (tree x) is nonzero if X is a reference to data allocated |
| at a fixed address in memory. */ |
| |
| extern int staticp PARAMS ((tree)); |
| |
| /* Gets an error if argument X is not an lvalue. |
| Also returns 1 if X is an lvalue, 0 if not. */ |
| |
| extern int lvalue_or_else PARAMS ((tree, const char *)); |
| |
| /* save_expr (EXP) returns an expression equivalent to EXP |
| but it can be used multiple times within context CTX |
| and only evaluate EXP once. */ |
| |
| extern tree save_expr PARAMS ((tree)); |
| |
| /* Returns the index of the first non-tree operand for CODE, or the number |
| of operands if all are trees. */ |
| |
| extern int first_rtl_op PARAMS ((enum tree_code)); |
| |
| /* Return which tree structure is used by T. */ |
| |
| enum tree_node_structure_enum tree_node_structure PARAMS ((tree)); |
| |
| /* unsave_expr (EXP) returns an expression equivalent to EXP but it |
| can be used multiple times and will evaluate EXP in its entirety |
| each time. */ |
| |
| extern tree unsave_expr PARAMS ((tree)); |
| |
| /* Reset EXP in place so that it can be expaned again. Does not |
| recurse into subtrees. */ |
| |
| extern void unsave_expr_1 PARAMS ((tree)); |
| |
| /* Return 0 if it is safe to evaluate EXPR multiple times, |
| return 1 if it is safe if EXPR is unsaved afterward, or |
| return 2 if it is completely unsafe. */ |
| extern int unsafe_for_reeval PARAMS ((tree)); |
| |
| /* Return 1 if EXP contains a PLACEHOLDER_EXPR; i.e., if it represents a size |
| or offset that depends on a field within a record. |
| |
| Note that we only allow such expressions within simple arithmetic |
| or a COND_EXPR. */ |
| |
| extern int contains_placeholder_p PARAMS ((tree)); |
| |
| /* Return 1 if EXP contains any expressions that produce cleanups for an |
| outer scope to deal with. Used by fold. */ |
| |
| extern int has_cleanups PARAMS ((tree)); |
| |
| /* Given a tree EXP, a FIELD_DECL F, and a replacement value R, |
| return a tree with all occurrences of references to F in a |
| PLACEHOLDER_EXPR replaced by R. Note that we assume here that EXP |
| contains only arithmetic expressions. */ |
| |
| extern tree substitute_in_expr PARAMS ((tree, tree, tree)); |
| |
| /* variable_size (EXP) is like save_expr (EXP) except that it |
| is for the special case of something that is part of a |
| variable size for a data type. It makes special arrangements |
| to compute the value at the right time when the data type |
| belongs to a function parameter. */ |
| |
| extern tree variable_size PARAMS ((tree)); |
| |
| /* stabilize_reference (EXP) returns an reference equivalent to EXP |
| but it can be used multiple times |
| and only evaluate the subexpressions once. */ |
| |
| extern tree stabilize_reference PARAMS ((tree)); |
| |
| /* Subroutine of stabilize_reference; this is called for subtrees of |
| references. Any expression with side-effects must be put in a SAVE_EXPR |
| to ensure that it is only evaluated once. */ |
| |
| extern tree stabilize_reference_1 PARAMS ((tree)); |
| |
| /* Return EXP, stripped of any conversions to wider types |
| in such a way that the result of converting to type FOR_TYPE |
| is the same as if EXP were converted to FOR_TYPE. |
| If FOR_TYPE is 0, it signifies EXP's type. */ |
| |
| extern tree get_unwidened PARAMS ((tree, tree)); |
| |
| /* Return OP or a simpler expression for a narrower value |
| which can be sign-extended or zero-extended to give back OP. |
| Store in *UNSIGNEDP_PTR either 1 if the value should be zero-extended |
| or 0 if the value should be sign-extended. */ |
| |
| extern tree get_narrower PARAMS ((tree, int *)); |
| |
| /* Given an expression EXP that may be a COMPONENT_REF or an ARRAY_REF, |
| look for nested component-refs or array-refs at constant positions |
| and find the ultimate containing object, which is returned. */ |
| |
| extern tree get_inner_reference PARAMS ((tree, HOST_WIDE_INT *, |
| HOST_WIDE_INT *, tree *, |
| enum machine_mode *, int *, |
| int *)); |
| |
| /* Return 1 if T is an expression that get_inner_reference handles. */ |
| |
| extern int handled_component_p PARAMS ((tree)); |
| |
| /* Given a DECL or TYPE, return the scope in which it was declared, or |
| NUL_TREE if there is no containing scope. */ |
| |
| extern tree get_containing_scope PARAMS ((tree)); |
| |
| /* Return the FUNCTION_DECL which provides this _DECL with its context, |
| or zero if none. */ |
| extern tree decl_function_context PARAMS ((tree)); |
| |
| /* Return the RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE which provides |
| this _DECL with its context, or zero if none. */ |
| extern tree decl_type_context PARAMS ((tree)); |
| |
| /* Given the FUNCTION_DECL for the current function, |
| return zero if it is ok for this function to be inline. |
| Otherwise return a warning message with a single %s |
| for the function's name. */ |
| |
| extern const char *function_cannot_inline_p PARAMS ((tree)); |
| |
| /* Return 1 if EXPR is the real constant zero. */ |
| extern int real_zerop PARAMS ((tree)); |
| |
| /* Declare commonly used variables for tree structure. */ |
| |
| /* Points to the name of the input file from which the current input |
| being parsed originally came (before it went into cpp). */ |
| extern const char *input_filename; |
| |
| /* Current line number in input file. */ |
| extern int lineno; |
| |
| /* Nonzero means lvalues are limited to those valid in pedantic ANSI C. |
| Zero means allow extended lvalues. */ |
| |
| extern int pedantic_lvalues; |
| |
| /* Nonzero means can safely call expand_expr now; |
| otherwise layout_type puts variable sizes onto `pending_sizes' instead. */ |
| |
| extern int immediate_size_expand; |
| |
| /* Points to the FUNCTION_DECL of the function whose body we are reading. */ |
| |
| extern GTY(()) tree current_function_decl; |
| |
| /* Nonzero means a FUNC_BEGIN label was emitted. */ |
| extern GTY(()) tree current_function_func_begin_label; |
| |
| /* Nonzero means all ..._TYPE nodes should be allocated permanently. */ |
| |
| extern int all_types_permanent; |
| |
| /* Declare a predefined function. Return the declaration. This function is |
| provided by each language frontend. */ |
| extern tree builtin_function PARAMS ((const char *, tree, int, |
| enum built_in_class, |
| const char *, tree)); |
| |
| /* In tree.c */ |
| extern void clean_symbol_name PARAMS ((char *)); |
| extern tree get_file_function_name_long PARAMS ((const char *)); |
| extern tree get_set_constructor_bits PARAMS ((tree, char *, int)); |
| extern tree get_set_constructor_bytes PARAMS ((tree, |
| unsigned char *, int)); |
| extern tree get_callee_fndecl PARAMS ((tree)); |
| extern void set_decl_assembler_name PARAMS ((tree)); |
| extern int type_num_arguments PARAMS ((tree)); |
| extern tree lhd_unsave_expr_now PARAMS ((tree)); |
| |
| |
| /* In stmt.c */ |
| |
| extern int in_control_zone_p PARAMS ((void)); |
| extern void expand_fixups PARAMS ((rtx)); |
| extern tree expand_start_stmt_expr PARAMS ((int)); |
| extern tree expand_end_stmt_expr PARAMS ((tree)); |
| extern void expand_expr_stmt PARAMS ((tree)); |
| extern void expand_expr_stmt_value PARAMS ((tree, int, int)); |
| extern int warn_if_unused_value PARAMS ((tree)); |
| extern void expand_decl_init PARAMS ((tree)); |
| extern void clear_last_expr PARAMS ((void)); |
| extern void expand_label PARAMS ((tree)); |
| extern void expand_goto PARAMS ((tree)); |
| extern void expand_asm PARAMS ((tree, int)); |
| extern void expand_start_cond PARAMS ((tree, int)); |
| extern void expand_end_cond PARAMS ((void)); |
| extern void expand_start_else PARAMS ((void)); |
| extern void expand_start_elseif PARAMS ((tree)); |
| extern struct nesting *expand_start_loop PARAMS ((int)); |
| extern struct nesting *expand_start_loop_continue_elsewhere PARAMS ((int)); |
| extern struct nesting *expand_start_null_loop PARAMS ((void)); |
| extern void expand_loop_continue_here PARAMS ((void)); |
| extern void expand_end_loop PARAMS ((void)); |
| extern void expand_end_null_loop PARAMS ((void)); |
| extern int expand_continue_loop PARAMS ((struct nesting *)); |
| extern int expand_exit_loop PARAMS ((struct nesting *)); |
| extern int expand_exit_loop_if_false PARAMS ((struct nesting *, |
| tree)); |
| extern int expand_exit_loop_top_cond PARAMS ((struct nesting *, |
| tree)); |
| extern int expand_exit_something PARAMS ((void)); |
| |
| extern void expand_return PARAMS ((tree)); |
| extern int optimize_tail_recursion PARAMS ((tree, rtx)); |
| extern void expand_start_bindings_and_block PARAMS ((int, tree)); |
| #define expand_start_bindings(flags) \ |
| expand_start_bindings_and_block(flags, NULL_TREE) |
| extern void expand_end_bindings PARAMS ((tree, int, int)); |
| extern void warn_about_unused_variables PARAMS ((tree)); |
| extern void start_cleanup_deferral PARAMS ((void)); |
| extern void end_cleanup_deferral PARAMS ((void)); |
| extern int is_body_block PARAMS ((tree)); |
| |
| extern int conditional_context PARAMS ((void)); |
| extern struct nesting * current_nesting_level PARAMS ((void)); |
| extern tree last_cleanup_this_contour PARAMS ((void)); |
| extern void expand_start_case PARAMS ((int, tree, tree, |
| const char *)); |
| extern void expand_end_case_type PARAMS ((tree, tree)); |
| #define expand_end_case(cond) expand_end_case_type (cond, NULL) |
| extern int add_case_node PARAMS ((tree, tree, |
| tree, tree *)); |
| extern int pushcase PARAMS ((tree, |
| tree (*) (tree, tree), |
| tree, tree *)); |
| extern int pushcase_range PARAMS ((tree, tree, |
| tree (*) (tree, tree), |
| tree, tree *)); |
| extern void using_eh_for_cleanups PARAMS ((void)); |
| extern int stmt_loop_nest_empty PARAMS ((void)); |
| |
| /* In fold-const.c */ |
| |
| /* Fold constants as much as possible in an expression. |
| Returns the simplified expression. |
| Acts only on the top level of the expression; |
| if the argument itself cannot be simplified, its |
| subexpressions are not changed. */ |
| |
| extern tree fold PARAMS ((tree)); |
| |
| extern int force_fit_type PARAMS ((tree, int)); |
| extern int add_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *)); |
| extern int neg_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *)); |
| extern int mul_double PARAMS ((unsigned HOST_WIDE_INT, |
| HOST_WIDE_INT, |
| unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *)); |
| extern void lshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| HOST_WIDE_INT, unsigned int, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *, int)); |
| extern void rshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| HOST_WIDE_INT, unsigned int, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *, int)); |
| extern void lrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| HOST_WIDE_INT, unsigned int, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *)); |
| extern void rrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT, |
| HOST_WIDE_INT, unsigned int, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *)); |
| extern int operand_equal_p PARAMS ((tree, tree, int)); |
| extern tree invert_truthvalue PARAMS ((tree)); |
| |
| extern tree fold_builtin PARAMS ((tree)); |
| |
| extern tree build_range_type PARAMS ((tree, tree, tree)); |
| |
| /* In alias.c */ |
| extern void record_component_aliases PARAMS ((tree)); |
| extern HOST_WIDE_INT get_alias_set PARAMS ((tree)); |
| extern int alias_sets_conflict_p PARAMS ((HOST_WIDE_INT, |
| HOST_WIDE_INT)); |
| extern int readonly_fields_p PARAMS ((tree)); |
| extern int objects_must_conflict_p PARAMS ((tree, tree)); |
| |
| struct obstack; |
| |
| /* In tree.c */ |
| extern int really_constant_p PARAMS ((tree)); |
| extern int int_fits_type_p PARAMS ((tree, tree)); |
| extern bool variably_modified_type_p PARAMS ((tree)); |
| extern int tree_log2 PARAMS ((tree)); |
| extern int tree_floor_log2 PARAMS ((tree)); |
| extern int simple_cst_equal PARAMS ((tree, tree)); |
| extern int compare_tree_int PARAMS ((tree, |
| unsigned HOST_WIDE_INT)); |
| extern int type_list_equal PARAMS ((tree, tree)); |
| extern int chain_member PARAMS ((tree, tree)); |
| extern int chain_member_purpose PARAMS ((tree, tree)); |
| extern int chain_member_value PARAMS ((tree, tree)); |
| extern tree listify PARAMS ((tree)); |
| extern tree type_hash_lookup PARAMS ((unsigned int, tree)); |
| extern void type_hash_add PARAMS ((unsigned int, tree)); |
| extern unsigned int type_hash_list PARAMS ((tree)); |
| extern int simple_cst_list_equal PARAMS ((tree, tree)); |
| extern void dump_tree_statistics PARAMS ((void)); |
| extern void print_obstack_statistics PARAMS ((const char *, |
| struct obstack *)); |
| #ifdef BUFSIZ |
| extern void print_obstack_name PARAMS ((char *, FILE *, |
| const char *)); |
| #endif |
| extern void expand_function_end PARAMS ((const char *, int, int)); |
| extern void expand_function_start PARAMS ((tree, int)); |
| extern void expand_pending_sizes PARAMS ((tree)); |
| |
| extern int real_onep PARAMS ((tree)); |
| extern int real_twop PARAMS ((tree)); |
| extern int real_minus_onep PARAMS ((tree)); |
| extern void gcc_obstack_init PARAMS ((struct obstack *)); |
| extern void init_ttree PARAMS ((void)); |
| extern void build_common_tree_nodes PARAMS ((int)); |
| extern void build_common_tree_nodes_2 PARAMS ((int)); |
| |
| /* In function.c */ |
| extern void setjmp_protect_args PARAMS ((void)); |
| extern void setjmp_protect PARAMS ((tree)); |
| extern void expand_main_function PARAMS ((void)); |
| extern void init_dummy_function_start PARAMS ((void)); |
| extern void expand_dummy_function_end PARAMS ((void)); |
| extern void init_function_for_compilation PARAMS ((void)); |
| extern void init_function_start PARAMS ((tree, const char *, int)); |
| extern void assign_parms PARAMS ((tree)); |
| extern void put_var_into_stack PARAMS ((tree, int)); |
| extern void flush_addressof PARAMS ((tree)); |
| extern void uninitialized_vars_warning PARAMS ((tree)); |
| extern void setjmp_args_warning PARAMS ((void)); |
| extern void mark_all_temps_used PARAMS ((void)); |
| extern void init_temp_slots PARAMS ((void)); |
| extern void combine_temp_slots PARAMS ((void)); |
| extern void free_temp_slots PARAMS ((void)); |
| extern void pop_temp_slots PARAMS ((void)); |
| extern void push_temp_slots PARAMS ((void)); |
| extern void preserve_temp_slots PARAMS ((rtx)); |
| extern void preserve_rtl_expr_temps PARAMS ((tree)); |
| extern int aggregate_value_p PARAMS ((tree)); |
| extern void free_temps_for_rtl_expr PARAMS ((tree)); |
| extern void instantiate_virtual_regs PARAMS ((tree, rtx)); |
| extern void unshare_all_rtl PARAMS ((tree, rtx)); |
| extern int max_parm_reg_num PARAMS ((void)); |
| extern void push_function_context PARAMS ((void)); |
| extern void pop_function_context PARAMS ((void)); |
| extern void push_function_context_to PARAMS ((tree)); |
| extern void pop_function_context_from PARAMS ((tree)); |
| |
| /* In print-rtl.c */ |
| #ifdef BUFSIZ |
| extern void print_rtl PARAMS ((FILE *, rtx)); |
| #endif |
| |
| /* In print-tree.c */ |
| extern void debug_tree PARAMS ((tree)); |
| #ifdef BUFSIZ |
| extern void print_node PARAMS ((FILE *, const char *, tree, |
| int)); |
| extern void print_node_brief PARAMS ((FILE *, const char *, tree, |
| int)); |
| extern void indent_to PARAMS ((FILE *, int)); |
| #endif |
| |
| /* In expr.c */ |
| extern int apply_args_register_offset PARAMS ((int)); |
| extern rtx expand_builtin_return_addr |
| PARAMS ((enum built_in_function, int, rtx)); |
| extern void check_max_integer_computation_mode PARAMS ((tree)); |
| |
| /* In emit-rtl.c */ |
| extern void start_sequence_for_rtl_expr PARAMS ((tree)); |
| extern rtx emit_line_note PARAMS ((const char *, int)); |
| |
| /* In calls.c */ |
| |
| extern int setjmp_call_p PARAMS ((tree)); |
| extern bool alloca_call_p PARAMS ((tree)); |
| |
| /* In attribs.c. */ |
| |
| /* Process the attributes listed in ATTRIBUTES and install them in *NODE, |
| which is either a DECL (including a TYPE_DECL) or a TYPE. If a DECL, |
| it should be modified in place; if a TYPE, a copy should be created |
| unless ATTR_FLAG_TYPE_IN_PLACE is set in FLAGS. FLAGS gives further |
| information, in the form of a bitwise OR of flags in enum attribute_flags |
| from tree.h. Depending on these flags, some attributes may be |
| returned to be applied at a later stage (for example, to apply |
| a decl attribute to the declaration rather than to its type). */ |
| extern tree decl_attributes PARAMS ((tree *, tree, int)); |
| |
| /* In integrate.c */ |
| extern void save_for_inline PARAMS ((tree)); |
| extern void set_decl_abstract_flags PARAMS ((tree, int)); |
| extern void output_inline_function PARAMS ((tree)); |
| extern void set_decl_origin_self PARAMS ((tree)); |
| |
| /* In stor-layout.c */ |
| extern void fixup_signed_type PARAMS ((tree)); |
| extern void internal_reference_types PARAMS ((void)); |
| |
| /* varasm.c */ |
| extern void make_decl_rtl PARAMS ((tree, const char *)); |
| extern void make_decl_one_only PARAMS ((tree)); |
| extern int supports_one_only PARAMS ((void)); |
| extern void variable_section PARAMS ((tree, int)); |
| enum tls_model decl_tls_model PARAMS ((tree)); |
| enum symbol_visibility decl_visibility PARAMS ((tree)); |
| |
| /* In fold-const.c */ |
| extern int div_and_round_double PARAMS ((enum tree_code, int, |
| unsigned HOST_WIDE_INT, |
| HOST_WIDE_INT, |
| unsigned HOST_WIDE_INT, |
| HOST_WIDE_INT, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *, |
| unsigned HOST_WIDE_INT *, |
| HOST_WIDE_INT *)); |
| |
| /* In stmt.c */ |
| extern void emit_nop PARAMS ((void)); |
| extern void expand_computed_goto PARAMS ((tree)); |
| extern bool parse_output_constraint PARAMS ((const char **, |
| int, int, int, |
| bool *, bool *, bool *)); |
| extern void expand_asm_operands PARAMS ((tree, tree, tree, tree, int, |
| const char *, int)); |
| extern int any_pending_cleanups PARAMS ((int)); |
| extern void init_stmt_for_function PARAMS ((void)); |
| extern int drop_through_at_end_p PARAMS ((void)); |
| extern void expand_start_target_temps PARAMS ((void)); |
| extern void expand_end_target_temps PARAMS ((void)); |
| extern void expand_elseif PARAMS ((tree)); |
| extern void save_stack_pointer PARAMS ((void)); |
| extern void expand_decl PARAMS ((tree)); |
| extern int expand_decl_cleanup PARAMS ((tree, tree)); |
| extern int expand_decl_cleanup_eh PARAMS ((tree, tree, int)); |
| extern void expand_anon_union_decl PARAMS ((tree, tree, tree)); |
| extern void move_cleanups_up PARAMS ((void)); |
| extern void expand_start_case_dummy PARAMS ((void)); |
| extern void expand_end_case_dummy PARAMS ((void)); |
| extern tree case_index_expr_type PARAMS ((void)); |
| extern HOST_WIDE_INT all_cases_count PARAMS ((tree, int *)); |
| extern void check_for_full_enumeration_handling PARAMS ((tree)); |
| extern void declare_nonlocal_label PARAMS ((tree)); |
| extern void default_flag_random_seed PARAMS ((void)); |
| |
| /* If KIND=='I', return a suitable global initializer (constructor) name. |
| If KIND=='D', return a suitable global clean-up (destructor) name. */ |
| extern tree get_file_function_name PARAMS ((int)); |
| |
| /* Interface of the DWARF2 unwind info support. */ |
| |
| /* Generate a new label for the CFI info to refer to. */ |
| |
| extern char *dwarf2out_cfi_label PARAMS ((void)); |
| |
| /* Entry point to update the canonical frame address (CFA). */ |
| |
| extern void dwarf2out_def_cfa PARAMS ((const char *, unsigned, long)); |
| |
| /* Add the CFI for saving a register window. */ |
| |
| extern void dwarf2out_window_save PARAMS ((const char *)); |
| |
| /* Add a CFI to update the running total of the size of arguments pushed |
| onto the stack. */ |
| |
| extern void dwarf2out_args_size PARAMS ((const char *, long)); |
| |
| /* Entry point for saving a register to the stack. */ |
| |
| extern void dwarf2out_reg_save PARAMS ((const char *, unsigned, long)); |
| |
| /* Entry point for saving the return address in the stack. */ |
| |
| extern void dwarf2out_return_save PARAMS ((const char *, long)); |
| |
| /* Entry point for saving the return address in a register. */ |
| |
| extern void dwarf2out_return_reg PARAMS ((const char *, unsigned)); |
| |
| /* The type of a function that walks over tree structure. */ |
| |
| typedef tree (*walk_tree_fn) PARAMS ((tree *, int *, void *)); |
| |
| /* In tree-dump.c */ |
| |
| /* Different tree dump places. When you add new tree dump places, |
| extend the DUMP_FILES array in tree-dump.c */ |
| enum tree_dump_index |
| { |
| TDI_all, /* dump the whole translation unit */ |
| TDI_class, /* dump class hierarchy */ |
| TDI_original, /* dump each function before optimizing it */ |
| TDI_optimized, /* dump each function after optimizing it */ |
| TDI_inlined, /* dump each function after inlining |
| within it. */ |
| TDI_end |
| }; |
| |
| /* Bit masks to control tree dumping. Not all values are applicable to |
| all tree dumps. Add new ones at the end. When you define new |
| values, extend the DUMP_OPTIONS array in tree-dump.c */ |
| #define TDF_ADDRESS (1 << 0) /* dump node addresses */ |
| #define TDF_SLIM (1 << 1) /* don't go wild following links */ |
| |
| typedef struct dump_info *dump_info_p; |
| |
| extern int dump_flag PARAMS ((dump_info_p, int, tree)); |
| extern int dump_enabled_p PARAMS ((enum tree_dump_index)); |
| extern FILE *dump_begin PARAMS ((enum tree_dump_index, int *)); |
| extern void dump_end PARAMS ((enum tree_dump_index, FILE *)); |
| extern void dump_node PARAMS ((tree, int, FILE *)); |
| extern int dump_switch_p PARAMS ((const char *)); |
| extern const char *dump_flag_name PARAMS ((enum tree_dump_index)); |
| |
| |
| /* Redefine abort to report an internal error w/o coredump, and |
| reporting the location of the error in the source file. This logic |
| is duplicated in rtl.h and tree.h because every file that needs the |
| special abort includes one or both. toplev.h gets too few files, |
| system.h gets too many. */ |
| |
| extern void fancy_abort PARAMS ((const char *, int, const char *)) |
| ATTRIBUTE_NORETURN; |
| #define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__) |
| |
| #endif /* GCC_TREE_H */ |