| /* GCC core type declarations. |
| Copyright (C) 2002-2021 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 3, 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. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Provide forward declarations of core types which are referred to by |
| most of the compiler. This allows header files to use these types |
| (e.g. in function prototypes) without concern for whether the full |
| definitions are visible. Some other declarations that need to be |
| universally visible are here, too. |
| |
| In the context of tconfig.h, most of these have special definitions |
| which prevent them from being used except in further type |
| declarations. This is a kludge; the right thing is to avoid |
| including the "tm.h" header set in the context of tconfig.h, but |
| we're not there yet. */ |
| |
| #ifndef GCC_CORETYPES_H |
| #define GCC_CORETYPES_H |
| |
| #ifndef GTY |
| #define GTY(x) /* nothing - marker for gengtype */ |
| #endif |
| |
| #ifndef USED_FOR_TARGET |
| |
| typedef int64_t gcov_type; |
| typedef uint64_t gcov_type_unsigned; |
| |
| struct bitmap_obstack; |
| class bitmap_head; |
| typedef class bitmap_head *bitmap; |
| typedef const class bitmap_head *const_bitmap; |
| struct simple_bitmap_def; |
| typedef struct simple_bitmap_def *sbitmap; |
| typedef const struct simple_bitmap_def *const_sbitmap; |
| struct rtx_def; |
| typedef struct rtx_def *rtx; |
| typedef const struct rtx_def *const_rtx; |
| class scalar_mode; |
| class scalar_int_mode; |
| class scalar_float_mode; |
| class complex_mode; |
| class fixed_size_mode; |
| template<typename> class opt_mode; |
| typedef opt_mode<scalar_mode> opt_scalar_mode; |
| typedef opt_mode<scalar_int_mode> opt_scalar_int_mode; |
| typedef opt_mode<scalar_float_mode> opt_scalar_float_mode; |
| template<typename> struct pod_mode; |
| typedef pod_mode<scalar_mode> scalar_mode_pod; |
| typedef pod_mode<scalar_int_mode> scalar_int_mode_pod; |
| typedef pod_mode<fixed_size_mode> fixed_size_mode_pod; |
| |
| /* Subclasses of rtx_def, using indentation to show the class |
| hierarchy, along with the relevant invariant. |
| Where possible, keep this list in the same order as in rtl.def. */ |
| struct rtx_def; |
| struct rtx_expr_list; /* GET_CODE (X) == EXPR_LIST */ |
| struct rtx_insn_list; /* GET_CODE (X) == INSN_LIST */ |
| struct rtx_sequence; /* GET_CODE (X) == SEQUENCE */ |
| struct rtx_insn; |
| struct rtx_debug_insn; /* DEBUG_INSN_P (X) */ |
| struct rtx_nonjump_insn; /* NONJUMP_INSN_P (X) */ |
| struct rtx_jump_insn; /* JUMP_P (X) */ |
| struct rtx_call_insn; /* CALL_P (X) */ |
| struct rtx_jump_table_data; /* JUMP_TABLE_DATA_P (X) */ |
| struct rtx_barrier; /* BARRIER_P (X) */ |
| struct rtx_code_label; /* LABEL_P (X) */ |
| struct rtx_note; /* NOTE_P (X) */ |
| |
| struct rtvec_def; |
| typedef struct rtvec_def *rtvec; |
| typedef const struct rtvec_def *const_rtvec; |
| struct hwivec_def; |
| typedef struct hwivec_def *hwivec; |
| typedef const struct hwivec_def *const_hwivec; |
| union tree_node; |
| typedef union tree_node *tree; |
| typedef const union tree_node *const_tree; |
| struct gimple; |
| typedef gimple *gimple_seq; |
| struct gimple_stmt_iterator; |
| |
| /* Forward decls for leaf gimple subclasses (for individual gimple codes). |
| Keep this in the same order as the corresponding codes in gimple.def. */ |
| |
| struct gcond; |
| struct gdebug; |
| struct ggoto; |
| struct glabel; |
| struct gswitch; |
| struct gassign; |
| struct gasm; |
| struct gcall; |
| struct gtransaction; |
| struct greturn; |
| struct gbind; |
| struct gcatch; |
| struct geh_filter; |
| struct geh_mnt; |
| struct geh_else; |
| struct gresx; |
| struct geh_dispatch; |
| struct gphi; |
| struct gtry; |
| struct gomp_atomic_load; |
| struct gomp_atomic_store; |
| struct gomp_continue; |
| struct gomp_critical; |
| struct gomp_ordered; |
| struct gomp_for; |
| struct gomp_parallel; |
| struct gomp_task; |
| struct gomp_sections; |
| struct gomp_single; |
| struct gomp_target; |
| struct gomp_teams; |
| |
| /* Subclasses of symtab_node, using indentation to show the class |
| hierarchy. */ |
| |
| struct symtab_node; |
| struct cgraph_node; |
| struct varpool_node; |
| struct cgraph_edge; |
| |
| union section; |
| typedef union section section; |
| struct gcc_options; |
| struct cl_target_option; |
| struct cl_optimization; |
| struct cl_option; |
| struct cl_decoded_option; |
| struct cl_option_handlers; |
| struct diagnostic_context; |
| class pretty_printer; |
| class diagnostic_event_id_t; |
| |
| template<typename T> struct array_traits; |
| |
| /* Provides a read-only bitmap view of a single integer bitmask or an |
| array of integer bitmasks, or of a wrapper around such bitmasks. */ |
| template<typename T, typename Traits = array_traits<T>, |
| bool has_constant_size = Traits::has_constant_size> |
| class bitmap_view; |
| |
| /* Address space number for named address space support. */ |
| typedef unsigned char addr_space_t; |
| |
| /* The value of addr_space_t that represents the generic address space. */ |
| #define ADDR_SPACE_GENERIC 0 |
| #define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC) |
| |
| /* The major intermediate representations of GCC. */ |
| enum ir_type { |
| IR_GIMPLE, |
| IR_RTL_CFGRTL, |
| IR_RTL_CFGLAYOUT |
| }; |
| |
| /* Provide forward struct declaration so that we don't have to include |
| all of cpplib.h whenever a random prototype includes a pointer. |
| Note that the cpp_reader and cpp_token typedefs remain part of |
| cpplib.h. */ |
| |
| struct cpp_reader; |
| struct cpp_token; |
| |
| /* The thread-local storage model associated with a given VAR_DECL |
| or SYMBOL_REF. This isn't used much, but both trees and RTL refer |
| to it, so it's here. */ |
| enum tls_model { |
| TLS_MODEL_NONE, |
| TLS_MODEL_EMULATED, |
| TLS_MODEL_REAL, |
| TLS_MODEL_GLOBAL_DYNAMIC = TLS_MODEL_REAL, |
| TLS_MODEL_LOCAL_DYNAMIC, |
| TLS_MODEL_INITIAL_EXEC, |
| TLS_MODEL_LOCAL_EXEC |
| }; |
| |
| /* Types of ABI for an offload compiler. */ |
| enum offload_abi { |
| OFFLOAD_ABI_UNSET, |
| OFFLOAD_ABI_LP64, |
| OFFLOAD_ABI_ILP32 |
| }; |
| |
| /* Types of profile update methods. */ |
| enum profile_update { |
| PROFILE_UPDATE_SINGLE, |
| PROFILE_UPDATE_ATOMIC, |
| PROFILE_UPDATE_PREFER_ATOMIC |
| }; |
| |
| /* Type of profile reproducibility methods. */ |
| enum profile_reproducibility { |
| PROFILE_REPRODUCIBILITY_SERIAL, |
| PROFILE_REPRODUCIBILITY_PARALLEL_RUNS, |
| PROFILE_REPRODUCIBILITY_MULTITHREADED |
| }; |
| |
| /* Type of -fstack-protector-*. */ |
| enum stack_protector { |
| SPCT_FLAG_DEFAULT = 1, |
| SPCT_FLAG_ALL = 2, |
| SPCT_FLAG_STRONG = 3, |
| SPCT_FLAG_EXPLICIT = 4 |
| }; |
| |
| /* Types of unwind/exception handling info that can be generated. */ |
| |
| enum unwind_info_type |
| { |
| UI_NONE, |
| UI_SJLJ, |
| UI_DWARF2, |
| UI_TARGET, |
| UI_SEH |
| }; |
| |
| /* Callgraph node profile representation. */ |
| enum node_frequency { |
| /* This function most likely won't be executed at all. |
| (set only when profile feedback is available or via function attribute). */ |
| NODE_FREQUENCY_UNLIKELY_EXECUTED, |
| /* For functions that are known to be executed once (i.e. constructors, destructors |
| and main function. */ |
| NODE_FREQUENCY_EXECUTED_ONCE, |
| /* The default value. */ |
| NODE_FREQUENCY_NORMAL, |
| /* Optimize this function hard |
| (set only when profile feedback is available or via function attribute). */ |
| NODE_FREQUENCY_HOT |
| }; |
| |
| /* Ways of optimizing code. */ |
| enum optimization_type { |
| /* Prioritize speed over size. */ |
| OPTIMIZE_FOR_SPEED, |
| |
| /* Only do things that are good for both size and speed. */ |
| OPTIMIZE_FOR_BOTH, |
| |
| /* Prioritize size over speed. */ |
| OPTIMIZE_FOR_SIZE |
| }; |
| |
| /* Enumerates a padding direction. */ |
| enum pad_direction { |
| /* No padding is required. */ |
| PAD_NONE, |
| |
| /* Insert padding above the data, i.e. at higher memeory addresses |
| when dealing with memory, and at the most significant end when |
| dealing with registers. */ |
| PAD_UPWARD, |
| |
| /* Insert padding below the data, i.e. at lower memeory addresses |
| when dealing with memory, and at the least significant end when |
| dealing with registers. */ |
| PAD_DOWNWARD |
| }; |
| |
| /* Possible initialization status of a variable. When requested |
| by the user, this information is tracked and recorded in the DWARF |
| debug information, along with the variable's location. */ |
| enum var_init_status |
| { |
| VAR_INIT_STATUS_UNKNOWN, |
| VAR_INIT_STATUS_UNINITIALIZED, |
| VAR_INIT_STATUS_INITIALIZED |
| }; |
| |
| /* Names for the different levels of -Wstrict-overflow=N. The numeric |
| values here correspond to N. */ |
| enum warn_strict_overflow_code |
| { |
| /* Overflow warning that should be issued with -Wall: a questionable |
| construct that is easy to avoid even when using macros. Example: |
| folding (x + CONSTANT > x) to 1. */ |
| WARN_STRICT_OVERFLOW_ALL = 1, |
| /* Overflow warning about folding a comparison to a constant because |
| of undefined signed overflow, other than cases covered by |
| WARN_STRICT_OVERFLOW_ALL. Example: folding (abs (x) >= 0) to 1 |
| (this is false when x == INT_MIN). */ |
| WARN_STRICT_OVERFLOW_CONDITIONAL = 2, |
| /* Overflow warning about changes to comparisons other than folding |
| them to a constant. Example: folding (x + 1 > 1) to (x > 0). */ |
| WARN_STRICT_OVERFLOW_COMPARISON = 3, |
| /* Overflow warnings not covered by the above cases. Example: |
| folding ((x * 10) / 5) to (x * 2). */ |
| WARN_STRICT_OVERFLOW_MISC = 4, |
| /* Overflow warnings about reducing magnitude of constants in |
| comparison. Example: folding (x + 2 > y) to (x + 1 >= y). */ |
| WARN_STRICT_OVERFLOW_MAGNITUDE = 5 |
| }; |
| |
| /* The type of an alias set. Code currently assumes that variables of |
| this type can take the values 0 (the alias set which aliases |
| everything) and -1 (sometimes indicating that the alias set is |
| unknown, sometimes indicating a memory barrier) and -2 (indicating |
| that the alias set should be set to a unique value but has not been |
| set yet). */ |
| typedef int alias_set_type; |
| |
| class edge_def; |
| typedef class edge_def *edge; |
| typedef const class edge_def *const_edge; |
| struct basic_block_def; |
| typedef struct basic_block_def *basic_block; |
| typedef const struct basic_block_def *const_basic_block; |
| |
| #if !defined (GENERATOR_FILE) |
| # define OBSTACK_CHUNK_SIZE memory_block_pool::block_size |
| # define obstack_chunk_alloc mempool_obstack_chunk_alloc |
| # define obstack_chunk_free mempool_obstack_chunk_free |
| #else |
| # define OBSTACK_CHUNK_SIZE 0 |
| # define obstack_chunk_alloc xmalloc |
| # define obstack_chunk_free free |
| #endif |
| |
| #define gcc_obstack_init(OBSTACK) \ |
| obstack_specify_allocation ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \ |
| obstack_chunk_alloc, \ |
| obstack_chunk_free) |
| |
| /* enum reg_class is target specific, so it should not appear in |
| target-independent code or interfaces, like the target hook declarations |
| in target.h. */ |
| typedef int reg_class_t; |
| |
| class rtl_opt_pass; |
| |
| namespace gcc { |
| class context; |
| } |
| |
| typedef std::pair <tree, tree> tree_pair; |
| typedef std::pair <const char *, int> string_int_pair; |
| |
| /* Define a name->value mapping. */ |
| template <typename ValueType> |
| struct kv_pair |
| { |
| const char *const name; /* the name of the value */ |
| const ValueType value; /* the value of the name */ |
| }; |
| |
| #else |
| |
| struct _dont_use_rtx_here_; |
| struct _dont_use_rtvec_here_; |
| struct _dont_use_rtx_insn_here_; |
| union _dont_use_tree_here_; |
| #define rtx struct _dont_use_rtx_here_ * |
| #define const_rtx struct _dont_use_rtx_here_ * |
| #define rtvec struct _dont_use_rtvec_here * |
| #define const_rtvec struct _dont_use_rtvec_here * |
| #define rtx_insn struct _dont_use_rtx_insn_here_ |
| #define tree union _dont_use_tree_here_ * |
| #define const_tree union _dont_use_tree_here_ * |
| |
| typedef struct scalar_mode scalar_mode; |
| typedef struct scalar_int_mode scalar_int_mode; |
| typedef struct scalar_float_mode scalar_float_mode; |
| typedef struct complex_mode complex_mode; |
| |
| #endif |
| |
| /* Classes of functions that compiler needs to check |
| whether they are present at the runtime or not. */ |
| enum function_class { |
| function_c94, |
| function_c99_misc, |
| function_c99_math_complex, |
| function_sincos, |
| function_c11_misc, |
| function_c2x_misc |
| }; |
| |
| /* Enumerate visibility settings. This is deliberately ordered from most |
| to least visibility. */ |
| enum symbol_visibility |
| { |
| VISIBILITY_DEFAULT, |
| VISIBILITY_PROTECTED, |
| VISIBILITY_HIDDEN, |
| VISIBILITY_INTERNAL |
| }; |
| |
| /* enums used by the targetm.excess_precision hook. */ |
| |
| enum flt_eval_method |
| { |
| FLT_EVAL_METHOD_UNPREDICTABLE = -1, |
| FLT_EVAL_METHOD_PROMOTE_TO_FLOAT = 0, |
| FLT_EVAL_METHOD_PROMOTE_TO_DOUBLE = 1, |
| FLT_EVAL_METHOD_PROMOTE_TO_LONG_DOUBLE = 2, |
| FLT_EVAL_METHOD_PROMOTE_TO_FLOAT16 = 16 |
| }; |
| |
| enum excess_precision_type |
| { |
| EXCESS_PRECISION_TYPE_IMPLICIT, |
| EXCESS_PRECISION_TYPE_STANDARD, |
| EXCESS_PRECISION_TYPE_FAST |
| }; |
| |
| /* Level of size optimization. */ |
| |
| enum optimize_size_level |
| { |
| /* Do not optimize for size. */ |
| OPTIMIZE_SIZE_NO, |
| /* Optimize for size but not at extreme performance costs. */ |
| OPTIMIZE_SIZE_BALANCED, |
| /* Optimize for size as much as possible. */ |
| OPTIMIZE_SIZE_MAX |
| }; |
| |
| /* Support for user-provided GGC and PCH markers. The first parameter |
| is a pointer to a pointer, the second a cookie. */ |
| typedef void (*gt_pointer_operator) (void *, void *); |
| |
| #if !defined (HAVE_UCHAR) |
| typedef unsigned char uchar; |
| #endif |
| |
| /* Most source files will require the following headers. */ |
| #if !defined (USED_FOR_TARGET) |
| #include "insn-modes.h" |
| #include "signop.h" |
| #include "wide-int.h" |
| #include "wide-int-print.h" |
| |
| /* On targets that don't need polynomial offsets, target-specific code |
| should be able to treat poly_int like a normal constant, with a |
| conversion operator going from the former to the latter. We also |
| allow this for gencondmd.c for all targets, so that we can treat |
| machine_modes as enums without causing build failures. */ |
| #if (defined (IN_TARGET_CODE) \ |
| && (defined (USE_ENUM_MODES) || NUM_POLY_INT_COEFFS == 1)) |
| #define POLY_INT_CONVERSION 1 |
| #else |
| #define POLY_INT_CONVERSION 0 |
| #endif |
| |
| #include "poly-int.h" |
| #include "poly-int-types.h" |
| #include "insn-modes-inline.h" |
| #include "machmode.h" |
| #include "double-int.h" |
| #include "align.h" |
| /* Most host source files will require the following headers. */ |
| #if !defined (GENERATOR_FILE) |
| #include "iterator-utils.h" |
| #include "real.h" |
| #include "fixed-value.h" |
| #include "hash-table.h" |
| #include "hash-set.h" |
| #include "input.h" |
| #include "is-a.h" |
| #include "memory-block.h" |
| #include "dumpfile.h" |
| #endif |
| #endif /* GENERATOR_FILE && !USED_FOR_TARGET */ |
| |
| #endif /* coretypes.h */ |