209 lines
6.4 KiB
C
209 lines
6.4 KiB
C
/* GCC core type declarations.
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Copyright (C) 2002-2013 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* Provide forward declarations of core types which are referred to by
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most of the compiler. This allows header files to use these types
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(e.g. in function prototypes) without concern for whether the full
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definitions are visible. Some other declarations that need to be
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universally visible are here, too.
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In the context of tconfig.h, most of these have special definitions
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which prevent them from being used except in further type
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declarations. This is a kludge; the right thing is to avoid
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including the "tm.h" header set in the context of tconfig.h, but
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we're not there yet. */
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#ifndef GCC_CORETYPES_H
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#define GCC_CORETYPES_H
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#ifndef GTY
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#define GTY(x) /* nothing - marker for gengtype */
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#endif
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#ifndef USED_FOR_TARGET
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struct bitmap_head_def;
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typedef struct bitmap_head_def *bitmap;
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typedef const struct bitmap_head_def *const_bitmap;
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struct simple_bitmap_def;
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typedef struct simple_bitmap_def *sbitmap;
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typedef const struct simple_bitmap_def *const_sbitmap;
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struct rtx_def;
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typedef struct rtx_def *rtx;
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typedef const struct rtx_def *const_rtx;
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struct rtvec_def;
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typedef struct rtvec_def *rtvec;
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typedef const struct rtvec_def *const_rtvec;
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union tree_node;
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typedef union tree_node *tree;
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typedef const union tree_node *const_tree;
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union gimple_statement_d;
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typedef union gimple_statement_d *gimple;
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typedef const union gimple_statement_d *const_gimple;
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typedef gimple gimple_seq;
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union section;
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typedef union section section;
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struct gcc_options;
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struct cl_target_option;
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struct cl_optimization;
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struct cl_option;
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struct cl_decoded_option;
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struct cl_option_handlers;
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struct diagnostic_context;
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typedef struct diagnostic_context diagnostic_context;
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struct pretty_print_info;
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typedef struct pretty_print_info pretty_printer;
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/* Address space number for named address space support. */
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typedef unsigned char addr_space_t;
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/* The value of addr_space_t that represents the generic address space. */
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#define ADDR_SPACE_GENERIC 0
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#define ADDR_SPACE_GENERIC_P(AS) ((AS) == ADDR_SPACE_GENERIC)
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/* The major intermediate representations of GCC. */
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enum ir_type {
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IR_GIMPLE,
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IR_RTL_CFGRTL,
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IR_RTL_CFGLAYOUT
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};
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/* Provide forward struct declaration so that we don't have to include
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all of cpplib.h whenever a random prototype includes a pointer.
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Note that the cpp_reader and cpp_token typedefs remain part of
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cpplib.h. */
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struct cpp_reader;
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struct cpp_token;
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/* The thread-local storage model associated with a given VAR_DECL
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or SYMBOL_REF. This isn't used much, but both trees and RTL refer
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to it, so it's here. */
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enum tls_model {
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TLS_MODEL_NONE,
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TLS_MODEL_EMULATED,
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TLS_MODEL_REAL,
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TLS_MODEL_GLOBAL_DYNAMIC = TLS_MODEL_REAL,
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TLS_MODEL_LOCAL_DYNAMIC,
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TLS_MODEL_INITIAL_EXEC,
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TLS_MODEL_LOCAL_EXEC
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};
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/* Types of unwind/exception handling info that can be generated. */
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enum unwind_info_type
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{
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UI_NONE,
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UI_SJLJ,
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UI_DWARF2,
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UI_TARGET,
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UI_SEH
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};
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/* Callgraph node profile representation. */
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enum node_frequency {
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/* This function most likely won't be executed at all.
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(set only when profile feedback is available or via function attribute). */
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NODE_FREQUENCY_UNLIKELY_EXECUTED,
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/* For functions that are known to be executed once (i.e. constructors, destructors
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and main function. */
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NODE_FREQUENCY_EXECUTED_ONCE,
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/* The default value. */
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NODE_FREQUENCY_NORMAL,
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/* Optimize this function hard
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(set only when profile feedback is available or via function attribute). */
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NODE_FREQUENCY_HOT
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};
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/* Possible initialization status of a variable. When requested
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by the user, this information is tracked and recorded in the DWARF
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debug information, along with the variable's location. */
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enum var_init_status
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{
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VAR_INIT_STATUS_UNKNOWN,
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VAR_INIT_STATUS_UNINITIALIZED,
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VAR_INIT_STATUS_INITIALIZED
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};
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struct edge_def;
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typedef struct edge_def *edge;
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typedef const struct edge_def *const_edge;
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struct basic_block_def;
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typedef struct basic_block_def *basic_block;
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typedef const struct basic_block_def *const_basic_block;
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#define obstack_chunk_alloc ((void *(*) (long)) xmalloc)
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#define obstack_chunk_free ((void (*) (void *)) free)
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#define OBSTACK_CHUNK_SIZE 0
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#define gcc_obstack_init(OBSTACK) \
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_obstack_begin ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \
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obstack_chunk_alloc, \
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obstack_chunk_free)
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/* enum reg_class is target specific, so it should not appear in
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target-independent code or interfaces, like the target hook declarations
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in target.h. */
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typedef int reg_class_t;
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#else
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struct _dont_use_rtx_here_;
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struct _dont_use_rtvec_here_;
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union _dont_use_tree_here_;
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#define rtx struct _dont_use_rtx_here_ *
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#define const_rtx struct _dont_use_rtx_here_ *
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#define rtvec struct _dont_use_rtvec_here *
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#define const_rtvec struct _dont_use_rtvec_here *
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#define tree union _dont_use_tree_here_ *
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#define const_tree union _dont_use_tree_here_ *
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#endif
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/* Memory model types for the __atomic* builtins.
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This must match the order in libstdc++-v3/include/bits/atomic_base.h. */
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enum memmodel
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{
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MEMMODEL_RELAXED = 0,
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MEMMODEL_CONSUME = 1,
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MEMMODEL_ACQUIRE = 2,
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MEMMODEL_RELEASE = 3,
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MEMMODEL_ACQ_REL = 4,
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MEMMODEL_SEQ_CST = 5,
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MEMMODEL_LAST = 6
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};
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/* Suppose that higher bits are target dependant. */
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#define MEMMODEL_MASK ((1<<16)-1)
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/* Support for user-provided GGC and PCH markers. The first parameter
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is a pointer to a pointer, the second a cookie. */
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typedef void (*gt_pointer_operator) (void *, void *);
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#if !defined (HAVE_UCHAR)
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typedef unsigned char uchar;
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#endif
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#endif /* coretypes.h */
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