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linux/scripts/gcc-plugins/gcc-common.h
Ard Biesheuvel 4c78c7271f gcc-plugins: remove support for GCC 4.9 and older 
The minimum GCC version has been bumped to 5.1, so we can get rid of all
the compatibility code for anything older than that.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210922182632.633394-1-ardb@kernel.org
2021-10-04 10:58:08 -07:00

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef GCC_COMMON_H_INCLUDED
#define GCC_COMMON_H_INCLUDED
#include "bversion.h"
#if BUILDING_GCC_VERSION >= 6000
#include "gcc-plugin.h"
#else
#include "plugin.h"
#endif
#include "plugin-version.h"
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "line-map.h"
#include "input.h"
#include "tree.h"
#include "tree-inline.h"
#include "version.h"
#include "rtl.h"
#include "tm_p.h"
#include "flags.h"
#include "hard-reg-set.h"
#include "output.h"
#include "except.h"
#include "function.h"
#include "toplev.h"
#include "expr.h"
#include "basic-block.h"
#include "intl.h"
#include "ggc.h"
#include "timevar.h"
#if BUILDING_GCC_VERSION < 10000
#include "params.h"
#endif
#include "hash-map.h"
#if BUILDING_GCC_VERSION >= 7000
#include "memmodel.h"
#endif
#include "emit-rtl.h"
#include "debug.h"
#include "target.h"
#include "langhooks.h"
#include "cfgloop.h"
#include "cgraph.h"
#include "opts.h"
#include "tree-pretty-print.h"
#include "gimple-pretty-print.h"
#include "c-family/c-common.h"
#include "tree-cfgcleanup.h"
#include "tree-ssa-operands.h"
#include "tree-into-ssa.h"
#include "is-a.h"
#include "diagnostic.h"
#include "tree-dump.h"
#include "tree-pass.h"
#include "pass_manager.h"
#include "predict.h"
#include "ipa-utils.h"
#if BUILDING_GCC_VERSION >= 8000
#include "stringpool.h"
#endif
#include "attribs.h"
#include "varasm.h"
#include "stor-layout.h"
#include "internal-fn.h"
#include "gimple-expr.h"
#include "gimple-fold.h"
#include "context.h"
#include "tree-ssa-alias.h"
#include "tree-ssa.h"
#include "stringpool.h"
#if BUILDING_GCC_VERSION >= 7000
#include "tree-vrp.h"
#endif
#include "tree-ssanames.h"
#include "print-tree.h"
#include "tree-eh.h"
#include "stmt.h"
#include "gimplify.h"
#include "gimple.h"
#include "tree-ssa-operands.h"
#include "tree-phinodes.h"
#include "tree-cfg.h"
#include "gimple-iterator.h"
#include "gimple-ssa.h"
#include "ssa-iterators.h"
#include "builtins.h"
/* missing from basic_block.h... */
void debug_dominance_info(enum cdi_direction dir);
void debug_dominance_tree(enum cdi_direction dir, basic_block root);
#ifndef __unused
#define __unused __attribute__((__unused__))
#endif
#ifndef __visible
#define __visible __attribute__((visibility("default")))
#endif
#define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
#define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))
#define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node))
#define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node))
/* should come from c-tree.h if only it were installed for gcc 4.5... */
#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
static inline tree build_const_char_string(int len, const char *str)
{
tree cstr, elem, index, type;
cstr = build_string(len, str);
elem = build_type_variant(char_type_node, 1, 0);
index = build_index_type(size_int(len - 1));
type = build_array_type(elem, index);
TREE_TYPE(cstr) = type;
TREE_CONSTANT(cstr) = 1;
TREE_READONLY(cstr) = 1;
TREE_STATIC(cstr) = 1;
return cstr;
}
#define PASS_INFO(NAME, REF, ID, POS) \
struct register_pass_info NAME##_pass_info = { \
.pass = make_##NAME##_pass(), \
.reference_pass_name = REF, \
.ref_pass_instance_number = ID, \
.pos_op = POS, \
}
#define add_referenced_var(var)
#define mark_sym_for_renaming(var)
#define varpool_mark_needed_node(node)
#define create_var_ann(var)
#define TODO_dump_func 0
#define TODO_dump_cgraph 0
#define TODO_ggc_collect 0
#define NODE_SYMBOL(node) (node)
#define NODE_DECL(node) (node)->decl
#define cgraph_node_name(node) (node)->name()
#define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias
static inline opt_pass *get_pass_for_id(int id)
{
return g->get_passes()->get_pass_for_id(id);
}
#if BUILDING_GCC_VERSION < 6000
/* gimple related */
template <>
template <>
inline bool is_a_helper<const gassign *>::test(const_gimple gs)
{
return gs->code == GIMPLE_ASSIGN;
}
#endif
#define TODO_verify_ssa TODO_verify_il
#define TODO_verify_flow TODO_verify_il
#define TODO_verify_stmts TODO_verify_il
#define TODO_verify_rtl_sharing TODO_verify_il
#define INSN_DELETED_P(insn) (insn)->deleted()
static inline const char *get_decl_section_name(const_tree decl)
{
return DECL_SECTION_NAME(decl);
}
/* symtab/cgraph related */
#define debug_cgraph_node(node) (node)->debug()
#define cgraph_get_node(decl) cgraph_node::get(decl)
#define cgraph_get_create_node(decl) cgraph_node::get_create(decl)
#define cgraph_create_node(decl) cgraph_node::create(decl)
#define cgraph_n_nodes symtab->cgraph_count
#define cgraph_max_uid symtab->cgraph_max_uid
#define varpool_get_node(decl) varpool_node::get(decl)
#define dump_varpool_node(file, node) (node)->dump(file)
#if BUILDING_GCC_VERSION >= 8000
#define cgraph_create_edge(caller, callee, call_stmt, count, freq) \
(caller)->create_edge((callee), (call_stmt), (count))
#define cgraph_create_edge_including_clones(caller, callee, \
old_call_stmt, call_stmt, count, freq, reason) \
(caller)->create_edge_including_clones((callee), \
(old_call_stmt), (call_stmt), (count), (reason))
#else
#define cgraph_create_edge(caller, callee, call_stmt, count, freq) \
(caller)->create_edge((callee), (call_stmt), (count), (freq))
#define cgraph_create_edge_including_clones(caller, callee, \
old_call_stmt, call_stmt, count, freq, reason) \
(caller)->create_edge_including_clones((callee), \
(old_call_stmt), (call_stmt), (count), (freq), (reason))
#endif
typedef struct cgraph_node *cgraph_node_ptr;
typedef struct cgraph_edge *cgraph_edge_p;
typedef struct varpool_node *varpool_node_ptr;
static inline void change_decl_assembler_name(tree decl, tree name)
{
symtab->change_decl_assembler_name(decl, name);
}
static inline void varpool_finalize_decl(tree decl)
{
varpool_node::finalize_decl(decl);
}
static inline void varpool_add_new_variable(tree decl)
{
varpool_node::add(decl);
}
static inline unsigned int rebuild_cgraph_edges(void)
{
return cgraph_edge::rebuild_edges();
}
static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability)
{
return node->function_symbol(availability);
}
static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL)
{
return node->ultimate_alias_target(availability);
}
static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node)
{
return node->only_called_directly_p();
}
static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node)
{
return node->get_availability();
}
static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node)
{
return node->get_alias_target();
}
static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
{
return node->call_for_symbol_thunks_and_aliases(callback, data, include_overwritable);
}
static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data)
{
return symtab->add_cgraph_insertion_hook(hook, data);
}
static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry)
{
symtab->remove_cgraph_insertion_hook(entry);
}
static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data)
{
return symtab->add_cgraph_removal_hook(hook, data);
}
static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry)
{
symtab->remove_cgraph_removal_hook(entry);
}
static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data)
{
return symtab->add_cgraph_duplication_hook(hook, data);
}
static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry)
{
symtab->remove_cgraph_duplication_hook(entry);
}
static inline void cgraph_call_node_duplication_hooks(cgraph_node_ptr node, cgraph_node_ptr node2)
{
symtab->call_cgraph_duplication_hooks(node, node2);
}
static inline void cgraph_call_edge_duplication_hooks(cgraph_edge *cs1, cgraph_edge *cs2)
{
symtab->call_edge_duplication_hooks(cs1, cs2);
}
#if BUILDING_GCC_VERSION >= 6000
typedef gimple *gimple_ptr;
typedef const gimple *const_gimple_ptr;
#define gimple gimple_ptr
#define const_gimple const_gimple_ptr
#undef CONST_CAST_GIMPLE
#define CONST_CAST_GIMPLE(X) CONST_CAST(gimple, (X))
#endif
/* gimple related */
static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL)
{
return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
}
#if BUILDING_GCC_VERSION < 10000
template <>
template <>
inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
{
return gs->code == GIMPLE_GOTO;
}
template <>
template <>
inline bool is_a_helper<const greturn *>::test(const_gimple gs)
{
return gs->code == GIMPLE_RETURN;
}
#endif
static inline gasm *as_a_gasm(gimple stmt)
{
return as_a<gasm *>(stmt);
}
static inline const gasm *as_a_const_gasm(const_gimple stmt)
{
return as_a<const gasm *>(stmt);
}
static inline gassign *as_a_gassign(gimple stmt)
{
return as_a<gassign *>(stmt);
}
static inline const gassign *as_a_const_gassign(const_gimple stmt)
{
return as_a<const gassign *>(stmt);
}
static inline gcall *as_a_gcall(gimple stmt)
{
return as_a<gcall *>(stmt);
}
static inline const gcall *as_a_const_gcall(const_gimple stmt)
{
return as_a<const gcall *>(stmt);
}
static inline ggoto *as_a_ggoto(gimple stmt)
{
return as_a<ggoto *>(stmt);
}
static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
{
return as_a<const ggoto *>(stmt);
}
static inline gphi *as_a_gphi(gimple stmt)
{
return as_a<gphi *>(stmt);
}
static inline const gphi *as_a_const_gphi(const_gimple stmt)
{
return as_a<const gphi *>(stmt);
}
static inline greturn *as_a_greturn(gimple stmt)
{
return as_a<greturn *>(stmt);
}
static inline const greturn *as_a_const_greturn(const_gimple stmt)
{
return as_a<const greturn *>(stmt);
}
/* IPA/LTO related */
#define ipa_ref_list_referring_iterate(L, I, P) \
(L)->referring.iterate((I), &(P))
#define ipa_ref_list_reference_iterate(L, I, P) \
(L)->reference.iterate((I), &(P))
static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref)
{
return dyn_cast<cgraph_node_ptr>(ref->referring);
}
static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt)
{
referring_node->remove_stmt_references(stmt);
}
#if BUILDING_GCC_VERSION < 6000
#define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning) \
get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, pvolatilep, keep_aligning)
#define gen_rtx_set(ARG0, ARG1) gen_rtx_SET(VOIDmode, (ARG0), (ARG1))
#endif
#if BUILDING_GCC_VERSION >= 6000
#define gen_rtx_set(ARG0, ARG1) gen_rtx_SET((ARG0), (ARG1))
#endif
#ifdef __cplusplus
static inline void debug_tree(const_tree t)
{
debug_tree(CONST_CAST_TREE(t));
}
static inline void debug_gimple_stmt(const_gimple s)
{
debug_gimple_stmt(CONST_CAST_GIMPLE(s));
}
#else
#define debug_tree(t) debug_tree(CONST_CAST_TREE(t))
#define debug_gimple_stmt(s) debug_gimple_stmt(CONST_CAST_GIMPLE(s))
#endif
#if BUILDING_GCC_VERSION >= 7000
#define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning) \
get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
#endif
#if BUILDING_GCC_VERSION < 7000
#define SET_DECL_ALIGN(decl, align) DECL_ALIGN(decl) = (align)
#define SET_DECL_MODE(decl, mode) DECL_MODE(decl) = (mode)
#endif
#endif
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