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/* Elisp native compiler definitions
Copyright (C) 2019-2020 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs 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 of the License, or
(at your option) any later version.
GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
#ifndef COMP_H
#define COMP_H
/* To keep ifdefs under control. */
enum {
NATIVE_COMP_FLAG =
#ifdef HAVE_NATIVE_COMP
1
#else
0
#endif
};
#include <dynlib.h>
struct Lisp_Native_Comp_Unit
{
union vectorlike_header header;
/* Original eln file loaded. */
Lisp_Object file;
Lisp_Object optimize_qualities;
/* Guard anonymous lambdas against Garbage Collection and serve
sanity checks. */
Lisp_Object lambda_gc_guard_h;
/* Hash c_name -> d_reloc_imp index. */
Lisp_Object lambda_c_name_idx_h;
/* Hash doc-idx -> function documentation. */
Lisp_Object data_fdoc_v;
/* Analogous to the constant vector but per compilation unit. */
Lisp_Object data_vec;
/* 'data_impure_vec' must be last (see allocate_native_comp_unit).
Same as data_vec but for data that cannot be moved to pure space. */
Lisp_Object data_impure_vec;
/* STUFFS WE DO NOT DUMP!! */
Lisp_Object *data_imp_relocs;
bool loaded_once;
bool load_ongoing;
dynlib_handle_ptr handle;
} GCALIGNED_STRUCT;
#ifdef HAVE_NATIVE_COMP
INLINE bool
NATIVE_COMP_UNITP (Lisp_Object a)
{
return PSEUDOVECTORP (a, PVEC_NATIVE_COMP_UNIT);
}
INLINE struct Lisp_Native_Comp_Unit *
XNATIVE_COMP_UNIT (Lisp_Object a)
{
eassert (NATIVE_COMP_UNITP (a));
return XUNTAG (a, Lisp_Vectorlike, struct Lisp_Native_Comp_Unit);
}
/* Defined in comp.c. */
extern void hash_native_abi (void);
extern Lisp_Object load_comp_unit (struct Lisp_Native_Comp_Unit *comp_u,
bool loading_dump, bool late_load);
extern void unload_comp_unit (struct Lisp_Native_Comp_Unit *);
extern Lisp_Object native_function_doc (Lisp_Object function);
extern void syms_of_comp (void);
extern void maybe_defer_native_compilation (Lisp_Object function_name,
Lisp_Object definition);
extern void eln_load_path_final_clean_up (void);
extern void fixup_eln_load_path (Lisp_Object directory);
#else /* #ifdef HAVE_NATIVE_COMP */
static inline void
maybe_defer_native_compilation (Lisp_Object function_name,
Lisp_Object definition)
{}
static inline
void unload_comp_unit (struct Lisp_Native_Comp_Unit *cu)
{}
extern void syms_of_comp (void);
#endif /* #ifdef HAVE_NATIVE_COMP */
#endif /* #ifndef COMP_H */
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