diff options
Diffstat (limited to 'erts/emulator/sys/common/erl_mmap.h')
| -rw-r--r-- | erts/emulator/sys/common/erl_mmap.h | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/erts/emulator/sys/common/erl_mmap.h b/erts/emulator/sys/common/erl_mmap.h index 66619c5161..b3c45ba116 100644 --- a/erts/emulator/sys/common/erl_mmap.h +++ b/erts/emulator/sys/common/erl_mmap.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2013. All Rights Reserved. + * Copyright Ericsson AB 2013-2016. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -30,9 +30,6 @@ #define ERTS_MMAPFLG_SUPERCARRIER_ONLY (((Uint32) 1) << 1) #define ERTS_MMAPFLG_SUPERALIGNED (((Uint32) 1) << 2) -#define ERTS_HAVE_ERTS_OS_MMAP (1 << 0) -#define ERTS_HAVE_ERTS_SUPERCARRIER_MMAP (1 << 1) -extern int erts_have_erts_mmap; extern UWord erts_page_inv_mask; typedef struct { @@ -53,23 +50,36 @@ typedef struct { #define ERTS_MMAP_INIT_DEFAULT_INITER \ {{NULL, NULL}, {NULL, NULL}, 0, 1, (1 << 16), 1} -void *erts_mmap(Uint32 flags, UWord *sizep); -void erts_munmap(Uint32 flags, void *ptr, UWord size); -void *erts_mremap(Uint32 flags, void *ptr, UWord old_size, UWord *sizep); -int erts_mmap_in_supercarrier(void *ptr); -void erts_mmap_init(ErtsMMapInit*); +#define ERTS_LITERAL_VIRTUAL_AREA_SIZE (UWORD_CONSTANT(1)*1024*1024*1024) + +#define ERTS_MMAP_INIT_LITERAL_INITER \ + {{NULL, NULL}, {NULL, NULL}, ERTS_LITERAL_VIRTUAL_AREA_SIZE, 1, (1 << 10), 0} + +#define ERTS_HIPE_EXEC_VIRTUAL_AREA_SIZE (UWORD_CONSTANT(512)*1024*1024) + +#define ERTS_MMAP_INIT_HIPE_EXEC_INITER \ + {{NULL, NULL}, {NULL, NULL}, ERTS_HIPE_EXEC_VIRTUAL_AREA_SIZE, 1, (1 << 10), 0} + +typedef struct ErtsMemMapper_ ErtsMemMapper; + +void *erts_mmap(ErtsMemMapper*, Uint32 flags, UWord *sizep); +void erts_munmap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord size); +void *erts_mremap(ErtsMemMapper*, Uint32 flags, void *ptr, UWord old_size, UWord *sizep); +int erts_mmap_in_supercarrier(ErtsMemMapper*, void *ptr); +void erts_mmap_init(ErtsMemMapper*, ErtsMMapInit*, int executable); struct erts_mmap_info_struct { UWord sizes[6]; UWord segs[6]; UWord os_used; }; -Eterm erts_mmap_info(int *print_to_p, void *print_to_arg, +Eterm erts_mmap_info(ErtsMemMapper*, int *print_to_p, void *print_to_arg, Eterm** hpp, Uint* szp, struct erts_mmap_info_struct*); -Eterm erts_mmap_info_options(char *prefix, int *print_to_p, void *print_to_arg, +Eterm erts_mmap_info_options(ErtsMemMapper*, + char *prefix, int *print_to_p, void *print_to_arg, Uint **hpp, Uint *szp); struct process; -Eterm erts_mmap_debug_info(struct process*); +Eterm erts_mmap_debug_info(ErtsMemMapper*, struct process*); #define ERTS_SUPERALIGNED_SIZE \ (1 << ERTS_MMAP_SUPERALIGNED_BITS) @@ -121,6 +131,18 @@ Eterm erts_mmap_debug_info(struct process*); # define ERTS_HAVE_OS_MMAP 1 #endif +#ifdef ERTS_WANT_MEM_MAPPERS +# include "erl_alloc_types.h" + +extern ErtsMemMapper erts_dflt_mmapper; +# if defined(ARCH_64) && defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) +extern ErtsMemMapper erts_literal_mmapper; +# endif +# ifdef ERTS_ALC_A_EXEC +extern ErtsMemMapper erts_exec_mmapper; +# endif +#endif /* ERTS_WANT_MEM_MAPPERS */ + /*#define HARD_DEBUG_MSEG*/ #ifdef HARD_DEBUG_MSEG # define HARD_DBG_INSERT_MSEG hard_dbg_insert_mseg |