conv-core/memory-gnu-internal.C File Reference

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Data Structures
struct	mallinfo
struct	pthread_mlock_t
struct	win32_mlock_t
struct	pthread_mlock_t
struct	malloc_chunk
struct	malloc_tree_chunk
struct	malloc_segment
struct	malloc_state
struct	malloc_params
Typedefs
typedef void *	mspace
typedef struct malloc_chunk	mchunk
typedef struct malloc_chunk *	mchunkptr
typedef struct malloc_chunk *	sbinptr
typedef unsigned int	bindex_t
typedef unsigned int	binmap_t
typedef unsigned int	flag_t
typedef struct malloc_tree_chunk	tchunk
typedef struct malloc_tree_chunk *	tchunkptr
typedef struct malloc_tree_chunk *	tbinptr
typedef struct malloc_segment	msegment
typedef struct malloc_segment *	msegmentptr
typedef struct malloc_state *	mstate
Functions
void *	dlmalloc (size_t)
void	dlfree (void *)
void *	dlcalloc (size_t, size_t)
void *	dlrealloc (void *, size_t)
void *	dlmemalign (size_t, size_t)
void *	dlvalloc (size_t)
int	dlmallopt (int, int)
size_t	dlmalloc_footprint (void)
size_t	dlmalloc_max_footprint (void)
struct mallinfo	dlmallinfo (void)
void **	dlindependent_calloc (size_t, size_t, void **)
void **	dlindependent_comalloc (size_t, size_t *, void **)
void *	dlpvalloc (size_t)
int	dlmalloc_trim (size_t)
size_t	dlmalloc_usable_size (void *)
void	dlmalloc_stats (void)
mspace	create_mspace (size_t capacity, int locked)
size_t	destroy_mspace (mspace msp)
mspace	create_mspace_with_base (void *base, size_t capacity, int locked)
void *	mspace_malloc (mspace msp, size_t bytes)
void	mspace_free (mspace msp, void *mem)
void *	mspace_realloc (mspace msp, void *mem, size_t newsize)
void *	mspace_calloc (mspace msp, size_t n_elements, size_t elem_size)
void *	mspace_memalign (mspace msp, size_t alignment, size_t bytes)
void **	mspace_independent_calloc (mspace msp, size_t n_elements, size_t elem_size, void *chunks[])
void **	mspace_independent_comalloc (mspace msp, size_t n_elements, size_t sizes[], void *chunks[])
size_t	mspace_footprint (mspace msp)
size_t	mspace_max_footprint (mspace msp)
struct mallinfo	mspace_mallinfo (mspace msp)
void	mspace_malloc_stats (mspace msp)
int	mspace_trim (mspace msp, size_t pad)
int	mspace_mallopt (int, int)
void *	sbrk (ptrdiff_t)
LONG __cdecl	_InterlockedCompareExchange (LPLONG volatile Dest, LONG Exchange, LONG Comp)
LONG __cdecl	_InterlockedExchange (LPLONG volatile Target, LONG Value)
unsigned char	_BitScanForward (unsigned long *index, unsigned long mask)
unsigned char	_BitScanReverse (unsigned long *index, unsigned long mask)
size_t	getpagesize ()
static FORCEINLINE void *	win32mmap (size_t size)
static FORCEINLINE void *	win32direct_mmap (size_t size)
static FORCEINLINE int	win32munmap (void *ptr, size_t size)
void *	mremap (void *old_address, size_t old_size, size_t new_size, int flags,...)
static FORCEINLINE int	pthread_acquire_lock (MLOCK_T *sl)
static FORCEINLINE void	pthread_release_lock (MLOCK_T *sl)
static FORCEINLINE int	pthread_try_lock (MLOCK_T *sl)
static FORCEINLINE int	win32_acquire_lock (MLOCK_T *sl)
static FORCEINLINE void	win32_release_lock (MLOCK_T *sl)
static FORCEINLINE int	win32_try_lock (MLOCK_T *sl)
static FORCEINLINE int	pthread_init_lock (MLOCK_T *sl)
static FORCEINLINE int	pthread_islocked (MLOCK_T *sl)
static msegmentptr	segment_holding (mstate m, char *addr)
static int	has_segment_link (mstate m, msegmentptr ss)
static void	reset_on_error (mstate m)
static void	do_check_any_chunk (mstate m, mchunkptr p)
static void	do_check_top_chunk (mstate m, mchunkptr p)
static void	do_check_mmapped_chunk (mstate m, mchunkptr p)
static void	do_check_inuse_chunk (mstate m, mchunkptr p)
static void	do_check_free_chunk (mstate m, mchunkptr p)
static void	do_check_malloced_chunk (mstate m, void *mem, size_t s)
static void	do_check_tree (mstate m, tchunkptr t)
static void	do_check_treebin (mstate m, bindex_t i)
static void	do_check_smallbin (mstate m, bindex_t i)
static void	do_check_malloc_state (mstate m)
static int	bin_find (mstate m, mchunkptr x)
static size_t	traverse_and_check (mstate m)
static int	init_mparams (void)
static int	change_mparam (int param_number, int value)
static struct mallinfo	internal_mallinfo (mstate m)
static void	internal_malloc_stats (mstate m)
static void *	mmap_alloc (mstate m, size_t nb)
static mchunkptr	mmap_resize (mstate m, mchunkptr oldp, size_t nb)
static void	init_top (mstate m, mchunkptr p, size_t psize)
static void	init_bins (mstate m)
static void *	prepend_alloc (mstate m, char *newbase, char *oldbase, size_t nb)
static void	add_segment (mstate m, char *tbase, size_t tsize, flag_t mmapped)
static void *	sys_alloc (mstate m, size_t nb)
static size_t	release_unused_segments (mstate m)
static int	sys_trim (mstate m, size_t pad)
static void *	tmalloc_large (mstate m, size_t nb)
static void *	tmalloc_small (mstate m, size_t nb)
static void *	internal_realloc (mstate m, void *oldmem, size_t bytes)
static void *	internal_memalign (mstate m, size_t alignment, size_t bytes)
static void **	ialloc (mstate m, size_t n_elements, size_t *sizes, int opts, void *chunks[])
void **	dlindependent_calloc (size_t n_elements, size_t elem_size, void *chunks[])
void **	dlindependent_comalloc (size_t n_elements, size_t sizes[], void *chunks[])
static mstate	init_user_mstate (char *tbase, size_t tsize)
size_t	mspace_usable_size (void *mem)
Variables
static int	dev_zero_fd = -1
static MLOCK_T	magic_init_mutex = {0, 0, 0 }
static MLOCK_T	morecore_mutex = {0, 0, 0 }
static struct malloc_params	mparams
static struct malloc_state	_gm_
int	malloc_corruption_error_count

---

Typedef Documentation

typedef void* mspace

Definition at line 1092 of file memory-gnu-internal.C.

typedef struct malloc_chunk mchunk

Definition at line 1949 of file memory-gnu-internal.C.

typedef struct malloc_chunk* mchunkptr

Definition at line 1950 of file memory-gnu-internal.C.

typedef struct malloc_chunk* sbinptr

Definition at line 1951 of file memory-gnu-internal.C.

typedef unsigned int bindex_t

Definition at line 1952 of file memory-gnu-internal.C.

typedef unsigned int binmap_t

Definition at line 1953 of file memory-gnu-internal.C.

typedef unsigned int flag_t

Definition at line 1954 of file memory-gnu-internal.C.

typedef struct malloc_tree_chunk tchunk

Definition at line 2164 of file memory-gnu-internal.C.

typedef struct malloc_tree_chunk* tchunkptr

Definition at line 2165 of file memory-gnu-internal.C.

typedef struct malloc_tree_chunk* tbinptr

Definition at line 2166 of file memory-gnu-internal.C.

typedef struct malloc_segment msegment

Definition at line 2238 of file memory-gnu-internal.C.

typedef struct malloc_segment* msegmentptr

Definition at line 2239 of file memory-gnu-internal.C.

typedef struct malloc_state* mstate

Definition at line 2359 of file memory-gnu-internal.C.

---

Function Documentation

void * dlmalloc

(

size_t

bytes

)

Definition at line 4433 of file memory-gnu-internal.C.

References assert, PUP::b, malloc_chunk::fd, malloc_chunk::head, idx, p, r, sys_alloc(), tmalloc_large(), and tmalloc_small().

Referenced by dlcalloc(), and dlrealloc().

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void dlfree

(

void *

mem

)

Definition at line 4565 of file memory-gnu-internal.C.

References malloc_state::dv, malloc_state::dvsize, malloc_state::footprint, malloc_chunk::head, p, malloc_chunk::prev_foot, malloc_state::release_checks, release_unused_segments(), sys_trim(), malloc_state::top, and malloc_state::topsize.

Referenced by dlrealloc().

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void * dlcalloc	(	size_t	n_elements,
		size_t	elem_size
	)

Definition at line 4675 of file memory-gnu-internal.C.

References dlmalloc().

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void * dlrealloc	(	void *	oldmem,
		size_t	bytes
	)

Definition at line 4690 of file memory-gnu-internal.C.

References dlfree(), dlmalloc(), internal_realloc(), and PUP::m.

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void * dlmemalign	(	size_t	alignment,
		size_t	bytes
	)

Definition at line 4713 of file memory-gnu-internal.C.

References internal_memalign().

Referenced by dlpvalloc(), and dlvalloc().

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void * dlvalloc

(

size_t

bytes

)

Definition at line 4728 of file memory-gnu-internal.C.

References dlmemalign(), init_mparams(), mparams, and malloc_params::page_size.

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int dlmallopt	(	int	param_number,
		int	value
	)

Definition at line 4778 of file memory-gnu-internal.C.

References change_mparam().

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size_t dlmalloc_footprint

(

void

)

Definition at line 4751 of file memory-gnu-internal.C.

size_t dlmalloc_max_footprint

(

void

)

Definition at line 4755 of file memory-gnu-internal.C.

struct mallinfo dlmallinfo

(

void

)

[read]

Definition at line 4760 of file memory-gnu-internal.C.

References internal_mallinfo().

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void** dlindependent_calloc	(	size_t	,
		size_t	,
		void **
	)

void** dlindependent_comalloc	(	size_t	,
		size_t *	,
		void **
	)

void * dlpvalloc

(

size_t

bytes

)

Definition at line 4735 of file memory-gnu-internal.C.

References dlmemalign(), init_mparams(), mparams, and malloc_params::page_size.

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int dlmalloc_trim

(

size_t

pad

)

Definition at line 4742 of file memory-gnu-internal.C.

References sys_trim().

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size_t dlmalloc_usable_size

(

void *

mem

)

Definition at line 4769 of file memory-gnu-internal.C.

References p.

void dlmalloc_stats

(

void

)

Definition at line 4765 of file memory-gnu-internal.C.

References internal_malloc_stats().

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mspace create_mspace	(	size_t	capacity,
		int	locked
	)

Definition at line 4811 of file memory-gnu-internal.C.

References malloc_params::granularity, init_mparams(), init_user_mstate(), PUP::m, mparams, malloc_params::page_size, rs, malloc_state::seg, and malloc_segment::sflags.

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size_t destroy_mspace

(

mspace

msp

)

Definition at line 4844 of file memory-gnu-internal.C.

References malloc_segment::base, flag, malloc_segment::next, malloc_state::seg, malloc_segment::sflags, malloc_segment::size, and size.

mspace create_mspace_with_base	(	void *	base,
		size_t	capacity,
		int	locked
	)

Definition at line 4830 of file memory-gnu-internal.C.

References init_mparams(), init_user_mstate(), PUP::m, mparams, malloc_params::page_size, malloc_state::seg, and malloc_segment::sflags.

Referenced by alignas().

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void * mspace_malloc	(	mspace	msp,
		size_t	bytes
	)

Definition at line 4871 of file memory-gnu-internal.C.

References assert, PUP::b, malloc_state::dv, malloc_state::dvsize, malloc_chunk::fd, malloc_chunk::head, idx, p, r, malloc_state::smallmap, sys_alloc(), tmalloc_large(), tmalloc_small(), malloc_state::top, malloc_state::topsize, and malloc_state::treemap.

Referenced by alignas(), and mspace_realloc().

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void mspace_free	(	mspace	msp,
		void *	mem
	)

Definition at line 4985 of file memory-gnu-internal.C.

References malloc_state::dv, malloc_state::dvsize, malloc_state::footprint, malloc_chunk::head, p, malloc_chunk::prev_foot, malloc_state::release_checks, release_unused_segments(), sys_trim(), malloc_state::top, and malloc_state::topsize.

Referenced by alignas(), and mspace_realloc().

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void * mspace_realloc	(	mspace	msp,
		void *	mem,
		size_t	newsize
	)

Definition at line 5106 of file memory-gnu-internal.C.

References internal_realloc(), mspace_free(), mspace_malloc(), and p.

Referenced by alignas().

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void * mspace_calloc	(	mspace	msp,
		size_t	n_elements,
		size_t	elem_size
	)

Definition at line 5086 of file memory-gnu-internal.C.

Referenced by alignas().

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void * mspace_memalign	(	mspace	msp,
		size_t	alignment,
		size_t	bytes
	)

Definition at line 5130 of file memory-gnu-internal.C.

References internal_memalign().

Referenced by alignas().

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void ** mspace_independent_calloc	(	mspace	msp,
		size_t	n_elements,
		size_t	elem_size,
		void *	chunks[]
	)

Definition at line 5139 of file memory-gnu-internal.C.

References ialloc().

Referenced by alignas().

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void ** mspace_independent_comalloc	(	mspace	msp,
		size_t	n_elements,
		size_t	sizes[],
		void *	chunks[]
	)

Definition at line 5150 of file memory-gnu-internal.C.

References ialloc().

Referenced by alignas().

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size_t mspace_footprint

(

mspace

msp

)

Definition at line 5185 of file memory-gnu-internal.C.

References malloc_state::footprint.

size_t mspace_max_footprint

(

mspace

msp

)

Definition at line 5198 of file memory-gnu-internal.C.

References malloc_state::max_footprint.

struct mallinfo mspace_mallinfo

(

mspace

msp

)

[read]

Definition at line 5212 of file memory-gnu-internal.C.

References internal_mallinfo().

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void mspace_malloc_stats

(

mspace

msp

)

Definition at line 5175 of file memory-gnu-internal.C.

References internal_malloc_stats().

Referenced by alignas().

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int mspace_trim	(	mspace	msp,
		size_t	pad
	)

Definition at line 5160 of file memory-gnu-internal.C.

References sys_trim().

Referenced by alignas().

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int mspace_mallopt	(	int	param_number,
		int	value
	)

Definition at line 5230 of file memory-gnu-internal.C.

References change_mparam().

Referenced by alignas().

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void* sbrk

(

ptrdiff_t

)

Referenced by MemusageSbrk().

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LONG __cdecl _InterlockedCompareExchange	(	LPLONG volatile	Dest,
		LONG	Exchange,
		LONG	Comp
	)

LONG __cdecl _InterlockedExchange	(	LPLONG volatile	Target,
		LONG	Value
	)

unsigned char _BitScanForward	(	unsigned long *	index,
		unsigned long	mask
	)

Referenced by LZ4_NbCommonBytes().

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unsigned char _BitScanReverse	(	unsigned long *	index,
		unsigned long	mask
	)

Referenced by LZ4_NbCommonBytes().

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size_t getpagesize

(

)

Referenced by CmiSendMessageXpmem().

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static FORCEINLINE void* win32mmap

(

size_t

size

)

[static]

Definition at line 1457 of file memory-gnu-internal.C.

static FORCEINLINE void* win32direct_mmap

(

size_t

size

)

[static]

Definition at line 1463 of file memory-gnu-internal.C.

static FORCEINLINE int win32munmap	(	void *	ptr,
		size_t	size
	)			[static]

Definition at line 1470 of file memory-gnu-internal.C.

void* mremap	(	void *	old_address,
		size_t	old_size,
		size_t	new_size,
		int	flags,
			...
	)

static FORCEINLINE int pthread_acquire_lock

(

MLOCK_T *

sl

)

[static]

Definition at line 1557 of file memory-gnu-internal.C.

References assert.

static FORCEINLINE void pthread_release_lock

(

MLOCK_T *

sl

)

[static]

Definition at line 1588 of file memory-gnu-internal.C.

References assert.

static FORCEINLINE int pthread_try_lock

(

MLOCK_T *

sl

)

[static]

Definition at line 1597 of file memory-gnu-internal.C.

References assert.

Referenced by pthread_islocked().

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static FORCEINLINE int win32_acquire_lock

(

MLOCK_T *

sl

)

[static]

Definition at line 1631 of file memory-gnu-internal.C.

References assert.

static FORCEINLINE void win32_release_lock

(

MLOCK_T *

sl

)

[static]

Definition at line 1651 of file memory-gnu-internal.C.

References assert.

static FORCEINLINE int win32_try_lock

(

MLOCK_T *

sl

)

[static]

Definition at line 1659 of file memory-gnu-internal.C.

References assert.

static FORCEINLINE int pthread_init_lock

(

MLOCK_T *

sl

)

[static]

Definition at line 1713 of file memory-gnu-internal.C.

References attr.

static FORCEINLINE int pthread_islocked

(

MLOCK_T *

sl

)

[static]

Definition at line 1723 of file memory-gnu-internal.C.

References pthread_try_lock().

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static msegmentptr segment_holding	(	mstate	m,
		char *	addr
	)			[static]

Definition at line 2438 of file memory-gnu-internal.C.

References malloc_segment::base, malloc_segment::next, malloc_state::seg, and malloc_segment::size.

Referenced by add_segment(), do_check_top_chunk(), sys_alloc(), and sys_trim().

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static int has_segment_link	(	mstate	m,
		msegmentptr	ss
	)			[static]

Definition at line 2449 of file memory-gnu-internal.C.

References malloc_segment::base, malloc_segment::next, malloc_state::seg, and malloc_segment::size.

Referenced by sys_trim().

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static void reset_on_error

(

mstate

m

)

[static]

Definition at line 3607 of file memory-gnu-internal.C.

References malloc_segment::base, malloc_state::dv, malloc_state::dvsize, init_bins(), malloc_segment::next, malloc_state::seg, malloc_segment::size, malloc_state::smallbins, malloc_state::top, malloc_state::topsize, and malloc_state::treebins.

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static void do_check_any_chunk	(	mstate	m,
		mchunkptr	p
	)			[static]

Definition at line 2918 of file memory-gnu-internal.C.

References assert, and malloc_chunk::head.

Referenced by do_check_free_chunk(), do_check_inuse_chunk(), do_check_malloc_state(), and do_check_tree().

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static void do_check_top_chunk	(	mstate	m,
		mchunkptr	p
	)			[static]

Definition at line 2924 of file memory-gnu-internal.C.

References assert, malloc_segment::base, segment_holding(), malloc_segment::size, and malloc_state::topsize.

Referenced by do_check_malloc_state().

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static void do_check_mmapped_chunk	(	mstate	m,
		mchunkptr	p
	)			[static]

Definition at line 2938 of file memory-gnu-internal.C.

References assert, malloc_chunk::head, len, mparams, malloc_params::page_size, and malloc_chunk::prev_foot.

Referenced by do_check_inuse_chunk().

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static void do_check_inuse_chunk	(	mstate	m,
		mchunkptr	p
	)			[static]

Definition at line 2952 of file memory-gnu-internal.C.

References assert, do_check_any_chunk(), and do_check_mmapped_chunk().

Referenced by do_check_malloced_chunk(), do_check_smallbin(), and traverse_and_check().

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static void do_check_free_chunk	(	mstate	m,
		mchunkptr	p
	)			[static]

Definition at line 2963 of file memory-gnu-internal.C.

References assert, malloc_chunk::bk, do_check_any_chunk(), malloc_state::dv, malloc_chunk::fd, malloc_chunk::prev_foot, and malloc_state::top.

Referenced by do_check_smallbin(), and traverse_and_check().

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static void do_check_malloced_chunk	(	mstate	m,
		void *	mem,
		size_t	s
	)			[static]

Definition at line 2986 of file memory-gnu-internal.C.

References assert, do_check_inuse_chunk(), malloc_chunk::head, and p.

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static void do_check_tree	(	mstate	m,
		tchunkptr	t
	)			[static]

Definition at line 3000 of file memory-gnu-internal.C.

References assert, malloc_chunk::bk, do_check_any_chunk(), malloc_chunk::fd, idx, malloc_tree_chunk::index, and PUP::u.

Referenced by do_check_treebin().

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static void do_check_treebin	(	mstate	m,
		bindex_t	i
	)			[static]

Definition at line 3051 of file memory-gnu-internal.C.

References assert, do_check_tree(), PUP::t, and malloc_state::treemap.

Referenced by do_check_malloc_state().

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static void do_check_smallbin	(	mstate	m,
		bindex_t	i
	)			[static]

Definition at line 3062 of file memory-gnu-internal.C.

References assert, PUP::b, malloc_chunk::bk, do_check_free_chunk(), do_check_inuse_chunk(), malloc_chunk::head, p, size, and malloc_state::smallmap.

Referenced by do_check_malloc_state().

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static void do_check_malloc_state

(

mstate

m

)

[static]

Definition at line 3153 of file memory-gnu-internal.C.

References assert, bin_find(), do_check_any_chunk(), do_check_smallbin(), do_check_top_chunk(), do_check_treebin(), malloc_state::dv, malloc_state::dvsize, malloc_state::footprint, malloc_state::max_footprint, malloc_state::top, malloc_state::topsize, and traverse_and_check().

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static int bin_find	(	mstate	m,
		mchunkptr	x
	)			[static]

Definition at line 3086 of file memory-gnu-internal.C.

References PUP::b, malloc_tree_chunk::child, malloc_tree_chunk::fd, malloc_chunk::fd, p, size, PUP::t, and PUP::u.

Referenced by do_check_malloc_state(), and traverse_and_check().

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static size_t traverse_and_check

(

mstate

m

)

[static]

Definition at line 3122 of file memory-gnu-internal.C.

References assert, malloc_segment::base, bin_find(), do_check_free_chunk(), do_check_inuse_chunk(), malloc_state::dv, malloc_chunk::head, malloc_segment::next, PUP::s, malloc_state::seg, malloc_state::top, and malloc_state::topsize.

Referenced by do_check_malloc_state().

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static int init_mparams

(

void

)

[static]

Definition at line 2814 of file memory-gnu-internal.C.

References buf, Ck::IO::close(), malloc_params::default_mflags, fd, malloc_params::granularity, malloc_params::magic, malloc_params::mmap_threshold, mparams, Ck::IO::open(), malloc_params::page_size, PUP::s, size_t, stats::time(), and malloc_params::trim_threshold.

Referenced by change_mparam(), create_mspace(), create_mspace_with_base(), dlpvalloc(), dlvalloc(), and sys_alloc().

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static int change_mparam	(	int	param_number,
		int	value
	)			[static]

Definition at line 2892 of file memory-gnu-internal.C.

References malloc_params::granularity, init_mparams(), malloc_params::mmap_threshold, mparams, malloc_params::page_size, size_t, and malloc_params::trim_threshold.

Referenced by dlmallopt(), and mspace_mallopt().

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static struct mallinfo internal_mallinfo

(

mstate

m

)

[static, read]

Definition at line 3185 of file memory-gnu-internal.C.

References mallinfo::arena, malloc_segment::base, mallinfo::fordblks, mallinfo::hblkhd, malloc_chunk::head, mallinfo::keepcost, PUP::m, malloc_segment::next, mallinfo::ordblks, PUP::s, mallinfo::uordblks, and mallinfo::usmblks.

Referenced by dlmallinfo(), and mspace_mallinfo().

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static void internal_malloc_stats

(

mstate

m

)

[static]

Definition at line 3224 of file memory-gnu-internal.C.

References malloc_segment::base, malloc_state::footprint, malloc_chunk::head, malloc_state::max_footprint, malloc_segment::next, PUP::s, malloc_state::seg, malloc_state::top, malloc_state::topsize, and used.

Referenced by dlmalloc_stats(), and mspace_malloc_stats().

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static void* mmap_alloc	(	mstate	m,
		size_t	nb
	)			[static]

Definition at line 3517 of file memory-gnu-internal.C.

References assert, malloc_state::footprint, malloc_state::least_addr, malloc_state::max_footprint, offset, p, and malloc_chunk::prev_foot.

Referenced by sys_alloc().

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static mchunkptr mmap_resize	(	mstate	m,
		mchunkptr	oldp,
		size_t	nb
	)			[static]

Definition at line 3544 of file memory-gnu-internal.C.

References malloc_state::footprint, malloc_params::granularity, malloc_chunk::head, malloc_state::least_addr, malloc_state::max_footprint, mparams, offset, and malloc_chunk::prev_foot.

Referenced by internal_realloc().

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static void init_top	(	mstate	m,
		mchunkptr	p,
		size_t	psize
	)			[static]

Definition at line 3580 of file memory-gnu-internal.C.

References malloc_chunk::head, mparams, offset, malloc_state::top, malloc_state::topsize, malloc_state::trim_check, and malloc_params::trim_threshold.

Referenced by add_segment(), init_user_mstate(), sys_alloc(), and sys_trim().

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static void init_bins

(

mstate

m

)

[static]

Definition at line 3595 of file memory-gnu-internal.C.

References malloc_chunk::bk, and malloc_chunk::fd.

Referenced by init_user_mstate(), reset_on_error(), and sys_alloc().

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static void* prepend_alloc	(	mstate	m,
		char *	newbase,
		char *	oldbase,
		size_t	nb
	)			[static]

Definition at line 3624 of file memory-gnu-internal.C.

References assert, malloc_state::dv, malloc_state::dvsize, malloc_chunk::head, p, malloc_state::top, and malloc_state::topsize.

Referenced by sys_alloc().

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static void add_segment	(	mstate	m,
		char *	tbase,
		size_t	tsize,
		flag_t	mmapped
	)			[static]

Definition at line 3666 of file memory-gnu-internal.C.

References assert, malloc_segment::base, malloc_chunk::head, init_top(), malloc_segment::next, offset, p, malloc_state::seg, segment_holding(), malloc_segment::sflags, malloc_segment::size, and malloc_state::top.

Referenced by sys_alloc().

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static void* sys_alloc	(	mstate	m,
		size_t	nb
	)			[static]

Definition at line 3721 of file memory-gnu-internal.C.

References add_segment(), malloc_segment::base, malloc_state::footprint, malloc_chunk::head, init_bins(), init_mparams(), init_top(), malloc_state::least_addr, malloc_params::magic, malloc_state::magic, malloc_state::max_footprint, mmap_alloc(), malloc_params::mmap_threshold, mparams, malloc_segment::next, p, prepend_alloc(), r, malloc_state::release_checks, malloc_state::seg, segment_holding(), malloc_segment::sflags, malloc_segment::size, size_t, malloc_state::top, and malloc_state::topsize.

Referenced by dlmalloc(), and mspace_malloc().

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static size_t release_unused_segments

(

mstate

m

)

[static]

Definition at line 3918 of file memory-gnu-internal.C.

References assert, malloc_segment::base, malloc_state::dv, malloc_state::dvsize, malloc_state::footprint, malloc_segment::next, p, malloc_state::release_checks, malloc_state::seg, malloc_segment::size, and size.

Referenced by dlfree(), mspace_free(), and sys_trim().

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static int sys_trim	(	mstate	m,
		size_t	pad
	)			[static]

Definition at line 3965 of file memory-gnu-internal.C.

References malloc_segment::base, malloc_state::footprint, malloc_params::granularity, has_segment_link(), init_top(), mparams, release_unused_segments(), segment_holding(), malloc_segment::size, malloc_state::top, malloc_state::topsize, and malloc_state::trim_check.

Referenced by dlfree(), dlmalloc_trim(), mspace_free(), and mspace_trim().

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static void* tmalloc_large	(	mstate	m,
		size_t	nb
	)			[static]

Definition at line 4031 of file memory-gnu-internal.C.

References assert, malloc_tree_chunk::child, malloc_state::dvsize, idx, r, PUP::t, and malloc_state::treemap.

Referenced by dlmalloc(), and mspace_malloc().

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static void* tmalloc_small	(	mstate	m,
		size_t	nb
	)			[static]

Definition at line 4104 of file memory-gnu-internal.C.

References assert, r, PUP::t, and malloc_state::treemap.

Referenced by dlmalloc(), and mspace_malloc().

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static void* internal_realloc	(	mstate	m,
		void *	oldmem,
		size_t	bytes
	)			[static]

Definition at line 4144 of file memory-gnu-internal.C.

References malloc_chunk::head, mmap_resize(), malloc_state::top, and malloc_state::topsize.

Referenced by dlrealloc(), and mspace_realloc().

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static void* internal_memalign	(	mstate	m,
		size_t	alignment,
		size_t	bytes
	)			[static]

Definition at line 4215 of file memory-gnu-internal.C.

References PUP::a, assert, malloc_chunk::head, p, malloc_chunk::prev_foot, size, and size_t.

Referenced by dlmemalign(), and mspace_memalign().

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static void** ialloc	(	mstate	m,
		size_t	n_elements,
		size_t *	sizes,
		int	opts,
		void *	chunks[]
	)			[static]

Definition at line 4302 of file memory-gnu-internal.C.

References assert, p, and size.

Referenced by dlindependent_calloc(), dlindependent_comalloc(), mspace_independent_calloc(), and mspace_independent_comalloc().

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void** dlindependent_calloc	(	size_t	n_elements,
		size_t	elem_size,
		void *	chunks[]
	)

Definition at line 4717 of file memory-gnu-internal.C.

References ialloc().

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void** dlindependent_comalloc	(	size_t	n_elements,
		size_t	sizes[],
		void *	chunks[]
	)

Definition at line 4723 of file memory-gnu-internal.C.

References ialloc().

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static mstate init_user_mstate	(	char *	tbase,
		size_t	tsize
	)			[static]

Definition at line 4788 of file memory-gnu-internal.C.

References malloc_segment::base, malloc_params::default_mflags, malloc_state::extp, malloc_state::exts, malloc_state::footprint, malloc_chunk::head, init_bins(), init_top(), malloc_state::least_addr, PUP::m, malloc_params::magic, malloc_state::magic, malloc_state::max_footprint, malloc_state::mflags, mparams, malloc_state::mutex, malloc_state::release_checks, malloc_state::seg, malloc_segment::size, and malloc_state::top.

Referenced by create_mspace(), and create_mspace_with_base().

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size_t mspace_usable_size

(

void *

mem

)

Definition at line 5221 of file memory-gnu-internal.C.

References p.

---

Variable Documentation

int dev_zero_fd = -1 [static]

Definition at line 1446 of file memory-gnu-internal.C.

static MLOCK_T magic_init_mutex = {0, 0, 0 } [static]

Definition at line 1615 of file memory-gnu-internal.C.

static MLOCK_T morecore_mutex = {0, 0, 0 } [static]

Definition at line 1617 of file memory-gnu-internal.C.

struct malloc_params mparams [static]

Definition at line 2378 of file memory-gnu-internal.C.

Referenced by change_mparam(), create_mspace(), create_mspace_with_base(), dlpvalloc(), dlvalloc(), do_check_mmapped_chunk(), init_mparams(), init_top(), init_user_mstate(), mmap_resize(), sys_alloc(), and sys_trim().

struct malloc_state _gm_ [static]

Definition at line 2383 of file memory-gnu-internal.C.

int malloc_corruption_error_count

Definition at line 2512 of file memory-gnu-internal.C.