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xpost_memory.c
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xpost_memory.c
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/*
* Xpost - a Level-2 Postscript interpreter
* Copyright (C) 2013-2016, Michael Joshua Ryan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the Xpost software product nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <assert.h>
#include <ctype.h> /* isprint */
#include <errno.h>
#include <stdlib.h> /* free malloc realloc */
#include <stdio.h> /* remove puts */
#include <string.h> /* memset strerror */
#include <sys/stat.h> /* open */
#include <fcntl.h> /* open */
#ifdef HAVE_UNISTD_H
# include <unistd.h> /* ftruncate close sysconf getpagesize */
#endif
#ifdef HAVE_SYS_MMAN_H
# include <sys/mman.h> /* mmap munmap mremap */
#endif
#ifdef _WIN32
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
# undef WIN32_LEAN_AND_MEAN
# include <io.h>
# define read(f, p, s) _read(f, p, s)
# define lseek(f, p, fl) _lseek(f, p, fl)
# define close(f) _close(f)
# define ftruncate(fd_, size_) _chsize((fd_), (size_))
#endif
#include "xpost.h"
#include "xpost_log.h"
#include "xpost_compat.h"
#include "xpost_error.h"
#include "xpost_memory.h"
#include "xpost_object.h"
/* FIXME: use xpost_log instead */
size_t xpost_memory_page_size;
/*
initialize the global extern page_size variable
*/
int
xpost_memory_init(void)
{
#ifdef _WIN32
SYSTEM_INFO si;
GetSystemInfo(&si);
xpost_memory_page_size = (size_t)si.dwAllocationGranularity;
return 1;
#elif defined HAVE_SYSCONF_PAGESIZE
xpost_memory_page_size = (size_t)sysconf(_SC_PAGESIZE);
return 1;
#elif defined HAVE_SYSCONF_PAGE_SIZE
xpost_memory_page_size = (size_t)sysconf(_SC_PAGE_SIZE);
return 1;
#elif defined HAVE_GETPAGESIZE
xpost_memory_page_size = (size_t)getpagesize();
return 1;
#else
XPOST_LOG_ERR("Could not find a way to retrieve the page size");
return 0;
#endif
}
/*
initialize the memory file structure,
possibly using filename or file descriptor.
install pointers to interpreter functions (so gc can discover contexts given only a memory file)
*/
XPCHECKAPI int
xpost_memory_file_init(Xpost_Memory_File *mem,
const char *fname,
int fd,
struct _Xpost_Context *(*xpost_interpreter_cid_get_context)(unsigned int cid),
int (*xpost_interpreter_get_initializing)(void),
void (*xpost_interpreter_set_initializing)(int))
{
struct stat buf;
size_t sz = xpost_memory_page_size;
#ifdef _WIN32
HANDLE h;
HANDLE fm;
#endif
if (!mem)
{
XPOST_LOG_ERR("%d mem pointer is NULL", VMerror);
return 0;
}
XPOST_LOG_INFO("init memory file%s%s",
fname ? " for " : "", fname ? fname : "");
mem->interpreter_cid_get_context = xpost_interpreter_cid_get_context;
mem->interpreter_get_initializing = xpost_interpreter_get_initializing;
mem->interpreter_set_initializing = xpost_interpreter_set_initializing;
if(fname)
{
strncpy(mem->fname, fname, sizeof(mem->fname));
mem->fname[sizeof(mem->fname) - 1] = '\0';
}
else
mem->fname[0] = '\0';
mem->fd = fd;
if (fd != -1)
{
if (fstat(fd, &buf) == 0)
{
sz = buf.st_size;
if (sz < xpost_memory_page_size)
{
sz = xpost_memory_page_size;
#if defined (HAVE_MMAP) || defined (_WIN32)
if (fd != -1)
{
if (ftruncate(fd, sz) == -1)
XPOST_LOG_ERR("ftruncate(%d, %d) returned -1 (error: %s)",
fd, sz, strerror(errno));
}
#endif
}
}
}
#ifdef _WIN32
if (fd == -1)
h = INVALID_HANDLE_VALUE;
else
{
h = (HANDLE)_get_osfhandle(fd);
if (h == INVALID_HANDLE_VALUE)
{
XPOST_LOG_ERR("Invalid handle");
close(fd);
return 0;
}
}
# ifdef _WIN64
fm = CreateFileMapping(h, NULL, PAGE_READWRITE,
(DWORD)(sz >> 32), (DWORD)(sz & 0x00000000ffffffffULL), NULL);
# else
fm = CreateFileMapping(h, NULL, PAGE_READWRITE, 0, sz & 0xffffffff, NULL);
# endif
if (!fm)
{
XPOST_LOG_ERR("CreateFileMapping failed (%ld)", GetLastError());
if (fd != -1) close(fd);
return 0;
}
mem->base = (unsigned char *)MapViewOfFile(fm, FILE_MAP_ALL_ACCESS, 0, 0, sz);
CloseHandle(fm);
if (!mem->base)
{
#elif defined (HAVE_MMAP)
mem->base = (unsigned char *)mmap(NULL,
sz,
PROT_READ | PROT_WRITE,
(fd == -1 ? MAP_PRIVATE : MAP_SHARED) |
(fd == -1 ? MAP_ANONYMOUS : 0),
fd, 0);
if (mem->base == MAP_FAILED)
{ /* . */
#else
mem->base = malloc(sz);
if (mem->base == NULL)
{ /* .. */
#endif
XPOST_LOG_ERR("%d failed to allocate memory-file data", VMerror);
return 0;
} /* . .. */
mem->used = 0;
mem->max = sz;
#ifndef HAVE_MMAP
/* read file into malloc'd memory */
if (fd != -1)
{
if (read(fd, mem->base, sz) == -1)
XPOST_LOG_ERR("%d failed to read memory file (error: %s)",
VMerror, strerror(errno));
}
#endif
if (fd == -1)
memset(mem->base, 0, mem->max);
return 1;
}
/*
Close, deallocate, and destroy memory file structure
*/
XPCHECKAPI int
xpost_memory_file_exit(Xpost_Memory_File *mem)
{
if (!mem)
{
XPOST_LOG_ERR("%d mem pointer is NULL", VMerror);
return 0;
}
if (mem->base == NULL)
{
XPOST_LOG_ERR("%d mem->base is NULL, mem not initialized ?", VMerror);
return 0;
}
XPOST_LOG_INFO("exit memory file %s", mem->fname);
#ifdef _WIN32
UnmapViewOfFile(mem->base);
#elif defined (HAVE_MMAP)
munmap((void *)mem->base, mem->max);
#else
if (mem->fd != -1)
{
(void) lseek(mem->fd, 0, SEEK_SET);
if (write(mem->fd, mem->base, mem->used) == -1)
XPOST_LOG_ERR("%d unable to write memory file (error: %s)",
VMerror, strerror(errno));
}
free(mem->base);
#endif
mem->base = NULL;
mem->used = 0;
mem->max = 0;
if (mem->fd != -1)
{
close(mem->fd);
mem->fd = -1;
}
if (mem->fname[0] != '\0')
{
struct stat sb;
if (stat(mem->fname, &sb) == 0)
remove(mem->fname);
mem->fname[0] = '\0';
}
return 1;
}
/* grow memory file by sz bytes, rounded up to the nearest system page size.
return 1 on success, 0 on failure.
*/
XPCHECKAPI int
xpost_memory_file_grow(Xpost_Memory_File *mem,
size_t sz)
{
#ifdef _WIN32
HANDLE h;
HANDLE fm;
#endif
void *tmp;
int ret = 1;
if (!mem)
{
XPOST_LOG_ERR("%d mem pointer is NULL", VMerror);
return 0;
}
if (mem->base == NULL)
{
XPOST_LOG_ERR("%d mem->base is NULL", VMerror);
return 0;
}
if (sz < xpost_memory_page_size)
sz = xpost_memory_page_size;
else
sz = (sz / xpost_memory_page_size + 1) * xpost_memory_page_size;
sz += mem->max * 1.5;
XPOST_LOG_INFO("grow memory file%s%s (old: %d new: %d)",
mem->fname ? " for " : "", mem->fname ? mem->fname : "",
mem->max, sz);
#ifdef _WIN32
if (mem->fd != -1)
{
if (ftruncate(mem->fd, sz) == -1)
{
XPOST_LOG_ERR("ftruncate(%d, %d) returned -1", mem->fd, sz);
XPOST_LOG_ERR("strerror: %s", strerror(errno));
}
}
if (mem->fd == -1)
h = INVALID_HANDLE_VALUE;
else
{
h = (HANDLE)_get_osfhandle(mem->fd);
if (h == INVALID_HANDLE_VALUE)
{
XPOST_LOG_ERR("Invalid handle");
close(mem->fd);
return 0;
}
}
#ifdef _WIN64
fm = CreateFileMapping(h, NULL, PAGE_READWRITE,
(DWORD)(sz >> 32), (DWORD)(sz & 0x00000000ffffffffULL), NULL);
#else
fm = CreateFileMapping(h, NULL, PAGE_READWRITE, 0, sz & 0xffffffff, NULL);
#endif
if (!fm)
{
XPOST_LOG_ERR("CreateFileMapping failed (%ld)", GetLastError());
if (mem->fd != -1) close(mem->fd);
return 0;
}
tmp = MapViewOfFile(fm, FILE_MAP_ALL_ACCESS, 0, 0, sz);
CloseHandle(fm);
if (tmp)
{
memcpy(tmp, mem->base, mem->used);
UnmapViewOfFile(mem->base);
}
else
{ /* hanging error case */
#elif defined (HAVE_MMAP)
if (mem->fd != -1)
{
if (ftruncate(mem->fd, sz) == -1)
XPOST_LOG_ERR("ftruncate(%d, %d) returned -1 (error: %s)",
mem->fd, sz, strerror(errno));
}
# ifdef HAVE_MREMAP
tmp = mremap(mem->base, mem->max, sz, MREMAP_MAYMOVE);
# else
if (mem->fd != -1)
{
msync((void *)mem->base, mem->used, MS_SYNC);
munmap((void *)mem->base, mem->max);
lseek(mem->fd, 0, SEEK_SET);
if (ftruncate(mem->fd, sz) == -1)
XPOST_LOG_ERR("ftruncate(%d, %d) returned -1 (error: %s)",
mem->fd, sz, strerror(errno));
tmp = mmap(NULL, sz,
PROT_READ | PROT_WRITE,
MAP_SHARED,
mem->fd, 0);
}
else
{
tmp = mmap(NULL, sz,
PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE,
mem->fd, 0);
if (tmp != MAP_FAILED)
{
memcpy(tmp, mem->base, mem->used);
}
}
# endif
if (tmp == MAP_FAILED)
{ /* hanging error case */
#else
/* initialize mem (valgrind) */
memset(mem->base + mem->used, 0, mem->max - mem->used);
tmp = realloc(mem->base, sz);
if (tmp == NULL)
{ /* hanging error case */
#endif
/* common error case closes the three possible hanging error cases */
XPOST_LOG_ERR("%d unable to grow memory", VMerror);
ret = 0;
}
mem->base = (unsigned char *)tmp;
mem->max = sz;
return ret;
}
/*
allocate data linearly from the memory file
*/
XPCHECKAPI int
xpost_memory_file_alloc(Xpost_Memory_File *mem,
unsigned int sz,
unsigned int *retaddr)
{
unsigned int adr;
if (!mem)
{
XPOST_LOG_ERR("%d mem pointer is NULL", VMerror);
return 0;
}
if (mem->base == NULL)
{
XPOST_LOG_ERR("%d mem->base is NULL, mem not initialized ?", VMerror);
return 0;
}
adr = mem->used;
if (sz)
{
if (sz + mem->used >= mem->max)
{
if (!xpost_memory_file_grow(mem, sz))
{
XPOST_LOG_ERR("%d unable to allocate memory", VMerror);
return 0;
}
}
mem->used += sz;
memset(mem->base + adr, 0, sz);
}
*retaddr = adr;
//XPOST_LOG_INFO("allocated %u bytes at %u in %s", sz, adr, mem->fname);
return 1;
}
void
xpost_memory_file_dump(const Xpost_Memory_File *mem)
{
int u,v;
if (!mem)
{
XPOST_LOG_ERR("%d mem pointer is NULL", VMerror);
return;
}
XPOST_LOG_DUMP("{mfile: base = %p, "
"used = 0x%x (%u), "
"max = 0x%x (%u), "
"start = %d}\n",
mem->base,
mem->used, mem->used,
mem->max, mem->max,
mem->start);
return;
for (u = 0; u < (int)mem->used; u++)
{
if (u%16 == 0)
{
if (u != 0)
{
for (v = u - 16; v < u; v++)
{
XPOST_LOG_DUMP("%c",
isprint(mem->base[v]) ?
mem->base[v] : '.');
}
}
XPOST_LOG_DUMP("\n%06u %04x: ", u, u);
}
XPOST_LOG_DUMP("%02x ", mem->base[u]);
}
if ((u-1)%16 != 0)
{ /* did not print in the last iteration of the loop */
for (v = u; u%16 != 0; v++)
{
XPOST_LOG_DUMP(" ");
}
for (v = u - (u % 16); v < u; v++)
{
XPOST_LOG_DUMP("%c",
isprint(mem->base[v]) ?
mem->base[v] : '.');
}
}
XPOST_LOG_DUMP("\n");
}
/*
* allocate and initialize a memory table data structure
*/
XPCHECKAPI int
xpost_memory_table_init(Xpost_Memory_File *mem)
{
mem->table.tab = malloc( (mem->table.max = 1000) * sizeof(*mem->table.tab));
if (!mem->table.tab)
{
XPOST_LOG_ERR("%d unable to initialize memory table", VMerror);
return 0;
}
mem->table.nextent = 0;
return 1;
}
/* install free-list function into memory file */
int
xpost_memory_register_free_list_alloc_function(
Xpost_Memory_File *mem,
int (*free_list_alloc)(struct Xpost_Memory_File *mem, unsigned int sz, unsigned int tag, unsigned int *entity))
{
mem->free_list_alloc = free_list_alloc;
mem->free_list_alloc_is_installed = 1;
return 1;
}
/* install garbage-collect function into memory file */
int
xpost_memory_register_garbage_collect_function(
Xpost_Memory_File *mem,
int (*garbage_collect)(struct Xpost_Memory_File *mem, int dosweep, int markall))
{
mem->garbage_collect = garbage_collect;
mem->garbage_collect_is_installed = 1;
return 1;
}
/*
allocate sz bytes as an 'ent' in the memory table
*/
static int
_xpost_memory_table_alloc_new(Xpost_Memory_File *mem,
unsigned int sz,
unsigned int tag,
unsigned int *entity)
{
unsigned int ent;
unsigned int adr;
if (!mem)
{
XPOST_LOG_ERR("%d mem pointer is NULL", VMerror);
return 0;
}
ent = mem->table.nextent;
++mem->table.nextent;
if (ent > XPOST_OBJECT_COMP_MAX_ENT)
{
XPOST_LOG_ERR("Warning: ent number %u exceeds object extended-ent-field max %u",
ent, XPOST_OBJECT_COMP_MAX_ENT);
}
if (!xpost_memory_file_alloc(mem, sz, &adr))
{
XPOST_LOG_ERR("%d unable to allocate entity data storage", VMerror);
return 0;
}
mem->table.tab[ent].adr = adr;
mem->table.tab[ent].sz = sz;
mem->table.tab[ent].tag = tag;
if (mem->table.nextent == mem->table.max)
{
void *tmp = realloc(mem->table.tab, (mem->table.max*=2) * sizeof(*mem->table.tab));
if (!tmp)
{
XPOST_LOG_ERR("%d unable to grow memory table", VMerror);
mem->table.max/=2;
return 0;
}
mem->table.tab = tmp;
}
*entity = ent;
return 1;
}
/*
allocate sz bytes in the memory table, using free-list if installed,
possibly calling garbage collector, if installed
*/
XPCHECKAPI int
xpost_memory_table_alloc(Xpost_Memory_File *mem,
unsigned int sz,
unsigned int tag,
unsigned int *entity)
{
int ret;
if (mem->free_list_alloc_is_installed)
{
ret = mem->free_list_alloc(mem, sz, tag, entity);
if (ret == 1)
{
return 1;
}
else if (ret == 2)
{
if (mem->garbage_collect_is_installed &&
!mem->interpreter_get_initializing())
{
int sz_reclaimed;
sz_reclaimed = mem->garbage_collect(mem, 1, 1);
if (sz_reclaimed == -1)
return 0;
if (sz_reclaimed > (int)sz)
{
ret = mem->free_list_alloc(mem, sz, tag, entity);
if (ret == 1)
{
return 1;
}
}
}
}
}
ret = _xpost_memory_table_alloc_new(mem, sz, tag, entity);
//XPOST_LOG_INFO("allocated %u(%u) bytes with tag %u as ent %u at %u in %s", sz, mem->table.tab[*entity].sz, tag, *entity, mem->table.tab[*entity].adr, mem->fname);
mem->table.tab[*entity].used = sz;
return ret;
}
#define CHECK_VALID_ENT(ent,mem,ret) \
if (ent >= mem->table.nextent) \
{ \
XPOST_LOG_ERR("%d entity not found %u", VMerror, ent); \
return ret; \
}
/* get the address of an allocation from the memory table */
int
xpost_memory_table_get_addr(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int *retaddr)
{
if (ent >= mem->table.nextent)
{
XPOST_LOG_ERR("%d entity not found %u", VMerror, ent);
return 0;
}
*retaddr = mem->table.tab[ent].adr;
return 1;
}
/* change the address of an allocation in the memory table */
int xpost_memory_table_set_addr(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int setaddr)
{
CHECK_VALID_ENT(ent,mem,0)
mem->table.tab[ent].adr = setaddr;
return 1;
}
/* get the size of an allocation from the memory table */
int
xpost_memory_table_get_size(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int *sz)
{
CHECK_VALID_ENT(ent,mem,0)
*sz = mem->table.tab[ent].sz;
return 1;
}
/* set the size of an allocation in the memory table */
int
xpost_memory_table_set_size(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int size)
{
CHECK_VALID_ENT(ent,mem,0)
mem->table.tab[ent].sz = size;
return 1;
}
/* get the mark field of an allocation from the memory table */
int
xpost_memory_table_get_mark(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int *retmark)
{
CHECK_VALID_ENT(ent,mem,0)
*retmark = mem->table.tab[ent].mark;
return 1;
}
/* change the mark field of an allocation in the memory table */
int
xpost_memory_table_set_mark(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int setmark)
{
CHECK_VALID_ENT(ent,mem,0)
mem->table.tab[ent].mark = setmark;
return 1;
}
/* get the tag field of an allocation from the memory table */
int
xpost_memory_table_get_tag(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int *tag)
{
CHECK_VALID_ENT(ent,mem,0)
*tag = mem->table.tab[ent].tag;
return 1;
}
/* change the tag field of an allocation in the memory table */
int
xpost_memory_table_set_tag(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int tag)
{
CHECK_VALID_ENT(ent,mem,0)
mem->table.tab[ent].tag = tag;
return 1;
}
/* get sz bytes at offset*sz from a memory allocation */
XPCHECKAPI int
xpost_memory_get(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int offset,
unsigned int sz,
void *dest)
{
CHECK_VALID_ENT(ent,mem,0)
if (offset * sz > mem->table.tab[ent].sz)
{
XPOST_LOG_ERR("%d out of bounds memory %u * %u > %u", rangecheck,
offset, sz, mem->table.tab[ent].sz);
return 0;
}
memcpy(dest, mem->base + mem->table.tab[ent].adr + offset * sz, sz);
return 1;
}
/* put sz bytes at offset*sz in a memory allocation */
XPCHECKAPI int
xpost_memory_put(Xpost_Memory_File *mem,
unsigned int ent,
unsigned int offset,
unsigned int sz,
const void *src)
{
CHECK_VALID_ENT(ent,mem,0)
if (offset * sz > mem->table.tab[ent].sz)
{
XPOST_LOG_ERR("%d out of bounds memory %u * %u > %u", rangecheck,
offset, sz, mem->table.tab[ent].sz);
return 0;
}
memcpy(mem->base + mem->table.tab[ent].adr + offset * sz, src, sz);
return 1;
}
void
xpost_memory_table_dump_ent(Xpost_Memory_File *mem,
unsigned int ent)
{
unsigned int u;
unsigned int i = ent;
unsigned int e = ent;
CHECK_VALID_ENT(ent,mem,)
XPOST_LOG_DUMP("ent %d (%d): "
"adr %u 0x%04x, "
"sz [%u], "
"mark %s rfct %d llev %d tlev %d\n",
e, i,
mem->table.tab[i].adr, mem->table.tab[i].adr,
mem->table.tab[i].sz,
mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_MARK_MASK ? "#" : "_",
(mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_REFCOUNT_MASK)
>> XPOST_MEMORY_TABLE_MARK_DATA_REFCOUNT_OFFSET,
(mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_LOWLEVEL_MASK)
>> XPOST_MEMORY_TABLE_MARK_DATA_LOWLEVEL_OFFSET,
(mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_TOPLEVEL_MASK)
>> XPOST_MEMORY_TABLE_MARK_DATA_TOPLEVEL_OFFSET);
for (u = 0; u < mem->table.tab[i].sz; u++)
{
XPOST_LOG_DUMP(" %02x%c",
mem->base[ mem->table.tab[i].adr + u ],
isprint(mem->base[ mem->table.tab[i].adr + u]) ?
mem->base[ mem->table.tab[i].adr + u ] :
' ');
}
}
void
xpost_memory_table_dump(const Xpost_Memory_File *mem)
{
unsigned int i;
unsigned int e = 0;
XPOST_LOG_DUMP("nextent: %u\n", mem->table.nextent);
for (i = 0; i < mem->table.nextent; i++, e++)
{
unsigned int u;
XPOST_LOG_DUMP("ent %d (%d): "
"adr %u 0x%04x, "
"sz [%u], "
"mark %s rfct %d llev %d tlev %d\n",
e, i,
mem->table.tab[i].adr, mem->table.tab[i].adr,
mem->table.tab[i].sz,
mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_MARK_MASK ? "#" : "_",
(mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_REFCOUNT_MASK)
>> XPOST_MEMORY_TABLE_MARK_DATA_REFCOUNT_OFFSET,
(mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_LOWLEVEL_MASK)
>> XPOST_MEMORY_TABLE_MARK_DATA_LOWLEVEL_OFFSET,
(mem->table.tab[i].mark
& XPOST_MEMORY_TABLE_MARK_DATA_TOPLEVEL_MASK)
>> XPOST_MEMORY_TABLE_MARK_DATA_TOPLEVEL_OFFSET);
for (u = 0; u < mem->table.tab[i].sz; u++)
{
XPOST_LOG_DUMP(" %02x%c",
mem->base[ mem->table.tab[i].adr + u ],
isprint(mem->base[ mem->table.tab[i].adr + u]) ?
mem->base[ mem->table.tab[i].adr + u ] :
' ');
}
XPOST_LOG_DUMP("\n");
}
}