void jvm_StackInit(JVMStack *stack, uint32 max) {
stack->max = max;
stack->pos = 0;
max += 3;
stack->data = (uint64*)jvm_malloc(sizeof(uint64) * max);
stack->flags = (uint32*)jvm_malloc(sizeof(uint32) * max);
}
void BranchTable::init()
{
_b_items =
(BranchItem*) jvm_malloc(BRANCH_TABLE_LENGTH * sizeof(BranchItem));
GUARANTEE(_b_items, "sanity");
jvm_memset(_b_items, 0, BRANCH_TABLE_LENGTH * sizeof(BranchItem));
_item_index = 0;
}
uint8* jvm_ReadWholeFile(const char *path, uint32 *size) {
uint8 *buf;
FILE *fp;
fp = fopen(path, "rb");
if (!fp) {
debugf("error could not open file %s", path);
jvm_exit(-4);
}
fseek(fp, 0, 2);
*size = ftell(fp);
fseek(fp, 0, 0);
buf = (uint8*)jvm_malloc(*size);
debugf("here %llx\n", buf);
fread(buf, 1, *size, fp);
debugf("here\n");
fclose(fp);
return buf;
}
/*****************************************************************************
* FUNCTION
* jam_listmem_malloc
* DESCRIPTION
*
* PARAMETERS
* size [IN]
* RETURNS
* void
*****************************************************************************/
void *jam_listmem_malloc(kal_int32 size)
{
#ifndef J2ME_SLIM_REMOVE_LIST_MEMORY_SUPPORT
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
kal_int32 allocate_size;
void *loc = NULL;
listmem_hdr tmp_header = NULL;
char *temp = NULL, *mem_ptr;
char *mem_pool_start = g_jam_midslist_mem_start_p;
char *mem_pool_end = g_jam_midslist_mem_end_p;
listmem_hdr header;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
if (size <= 0)
{
return NULL;
}
/* 4bytes alignment */
allocate_size = (size + ALIGNMENT) & 0xfffffffc;
/* find a free slot */
for (mem_ptr = mem_pool_start; mem_ptr < mem_pool_end; mem_ptr += header->size + sizeof(listmem_struct))
{
header = (listmem_hdr) mem_ptr;
if (header->magic != MAGIC)
{
kal_trace(TRACE_INFO, FUNC_JAM_LIST_MALLOC_CORRUPTION,(kal_int32) mem_ptr);
break;
}
else
{
while (1)
{
/* coalescing */
if (header->free == 1)
{
/* if current block is free */
temp = (char*)header;
temp += header->size + sizeof(listmem_struct);
if (temp >= mem_pool_end)
{
break;
}
tmp_header = (listmem_hdr) temp;
if ((tmp_header->free == 1) && (tmp_header->magic == MAGIC) && (temp < mem_pool_end))
{
/* and the next block is free too */
/* then coalesce */
header->size += tmp_header->size + sizeof(listmem_struct);
}
else
{
break;
}
}
else
{
break;
}
}
if ((header->free == 1) && (header->size >= (unsigned)allocate_size))
{
if (header->size > (allocate_size + sizeof(listmem_struct) + 4))
{
listmem_hdr next_header;
/* split block */
next_header = (listmem_hdr) ((char*)mem_ptr + allocate_size + sizeof(listmem_struct));
next_header->magic = MAGIC;
next_header->free = 1;
next_header->size = header->size - allocate_size - sizeof(listmem_struct);
header->size = allocate_size;
}
header->free = 0;
loc = (void*)((char*)header + sizeof(listmem_struct));
return (loc);
}
}
}
kal_trace(TRACE_INFO, FUNC_JAM_LIST_MALLOC_MEM_NOT_AVAIL,(kal_int32) mem_ptr);
return 0;
#else
kal_prompt_trace(MOD_JAM, "Here used to be list memory malloc.");
jvm_malloc(size);
#endif
}
void *OsMemory_allocate(size_t size) {
return jvm_malloc(size);
}
OsFile_MappedImageHandle OsFile_MapImage(const PathChar* name,
address preferrable_destination,
int length, int rw_offset,
int rw_length) {
GUARANTEE(length == rw_offset + rw_length, "assumption");
GUARANTEE((int(preferrable_destination) % ASSUMED_PAGE_SIZE) == 0,
"page aligned");
#if USE_UNICODE_FOR_FILENAMES
char ascii_name[256];
int len = fn_strlen(name);
if (len > 255) {
len = 255;
}
for (int i=0; i<len; i++) {
ascii_name[i] = (char)name[i];
}
ascii_name[len] = 0;
#else
const char *ascii_name = name;
#endif
Linux_MappedImage *img =
(Linux_MappedImage*)jvm_malloc(sizeof(Linux_MappedImage));
if (img == NULL) {
return NULL;
}
if (Verbose) {
TTY_TRACE_CR(("Map image desired = 0x%x",int(preferrable_destination)));
}
int open_flags = O_RDONLY;
int fd = jvm_open(ascii_name, open_flags);
// Align the RW region down so that the RW region starts at
// a page boundary.
int ro_length = length - rw_length;
ro_length = (int)align_size_down(ro_length, ASSUMED_PAGE_SIZE);
rw_offset = ro_length;
rw_length = length - ro_length;
if (ForceImageRelocation) {
// For testing purposes, check relocations
preferrable_destination += ASSUMED_PAGE_SIZE * 17;
}
address ro_addr = (address)-1;
address rw_addr = (address)-1;
address ro_preferred = preferrable_destination;
address rw_preferred = preferrable_destination + rw_offset;
if (fd == -1) {
goto error;
}
if (ro_length > 0 && LoadXIPImage && !ForceImageRelocation) {
ro_addr = (address)jvm_mmap(ro_preferred, ro_length,
PROT_READ, MAP_PRIVATE, fd, 0);
rw_addr = (address)jvm_mmap(rw_preferred, rw_length,
PROT_READ | PROT_WRITE, MAP_PRIVATE, fd,
rw_offset);
} else {
// The whole image needs to be mapped R/W.
}
if (ro_addr == ro_preferred && rw_preferred == rw_preferred) {
if (Verbose) {
TTY_TRACE_CR(("Map image actual = 0x%x [RO] size=%d", int(ro_addr),
ro_length));
TTY_TRACE_CR(("Map image actual = 0x%x [RW] size=%d", int(rw_addr),
rw_length));
}
img->mapped_address = ro_addr;
img->ro_length = ro_length;
img->rw_mapped_address = rw_addr;
img->rw_length = rw_length;
} else {
// Can't get to our preferred location. Relocation of the image content
// is needed, so we need to remap the whole thing using RW mapping
if (ro_addr != (address) -1) {
jvm_munmap(ro_addr, ro_length);
}
if (rw_addr != (address) -1) {
jvm_munmap(rw_addr, rw_length);
}
ro_addr = (address)jvm_mmap(ro_preferred, length,
PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
if (ro_addr == (address)-1) {
goto error;
}
if (Verbose) {
TTY_TRACE_CR(("Map image actual = 0x%x [RW] size=%d", int(ro_addr),
length));
}
img->mapped_address = ro_addr;
img->ro_length = length;
img->rw_mapped_address = (address)-1;
img->rw_length = 0;
}
// we don't need fd anymore, mapping is still preserved
jvm_close(fd);
return img;
error:
if (img) {
jvm_free(img);
}
if (fd >= 0) {
jvm_close(fd);
}
return NULL;
}
/*****************************************************************************
* FUNCTION
* jbt_cmd_handle_restore
* DESCRIPTION
*
* PARAMETERS
* void
* RETURNS
* void
*****************************************************************************/
void jbt_cmd_handle_restore(void)
{
/*----------------------------------------------------------------*/
/* Local Variables */
/*----------------------------------------------------------------*/
kal_uint8 i = 0;
/*----------------------------------------------------------------*/
/* Code Body */
/*----------------------------------------------------------------*/
kal_trace(TRACE_FUNC, FUNC_JBT_RESULT, 0xA1);
/* TODO the check range may be furthur optimized. we only need to check specific non-concurrent commands */
for (i = JBT_CMDCODE_GET_LOCAL_NAME; i < JBT_CMDCODE_DEVICE_DISCOVERY_CMD_CANCEL; i++)
{
kal_trace(TRACE_JBT_GROUP, JBT_JBT_CMD_HANDLE_RESTORE_INDEXx02X, i);
jbt_cmd_check_device_in_queue(i);
}
kal_trace(
TRACE_JBT_GROUP,
JBT_JBT_CMD_HANDLE_RESTORE_JBT_CMD_QUEUE_CONTEXTCMD_RUN_NOx02X,
jbt_cmd_queue_context.cmd_run_no);
if (jbt_cmd_queue_context.cmd_run_no == 0)
{
jbt_restore_procedure(JBT_CMD_SUCCESS);
}
else
{
/* Add check: If JBT is in POWER_OTHERS state (caused by VM finalize), if there is an inquiry ongoing, just cancels it */
if (jbt_gap_power_state() == JBT_POWER_OTHERS)
{
jbt_op_info *discovery_operation = jbt_gap_obtain_operation(JBT_CMDCODE_DEVICE_DISCOVERY_CMD);
if (discovery_operation->operation_state == JBT_OPERATION_DISCOVERY_SEARCHING)
{
/* Existing an ongoing discovery operation, sends discovery cancel cmd to btstack to speed the process of VM termination */
jbt_gap_device_discovery_cancel *parms;
kal_uint32 jbt_gap_device_discovery_cancel_size = sizeof(jbt_gap_device_discovery_cancel);
kal_uint8 block_inx = 0;
/*
* DONT invoke the function jbt_device_discovery_cancel_cmd() directly:
* Because JBT is not power_on status during VM termination, if invoking this function will return failure
*/
block_inx = jbt_malloc_block(jbt_gap_device_discovery_cancel_size);
#ifndef JBT_SUPPORT_ADM_MEM
parms = (jbt_gap_device_discovery_cancel*) jvm_malloc(jbt_gap_device_discovery_cancel_size);
#else
parms = (jbt_gap_device_discovery_cancel*) kal_adm_alloc(jbt_get_mem_pool_id(),jbt_gap_device_discovery_cancel_size);
#endif
if (parms != 0)
{
kal_trace(TRACE_JBT_GROUP, FUNC_JBT_CANCEL_INQUIRY_DUE_TO_VM_TERMINATE);
jbt_malloc_record(block_inx, (kal_uint8*)parms, jbt_gap_device_discovery_cancel_size);
parms->transaction_id = discovery_operation->transaction_id;
kal_trace(TRACE_JBT_GROUP, JBT_JBT_CMD_INSERT_QUEUE);
jbt_cmd_insert_queue(
JBT_CMDCODE_DEVICE_DISCOVERY_CMD_CANCEL,
JBT_STACK_CMD_CONCURRENT,
(kal_uint8*) parms);
jbt_free_record((kal_uint8*) parms);
#ifndef JBT_SUPPORT_ADM_MEM
jvm_free((kal_uint8*) parms);
#else
kal_adm_free(jbt_get_mem_pool_id(),(kal_uint8*) parms);
#endif
}
else
{
/* Failed of jvm_malloc() */
jbt_free_block(block_inx);
kal_trace(TRACE_JBT_GROUP, FUNC_JBT_CANCEL_INQUIRY_FAILED_WHILE_VM_TERMINATE);
}
}
}
}
}
int jvm_core_core_handler(struct _JVM *jvm, struct _JVMBundle *bundle, struct _JVMClass *jclass,
uint8 *method8, uint8 *type8, JVMLocal *locals,
int localCnt, JVMLocal *result) {
int x;
int c;
int error;
JVMBundleClass *cbc;
JVMObject *jobject;
JVMObject *sobject;
JVMObject *pobject;
uint8 *cn;
uint8 lbuf[128];
uint8 *buf;
FILE *fp;
struct stat _stat;
JVMObject *_jobject;
debugf("success:%s:%s\n", method8, type8);
// determine what is being called
for (x = 0, c = 0; method8[x] != 0; ++x)
c += method8[x];
debugf("native:%s:%x\n", method8, c);
//jvm_exit(-5);
switch (c) {
// Collect
case 0x2c6:
jvm_Collect(jvm);
result->data = 0;
result->flags = 0;
break;
// LoadResource
case 0x4c8:
sobject = (JVMObject*)locals[0].data;
debugf("sobject %x\n", sobject);
if (!sobject)
break;
pobject = (JVMObject*)sobject->_fields[0].value;
for (c = 0; c < pobject->fieldCnt; ++c)
lbuf[c] = ((uint8*)pobject->fields)[c];
lbuf[c] = 0;
fp = fopen(&lbuf[0], "rb");
fstat(fileno(fp), &_stat);
c = _stat.st_size;
buf = (uint8*)jvm_malloc(sizeof(uint8) * c);
fread(&buf[0], c, 1, fp);
fclose(fp);
error = jvm_CreatePrimArray(jvm, bundle, JVM_ATYPE_BYTE, c, &_jobject, buf);
if (error)
return error;
result->data = (uint64)_jobject;
result->flags = JVM_STACK_ISARRAYREF | JVM_STACK_ISOBJECTREF | JVM_STACK_ISBYTE;
break;
// Exit
case 0x19a:
jvm_exit(-1);
break;
// Print
case 0x20d:
sobject = (JVMObject*)locals[0].data;
debugf("sobject %x\n", sobject);
if (!sobject)
break;
pobject = (JVMObject*)sobject->_fields[0].value;
debugf("pobject %x %u\n", pobject, sobject->fieldCnt);
if (!pobject)
break;
debugf("##:printc[%u]:", pobject->fieldCnt);
for (c = 0; c < pobject->fieldCnt; ++c) {
jvm_printf("%c", ((uint16*)pobject->fields)[c]);
}
jvm_printf("\n");
exit(-3);
break;
// EnumClasses
case 0x463:
// get count of classes
for (c = 0, cbc = bundle->first; cbc != 0; cbc = cbc->next, ++c);
error = jvm_CreateObjectArray(jvm, bundle, "java/lang/String", c, &jobject);
if (error) {
return error;
}
for (c = 0, cbc = bundle->first; cbc != 0; cbc = cbc->next, ++c) {
// create string object
error = jvm_CreateObject(jvm, bundle, "java/lang/String", &sobject);
if (error)
return error;
// get string we need to put in it
cn = jvm_GetClassNameFromClass(cbc->jclass);
// get length of that string
for (x = 0; cn[x] != 0; ++x);
// create primitive array to hold string
error = jvm_CreatePrimArray(jvm, bundle, JVM_ATYPE_BYTE, x, &pobject, 0);
// fill primitive array
for (x = 0; cn[x] != 0; ++x)
((uint8*)pobject->fields)[x] = cn[x];
if (error)
return error;
// add primitive array to String field
sobject->_fields[0].value = (uintptr)pobject;
sobject->_fields[0].jclass = 0;
sobject->_fields[0].aflags = JVM_STACK_ISOBJECTREF | JVM_STACK_ISARRAYREF;
// add to object array of String
jobject->fields[c] = (uint64)sobject;
//jvm_exit(-5);
}
// return the object array of String
result->data = (uintptr)jobject;
result->flags = JVM_STACK_ISOBJECTREF | JVM_STACK_ISARRAYREF;
return JVM_SUCCESS;
}
return JVM_SUCCESS;
}