void checkIntegrity(void)
{
struct chunkHeader *walker;
struct chunkTrailer *chunkTrailer;
unsigned char *memory;
// dbgf_all(DBGT_INFO, " ");
for (walker = chunkList; walker != NULL; walker = walker->next)
{
if (walker->magicNumber != MAGIC_NUMBER)
{
dbgf( DBGL_SYS, DBGT_ERR,
"invalid magic number in header: %08x, malloc tag = %d",
walker->magicNumber, walker->tag );
cleanup_all( -500073 );
}
memory = (unsigned char *)walker;
chunkTrailer = (struct chunkTrailer *)(memory + sizeof(struct chunkHeader) + walker->length);
if (chunkTrailer->magicNumber != MAGIC_NUMBER)
{
dbgf( DBGL_SYS, DBGT_ERR,
"invalid magic number in trailer: %08x, malloc tag = %d",
chunkTrailer->magicNumber, walker->tag );
cleanup_all( -500075 );
}
}
}
void removeMemory(int32_t tag, int32_t freetag)
{
struct memoryUsage *walker;
for ( walker = memoryList; walker != NULL; walker = walker->next ) {
if ( walker->tag == tag ) {
if ( walker->counter == 0 ) {
dbg( DBGL_SYS, DBGT_ERR,
"Freeing more memory than was allocated: malloc tag = %d, free tag = %d",
tag, freetag );
cleanup_all( -500069 );
}
walker->counter--;
break;
}
}
if ( walker == NULL ) {
dbg( DBGL_SYS, DBGT_ERR,
"Freeing memory that was never allocated: malloc tag = %d, free tag = %d",
tag, freetag );
cleanup_all( -500070 );
}
}
int main( int argc, char *argv[] )
{
struct map_data *map;
if ( init(&map, argc, argv) ) {
exit( 0 );
}
int cur = '\0';
point_t start = get_start_point( map );
do {
clear();
print_map( map );
process_key( cur );
switch ( cur ) {
default: {
point_t target = get_cursor();
//mvprintw( 0, 0, "Cursor was at : (%d, %d)", target.x, target.y);
path_t *path_to_target = search_path( start, target, map );
print_path( path_to_target );
refresh();
}
}
refresh();
} while ( (cur = getch()) != 'q' );
cleanup_all();
return 0;
}
/**
* Create the Timer Task
* @param _init_callback
*/
void StartTimerLoop(CO_Data* d, TimerCallback_t _init_callback)
{
int ret = 0;
stop_timer = 0;
init_callback = _init_callback;
callback_od = d;
char taskname[32];
snprintf(taskname, sizeof(taskname), "timerloop-%d", current->pid);
/* create timerloop_task */
ret = rt_task_create(&timerloop_task, taskname, 0, 50, 0); /* T_JOINABLE only in user space */
if (ret) {
printk("Failed to create timerloop_task, code %d\n",ret);
return;
}
/* start timerloop_task */
ret = rt_task_start(&timerloop_task,&timerloop_task_proc,NULL);
if (ret) {
printk("Failed to start timerloop_task, code %u\n",ret);
goto error;
}
return;
error:
cleanup_all();
}
static void process_signal(int sig){
int r = 0;
switch(sig) {
case SIGINT:
case SIGQUIT:
case SIGTERM:
case SIGHUP:
r += log_status();
break;
case SIGUSR1:
case SIGUSR2:
log_debug();
/*local_debug();*/
cluster_debug();
return;
default:
LOG_PRINT("Unknown signal received... ignoring");
return;
}
if (!r) {
LOG_DBG("No current cluster logs... safe to exit.");
cleanup_all();
exit(EXIT_SUCCESS);
}
LOG_ERROR("Cluster logs exist. Refusing to exit.");
}
/* Ensures we can read a certain amount of bytes without overrunning the end
* of the stream. */
static void ensure_can_read(MVMThreadContext *tc, MVMCompUnit *cu, ReaderState *rs, MVMuint8 *pos, MVMuint32 size) {
MVMCompUnitBody *cu_body = &cu->body;
if (pos + size > cu_body->data_start + cu_body->data_size) {
if (rs)
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Read past end of bytecode stream");
}
}
void *_debugRealloc(void *memoryParameter, uint32_t length, int32_t tag)
{
unsigned char *memory;
struct chunkHeader *chunkHeader=NULL;
struct chunkTrailer *chunkTrailer;
unsigned char *result;
uint32_t copyLength;
if (memoryParameter) { /* if memoryParameter==NULL, realloc() should work like malloc() !! */
memory = memoryParameter;
chunkHeader = (struct chunkHeader *)(memory - sizeof(struct chunkHeader));
if (chunkHeader->magicNumber != MAGIC_NUMBER)
{
dbgf( DBGL_SYS, DBGT_ERR,
"invalid magic number in header: %08x, malloc tag = %d",
chunkHeader->magicNumber, chunkHeader->tag );
cleanup_all( -500078 );
}
chunkTrailer = (struct chunkTrailer *)(memory + chunkHeader->length);
if (chunkTrailer->magicNumber != MAGIC_NUMBER)
{
dbgf( DBGL_SYS, DBGT_ERR,
"invalid magic number in trailer: %08x, malloc tag = %d",
chunkTrailer->magicNumber, chunkHeader->tag );
cleanup_all( -500079 );
}
}
result = _debugMalloc(length, tag);
if (memoryParameter) {
copyLength = length;
if (copyLength > chunkHeader->length)
copyLength = chunkHeader->length;
memcpy(result, memoryParameter, copyLength);
debugFree(memoryParameter, -300280);
}
return result;
}
/* Reads a string index, looks up the string and returns it. Bounds
* checks the string heap index too. */
static MVMString * get_heap_string(MVMThreadContext *tc, MVMCompUnit *cu, ReaderState *rs, MVMuint8 *buffer, size_t offset) {
MVMuint32 heap_index = read_int32(buffer, offset);
if (heap_index >= cu->body.num_strings) {
if (rs)
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "String heap index beyond end of string heap");
}
return MVM_cu_string(tc, cu, heap_index);
}
/* the main program when not doing a compile */
static int ccache_main(int argc, char *argv[])
{
int c;
size_t v;
while ((c = getopt(argc, argv, "hszcCF:M:V")) != -1) {
switch (c) {
case 'V':
printf("ccache version %s\n", CCACHE_VERSION);
printf("Copyright Andrew Tridgell 2002\n");
printf("Released under the GNU GPL v2 or later\n");
exit(0);
case 'h':
usage();
exit(0);
case 's':
stats_summary();
break;
case 'c':
cleanup_all(cache_dir);
printf("Cleaned cache\n");
break;
case 'C':
wipe_all(cache_dir);
printf("Cleared cache\n");
break;
case 'z':
stats_zero();
printf("Statistics cleared\n");
break;
case 'F':
v = atoi(optarg);
stats_set_limits(v, -1);
printf("Set cache file limit to %u\n", (unsigned)v);
break;
case 'M':
v = value_units(optarg);
stats_set_limits(-1, v);
printf("Set cache size limit to %uk\n", (unsigned)v);
break;
default:
usage();
exit(1);
}
}
return 0;
}
void *_debugRealloc(void *memory, uint32_t length, int32_t tag)
{
void *result;
result = realloc(memory, length);
if (result == NULL) {
dbg( DBGL_SYS, DBGT_ERR, "Cannot re-allocate %u bytes, malloc tag = %d", length, tag );
cleanup_all( -500071 );
}
return result;
}
/* Loads the SC dependencies list. */
static void deserialize_sc_deps(MVMThreadContext *tc, MVMCompUnit *cu, ReaderState *rs) {
MVMCompUnitBody *cu_body = &cu->body;
MVMuint32 i, sh_idx;
MVMuint8 *pos;
/* Allocate SC lists in compilation unit. */
cu_body->scs = MVM_malloc(rs->expected_scs * sizeof(MVMSerializationContext *));
cu_body->scs_to_resolve = MVM_malloc(rs->expected_scs * sizeof(MVMSerializationContextBody *));
cu_body->sc_handle_idxs = MVM_malloc(rs->expected_scs * sizeof(MVMint32));
cu_body->num_scs = rs->expected_scs;
/* Resolve all the things. */
pos = rs->sc_seg;
for (i = 0; i < rs->expected_scs; i++) {
MVMSerializationContextBody *scb;
MVMString *handle;
/* Grab string heap index. */
ensure_can_read(tc, cu, rs, pos, 4);
sh_idx = read_int32(pos, 0);
pos += 4;
/* Resolve to string. */
if (sh_idx >= cu_body->num_strings) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "String heap index beyond end of string heap");
}
cu_body->sc_handle_idxs[i] = sh_idx;
handle = MVM_cu_string(tc, cu, sh_idx);
/* See if we can resolve it. */
uv_mutex_lock(&tc->instance->mutex_sc_weakhash);
MVM_string_flatten(tc, handle);
MVM_HASH_GET(tc, tc->instance->sc_weakhash, handle, scb);
if (scb && scb->sc) {
cu_body->scs_to_resolve[i] = NULL;
MVM_ASSIGN_REF(tc, &(cu->common.header), cu_body->scs[i], scb->sc);
}
else {
if (!scb) {
scb = MVM_calloc(1, sizeof(MVMSerializationContextBody));
scb->handle = handle;
MVM_HASH_BIND(tc, tc->instance->sc_weakhash, handle, scb);
MVM_sc_add_all_scs_entry(tc, scb);
}
cu_body->scs_to_resolve[i] = scb;
cu_body->scs[i] = NULL;
}
uv_mutex_unlock(&tc->instance->mutex_sc_weakhash);
}
}
/* wipe all cached files in all subdirs */
void wipe_all(struct conf *conf)
{
char *dname;
int i;
for (i = 0; i <= 0xF; i++) {
dname = format("%s/%1x", conf->cache_dir, i);
traverse(dname, wipe_fn);
free(dname);
}
/* and fix the counters */
cleanup_all(conf);
}
/* wipe all cached files in all subdirs */
void wipe_all(const char *dir)
{
char *dname;
int i;
for (i = 0; i <= 0xF; i++) {
dname = format("%s/%1x", dir, i);
traverse(dir, wipe_fn);
free(dname);
}
/* and fix the counters */
cleanup_all(dir);
}
void *_debugMalloc(uint32_t length, int32_t tag)
{
void *result;
result = malloc(length);
if (result == NULL)
{
dbg( DBGL_SYS, DBGT_ERR, "Cannot allocate %u bytes, malloc tag = %d", length, tag );
cleanup_all( -500072 );
}
return result;
}
STATIC_FUNC
void json_inotify_event_hook(int fd)
{
TRACE_FUNCTION_CALL;
dbgf_track(DBGT_INFO, "detected changes in directory: %s", smsTx_dir);
assertion(-501278, (fd > -1 && fd == extensions_fd));
int ilen = 1024;
char *ibuff = debugMalloc(ilen, -300375);
int rcvd;
int processed = 0;
while ((rcvd = read(fd, ibuff, ilen)) == 0 || rcvd == EINVAL) {
ibuff = debugRealloc(ibuff, (ilen = ilen * 2), -300376);
assertion(-501279, (ilen <= (1024 * 16)));
}
if (rcvd > 0) {
while (processed < rcvd) {
struct inotify_event *ievent = (struct inotify_event *) &ibuff[processed];
processed += (sizeof (struct inotify_event) +ievent->len);
if (ievent->mask & (IN_DELETE_SELF)) {
dbgf_sys(DBGT_ERR, "directory %s has been removed \n", smsTx_dir);
cleanup_all(-501290);
}
}
} else {
dbgf_sys(DBGT_ERR, "read()=%d: %s \n", rcvd, strerror(errno));
}
debugFree(ibuff, -300377);
check_for_changed_sms(NULL);
}
void *_debugMalloc(uint32_t length, int32_t tag) {
unsigned char *memory;
struct chunkHeader *chunkHeader;
struct chunkTrailer *chunkTrailer;
unsigned char *chunk;
memory = malloc(length + sizeof(struct chunkHeader) + sizeof(struct chunkTrailer));
if (memory == NULL)
{
dbg( DBGL_SYS, DBGT_ERR, "Cannot allocate %u bytes, malloc tag = %d",
(unsigned int)(length + sizeof(struct chunkHeader) + sizeof(struct chunkTrailer)), tag );
cleanup_all( -500076 );
}
chunkHeader = (struct chunkHeader *)memory;
chunk = memory + sizeof(struct chunkHeader);
chunkTrailer = (struct chunkTrailer *)(memory + sizeof(struct chunkHeader) + length);
chunkHeader->length = length;
chunkHeader->tag = tag;
chunkHeader->magicNumber = MAGIC_NUMBER;
chunkTrailer->magicNumber = MAGIC_NUMBER;
chunkHeader->next = chunkList;
chunkList = chunkHeader;
#ifdef MEMORY_USAGE
addMemory( length, tag );
#endif
return chunk;
}
/* Dissects the bytecode stream and hands back a reader pointing to the
* various parts of it. */
static ReaderState * dissect_bytecode(MVMThreadContext *tc, MVMCompUnit *cu) {
MVMCompUnitBody *cu_body = &cu->body;
ReaderState *rs = NULL;
MVMuint32 version, offset, size;
/* Sanity checks. */
if (cu_body->data_size < HEADER_SIZE)
MVM_exception_throw_adhoc(tc, "Bytecode stream shorter than header");
if (memcmp(cu_body->data_start, "MOARVM\r\n", 8) != 0)
MVM_exception_throw_adhoc(tc, "Bytecode stream corrupt (missing magic string)");
version = read_int32(cu_body->data_start, 8);
if (version < MIN_BYTECODE_VERSION)
MVM_exception_throw_adhoc(tc, "Bytecode stream version too low");
if (version > MAX_BYTECODE_VERSION)
MVM_exception_throw_adhoc(tc, "Bytecode stream version too high");
/* Allocate reader state. */
rs = MVM_malloc(sizeof(ReaderState));
memset(rs, 0, sizeof(ReaderState));
rs->version = version;
rs->read_limit = cu_body->data_start + cu_body->data_size;
cu->body.bytecode_version = version;
/* Locate SC dependencies segment. */
offset = read_int32(cu_body->data_start, SCDEP_HEADER_OFFSET);
if (offset > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Serialization contexts segment starts after end of stream");
}
rs->sc_seg = cu_body->data_start + offset;
rs->expected_scs = read_int32(cu_body->data_start, SCDEP_HEADER_OFFSET + 4);
/* Locate extension ops segment. */
offset = read_int32(cu_body->data_start, EXTOP_HEADER_OFFSET);
if (offset > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Extension ops segment starts after end of stream");
}
rs->extop_seg = cu_body->data_start + offset;
rs->expected_extops = read_int32(cu_body->data_start, EXTOP_HEADER_OFFSET + 4);
/* Locate frames segment. */
offset = read_int32(cu_body->data_start, FRAME_HEADER_OFFSET);
if (offset > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Frames segment starts after end of stream");
}
rs->frame_seg = cu_body->data_start + offset;
rs->expected_frames = read_int32(cu_body->data_start, FRAME_HEADER_OFFSET + 4);
/* Locate callsites segment. */
offset = read_int32(cu_body->data_start, CALLSITE_HEADER_OFFSET);
if (offset > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Callsites segment starts after end of stream");
}
rs->callsite_seg = cu_body->data_start + offset;
rs->expected_callsites = read_int32(cu_body->data_start, CALLSITE_HEADER_OFFSET + 4);
/* Locate strings segment. */
offset = read_int32(cu_body->data_start, STRING_HEADER_OFFSET);
if (offset > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Strings segment starts after end of stream");
}
rs->string_seg = cu_body->data_start + offset;
rs->expected_strings = read_int32(cu_body->data_start, STRING_HEADER_OFFSET + 4);
/* Get SC data, if any. */
offset = read_int32(cu_body->data_start, SCDATA_HEADER_OFFSET);
size = read_int32(cu_body->data_start, SCDATA_HEADER_OFFSET + 4);
if (offset > cu_body->data_size || offset + size > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Serialized data segment overflows end of stream");
}
if (offset) {
cu_body->serialized = cu_body->data_start + offset;
cu_body->serialized_size = size;
}
/* Locate bytecode segment. */
offset = read_int32(cu_body->data_start, BYTECODE_HEADER_OFFSET);
size = read_int32(cu_body->data_start, BYTECODE_HEADER_OFFSET + 4);
if (offset > cu_body->data_size || offset + size > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Bytecode segment overflows end of stream");
}
rs->bytecode_seg = cu_body->data_start + offset;
rs->bytecode_size = size;
/* Locate annotations segment. */
offset = read_int32(cu_body->data_start, ANNOTATION_HEADER_OFFSET);
size = read_int32(cu_body->data_start, ANNOTATION_HEADER_OFFSET + 4);
if (offset > cu_body->data_size || offset + size > cu_body->data_size) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Annotation segment overflows end of stream");
}
rs->annotation_seg = cu_body->data_start + offset;
rs->annotation_size = size;
/* Locate HLL name */
rs->hll_str_idx = read_int32(cu_body->data_start, HLL_NAME_HEADER_OFFSET);
/* Locate special frame indexes. Note, they are 0 for none, and the
* index + 1 if there is one. */
rs->main_frame = read_int32(cu_body->data_start, SPECIAL_FRAME_HEADER_OFFSET);
rs->load_frame = read_int32(cu_body->data_start, SPECIAL_FRAME_HEADER_OFFSET + 4);
rs->deserialize_frame = read_int32(cu_body->data_start, SPECIAL_FRAME_HEADER_OFFSET + 8);
if (rs->main_frame > rs->expected_frames
|| rs->load_frame > rs->expected_frames
|| rs->deserialize_frame > rs->expected_frames) {
MVM_exception_throw_adhoc(tc, "Special frame index out of bounds");
}
return rs;
}
/* Ensures we can read a certain amount of bytes without overrunning the end
* of the stream. */
MVM_STATIC_INLINE void ensure_can_read(MVMThreadContext *tc, MVMCompUnit *cu, ReaderState *rs, MVMuint8 *pos, MVMuint32 size) {
if (pos + size > rs->read_limit) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Read past end of bytecode stream");
}
}
static void throw_past_end(MVMThreadContext *tc, MVMuint8 *labels) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: truncated stream");
}
/* Validate that a static frame's bytecode is executable by the interpreter */
void MVM_validate_static_frame(MVMThreadContext *tc, MVMStaticFrame *static_frame) {
MVMCompUnit *cu = static_frame->cu;
MVMuint32 bytecode_size = static_frame->bytecode_size;
MVMuint8 *bytecode_start = static_frame->bytecode;
MVMuint8 *bytecode_end = bytecode_start + bytecode_size;
/* current position in the bytestream */
MVMuint8 *cur_op = bytecode_start;
/* positions in the bytestream that are starts of ops and goto targets */
MVMuint8 *labels = malloc(bytecode_size);
MVMuint32 num_locals = static_frame->num_locals;
MVMuint32 branch_target;
MVMuint8 bank_num;
MVMuint8 op_num;
MVMOpInfo *op_info;
MVMuint32 operand_size;
MVMuint16 operand_target;
MVMuint32 instruction = 0;
MVMuint32 i;
unsigned char op_rw;
unsigned char op_type;
unsigned char op_flags;
MVMuint32 operand_type_var;
MVMint64 num_jumplist_labels = 0;
memset(labels, 0, bytecode_size);
/* printf("bytecode_size %d cur_op %d bytecode_end %d difference %d", bytecode_size, (int)cur_op, (int)bytecode_end, (int)(bytecode_end - cur_op)); */
while (cur_op < bytecode_end - 1) {
labels[cur_op - bytecode_start] |= MVM_val_op_boundary;
bank_num = *(cur_op++);
op_num = *(cur_op++);
operand_type_var = 0;
op_info = MVM_op_get_op((unsigned char)bank_num, (unsigned char)op_num);
if (!op_info) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: non-existent operation bank %u op %u",
bank_num, op_num);
}
if (num_jumplist_labels != 0 && num_jumplist_labels-- != 0
&& (bank_num != MVM_OP_BANK_primitives || op_num != MVM_OP_goto)) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"jumplist op must be followed by an additional %d goto ops", num_jumplist_labels + 1);
}
/*printf("validating op %s, (%d) bank %d", op_info->name, op_num, bank_num);*/
for (i = 0; i < op_info->num_operands; i++) {
op_flags = op_info->operands[i];
op_rw = op_flags & MVM_operand_rw_mask;
op_type = op_flags & MVM_operand_type_mask;
if (op_rw == MVM_operand_literal) {
switch (op_type) {
case MVM_operand_int8: operand_size = 1; break;
case MVM_operand_int16: operand_size = 2; break;
case MVM_operand_int32: operand_size = 4; break;
case MVM_operand_int64:
operand_size = 8;
if (bank_num == MVM_OP_BANK_primitives && op_num == MVM_OP_jumplist) {
if (cur_op + operand_size > bytecode_end)
throw_past_end(tc, labels);
num_jumplist_labels = GET_I64(cur_op, 0);
if (num_jumplist_labels < 0 || num_jumplist_labels > 4294967295u) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"num_jumplist_labels %d out of range", num_jumplist_labels);
}
}
break;
case MVM_operand_num32: operand_size = 4; break;
case MVM_operand_num64: operand_size = 8; break;
case MVM_operand_callsite:
operand_size = 2;
if (cur_op + operand_size > bytecode_end)
throw_past_end(tc, labels);
operand_target = GET_UI16(cur_op, 0);
if (operand_target >= cu->num_callsites) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: callsites index (%u) out of range; frame has %u callsites",
operand_target, cu->num_callsites);
}
break;
case MVM_operand_coderef:
operand_size = 2;
if (cur_op + operand_size > bytecode_end)
throw_past_end(tc, labels);
operand_target = GET_UI16(cur_op, 0);
if (operand_target >= cu->num_frames) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: coderef index (%u) out of range; frame has %u coderefs",
operand_target, cu->num_frames);
}
break; /* reset to 0 */
case MVM_operand_str:
operand_size = 2;
if (cur_op + operand_size > bytecode_end)
throw_past_end(tc, labels);
operand_target = GET_UI16(cur_op, 0);
if (operand_target >= cu->num_strings) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: strings index (%u) out of range (0-%u)",
operand_target, cu->num_strings - 1);
}
break;
case MVM_operand_ins:
operand_size = 4;
if (cur_op + operand_size > bytecode_end)
throw_past_end(tc, labels);
branch_target = GET_UI32(cur_op, 0);
if (branch_target >= bytecode_size) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: branch instruction offset (%u) out of range; frame has %u bytes",
branch_target, bytecode_size);
}
labels[branch_target] |= MVM_val_branch_target;
break;
case MVM_operand_obj:
case MVM_operand_type_var:
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: that operand type (%u) can't be a literal",
(MVMuint8)op_type);
break;
default: {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: non-existent operand type (%u)",
(MVMuint8)op_type);
}
}
if (cur_op + operand_size > bytecode_end)
throw_past_end(tc, labels);
}
else if (op_rw == MVM_operand_read_reg || op_rw == MVM_operand_write_reg) {
/* register operand */
operand_size = 2;
if (cur_op + operand_size > bytecode_end)
throw_past_end(tc, labels);
if (GET_REG(cur_op, 0) >= num_locals) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: operand register index (%u) out of range; frame has %u locals; at byte %u",
GET_REG(cur_op, 0), num_locals, cur_op - bytecode_start);
}
if (op_type == MVM_operand_type_var) {
if (operand_type_var) {
/* XXX assume only one type variable */
if ((static_frame->local_types[GET_REG(cur_op, 0)] << 3) != operand_type_var) {
cleanup_all(tc, labels);
MVM_exception_throw_adhoc(tc,
"Bytecode validation error: inconsistent operand types %d and %d to op '%s' with a type variable, at instruction %d",
static_frame->local_types[GET_REG(cur_op, 0)], operand_type_var >> 3, op_info->name, instruction);
}
}
else {
operand_type_var = (static_frame->local_types[GET_REG(cur_op, 0)] << 3);
}
}
else if ((static_frame->local_types[GET_REG(cur_op, 0)] << 3) != op_type) {
void main(int argc, char **argv)
{
Errcode err;
UBYTE oldconfig;
static Argparse_list apl[] = {
ARGP(apl,0,"-flic",get_flic_arg),
ARGP(apl,APLAST,"-poc",get_poco_arg),
};
if((err = init_pj_startup(apl,get_rest_of_command_line,argc,argv,
"pj_help","aa.mu")) < Success)
{
goto error;
}
oldconfig = err;
add_local_pdr(&fli_local_pdr);
add_local_pdr(&pic_local_pdr);
set_hotkey_func(do_pj_hotkey); /* set input hot key function */
/* initialize pj resource files */
if((err = init_pj_resources()) < Success)
goto error;
if((err = init_ptools()) < Success) /* initialize tools */
goto error;
if((err = init_inks()) < Success) /* load any loadable inks */
goto error;
if(cl_poco_name != NULL)
{
if ((err = compile_cl_poco(cl_poco_name)) < Success)
{
if (err == Err_in_err_file)
po_file_to_stdout(poco_err_name);
err = Err_reported;
goto error;
}
}
vs = default_vs; /* copy in default settings */
if((err = open_pj_startup_screen(init_after_screen)) < Success)
goto error;
#ifdef WIDGET
widge_ask = TRUE;
#endif /* WIDGET */
if(!oldconfig)
soft_continu_box("newconfig");
if (cl_flic_name != NULL)
pj_delete(tflxname); /* Delete old tempflx */
if((err = force_temp_files()) < Success)
goto error;
if (cl_flic_name != NULL)
resize_load_fli(cl_flic_name);
err = go_vpaint();
for(;;)
{
switch(err)
{
case RESET_SCREEN_SIZE:
err = resize_screen();
break;
case RESET_NEW_SIZE:
case KILL_NEW_SIZE:
scrub_cur_frame(); /* clean up act in case user aborts */
flush_tflx();
err = resize_pencel(FALSE,err == RESET_NEW_SIZE);
break;
case RESET_DEFAULT_FLX:
push_close_toscreen();
if((err = clear_vtemps(TRUE)) < 0)
goto error;
if((err = open_default_flx()) < 0)
goto error;
case RESTART_VPAINT:
err = go_vpaint();
break;
case EXIT_SYSTEM:
outofhere(TRUE); /* we've exited, don't need to break... */
case QUIT_SYSTEM:
outofhere(FALSE);
default: /* not a good return */
goto error;
}
}
error:
cleanup_all(err);
exit(err);
}
DLL_EXPORT void cleanup() {
cleanup_all();
}
static void cleanup_sig(int sig)
{
cleanup_all();
exit(sig);
}
void _debugFree(void *memoryParameter, int tag)
{
unsigned char *memory;
struct chunkHeader *chunkHeader;
struct chunkTrailer *chunkTrailer;
struct chunkHeader *walker;
struct chunkHeader *previous;
memory = memoryParameter;
chunkHeader = (struct chunkHeader *)(memory - sizeof(struct chunkHeader));
if (chunkHeader->magicNumber != MAGIC_NUMBER)
{
dbgf( DBGL_SYS, DBGT_ERR,
"invalid magic number in header: %08x, malloc tag = %d, free tag = %d",
chunkHeader->magicNumber, chunkHeader->tag, tag );
cleanup_all( -500080 );
}
previous = NULL;
for (walker = chunkList; walker != NULL; walker = walker->next)
{
if (walker == chunkHeader)
break;
previous = walker;
}
if (walker == NULL)
{
dbg( DBGL_SYS, DBGT_ERR, "Double free detected, malloc tag = %d, free tag = %d",
chunkHeader->tag, tag );
cleanup_all( -500081 );
}
if (previous == NULL)
chunkList = walker->next;
else
previous->next = walker->next;
chunkTrailer = (struct chunkTrailer *)(memory + chunkHeader->length);
if (chunkTrailer->magicNumber != MAGIC_NUMBER)
{
dbgf( DBGL_SYS, DBGT_ERR,
"invalid magic number in trailer: %08x, malloc tag = %d, free tag = %d",
chunkTrailer->magicNumber, chunkHeader->tag, tag );
cleanup_all( -500082 );
}
#ifdef MEMORY_USAGE
removeMemory( chunkHeader->tag, tag );
#endif
free(chunkHeader);
}
/* Loads the extension op records. */
static MVMExtOpRecord * deserialize_extop_records(MVMThreadContext *tc, MVMCompUnit *cu, ReaderState *rs) {
MVMExtOpRecord *extops;
MVMuint32 num = rs->expected_extops;
MVMuint8 *pos;
MVMuint32 i;
if (num == 0)
return NULL;
extops = MVM_calloc(num, sizeof *extops);
pos = rs->extop_seg;
for (i = 0; i < num; i++) {
MVMuint32 name_idx;
MVMuint16 operand_bytes = 0;
MVMuint8 *operand_descriptor = extops[i].operand_descriptor;
/* Read name string index. */
ensure_can_read(tc, cu, rs, pos, 4);
name_idx = read_int32(pos, 0);
pos += 4;
/* Lookup name string. */
if (name_idx >= cu->body.num_strings) {
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc,
"String heap index beyond end of string heap");
}
extops[i].name = MVM_cu_string(tc, cu, name_idx);
/* Read operand descriptor. */
ensure_can_read(tc, cu, rs, pos, 8);
memcpy(operand_descriptor, pos, 8);
pos += 8;
/* Validate operand descriptor.
* TODO: Unify with validation in MVM_ext_register_extop? */
{
MVMuint8 j = 0;
for(; j < 8; j++) {
MVMuint8 flags = operand_descriptor[j];
if (!flags)
break;
switch (flags & MVM_operand_rw_mask) {
case MVM_operand_literal:
goto check_literal;
case MVM_operand_read_reg:
case MVM_operand_write_reg:
operand_bytes += 2;
goto check_reg;
case MVM_operand_read_lex:
case MVM_operand_write_lex:
operand_bytes += 4;
goto check_reg;
default:
goto fail;
}
check_literal:
switch (flags & MVM_operand_type_mask) {
case MVM_operand_int8:
operand_bytes += 1;
continue;
case MVM_operand_int16:
operand_bytes += 2;
continue;
case MVM_operand_int32:
operand_bytes += 4;
continue;
case MVM_operand_int64:
operand_bytes += 8;
continue;
case MVM_operand_num32:
operand_bytes += 4;
continue;
case MVM_operand_num64:
operand_bytes += 8;
continue;
case MVM_operand_str:
operand_bytes += 2;
continue;
case MVM_operand_coderef:
operand_bytes += 2;
continue;
case MVM_operand_ins:
case MVM_operand_callsite:
default:
goto fail;
}
check_reg:
switch (flags & MVM_operand_type_mask) {
case MVM_operand_int8:
case MVM_operand_int16:
case MVM_operand_int32:
case MVM_operand_int64:
case MVM_operand_num32:
case MVM_operand_num64:
case MVM_operand_str:
case MVM_operand_obj:
case MVM_operand_type_var:
case MVM_operand_uint8:
case MVM_operand_uint16:
case MVM_operand_uint32:
case MVM_operand_uint64:
continue;
default:
goto fail;
}
fail:
cleanup_all(tc, rs);
MVM_exception_throw_adhoc(tc, "Invalid operand descriptor");
}
}
extops[i].operand_bytes = operand_bytes;
}
return extops;
}
static void avl_test()
{
struct avl_node *an = NULL;
AVL_TREE(t, sizeof (int));
int i;
struct p {
int i;
int v;
};
struct p * p;
for (i = 0; i <= 19; i++) {
p = debugMalloc(sizeof ( struct p), 999);
p->i = i;
p->v = 0;
avl_insert(&t, p);
}
for (i = 19; i >= 10; i--) {
p = avl_remove(&t, &i);
printf(" removed %d/%d\n", p->i, p->v );
debugFree( p, 1999 );
}
for (i = 9; i >= 0; i--) {
p = debugMalloc(sizeof ( struct p), 999);
p->i = i;
p->v = 1;
avl_insert(&t, p);
}
for (i = 5; i <= 15; i++) {
p = debugMalloc(sizeof ( struct p), 999);
p->i = i;
p->v = 2;
avl_insert(&t, p);
}
for (i = 3; i <= 9; i++) {
p = debugMalloc(sizeof ( struct p), 999);
p->i = 2;
p->v = i;
avl_insert(&t, p);
}
printf("\navl_iterate():\n");
i=0;
an = NULL;
while( (an = avl_iterate( &t, an ) ) ) {
p = ((struct p*)(an->key));
if ( i > p->i)
printf("\nERROR %d > %d \n", i, p->i);
i = p->i;
printf( "%3d/%1d ", p->i, p->v );
}
printf("\n");
#ifdef AVL_DEBUG
printf("avl_debug():\n");
avl_debug( &t );
#endif
for (i = 9; i >= 3; i--) {
int v = 2;
if ((p = avl_remove(&t, &v)) ) {
printf(" removed %d/%d\n", p->i, p->v);
debugFree(p, 1999);
}
}
for (i = 9; i >= 0; i--) {
if ( (p = avl_remove(&t, &i) ) ) {
printf(" removed %d/%d\n", p->i, p->v);
debugFree(p, 1999);
}
}
for (i = 0; i <= 19; i++) {
if ((p = avl_remove(&t, &i))) {
printf(" removed %d/%d\n", p->i, p->v);
debugFree(p, 1999);
} else {
printf(" failed rm %d\n", i);
}
}
/* for (i = 20; i >= 0; i--) {
p = debugMalloc(sizeof ( struct p), 999);
p->i = i;
p->v = 5;
avl_insert(&t, p);
}
*/
i = 0;
printf("\n");
printf("\navl_next():\n");
int32_t j = 0;
while( (an = avl_next( &t, &j )) ) {
p = ((struct p*)(an->key));
j = p->i;
if ( i > p->i)
printf("\nERROR %d > %d \n", i, p->i);
i = p->i;
printf( "N%4d/%1d ", p->i, p->v );
if ( i%10 == 0 )
printf("\n");
}
printf("\navl_iterate():\n");
i=0;
while( (an = avl_iterate( &t, an ) ) ) {
p = ((struct p*)(an->key));
if ( i > p->i)
printf("\nERROR %d > %d \n", i, p->i);
i = p->i;
printf( "%3d/%1d ", p->i, p->v );
}
printf("\n");
#ifdef AVL_DEBUG
printf("avl_debug():\n");
avl_debug( &t );
#endif
while( t.root ) {
p = (struct p*)t.root->key;
p = avl_remove( &t, p );
printf(" removed %d/%d\n", p->i, p->v );
debugFree( p, 1999 );
}
printf("\n");
cleanup_all(CLEANUP_SUCCESS);
}
