/* create a .o file that references all the undefined symbols we want to resolve */
static char *create_undef_symbols_file( DLLSPEC *spec )
{
char *as_file, *obj_file;
int i;
unsigned int j;
FILE *f;
as_file = get_temp_file_name( output_file_name, ".s" );
if (!(f = fopen( as_file, "w" ))) fatal_error( "Cannot create %s\n", as_file );
fprintf( f, "\t.data\n" );
for (i = 0; i < spec->nb_entry_points; i++)
{
ORDDEF *odp = &spec->entry_points[i];
if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue;
if (odp->flags & FLAG_FORWARD) continue;
fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
}
for (j = 0; j < extra_ld_symbols.count; j++)
fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols.names[j]) );
fclose( f );
obj_file = get_temp_file_name( output_file_name, ".o" );
assemble_file( as_file, obj_file );
return obj_file;
}
int main(int argc, char *argv[]) {
Options opts = parse_args(argc, argv);
FILE *in_file;
if (!(in_file = fopen(opts.in_filename, "r"))) {
file_error("could not open file for reading", opts.in_filename);
}
if (opts.out_filename == NULL) { // write to stdout by default
opts.out_filename = make_out_filename(opts.in_filename, "hack");
}
FILE *out_file;
if (!(out_file = fopen(opts.out_filename, "w"))) {
file_error("could not open file for writing", opts.out_filename);
}
assemble_file(in_file, out_file);
return 0;
}
int main(int argc, char **argv) {
check_usage(argc);
const char *inputfn = argv[1];
size_t inputfnlen = strlen(inputfn);
char *outputfn = malloc(inputfnlen + 2 + 1);
if (outputfn == NULL) {
error("Could not allocate space for filename.", NULL);
return 1;
}
strncpy(outputfn, inputfn, inputfnlen);
outputfn[inputfnlen] = '.';
outputfn[inputfnlen + 1] = 'o';
outputfn[inputfnlen + 2] = 0;
FILE *input = open_file(inputfn, "r");
FILE *output = open_file(outputfn, "wb+");
assemble_file(input, output);
fclose(input);
fclose(output);
}
//
// Load an assembler file from the file system, compile it completely
// into a sequential memory block, and run it on the machine in
// a real time loop.
//
int
run_assembler_file(
void* menlo_cnc_registers_base_address,
char *fileName
)
{
int ret;
unsigned long status;
PBLOCK_ARRAY binary = NULL;
ret = assemble_file(fileName, &binary);
if (ret != 0) {
printf("assembler error %d %s, exiting\n", ret, strerror(ret));
return ret;
}
printf("assembled %d opcode blocks\n", block_array_get_array_size(binary));
printf("assembly success, exiting\n");
status = stream_instructions(menlo_cnc_registers_base_address, binary);
ret = 0;
if (menlo_cnc_registers_is_error(status)) {
printf("Error 0x%lx returned from stream_instructions\n", status);
ret = 1;
}
if (menlo_cnc_registers_is_underrun(status)) {
printf("Underrun occurred during stream_instructions status 0x%lx\n", status);
ret = 1;
}
return ret;
}
/*******************************************************************
* main
*/
int main(int argc, char **argv)
{
DLLSPEC *spec = alloc_dll_spec();
#ifdef SIGHUP
signal( SIGHUP, exit_on_signal );
#endif
signal( SIGTERM, exit_on_signal );
signal( SIGINT, exit_on_signal );
output_file = stdout;
argv = parse_options( argc, argv, spec );
switch(exec_mode)
{
case MODE_DLL:
spec->characteristics |= IMAGE_FILE_DLL;
load_resources( argv, spec );
load_import_libs( argv );
if (!spec_file_name) fatal_error( "missing .spec file\n" );
if (!parse_input_file( spec )) break;
switch (spec->type)
{
case SPEC_WIN16:
if (argv[0])
fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
BuildSpec16File( output_file, spec );
break;
case SPEC_WIN32:
read_undef_symbols( spec, argv );
BuildSpec32File( output_file, spec );
break;
default: assert(0);
}
break;
case MODE_EXE:
if (spec->type == SPEC_WIN16) fatal_error( "Cannot build 16-bit exe files\n" );
if (!spec->file_name) fatal_error( "executable must be named via the -F option\n" );
load_resources( argv, spec );
load_import_libs( argv );
if (spec_file_name && !parse_input_file( spec )) break;
read_undef_symbols( spec, argv );
BuildSpec32File( output_file, spec );
break;
case MODE_DEF:
if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
if (spec->type == SPEC_WIN16) fatal_error( "Cannot yet build .def file for 16-bit dlls\n" );
if (!spec_file_name) fatal_error( "missing .spec file\n" );
if (!parse_input_file( spec )) break;
BuildDef32File( output_file, spec );
break;
case MODE_RELAY16:
if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
BuildRelays16( output_file );
break;
case MODE_RELAY32:
if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
BuildRelays32( output_file );
break;
default:
usage(1);
break;
}
if (nb_errors) exit(1);
if (output_file_name)
{
fclose( output_file );
if (output_file_source_name) assemble_file( output_file_source_name, output_file_name );
output_file_name = NULL;
}
return 0;
}
/*******************************************************************
* main
*/
int main(int argc, char **argv)
{
DLLSPEC *spec = alloc_dll_spec();
#ifdef SIGHUP
signal( SIGHUP, exit_on_signal );
#endif
signal( SIGTERM, exit_on_signal );
signal( SIGINT, exit_on_signal );
output_file = stdout;
argv = parse_options( argc, argv, spec );
switch(exec_mode)
{
case MODE_DLL:
if (spec->subsystem != IMAGE_SUBSYSTEM_NATIVE)
spec->characteristics |= IMAGE_FILE_DLL;
/* fall through */
case MODE_EXE:
load_resources( argv, spec );
load_import_libs( argv );
if (spec_file_name && !parse_input_file( spec )) break;
if (fake_module)
{
if (spec->type == SPEC_WIN16) output_fake_module16( spec );
else output_fake_module( spec );
break;
}
read_undef_symbols( spec, argv );
switch (spec->type)
{
case SPEC_WIN16:
output_spec16_file( spec );
break;
case SPEC_WIN32:
BuildSpec32File( spec );
break;
default: assert(0);
}
break;
case MODE_DEF:
if (argv[0]) fatal_error( "file argument '%s' not allowed in this mode\n", argv[0] );
if (!spec_file_name) fatal_error( "missing .spec file\n" );
if (!parse_input_file( spec )) break;
output_def_file( spec, 1 );
break;
case MODE_IMPLIB:
if (!spec_file_name) fatal_error( "missing .spec file\n" );
if (!parse_input_file( spec )) break;
output_import_lib( spec, argv );
break;
case MODE_RESOURCES:
load_resources( argv, spec );
output_res_o_file( spec );
break;
default:
usage(1);
break;
}
if (nb_errors) exit(1);
if (output_file_name)
{
if (fclose( output_file ) < 0) fatal_perror( "fclose" );
if (output_file_source_name) assemble_file( output_file_source_name, output_file_name );
output_file_name = NULL;
}
return 0;
}
int
main(void)
{
// INITIALIZING
struct queue cmd_queue;
q_init (&cmd_queue);
uint8_t *mem = calloc (__MEMORY_SIZE, sizeof(uint8_t));
char *input = malloc (sizeof(char)*__INPUT_SIZE);
char *cmd = malloc (sizeof(char)*__CMD_SIZE);
char *filename = malloc (sizeof(char)*__FILENAME_SIZE);
if (mem == NULL || input == NULL || filename == NULL
|| cmd == NULL)
{
puts("MEMORY INSUFFICIENT");
goto memory_clear;
}
if (!init_oplist (__OPCODE_FILENAME))
{
puts("OPCODE LIST INITIALIZATION FAILED.");
goto memory_clear;
}
// COMMAND PROCESSING
while (true)
{
int i;
struct q_elem *qe;
uint8_t value;
uint32_t start, end;
DIR *dirp = NULL;
struct dirent *dir = NULL;
char check[2];
bool is_valid_cmd = false;
char *tok = NULL;
printf("%s", __SHELL_FORM);
if (!get_chars(input, __INPUT_SIZE))
goto memory_clear;
// Processing input string
snprintf((char *) __CMD_FORMAT, __CMD_FORMAT_SIZE,
"%%%ds", __CMD_SIZE - 1);
if (sscanf(input, (const char *) __CMD_FORMAT, cmd)!=1)
cmd[0] = '\0';
// Switching with commands
switch(get_cmd_index(cmd))
{
case CMD_HELP:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
puts(__HELP_FORM);
is_valid_cmd = true;
break;
case CMD_DIR:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
// open directory and read through all elem.
i = 1;
dirp = opendir(".");
dir = readdir(dirp);
for(; dir!=NULL; dir = readdir(dirp))
{
struct stat st;
if(stat((const char*) dir->d_name, &st)!=0)
{
puts("FILE NOT FOUND");
goto memory_clear;
}
// FIX: ignore . and ..
if(_SAME_STR(dir->d_name, ".")
|| _SAME_STR(dir->d_name, ".."))
continue;
printf("%20s", dir->d_name);
if(S_ISDIR(st.st_mode)) // is Directory?
putchar('/');
else if( (st.st_mode & S_IXUSR) // is exe?
|| (st.st_mode & S_IXGRP)
|| (st.st_mode & S_IXOTH) )
putchar('*');
putchar('\t');
// print newline after 3 elements
if((i++)%3==0)
putchar('\n');
}
if((i-1)%3!=0)
putchar('\n');
is_valid_cmd = true;
break;
case CMD_QUIT:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
is_valid_cmd = true;
goto memory_clear;
case CMD_HISTORY:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
qe = q_begin (&cmd_queue);
i = 1;
// print every formatted history
for (; qe!=q_end(&cmd_queue); qe=q_next(qe))
printf("%-4d %s\n", i++,
q_entry(qe, struct cmd_elem, elem)->cmd);
printf("%-4d %s\n", i, input);
is_valid_cmd = true;
break;
case CMD_DUMP:
switch(sscanf(input, "%s %x , %x", cmd, &start, &end))
{
case 1:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
start = get_location (0, false);
end = start + 0x10 * 10 - 1;
// if end is too large, point to end and go 0
if ( end >= __MEMORY_SIZE )
end = __MEMORY_SIZE - 1;
hexdump (mem, start, end);
if ( end == __MEMORY_SIZE - 1)
get_location (0, true);
else
get_location (end + 1, true);
is_valid_cmd = true;
break;
case 2:
if(sscanf(input, "%*s %*x %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
if (start >= __MEMORY_SIZE)
{
puts("OUT OF MEMORY BOUNDS.");
break;
}
end = start + 0x10 * 10 - 1;
// if end is too large, point to end and go 0
if ( end >= __MEMORY_SIZE )
end = __MEMORY_SIZE - 1;
hexdump (mem, start, end);
if ( end == __MEMORY_SIZE - 1)
get_location (0, true);
else
get_location (end + 1, true);
is_valid_cmd = true;
break;
case 3:
if(sscanf(input, "%*s %*x , %*x %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
if (!(start<=end && end<__MEMORY_SIZE))
{
puts("OUT OF MEMORY BOUNDS.");
break;
}
hexdump (mem, start, end);
// if end is too large, point to end and go 0
if ( end == __MEMORY_SIZE - 1)
get_location (0, true);
else
get_location (end + 1, true);
is_valid_cmd = true;
break;
default:
puts("WRONG INSTRUCTION");
break;
}
break;
case CMD_EDIT:
switch(sscanf(input, "%s %x , %hhx",
cmd, &start, &value))
{
case 3:
if(sscanf(input, "%*s %*x , %*x %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
hexfill (mem, __MEMORY_SIZE, start, start, value);
is_valid_cmd = true;
break;
default:
puts("WRONG INSTRUCTION");
break;
}
break;
case CMD_FILL:
switch(sscanf(input, "%s %x , %x , %hhx",
cmd, &start, &end, &value))
{
case 4:
if(sscanf(input,
"%*s %*x , %*x , %*x %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
hexfill (mem, __MEMORY_SIZE, start, end, value);
is_valid_cmd = true;
break;
default:
puts("WRONG INSTRUCTION");
break;
}
break;
case CMD_RESET:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
// equivalent to fill 0, __MEMORY_SIZE-1
hexfill (mem, __MEMORY_SIZE, 0, __MEMORY_SIZE - 1, 0);
is_valid_cmd = true;
break;
case CMD_OPCODE:
switch(sscanf(input, "%*s %s", cmd))
{
case 1:
if(sscanf(input, "%*s %*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
i = find_oplist (cmd);
if (i != -1)
printf("opcode is %02X\n", i);
else
{
printf("%s: NO SUCH OPCODE\n", cmd);
is_valid_cmd = false;
}
break;
default:
puts("WRONG INSTRUCTION");
break;
}
break;
case CMD_OPCODELIST:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
print_oplist ();
is_valid_cmd = true;
break;
case CMD_ASSEMBLE:
// Processing input string
snprintf((char *) __CMD_FORMAT,
__CMD_FORMAT_SIZE,
"%%%ds %%%ds %%1s",
__CMD_SIZE - 1,
__FILENAME_SIZE - 1);
if (sscanf(input,
(const char *) __CMD_FORMAT,
cmd, filename, check)!=2)
{
puts("WRONG INSTRUCTION");
break;
}
if (!is_file((const char*)filename))
{
puts("FILE NOT FOUND");
break;
}
is_valid_cmd = assemble_file (filename);
break;
case CMD_TYPE:
// Processing input string
snprintf((char *) __CMD_FORMAT,
__CMD_FORMAT_SIZE,
"%%%ds %%%ds %%1s",
__CMD_SIZE - 1,
__FILENAME_SIZE - 1);
if (sscanf(input,
(const char *) __CMD_FORMAT,
cmd, filename, check)!=2)
{
puts("WRONG INSTRUCTION");
break;
}
if (!is_file((const char*)filename))
{
puts("FILE NOT FOUND");
break;
}
else
{
print_file((const char*)filename);
is_valid_cmd = true;
}
break;
case CMD_SYMBOL:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
print_symbol_table ();
is_valid_cmd = true;
break;
case CMD_PROGADDR:
if(sscanf(input, "%*s %*x %1s", check) == 1
|| sscanf(input, "%*s %x", &i) != 1)
{
puts("WRONG INSTRUCTION");
break;
}
if (i < 0 || i >= __MEMORY_SIZE - 1)
{
puts("INVALID PROGRAM ADDRESS");
break;
}
set_progaddr ((uint32_t) i);
is_valid_cmd = true;
break;
case CMD_LOADER:
init_loader ();
tok = strtok (input, " ");
while ( (tok = strtok (NULL, " ")) != NULL)
{
if (!is_file (tok))
{
printf ("[%s]: INVALID FILE\n", tok);
free_loader ();
break;
}
if (!add_obj_loader (tok))
{
printf ("[%s]: LOADER FAILED\n", tok);
free_loader ();
break;
}
}
// if normally added
if (tok == NULL)
{
// address __MEMORY_SIZE is reserved for boot
if (get_proglen()+get_progaddr()>=__MEMORY_SIZE-1)
{
puts ("PROGRAM IS TOO BIG: LOADER FAILED");
free_loader ();
break;
}
if (!run_loader (mem))
{
puts ("LOADER FAILED");
free_loader ();
break;
}
print_load_map ();
}
free_loader ();
is_valid_cmd = true;
break;
case CMD_RUN:
if(sscanf(input, "%*s %1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
if (!init_run ())
{
puts ("RUN FAILED");
free_run ();
break;
}
run (mem);
free_run ();
is_valid_cmd = true;
break;
case CMD_BP:
if(sscanf(input, "%*s %1s", check) != 1)
{
print_bp ();
is_valid_cmd = true;
break;
}
if(sscanf(input, "%*s %6s %1s", cmd, check) == 2
|| sscanf(input, "%*s %6s", cmd) != 1)
{
puts("WRONG INSTRUCTION");
break;
}
if (_SAME_STR(cmd, "clear"))
{
puts ("\t[ok] clear all breakpoints");
free_bp ();
is_valid_cmd = true;
break;
}
if(sscanf(input, "%*s %*x %1s", check) == 1
|| sscanf(input, "%*s %x", &start) != 1)
{
puts("WRONG INSTRUCTION");
break;
}
if (start >= __MEMORY_SIZE - 1)
{
puts ("INVALID BREAKPOINT ADDRESS");
break;
}
if (add_bp (start))
printf ("\t[ok] create breakpoint %x\n", start);
is_valid_cmd = true;
break;
default:
if(sscanf(input, "%1s", check) == 1)
{
puts("WRONG INSTRUCTION");
break;
}
}
if (is_valid_cmd)
{
// Saving commands
struct cmd_elem *e = malloc(sizeof(struct cmd_elem));
if (e == NULL)
{
puts("MEMORY INSUFFICIENT.");
goto memory_clear;
}
e->cmd = malloc(sizeof(char)*(strlen(input)+1));
if (e->cmd == NULL)
{
puts("MEMORY INSUFFICIENT.");
goto memory_clear;
}
strcpy(e->cmd, input);
q_insert (&cmd_queue, &(e->elem));
}
}
memory_clear:
if (mem != NULL)
free (mem);
if (input != NULL)
free (input);
if (cmd != NULL)
free (cmd);
while (!q_empty(&cmd_queue))
{
struct q_elem *e = q_delete(&cmd_queue);
struct cmd_elem *ce = q_entry(e, struct cmd_elem, elem);
if (ce->cmd != NULL)
free(ce->cmd);
free(ce);
}
free_oplist ();
free_loader ();
free_bp ();
free_run ();
return 0;
}
