void extrema_locator::locate(void)
{
find_extrema();
find_objects();
merge_objects();
ex_points_from_objects();
}
int main(int argc, char **argv) {
init_scas_runtime();
parse_arguments(argc, argv);
init_log(scas_runtime.verbosity);
validate_scas_runtime();
instruction_set_t *instruction_set = find_inst();
scas_log(L_INFO, "Loaded instruction set: %s", instruction_set->arch);
list_t *include_path = split_include_path();
list_t *errors = create_list();
list_t *warnings = create_list();
list_t *objects = create_list();
int i;
for (i = 0; i < scas_runtime.input_files->length; ++i) {
scas_log(L_INFO, "Assembling input file: '%s'", scas_runtime.input_files->items[i]);
indent_log();
FILE *f;
if (strcasecmp(scas_runtime.input_files->items[i], "-") == 0) {
f = stdin;
} else {
f = fopen(scas_runtime.input_files->items[i], "r");
}
if (!f) {
scas_abort("Unable to open '%s' for assembly.", scas_runtime.input_files->items[i]);
}
char magic[7];
bool is_object = false;
if (fread(magic, sizeof(char), 7, f) == 7) {
if (strncmp("SCASOBJ", magic, 7) == 0) {
is_object = true;
}
}
fseek(f, 0L, SEEK_SET);
object_t *o;
if (is_object) {
scas_log(L_INFO, "Loading object file '%s'", scas_runtime.input_files->items[i]);
o = freadobj(f, scas_runtime.input_files->items[i]);
} else {
assembler_settings_t settings = {
.include_path = include_path,
.set = instruction_set,
.errors = errors,
.warnings = warnings,
.macros = scas_runtime.macros,
};
o = assemble(f, scas_runtime.input_files->items[i], &settings);
fclose(f);
scas_log(L_INFO, "Assembler returned %d errors, %d warnings for '%s'",
errors->length, warnings->length, scas_runtime.input_files->items[i]);
}
list_add(objects, o);
deindent_log();
}
scas_log(L_DEBUG, "Opening output file for writing: %s", scas_runtime.output_file);
FILE *out;
if (strcasecmp(scas_runtime.output_file, "-") == 0) {
out = stdout;
} else {
out = fopen(scas_runtime.output_file, "w+");
}
if (!out) {
scas_abort("Unable to open '%s' for output.", scas_runtime.output_file);
}
if ((scas_runtime.jobs & LINK) == LINK) {
scas_log(L_INFO, "Passing objects to linker");
linker_settings_t settings = {
.automatic_relocation = scas_runtime.options.auto_relocation,
.merge_only = (scas_runtime.jobs & MERGE) == MERGE,
.errors = errors,
.warnings = warnings,
.write_output = scas_runtime.options.output_format
};
if (settings.merge_only) {
object_t *merged = merge_objects(objects);
fwriteobj(out, merged);
} else {
link_objects(out, objects, &settings);
}
scas_log(L_INFO, "Linker returned %d errors, %d warnings", errors->length, warnings->length);
} else {
scas_log(L_INFO, "Skipping linking - writing to object file");
object_t *merged = merge_objects(objects);
fwriteobj(out, merged);
fflush(out);
fclose(out);
}
if (errors->length != 0) {
int i;
for (i = 0; i < errors->length; ++i) {
error_t *error = errors->items[i];
fprintf(stderr, "%s:%d:%d: error #%d: %s\n", error->file_name,
(int)error->line_number, (int)error->column, error->code,
error->message);
fprintf(stderr, "%s\n", error->line);
if (error->column != 0) {
int j;
for (j = error->column; j > 0; --j) {
fprintf(stderr, ".");
}
fprintf(stderr, "^\n");
} else {
fprintf(stderr, "\n");
}
}
remove(scas_runtime.output_file);
}
if (warnings->length != 0) {
int i;
for (i = 0; i < errors->length; ++i) {
warning_t *warning = warnings->items[i];
fprintf(stderr, "%s:%d:%d: warning #%d: %s\n", warning->file_name,
(int)warning->line_number, (int)warning->column, warning->code,
get_warning_string(warning));
fprintf(stderr, "%s\n", warning->line);
if (warning->column != 0) {
int j;
for (j = warning->column; j > 0; --j) {
fprintf(stderr, ".");
}
fprintf(stderr, "^\n");
}
}
}
int ret = errors->length;
scas_log(L_DEBUG, "Exiting with status code %d, cleaning up", ret);
list_free(scas_runtime.input_files);
free_flat_list(include_path);
list_free(objects);
list_free(errors);
list_free(warnings);
instruction_set_free(instruction_set);
return ret;
}