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#!/usr/bin/env python3
# operand values and return addresses survive explicit and automatic growth.
import subprocess
import sys
import tempfile
from pathlib import Path
sys.dont_write_bytecode = True # importing imagekit must not leave __pycache__ in the tree
from imagekit import compiler
command = sys.argv[1:]
def run(source, expected, compile_image=False):
if compile_image and command[0] == 'node':
# compile the execution stress cases once with stage 0, so a javascript
# compiler's speed does not determine the execution-test timeout.
Path('build').mkdir(exist_ok=True)
with tempfile.TemporaryDirectory(prefix='stack-image-', dir='build') as directory:
target = Path(directory)
subprocess.run(['build/bin/genmap', '--preset', 'run', '--grow', '--heap', '1048576', '--genome', '131072', '--frame', '4096', '--return', '256', '--data', '3072', '-o', directory], check=True, capture_output=True)
zc0 = target / 'zc0'
subprocess.run([compiler(), '-O1', '-w', '-fwrapv', 'src/tools/zc0.c', '-I' + directory, '-Isrc/core', '-o', str(zc0)], check=True, capture_output=True)
full_source = (target / 'rt.zc').read_text() + Path('src/core/core.zc').read_text() + Path('src/runtime/run.zc').read_text() + source
image = subprocess.run([str(zc0)], input=full_source.encode(), capture_output=True, check=True)
(target / 'genome.bin').write_bytes(image.stdout)
result = subprocess.run(['node', 'tests/drivers/image_run.js', str(target / 'genome.bin'), str(target / 'memmap.h')], text=True, capture_output=True, timeout=45)
else:
result = subprocess.run(command, input=source, text=True, capture_output=True, timeout=45)
assert result.returncode == 0 and result.stdout == expected, (command, result.returncode, result.stdout, result.stderr)
run('''namespace;
include rt;
fn main() {
int old_data = rt.data_top - rt.data_low, old_return = rt.return_top - rt.return_low;
rt.put_n(rt.reserve_data(old_data + 1) > old_data); rt.put_c(32);
rt.put_n(rt.reserve_returns(old_return + 1) > old_return); rt.put_c(32);
rt.gc(); rt.put_n(rt.data_node != 0 && rt.return_node != 0); rt.put_c(10); return 0;
}
''', '1 1 1\n')
run('''namespace;
include rt;
fn main() {
rt.put_n(rt.reserve_data(-1) == -1); rt.put_c(32); rt.put_n(rt.reserve_returns(-1) == -1); rt.put_c(32);
rt.put_n(rt.syscall(9, 6, 0, 0) == -1); rt.put_c(32);
int current = rt.syscall(9, 0, 0, 0); rt.syscall(9, 5, current, 0);
rt.put_n(rt.reserve_data(0x10000000) == -1); rt.put_c(32); rt.gc(); rt.put_n(7); rt.put_c(10); return 0;
}
''', '1 1 1 1 7\n')
count = 40000
source = 'namespace; include rt; fn main() { int total = asm { ' + ' '.join(str(i + 1) for i in range(count))
source += ' + ' * (count - 1) + ' }; rt.gc(); rt.put_n(total); rt.put_c(32); '
source += 'rt.put_n(rt.data_node != 0); rt.put_c(10); return 0; }\n'
run(source, '800020000 1\n', compile_image=True)
run('''namespace;
include rt;
unchecked int descend(int n) {
if (!n) { rt.gc(); return 7; }
return descend(n - 1) + 1;
}
fn main() { rt.put_n(descend(70000)); rt.put_c(32); rt.put_n(rt.return_node != 0); rt.put_c(10); return 0; }
''', '70007 1\n', compile_image=True)
print('ok explicit reservation, 40000 operands, and 70000 return addresses: ' + command[0])
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