> compile NEMU

ysyx_22040000 李心杨
Linux calcite 6.1.69 #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 20 16:00:29 UTC 2023 x86_64 GNU/Linux
 02:55:41  up 1 day  3:11,  2 users,  load average: 0.95, 0.77, 0.65
This commit is contained in:
tracer-ysyx 2024-01-13 02:55:41 +08:00 committed by xinyangli
parent 70ec0a166a
commit b97e2bf469
4 changed files with 60 additions and 43 deletions

View file

@ -63,6 +63,7 @@ endif
.PHONY: test
include $(NEMU_HOME)/tests/Makefile
all-tests: TEST_OBJS = $(filter-out $(OBJ_DIR)/src/nemu-main.o, $(OBJS))
all-tests: CFLAGS += $(shell pkg-config --cflags check)
all-tests: LDFLAGS += $(shell pkg-config --libs check)
all-tests: $(TEST_SRCS:%.c=$(OBJ_DIR)/%)

View file

@ -21,13 +21,13 @@ input
;
expression
: expression '+' expression { $$ = $1 + $3; }
: number { $$ = $1; }
| expression '+' expression { $$ = $1 + $3; }
| expression '-' expression { $$ = $1 - $3; }
| expression '*' expression { $$ = $1 * $3; }
| expression '/' expression { $$ = $1 / $3; }
| '-' number { $$ = -$2; }
| '(' expression ')' { $$ = $2; }
| number { $$ = $1; }
number
: NUMBER

View file

@ -1,5 +1,7 @@
TEST_SRCS += tests/expr_test.c
$(OBJ_DIR)/%: %.c $(OBJS)
$(OBJ_DIR)/%: %.c $(TEST_OBJS) app
@echo + CC $<
@$(CC) $(CFLAGS) -Wl,-e,test_main -o $@ $^ $(LIBS) $(LDFLAGS) $(CFLGAS)
@$(CC) $(CFLAGS) -o $@.o -c $<
@echo + LD $@
@$(LD) $(LIBS) $(LDFLAGS) -o $@ $(TEST_OBJS) $@.o

View file

@ -1,4 +1,5 @@
#include "sys/types.h"
#include "unistd.h"
#include <check.h>
#include <stdint.h>
#include <stdlib.h>
@ -8,30 +9,37 @@
#include <assert.h>
#include <time.h>
char buf[65536] = "python3 -c print(";
char *buf_ptr = buf + 17;
char buf[65536] = {};
static char code_buf[65536 + 128] = {}; // a little larger than `buf`
const int buf_start_pos = 0;
char *buf_ptr = buf + buf_start_pos;
static char *code_format =
"#include <stdio.h>\n"
"#include <stdint.h>\n"
"int main() { "
" uint32_t result = %s; "
" printf(\"%%u\", result); "
" return 0; "
"}";
void gen(char c) {
*(buf_ptr++) = c;
}
void gen_num(void) {
int len = rand() % 8 + 1;
int base = 10;
uint32_t num = rand() % 100000;
int len = 0;
switch(rand() % 2) {
case 0: base = 10; break;
case 1: base = 16; break;
case 0:
len = snprintf(buf_ptr, 100, "%u", num);
break;
case 1:
len = snprintf(buf_ptr, 100, "0x%x", num);
break;
default: assert(0);
}
const char *strmap = "0123456789abcdef";
// TODO: add minus
if (base == 16) {
gen('0');
gen('x');
}
while(len--) {
gen(strmap[rand() % base]);
}
buf_ptr += len;
}
void gen_rand_op(void) {
@ -50,32 +58,40 @@ void gen_rand_expr(void) {
case 1: gen('('); gen_rand_expr(); gen(')'); break;
default: gen_rand_expr(); gen_rand_op(); gen_rand_expr(); break;
}
printf("buf: %s\n", buf);
}
START_TEST(test_test1) {
for (int i = 0; i < 10; i++) {
START_TEST(test_expr_random_100) {
srand(time(0) + _i * 100);
gen_rand_expr();
yy_scan_string(buf + 18);
yy_scan_string(buf + buf_start_pos);
uint32_t addr;
ck_assert(!yyparse(&addr));
yylex_destroy();
/* Open the command for reading. */
FILE *fp;
*(buf_ptr++) = ')';
fp = popen(buf, "r");
sprintf(code_buf, code_format, buf);
FILE *fp = fopen("/tmp/.code.c", "w");
ck_assert(fp != NULL);
fputs(code_buf, fp);
fclose(fp);
int ret = system("gcc /tmp/.code.c -o /tmp/.expr 2>/dev/null");
ck_assert_msg(!ret, "system ret: %d, error: %s", ret, strerror(ret));
fp = popen("/tmp/.expr", "r");
ck_assert(fp != NULL);
/* Read the output a line at a time - output it. */
uint32_t reference = 0;
ck_assert(fscanf(fp, "%u", &reference) == 0);
ck_assert(addr == reference);
uint32_t reference;
ret = fscanf(fp, "%u", &reference);
ck_assert(ret == 1);
pclose(fp);
// fprintf(stderr, "\n\tbuf = %s\n\taddr = %u, reference = %u", buf, addr, reference);
while(buf_ptr != buf + 18) {
ck_assert_msg(addr == reference, "\n\tbuf = %s\n\taddr = %u, reference = %u\n", buf, addr, reference);
while(buf_ptr != buf + buf_start_pos) {
*(--buf_ptr) = '\0';
}
}
} END_TEST
START_TEST(test_test2) {
@ -89,18 +105,17 @@ Suite *expr_suite(void) {
s = suite_create("Expr test");
tc_core = tcase_create("Core");
tcase_add_test(tc_core, test_test1);
tcase_add_loop_test(tc_core, test_expr_random_100, 0, 100);
tcase_add_test(tc_core, test_test2);
suite_add_tcase(s, tc_core);
return s;
}
int test_main(void) {
int main(void) {
int number_failed;
Suite *s;
SRunner *sr;
srand(time(0));
s = expr_suite();
sr = srunner_create(s);
@ -111,4 +126,3 @@ int test_main(void) {
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}