> 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
parent
70ec0a166a
commit
b97e2bf469
4 changed files with 60 additions and 43 deletions
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@ -63,6 +63,7 @@ endif
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.PHONY: test
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include $(NEMU_HOME)/tests/Makefile
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all-tests: TEST_OBJS = $(filter-out $(OBJ_DIR)/src/nemu-main.o, $(OBJS))
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all-tests: CFLAGS += $(shell pkg-config --cflags check)
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all-tests: LDFLAGS += $(shell pkg-config --libs check)
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all-tests: $(TEST_SRCS:%.c=$(OBJ_DIR)/%)
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@ -21,13 +21,13 @@ input
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;
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expression
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: expression '+' expression { $$ = $1 + $3; }
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: number { $$ = $1; }
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| expression '+' expression { $$ = $1 + $3; }
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| expression '-' expression { $$ = $1 - $3; }
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| expression '*' expression { $$ = $1 * $3; }
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| expression '/' expression { $$ = $1 / $3; }
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| '-' number { $$ = -$2; }
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| '(' expression ')' { $$ = $2; }
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| number { $$ = $1; }
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number
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: NUMBER
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@ -1,5 +1,7 @@
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TEST_SRCS += tests/expr_test.c
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$(OBJ_DIR)/%: %.c $(OBJS)
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$(OBJ_DIR)/%: %.c $(TEST_OBJS) app
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@echo + CC $<
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@$(CC) $(CFLAGS) -Wl,-e,test_main -o $@ $^ $(LIBS) $(LDFLAGS) $(CFLGAS)
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@$(CC) $(CFLAGS) -o $@.o -c $<
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@echo + LD $@
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@$(LD) $(LIBS) $(LDFLAGS) -o $@ $(TEST_OBJS) $@.o
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@ -1,4 +1,5 @@
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#include "sys/types.h"
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#include "unistd.h"
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#include <check.h>
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#include <stdint.h>
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#include <stdlib.h>
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@ -8,30 +9,37 @@
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#include <assert.h>
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#include <time.h>
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char buf[65536] = "python3 -c print(";
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char *buf_ptr = buf + 17;
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char buf[65536] = {};
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static char code_buf[65536 + 128] = {}; // a little larger than `buf`
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const int buf_start_pos = 0;
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char *buf_ptr = buf + buf_start_pos;
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static char *code_format =
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"#include <stdio.h>\n"
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"#include <stdint.h>\n"
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"int main() { "
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" uint32_t result = %s; "
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" printf(\"%%u\", result); "
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" return 0; "
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"}";
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void gen(char c) {
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*(buf_ptr++) = c;
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}
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void gen_num(void) {
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int len = rand() % 8 + 1;
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int base = 10;
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uint32_t num = rand() % 100000;
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int len = 0;
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switch(rand() % 2) {
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case 0: base = 10; break;
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case 1: base = 16; break;
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case 0:
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len = snprintf(buf_ptr, 100, "%u", num);
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break;
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case 1:
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len = snprintf(buf_ptr, 100, "0x%x", num);
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break;
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default: assert(0);
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}
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const char *strmap = "0123456789abcdef";
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// TODO: add minus
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if (base == 16) {
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gen('0');
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gen('x');
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}
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while(len--) {
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gen(strmap[rand() % base]);
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}
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buf_ptr += len;
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}
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void gen_rand_op(void) {
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@ -50,32 +58,40 @@ void gen_rand_expr(void) {
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case 1: gen('('); gen_rand_expr(); gen(')'); break;
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default: gen_rand_expr(); gen_rand_op(); gen_rand_expr(); break;
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}
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printf("buf: %s\n", buf);
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}
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START_TEST(test_test1) {
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for (int i = 0; i < 10; i++) {
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START_TEST(test_expr_random_100) {
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srand(time(0) + _i * 100);
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gen_rand_expr();
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yy_scan_string(buf + 18);
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yy_scan_string(buf + buf_start_pos);
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uint32_t addr;
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ck_assert(!yyparse(&addr));
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yylex_destroy();
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/* Open the command for reading. */
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FILE *fp;
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*(buf_ptr++) = ')';
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fp = popen(buf, "r");
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sprintf(code_buf, code_format, buf);
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FILE *fp = fopen("/tmp/.code.c", "w");
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ck_assert(fp != NULL);
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fputs(code_buf, fp);
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fclose(fp);
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int ret = system("gcc /tmp/.code.c -o /tmp/.expr 2>/dev/null");
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ck_assert_msg(!ret, "system ret: %d, error: %s", ret, strerror(ret));
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fp = popen("/tmp/.expr", "r");
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ck_assert(fp != NULL);
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/* Read the output a line at a time - output it. */
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uint32_t reference = 0;
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ck_assert(fscanf(fp, "%u", &reference) == 0);
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ck_assert(addr == reference);
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uint32_t reference;
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ret = fscanf(fp, "%u", &reference);
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ck_assert(ret == 1);
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pclose(fp);
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// fprintf(stderr, "\n\tbuf = %s\n\taddr = %u, reference = %u", buf, addr, reference);
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while(buf_ptr != buf + 18) {
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ck_assert_msg(addr == reference, "\n\tbuf = %s\n\taddr = %u, reference = %u\n", buf, addr, reference);
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while(buf_ptr != buf + buf_start_pos) {
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*(--buf_ptr) = '\0';
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}
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}
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} END_TEST
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START_TEST(test_test2) {
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@ -89,18 +105,17 @@ Suite *expr_suite(void) {
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s = suite_create("Expr test");
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tc_core = tcase_create("Core");
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tcase_add_test(tc_core, test_test1);
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tcase_add_loop_test(tc_core, test_expr_random_100, 0, 100);
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tcase_add_test(tc_core, test_test2);
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suite_add_tcase(s, tc_core);
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return s;
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}
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int test_main(void) {
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int main(void) {
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int number_failed;
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Suite *s;
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SRunner *sr;
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srand(time(0));
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s = expr_suite();
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sr = srunner_create(s);
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@ -111,4 +126,3 @@ int test_main(void) {
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return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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