From 6bb22b0a144646788f8c14bce1bde147693da780 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Tue, 18 Oct 2022 18:39:14 +0200
Subject: user/tests: more info when a test crashes

---
 src/user/app/tests/tests.c | 7 ++++++-
 src/user/app/tests/tests.h | 5 +++++
 2 files changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/user/app/tests')

diff --git a/src/user/app/tests/tests.c b/src/user/app/tests/tests.c
index 14225ac..e4b4d37 100644
--- a/src/user/app/tests/tests.c
+++ b/src/user/app/tests/tests.c
@@ -2,6 +2,9 @@
 #include <camellia/syscalls.h>
 #include <unistd.h>
 
+__attribute__((visibility("hidden")))
+extern char _image_base[];
+
 FILE *fail_trig;
 
 void run_test(void (*fn)()) {
@@ -10,7 +13,9 @@ void run_test(void (*fn)()) {
 		exit(0);
 	} else {
 		/* successful tests must return 0 */
-		if (_syscall_await() != 0) test_fail();
+		if (_syscall_await() != 0) {
+			test_failf("0x%x, base 0x%x", (void*)fn - (void*)_image_base, _image_base);
+		}
 	}
 }
 
diff --git a/src/user/app/tests/tests.h b/src/user/app/tests/tests.h
index e9b06e5..e93653e 100644
--- a/src/user/app/tests/tests.h
+++ b/src/user/app/tests/tests.h
@@ -29,4 +29,9 @@ int forkpipe(FILE **f, handle_t *h);
 	fflush(fail_trig); \
 	exit(0); \
 } while (0)
+#define test_failf(fmt, ...) do { \
+	fprintf(fail_trig, "%s():%u " fmt, __func__, __LINE__, __VA_ARGS__); \
+	fflush(fail_trig); \
+	exit(0); \
+} while (0)
 #define test(cond) if (!(cond)) test_fail();
-- 
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