Module Name:    src
Committed By:   riastradh
Date:           Thu Jun  1 22:24:52 UTC 2023

Modified Files:
        src/tests/libexec/ld.elf_so: t_tls_extern.c

Log Message:
ld.elf_so: Factor out logic in TLS tests to make writing more easier.

No functional change intended.

XXX pullup-10


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/tests/libexec/ld.elf_so/t_tls_extern.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/tests/libexec/ld.elf_so/t_tls_extern.c
diff -u src/tests/libexec/ld.elf_so/t_tls_extern.c:1.4 src/tests/libexec/ld.elf_so/t_tls_extern.c:1.5
--- src/tests/libexec/ld.elf_so/t_tls_extern.c:1.4	Thu Jun  1 20:50:18 2023
+++ src/tests/libexec/ld.elf_so/t_tls_extern.c	Thu Jun  1 22:24:52 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: t_tls_extern.c,v 1.4 2023/06/01 20:50:18 riastradh Exp $	*/
+/*	$NetBSD: t_tls_extern.c,v 1.5 2023/06/01 22:24:52 riastradh Exp $	*/
 
 /*-
  * Copyright (c) 2023 The NetBSD Foundation, Inc.
@@ -33,13 +33,15 @@
 
 #define	ATF_REQUIRE_DL(x)	ATF_REQUIRE_MSG(x, "%s: %s", #x, dlerror())
 
-ATF_TC(tls_extern_dynamic_defuse);
-ATF_TC_HEAD(tls_extern_dynamic_defuse, tc)
-{
-	atf_tc_set_md_var(tc, "descr", "extern __thread for dynamic TLS works,"
-	    " loading def then use");
-}
-ATF_TC_BODY(tls_extern_dynamic_defuse, tc)
+enum order {
+	DEF_USE,
+	USE_DEF,
+	USE_DEF_NOLOAD,
+};
+
+static void
+tls_extern(const char *libdef, const char *libuse, enum order order,
+    bool xfail)
 {
 	void *def, *use;
 	int *(*fdef)(void), *(*fuse)(void);
@@ -47,19 +49,47 @@ ATF_TC_BODY(tls_extern_dynamic_defuse, t
 
 	(void)dlerror();
 
-	ATF_REQUIRE_DL(def = dlopen("libh_def_dynamic.so", 0));
-	ATF_REQUIRE_DL(use = dlopen("libh_use_dynamic.so", 0));
+	switch (order) {
+	case DEF_USE:
+		ATF_REQUIRE_DL(def = dlopen(libdef, 0));
+		ATF_REQUIRE_DL(use = dlopen(libuse, 0));
+		break;
+	case USE_DEF:
+		ATF_REQUIRE_DL(use = dlopen(libuse, 0));
+		ATF_REQUIRE_DL(def = dlopen(libdef, 0));
+		break;
+	case USE_DEF_NOLOAD:
+		ATF_REQUIRE_DL(use = dlopen(libuse, 0));
+		ATF_REQUIRE_DL(def = dlopen(libdef, RTLD_NOLOAD));
+		break;
+	}
 
 	ATF_REQUIRE_DL(fdef = dlsym(def, "fdef"));
 	ATF_REQUIRE_DL(fuse = dlsym(use, "fuse"));
 
 	pdef = (*fdef)();
 	puse = (*fuse)();
+	if (xfail) {
+		atf_tc_expect_fail("PR toolchain/50277:"
+		    " rtld relocation bug with thread local storage");
+	}
 	ATF_CHECK_EQ_MSG(pdef, puse,
 	    "%p in defining library != %p in using library",
 	    pdef, puse);
 }
 
+ATF_TC(tls_extern_dynamic_defuse);
+ATF_TC_HEAD(tls_extern_dynamic_defuse, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "extern __thread for dynamic TLS works,"
+	    " loading def then use");
+}
+ATF_TC_BODY(tls_extern_dynamic_defuse, tc)
+{
+	tls_extern("libh_def_dynamic.so", "libh_use_dynamic.so",
+	    DEF_USE, /*xfail*/false);
+}
+
 ATF_TC(tls_extern_dynamic_usedef);
 ATF_TC_HEAD(tls_extern_dynamic_usedef, tc)
 {
@@ -68,23 +98,8 @@ ATF_TC_HEAD(tls_extern_dynamic_usedef, t
 }
 ATF_TC_BODY(tls_extern_dynamic_usedef, tc)
 {
-	void *def, *use;
-	int *(*fdef)(void), *(*fuse)(void);
-	int *pdef, *puse;
-
-	(void)dlerror();
-
-	ATF_REQUIRE_DL(use = dlopen("libh_use_dynamic.so", 0));
-	ATF_REQUIRE_DL(def = dlopen("libh_def_dynamic.so", 0));
-
-	ATF_REQUIRE_DL(fdef = dlsym(def, "fdef"));
-	ATF_REQUIRE_DL(fuse = dlsym(use, "fuse"));
-
-	pdef = (*fdef)();
-	puse = (*fuse)();
-	ATF_CHECK_EQ_MSG(pdef, puse,
-	    "%p in defining library != %p in using library",
-	    pdef, puse);
+	tls_extern("libh_def_dynamic.so", "libh_use_dynamic.so",
+	    USE_DEF, /*xfail*/false);
 }
 
 ATF_TC(tls_extern_dynamic_usedefnoload);
@@ -95,23 +110,8 @@ ATF_TC_HEAD(tls_extern_dynamic_usedefnol
 }
 ATF_TC_BODY(tls_extern_dynamic_usedefnoload, tc)
 {
-	void *def, *use;
-	int *(*fdef)(void), *(*fuse)(void);
-	int *pdef, *puse;
-
-	(void)dlerror();
-
-	ATF_REQUIRE_DL(use = dlopen("libh_use_dynamic.so", 0));
-	ATF_REQUIRE_DL(def = dlopen("libh_def_dynamic.so", RTLD_NOLOAD));
-
-	ATF_REQUIRE_DL(fdef = dlsym(def, "fdef"));
-	ATF_REQUIRE_DL(fuse = dlsym(use, "fuse"));
-
-	pdef = (*fdef)();
-	puse = (*fuse)();
-	ATF_CHECK_EQ_MSG(pdef, puse,
-	    "%p in defining library != %p in using library",
-	    pdef, puse);
+	tls_extern("libh_def_dynamic.so", "libh_use_dynamic.so",
+	    USE_DEF_NOLOAD, /*xfail*/false);
 }
 
 ATF_TC(tls_extern_static_defuse);
@@ -122,23 +122,8 @@ ATF_TC_HEAD(tls_extern_static_defuse, tc
 }
 ATF_TC_BODY(tls_extern_static_defuse, tc)
 {
-	void *def, *use;
-	int *(*fdef)(void), *(*fuse)(void);
-	int *pdef, *puse;
-
-	(void)dlerror();
-
-	ATF_REQUIRE_DL(def = dlopen("libh_def_static.so", 0));
-	ATF_REQUIRE_DL(use = dlopen("libh_use_static.so", 0));
-
-	ATF_REQUIRE_DL(fdef = dlsym(def, "fdef"));
-	ATF_REQUIRE_DL(fuse = dlsym(use, "fuse"));
-
-	pdef = (*fdef)();
-	puse = (*fuse)();
-	ATF_CHECK_EQ_MSG(pdef, puse,
-	    "%p in defining library != %p in using library",
-	    pdef, puse);
+	tls_extern("libh_def_static.so", "libh_use_static.so",
+	    DEF_USE, /*xfail*/false);
 }
 
 ATF_TC(tls_extern_static_usedef);
@@ -149,25 +134,8 @@ ATF_TC_HEAD(tls_extern_static_usedef, tc
 }
 ATF_TC_BODY(tls_extern_static_usedef, tc)
 {
-	void *def, *use;
-	int *(*fdef)(void), *(*fuse)(void);
-	int *pdef, *puse;
-
-	(void)dlerror();
-
-	ATF_REQUIRE_DL(use = dlopen("libh_use_static.so", 0));
-	ATF_REQUIRE_DL(def = dlopen("libh_def_static.so", 0));
-
-	ATF_REQUIRE_DL(fdef = dlsym(def, "fdef"));
-	ATF_REQUIRE_DL(fuse = dlsym(use, "fuse"));
-
-	pdef = (*fdef)();
-	puse = (*fuse)();
-	atf_tc_expect_fail("PR toolchain/50277:"
-	    " rtld relocation bug with thread local storage");
-	ATF_CHECK_EQ_MSG(pdef, puse,
-	    "%p in defining library != %p in using library",
-	    pdef, puse);
+	tls_extern("libh_def_static.so", "libh_use_static.so",
+	    USE_DEF, /*xfail*/true);
 }
 
 ATF_TC(tls_extern_static_usedefnoload);
@@ -178,25 +146,8 @@ ATF_TC_HEAD(tls_extern_static_usedefnolo
 }
 ATF_TC_BODY(tls_extern_static_usedefnoload, tc)
 {
-	void *def, *use;
-	int *(*fdef)(void), *(*fuse)(void);
-	int *pdef, *puse;
-
-	(void)dlerror();
-
-	ATF_REQUIRE_DL(use = dlopen("libh_use_static.so", 0));
-	ATF_REQUIRE_DL(def = dlopen("libh_def_static.so", RTLD_NOLOAD));
-
-	ATF_REQUIRE_DL(fdef = dlsym(def, "fdef"));
-	ATF_REQUIRE_DL(fuse = dlsym(use, "fuse"));
-
-	pdef = (*fdef)();
-	puse = (*fuse)();
-	atf_tc_expect_fail("PR toolchain/50277:"
-	    " rtld relocation bug with thread local storage");
-	ATF_CHECK_EQ_MSG(pdef, puse,
-	    "%p in defining library != %p in using library",
-	    pdef, puse);
+	tls_extern("libh_def_static.so", "libh_use_static.so",
+	    USE_DEF_NOLOAD, /*xfail*/true);
 }
 
 ATF_TP_ADD_TCS(tp)

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