aboutsummaryrefslogtreecommitdiff
path: root/usr.bin/cc
diff options
context:
space:
mode:
Diffstat (limited to 'usr.bin/cc')
-rw-r--r--usr.bin/cc/t_ctype_abuse.sh124
-rw-r--r--usr.bin/cc/t_libm_cabs.sh57
-rw-r--r--usr.bin/cc/t_pthread_abuse.sh79
3 files changed, 260 insertions, 0 deletions
diff --git a/usr.bin/cc/t_ctype_abuse.sh b/usr.bin/cc/t_ctype_abuse.sh
new file mode 100644
index 000000000000..e7c7c74d1220
--- /dev/null
+++ b/usr.bin/cc/t_ctype_abuse.sh
@@ -0,0 +1,124 @@
+# $NetBSD: t_ctype_abuse.sh,v 1.1 2024/12/18 02:47:00 riastradh Exp $
+#
+# Copyright (c) 2024 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+ctype_abuse_head()
+{
+ local ctypefn reftype desc
+
+ ctypefn=$1
+ reftype=$2
+
+ case $reftype in
+ var) desc="variable";;
+ ptr) desc="pointer dereference";;
+ array) desc="array element";;
+ funcall)
+ desc="function call";;
+ esac
+
+ atf_set "descr" "Test that $ctypefn warns on $desc of type char"
+ atf_set "require.progs" "cc"
+}
+
+ctype_abuse_body()
+{
+ local ctypefn reftype
+
+ ctypefn=$1
+ reftype=$2
+
+ case $reftype in
+ var) decl='x'; ref='x';;
+ ptr) decl='*x'; ref='*x';;
+ array) decl='x[]'; ref='x[0]';;
+ funcall)
+ decl='f(void)'; ref='f()';;
+ esac
+
+ cat >test.c <<EOF
+#include <ctype.h>
+
+extern char $decl;
+
+int
+g(void)
+{
+
+ return $ctypefn($ref);
+}
+EOF
+ case $reftype in
+ var) atf_expect_fail 'PR lib/58912: ctype(3) abuse detection' \
+ ' fails for variable references';;
+ esac
+ atf_check -s not-exit:0 \
+ -e match:'array subscript has type.*char.*-W.*char-subscripts' \
+ cc -c -Wall -Werror test.c
+}
+
+ctype_abuse_tests()
+{
+ local ctypefn reftype tc
+
+ for ctypefn in \
+ isalpha \
+ isupper \
+ islower \
+ isdigit \
+ isxdigit \
+ isalnum \
+ isspace \
+ ispunct \
+ isprint \
+ isgraph \
+ iscntrl \
+ isblank \
+ toupper \
+ tolower \
+ # end of ctypefn enumeration
+ do
+ for reftype in var ptr array funcall; do
+ tc=${ctypefn}_${reftype}
+ eval "atf_test_case $tc"
+ eval "${tc}_head()
+ {
+ ctype_abuse_head $ctypefn $reftype
+ }"
+ eval "${tc}_body()
+ {
+ ctype_abuse_body $ctypefn $reftype
+ }"
+ atf_add_test_case $tc
+ done
+ done
+}
+
+atf_init_test_cases()
+{
+
+ ctype_abuse_tests
+}
diff --git a/usr.bin/cc/t_libm_cabs.sh b/usr.bin/cc/t_libm_cabs.sh
new file mode 100644
index 000000000000..85cce3f19228
--- /dev/null
+++ b/usr.bin/cc/t_libm_cabs.sh
@@ -0,0 +1,57 @@
+# $NetBSD: t_libm_cabs.sh,v 1.1 2026/01/27 20:01:47 mrg Exp $
+#
+# Copyright (c) 2026 Matthew R. Green
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+
+atf_test_case libm_cabs
+libm_cabs_head() {
+ atf_set "descr" "compile using __builtin_cabsl(3) which should be renamed"
+ atf_set "require.progs" "cc"
+}
+
+#
+# Simple program that misses including <complex.h> so that the renames
+# GCC itself is supposed to be doing are also applied, which makes their
+# uses in libgfortran use the correct symbols. The use of
+# "__builtin_cabsl" should become "__c99_cabsl".
+#
+libm_cabs_body() {
+ cat > cabsl.c << EOF
+long double my_foo(long double _Complex);
+long double
+my_foo(long double _Complex z)
+{
+ return __builtin_cabsl(z);
+}
+EOF
+ atf_check -s exit:0 -o ignore -e ignore cc -O3 -c cabsl.c
+ atf_check -s exit:0 -o match:__c99_cabsl -e empty objdump -dr cabsl.o
+}
+
+atf_init_test_cases()
+{
+
+ atf_add_test_case libm_cabs
+}
diff --git a/usr.bin/cc/t_pthread_abuse.sh b/usr.bin/cc/t_pthread_abuse.sh
new file mode 100644
index 000000000000..caf88e60557f
--- /dev/null
+++ b/usr.bin/cc/t_pthread_abuse.sh
@@ -0,0 +1,79 @@
+# $NetBSD: t_pthread_abuse.sh,v 1.1 2025/10/06 13:11:56 riastradh Exp $
+#
+# Copyright (c) 2025 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+pthread_abuse_head()
+{
+
+ atf_set "descr" \
+ "Test that pthread_create calls without -lpthread fail to link"
+ atf_set "require.progs" "cc"
+}
+pthread_abuse_body()
+{
+
+ cat >test.c <<'EOF'
+#include <err.h>
+#include <pthread.h>
+#include <stdlib.h>
+
+static void *
+start(void *cookie)
+{
+ return cookie;
+}
+
+int
+main(void)
+{
+ int cookie = 123;
+ pthread_t t;
+ void *result;
+ int error;
+
+ error = pthread_create(&t, NULL, &start, &cookie);
+ if (error)
+ errc(EXIT_FAILURE, error, "pthread_create");
+ error = pthread_join(t, &result);
+ if (error)
+ errc(EXIT_FAILURE, error, "pthread_join");
+ return (result == &cookie ? 0 : EXIT_FAILURE);
+}
+EOF
+ atf_check -s not-exit:0 \
+ -e match:'undefined reference to.*pthread_create' \
+ cc -o test test.c
+ atf_check cc -o test test.c -lpthread
+ atf_check ./test
+ atf_check cc -o test test.c -pthread
+ atf_check ./test
+}
+
+atf_init_test_cases()
+{
+
+ atf_add_test_case pthread_abuse
+}