diff options
| -rw-r--r-- | tools/testing/selftests/nolibc/Makefile | 12 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test-linkage.c | 26 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test-linkage.h | 9 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test.c | 4 |
4 files changed, 45 insertions, 6 deletions
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile index af60e07d3c12..a0fc07253baf 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -171,17 +171,17 @@ sysroot/$(ARCH)/include: $(Q)mv sysroot/sysroot sysroot/$(ARCH) ifneq ($(NOLIBC_SYSROOT),0) -nolibc-test: nolibc-test.c sysroot/$(ARCH)/include +nolibc-test: nolibc-test.c nolibc-test-linkage.c sysroot/$(ARCH)/include $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \ - -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include $< -lgcc + -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include nolibc-test.c nolibc-test-linkage.c -lgcc else -nolibc-test: nolibc-test.c +nolibc-test: nolibc-test.c nolibc-test-linkage.c $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \ - -nostdlib -static -include ../../../include/nolibc/nolibc.h $< -lgcc + -nostdlib -static -include ../../../include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c -lgcc endif -libc-test: nolibc-test.c - $(QUIET_CC)$(HOSTCC) -o $@ $< +libc-test: nolibc-test.c nolibc-test-linkage.c + $(QUIET_CC)$(HOSTCC) -o $@ nolibc-test.c nolibc-test-linkage.c # local libc-test run-libc-test: libc-test diff --git a/tools/testing/selftests/nolibc/nolibc-test-linkage.c b/tools/testing/selftests/nolibc/nolibc-test-linkage.c new file mode 100644 index 000000000000..5ff4c8a1db2a --- /dev/null +++ b/tools/testing/selftests/nolibc/nolibc-test-linkage.c @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include "nolibc-test-linkage.h" + +#ifndef NOLIBC +#include <errno.h> +#endif + +void *linkage_test_errno_addr(void) +{ + return &errno; +} + +int linkage_test_constructor_test_value; + +__attribute__((constructor)) +static void constructor1(void) +{ + linkage_test_constructor_test_value = 2; +} + +__attribute__((constructor)) +static void constructor2(void) +{ + linkage_test_constructor_test_value *= 3; +} diff --git a/tools/testing/selftests/nolibc/nolibc-test-linkage.h b/tools/testing/selftests/nolibc/nolibc-test-linkage.h new file mode 100644 index 000000000000..c66473070d73 --- /dev/null +++ b/tools/testing/selftests/nolibc/nolibc-test-linkage.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _NOLIBC_TEST_LINKAGE_H +#define _NOLIBC_TEST_LINKAGE_H + +void *linkage_test_errno_addr(void); +extern int linkage_test_constructor_test_value; + +#endif /* _NOLIBC_TEST_LINKAGE_H */ diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 8da7f15d010e..2f10541e6f38 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -41,6 +41,8 @@ #endif #endif +#include "nolibc-test-linkage.h" + /* for the type of int_fast16_t and int_fast32_t, musl differs from glibc and nolibc */ #define SINT_MAX_OF_TYPE(type) (((type)1 << (sizeof(type) * 8 - 2)) - (type)1 + ((type)1 << (sizeof(type) * 8 - 2))) #define SINT_MIN_OF_TYPE(type) (-SINT_MAX_OF_TYPE(type) - 1) @@ -647,6 +649,8 @@ int run_startup(int min, int max) CASE_TEST(auxv_addr); EXPECT_PTRGT(test_auxv != (void *)-1, test_auxv, brk); break; CASE_TEST(auxv_AT_UID); EXPECT_EQ(1, getauxval(AT_UID), getuid()); break; CASE_TEST(constructor); EXPECT_EQ(1, constructor_test_value, 2); break; + CASE_TEST(linkage_errno); EXPECT_PTREQ(1, linkage_test_errno_addr(), &errno); break; + CASE_TEST(linkage_constr); EXPECT_EQ(1, linkage_test_constructor_test_value, 6); break; case __LINE__: return ret; /* must be last */ /* note: do not set any defaults so as to permit holes above */ |