diff options
Diffstat (limited to 'sysdeps/unix/sysv')
15 files changed, 186 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/Makefile b/sysdeps/unix/sysv/linux/aarch64/Makefile index 1fdad67fae..e16799fedd 100644 --- a/sysdeps/unix/sysv/linux/aarch64/Makefile +++ b/sysdeps/unix/sysv/linux/aarch64/Makefile @@ -3,7 +3,77 @@ sysdep_headers += sys/elf.h tests += \ tst-aarch64-pkey \ # tests -endif + +ifneq (no,$(findstring no,$(have-cc-gcs) $(have-test-cc-gcs) $(have-ld-gcs))) + +gcs-tests-dynamic = \ + tst-gcs-disabled \ + tst-gcs-enforced \ + tst-gcs-enforced-abort \ + tst-gcs-optional-off \ + tst-gcs-optional-on \ + tst-gcs-override \ + # gcs-tests-dynamic + +gcs-tests-static = \ + tst-gcs-disabled-static \ + tst-gcs-enforced-static \ + tst-gcs-enforced-static-abort \ + tst-gcs-optional-static-off \ + tst-gcs-optional-static-on \ + tst-gcs-override-static \ + # gcs-tests-static + +tests += \ + $(gcs-tests-dynamic) \ + $(gcs-tests-static) \ + # tests + +tests-static += \ + $(gcs-tests-static) \ + # tests-static + +define run-gcs-abort-test + $(test-wrapper-env) $(run-program-env) \ + $(tst-gcs-$*-abort-ENV) $(host-test-program-cmd) +endef + +$(objpfx)tst-gcs-%-abort.out: $(..)sysdeps/unix/sysv/linux/aarch64/tst-gcs-abort.sh \ + $(objpfx)tst-gcs-%-abort + $(SHELL) $< $(common-objpfx) $(test-name) '$(run-gcs-abort-test)'; \ + $(evaluate-test) + +LDFLAGS-tst-gcs-disabled += -Wl,-z gcs=always +LDFLAGS-tst-gcs-enforced += -Wl,-z gcs=always +LDFLAGS-tst-gcs-enforced-abort += -Wl,-z gcs=never +LDFLAGS-tst-gcs-optional-on += -Wl,-z gcs=always +LDFLAGS-tst-gcs-optional-off += -Wl,-z gcs=never +LDFLAGS-tst-gcs-override += -Wl,-z gcs=never + +LDFLAGS-tst-gcs-disabled-static += -Wl,-z gcs=always +LDFLAGS-tst-gcs-enforced-static += -Wl,-z gcs=always +LDFLAGS-tst-gcs-enforced-static-abort += -Wl,-z gcs=never +LDFLAGS-tst-gcs-optional-static-on += -Wl,-z gcs=always +LDFLAGS-tst-gcs-optional-static-off += -Wl,-z gcs=never +LDFLAGS-tst-gcs-override-static += -Wl,-z gcs=never + +tst-gcs-disabled-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=0 +tst-gcs-enforced-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=1 +tst-gcs-enforced-abort-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=1 +tst-gcs-optional-on-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=2 +tst-gcs-optional-off-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=2 +tst-gcs-override-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=3 + +tst-gcs-disabled-static-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=0 +tst-gcs-enforced-static-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=1 +tst-gcs-enforced-static-abort-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=1 +tst-gcs-optional-static-on-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=2 +tst-gcs-optional-static-off-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=2 +tst-gcs-override-static-ENV = GLIBC_TUNABLES=glibc.cpu.aarch64_gcs=3 + +endif # ifeq ($(have-test-cc-gcs),yes) + +endif # ifeq ($(subdir),misc) ifeq ($(subdir),stdlib) gen-as-const-headers += ucontext_i.sym diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-abort.sh b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-abort.sh new file mode 100644 index 0000000000..9e2be2d5c5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-abort.sh @@ -0,0 +1,39 @@ +#!/bin/sh +# Test wrapper for AArch64 tests for GCS that are expected to abort. +# Copyright (C) 2025 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, see +# <https://www.gnu.org/licenses/>. + +objpfx=$1; shift +tstname=$1; shift +tstrun=$1; shift + +logfile=$objpfx/$tstname.out + +rm -vf $logfile +touch $logfile + +${tstrun} 2>> $logfile >> $logfile; status=$? + +if test $status -eq 127 \ + && grep -q -w "not GCS compatible" "$logfile" ; then + exit 0 +elif test $status -eq 77; then + exit 77 +else + echo "unexpected test output or exit status $status" + exit 1 +fi diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-disabled-static.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-disabled-static.c new file mode 100644 index 0000000000..c71d68cb86 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-disabled-static.c @@ -0,0 +1 @@ +#include "tst-gcs-disabled.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-disabled.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-disabled.c new file mode 100644 index 0000000000..bd688785bb --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-disabled.c @@ -0,0 +1,2 @@ +#define TEST_GCS_EXPECT_ENABLED 0 +#include "tst-gcs-skeleton.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-abort.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-abort.c new file mode 100644 index 0000000000..608318f26d --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-abort.c @@ -0,0 +1,2 @@ +#define TEST_GCS_EXPECT_ENABLED 1 +#include "tst-gcs-skeleton.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-static-abort.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-static-abort.c new file mode 100644 index 0000000000..c20a999f6b --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-static-abort.c @@ -0,0 +1 @@ +#include "tst-gcs-enforced-abort.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-static.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-static.c new file mode 100644 index 0000000000..bb39dada55 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced-static.c @@ -0,0 +1 @@ +#include "tst-gcs-enforced.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced.c new file mode 100644 index 0000000000..608318f26d --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-enforced.c @@ -0,0 +1,2 @@ +#define TEST_GCS_EXPECT_ENABLED 1 +#include "tst-gcs-skeleton.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-off.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-off.c new file mode 100644 index 0000000000..bd688785bb --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-off.c @@ -0,0 +1,2 @@ +#define TEST_GCS_EXPECT_ENABLED 0 +#include "tst-gcs-skeleton.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-on.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-on.c new file mode 100644 index 0000000000..608318f26d --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-on.c @@ -0,0 +1,2 @@ +#define TEST_GCS_EXPECT_ENABLED 1 +#include "tst-gcs-skeleton.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-static-off.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-static-off.c new file mode 100644 index 0000000000..54e3b9a0d5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-static-off.c @@ -0,0 +1 @@ +#include "tst-gcs-optional-off.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-static-on.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-static-on.c new file mode 100644 index 0000000000..11b884b429 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-optional-static-on.c @@ -0,0 +1 @@ +#include "tst-gcs-optional-on.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-override-static.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-override-static.c new file mode 100644 index 0000000000..09055dcdc4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-override-static.c @@ -0,0 +1 @@ +#include "tst-gcs-override.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-override.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-override.c new file mode 100644 index 0000000000..608318f26d --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-override.c @@ -0,0 +1,2 @@ +#define TEST_GCS_EXPECT_ENABLED 1 +#include "tst-gcs-skeleton.c" diff --git a/sysdeps/unix/sysv/linux/aarch64/tst-gcs-skeleton.c b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-skeleton.c new file mode 100644 index 0000000000..37692c96d0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/aarch64/tst-gcs-skeleton.c @@ -0,0 +1,58 @@ +/* AArch64 tests for GCS. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <support/check.h> +#include <support/support.h> +#include <support/test-driver.h> + +#include <stdio.h> +#include <sys/auxv.h> + +static bool __check_gcs_status (void) +{ + register unsigned long x16 asm ("x16"); + asm volatile ( + "mov x16, #1 /* _CHKFEAT_GCS */\n" + "hint 40 /* CHKFEAT_X16 */\n" + : "=r" (x16)); + return x16 ^ 1; +} + +static int +do_test (void) +{ + /* Check if GCS could possible by enabled. */ + if (!(getauxval (AT_HWCAP) & HWCAP_GCS)) + { + puts ("kernel or CPU does not support GCS"); + return EXIT_UNSUPPORTED; + } + bool gcs_enabled = __check_gcs_status (); + if (gcs_enabled) + puts ("GCS enabled"); + else + puts ("GCS not enabled"); +#if TEST_GCS_EXPECT_ENABLED + TEST_VERIFY (gcs_enabled); +#else + TEST_VERIFY (!gcs_enabled); +#endif + return 0; +} + +#include <support/test-driver.c> |