[PATCH v2 16/16] x86/cet: Run some CET tests with shadow stack

[H.J. Lu]

When CET is disabled by default, run some CET tests with shadow stack
enabled using

$ export GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
---
 sysdeps/x86/Makefile                      | 14 ++++++++++++++
 sysdeps/x86/tst-shstk-legacy-1e-static.sh |  1 +
 sysdeps/x86/tst-shstk-legacy-1e.sh        |  1 +
 sysdeps/x86/tst-shstk-legacy-1g.sh        |  1 +
 4 files changed, 17 insertions(+)

diff --git a/sysdeps/x86/Makefile b/sysdeps/x86/Makefile
index 6911a07a87..d751eaedf4 100644
--- a/sysdeps/x86/Makefile
+++ b/sysdeps/x86/Makefile
@@ -247,6 +247,13 @@ CFLAGS-tst-cet-legacy-10-static.c += -mshstk
 CFLAGS-tst-cet-legacy-10a.c += -fcf-protection=none
 CFLAGS-tst-cet-legacy-10a-static.c += -fcf-protection=none
 
+tst-cet-legacy-4-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-cet-legacy-6-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-cet-legacy-10-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-cet-legacy-10-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-cet-legacy-10a-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-cet-legacy-10a-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+
 CFLAGS-tst-shstk-legacy-1a.c += -fcf-protection=none
 CFLAGS-tst-shstk-legacy-1a-static.c += -fcf-protection=none
 CFLAGS-tst-shstk-legacy-1d.c += -fcf-protection=none
@@ -286,14 +293,20 @@ tst-cet-legacy-6b-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK
 tst-cet-legacy-9-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK
 tst-cet-legacy-9-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK
 
+tst-shstk-legacy-1a-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-shstk-legacy-1a-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
 $(objpfx)tst-shstk-legacy-1a: $(objpfx)tst-shstk-legacy-1-extra.o
 $(objpfx)tst-shstk-legacy-1a-static: $(objpfx)tst-shstk-legacy-1-extra.o
+tst-shstk-legacy-1b-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-shstk-legacy-1b-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
 $(objpfx)tst-shstk-legacy-1b: $(objpfx)tst-shstk-legacy-1-extra.o
 $(objpfx)tst-shstk-legacy-1b-static: $(objpfx)tst-shstk-legacy-1-extra.o
 tst-shstk-legacy-1c-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-SHSTK
 tst-shstk-legacy-1c-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=-SHSTK
 $(objpfx)tst-shstk-legacy-1c: $(objpfx)tst-shstk-legacy-1-extra.o
 $(objpfx)tst-shstk-legacy-1c-static: $(objpfx)tst-shstk-legacy-1-extra.o
+tst-shstk-legacy-1d-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
+tst-shstk-legacy-1d-static-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
 $(objpfx)tst-shstk-legacy-1d: $(objpfx)tst-shstk-legacy-1-extra.o
 $(objpfx)tst-shstk-legacy-1d-static: $(objpfx)tst-shstk-legacy-1-extra.o
 $(objpfx)tst-shstk-legacy-1e: $(objpfx)tst-shstk-legacy-1-extra.o
@@ -307,6 +320,7 @@ $(objpfx)tst-shstk-legacy-1e-static.out: \
   $(objpfx)tst-shstk-legacy-1e-static
 	$(SHELL) $< $(common-objpfx) 2> $@; \
 	$(evaluate-test)
+tst-shstk-legacy-1f-ENV = GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK
 $(objpfx)tst-shstk-legacy-1f: $(objpfx)tst-shstk-legacy-mod-1.so
 $(objpfx)tst-shstk-legacy-mod-1.so: \
   $(objpfx)tst-shstk-legacy-mod-1.os \
diff --git a/sysdeps/x86/tst-shstk-legacy-1e-static.sh b/sysdeps/x86/tst-shstk-legacy-1e-static.sh
index e943aec70e..008c50dae3 100755
--- a/sysdeps/x86/tst-shstk-legacy-1e-static.sh
+++ b/sysdeps/x86/tst-shstk-legacy-1e-static.sh
@@ -20,6 +20,7 @@
 
 common_objpfx=$1; shift
 
+GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK \
 ${common_objpfx}elf/tst-shstk-legacy-1e-static
 # The exit status should only be unsupported (77) or segfault (139).
 status=$?
diff --git a/sysdeps/x86/tst-shstk-legacy-1e.sh b/sysdeps/x86/tst-shstk-legacy-1e.sh
index b0467aa899..82f2acbf75 100755
--- a/sysdeps/x86/tst-shstk-legacy-1e.sh
+++ b/sysdeps/x86/tst-shstk-legacy-1e.sh
@@ -21,6 +21,7 @@
 common_objpfx=$1; shift
 test_program_prefix=$1; shift
 
+GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK \
 ${test_program_prefix} \
   ${common_objpfx}elf/tst-shstk-legacy-1e
 # The exit status should only be unsupported (77) or segfault (139).
diff --git a/sysdeps/x86/tst-shstk-legacy-1g.sh b/sysdeps/x86/tst-shstk-legacy-1g.sh
index c112bf6d8d..261eef7cac 100755
--- a/sysdeps/x86/tst-shstk-legacy-1g.sh
+++ b/sysdeps/x86/tst-shstk-legacy-1g.sh
@@ -21,6 +21,7 @@
 common_objpfx=$1; shift
 test_program_prefix=$1; shift
 
+GLIBC_TUNABLES=glibc.cpu.hwcaps=SHSTK \
 ${test_program_prefix} \
   ${common_objpfx}elf/tst-shstk-legacy-1g
 # The exit status should only be unsupported (77) or segfault (139).
-- 
2.43.0