[14/14] sparc: do not stack-protect the sigreturn handler.
Commit Message
From: Nick Alcock <nick.alcock@oracle.com>
This is called from the kernel and must not have a canary.
v2: New.
---
sysdeps/unix/sysv/linux/sparc/sparc32/Makefile | 7 +++++++
sysdeps/unix/sysv/linux/sparc/sparc64/Makefile | 7 +++++++
2 files changed, 14 insertions(+)
@@ -26,3 +26,10 @@ ifeq ($(subdir),math)
# Provide these routines here as well.
libm-routines += multc3 divtc3
endif # math
+
+ifneq (,$(filter signal nptl,$(subdir)))
+ifeq ($(have-ssp),yes)
+# We must not stack-protect the sigreturn handler.
+CFLAGS-sigaction.c += -fno-stack-protector
+endif # have-ssp
+endif # signal
@@ -12,3 +12,10 @@ ifeq ($(subdir),nptl)
CFLAGS-pause.c += -fexceptions
CFLAGS-sigsuspend.c += -fexceptions
endif
+
+ifneq (,$(filter signal nptl,$(subdir)))
+ifeq ($(have-ssp),yes)
+# We must not stack-protect the sigreturn handler.
+CFLAGS-sigaction.c += -fno-stack-protector
+endif # have-ssp
+endif # signal