libgcc_s: Add new rtld-c18n symbols and flags to libunwind.

CTSRD-CHERI · Mar 4, 2024 · e08934f · e08934f
1 parent cb88616
commit e08934f
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diff --git a/lib/libgcc_s/Makefile b/lib/libgcc_s/Makefile
@@ -53,4 +53,7 @@ SRCS+=		s_logbl.c
 SRCS+=		s_scalbnl.c
 .endif
 
+SYMBOL_MAPS+=	${.CURDIR}/Symbol-c18n.map
+CFLAGS+=	-D_LIBUNWIND_SANDBOX_OTYPES -D_LIBUNWIND_SANDBOX_HARDENED
+
 .include <bsd.lib.mk>
diff --git a/lib/libgcc_s/Symbol-c18n.map b/lib/libgcc_s/Symbol-c18n.map
@@ -0,0 +1,7 @@
+FBSDprivate_1.0 {
+	_rtld_unw_getcontext;
+	_rtld_unw_setcontext;
+	_rtld_unw_getcontext_unsealed;
+	_rtld_unw_setcontext_unsealed;
+	_rtld_unw_getsealer;
+};
diff --git a/lib/libgcc_s/Versions.def b/lib/libgcc_s/Versions.def
@@ -31,3 +31,6 @@ GCC_4.3.0 {
 
 GCC_4.6.0 {
 } GCC_4.3.0;
+
+FBSDprivate_1.0 {
+} GCC_4.6.0;