Use the compiler-rt version __{u,}divsi3 and __{u,}modsi3 on ARM EABI

4 files changed, 27 insertions, 5 deletions

diff --git a/lib/libc/arm/Makefile.inc b/lib/libc/arm/Makefile.inc
index 4c72e56..dafc8d6 100644
--- a/lib/libc/arm/Makefile.inc
+++ b/lib/libc/arm/Makefile.inc
@@ -8,3 +8,9 @@ SOFTFLOAT_BITS=32
 # Long double is just double precision.
 MDSRCS+=machdep_ldisd.c
 SYM_MAPS+=${.CURDIR}/arm/Symbol.map
+
+.if ${MK_ARM_EABI} == "no"
+# This contains the symbols that were removed when moving to the ARM EABI
+SYM_MAPS+=${.CURDIR}/arm/Symbol_oabi.map
+.endif
+
diff --git a/lib/libc/arm/Symbol.map b/lib/libc/arm/Symbol.map
index 48f6747..1c83b0a 100644
--- a/lib/libc/arm/Symbol.map
+++ b/lib/libc/arm/Symbol.map
@@ -46,10 +46,6 @@ FBSDprivate_1.0 {
 	_set_tp;
 	__aeabi_read_tp;
 	___longjmp;
-	__umodsi3;
-	__modsi3;
-	__udivsi3;
-	__divsi3;
 	__makecontext;
 	__longjmp;
 	signalcontext;
diff --git a/lib/libc/arm/Symbol_oabi.map b/lib/libc/arm/Symbol_oabi.map
new file mode 100644
index 0000000..0c22e4a
--- /dev/null
+++ b/lib/libc/arm/Symbol_oabi.map
@@ -0,0 +1,16 @@
+/*
+ * $FreeBSD$
+ */
+
+/*
+ * This only needs to contain symbols that are not listed in
+ * symbol maps from other parts of libc (i.e., not found in
+ * stdlib/Symbol.map, string/Symbol.map, sys/Symbol.map, ...)
+ * and are not used in the ARM EABI.
+ */
+FBSDprivate_1.0 {
+	__umodsi3;
+	__modsi3;
+	__udivsi3;
+	__divsi3;
+};
diff --git a/lib/libc/arm/gen/Makefile.inc b/lib/libc/arm/gen/Makefile.inc
index a78cbb9..ec36d45 100644
--- a/lib/libc/arm/gen/Makefile.inc
+++ b/lib/libc/arm/gen/Makefile.inc
@@ -3,4 +3,8 @@
 
 SRCS+=	_ctx_start.S _setjmp.S _set_tp.c alloca.S fabs.c \
 	getcontextx.c infinity.c ldexp.c makecontext.c \
-	__aeabi_read_tp.S setjmp.S signalcontext.c sigsetjmp.S divsi3.S flt_rounds.c
+	__aeabi_read_tp.S setjmp.S signalcontext.c sigsetjmp.S flt_rounds.c
+
+.if ${MK_ARM_EABI} == "no"
+SRCS+=	divsi3.S
+.endif