6 files changed, 431 insertions, 0 deletions
diff --git a/lib/libgcc_s/Makefile b/lib/libgcc_s/Makefile
new file mode 100644
index 000000000000..992fc930ee9f
--- /dev/null
+++ b/lib/libgcc_s/Makefile
@@ -0,0 +1,55 @@
+PACKAGE=	clibs
+SHLIB_NAME=	libgcc_s.so.1
+SHLIBDIR?=	/lib
+
+# Enabling UBSan triggers "undefined reference to vtable for __cxxabiv1::__function_type_info"
+MK_UBSAN:=	no
+
+.include <bsd.opts.mk>
+
+MK_SSP=		no
+WARNS?=	2
+
+LDFLAGS+=	-nodefaultlibs
+LIBADD+=	c
+
+VERSION_DEF=	${.CURDIR}/Versions.def
+SYMBOL_MAPS=	${.CURDIR}/Symbol.map
+# Export ARM AEABI unwind routines needed by libc and libthr.
+.if exists(${.CURDIR}/${MACHINE_CPUARCH}/Symbol.map)
+SYMBOL_MAPS+=	${.CURDIR}/${MACHINE_CPUARCH}/Symbol.map
+.else
+SYMBOL_MAPS+=	${.CURDIR}/SymbolDefault.map
+.endif
+
+.include "../libcompiler_rt/Makefile.inc"
+.include "../libgcc_eh/Makefile.inc"
+
+# gcc has incompatible internal declarations for __divtc3 and __multc3, but has
+# no option to silence its warning, so make warnings non-fatal.
+MK_WERROR.gcc=	no
+
+LIBCSRCDIR=	${SRCTOP}/lib/libc
+LIBMSRCDIR=	${SRCTOP}/lib/msun/src
+CFLAGS+=	-I${LIBCSRCDIR}/include -I${LIBCSRCDIR}/${MACHINE_CPUARCH}
+CFLAGS+=	-I${LIBMSRCDIR}
+.PATH:		${LIBMSRCDIR}
+SRCS+=		s_fabs.c
+SRCS+=		s_fabsf.c
+SRCS+=		s_fabsl.c
+SRCS+=		s_fmax.c
+SRCS+=		s_fmaxf.c
+SRCS+=		s_logb.c
+SRCS+=		s_logbf.c
+SRCS+=		s_scalbn.c
+SRCS+=		s_scalbnf.c
+
+# Don't include long double routines on architectures where long double
+# is the same size as double.
+.if ${MACHINE_CPUARCH} != "arm" && ${MACHINE_CPUARCH} != "powerpc"
+SRCS+=		s_fmaxl.c
+SRCS+=		s_logbl.c
+SRCS+=		s_scalbnl.c
+.endif
+
+.include <bsd.lib.mk>
diff --git a/lib/libgcc_s/Makefile.depend b/lib/libgcc_s/Makefile.depend
new file mode 100644
index 000000000000..77f8f90c31c3
--- /dev/null
+++ b/lib/libgcc_s/Makefile.depend
@@ -0,0 +1,14 @@
+# Autogenerated - do NOT edit!
+
+DIRDEPS = \
+	include \
+	include/xlocale \
+	lib/${CSU_DIR} \
+	lib/libc \
+
+
+.include <dirdeps.mk>
+
+.if ${DEP_RELDIR} == ${_DEP_RELDIR}
+# local dependencies - needed for -jN in clean tree
+.endif
diff --git a/lib/libgcc_s/Symbol.map b/lib/libgcc_s/Symbol.map
new file mode 100644
index 000000000000..e8f7e824adaf
--- /dev/null
+++ b/lib/libgcc_s/Symbol.map
@@ -0,0 +1,235 @@
+/*
+ */
+
+#if defined(__LP64__) || defined(__SIZEOF_INT128__)
+#define	CRT_HAS_128BIT
+#endif
+
+GCC_3.0 {
+	__absvdi2;
+	__absvsi2;
+	__addvdi3;
+	__addvsi3;
+	__ashldi3;
+	__ashrdi3;
+	__clear_cache;
+	__cmpdi2;
+#ifndef __arm__
+	__deregister_frame;
+#if !defined(__aarch64__) && !defined(__riscv)
+	__deregister_frame_info;
+	__deregister_frame_info_bases;
+#endif
+#endif
+	__divdi3;
+	__ffsdi2;
+	__fixdfdi;
+	__fixsfdi;
+	__fixunsdfdi;
+#ifndef __arm__
+	__fixunsdfsi;
+#endif
+	__fixunssfdi;
+#ifndef __arm__
+	__fixunssfsi;
+#endif
+#if defined(__amd64__) || defined(__i386__)
+	__fixunsxfdi;
+	__fixunsxfsi;
+	__fixxfdi;
+#endif
+	__floatdidf;
+	__floatdisf;
+#if defined(__amd64__) || defined(__i386__)
+	__floatdixf;
+#endif
+	__lshrdi3;
+	__moddi3;
+	__muldi3;
+	__mulvdi3;
+	__mulvsi3;
+	__negdi2;
+	__negvdi2;
+	__negvsi2;
+#ifndef __arm__
+	__register_frame;
+#if !defined(__aarch64__) && !defined(__riscv)
+	__register_frame_info;
+	__register_frame_info_bases;
+	__register_frame_info_table;
+	__register_frame_info_table_bases;
+	__register_frame_table;
+#endif
+#endif
+	__subvdi3;
+	__subvsi3;
+	__ucmpdi2;
+	__udivdi3;
+	__udivmoddi4;
+	__umoddi3;
+	_Unwind_DeleteException;
+	_Unwind_Find_FDE;
+	_Unwind_ForcedUnwind;
+	_Unwind_GetDataRelBase;
+	_Unwind_GetGR;
+	_Unwind_GetIP;
+	_Unwind_GetLanguageSpecificData;
+	_Unwind_GetRegionStart;
+	_Unwind_GetTextRelBase;
+	_Unwind_RaiseException;
+	_Unwind_Resume;
+	_Unwind_SetGR;
+	_Unwind_SetIP;
+
+#ifdef CRT_HAS_128BIT
+	__ashlti3;
+	__ashrti3;
+	__cmpti2;
+	__divti3;
+	__ffsti2;
+	__fixdfti;
+	__fixsfti;
+	__fixunsdfti;
+	__fixunssfti;
+	__floattidf;
+	__floattisf;
+	__lshrti3;
+	__modti3;
+	__multi3;
+	__negti2;
+	__ucmpti2;
+	__udivmodti4;
+	__udivti3;
+	__umodti3;
+#ifdef __amd64__
+	__fixunsxfti;
+	__fixxfti;
+	__floattixf;
+#endif
+#endif
+};
+
+GCC_3.3 {
+	_Unwind_FindEnclosingFunction;
+	_Unwind_GetCFA;
+	_Unwind_Resume_or_Rethrow;
+};
+
+GCC_3.3.1 {
+	__gcc_personality_v0;
+};
+
+GCC_3.4 {
+	__clzdi2;
+	__clzsi2;
+	__ctzdi2;
+	__ctzsi2;
+	__paritydi2;
+	__paritysi2;
+	__popcountdi2;
+	__popcountsi2;
+
+#ifdef CRT_HAS_128BIT
+	__clzti2;
+	__ctzti2;
+	__parityti2;
+	__popcountti2;
+#endif
+};
+
+GCC_3.4.2 {
+	__enable_execute_stack;
+};
+
+GCC_3.4.4 {
+#ifdef CRT_HAS_128BIT
+	__absvti2;
+	__addvti3;
+	__mulvti3;
+	__negvti2;
+	__subvti3;
+#endif
+};
+
+GCC_4.0.0 {
+	__divdc3;
+	__divsc3;
+#if defined(__amd64__) || defined(__i386__)
+	__divxc3;
+#endif
+	__muldc3;
+	__mulsc3;
+#if defined(__amd64__) || defined(__i386__)
+	__mulxc3;
+#endif
+	__powidf2;
+	__powisf2;
+#if defined(__amd64__) || defined(__i386__)
+	__powixf2;
+#endif
+};
+
+GCC_4.2.0 {
+	__floatundidf;
+	__floatundisf;
+#if defined(__amd64__) || defined(__i386__)
+	__floatundixf;
+#endif
+	_Unwind_GetIPInfo;
+
+#ifdef CRT_HAS_128BIT
+	__floatuntidf;
+	__floatuntisf;
+#ifdef __amd64__
+	__floatuntixf;
+#endif
+#endif
+};
+
+GCC_4.3.0 {
+	__bswapdi2;
+	__bswapsi2;
+};
+
+GCC_4.6.0 {
+#if defined(__aarch64__) || defined(__riscv)
+	__addtf3;
+	__cmptf2;
+	__divtf3;
+	__eqtf2;
+	__extenddftf2;
+	__extendsftf2;
+	__fixtfdi;
+	__fixtfsi;
+	__fixtfti;
+	__fixunstfdi;
+	__fixunstfsi;
+	__fixunstfti;
+	__floatditf;
+	__floatsitf;
+	__floattitf;
+	__floatunditf;
+	__floatunsitf;
+	__floatuntitf;
+	__getf2;
+	__gttf2;
+	__letf2;
+	__lttf2;
+	__multf3;
+	__netf2;
+	__subtf3;
+	__trunctfdf2;
+	__trunctfsf2;
+	__unordtf2;
+#endif
+#if defined(__amd64__)
+	__extendxftf2;
+	__trunctfxf2;
+#endif
+};
+
+GCC_7.0.0 {
+#ifdef __i386__
+	__divmoddi4;
+#endif
+};
diff --git a/lib/libgcc_s/SymbolDefault.map b/lib/libgcc_s/SymbolDefault.map
new file mode 100644
index 000000000000..8563b26efa18
--- /dev/null
+++ b/lib/libgcc_s/SymbolDefault.map
@@ -0,0 +1,6 @@
+/*
+ */
+/* _Unwind_Backtrace should be exported with different version on ARM */
+GCC_3.3 {
+	_Unwind_Backtrace;
+};
diff --git a/lib/libgcc_s/Versions.def b/lib/libgcc_s/Versions.def
new file mode 100644
index 000000000000..526387e055df
--- /dev/null
+++ b/lib/libgcc_s/Versions.def
@@ -0,0 +1,36 @@
+
+GCC_3.0 {
+};
+
+GCC_3.3 {
+} GCC_3.0;
+
+GCC_3.3.1 {
+} GCC_3.3;
+
+GCC_3.4 {
+} GCC_3.3.1;
+
+GCC_3.4.2 {
+} GCC_3.4;
+
+GCC_3.4.4 {
+} GCC_3.4.2;
+
+GCC_3.5 {
+} GCC_3.4.4;
+
+GCC_4.0.0 {
+} GCC_3.5;
+
+GCC_4.2.0 {
+} GCC_4.0.0;
+
+GCC_4.3.0 {
+} GCC_4.2.0;
+
+GCC_4.6.0 {
+} GCC_4.3.0;
+
+GCC_7.0.0 {
+} GCC_4.6.0;
diff --git a/lib/libgcc_s/arm/Symbol.map b/lib/libgcc_s/arm/Symbol.map
new file mode 100644
index 000000000000..ea0189eabaa0
--- /dev/null
+++ b/lib/libgcc_s/arm/Symbol.map
@@ -0,0 +1,85 @@
+/*
+ */
+
+GCC_3.5 {
+	__aeabi_cdcmple;
+	__aeabi_cdrcmple;
+	__aeabi_cfcmpeq;
+	__aeabi_cfcmple;
+	__aeabi_cfrcmple;
+	__aeabi_d2f;
+	__aeabi_d2h;
+/*	__aeabi_d2h_alt; */
+	__aeabi_d2iz;
+	__aeabi_d2lz;
+	__aeabi_d2uiz;
+	__aeabi_d2ulz;
+	__aeabi_dadd;
+	__aeabi_dcmpeq;
+	__aeabi_dcmpge;
+	__aeabi_dcmpgt;
+	__aeabi_dcmple;
+	__aeabi_dcmplt;
+	__aeabi_dcmpun;
+	__aeabi_ddiv;
+	__aeabi_dmul;
+	__aeabi_dneg;
+	__aeabi_drsub;
+	__aeabi_dsub;
+	__aeabi_f2d;
+	__aeabi_f2h;
+/*	__aeabi_f2h_alt; */
+	__aeabi_f2iz;
+	__aeabi_f2lz;
+	__aeabi_f2uiz;
+	__aeabi_f2ulz;
+	__aeabi_fadd;
+	__aeabi_fcmpeq;
+	__aeabi_fcmpge;
+	__aeabi_fcmpgt;
+	__aeabi_fcmple;
+	__aeabi_fcmplt;
+	__aeabi_fcmpun;
+	__aeabi_fdiv;
+	__aeabi_fmul;
+	__aeabi_fneg;
+	__aeabi_frsub;
+	__aeabi_fsub;
+	__aeabi_h2f;
+/*	__aeabi_h2f_alt; */
+	__aeabi_i2d;
+	__aeabi_i2f;
+	__aeabi_idiv;
+	__aeabi_idiv0;
+	__aeabi_idivmod;
+	__aeabi_l2d;
+	__aeabi_l2f;
+	__aeabi_lasr;
+	__aeabi_lcmp;
+	__aeabi_ldiv0;
+	__aeabi_ldivmod;
+	__aeabi_llsl;
+	__aeabi_llsr;
+	__aeabi_lmul;
+	__aeabi_ui2d;
+	__aeabi_ui2f;
+	__aeabi_uidiv;
+	__aeabi_uidivmod;
+	__aeabi_ul2d;
+	__aeabi_ul2f;
+	__aeabi_ulcmp;
+	__aeabi_uldivmod;
+
+	_Unwind_Complete;
+	_Unwind_VRS_Get;
+	_Unwind_VRS_Set;
+	_Unwind_VRS_Pop;
+	__aeabi_unwind_cpp_pr0;
+	__aeabi_unwind_cpp_pr1;
+	__aeabi_unwind_cpp_pr2;
+	__gnu_unwind_frame;
+};
+
+GCC_4.3.0 {
+	_Unwind_Backtrace;
+};