Index: gdb/Makefile.in
--- gdb/Makefile.in.orig
+++ gdb/Makefile.in
@@ -651,6 +651,7 @@ ALL_64_TARGET_OBS = \
 	aarch64-fbsd-tdep.o \
 	aarch64-linux-tdep.o \
 	aarch64-newlib-tdep.o \
+	aarch64-obsd-tdep.o \
 	aarch64-ravenscar-thread.o \
 	aarch64-tdep.o \
 	alpha-bsd-tdep.o \
@@ -675,6 +676,7 @@ ALL_64_TARGET_OBS = \
 	ia64-tdep.o \
 	ia64-vms-tdep.o \
 	mips64-obsd-tdep.o \
+	riscv-obsd-tdep.o \
 	sparc64-fbsd-tdep.o \
 	sparc64-linux-tdep.o \
 	sparc64-nbsd-tdep.o \
@@ -1381,6 +1383,7 @@ HFILES_NO_SRCDIR = \
 	remote-notif.h \
 	riscv-fbsd-tdep.h \
 	riscv-tdep.h \
+	riscv-obsd-tdep.h \
 	rs6000-aix-tdep.h \
 	rs6000-tdep.h \
 	run-on-main-thread.h \
@@ -2157,6 +2160,8 @@ ALLDEPFILES = \
 	aarch64-linux-nat.c \
 	aarch64-linux-tdep.c \
 	aarch64-newlib-tdep.c \
+	aarch64-obsd-nat.c \
+	aarch64-obsd-tdep.c \
 	aarch64-ravenscar-thread.c \
 	aarch64-tdep.c \
 	aix-thread.c \
@@ -2300,6 +2305,8 @@ ALLDEPFILES = \
 	riscv-linux-nat.c \
 	riscv-linux-tdep.c \
 	riscv-tdep.c \
+	riscv-obsd-nat.c \
+	riscv-obsd-tdep.c \
 	rl78-tdep.c \
 	rs6000-lynx178-tdep.c \
 	rs6000-nat.c \