Break bionic implementations into arch versions.
Move arch specific code for arm, mips, x86 into separate
makefiles.
In addition, add different arm cpu versions of memcpy/memset.
Bug: 8005082
Merge from internal master (acdde8c1cf8e8beed98c052757d96695b820b50c).
Change-Id: I04f3d0715104fab618e1abf7cf8f7eec9bec79df
diff --git a/libc/arch-arm/arm.mk b/libc/arch-arm/arm.mk
new file mode 100644
index 0000000..2def30b
--- /dev/null
+++ b/libc/arch-arm/arm.mk
@@ -0,0 +1,36 @@
+_LIBC_ARCH_COMMON_SRC_FILES := \
+ arch-arm/bionic/abort_arm.S \
+ arch-arm/bionic/atomics_arm.c \
+ arch-arm/bionic/clone.S \
+ arch-arm/bionic/eabi.c \
+ arch-arm/bionic/_exit_with_stack_teardown.S \
+ arch-arm/bionic/ffs.S \
+ arch-arm/bionic/futex_arm.S \
+ arch-arm/bionic/__get_sp.S \
+ arch-arm/bionic/kill.S \
+ arch-arm/bionic/libgcc_compat.c \
+ arch-arm/bionic/memcmp16.S \
+ arch-arm/bionic/memcmp.S \
+ arch-arm/bionic/_setjmp.S \
+ arch-arm/bionic/setjmp.S \
+ arch-arm/bionic/sigsetjmp.S \
+ arch-arm/bionic/strcmp.S \
+ arch-arm/bionic/strcpy.S \
+ arch-arm/bionic/strlen.c.arm \
+ arch-arm/bionic/syscall.S \
+ arch-arm/bionic/tgkill.S \
+ arch-arm/bionic/tkill.S \
+
+# These are used by the static and dynamic versions of the libc
+# respectively.
+_LIBC_ARCH_STATIC_SRC_FILES := \
+ arch-arm/bionic/exidx_static.c
+
+_LIBC_ARCH_DYNAMIC_SRC_FILES := \
+ arch-arm/bionic/exidx_dynamic.c
+
+ifeq ($(strip $(wildcard bionic/libc/arch-arm/$(TARGET_CPU_VARIANT)/$(TARGET_CPU_VARIANT).mk)),)
+$(error "TARGET_CPU_VARIANT not set or set to an unknown value. Possible values are cortex-a9, cortex-a15, krait. Use generic for devices that do not have a CPU similar to any of the supported cpu variants.")
+endif
+
+include bionic/libc/arch-arm/$(TARGET_CPU_VARIANT)/$(TARGET_CPU_VARIANT).mk