iOS: preliminary 64-bit archs support

mk/cfg/aarch64-apple-ios.mk

@@ -0,0 +1,36 @@
+# aarch64-apple-ios configuration
+CFG_SDK_NAME_aarch64-apple-ios := iphoneos
+CFG_SDK_ARCHS_aarch64-apple-ios := arm64
+ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
+CFG_IOS_SDK_aarch64-apple-ios := $(shell xcrun --show-sdk-path -sdk iphoneos 2>/dev/null)
+CFG_IOS_SDK_FLAGS_aarch64-apple-ios := -target aarch64-apple-darwin -isysroot $(CFG_IOS_SDK_aarch64-apple-ios) -mios-version-min=7.0 -arch arm64
+CC_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos clang)
+CXX_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
+CPP_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos clang++)
+AR_aarch64-apple-ios = $(shell xcrun -find -sdk iphoneos ar)
+endif
+CFG_LIB_NAME_aarch64-apple-ios = lib$(1).a
+CFG_LIB_GLOB_aarch64-apple-ios = lib$(1)-*.a
+CFG_LIB_SKIP_INSTALL_aarch64-apple-ios = 1 #lib$(1)-*.a
+CFG_STATIC_LIB_NAME_aarch64-apple-ios=lib$(1).a
+CFG_LIB_DSYM_GLOB_aarch64-apple-ios = lib$(1)-*.a.dSYM
+CFG_CFLAGS_aarch64-apple-ios := $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios)
+CFG_JEMALLOC_CFLAGS_aarch64-apple-ios := $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios)
+CFG_GCCISH_CFLAGS_aarch64-apple-ios := -Wall -Werror -fPIC $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios)
+CFG_GCCISH_CXXFLAGS_aarch64-apple-ios := -fno-rtti $(CFG_IOS_SDK_FLAGS_aarch64-apple-ios) -I$(CFG_IOS_SDK_aarch64-apple-ios)/usr/include/c++/4.2.1
+CFG_GCCISH_LINK_FLAGS_aarch64-apple-ios := -lpthread -syslibroot $(CFG_IOS_SDK_aarch64-apple-ios) -Wl,-no_compact_unwind
+CFG_GCCISH_DEF_FLAG_aarch64-apple-ios := -Wl,-exported_symbols_list,
+CFG_GCCISH_PRE_LIB_FLAGS_aarch64-apple-ios :=
+CFG_GCCISH_POST_LIB_FLAGS_aarch64-apple-ios :=
+CFG_DEF_SUFFIX_aarch64-apple-ios := .darwin.def
+CFG_LLC_FLAGS_aarch64-apple-ios := -mattr=+neon,+cyclone,+fp-armv8
+CFG_INSTALL_NAME_aarch64-apple-ios = -Wl,-install_name,@rpath/$(1)
+CFG_LIBUV_LINK_FLAGS_aarch64-apple-ios =
+CFG_EXE_SUFFIX_aarch64-apple-ios :=
+CFG_WINDOWSY_aarch64-apple-ios :=
+CFG_UNIXY_aarch64-apple-ios := 1
+CFG_PATH_MUNGE_aarch64-apple-ios := true
+CFG_LDPATH_aarch64-apple-ios :=
+CFG_RUN_aarch64-apple-ios = $(2)
+CFG_RUN_TARG_aarch64-apple-ios = $(call CFG_RUN_aarch64-apple-ios,,$(2))
+CFG_GNU_TRIPLE_aarch64-apple-ios := aarch64-apple-ios

mk/cfg/x86_64-apple-ios.mk

@@ -0,0 +1,36 @@
+# x86_64-apple-ios configuration
+CFG_SDK_NAME_x86_64-apple-ios := iphonesimulator
+CFG_SDK_ARCHS_x86_64-apple-ios := x86_64
+ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
+CFG_IOSSIM_SDK_x86_64-apple-ios := $(shell xcrun --show-sdk-path -sdk iphonesimulator 2>/dev/null)
+CFG_IOSSIM_FLAGS_x86_64-apple-ios := -m64 -target x86_64-apple-ios -isysroot $(CFG_IOSSIM_SDK_x86_64-apple-ios) -mios-simulator-version-min=7.0
+CC_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang)
+CXX_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang++)
+CPP_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator clang++)
+AR_x86_64-apple-ios = $(shell xcrun -find -sdk iphonesimulator ar)
+endif
+CFG_LIB_NAME_x86_64-apple-ios = lib$(1).a
+CFG_LIB_GLOB_x86_64-apple-ios = lib$(1)-*.a
+CFG_LIB_SKIP_INSTALL_x86_64-apple-ios = 1 #lib$(1)-*.a
+CFG_STATIC_LIB_NAME_x86_64-apple-ios=lib$(1).a
+CFG_LIB_DSYM_GLOB_x86_64-apple-ios = lib$(1)-*.a.dSYM
+CFG_CFLAGS_x86_64-apple-ios := $(CFG_IOSSIM_FLAGS_x86_64-apple-ios)
+CFG_JEMALLOC_CFLAGS_x86_64-apple-ios := $(CFG_IOSSIM_FLAGS_x86_64-apple-ios)
+CFG_GCCISH_CFLAGS_x86_64-apple-ios := -Wall -Werror -fPIC $(CFG_IOSSIM_FLAGS_x86_64-apple-ios)
+CFG_GCCISH_CXXFLAGS_x86_64-apple-ios := -fno-rtti $(CFG_IOSSIM_FLAGS_x86_64-apple-ios) -I$(CFG_IOSSIM_SDK_x86_64-apple-ios)/usr/include/c++/4.2.1
+CFG_GCCISH_LINK_FLAGS_x86_64-apple-ios := -lpthread -Wl,-no_compact_unwind -m64 -Wl,-syslibroot $(CFG_IOSSIM_SDK_x86_64-apple-ios)
+CFG_GCCISH_DEF_FLAG_x86_64-apple-ios := -Wl,-exported_symbols_list,
+CFG_GCCISH_PRE_LIB_FLAGS_x86_64-apple-ios :=
+CFG_GCCISH_POST_LIB_FLAGS_x86_64-apple-ios :=
+CFG_DEF_SUFFIX_x86_64-apple-ios := .darwin.def
+CFG_LLC_FLAGS_x86_64-apple-ios :=
+CFG_INSTALL_NAME_x86_64-apple-ios = -Wl,-install_name,@rpath/$(1)
+CFG_LIBUV_LINK_FLAGS_x86_64-apple-ios :=
+CFG_EXE_SUFFIX_x86_64-apple-ios :=
+CFG_WINDOWSY_x86_64-apple-ios :=
+CFG_UNIXY_x86_64-apple-ios := 1
+CFG_PATH_MUNGE_x86_64-apple-ios := true
+CFG_LDPATH_x86_64-apple-ios :=
+CFG_RUN_x86_64-apple-ios = $(2)
+CFG_RUN_TARG_x86_64-apple-ios = $(call CFG_RUN_x86_64-apple-ios,,$(2))
+CFG_GNU_TRIPLE_i386-apple-ios := x86_64-apple-ios

src/liblibc/lib.rs

@@ -1968,7 +1968,7 @@ pub mod types {
             }
         }
 
-        #[cfg(target_arch = "x86_64")]
+        #[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
         pub mod arch {
             pub mod c95 {
                 pub type c_char = i8;

src/librustc_back/target/aarch64_apple_ios.rs

@@ -0,0 +1,31 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use target::{Target, TargetOptions};
+use super::apple_ios_base::{opts, Arch};
+
+pub fn target() -> Target {
+    Target {
+        // reference layout: e-m:o-i64:64-i128:128-n32:64-S128
+        data_layout: "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-\
+                      i128:128-f32:32:32-f64:64:64-v64:64:64-v128:128:128-\
+                      a:0:64-n32:64-S128".to_string(),
+        llvm_target: "arm64-apple-ios".to_string(),
+        target_endian: "little".to_string(),
+        target_pointer_width: "64".to_string(),
+        arch: "aarch64".to_string(),
+        target_os: "ios".to_string(),
+        options: TargetOptions {
+            features: "+neon,+fp-armv8,+cyclone".to_string(),
+            eliminate_frame_pointer: false,
+            .. opts(Arch::Arm64)
+        },
+    }
+}

src/librustc_back/target/mod.rs

@@ -64,6 +64,7 @@ mod i386_apple_ios;
 mod arm_linux_androideabi;
 mod arm_unknown_linux_gnueabi;
 mod arm_unknown_linux_gnueabihf;
+mod aarch64_apple_ios;
 mod aarch64_unknown_linux_gnu;
 mod i686_apple_darwin;
 mod i686_pc_windows_gnu;
@@ -72,6 +73,7 @@ mod i686_unknown_linux_gnu;
 mod mips_unknown_linux_gnu;
 mod mipsel_unknown_linux_gnu;
 mod x86_64_apple_darwin;
+mod x86_64_apple_ios;
 mod x86_64_pc_windows_gnu;
 mod x86_64_unknown_freebsd;
 mod x86_64_unknown_dragonfly;
@@ -351,6 +353,8 @@ impl Target {
             i686_apple_darwin,
 
             i386_apple_ios,
+            x86_64_apple_ios,
+            aarch64_apple_ios,
             armv7_apple_ios,
             armv7s_apple_ios,
 

src/librustc_back/target/x86_64_apple_ios.rs

@@ -0,0 +1,26 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use target::Target;
+use super::apple_ios_base::{opts, Arch};
+
+pub fn target() -> Target {
+    Target {
+        data_layout: "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-\
+                      f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-\
+                      s0:64:64-f80:128:128-n8:16:32:64".to_string(),
+        llvm_target: "x86_64-apple-ios".to_string(),
+        target_endian: "little".to_string(),
+        target_pointer_width: "64".to_string(),
+        arch: "x86_64".to_string(),
+        target_os: "ios".to_string(),
+        options: opts(Arch::X86_64)
+    }
+}

src/libstd/sys/unix/sync.rs

@@ -61,19 +61,22 @@ mod os {
 mod os {
     use libc;
 
-    #[cfg(target_arch = "x86_64")]
+    #[cfg(any(target_arch = "x86_64",
+              target_arch = "aarch64"))]
     const __PTHREAD_MUTEX_SIZE__: uint = 56;
     #[cfg(any(target_arch = "x86",
               target_arch = "arm"))]
     const __PTHREAD_MUTEX_SIZE__: uint = 40;
 
-    #[cfg(target_arch = "x86_64")]
+    #[cfg(any(target_arch = "x86_64",
+              target_arch = "aarch64"))]
     const __PTHREAD_COND_SIZE__: uint = 40;
     #[cfg(any(target_arch = "x86",
               target_arch = "arm"))]
     const __PTHREAD_COND_SIZE__: uint = 24;
 
-    #[cfg(target_arch = "x86_64")]
+    #[cfg(any(target_arch = "x86_64",
+              target_arch = "aarch64"))]
     const __PTHREAD_RWLOCK_SIZE__: uint = 192;
     #[cfg(any(target_arch = "x86",
               target_arch = "arm"))]

src/rt/arch/aarch64/morestack.S

@@ -7,13 +7,29 @@
 
 /* See i386/morestack.S for the lengthy, general explanation. */
 
-.global rust_stack_exhausted
+#if defined(__APPLE__)
+#define MORESTACK ___morestack
+#define STACK_EXHAUSTED _rust_stack_exhausted
+#else
+#define MORESTACK __morestack
+#define STACK_EXHAUSTED rust_stack_exhausted
+#endif
+
+.global STACK_EXHAUSTED
+
+#if defined(__APPLE__)
+.private_extern MORESTACK
+#else
+.hidden MORESTACK
+#endif
+
+#if !defined(__APPLE__)
+.type MORESTACK,%function
+#endif
 
 // FIXME(AARCH64): this might not be perfectly right but works for now
-func	__morestack
+MORESTACK:
 	.cfi_startproc
-	bl rust_stack_exhausted
+	bl STACK_EXHAUSTED@plt
 	// the above function ensures that it never returns
 	.cfi_endproc
-endfunc	__morestack
-	.hidden __morestack