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am c858b567: Merge "AArch64: Add initial support for AArch64"

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* commit 'c858b567ad20efa86652ffed7b7427a2c77709bd':
  AArch64: Add initial support for AArch64
This commit is contained in:
Elliott Hughes 2013-12-16 17:04:58 -08:00 committed by Android Git Automerger
commit 1a92f73999
28 changed files with 1761 additions and 15 deletions
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43
libc/Android.mk
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@ -506,6 +506,40 @@ libc_common_src_files += \
endif # x86_64 endif # x86_64
ifeq ($(TARGET_ARCH), aarch64)
#TODO: Replace C stubs with optimised assembly
libc_common_src_files += \
bionic/memchr.c \
bionic/memcmp.c \
bionic/memcpy.c \
bionic/memmove.c \
bionic/memrchr.c \
bionic/memset.c \
bionic/strchr.cpp \
bionic/strnlen.c \
string/bcopy.c \
string/index.c \
string/memcmp16.c \
string/strcat.c \
string/strcmp.c \
string/strcpy.c \
string/strlcat.c \
string/strlcpy.c \
string/strlen.c \
string/strncat.c \
string/strncmp.c \
string/strncpy.c \
string/strrchr.c \
upstream-freebsd/lib/libc/string/wcscat.c \
upstream-freebsd/lib/libc/string/wcschr.c \
upstream-freebsd/lib/libc/string/wcscmp.c \
upstream-freebsd/lib/libc/string/wcscpy.c \
upstream-freebsd/lib/libc/string/wcslen.c \
upstream-freebsd/lib/libc/string/wcsrchr.c \
upstream-freebsd/lib/libc/string/wmemcmp.c \
endif # aarch64
ifeq ($(TARGET_ARCH),arm) ifeq ($(TARGET_ARCH),arm)
ifeq ($(strip $(TARGET_CPU_VARIANT)),) ifeq ($(strip $(TARGET_CPU_VARIANT)),)
$(warning TARGET_ARCH is arm, but TARGET_CPU_VARIANT is not defined) $(warning TARGET_ARCH is arm, but TARGET_CPU_VARIANT is not defined)
@ -628,7 +662,7 @@ libc_common_c_includes := \
# which are needed to build all other objects (shared/static libs and # which are needed to build all other objects (shared/static libs and
# executables) # executables)
# ========================================================================== # ==========================================================================
# ARM, MIPS, and x86 all need crtbegin_so/crtend_so. # AArch64, ARM, MIPS, and x86 all need crtbegin_so/crtend_so.
# #
# For x86, the .init section must point to a function that calls all # For x86, the .init section must point to a function that calls all
# entries in the .ctors section. (on ARM this is done through the # entries in the .ctors section. (on ARM this is done through the
@ -641,6 +675,10 @@ libc_common_c_includes := \
libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin.c libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin.c
libc_crt_target_crtbegin_so_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin_so.c libc_crt_target_crtbegin_so_file := $(LOCAL_PATH)/arch-common/bionic/crtbegin_so.c
ifeq ($(TARGET_ARCH),aarch64)
libc_crt_target_so_cflags :=
libc_crt_target_crtbegin_file := $(LOCAL_PATH)/arch-$(TARGET_ARCH)/bionic/crtbegin.c
endif
ifeq ($(TARGET_ARCH),arm) ifeq ($(TARGET_ARCH),arm)
libc_crt_target_so_cflags := libc_crt_target_so_cflags :=
endif endif
@ -1065,6 +1103,8 @@ include $(BUILD_SHARED_LIBRARY)
# ======================================================== # ========================================================
# libc_malloc_debug_qemu.so # libc_malloc_debug_qemu.so
# ======================================================== # ========================================================
#TODO: We do not build this library for now
ifneq ($(TARGET_ARCH),aarch64)
include $(CLEAR_VARS) include $(CLEAR_VARS)
LOCAL_CFLAGS := \ LOCAL_CFLAGS := \
@ -1090,6 +1130,7 @@ LOCAL_MODULE_TAGS := eng debug
include $(BUILD_SHARED_LIBRARY) include $(BUILD_SHARED_LIBRARY)
endif #!aarch64
endif #!user endif #!user

14
libc/arch-aarch64/aarch64.mk Normal file
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@ -0,0 +1,14 @@
_LIBC_ARCH_COMMON_SRC_FILES := \
arch-aarch64/bionic/__bionic_clone.S \
arch-aarch64/bionic/bzero_aarch64.c \
arch-aarch64/bionic/cacheflush_aarch64.c \
arch-aarch64/bionic/_exit_with_stack_teardown.S \
arch-aarch64/bionic/futex_aarch64.S \
arch-aarch64/bionic/__get_sp.S \
arch-aarch64/bionic/__rt_sigreturn.S \
arch-aarch64/bionic/_setjmp.S \
arch-aarch64/bionic/setjmp.S \
arch-aarch64/bionic/__set_tls.c \
arch-aarch64/bionic/sigsetjmp.S \
arch-aarch64/bionic/syscall.S \
arch-aarch64/bionic/vfork.S \

63
libc/arch-aarch64/bionic/__bionic_clone.S Normal file
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@ -0,0 +1,63 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <private/bionic_asm.h>
// pid_t __bionic_clone(int flags, void* child_stack, pid_t* parent_tid, void* tls, pid_t* child_tid, int (*fn)(void*), void* arg);
ENTRY(__bionic_clone)
stp x29, x30, [sp, #-16]!
mov x29, sp
str x8, [sp, #-16]!
/* store thread pointer & args in child stack */
stp x5, x6, [x1, #-16]
/* sys_clone */
uxtw x0, w0
mov x8, __NR_clone
svc #0
/* check for child/parent */
cbz x0,1f
ldr x8, [sp], #16
ldp x29, x30, [sp], #16
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
/* thread initialization - set the end of the frame record chain */
1:
mov x29, xzr
ldp x0, x1, [sp, #-16]
b __bionic_clone_entry
END(__bionic_clone)

34
libc/arch-aarch64/bionic/__get_sp.S Normal file
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@ -0,0 +1,34 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
ENTRY(__get_sp)
mov x0, sp
ret
END(__get_sp)

35
libc/arch-aarch64/bionic/__rt_sigreturn.S Normal file
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@ -0,0 +1,35 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <asm/unistd.h>
#include <machine/asm.h>
ENTRY_PRIVATE(__rt_sigreturn)
mov x8, __NR_rt_sigreturn
svc #0
END(__rt_sigreturn)

31
libc/arch-aarch64/bionic/__set_tls.c Normal file
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@ -0,0 +1,31 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
void __set_tls(void* tls) {
asm("msr tpidr_el0, %0" : : "r" (tls));
}

43
libc/arch-aarch64/bionic/_exit_with_stack_teardown.S Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <asm/unistd.h>
#include <machine/asm.h>
// void _exit_with_stack_teardown(void* stackBase, size_t stackSize, int status)
ENTRY(_exit_with_stack_teardown)
mov w28, w2
mov w8, __NR_munmap
svc #0
// If munmap failed, we ignore the failure and exit anyway.
sxtw x0, w28
mov w8, __NR_exit
svc #0
// The exit syscall does not return.
END(_exit_with_stack_teardown)

111
libc/arch-aarch64/bionic/_setjmp.S Normal file
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@ -0,0 +1,111 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
#include <machine/setjmp.h>
/*
* C library - _setjmp, _longjmp
*
* _longjmp(jmp_buf state, int value)
* will generate a "return(v)" from the last call to _setjmp(state) by restoring
* registers from the stack. The previous signal state is NOT restored.
*
* NOTE: x0 return value
* x9-x15 temporary registers
*/
ENTRY(_setjmp)
/* store magic number */
ldr w9, .L_setjmp_magic
str w9, [x0, #(_JB_MAGIC * 4)]
/* store core registers */
mov x10, sp
stp x30, x10, [x0, #(_JB_CORE_BASE * 4 + 16 * 0)]
stp x28, x29, [x0, #(_JB_CORE_BASE * 4 + 16 * 1)]
stp x26, x27, [x0, #(_JB_CORE_BASE * 4 + 16 * 2)]
stp x24, x25, [x0, #(_JB_CORE_BASE * 4 + 16 * 3)]
stp x22, x23, [x0, #(_JB_CORE_BASE * 4 + 16 * 4)]
stp x20, x21, [x0, #(_JB_CORE_BASE * 4 + 16 * 5)]
str x19, [x0, #(_JB_CORE_BASE * 4 + 16 * 6)]
/* store floating point registers */
stp d14, d15, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 0)]
stp d12, d13, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 1)]
stp d10, d11, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 2)]
stp d8, d9, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 3)]
mov w0, wzr
ret
END(_setjmp)
.L_setjmp_magic:
.word _JB_MAGIC__SETJMP
ENTRY(_longjmp)
/* check magic */
ldr w9, .L_setjmp_magic
ldr w10, [x0, #(_JB_MAGIC * 4)]
cmp w9, w10
b.ne botch
/* restore core registers */
ldp x30, x10, [x0, #(_JB_CORE_BASE * 4 + 16 * 0)]
mov sp, x10
ldp x28, x29, [x0, #(_JB_CORE_BASE * 4 + 16 * 1)]
ldp x26, x27, [x0, #(_JB_CORE_BASE * 4 + 16 * 2)]
ldp x24, x25, [x0, #(_JB_CORE_BASE * 4 + 16 * 3)]
ldp x22, x23, [x0, #(_JB_CORE_BASE * 4 + 16 * 4)]
ldp x20, x21, [x0, #(_JB_CORE_BASE * 4 + 16 * 5)]
ldr x19, [x0, #(_JB_CORE_BASE * 4 + 16 * 6)]
/* restore floating point registers */
ldp d14, d15, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 0)]
ldp d12, d13, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 1)]
ldp d10, d11, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 2)]
ldp d8, d9, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 3)]
/* validate sp (sp mod 16 = 0) and lr (lr mod 4 = 0) */
tst x30, #3
b.ne botch
mov x10, sp
tst x10, #15
b.ne botch
/* set return value */
cmp w1, wzr
csinc w0, w1, wzr, ne
ret
/* validation failed, die die die */
botch:
bl PIC_SYM(_C_LABEL(longjmperror), PLT)
bl PIC_SYM(_C_LABEL(abort), PLT)
b . - 8 /* Cannot get here */
END(_longjmp)

33
libc/arch-aarch64/bionic/bzero_aarch64.c Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <string.h>
void bzero(void* s, size_t n) {
memset(s, '\0', n);
}

33
libc/arch-aarch64/bionic/cacheflush_aarch64.c Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* TODO: We can implement a specialised cacheflush() */
int cacheflush (long start, long end, long flags __attribute__((unused))) {
__builtin___clear_cache((char*) start, (char*) end);
return 0;
}

69
libc/arch-aarch64/bionic/crtbegin.c Normal file
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@ -0,0 +1,69 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "../../bionic/libc_init_common.h"
#include <stddef.h>
#include <stdint.h>
__attribute__ ((section (".preinit_array")))
void (*__PREINIT_ARRAY__)(void) = (void (*)(void)) -1;
__attribute__ ((section (".init_array")))
void (*__INIT_ARRAY__)(void) = (void (*)(void)) -1;
__attribute__ ((section (".fini_array")))
void (*__FINI_ARRAY__)(void) = (void (*)(void)) -1;
__LIBC_HIDDEN__ void do_aarch64_start(void* raw_args) {
structors_array_t array;
array.preinit_array = &__PREINIT_ARRAY__;
array.init_array = &__INIT_ARRAY__;
array.fini_array = &__FINI_ARRAY__;
__libc_init(raw_args, NULL, &main, &array);
}
/*
* Put the value of sp in x0 and call do_aarch64_init(). The latter will then
* then be able to access the stack as prepared by the kernel's execve system
* call (via the first argument).
*/
__asm__ (
" .text \n"
" .align 2 \n"
" .global _start \n"
" .hidden _start \n"
" .type _start, %function \n"
"_start: \n"
" add x0, sp, xzr \n"
" b do_aarch64_start \n"
" .size _start, .-_start \n"
);
#include "../../arch-common/bionic/__dso_handle.h"
#include "../../arch-common/bionic/atexit.h"

129
libc/arch-aarch64/bionic/futex_aarch64.S Normal file
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@ -0,0 +1,129 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <asm/unistd.h>
#include <linux/err.h>
#include <machine/asm.h>
#define FUTEX_WAIT 0
#define FUTEX_WAKE 1
/*
* Syscall interface for fast userspace locks
*
* int __futex_wait(volatile void *ftx, int val, const struct timespec *timeout);
* int __futex_wake(volatile void *ftx, int count);
* int __futex_syscall3(volatile void *ftx, int op, int val);
* int __futex_syscall4(volatile void *ftx, int op, int val, const struct timespec *timeout);
*/
ENTRY(__futex_syscall4)
/* create AArch64 PCS frame pointer */
stp x29, x30, [sp, #-16]!
mov x29, sp
/* store x8 */
str x8, [sp, #-16]!
/* syscall No. in x8 */
mov x8, __NR_futex
svc #0
/* restore x8 */
ldr x8, [sp], #16
ldp x29, x30, [sp], #16
/* check if syscall returned successfully */
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(__futex_syscall4)
ENTRY(__futex_syscall3)
/* __futex_syscall4 but with fewer arguments */
b __futex_syscall4
END(__futex_syscall3)
ENTRY(__futex_wait)
/* create AArch64 PCS frame pointer */
stp x29, x30, [sp, #-16]!
mov x29, sp
/* store x8 */
str x8, [sp, #-16]!
/* arange arguments as expected in the kernel side */
mov x3, x2
mov w2, w1
mov w1, #FUTEX_WAIT
/* syscall No. in X8 */
mov x8, __NR_futex
svc #0
/* restore x8 */
ldr x8, [sp], #16
ldp x29, x30, [sp], #16
/* check if syscall returned successfully */
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(__futex_wait)
ENTRY(__futex_wake)
/* create AArch64 PCS frame pointer */
stp x29, x30, [sp, #-16]!
mov x29, sp
/* store x8 */
str x8, [sp, #-16]!
/* arange arguments as expected in the kernel side */
mov w2, w1
mov w1, #FUTEX_WAIT
/* syscall No. in X8 */
mov x8, __NR_futex
svc #0
/* restore x8 */
ldr x8, [sp], #16
ldp x29, x30, [sp], #16
/* check if syscall returned successfully */
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(__futex_wake)

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libc/arch-aarch64/bionic/setjmp.S Normal file
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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
#include <machine/setjmp.h>
/*
* C library - _setjmp, _longjmp
*
* _longjmp(jmp_buf state, int value)
* will generate a "return(v)" from the last call to _setjmp(state) by restoring
* registers from the stack. The previous signal state is NOT restored.
*
* NOTE: x0 return value
* x9-x15 temporary registers
*/
ENTRY(setjmp)
/* block all signals an retrieve signal mask */
stp x0, x30, [sp, #-16]!
mov x0, xzr
bl PIC_SYM(_C_LABEL(sigblock), PLT)
mov w1, w0
ldp x0, x30, [sp], #16
/* store signal mask */
str w1, [x0, #(_JB_SIGMASK *4)]
/* store magic number */
ldr w9, .L_setjmp_magic
str w9, [x0, #(_JB_MAGIC * 4)]
/* store core registers */
mov x10, sp
stp x30, x10, [x0, #(_JB_CORE_BASE * 4 + 16 * 0)]
stp x28, x29, [x0, #(_JB_CORE_BASE * 4 + 16 * 1)]
stp x26, x27, [x0, #(_JB_CORE_BASE * 4 + 16 * 2)]
stp x24, x25, [x0, #(_JB_CORE_BASE * 4 + 16 * 3)]
stp x22, x23, [x0, #(_JB_CORE_BASE * 4 + 16 * 4)]
stp x20, x21, [x0, #(_JB_CORE_BASE * 4 + 16 * 5)]
str x19, [x0, #(_JB_CORE_BASE * 4 + 16 * 6)]
/* store floating point registers */
stp d14, d15, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 0)]
stp d12, d13, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 1)]
stp d10, d11, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 2)]
stp d8, d9, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 3)]
mov w0, wzr
ret
END(setjmp)
.L_setjmp_magic:
.word _JB_MAGIC__SETJMP
ENTRY(longjmp)
/* check magic */
ldr w9, .L_setjmp_magic
ldr w10, [x0, #(_JB_MAGIC * 4)]
cmp w9, w10
b.ne botch
/* restore core registers */
ldp x30, x10, [x0, #(_JB_CORE_BASE * 4 + 16 * 0)]
mov sp, x10
ldp x28, x29, [x0, #(_JB_CORE_BASE * 4 + 16 * 1)]
ldp x26, x27, [x0, #(_JB_CORE_BASE * 4 + 16 * 2)]
ldp x24, x25, [x0, #(_JB_CORE_BASE * 4 + 16 * 3)]
ldp x22, x23, [x0, #(_JB_CORE_BASE * 4 + 16 * 4)]
ldp x20, x21, [x0, #(_JB_CORE_BASE * 4 + 16 * 5)]
ldr x19, [x0, #(_JB_CORE_BASE * 4 + 16 * 6)]
/* restore floating point registers */
ldp d14, d15, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 0)]
ldp d12, d13, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 1)]
ldp d10, d11, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 2)]
ldp d8, d9, [x0, #(_JB_FLOAT_BASE * 4 + 16 * 3)]
/* validate sp (sp mod 16 = 0) and lr (lr mod 4 = 0) */
tst x30, #3
b.ne botch
mov x10, sp
tst x10, #15
b.ne botch
/* set return value */
cmp w1, wzr
csinc w0, w1, wzr, ne
ret
/* validation failed, die die die */
botch:
bl PIC_SYM(_C_LABEL(longjmperror), PLT)
bl PIC_SYM(_C_LABEL(abort), PLT)
b . - 8 /* Cannot get here */
END(longjmp)

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libc/arch-aarch64/bionic/sigsetjmp.S Normal file
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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
#include <machine/setjmp.h>
/*
* int sigsetjmp(sigjmp_buf env, int savesigs);
* void siglongjmp(sigjmp_buf env, int val);
*/
ENTRY(sigsetjmp)
cbz w1, PIC_SYM(_C_LABEL(_setjmp), PLT)
b PIC_SYM(_C_LABEL(setjmp), PLT)
END(sigsetjmp)
.L_setjmp_magic:
.word _JB_MAGIC__SETJMP
ENTRY(siglongjmp)
ldr w2, .L_setjmp_magic
ldr w3, [x0]
cmp w2, w3
b.eq PIC_SYM(_C_LABEL(_longjmp), PLT)
b PIC_SYM(_C_LABEL(longjmp), PLT)
END(siglongjmp)

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libc/arch-aarch64/bionic/syscall.S Normal file
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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <linux/err.h>
#include <machine/asm.h>
ENTRY(syscall)
/* create AAPCS frame pointer */
stp x29, x30, [sp, #-16]!
mov x29, sp
/* store x8 */
str x8, [sp, #-16]!
/* Move syscall No. from x0 to x8 */
mov x8, x0
/* Move syscall parameters from x1 thru x6 to x0 thru x5 */
mov x0, x1
mov x1, x2
mov x2, x3
mov x3, x4
mov x4, x5
mov x5, x6
svc #0
/* restore x8 */
ldr x8, [sp], #16
ldp x29, x30, [sp], #16
/* check if syscall returned successfully */
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(syscall)

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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <asm/unistd.h>
#include <linux/err.h>
#include <machine/asm.h>
ENTRY(vfork)
mov x0, #0x4111 /* CLONE_VM | CLONE_VFORK | SIGCHLD */
mov x1, xzr
mov x2, xzr
mov x3, xzr
mov x4, xzr
str x8, [sp, #-16]!
mov x8, __NR_clone
svc #0
ldr x8, [sp], #16
/* check if syscall returned successfully */
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(vfork)

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/* $OpenBSD: _types.h,v 1.3 2006/02/14 18:12:58 miod Exp $ */
/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)types.h 8.3 (Berkeley) 1/5/94
* @(#)ansi.h 8.2 (Berkeley) 1/4/94
*/
#ifndef _AARCH64__TYPES_H_
#define _AARCH64__TYPES_H_
/* 7.18.1.1 Exact-width integer types */
typedef __signed char __int8_t;
typedef unsigned char __uint8_t;
typedef short __int16_t;
typedef unsigned short __uint16_t;
typedef int __int32_t;
typedef unsigned int __uint32_t;
typedef long __int64_t;
typedef unsigned long __uint64_t;
/* 7.18.1.2 Minimum-width integer types */
typedef __int8_t __int_least8_t;
typedef __uint8_t __uint_least8_t;
typedef __int16_t __int_least16_t;
typedef __uint16_t __uint_least16_t;
typedef __int32_t __int_least32_t;
typedef __uint32_t __uint_least32_t;
typedef __int64_t __int_least64_t;
typedef __uint64_t __uint_least64_t;
/* 7.18.1.3 Fastest minimum-width integer types */
typedef __int32_t __int_fast8_t;
typedef __uint32_t __uint_fast8_t;
typedef __int32_t __int_fast16_t;
typedef __uint32_t __uint_fast16_t;
typedef __int32_t __int_fast32_t;
typedef __uint32_t __uint_fast32_t;
typedef __int64_t __int_fast64_t;
typedef __uint64_t __uint_fast64_t;
/* 7.18.1.4 Integer types capable of holding object pointers */
typedef int __intptr_t;
typedef unsigned int __uintptr_t;
/* 7.18.1.5 Greatest-width integer types */
typedef __int64_t __intmax_t;
typedef __uint64_t __uintmax_t;
/* Register size */
typedef __int64_t __register_t;
/* VM system types */
typedef unsigned long __vaddr_t;
typedef unsigned long __paddr_t;
typedef unsigned long __vsize_t;
typedef unsigned long __psize_t;
/* Standard system types */
typedef long __clock_t;
typedef int __clockid_t;
typedef double __double_t;
typedef float __float_t;
typedef long __ptrdiff_t;
typedef long __time_t;
typedef int __timer_t;
#if defined(__GNUC__) && __GNUC__ >= 3
typedef __builtin_va_list __va_list;
#else
typedef char * __va_list;
#endif
/* Wide character support types */
#ifndef __cplusplus
typedef int __wchar_t;
#endif
typedef int __wint_t;
typedef int __rune_t;
typedef void * __wctrans_t;
typedef void * __wctype_t;
#define _BYTE_ORDER _LITTLE_ENDIAN
#endif /* _AARCH64__TYPES_H_ */

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/* $OpenBSD: asm.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
/* $NetBSD: asm.h,v 1.4 2001/07/16 05:43:32 matt Exp $ */
/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)asm.h 5.5 (Berkeley) 5/7/91
*/
#ifndef _AARCH64_ASM_H_
#define _AARCH64_ASM_H_
/* TODO: Add cfi directives for creating/restoring FP */
#ifdef __ELF__
# define _C_LABEL(x) x
#else
# ifdef __STDC__
# define _C_LABEL(x) _ ## x
# else
# define _C_LABEL(x) _/**/x
# endif
#endif
#define _ASM_LABEL(x) x
#ifdef __STDC__
# define __CONCAT(x,y) x ## y
# define __STRING(x) #x
#else
# define __CONCAT(x,y) x/**/y
# define __STRING(x) "x"
#endif
#ifndef _ALIGN_TEXT
# define _ALIGN_TEXT .align 0
#endif
#define _ASM_TYPE_FUNCTION %function
#define _ASM_TYPE_OBJECT %object
#define _ENTRY(x) \
.text; _ALIGN_TEXT; .globl x; .type x,_ASM_TYPE_FUNCTION; x: .cfi_startproc
#define _ASM_SIZE(x) .size x, .-x;
#define _END(x) \
.cfi_endproc; \
_ASM_SIZE(x)
#define ENTRY(y) _ENTRY(_C_LABEL(y));
#define ENTRY_NP(y) _ENTRY(_C_LABEL(y))
#define END(y) _END(_C_LABEL(y))
#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
#define ASENTRY_NP(y) _ENTRY(_ASM_LABEL(y))
#define ASEND(y) _END(_ASM_LABEL(y))
#ifdef __ELF__
#define ENTRY_PRIVATE(y) ENTRY(y); .hidden _C_LABEL(y)
#else
#define ENTRY_PRIVATE(y) ENTRY(y)
#endif
#define ASMSTR .asciz
#if defined(__ELF__) && defined(PIC)
#ifdef __STDC__
#define PIC_SYM(x,y) x ## ( ## y ## )
#else
#define PIC_SYM(x,y) x/**/(/**/y/**/)
#endif
#else
#define PIC_SYM(x,y) x
#endif
#ifdef __ELF__
#define RCSID(x) .section ".ident"; .asciz x
#else
#define RCSID(x) .text; .asciz x
#endif
#ifdef __ELF__
#define WEAK_ALIAS(alias,sym) \
.weak alias; \
alias = sym
#endif
#ifdef __STDC__
#define WARN_REFERENCES(sym,msg) \
.stabs msg ## ,30,0,0,0 ; \
.stabs __STRING(_C_LABEL(sym)) ## ,1,0,0,0
#elif defined(__ELF__)
#define WARN_REFERENCES(sym,msg) \
.stabs msg,30,0,0,0 ; \
.stabs __STRING(sym),1,0,0,0
#else
#define WARN_REFERENCES(sym,msg) \
.stabs msg,30,0,0,0 ; \
.stabs __STRING(_/**/sym),1,0,0,0
#endif /* __STDC__ */
#endif /* _AARCH64_ASM_H_ */

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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _AARCH64_ELF_MACHDEP_H_
#define _AARCH64_ELF_MACHDEP_H_
#if defined(__AARCH64EB__)
#define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB
#else
#define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB
#endif
#define ELF64_MACHDEP_ID_CASES \
case EM_AARCH64: \
break;
#define ELF64_MACHDEP_ID EM_AARCH64
#define ARCH_ELFSIZE 64 /* MD native binary size */
/* Null relocations */
#define R_ARM_NONE 0
#define R_AARCH64_NONE 256
/* Static Data relocations */
#define R_AARCH64_ABS64 257
#define R_AARCH64_ABS32 258
#define R_AARCH64_ABS16 259
#define R_AARCH64_PREL64 260
#define R_AARCH64_PREL32 261
#define R_AARCH64_PREL16 262
#define R_AARCH64_MOVW_UABS_G0 263
#define R_AARCH64_MOVW_UABS_G0_NC 264
#define R_AARCH64_MOVW_UABS_G1 265
#define R_AARCH64_MOVW_UABS_G1_NC 266
#define R_AARCH64_MOVW_UABS_G2 267
#define R_AARCH64_MOVW_UABS_G2_NC 268
#define R_AARCH64_MOVW_UABS_G3 269
#define R_AARCH64_MOVW_SABS_G0 270
#define R_AARCH64_MOVW_SABS_G1 271
#define R_AARCH64_MOVW_SABS_G2 272
/* PC-relative addresses */
#define R_AARCH64_LD_PREL_LO19 273
#define R_AARCH64_ADR_PREL_LO21 274
#define R_AARCH64_ADR_PREL_PG_HI21 275
#define R_AARCH64_ADR_PREL_PG_HI21_NC 276
#define R_AARCH64_ADD_ABS_LO12_NC 277
#define R_AARCH64_LDST8_ABS_LO12_NC 278
/* Control-flow relocations */
#define R_AARCH64_TSTBR14 279
#define R_AARCH64_CONDBR19 280
#define R_AARCH64_JUMP26 282
#define R_AARCH64_CALL26 283
#define R_AARCH64_LDST16_ABS_LO12_NC 284
#define R_AARCH64_LDST32_ABS_LO12_NC 285
#define R_AARCH64_LDST64_ABS_LO12_NC 286
#define R_AARCH64_LDST128_ABS_LO12_NC 299
#define R_AARCH64_MOVW_PREL_G0 287
#define R_AARCH64_MOVW_PREL_G0_NC 288
#define R_AARCH64_MOVW_PREL_G1 289
#define R_AARCH64_MOVW_PREL_G1_NC 290
#define R_AARCH64_MOVW_PREL_G2 291
#define R_AARCH64_MOVW_PREL_G2_NC 292
#define R_AARCH64_MOVW_PREL_G3 293
/* Dynamic relocations */
#define R_AARCH64_COPY 1024
#define R_AARCH64_GLOB_DAT 1025 /* Create GOT entry. */
#define R_AARCH64_JUMP_SLOT 1026 /* Create PLT entry. */
#define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */
#define R_AARCH64_TLS_TPREL64 1030
#define R_AARCH64_TLS_DTPREL32 1031
#define R_TYPE(name) __CONCAT(R_AARCH64_,name)
#endif /* _AARCH64_ELF_MACHDEP_H_ */

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/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _AARCH64_ENDIAN_H_
#define _AARCH64_ENDIAN_H_
#include <sys/types.h>
#include <sys/endian.h>
#ifdef __GNUC__
#define __swap16md(x) ({ \
register u_int16_t _x = (x); \
__asm volatile ("rev16 %0, %0" : "+r" (_x)); \
_x; \
})
/* Use GCC builtins */
#define __swap32md(x) __builtin_bswap32(x)
#define __swap64md(x) __builtin_bswap64(x)
/* Tell sys/endian.h we have MD variants of the swap macros. */
#define MD_SWAP
#endif /* __GNUC__ */
#if defined(__AARCH64EB__)
#define _BYTE_ORDER _BIG_ENDIAN
#else
#define _BYTE_ORDER _LITTLE_ENDIAN
#endif
#endif /* _AARCH64_ENDIAN_H_ */

50
libc/arch-aarch64/include/machine/exec.h Normal file
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@ -0,0 +1,50 @@
/* $OpenBSD: exec.h,v 1.9 2003/04/17 03:42:14 drahn Exp $ */
/* $NetBSD: exec.h,v 1.6 1994/10/27 04:16:05 cgd Exp $ */
/*
* Copyright (c) 1993 Christopher G. Demetriou
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AARCH64_EXEC_H_
#define _AARCH64_EXEC_H_
#define __LDPGSZ 4096
#define NATIVE_EXEC_ELF
#define ARCH_ELFSIZE 64
#define ELF_TARG_CLASS ELFCLASS64 /* 64-bit objects */
#define ELF_TARG_DATA ELFDATA2LSB
#define ELF_TARG_MACH EM_AARCH64
#define _NLIST_DO_AOUT
#define _NLIST_DO_ELF
#define _KERN_DO_AOUT
#define _KERN_DO_ELF64
#endif /* _AARCH64_EXEC_H_ */

191
libc/arch-aarch64/include/machine/ieee.h Normal file
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@ -0,0 +1,191 @@
/* $OpenBSD: ieee.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
/* $NetBSD: ieee.h,v 1.2 2001/02/21 17:43:50 bjh21 Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)ieee.h 8.1 (Berkeley) 6/11/93
*/
/*
* ieee.h defines the machine-dependent layout of the machine's IEEE
* floating point.
*/
/*
* Define the number of bits in each fraction and exponent.
*
* k k+1
* Note that 1.0 x 2 == 0.1 x 2 and that denorms are represented
*
* (-exp_bias+1)
* as fractions that look like 0.fffff x 2 . This means that
*
* -126
* the number 0.10000 x 2 , for instance, is the same as the normalized
*
* -127 -128
* float 1.0 x 2 . Thus, to represent 2 , we need one leading zero
*
* -129
* in the fraction; to represent 2 , we need two, and so on. This
*
* (-exp_bias-fracbits+1)
* implies that the smallest denormalized number is 2
*
* for whichever format we are talking about: for single precision, for
*
* -126 -149
* instance, we get .00000000000000000000001 x 2 , or 1.0 x 2 , and
*
* -149 == -127 - 23 + 1.
*/
/*
* The ARM has two sets of FP data formats. The FPA supports 32-bit, 64-bit
* and 96-bit IEEE formats, with the words in big-endian order. VFP supports
* 32-bin and 64-bit IEEE formats with the words in the CPU's native byte
* order.
*
* The FPA also has two packed decimal formats, but we ignore them here.
*/
#define SNG_EXPBITS 8
#define SNG_FRACBITS 23
#define DBL_EXPBITS 11
#define DBL_FRACBITS 52
#ifndef __VFP_FP__
#define E80_EXPBITS 15
#define E80_FRACBITS 64
#define EXT_EXPBITS 15
#define EXT_FRACBITS 112
#endif
struct ieee_single {
u_int sng_frac:23;
u_int sng_exponent:8;
u_int sng_sign:1;
};
#ifdef __VFP_FP__
struct ieee_double {
#ifdef __AARCH64EB__
u_int dbl_sign:1;
u_int dbl_exp:11;
u_int dbl_frach:20;
u_int dbl_fracl;
#else /* !__AARCH64EB__ */
u_int dbl_fracl;
u_int dbl_frach:20;
u_int dbl_exp:11;
u_int dbl_sign:1;
#endif /* !__AARCH64EB__ */
};
#else /* !__VFP_FP__ */
struct ieee_double {
u_int dbl_frach:20;
u_int dbl_exp:11;
u_int dbl_sign:1;
u_int dbl_fracl;
};
union ieee_double_u {
double dblu_d;
struct ieee_double dblu_dbl;
};
struct ieee_e80 {
u_int e80_exp:15;
u_int e80_zero:16;
u_int e80_sign:1;
u_int e80_frach:31;
u_int e80_j:1;
u_int e80_fracl;
};
struct ieee_ext {
u_int ext_frach:16;
u_int ext_exp:15;
u_int ext_sign:1;
u_int ext_frachm;
u_int ext_fraclm;
u_int ext_fracl;
};
#endif /* !__VFP_FP__ */
/*
* Floats whose exponent is in [1..INFNAN) (of whatever type) are
* `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
* Floats whose exponent is zero are either zero (iff all fraction
* bits are zero) or subnormal values.
*
* A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
* high fraction; if the bit is set, it is a `quiet NaN'.
*/
#define SNG_EXP_INFNAN 255
#define DBL_EXP_INFNAN 2047
#ifndef __VFP_FP__
#define E80_EXP_INFNAN 32767
#define EXT_EXP_INFNAN 32767
#endif /* !__VFP_FP__ */
#if 0
#define SNG_QUIETNAN (1 << 22)
#define DBL_QUIETNAN (1 << 19)
#ifndef __VFP_FP__
#define E80_QUIETNAN (1 << 15)
#define EXT_QUIETNAN (1 << 15)
#endif /* !__VFP_FP__ */
#endif
/*
* Exponent biases.
*/
#define SNG_EXP_BIAS 127
#define DBL_EXP_BIAS 1023
#ifndef __VFP_FP__
#define E80_EXP_BIAS 16383
#define EXT_EXP_BIAS 16383
#endif /* !__VFP_FP__ */

44
libc/arch-aarch64/include/machine/kernel.h Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _ARCH_AARCH64_KERNEL_H
#define _ARCH_AARCH64_KERNEL_H
/* this file contains kernel-specific definitions that were optimized out of
our processed kernel headers, but still useful nonetheless... */
typedef unsigned long __kernel_blkcnt_t;
typedef unsigned long __kernel_blksize_t;
/* these aren't really defined by the kernel headers though... */
typedef unsigned long __kernel_fsblkcnt_t;
typedef unsigned long __kernel_fsfilcnt_t;
typedef unsigned int __kernel_id_t;
#endif /* _ARCH_ARM_KERNEL_H */

62
libc/arch-aarch64/include/machine/limits.h Normal file
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@ -0,0 +1,62 @@
/* $OpenBSD: limits.h,v 1.3 2006/01/06 22:48:46 millert Exp $ */
/* $NetBSD: limits.h,v 1.4 2003/04/28 23:16:18 bjh21 Exp $ */
/*
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)limits.h 7.2 (Berkeley) 6/28/90
*/
#ifndef _AARCH64_LIMITS_H_
#define _AARCH64_LIMITS_H_
#include <sys/cdefs.h>
#define MB_LEN_MAX 1 /* no multibyte characters */
#define LONGLONG_BIT 64
#define LONGLONG_MIN (-9223372036854775807LL-1)
#define LONGLONG_MAX 9223372036854775807LL
#define ULONGLONG_MAX 18446744073709551615ULL
#ifndef SIZE_MAX
#define SIZE_MAX ULONGLONG_MAX /* max value for a size_t */
#endif
#ifndef SSIZE_MAX
#define SSIZE_MAX LONGLONG_MAX /* max value for a ssize_t */
#endif
#if __BSD_VISIBLE
#define SIZE_T_MAX ULONG_MAX /* max value for a size_t (historic) */
#define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */
#define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */
#define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */
#endif /* __BSD_VISIBLE */
#endif /* _AARCH64_LIMITS_H_ */

73
libc/arch-aarch64/include/machine/setjmp.h Normal file
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@ -0,0 +1,73 @@
/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* machine/setjmp.h: machine dependent setjmp-related information.
*/
/* _JBLEN is the size of a jmp_buf in longs(64bit on AArch64) */
#define _JBLEN 32
/* According to AARCH64 PCS document we need to save the following
* registers:
*
* Core x19 - x30, sp (see section 5.1.1)
* VFP d8 - d15 (see section 5.1.2)
*
* NOTE: All the registers saved here will have 64bit vales (except FPSR).
* AAPCS mandates that the higher part of q registers does not need to
* be saveved by the callee.
*/
/* The structure of jmp_buf for AArch64:
*
* NOTE: _JBLEN is the size of jmp_buf in longs(64bit on AArch64)! The table
* below computes the offsets in words(32bit).
*
* word name description
* 0 magic magic number
* 1 sigmask signal mask (not used with _setjmp / _longjmp)
* 2 core_base base of core registers (x19-x30, sp)
* 28 float_base base of float registers (d8-d15)
* 44 reserved reserved entries (room to grow)
* 64
*
*
* NOTE: The instructions that load/store core/vfp registers expect 8-byte
* alignment. Contrary to the previous setjmp header for ARM we do not
* need to save status/control registers for VFP (it is not a
* requirement for setjmp).
*/
#define _JB_MAGIC 0
#define _JB_SIGMASK (_JB_MAGIC+1)
#define _JB_CORE_BASE (_JB_SIGMASK+1)
#define _JB_FLOAT_BASE (_JB_CORE_BASE + (31-19+1)*2)
#define _JB_MAGIC__SETJMP 0x53657200
#define _JB_MAGIC_SETJMP 0x53657201

4
libc/arch-common/bionic/__dso_handle.h
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@ -30,5 +30,9 @@
#ifndef CRT_LEGACY_WORKAROUND #ifndef CRT_LEGACY_WORKAROUND
__attribute__ ((visibility ("hidden"))) __attribute__ ((visibility ("hidden")))
#endif #endif
#ifdef __aarch64__
__attribute__ ((section (".data")))
#else
__attribute__ ((section (".bss"))) __attribute__ ((section (".bss")))
#endif
void *__dso_handle = (void *) 0; void *__dso_handle = (void *) 0;

4
libc/arch-common/bionic/__dso_handle_so.h
View File

@ -29,4 +29,8 @@
__attribute__ ((visibility ("hidden"))) __attribute__ ((visibility ("hidden")))
__attribute__ ((section (".data"))) __attribute__ ((section (".data")))
#ifdef __aarch64__
void *__dso_handle = (void *) 0;
#else
void *__dso_handle = &__dso_handle; void *__dso_handle = &__dso_handle;
#endif

19
libc/private/__get_tls.h
View File

@ -29,11 +29,10 @@
#ifndef __BIONIC_PRIVATE_GET_TLS_H_ #ifndef __BIONIC_PRIVATE_GET_TLS_H_
#define __BIONIC_PRIVATE_GET_TLS_H_ #define __BIONIC_PRIVATE_GET_TLS_H_
#if defined(__arm__) #if defined(__aarch64__)
# define __get_tls() \ # define __get_tls() ({ void** __val; __asm__("mrs %0, tpidr_el0" : "=r"(__val)); __val; })
({ void** __val; \ #elif defined(__arm__)
__asm__("mrc p15, 0, %0, c13, c0, 3" : "=r"(__val)); \ # define __get_tls() ({ void** __val; __asm__("mrc p15, 0, %0, c13, c0, 3" : "=r"(__val)); __val; })
__val; })
#elif defined(__mips__) #elif defined(__mips__)
# define __get_tls() \ # define __get_tls() \
/* On mips32r1, this goes via a kernel illegal instruction trap that's optimized for v1. */ \ /* On mips32r1, this goes via a kernel illegal instruction trap that's optimized for v1. */ \
@ -44,15 +43,9 @@
".set pop\n" : "=r"(__val)); \ ".set pop\n" : "=r"(__val)); \
__val; }) __val; })
#elif defined(__i386__) #elif defined(__i386__)
# define __get_tls() \ # define __get_tls() ({ void** __val; __asm__("movl %%gs:0, %0" : "=r"(__val)); __val; })
({ void** __val; \
__asm__("movl %%gs:0, %0" : "=r"(__val)); \
__val; })
#elif defined(__x86_64__) #elif defined(__x86_64__)
# define __get_tls() \ # define __get_tls() ({ void** __val; __asm__("mov %%fs:0, %0" : "=r"(__val)); __val; })
({ void** __val; \
__asm__("mov %%fs:0, %0" : "=r"(__val)); \
__val; })
#else #else
#error unsupported architecture #error unsupported architecture
#endif #endif