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Add the start of libc and libstand for arm64. Not all of the machine

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dependent functions have been implemented, but this is enough for world.

Differential Revision:	https://reviews.freebsd.org/D2132
Reviewed by:	emaste
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2015-04-07 09:52:14 +00:00
parent 9df9c6bc0d
commit d422e6f9b5
26 changed files with 1029 additions and 5 deletions
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3
lib/libc/Makefile
View File

@ -79,7 +79,8 @@ NOASM=
.include "${LIBC_SRCTOP}/net/Makefile.inc"
.include "${LIBC_SRCTOP}/nls/Makefile.inc"
.include "${LIBC_SRCTOP}/posix1e/Makefile.inc"
.if ${LIBC_ARCH} != "amd64" && \
.if ${LIBC_ARCH} != "aarch64" && \
${LIBC_ARCH} != "amd64" && \
${LIBC_ARCH} != "powerpc64" && \
${LIBC_ARCH} != "sparc64" && \
${MACHINE_ARCH:Mmipsn32*} == "" && \

4
lib/libc/aarch64/Makefile.inc
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@ -3,3 +3,7 @@
# Machine dependent definitions for the arm 64-bit architecture.
#
# Long double is quad precision
GDTOASRCS+=strtorQ.c
MDSRCS+=machdep_ldisQ.c
SYM_MAPS+=${LIBC_SRCTOP}/aarch64/Symbol.map

63
lib/libc/aarch64/SYS.h Normal file
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@ -0,0 +1,63 @@
/*-
* Copyright (c) 2014 Andrew Turner
* Copyright (c) 2015 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/syscall.h>
#include <machine/asm.h>
#define _SYSCALL(name) \
mov x8, SYS_ ## name; \
svc 0
#define SYSCALL(name) \
ENTRY(__sys_##name); \
WEAK_REFERENCE(__sys_##name, name); \
WEAK_REFERENCE(__sys_##name, _##name); \
_SYSCALL(name); \
ret; \
END(__sys_##name)
#define PSEUDO(name) \
ENTRY(__sys_##name); \
WEAK_REFERENCE(__sys_##name, _##name); \
_SYSCALL(name); \
b.cs cerror; \
ret; \
END(__sys_##name)
#define RSYSCALL(name) \
ENTRY(__sys_##name); \
WEAK_REFERENCE(__sys_##name, name); \
WEAK_REFERENCE(__sys_##name, _##name); \
_SYSCALL(name); \
b.cs cerror; \
ret; \
END(__sys_##name)

29
lib/libc/aarch64/Symbol.map Normal file
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@ -0,0 +1,29 @@
/*
* $FreeBSD$
*/
/*
* This only needs to contain symbols that are not listed in
* symbol maps from other parts of libc (i.e., not found in
* stdlib/Symbol.map, string/Symbol.map, sys/Symbol.map, ...).
*/
FBSD_1.0 {
/* PSEUDO syscalls */
_exit;
_setjmp;
_longjmp;
setjmp;
longjmp;
sigsetjmp;
siglongjmp;
vfork;
brk;
sbrk;
};
FBSDprivate_1.0 {
_set_tp;
curbrk;
minbrk;
};

58
lib/libc/aarch64/_fpmath.h Normal file
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@ -0,0 +1,58 @@
/*-
* Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
* Copyright (2) 2014 The FreeBSD Foundation
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
union IEEEl2bits {
long double e;
struct {
unsigned long manl :64;
unsigned long manh :48;
unsigned int exp :15;
unsigned int sign :1;
} bits;
/* TODO andrew: Check the packing here */
struct {
unsigned long manl :64;
unsigned long manh :48;
unsigned int expsign :16;
} xbits;
};
#define LDBL_NBIT 0
#define LDBL_IMPLICIT_NBIT
#define mask_nbit_l(u) ((void)0)
#define LDBL_MANH_SIZE 48
#define LDBL_MANL_SIZE 64
#define LDBL_TO_ARRAY32(u, a) do { \
(a)[0] = (uint32_t)(u).bits.manl; \
(a)[1] = (uint32_t)((u).bits.manl >> 32); \
(a)[2] = (uint32_t)(u).bits.manh; \
(a)[3] = (uint32_t)((u).bits.manh >> 32); \
} while(0)

19
lib/libc/aarch64/arith.h Normal file
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@ -0,0 +1,19 @@
/*
* MD header for contrib/gdtoa
*
* $FreeBSD$
*/
/*
* NOTE: The definitions in this file must be correct or strtod(3) and
* floating point formats in printf(3) will break! The file can be
* generated by running contrib/gdtoa/arithchk.c on the target
* architecture. See contrib/gdtoa/gdtoaimp.h for details.
*/
#define IEEE_8087
#define Arith_Kind_ASL 1
#define Long int
#define Intcast (int)(long)
#define Double_Align
#define X64_bit_pointers

21
lib/libc/aarch64/gd_qnan.h Normal file
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@ -0,0 +1,21 @@
/*
* MD header for contrib/gdtoa
*
* This file can be generated by compiling and running contrib/gdtoa/qnan.c
* on the target architecture after arith.h has been generated.
*
* $FreeBSD$
*/
#define f_QNAN 0x7fc00000
#define d_QNAN0 0x0
#define d_QNAN1 0x7ff80000
#define ld_QNAN0 0x0
#define ld_QNAN1 0x0
#define ld_QNAN2 0x0
#define ld_QNAN3 0x7fff8000
#define ldus_QNAN0 0x0
#define ldus_QNAN1 0x0
#define ldus_QNAN2 0x0
#define ldus_QNAN3 0x0
#define ldus_QNAN4 0x0

9
lib/libc/aarch64/gen/Makefile.inc Normal file
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@ -0,0 +1,9 @@
# $FreeBSD$
SRCS+= flt_rounds.c \
ldexp.c \
_setjmp.S \
_set_tp.c \
setjmp.S \
sigsetjmp.S \
trivial-getcontextx.c

42
lib/libc/aarch64/gen/_set_tp.c Normal file
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@ -0,0 +1,42 @@
/*-
* Copyright (c) 2014 Andrew Turner
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <string.h>
#include <sys/types.h>
#include <machine/sysarch.h>
#include <stdlib.h>
void
_set_tp(void *tp)
{
asm volatile("msr tpidr_el0, %0" : : "r"(tp));
}

105
lib/libc/aarch64/gen/_setjmp.S Normal file
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@ -0,0 +1,105 @@
/*-
* Copyright (c) 2014 Andrew Turner
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by Andrew Turner
* under sponsorship from the FreeBSD Foundation
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include <machine/setjmp.h>
ENTRY(_setjmp)
/* Store the magic value and stack pointer */
ldr x8, .Lmagic
mov x9, sp
stp x8, x9, [x0], #16
/* Store the general purpose registers and lr */
stp x19, x20, [x0], #16
stp x21, x22, [x0], #16
stp x23, x24, [x0], #16
stp x25, x26, [x0], #16
stp x27, x28, [x0], #16
stp x29, lr, [x0], #16
#ifndef _STANDALONE
/* Store the vfp registers */
stp d8, d9, [x0], #16
stp d10, d11, [x0], #16
stp d12, d13, [x0], #16
stp d14, d15, [x0]
#endif
/* Return value */
mov x0, #0
ret
.Lmagic:
.align 3
.quad _JB_MAGIC__SETJMP
END(_setjmp)
ENTRY(_longjmp)
/* Check the magic value */
ldr x8, [x0], #8
ldr x9, .Lmagic
cmp x8, x9
b.ne botch
/* Restore the stack pointer */
ldr x8, [x0], #8
mov sp, x8
/* Restore the general purpose registers and lr */
ldp x19, x20, [x0], #16
ldp x21, x22, [x0], #16
ldp x23, x24, [x0], #16
ldp x25, x26, [x0], #16
ldp x27, x28, [x0], #16
ldp x29, lr, [x0], #16
#ifndef _STANDALONE
/* Restore the vfp registers */
ldp d8, d9, [x0], #16
ldp d10, d11, [x0], #16
ldp d12, d13, [x0], #16
ldp d14, d15, [x0]
#endif
/* Load the return value */
mov x0, x1
ret
botch:
#ifdef _STANDALONE
b botch
#else
bl _C_LABEL(longjmperror)
bl _C_LABEL(abort)
#endif
END(_longjmp)

49
lib/libc/aarch64/gen/flt_rounds.c Normal file
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@ -0,0 +1,49 @@
/*-
* Copyright (c) 2012 Ian Lepore <freebsd@damnhippie.dyndns.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <fenv.h>
#include <float.h>
static int map[] = {
1, /* round to nearest */
2, /* round to positive infinity */
3, /* round to negative infinity */
0 /* round to zero */
};
int
__flt_rounds(void)
{
uint64_t fpcr;
asm volatile("mrs %0, fpcr" : "=r" (fpcr));
return map[(fpcr >> 22) & 3];
}

123
lib/libc/aarch64/gen/setjmp.S Normal file
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@ -0,0 +1,123 @@
/*-
* Copyright (c) 2014 Andrew Turner
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by Andrew Turner
* under sponsorship from the FreeBSD Foundation
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include <machine/setjmp.h>
ENTRY(setjmp)
sub sp, sp, #16
stp x0, lr, [sp]
/* Store the signal mask */
add x2, x0, #(_JB_SIGMASK * 8) /* oset */
mov x1, #0 /* set */
mov x0, #1 /* SIG_BLOCK */
bl sigprocmask
ldp x0, lr, [sp]
add sp, sp, #16
/* Store the magic value and stack pointer */
ldr x8, .Lmagic
mov x9, sp
stp x8, x9, [x0], #16
/* Store the general purpose registers and lr */
stp x19, x20, [x0], #16
stp x21, x22, [x0], #16
stp x23, x24, [x0], #16
stp x25, x26, [x0], #16
stp x27, x28, [x0], #16
stp x29, lr, [x0], #16
/* Store the vfp registers */
stp d8, d9, [x0], #16
stp d10, d11, [x0], #16
stp d12, d13, [x0], #16
stp d14, d15, [x0]
/* Return value */
mov x0, #0
ret
.Lmagic:
.align 3
.quad _JB_MAGIC_SETJMP
END(setjmp)
ENTRY(longjmp)
sub sp, sp, #32
stp x0, lr, [sp]
str x1, [sp, #16]
/* Restore the signal mask */
mov x1, #0 /* oset */
add x1, x0, #(_JB_SIGMASK * 8) /* set */
mov x0, #3 /* SIG_BLOCK */
bl sigprocmask
ldr x1, [sp, #16]
ldp x0, lr, [sp]
add sp, sp, #32
/* Check the magic value */
ldr x8, [x0], #8
ldr x9, .Lmagic
cmp x8, x9
b.ne botch
/* Restore the stack pointer */
ldr x8, [x0], #8
mov sp, x8
/* Restore the general purpose registers and lr */
ldp x19, x20, [x0], #16
ldp x21, x22, [x0], #16
ldp x23, x24, [x0], #16
ldp x25, x26, [x0], #16
ldp x27, x28, [x0], #16
ldp x29, lr, [x0], #16
/* Restore the vfp registers */
ldp d8, d9, [x0], #16
ldp d10, d11, [x0], #16
ldp d12, d13, [x0], #16
ldp d14, d15, [x0]
/* Load the return value */
mov x0, x1
ret
botch:
bl _C_LABEL(longjmperror)
bl _C_LABEL(abort)
END(longjmp)

53
lib/libc/aarch64/gen/sigsetjmp.S Normal file
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@ -0,0 +1,53 @@
/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include <machine/setjmp.h>
ENTRY(sigsetjmp)
cmp x1, #0
b.eq _C_LABEL(_setjmp)
b _C_LABEL(setjmp)
END(sigsetjmp)
ENTRY(siglongjmp)
/* Load the _setjmp magic */
ldr x2, .Lmagic
ldr x3, [x0]
/* Check the magic */
cmp x2, x3
b.eq _C_LABEL(_longjmp)
b _C_LABEL(longjmp)
.Lmagic:
.align 3
.quad _JB_MAGIC__SETJMP
END(siglongjmp)

25
lib/libc/aarch64/sys/Makefile.inc Normal file
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@ -0,0 +1,25 @@
# $FreeBSD$
SRCS+= trivial-vdso_tc.c
#MDASM= ptrace.S
MDASM= brk.S \
cerror.S \
pipe.S \
sbrk.S \
shmat.S \
sigreturn.S \
syscall.S \
vfork.S
# Don't generate default code for these syscalls:
NOASM= break.o \
exit.o \
getlogin.o \
openbsd_poll.o \
sstk.o \
vfork.o \
yield.o
PSEUDO= _exit.o \
_getlogin.o

93
lib/libc/aarch64/sys/brk.S Normal file
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@ -0,0 +1,93 @@
/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include "SYS.h"
.data
.align 3
.globl _C_LABEL(minbrk)
.type _C_LABEL(minbrk),#object
_C_LABEL(minbrk):
.quad _C_LABEL(_end)
.text
/*
* int brk(const void *addr);
*/
ENTRY(_brk)
WEAK_REFERENCE(_brk, brk)
/* Load the address of minbrk */
#ifdef __PIC__
adrp x2, :got:minbrk
ldr x3, [x2, #:got_lo12:minbrk]
#else
ldr x3, .Lminbrk
#endif
/* Get the minimum allowable brk address */
ldr x2, [x3]
/* Validate the address */
cmp x0, x2
b.ge 1f
/* Invalid, set it to the minimum */
mov x0, x2
/* Backup the new address */
1: mov x4, x0
/* Update for this value, will overwrite x0 and x1 */
_SYSCALL(break)
b.cs cerror
#ifdef __PIC__
adrp x2, :got:curbrk
ldr x3, [x2, #:got_lo12:curbrk]
#else
ldr x3, .Lcurbrk
#endif
/* Store the new curbrk value */
str x4, [x3]
/* Return success */
mov x0, #0
ret
#ifndef __PIC__
.Lcurbrk:
.quad _C_LABEL(curbrk)
.Lminbrk:
.quad _C_LABEL(minbrk)
#endif
END(_brk)

41
lib/libc/aarch64/sys/cerror.S Normal file
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@ -0,0 +1,41 @@
/*-
* Copyright (c) 2014 Andrew Turner
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
ENTRY(cerror)
sub sp, sp, #16
stp x0, lr, [sp]
bl _C_LABEL(__error)
ldp x1, lr, [sp]
str x1, [x0]
movn x0, #0
movn x1, #0
add sp, sp, #16
ret
END(cerror)

52
lib/libc/aarch64/sys/pipe.S Normal file
View File

@ -0,0 +1,52 @@
/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include "SYS.h"
ENTRY(__sys_pipe)
WEAK_REFERENCE(__sys_pipe, pipe)
/* Backup the pointer passed to us */
mov x2, x0
/* Make the syscall */
_SYSCALL(pipe)
b.cs cerror
/* Store the result */
str w0, [x2, #0]
str w1, [x2, #4]
/* Return */
mov x0, #0
ret
END(__sys_pipe)

79
lib/libc/aarch64/sys/sbrk.S Normal file
View File

@ -0,0 +1,79 @@
/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include "SYS.h"
.data
.align 3
.global _C_LABEL(curbrk)
.type _C_LABEL(curbrk),#object
_C_LABEL(curbrk):
.quad _C_LABEL(_end)
.text
/*
* void *sbrk(intptr_t incr);
*/
ENTRY(_sbrk)
WEAK_REFERENCE(_sbrk, sbrk)
/* Load the address of curbrk */
#ifdef __PIC__
adrp x2, :got:curbrk
ldr x3, [x2, #:got_lo12:curbrk]
#else
ldr x3, .Lcurbrk
#endif
/* Get the current brk address */
ldr x2, [x3]
/* Calculate the new value */
add x0, x2, x0
mov x4, x0
/* Update for this value, will overwrite x0 and x1 */
_SYSCALL(break)
b.cs cerror
/* Load the old value to return */
ldr x0, [x3]
/* Store the new curbrk value */
str x4, [x3]
ret
#ifndef __PIC__
.Lcurbrk:
.quad _C_LABEL(curbrk)
#endif
END(_sbrk)

35
lib/libc/aarch64/sys/shmat.S Normal file
View File

@ -0,0 +1,35 @@
/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include "SYS.h"
RSYSCALL(shmat)

35
lib/libc/aarch64/sys/sigreturn.S Normal file
View File

@ -0,0 +1,35 @@
/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include "SYS.h"
RSYSCALL(sigreturn)

35
lib/libc/aarch64/sys/syscall.S Normal file
View File

@ -0,0 +1,35 @@
/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Andrew Turner under
* sponsorship from the FreeBSD Foundation.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include "SYS.h"
RSYSCALL(syscall)

42
lib/libc/aarch64/sys/vfork.S Normal file
View File

@ -0,0 +1,42 @@
/*-
* Copyright (c) 2014 Andrew Turner
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
__FBSDID("$FreeBSD$");
#include "SYS.h"
ENTRY(__sys_vfork)
WEAK_REFERENCE(__sys_vfork, vfork)
WEAK_REFERENCE(__sys_vfork, _vfork)
mov x2, lr
_SYSCALL(vfork)
b.cs cerror
sub x1, x1, #1
and x0, x0, x1
mov lr, x2
ret
END(__sys_vfork)

5
lib/libc/gen/tls.c
View File

@ -65,13 +65,14 @@ void __libc_free_tls(void *tls, size_t tcbsize, size_t tcbalign);
#if defined(__amd64__)
#define TLS_TCB_ALIGN 16
#elif defined(__powerpc__) || defined(__i386__) || defined(__arm__) || \
defined(__sparc64__) || defined(__mips__)
defined(__sparc64__) || defined(__mips__) || defined(__aarch64__)
#define TLS_TCB_ALIGN sizeof(void *)
#else
#error TLS_TCB_ALIGN undefined for target architecture
#endif
#if defined(__arm__) || defined(__mips__) || defined(__powerpc__)
#if defined(__arm__) || defined(__mips__) || defined(__powerpc__) || \
defined(__aarch64__)
#define TLS_VARIANT_I
#endif
#if defined(__i386__) || defined(__amd64__) || defined(__sparc64__)

3
lib/libc/xdr/xdr_float.c
View File

@ -64,7 +64,8 @@ __FBSDID("$FreeBSD$");
#if defined(__m68k__) || defined(__sparc__) || defined(__i386__) || \
defined(__mips__) || defined(__ns32k__) || defined(__alpha__) || \
defined(__arm__) || defined(__ppc__) || \
defined(__arm26__) || defined(__sparc64__) || defined(__amd64__)
defined(__arm26__) || defined(__sparc64__) || defined(__amd64__) || \
defined(__aarch64__)
#include <machine/endian.h>
#define IEEEFP
#endif

9
lib/libstand/Makefile
View File

@ -39,6 +39,9 @@ CFLAGS+= -msoft-float -D_STANDALONE -DNETIF_DEBUG
.if ${MACHINE_CPUARCH} == "arm"
CFLAGS+= -msoft-float -D_STANDALONE
.endif
.if ${MACHINE_CPUARCH} == "aarch64"
CFLAGS+= -D_STANDALONE -mgeneral-regs-only
.endif
.if ${MACHINE_CPUARCH} == "mips"
CFLAGS+= -G0 -fno-pic -mno-abicalls
.endif
@ -75,8 +78,12 @@ SRCS+= udivmoddi4.c udivmodsi4.c udivdi3.c udivsi3.c umoddi3.c umodsi3.c
.PATH: ${.CURDIR}/../../contrib/compiler-rt/lib/builtins/arm/
SRCS+= aeabi_idivmod.S aeabi_ldivmod.S aeabi_uidivmod.S aeabi_uldivmod.S
SRCS+= aeabi_memcmp.S aeabi_memcpy.S aeabi_memmove.S aeabi_memset.S
.endif
.if ${MACHINE_CPUARCH} == "aarch64"
.PATH: ${.CURDIR}/../libc/aarch64/gen
.endif
.if ${MACHINE_CPUARCH} == "powerpc"
.PATH: ${.CURDIR}/../libc/quad
SRCS+= ashldi3.c ashrdi3.c

2
share/mk/src.opts.mk
View File

@ -235,6 +235,8 @@ __DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_FULL CLANG_IS_CC
.endif
.if ${__T} == "aarch64"
BROKEN_OPTIONS+=BINUTILS BINUTILS_BOOTSTRAP GDB
# There was no support for arm64 prior to FreeBSD 11
BROKEN_OPTIONS+=SYSCALL_COMPAT
.endif
.include <bsd.mkopt.mk>