Author: andrew Date: Tue Apr 7 09:52:14 2015 New Revision: 281197 URL: https://svnweb.freebsd.org/changeset/base/281197
Log: Add the start of libc and libstand for arm64. Not all of the machine 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 Added: head/lib/libc/aarch64/SYS.h (contents, props changed) head/lib/libc/aarch64/Symbol.map (contents, props changed) head/lib/libc/aarch64/_fpmath.h (contents, props changed) head/lib/libc/aarch64/arith.h (contents, props changed) head/lib/libc/aarch64/gd_qnan.h (contents, props changed) head/lib/libc/aarch64/gen/ head/lib/libc/aarch64/gen/Makefile.inc (contents, props changed) head/lib/libc/aarch64/gen/_set_tp.c (contents, props changed) head/lib/libc/aarch64/gen/_setjmp.S (contents, props changed) head/lib/libc/aarch64/gen/flt_rounds.c (contents, props changed) head/lib/libc/aarch64/gen/setjmp.S (contents, props changed) head/lib/libc/aarch64/gen/sigsetjmp.S (contents, props changed) head/lib/libc/aarch64/sys/ head/lib/libc/aarch64/sys/Makefile.inc (contents, props changed) head/lib/libc/aarch64/sys/brk.S (contents, props changed) head/lib/libc/aarch64/sys/cerror.S (contents, props changed) head/lib/libc/aarch64/sys/pipe.S (contents, props changed) head/lib/libc/aarch64/sys/sbrk.S (contents, props changed) head/lib/libc/aarch64/sys/shmat.S (contents, props changed) head/lib/libc/aarch64/sys/sigreturn.S (contents, props changed) head/lib/libc/aarch64/sys/syscall.S (contents, props changed) head/lib/libc/aarch64/sys/vfork.S (contents, props changed) Modified: head/lib/libc/Makefile head/lib/libc/aarch64/Makefile.inc head/lib/libc/gen/tls.c head/lib/libc/xdr/xdr_float.c head/lib/libstand/Makefile head/share/mk/src.opts.mk Modified: head/lib/libc/Makefile ============================================================================== --- head/lib/libc/Makefile Tue Apr 7 09:00:03 2015 (r281196) +++ head/lib/libc/Makefile Tue Apr 7 09:52:14 2015 (r281197) @@ -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" && \ ${MACHINE_ARCH:Mmipsn32*} == "" && \ Modified: head/lib/libc/aarch64/Makefile.inc ============================================================================== --- head/lib/libc/aarch64/Makefile.inc Tue Apr 7 09:00:03 2015 (r281196) +++ head/lib/libc/aarch64/Makefile.inc Tue Apr 7 09:52:14 2015 (r281197) @@ -3,3 +3,7 @@ # Machine dependent definitions for the arm 64-bit architecture. # +# Long double is quad precision +GDTOASRCS+=strtorQ.c +MDSRCS+=machdep_ldisQ.c +SYM_MAPS+=${LIBC_SRCTOP}/aarch64/Symbol.map Added: head/lib/libc/aarch64/SYS.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/SYS.h Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/Symbol.map ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/Symbol.map Tue Apr 7 09:52:14 2015 (r281197) @@ -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; +}; Added: head/lib/libc/aarch64/_fpmath.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/_fpmath.h Tue Apr 7 09:52:14 2015 (r281197) @@ -0,0 +1,58 @@ +/*- + * Copyright (c) 2002, 2003 David Schultz <d...@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) Added: head/lib/libc/aarch64/arith.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/arith.h Tue Apr 7 09:52:14 2015 (r281197) @@ -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 Added: head/lib/libc/aarch64/gd_qnan.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/gd_qnan.h Tue Apr 7 09:52:14 2015 (r281197) @@ -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 Added: head/lib/libc/aarch64/gen/Makefile.inc ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/gen/Makefile.inc Tue Apr 7 09:52:14 2015 (r281197) @@ -0,0 +1,9 @@ +# $FreeBSD$ + +SRCS+= flt_rounds.c \ + ldexp.c \ + _setjmp.S \ + _set_tp.c \ + setjmp.S \ + sigsetjmp.S \ + trivial-getcontextx.c Added: head/lib/libc/aarch64/gen/_set_tp.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/gen/_set_tp.c Tue Apr 7 09:52:14 2015 (r281197) @@ -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)); +} Added: head/lib/libc/aarch64/gen/_setjmp.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/gen/_setjmp.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/gen/flt_rounds.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/gen/flt_rounds.c Tue Apr 7 09:52:14 2015 (r281197) @@ -0,0 +1,49 @@ +/*- + * Copyright (c) 2012 Ian Lepore <free...@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]; +} Added: head/lib/libc/aarch64/gen/setjmp.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/gen/setjmp.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/gen/sigsetjmp.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/gen/sigsetjmp.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/sys/Makefile.inc ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/sys/Makefile.inc Tue Apr 7 09:52:14 2015 (r281197) @@ -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 Added: head/lib/libc/aarch64/sys/brk.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/sys/brk.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/sys/cerror.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/sys/cerror.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/sys/pipe.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/sys/pipe.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/sys/sbrk.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/sys/sbrk.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/sys/shmat.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/sys/shmat.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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) Added: head/lib/libc/aarch64/sys/sigreturn.S ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/aarch64/sys/sigreturn.S Tue Apr 7 09:52:14 2015 (r281197) @@ -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. + */ *** DIFF OUTPUT TRUNCATED AT 1000 LINES *** _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
