Commit a36dcef7dc

@@ -0,0 +1,1 @@
+/* Empty so we can include this unconditionally */

@@ -0,0 +1,33 @@
+/* LINTLIBRARY */
+/*-
+ * Copyright 1996-1998 John D. Polstra.
+ * Copyright 2014 Andrew Turner.
+ * Copyright 2014-2015 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 ``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.
+ */
+
+#include <sys/cdefs.h>
+#include "csu_common.h"

@@ -0,0 +1,68 @@
+/* LINTLIBRARY */
+/*-
+ * Copyright 1996-1998 John D. Polstra.
+ * Copyright 2014 Andrew Turner.
+ * Copyright 2014-2015 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 ``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.
+ */
+
+#include <machine/asm.h>
+#include <sys/elf_common.h>
+
+	/*
+	 * The program entry point
+	 * void _start(char **ap, void (*cleanup)(void)) __dead2
+	 */
+ENTRY(_start)
+	.cfi_undefined x30
+	mov	x3, x2		/* cleanup */
+	add	x1, x0, #8	/* load argv */
+	ldr	x0, [x0]	/* load argc */
+	add	x2, x1, x0, lsl #3 /* env is after argv */
+	add	x2, x2, #8	/* argv is null terminated */
+#ifdef PIC
+	adrp	x4, :got:main
+	ldr	x4, [x4, :got_lo12:main]
+#else
+	ldr	x4, =main
+#endif
+#ifdef GCRT
+	ldr	x5, =eprol
+	ldr	x6, =etext
+	/*
+	 * __libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext)
+	 */
+	bl	__libc_start1_gcrt
+eprol:
+#else
+	/* __libc_start1(argc, argv, env, cleanup, main) */
+	bl	__libc_start1
+#endif
+END(_start)
+
+	.section .note.GNU-stack,"",@progbits
+
+GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)

@@ -0,0 +1,30 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2018 Andrew Turner
+ *
+ * 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.
+ *
+ * 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 _CRT_H_
+#define	_CRT_H_
+
+/* zig patch: no HAVE_CTORS */
+#define	INIT_CALL_SEQ(func)	"call " __STRING(func)
+
+#endif

@@ -0,0 +1,30 @@
+/* LINTLIBRARY */
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright 1996-1998 John D. Polstra.
+ * 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 ``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.
+ */
+
+#include <sys/cdefs.h>
+#include "csu_common.h"

@@ -0,0 +1,89 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2023 Dmitry Chagin <dchagin@FreeBSD.org>
+ *
+ * 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>
+
+
+	.text
+	.align 8
+
+	/*
+	 * The program entry point
+	 *		  %rdi		%rsi
+	 * void _start(char **ap, void (*cleanup)(void)) __dead2
+	 */
+	.globl	_start
+	.type	_start, @function
+_start:
+	.cfi_startproc
+	.cfi_undefined %rip		/* Terminate call chain. */
+	pushq	%rbp			/* Align stack, terminate call chain. */
+	.cfi_def_cfa_offset 8
+	movq	%rsp, %rbp
+	.cfi_offset %rbp, -16
+	.cfi_def_cfa_register %rbp
+#ifdef GCRT
+	subq	$16, %rsp
+#endif
+	movq	%rsi, %rcx
+	movq	%rdi, %rsi		/* argv = ap */
+	addq	$8, %rsi		/* argv += 1 */
+	movq	%rdi, %rdx		/* env = ap */
+	addq	$16, %rdx		/* env += 2 */
+	movslq	(%rdi), %rax
+	movl	%eax, %edi		/* argc = *(long *)(void *)ap */
+	shlq	$3, %rax
+	addq	%rax, %rdx		/* env += argc */
+#ifdef PIC
+	/*
+	 * XXX. %rip relative addressing is not intended for use in the
+	 * large memory model due to the offset from %rip being limited
+	 * to 32 bits.
+	 */
+	leaq	main@plt(%rip), %r8
+#else
+	movabsq	$main, %r8
+#endif
+#ifdef GCRT
+	movabsq	$eprol, %r9
+	movabsq	$etext, %rax
+	movq    %rax, (%rsp)
+	/*
+	 *		      %edi  %rsi  %rdx  %rcx    %r8    %r9    (%rsp)
+	 * __libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext)
+	 */
+	callq	__libc_start1_gcrt
+eprol:
+#else
+	/* __libc_start1(argc, argv, env, cleanup, main) */
+	callq	__libc_start1
+#endif
+	int3
+	.cfi_endproc
+	.size   _start, . - _start
+
+	.section .note.GNU-stack,"",%progbits

@@ -0,0 +1,1 @@
+/* Empty so we can include this unconditionally */

@@ -0,0 +1,80 @@
+/* LINTLIBRARY */
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright 2001 David E. O'Brien.
+ * All rights reserved.
+ * Copyright 1996-1998 John D. Polstra.
+ * All rights reserved.
+ * Copyright (c) 1997 Jason R. Thorpe.
+ * Copyright (c) 1995 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *          This product includes software developed for the
+ *          FreeBSD Project.  See https://www.freebsd.org/ for
+ *          information about FreeBSD.
+ *          This product includes software developed for the
+ *          NetBSD Project.  See http://www.netbsd.org/ for
+ *          information about NetBSD.
+ * 4. 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/elf_common.h>
+
+#include "libc_private.h"
+#include "csu_common.h"
+
+struct Struct_Obj_Entry;
+struct ps_strings;
+
+void _start(int, char **, char **, const struct Struct_Obj_Entry *,
+    void (*)(void), struct ps_strings *) __dead2;
+
+struct ps_strings *__ps_strings;
+
+void __start(int, char **, char **, struct ps_strings *,
+    const struct Struct_Obj_Entry *, void (*)(void)) __dead2;
+
+void
+__start(int argc, char **argv, char **env, struct ps_strings *ps_strings,
+    const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void))
+{
+	if (ps_strings != (struct ps_strings *)0)
+		__ps_strings = ps_strings;
+
+#ifdef GCRT
+	__libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext);
+#else
+	__libc_start1(argc, argv, env, cleanup, main);
+#endif
+}
+
+#ifdef GCRT
+__asm__(".text");
+__asm__("eprol:");
+__asm__(".previous");
+#endif

@@ -0,0 +1,77 @@
+/* LINTLIBRARY */
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright 2001 David E. O'Brien.
+ * All rights reserved.
+ * Copyright 1996-1998 John D. Polstra.
+ * All rights reserved.
+ * Copyright (c) 1997 Jason R. Thorpe.
+ * Copyright (c) 1995 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *          This product includes software developed for the
+ *          FreeBSD Project.  See https://www.freebsd.org/ for
+ *          information about FreeBSD.
+ *          This product includes software developed for the
+ *          NetBSD Project.  See http://www.netbsd.org/ for
+ *          information about NetBSD.
+ * 4. 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.
+ */
+
+#include <machine/asm.h>
+#include <sys/param.h>
+#include <sys/elf_common.h>
+#include "notes.h"
+
+ENTRY(_start)
+	mov	r5, r2		/* cleanup */
+	mov	r4, r1		/* obj_main */
+	mov	r3, r0		/* ps_strings */
+	/* Get argc, argv, and envp from stack */
+	ldr	r0, [sp, #0x0000]
+	add	r1, sp, #0x0004
+	add	r2, r1, r0, lsl #2
+	add	r2, r2, #0x0004
+	/* Ensure the stack is properly aligned before calling C code. */
+	bic	sp, sp, #7
+	sub	sp, sp, #8
+	str	r5, [sp, #4]
+	str	r4, [sp, #0]
+
+	b	 __start
+END(_start)
+
+	.section .note.tag,"a",%note
+	.p2align	2
+	.4byte		2f-1f
+	.4byte		4f-3f
+	.4byte		NT_FREEBSD_ARCH_TAG
+1:	.asciz		NOTE_FREEBSD_VENDOR
+2:	.p2align	2
+3:	.asciz		MACHINE_ARCH
+4:
+
+	.section .note.GNU-stack,"",%progbits

@@ -0,0 +1,95 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2018 Andrew Turner
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+
+#include "crt.h"
+
+typedef void (*crt_func)(void);
+
+extern void *__dso_handle __hidden;
+
+#ifndef SHARED
+void *__dso_handle = 0;
+#else
+void *__dso_handle = &__dso_handle;
+void __cxa_finalize(void *) __weak_symbol;
+
+/*
+ * Call __cxa_finalize with the dso handle in shared objects.
+ * When we have ctors/dtors call from the dtor handler before calling
+ * any dtors, otherwise use a destructor.
+ */
+#ifndef HAVE_CTORS
+__attribute__((destructor))
+#endif
+static void
+run_cxa_finalize(void)
+{
+
+	if (__cxa_finalize != NULL)
+		__cxa_finalize(__dso_handle);
+}
+#endif
+
+/*
+ * On some architectures and toolchains we may need to call the .dtors.
+ * These are called in the order they are in the ELF file.
+ */
+#ifdef HAVE_CTORS
+static void __do_global_dtors_aux(void) __used;
+
+static crt_func __CTOR_LIST__[] __section(".ctors") __used = {
+	(crt_func)-1
+};
+static crt_func __DTOR_LIST__[] __section(".dtors") __used = {
+	(crt_func)-1
+};
+
+static void
+__do_global_dtors_aux(void)
+{
+	crt_func fn;
+	int n;
+
+#ifdef SHARED
+	run_cxa_finalize();
+#endif
+
+	for (n = 1;; n++) {
+		fn = __DTOR_LIST__[n];
+		if (fn == (crt_func)0 || fn == (crt_func)-1)
+			break;
+		fn();
+	}
+}
+
+asm (
+    ".pushsection .fini		\n"
+    "\t" INIT_CALL_SEQ(__do_global_dtors_aux) "\n"
+    ".popsection		\n"
+);
+#endif
+
+/* zig patch: remove gcj nonsense */

@@ -0,0 +1,55 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright 2000 David E. O'Brien, John D. Polstra.
+ * 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 ``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.
+ */
+
+#include <machine/asm.h>
+#include <sys/param.h>
+#include <sys/elf_common.h>
+#include "notes.h"
+
+/*
+ * Special ".note.tag" entry specifying the ABI version.  See
+ * http://www.netbsd.org/Documentation/kernel/elf-notes.html
+ * for more information.
+ */
+
+	.section .note.tag,"aG",%note,.freebsd.noteG,comdat
+	.p2align	2
+	.4byte		2f-1f
+	.4byte		4f-3f
+	.4byte		NT_FREEBSD_ABI_TAG
+1:	.asciz		NOTE_FREEBSD_VENDOR
+2:	.p2align	2
+/* zig patch: use __FreeBSD_version which is defined by the compiler */
+3:	.4byte		__FreeBSD_version
+4:
+
+	.section .note.GNU-stack,"",%progbits
+
+#ifdef __aarch64__
+/* This is needed in all objects for BTI to be used in the linked elf file */
+GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)
+#endif

@@ -0,0 +1,65 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2018 Andrew Turner
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+#include "crt.h"
+
+typedef void (*crt_func)(void);
+
+/* zig patch: remove gcj nonsense */
+
+#ifdef HAVE_CTORS
+
+/*
+ * On some architectures and toolchains we may need to call the .ctors.
+ * These are called in the reverse order they are in the ELF file.
+ */
+static void __do_global_ctors_aux(void) __used;
+
+static crt_func __CTOR_END__[] __section(".ctors") __used = {
+	(crt_func)0
+};
+static crt_func __DTOR_END__[] __section(".dtors") __used = {
+	(crt_func)0
+};
+
+static void
+__do_global_ctors_aux(void)
+{
+	crt_func fn;
+	int n;
+
+	for (n = 1;; n++) {
+		fn = __CTOR_END__[-n];
+		if (fn == (crt_func)0 || fn == (crt_func)-1)
+			break;
+		fn();
+	}
+}
+
+asm (
+    ".pushsection .init		\n"
+    "\t" INIT_CALL_SEQ(__do_global_ctors_aux) "\n"
+    ".popsection		\n"
+);
+#endif

@@ -0,0 +1,50 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright 1996-1998 John D. Polstra.
+ * 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 ``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.
+ */
+
+#ifdef _CSU_COMMON_H_
+
+/*
+ * This file includes both definitions and declarations, it can be
+ * included only into one compilation unit for csu objects.  We cannot
+ * practically check this, but at least guard against
+ * double-inclusion.
+ */
+#error "Include this file only once"
+#else
+#define _CSU_COMMON_H_
+
+char **environ;
+const char *__progname = "";
+
+#ifdef GCRT
+extern int eprol;
+extern int etext;
+#endif
+
+int main(int, char **, char **);
+
+#endif	/* _CSU_COMMON_H_ */

@@ -0,0 +1,47 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright 2000 David E. O'Brien, John D. Polstra.
+ * 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 ``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.
+ */
+
+#include <machine/asm.h>
+#include <sys/elf_common.h>
+#include "notes.h"
+
+	.section .note.tag,"a",%note
+	.p2align	2
+	.4byte		2f-1f
+	.4byte		4f-3f
+	.4byte		NT_FREEBSD_FEATURE_CTL
+1:	.asciz		NOTE_FREEBSD_VENDOR
+2:	.p2align	2
+3:	.4byte		0
+4:
+
+	.section .note.GNU-stack,"",%progbits
+
+#ifdef __aarch64__
+/* This is needed in all objects for BTI to be used in the linked elf file */
+GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)
+#endif

@@ -0,0 +1,48 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2012 Konstantin Belousov <kib@FreeBSD.org>
+ * Copyright (c) 2018 The FreeBSD Foundation
+ *
+ * Parts of this software was developed by Konstantin Belousov
+ * <kib@FreeBSD.org> 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.
+ *
+ * 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.
+ */
+
+#include <machine/asm.h>
+#include <sys/elf_common.h>
+
+#include "notes.h"
+
+	.section .note.tag,"a",%note
+	.p2align	2
+	.4byte		2f-1f
+	.4byte		4f-3f
+	.4byte		NT_FREEBSD_NOINIT_TAG
+1:	.asciz		NOTE_FREEBSD_VENDOR
+2:	.p2align	2
+3:	.4byte		0
+4:
+
+	.section .note.GNU-stack,"",%progbits
+
+#ifdef __aarch64__
+/* This is needed in all objects for BTI to be used in the linked elf file */
+GNU_PROPERTY_AARCH64_FEATURE_1_NOTE(GNU_PROPERTY_AARCH64_FEATURE_1_VAL)
+#endif

@@ -0,0 +1,32 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2012 Konstantin Belousov <kib@FreeBSD.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.
+ *
+ * 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	CSU_COMMON_NOTES_H
+#define	CSU_COMMON_NOTES_H
+
+#define NOTE_FREEBSD_VENDOR	"FreeBSD"
+
+#define NOTE_SECTION		".note.tag"
+
+#endif

@@ -0,0 +1,30 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2018 Andrew Turner
+ *
+ * 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.
+ *
+ * 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 _CRT_H_
+#define	_CRT_H_
+
+/* zig patch: no HAVE_CTORS */
+#define	INIT_CALL_SEQ(func)	"call " __STRING(func)
+
+#endif

@@ -0,0 +1,30 @@
+/* LINTLIBRARY */
+/*-
+ * Copyright 1996-1998 John D. Polstra.
+ * 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 ``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.
+ */
+
+#include <sys/cdefs.h>
+#include "csu_common.h"
+
+void _start(char *, ...) __dead2;

@@ -0,0 +1,91 @@
+/*-
+ * Copyright 2009 Konstantin Belousov.
+ * 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.
+ *
+ * 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.
+ */
+
+#include <machine/asm.h>
+	.text
+	.align	4
+	.globl	_start
+	.type	_start, @function
+_start:
+	.cfi_startproc
+	.cfi_undefined %eip
+	popl	%esi		# Pop argc
+	.cfi_def_cfa_offset -4
+	movl	%esp,%edi	# argv starts at stack top
+	xorl	%ebp,%ebp
+	pushl	%ebp
+	.cfi_def_cfa_offset 0
+	movl	%esp,%ebp
+	.cfi_offset %ebp,-4
+	.cfi_def_cfa_register %ebp
+	andl	$0xfffffff0,%esp # align stack
+
+#ifdef GCRT
+	subl	$4,%esp		# Align stack for 7 arguments
+	pushl	$etext
+	pushl	$eprol
+eprol:
+#else
+	subl	$12,%esp	# Align stack for 5 arguments
+#endif /* GCRT */
+
+#ifdef PIC
+	calll	1f
+1:	popl	%ebx
+	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b],%ebx
+	leal	main@GOTOFF(%ebx),%eax
+	pushl	%eax
+#else
+	pushl	$main
+#endif /* PIC */
+
+	pushl	%edx		# rtld cleanup
+	/* env = argv + argc + 1 */
+	movl	%edi,%eax	# env = argv
+	movl	%esi,%ecx
+	shll	$2,%ecx		# argc * 4
+	addl	%ecx,%eax	# env += argc
+	addl	$4,%eax		# env += 1
+	pushl	%eax		# env
+	pushl	%edi		# argv
+	pushl	%esi		# argc
+
+#ifdef GCRT
+	/*
+	 * __libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext);
+	 */
+	calll	__libc_start1_gcrt
+#else
+	/*
+	 * __libc_start1(argc, argv, env, cleanup, main);
+	 */
+#ifdef PIC
+	calll	__libc_start1@PLT
+#else
+	calll	__libc_start1
+#endif
+#endif /* GCRT */
+	int3
+	.cfi_endproc
+	.size	_start, . - _start
+
+	.section .note.GNU-stack,"",%progbits

@@ -0,0 +1,31 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2018 Andrew Turner
+ *
+ * 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.
+ *
+ * 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 _CRT_H_
+#define	_CRT_H_
+
+/* zig patch: no HAVE_CTORS */
+#define	CTORS_CONSTRUCTORS
+#define	INIT_CALL_SEQ(func)	"bl " __STRING(func) "; nop"
+
+#endif

@@ -0,0 +1,89 @@
+/* LINTLIBRARY */
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright 2001 David E. O'Brien.
+ * All rights reserved.
+ * Copyright 1996-1998 John D. Polstra.
+ * All rights reserved.
+ * Copyright (c) 1997 Jason R. Thorpe.
+ * Copyright (c) 1995 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *          This product includes software developed for the
+ *          FreeBSD Project.  See https://www.freebsd.org/ for
+ *          information about FreeBSD.
+ *          This product includes software developed for the
+ *          NetBSD Project.  See http://www.netbsd.org/ for
+ *          information about NetBSD.
+ * 4. 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.
+ */
+
+#include <sys/cdefs.h>
+#include <stdlib.h>
+
+#include "libc_private.h"
+#include "csu_common.h"
+
+struct Struct_Obj_Entry;
+struct ps_strings;
+
+struct ps_strings *__ps_strings;
+
+void _start(int, char **, char **, const struct Struct_Obj_Entry *,
+    void (*)(void), struct ps_strings *) __dead2;
+
+/* The entry function. */
+/*
+ * First 5 arguments are specified by the PowerPC SVR4 ABI.
+ * The last argument, ps_strings, is a BSD extension.
+ */
+/* ARGSUSED */
+void
+_start(int argc, char **argv, char **env,
+    const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void),
+    struct ps_strings *ps_strings)
+{
+	if (ps_strings != (struct ps_strings *)0)
+		__ps_strings = ps_strings;
+
+#ifdef GCRT
+	__libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext);
+#else
+	__libc_start1(argc, argv, env, cleanup, main);
+#endif
+}
+
+#ifdef GCRT
+__asm__(".text");
+__asm__("eprol:");
+__asm__(".previous");
+#endif
+
+#ifndef PIC
+__asm__(".text\n"
+	"\t.global _GLOBAL_OFFSET_TABLE_\n"
+	"\t.reloc 0, R_PPC_NONE, _GLOBAL_OFFSET_TABLE_");
+#endif

@@ -0,0 +1,189 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2019 Justin Hibbits
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include <machine/asm.h>
+.text
+
+/*
+ * The PowerPC ABI spec requires the following save/restore functions to be
+ * provided:
+ *
+ * _savefpr_N
+ * _restfpr_N
+ * _restfpr_N_x
+ * _savegpr_N
+ * _restgpr_N
+ * _restgpr_N_x
+ * 
+ * With N ranging from 14 to 31, to save the nonvolatile registers.
+ */
+
+#define _CRTENTRY(name) \
+	.text; \
+	.globl	name; \
+	.type	name,@function; \
+	name:
+
+#define SAVEFPR(r)	_CRTENTRY(__CONCAT(_savefpr_,r))	\
+	stfd	r,(-256 + r * 8)(11)
+
+SAVEFPR(14)
+SAVEFPR(15)
+SAVEFPR(16)
+SAVEFPR(17)
+SAVEFPR(18)
+SAVEFPR(19)
+SAVEFPR(20)
+SAVEFPR(21)
+SAVEFPR(22)
+SAVEFPR(23)
+SAVEFPR(24)
+SAVEFPR(25)
+SAVEFPR(26)
+SAVEFPR(27)
+SAVEFPR(28)
+SAVEFPR(29)
+SAVEFPR(30)
+SAVEFPR(31)
+	blr
+
+#define RESTFPR(r)	_CRTENTRY(__CONCAT(_restfpr_,r))	\
+	lfd	r,(-256 + r * 8)(11)
+
+RESTFPR(14)
+RESTFPR(15)
+RESTFPR(16)
+RESTFPR(17)
+RESTFPR(18)
+RESTFPR(19)
+RESTFPR(20)
+RESTFPR(21)
+RESTFPR(22)
+RESTFPR(23)
+RESTFPR(24)
+RESTFPR(25)
+RESTFPR(26)
+RESTFPR(27)
+RESTFPR(28)
+RESTFPR(29)
+RESTFPR(30)
+RESTFPR(31)
+	blr
+
+#define SAVEGPR(r)	_CRTENTRY(__CONCAT(_savegpr_,r))	\
+	stw	r,(-128 + r * 4)(11)
+
+SAVEGPR(14)
+SAVEGPR(15)
+SAVEGPR(16)
+SAVEGPR(17)
+SAVEGPR(18)
+SAVEGPR(19)
+SAVEGPR(20)
+SAVEGPR(21)
+SAVEGPR(22)
+SAVEGPR(23)
+SAVEGPR(24)
+SAVEGPR(25)
+SAVEGPR(26)
+SAVEGPR(27)
+SAVEGPR(28)
+SAVEGPR(29)
+SAVEGPR(30)
+SAVEGPR(31)
+	blr
+
+#define RESTGPR(r)	_CRTENTRY(__CONCAT(_restgpr_,r))	\
+	lwz	r,(-128 + r*4)(11)
+
+RESTGPR(14)
+RESTGPR(15)
+RESTGPR(16)
+RESTGPR(17)
+RESTGPR(18)
+RESTGPR(19)
+RESTGPR(20)
+RESTGPR(21)
+RESTGPR(22)
+RESTGPR(23)
+RESTGPR(24)
+RESTGPR(25)
+RESTGPR(26)
+RESTGPR(27)
+RESTGPR(28)
+RESTGPR(29)
+RESTGPR(30)
+RESTGPR(31)
+	blr
+
+#define RESTFPR_X(r)	_CRTENTRY(__CONCAT(__CONCAT(_restfpr_,r),_x))	\
+	lfd	r,(-256 + r * 8)(11)
+
+RESTFPR_X(14)
+RESTFPR_X(15)
+RESTFPR_X(16)
+RESTFPR_X(17)
+RESTFPR_X(18)
+RESTFPR_X(19)
+RESTFPR_X(20)
+RESTFPR_X(21)
+RESTFPR_X(22)
+RESTFPR_X(23)
+RESTFPR_X(24)
+RESTFPR_X(25)
+RESTFPR_X(26)
+RESTFPR_X(27)
+RESTFPR_X(28)
+RESTFPR_X(29)
+RESTFPR_X(30)
+RESTFPR_X(31)
+	lwz	0,4(11)
+	mtlr	0
+	mr	1,11
+	blr
+
+#define RESTGPR_X(r)	_CRTENTRY(__CONCAT(__CONCAT(_restgpr_,r),_x))	\
+	lwz	r,(-128 + r * 4)(11)
+
+RESTGPR_X(14)
+RESTGPR_X(15)
+RESTGPR_X(16)
+RESTGPR_X(17)
+RESTGPR_X(18)
+RESTGPR_X(19)
+RESTGPR_X(20)
+RESTGPR_X(21)
+RESTGPR_X(22)
+RESTGPR_X(23)
+RESTGPR_X(24)
+RESTGPR_X(25)
+RESTGPR_X(26)
+RESTGPR_X(27)
+RESTGPR_X(28)
+RESTGPR_X(29)
+RESTGPR_X(30)
+RESTGPR_X(31)
+	lwz	0,4(11)
+	mtlr	0
+	mr	1,11
+	blr

@@ -0,0 +1,31 @@
+/*-
+ * SPDX-License-Identifier: BSD-1-Clause
+ *
+ * Copyright 2018 Andrew Turner
+ *
+ * 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.
+ *
+ * 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 _CRT_H_
+#define	_CRT_H_
+
+/* zig patch: no HAVE_CTORS */
+#define	CTORS_CONSTRUCTORS
+#define	INIT_CALL_SEQ(func)	"bl " __STRING(func) "; nop"
+
+#endif

@@ -0,0 +1,83 @@
+/* LINTLIBRARY */
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
+ * Copyright 2001 David E. O'Brien.
+ * All rights reserved.
+ * Copyright 1996-1998 John D. Polstra.
+ * All rights reserved.
+ * Copyright (c) 1997 Jason R. Thorpe.
+ * Copyright (c) 1995 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *          This product includes software developed for the
+ *          FreeBSD Project.  See https://www.freebsd.org/ for
+ *          information about FreeBSD.
+ *          This product includes software developed for the
+ *          NetBSD Project.  See http://www.netbsd.org/ for
+ *          information about NetBSD.
+ * 4. 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.
+ */
+
+#include <sys/cdefs.h>
+#include <stdint.h>
+#include <sys/elf.h>
+
+#include "libc_private.h"
+#include "csu_common.h"
+
+struct Struct_Obj_Entry;
+struct ps_strings;
+
+void _start(int, char **, char **, const struct Struct_Obj_Entry *,
+    void (*)(void), struct ps_strings *) __dead2;
+
+struct ps_strings *__ps_strings;
+
+/* The entry function. */
+/*
+ * First 5 arguments are specified by the PowerPC SVR4 ABI.
+ * The last argument, ps_strings, is a BSD extension.
+ */
+void
+_start(int argc, char **argv, char **env,
+    const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void),
+    struct ps_strings *ps_strings)
+{
+	if (ps_strings != (struct ps_strings *)0)
+		__ps_strings = ps_strings;
+
+#ifdef GCRT
+	__libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext);
+#else
+	__libc_start1(argc, argv, env, cleanup, main);
+#endif
+}
+
+#ifdef GCRT
+__asm__(".text");
+__asm__("eprol:");
+__asm__(".previous");
+#endif

@@ -0,0 +1,8 @@
+
+#ifndef _CRT_H_
+#define _CRT_H_
+
+/* zig patch: no HAVE_CTORS */
+#define	INIT_CALL_SEQ(func)	"call " __STRING(func)
+
+#endif

@@ -0,0 +1,51 @@
+/* LINTLIBRARY */
+/*-
+ * Copyright 1996-1998 John D. Polstra.
+ * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com>
+ * All rights reserved.
+ *
+ * Portions of this software were developed by SRI International and the
+ * University of Cambridge Computer Laboratory under DARPA/AFRL contract
+ * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * Portions of this software were developed by the University of Cambridge
+ * Computer Laboratory as part of the CTSRD Project, with support from the
+ * UK Higher Education Innovation Fund (HEIF).
+ *
+ * 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 ``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.
+ */
+
+#include <sys/cdefs.h>
+#include "libc_private.h"
+#include "csu_common.h"
+
+void __start(int argc, char **argv, char **env, void (*cleanup)(void)) __dead2;
+
+void
+__start(int argc, char **argv, char **env, void (*cleanup)(void))
+{
+#ifdef GCRT
+	__libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext);
+__asm__("eprol:");
+#else
+	__libc_start1(argc, argv, env, cleanup, main);
+#endif
+}

@@ -0,0 +1,51 @@
+/* LINTLIBRARY */
+/*-
+ * Copyright 1996-1998 John D. Polstra.
+ * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com>
+ * All rights reserved.
+ *
+ * Portions of this software were developed by SRI International and the
+ * University of Cambridge Computer Laboratory under DARPA/AFRL contract
+ * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * Portions of this software were developed by the University of Cambridge
+ * Computer Laboratory as part of the CTSRD Project, with support from the
+ * UK Higher Education Innovation Fund (HEIF).
+ *
+ * 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 ``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.
+ */
+
+#include <machine/asm.h>
+ENTRY(_start)
+	mv	a3, a2		# cleanup
+	addi	a1, a0, 8	# get argv
+	ld	a0, 0(a0)	# load argc
+	slli	t0, a0, 3	# mult by arg size
+	add	a2, a1, t0	# env is after argv
+	addi	a2, a2, 8	# argv is null terminated
+	.option push
+	.option norelax
+	lla	gp, __global_pointer$
+	.option pop
+	call	__start
+END(_start)
+
+	.section .note.GNU-stack,"",%progbits

@@ -0,0 +1,450 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
+ * 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 author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL 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.
+ *
+ * Private definitions for libc, libc_r and libpthread.
+ *
+ */
+
+#ifndef _LIBC_PRIVATE_H_
+#define _LIBC_PRIVATE_H_
+#include <sys/_types.h>
+#include <sys/_pthreadtypes.h>
+
+extern char **environ;
+
+/*
+ * The kernel doesn't expose PID_MAX to the user space. Save it here
+ * to allow to run a newer world on a pre-1400079 kernel.
+ */
+#define	_PID_MAX	99999
+
+/*
+ * This global flag is non-zero when a process has created one
+ * or more threads. It is used to avoid calling locking functions
+ * when they are not required.
+ */
+#ifndef __LIBC_ISTHREADED_DECLARED
+#define __LIBC_ISTHREADED_DECLARED
+extern int	__isthreaded;
+#endif
+
+/*
+ * Elf_Auxinfo *__elf_aux_vector, the pointer to the ELF aux vector
+ * provided by kernel. Either set for us by rtld, or found at runtime
+ * on stack for static binaries.
+ *
+ * Type is void to avoid polluting whole libc with ELF types.
+ */
+extern void	*__elf_aux_vector;
+
+/*
+ * libc should use libc_dlopen internally, which respects a global
+ * flag where loading of new shared objects can be restricted.
+ */
+void *libc_dlopen(const char *, int);
+
+/*
+ * For dynamic linker.
+ */
+void _rtld_error(const char *fmt, ...);
+
+/*
+ * File lock contention is difficult to diagnose without knowing
+ * where locks were set. Allow a debug library to be built which
+ * records the source file and line number of each lock call.
+ */
+#ifdef	_FLOCK_DEBUG
+#define _FLOCKFILE(x)	_flockfile_debug(x, __FILE__, __LINE__)
+#else
+#define _FLOCKFILE(x)	_flockfile(x)
+#endif
+
+/*
+ * Macros for locking and unlocking FILEs. These test if the
+ * process is threaded to avoid locking when not required.
+ */
+#define	FLOCKFILE(fp)		if (__isthreaded) _FLOCKFILE(fp)
+#define	FUNLOCKFILE(fp)		if (__isthreaded) _funlockfile(fp)
+
+struct _spinlock;
+extern struct _spinlock __stdio_thread_lock __hidden;
+#define STDIO_THREAD_LOCK()				\
+do {							\
+	if (__isthreaded)				\
+		_SPINLOCK(&__stdio_thread_lock);	\
+} while (0)
+#define STDIO_THREAD_UNLOCK()				\
+do {							\
+	if (__isthreaded)				\
+		_SPINUNLOCK(&__stdio_thread_lock);	\
+} while (0)
+
+void		__libc_spinlock_stub(struct _spinlock *);
+void		__libc_spinunlock_stub(struct _spinlock *);
+
+/*
+ * Indexes into the pthread jump table.
+ *
+ * Warning! If you change this type, you must also change the threads
+ * libraries that reference it (libc_r, libpthread).
+ */
+typedef enum {
+	PJT_ATFORK,
+	PJT_ATTR_DESTROY,
+	PJT_ATTR_GETDETACHSTATE,
+	PJT_ATTR_GETGUARDSIZE,
+	PJT_ATTR_GETINHERITSCHED,
+	PJT_ATTR_GETSCHEDPARAM,
+	PJT_ATTR_GETSCHEDPOLICY,
+	PJT_ATTR_GETSCOPE,
+	PJT_ATTR_GETSTACKADDR,
+	PJT_ATTR_GETSTACKSIZE,
+	PJT_ATTR_INIT,
+	PJT_ATTR_SETDETACHSTATE,
+	PJT_ATTR_SETGUARDSIZE,
+	PJT_ATTR_SETINHERITSCHED,
+	PJT_ATTR_SETSCHEDPARAM,
+	PJT_ATTR_SETSCHEDPOLICY,
+	PJT_ATTR_SETSCOPE,
+	PJT_ATTR_SETSTACKADDR,
+	PJT_ATTR_SETSTACKSIZE,
+	PJT_CANCEL,
+	PJT_CLEANUP_POP,
+	PJT_CLEANUP_PUSH,
+	PJT_COND_BROADCAST,
+	PJT_COND_DESTROY,
+	PJT_COND_INIT,
+	PJT_COND_SIGNAL,
+	PJT_COND_TIMEDWAIT,
+	PJT_COND_WAIT,
+	PJT_DETACH,
+	PJT_EQUAL,
+	PJT_EXIT,
+	PJT_GETSPECIFIC,
+	PJT_JOIN,
+	PJT_KEY_CREATE,
+	PJT_KEY_DELETE,
+	PJT_KILL,
+	PJT_MAIN_NP,
+	PJT_MUTEXATTR_DESTROY,
+	PJT_MUTEXATTR_INIT,
+	PJT_MUTEXATTR_SETTYPE,
+	PJT_MUTEX_DESTROY,
+	PJT_MUTEX_INIT,
+	PJT_MUTEX_LOCK,
+	PJT_MUTEX_TRYLOCK,
+	PJT_MUTEX_UNLOCK,
+	PJT_ONCE,
+	PJT_RWLOCK_DESTROY,
+	PJT_RWLOCK_INIT,
+	PJT_RWLOCK_RDLOCK,
+	PJT_RWLOCK_TRYRDLOCK,
+	PJT_RWLOCK_TRYWRLOCK,
+	PJT_RWLOCK_UNLOCK,
+	PJT_RWLOCK_WRLOCK,
+	PJT_SELF,
+	PJT_SETCANCELSTATE,
+	PJT_SETCANCELTYPE,
+	PJT_SETSPECIFIC,
+	PJT_SIGMASK,
+	PJT_TESTCANCEL,
+	PJT_CLEANUP_POP_IMP,
+	PJT_CLEANUP_PUSH_IMP,
+	PJT_CANCEL_ENTER,
+	PJT_CANCEL_LEAVE,
+	PJT_MUTEX_CONSISTENT,
+	PJT_MUTEXATTR_GETROBUST,
+	PJT_MUTEXATTR_SETROBUST,
+	PJT_GETTHREADID_NP,
+	PJT_ATTR_GET_NP,
+	PJT_GETNAME_NP,
+	PJT_MAX
+} pjt_index_t;
+
+typedef int (*pthread_func_t)(void);
+typedef pthread_func_t pthread_func_entry_t[2];
+
+extern pthread_func_entry_t __thr_jtable[];
+
+void	__set_error_selector(int *(*arg)(void));
+int	_pthread_mutex_init_calloc_cb_stub(pthread_mutex_t *mutex,
+	    void *(calloc_cb)(__size_t, __size_t));
+
+typedef int (*interpos_func_t)(void);
+interpos_func_t *__libc_interposing_slot(int interposno);
+extern interpos_func_t __libc_interposing[] __hidden;
+
+enum {
+	INTERPOS_accept,
+	INTERPOS_accept4,
+	INTERPOS_aio_suspend,
+	INTERPOS_close,
+	INTERPOS_connect,
+	INTERPOS_fcntl,
+	INTERPOS_fsync,
+	INTERPOS_fork,
+	INTERPOS_msync,
+	INTERPOS_nanosleep,
+	INTERPOS_openat,
+	INTERPOS_poll,
+	INTERPOS_pselect,
+	INTERPOS_recvfrom,
+	INTERPOS_recvmsg,
+	INTERPOS_select,
+	INTERPOS_sendmsg,
+	INTERPOS_sendto,
+	INTERPOS_setcontext,
+	INTERPOS_sigaction,
+	INTERPOS_sigprocmask,
+	INTERPOS_sigsuspend,
+	INTERPOS_sigwait,
+	INTERPOS_sigtimedwait,
+	INTERPOS_sigwaitinfo,
+	INTERPOS_swapcontext,
+	INTERPOS_system,
+	INTERPOS_tcdrain,
+	INTERPOS_read,
+	INTERPOS_readv,
+	INTERPOS_wait4,
+	INTERPOS_write,
+	INTERPOS_writev,
+	INTERPOS__pthread_mutex_init_calloc_cb,
+	INTERPOS_spinlock,
+	INTERPOS_spinunlock,
+	INTERPOS_kevent,
+	INTERPOS_wait6,
+	INTERPOS_ppoll,
+	INTERPOS_map_stacks_exec,
+	INTERPOS_fdatasync,
+	INTERPOS_clock_nanosleep,
+	INTERPOS_distribute_static_tls,
+	INTERPOS_pdfork,
+	INTERPOS_MAX
+};
+
+/*
+ * yplib internal interfaces
+ */
+#ifdef YP
+int _yp_check(char **);
+#endif
+
+void __libc_start1(int, char *[], char *[],
+    void (*)(void), int (*)(int, char *[], char *[])) __dead2;
+void __libc_start1_gcrt(int, char *[], char *[],
+    void (*)(void), int (*)(int, char *[], char *[]),
+    int *, int *) __dead2;
+
+/*
+ * Initialise TLS for static programs
+ */
+void _init_tls(void);
+
+/*
+ * Provides pthread_once()-like functionality for both single-threaded
+ * and multi-threaded applications.
+ */
+int _once(pthread_once_t *, void (*)(void));
+
+/*
+ * This is a pointer in the C run-time startup code. It is used
+ * by getprogname() and setprogname().
+ */
+extern const char *__progname;
+
+/*
+ * This function is used by the threading libraries to notify malloc that a
+ * thread is exiting.
+ */
+void _malloc_thread_cleanup(void);
+
+/*
+ * This function is used by the threading libraries to notify libc that a
+ * thread is exiting, so its thread-local dtors should be called.
+ */
+void __cxa_thread_call_dtors(void);
+int __cxa_thread_atexit_hidden(void (*dtor_func)(void *), void *obj,
+    void *dso_symbol) __hidden;
+
+/*
+ * These functions are used by the threading libraries in order to protect
+ * malloc across fork().
+ */
+void _malloc_prefork(void);
+void _malloc_postfork(void);
+
+void _malloc_first_thread(void);
+
+/*
+ * Function to clean up streams, called from abort() and exit().
+ */
+extern void (*__cleanup)(void) __hidden;
+
+/*
+ * Get kern.osreldate to detect ABI revisions.  Explicitly
+ * ignores value of $OSVERSION and caches result.
+ */
+int __getosreldate(void);
+#include <sys/_types.h>
+#include <sys/_sigset.h>
+
+struct aiocb;
+struct fd_set;
+struct iovec;
+struct kevent;
+struct msghdr;
+struct pollfd;
+struct rusage;
+struct sigaction;
+struct sockaddr;
+struct stat;
+struct statfs;
+struct timespec;
+struct timeval;
+struct timezone;
+struct __siginfo;
+struct __ucontext;
+struct __wrusage;
+enum idtype;
+int		__sys_aio_suspend(const struct aiocb * const[], int,
+		    const struct timespec *);
+int		__sys_accept(int, struct sockaddr *, __socklen_t *);
+int		__sys_accept4(int, struct sockaddr *, __socklen_t *, int);
+int		__sys_clock_gettime(__clockid_t, struct timespec *ts);
+int		__sys_clock_nanosleep(__clockid_t, int,
+		    const struct timespec *, struct timespec *);
+int		__sys_close(int);
+int		__sys_close_range(unsigned, unsigned, int);
+int		__sys_connect(int, const struct sockaddr *, __socklen_t);
+int		__sys_fcntl(int, int, ...);
+int		__sys_fdatasync(int);
+int		__sys_fstat(int fd, struct stat *);
+int		__sys_fstatfs(int fd, struct statfs *);
+int		__sys_fstatat(int, const char *, struct stat *, int);
+int		__sys_fsync(int);
+__pid_t		__sys_fork(void);
+int		__sys_ftruncate(int, __off_t);
+__ssize_t	__sys_getdirentries(int, char *, __size_t, __off_t *);
+int		__sys_getfsstat(struct statfs *, long, int);
+int		__sys_gettimeofday(struct timeval *, struct timezone *);
+int		__sys_kevent(int, const struct kevent *, int, struct kevent *,
+		    int, const struct timespec *);
+__off_t		__sys_lseek(int, __off_t, int);
+void	       *__sys_mmap(void *, __size_t, int, int, int, __off_t);
+int		__sys_msync(void *, __size_t, int);
+int		__sys_nanosleep(const struct timespec *, struct timespec *);
+int		__sys_open(const char *, int, ...);
+int		__sys_openat(int, const char *, int, ...);
+int		__sys_pdfork(int *, int);
+int		__sys_pselect(int, struct fd_set *, struct fd_set *,
+		    struct fd_set *, const struct timespec *,
+		    const __sigset_t *);
+int		__sys_ptrace(int, __pid_t, char *, int);
+int		__sys_poll(struct pollfd *, unsigned, int);
+int		__sys_ppoll(struct pollfd *, unsigned, const struct timespec *,
+		    const __sigset_t *);
+__ssize_t	__sys_pread(int, void *, __size_t, __off_t);
+__ssize_t	__sys_pwrite(int, const void *, __size_t, __off_t);
+__ssize_t	__sys_read(int, void *, __size_t);
+__ssize_t	__sys_readv(int, const struct iovec *, int);
+__ssize_t	__sys_recv(int, void *, __size_t, int);
+__ssize_t	__sys_recvfrom(int, void *, __size_t, int, struct sockaddr *,
+		    __socklen_t *);
+__ssize_t	__sys_recvmsg(int, struct msghdr *, int);
+int		__sys_sched_getcpu(void);
+int		__sys_select(int, struct fd_set *, struct fd_set *,
+		    struct fd_set *, struct timeval *);
+__ssize_t	__sys_sendmsg(int, const struct msghdr *, int);
+__ssize_t	__sys_sendto(int, const void *, __size_t, int,
+		    const struct sockaddr *, __socklen_t);
+int		__sys_setcontext(const struct __ucontext *);
+int		__sys_sigaction(int, const struct sigaction *,
+		    struct sigaction *);
+int		__sys_sigprocmask(int, const __sigset_t *, __sigset_t *);
+int		__sys_sigsuspend(const __sigset_t *);
+int		__sys_sigtimedwait(const __sigset_t *, struct __siginfo *,
+		    const struct timespec *);
+int		__sys_sigwait(const __sigset_t *, int *);
+int		__sys_sigwaitinfo(const __sigset_t *, struct __siginfo *);
+int		__sys___specialfd(int, const void *, __size_t);
+int		__sys_statfs(const char *, struct statfs *);
+int		__sys_swapcontext(struct __ucontext *,
+		    const struct __ucontext *);
+int		__sys_thr_kill(long, int);
+int		__sys_thr_self(long *);
+int		__sys_truncate(const char *, __off_t);
+__pid_t		__sys_wait4(__pid_t, int *, int, struct rusage *);
+__pid_t		__sys_wait6(enum idtype, __id_t, int *, int,
+		    struct __wrusage *, struct __siginfo *);
+__ssize_t	__sys_write(int, const void *, __size_t);
+__ssize_t	__sys_writev(int, const struct iovec *, int);
+int		__sys_shm_open2(const char *, int, __mode_t, int, const char *);
+
+int		__libc_sigaction(int, const struct sigaction *,
+		    struct sigaction *) __hidden;
+int		__libc_sigprocmask(int, const __sigset_t *, __sigset_t *)
+		    __hidden;
+int		__libc_sigsuspend(const __sigset_t *) __hidden;
+int		__libc_sigwait(const __sigset_t * __restrict,
+		    int * restrict sig);
+int		__libc_system(const char *);
+int		__libc_tcdrain(int);
+int		__fcntl_compat(int fd, int cmd, ...);
+
+int		__sys_futimens(int fd, const struct timespec *times) __hidden;
+int		__sys_utimensat(int fd, const char *path,
+		    const struct timespec *times, int flag) __hidden;
+
+int _elf_aux_info(int aux, void *buf, int buflen);
+struct dl_phdr_info;
+int __elf_phdr_match_addr(struct dl_phdr_info *, void *);
+void __init_elf_aux_vector(void);
+void __libc_map_stacks_exec(void);
+void __libc_distribute_static_tls(__size_t, void *, __size_t, __size_t);
+__uintptr_t __libc_static_tls_base(__size_t);
+
+void	_pthread_cancel_enter(int);
+void	_pthread_cancel_leave(int);
+
+struct _pthread_cleanup_info;
+void	___pthread_cleanup_push_imp(void (*)(void *), void *,
+	    struct _pthread_cleanup_info *);
+void	___pthread_cleanup_pop_imp(int);
+
+void __throw_constraint_handler_s(const char * restrict msg, int error);
+
+struct __nl_cat_d;
+struct _xlocale;
+struct __nl_cat_d *__catopen_l(const char *name, int type,
+	    struct _xlocale *locale);
+int __strerror_rl(int errnum, char *strerrbuf, __size_t buflen,
+	    struct _xlocale *locale);
+
+#endif /* _LIBC_PRIVATE_H_ */