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libc: Add FreeBSD libc startup code from 14.2.0.

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* NT_FREEBSD_ABI_TAG was manually adjusted from using a hardcoded value to using
  __FreeBSD_version which will be defined by the compiler.
* GCJ stuff was removed.
* HAVE_CTORS definitions were removed.
This commit is contained in:
Alex Rønne Petersen 2025-04-22 08:04:16 +02:00
parent 01390cc533
commit a36dcef7dc
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# @(#)COPYRIGHT 8.2 (Berkeley) 3/21/94
The compilation of software known as FreeBSD is distributed under the
following terms:
Copyright (c) 1992-2023 The FreeBSD Project.
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.
The 4.4BSD and 4.4BSD-Lite software is distributed under the following
terms:
All of the documentation and software included in the 4.4BSD and 4.4BSD-Lite
Releases is copyrighted by The Regents of the University of California.
Copyright 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software
must display the following acknowledgement:
This product includes software developed by the University of
California, Berkeley and its contributors.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
The Institute of Electrical and Electronics Engineers and the American
National Standards Committee X3, on Information Processing Systems have
given us permission to reprint portions of their documentation.
In the following statement, the phrase ``this text'' refers to portions
of the system documentation.
Portions of this text are reprinted and reproduced in electronic form in
the second BSD Networking Software Release, from IEEE Std 1003.1-1988, IEEE
Standard Portable Operating System Interface for Computer Environments
(POSIX), copyright C 1988 by the Institute of Electrical and Electronics
Engineers, Inc. In the event of any discrepancy between these versions
and the original IEEE Standard, the original IEEE Standard is the referee
document.
In the following statement, the phrase ``This material'' refers to portions
of the system documentation.
This material is reproduced with permission from American National
Standards Committee X3, on Information Processing Systems. Computer and
Business Equipment Manufacturers Association (CBEMA), 311 First St., NW,
Suite 500, Washington, DC 20001-2178. The developmental work of
Programming Language C was completed by the X3J11 Technical Committee.
The views and conclusions contained in the software and documentation are
those of the authors and should not be interpreted as representing official
policies, either expressed or implied, of the Regents of the University
of California.
NOTE: The copyright of UC Berkeley's Berkeley Software Distribution ("BSD")
source has been updated. The copyright addendum may be found at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change and is
included below.
July 22, 1999
To All Licensees, Distributors of Any Version of BSD:
As you know, certain of the Berkeley Software Distribution ("BSD") source
code files require that further distributions of products containing all or
portions of the software, acknowledge within their advertising materials
that such products contain software developed by UC Berkeley and its
contributors.
Specifically, the provision reads:
" * 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors."
Effective immediately, licensees and distributors are no longer required to
include the acknowledgement within advertising materials. Accordingly, the
foregoing paragraph of those BSD Unix files containing it is hereby deleted
in its entirety.
William Hoskins
Director, Office of Technology Licensing
University of California, Berkeley

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/* Empty so we can include this unconditionally */

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lib/libc/freebsd/lib/csu/aarch64/crt1_c.c vendored Normal file
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/* 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"

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/* 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)

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/*-
* 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

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/* 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"

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/*-
* 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

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/* Empty so we can include this unconditionally */

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/* 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

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/* 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

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/*-
* 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 */

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/*-
* 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

65
lib/libc/freebsd/lib/csu/common/crtend.c vendored Normal file
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@ -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

50
lib/libc/freebsd/lib/csu/common/csu_common.h vendored Normal file
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@ -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_ */

47
lib/libc/freebsd/lib/csu/common/feature_note.S vendored Normal file
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@ -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

48
lib/libc/freebsd/lib/csu/common/ignore_init_note.S vendored Normal file
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@ -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

32
lib/libc/freebsd/lib/csu/common/notes.h vendored Normal file
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@ -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

30
lib/libc/freebsd/lib/csu/i386/crt.h vendored Normal file
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@ -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

30
lib/libc/freebsd/lib/csu/i386/crt1_c.c vendored Normal file
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@ -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;

91
lib/libc/freebsd/lib/csu/i386/crt1_s.S vendored Normal file
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@ -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

31
lib/libc/freebsd/lib/csu/powerpc/crt.h vendored Normal file
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@ -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

89
lib/libc/freebsd/lib/csu/powerpc/crt1_c.c vendored Normal file
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@ -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

189
lib/libc/freebsd/lib/csu/powerpc/crtsavres.S vendored Normal file
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@ -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

31
lib/libc/freebsd/lib/csu/powerpc64/crt.h vendored Normal file
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@ -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

83
lib/libc/freebsd/lib/csu/powerpc64/crt1_c.c vendored Normal file
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@ -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

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#ifndef _CRT_H_
#define _CRT_H_
/* zig patch: no HAVE_CTORS */
#define INIT_CALL_SEQ(func) "call " __STRING(func)
#endif

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/* 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
}

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/* 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

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/*-
* 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_ */