building glibc from source
This commit is contained in:
Andrew Kelley
parent
aeb16010f3
commit
c5fdea59d3
@ -1270,7 +1270,6 @@ set(ZIG_LIBC_FILES
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"glibc/csu/elf-init.c"
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"glibc/csu/init.c"
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"glibc/debug/stack_chk_fail_local.c"
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"glibc/debug/warning-nop.c"
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"glibc/include/alloca.h"
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"glibc/include/bits/types.h"
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"glibc/include/bits/types/__locale_t.h"
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@ -1399,6 +1398,9 @@ set(ZIG_LIBC_FILES
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"glibc/bits/signum-generic.h"
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"glibc/include/bits/types/sig_atomic_t.h"
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"glibc/signal/bits/types/sig_atomic_t.h"
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"glibc/sysdeps/unix/sysv/linux/x86/bits/stat.h"
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"glibc/sysdeps/unix/sysv/linux/generic/bits/stat.h"
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"glibc/sysdeps/unix/sysv/linux/bits/stat.h"
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"symbols.zig"
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)
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@ -1,70 +0,0 @@
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/* Dummy nop functions to elicit link-time warnings.
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Copyright (C) 2005-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file with other
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programs, and to distribute those programs without any restriction
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coming from the use of this file. (The GNU Lesser General Public
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License restrictions do apply in other respects; for example, they
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cover modification of the file, and distribution when not linked
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into another program.)
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Note that people who make modified versions of this file are not
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obligated to grant this special exception for their modified
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versions; it is their choice whether to do so. The GNU Lesser
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General Public License gives permission to release a modified
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version without this exception; this exception also makes it
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possible to release a modified version which carries forward this
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exception.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sys/cdefs.h>
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static void
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__attribute__ ((used))
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nop (void)
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{
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}
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/* Don't insert any other #include's before this #undef! */
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#undef __warndecl
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#define __warndecl(name, msg) \
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extern void name (void) __attribute__ ((alias ("nop"))) attribute_hidden; \
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link_warning (name, msg)
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#undef __USE_FORTIFY_LEVEL
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#define __USE_FORTIFY_LEVEL 99
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/* Following here we need an #include for each public header file
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that uses __warndecl. */
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/* Define away to avoid warnings with compilers that do not have these
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builtins. */
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#define __builtin___memcpy_chk(dest, src, len, bos) NULL
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#define __builtin___memmove_chk(dest, src, len, bos) NULL
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#define __builtin___mempcpy_chk(dest, src, len, bos) NULL
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#define __builtin___memset_chk(dest, ch, len, bos) NULL
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#define __builtin___stpcpy_chk(dest, src, bos) NULL
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#define __builtin___strcat_chk(dest, src, bos) NULL
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#define __builtin___strcpy_chk(dest, src, bos) NULL
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#define __builtin___strncat_chk(dest, src, len, bos) NULL
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#define __builtin___strncpy_chk(dest, src, len, bos) NULL
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#define __builtin_object_size(bos, level) 0
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#include <string.h>
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@ -33,9 +33,14 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include "pthreadP.h"
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#include <fork.h>
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#include <dso_handle.h>
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extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void),
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void (*child) (void));
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extern int __register_atfork (void (*__prepare) (void),
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void (*__parent) (void),
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void (*__child) (void),
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void *dso_handle);
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libc_hidden_proto (__register_atfork)
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extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));
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/* Hide the symbol so that no definition but the one locally in the
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@ -32,14 +32,12 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <dso_handle.h>
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#include "exit.h"
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extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));
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extern int __cxa_at_quick_exit (void (*func) (void *), void *d);
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/* Register FUNC to be executed by `quick_exit'. */
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int
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attribute_hidden
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__attribute__ ((__visibility__ ("hidden")))
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at_quick_exit (void (*func) (void))
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{
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return __cxa_at_quick_exit ((void (*) (void *)) func, __dso_handle);
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@ -32,16 +32,14 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <dso_handle.h>
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#include "exit.h"
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extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
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libc_hidden_proto (__cxa_atexit);
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extern void *__dso_handle __attribute__ ((__visibility__ ("hidden")));
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/* Register FUNC to be executed by `exit'. */
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int
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#ifndef atexit
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attribute_hidden
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#endif
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__attribute__ ((__visibility__ ("hidden")))
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atexit (void (*func) (void))
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{
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return __cxa_atexit ((void (*) (void *)) func, NULL, __dso_handle);
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return __cxa_atexit ((void (*) (void *)) func, 0, __dso_handle);
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}
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172
libc/glibc/sysdeps/unix/sysv/linux/bits/stat.h
Normal file
172
libc/glibc/sysdeps/unix/sysv/linux/bits/stat.h
Normal file
@ -0,0 +1,172 @@
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/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#if !defined _SYS_STAT_H && !defined _FCNTL_H
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# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
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#endif
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#ifndef _BITS_STAT_H
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#define _BITS_STAT_H 1
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/* Versions of the `struct stat' data structure. */
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#define _STAT_VER_LINUX_OLD 1
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#define _STAT_VER_KERNEL 1
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#define _STAT_VER_SVR4 2
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#define _STAT_VER_LINUX 3
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#define _STAT_VER _STAT_VER_LINUX /* The one defined below. */
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/* Versions of the `xmknod' interface. */
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#define _MKNOD_VER_LINUX 1
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#define _MKNOD_VER_SVR4 2
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#define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
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struct stat
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{
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__dev_t st_dev; /* Device. */
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unsigned short int __pad1;
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#ifndef __USE_FILE_OFFSET64
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__ino_t st_ino; /* File serial number. */
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#else
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__ino_t __st_ino; /* 32bit file serial number. */
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#endif
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__mode_t st_mode; /* File mode. */
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__nlink_t st_nlink; /* Link count. */
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__uid_t st_uid; /* User ID of the file's owner. */
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__gid_t st_gid; /* Group ID of the file's group.*/
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__dev_t st_rdev; /* Device number, if device. */
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unsigned short int __pad2;
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#ifndef __USE_FILE_OFFSET64
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__off_t st_size; /* Size of file, in bytes. */
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#else
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__off64_t st_size; /* Size of file, in bytes. */
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#endif
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__blksize_t st_blksize; /* Optimal block size for I/O. */
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#ifndef __USE_FILE_OFFSET64
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__blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
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#else
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__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
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#endif
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#ifdef __USE_XOPEN2K8
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/* Nanosecond resolution timestamps are stored in a format
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equivalent to 'struct timespec'. This is the type used
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whenever possible but the Unix namespace rules do not allow the
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identifier 'timespec' to appear in the <sys/stat.h> header.
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Therefore we have to handle the use of this header in strictly
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standard-compliant sources special. */
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struct timespec st_atim; /* Time of last access. */
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struct timespec st_mtim; /* Time of last modification. */
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struct timespec st_ctim; /* Time of last status change. */
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# define st_atime st_atim.tv_sec /* Backward compatibility. */
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# define st_mtime st_mtim.tv_sec
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# define st_ctime st_ctim.tv_sec
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#else
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__time_t st_atime; /* Time of last access. */
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unsigned long int st_atimensec; /* Nscecs of last access. */
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__time_t st_mtime; /* Time of last modification. */
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unsigned long int st_mtimensec; /* Nsecs of last modification. */
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__time_t st_ctime; /* Time of last status change. */
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unsigned long int st_ctimensec; /* Nsecs of last status change. */
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#endif
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#ifndef __USE_FILE_OFFSET64
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unsigned long int __glibc_reserved4;
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unsigned long int __glibc_reserved5;
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#else
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__ino64_t st_ino; /* File serial number. */
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#endif
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};
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#ifdef __USE_LARGEFILE64
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struct stat64
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{
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__dev_t st_dev; /* Device. */
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unsigned int __pad1;
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__ino_t __st_ino; /* 32bit file serial number. */
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__mode_t st_mode; /* File mode. */
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__nlink_t st_nlink; /* Link count. */
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__uid_t st_uid; /* User ID of the file's owner. */
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__gid_t st_gid; /* Group ID of the file's group.*/
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__dev_t st_rdev; /* Device number, if device. */
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unsigned int __pad2;
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__off64_t st_size; /* Size of file, in bytes. */
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__blksize_t st_blksize; /* Optimal block size for I/O. */
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__blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
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# ifdef __USE_XOPEN2K8
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/* Nanosecond resolution timestamps are stored in a format
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equivalent to 'struct timespec'. This is the type used
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whenever possible but the Unix namespace rules do not allow the
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identifier 'timespec' to appear in the <sys/stat.h> header.
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Therefore we have to handle the use of this header in strictly
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standard-compliant sources special. */
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struct timespec st_atim; /* Time of last access. */
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struct timespec st_mtim; /* Time of last modification. */
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struct timespec st_ctim; /* Time of last status change. */
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# else
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__time_t st_atime; /* Time of last access. */
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unsigned long int st_atimensec; /* Nscecs of last access. */
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__time_t st_mtime; /* Time of last modification. */
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unsigned long int st_mtimensec; /* Nsecs of last modification. */
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__time_t st_ctime; /* Time of last status change. */
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unsigned long int st_ctimensec; /* Nsecs of last status change. */
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# endif
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__ino64_t st_ino; /* File serial number. */
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};
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#endif
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/* Tell code we have these members. */
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#define _STATBUF_ST_BLKSIZE
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#define _STATBUF_ST_RDEV
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/* Nanosecond resolution time values are supported. */
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#define _STATBUF_ST_NSEC
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/* Encoding of the file mode. */
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#define __S_IFMT 0170000 /* These bits determine file type. */
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/* File types. */
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#define __S_IFDIR 0040000 /* Directory. */
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#define __S_IFCHR 0020000 /* Character device. */
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#define __S_IFBLK 0060000 /* Block device. */
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#define __S_IFREG 0100000 /* Regular file. */
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#define __S_IFIFO 0010000 /* FIFO. */
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#define __S_IFLNK 0120000 /* Symbolic link. */
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#define __S_IFSOCK 0140000 /* Socket. */
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/* POSIX.1b objects. Note that these macros always evaluate to zero. But
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they do it by enforcing the correct use of the macros. */
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#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
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#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
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#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
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/* Protection bits. */
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#define __S_ISUID 04000 /* Set user ID on execution. */
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#define __S_ISGID 02000 /* Set group ID on execution. */
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#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
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#define __S_IREAD 0400 /* Read by owner. */
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#define __S_IWRITE 0200 /* Write by owner. */
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#define __S_IEXEC 0100 /* Execute by owner. */
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#ifdef __USE_ATFILE
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# define UTIME_NOW ((1l << 30) - 1l)
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# define UTIME_OMIT ((1l << 30) - 2l)
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#endif
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#endif /* bits/stat.h */
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171
libc/glibc/sysdeps/unix/sysv/linux/generic/bits/stat.h
Normal file
171
libc/glibc/sysdeps/unix/sysv/linux/generic/bits/stat.h
Normal file
@ -0,0 +1,171 @@
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/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
|
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Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library. If not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#if !defined _SYS_STAT_H && !defined _FCNTL_H
|
||||
# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
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||||
#endif
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||||
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||||
#ifndef _BITS_STAT_H
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||||
#define _BITS_STAT_H 1
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||||
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#include <endian.h>
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||||
#include <bits/wordsize.h>
|
||||
|
||||
/* 64-bit libc uses the kernel's 'struct stat', accessed via the
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||||
stat() syscall; 32-bit libc uses the kernel's 'struct stat64'
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||||
and accesses it via the stat64() syscall. All the various
|
||||
APIs offered by libc use the kernel shape for their struct stat
|
||||
structure; the only difference is that 32-bit programs not
|
||||
using __USE_FILE_OFFSET64 only see the low 32 bits of some
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||||
of the fields (specifically st_ino, st_size, and st_blocks). */
|
||||
#define _STAT_VER_KERNEL 0
|
||||
#define _STAT_VER_LINUX 0
|
||||
#define _STAT_VER _STAT_VER_KERNEL
|
||||
|
||||
/* Versions of the `xmknod' interface. */
|
||||
#define _MKNOD_VER_LINUX 0
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||||
|
||||
#if defined __USE_FILE_OFFSET64
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||||
# define __field64(type, type64, name) type64 name
|
||||
#elif __WORDSIZE == 64
|
||||
# define __field64(type, type64, name) type name
|
||||
#elif __BYTE_ORDER == __LITTLE_ENDIAN
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||||
# define __field64(type, type64, name) \
|
||||
type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
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||||
#else
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||||
# define __field64(type, type64, name) \
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||||
int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
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||||
#endif
|
||||
|
||||
struct stat
|
||||
{
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||||
__dev_t st_dev; /* Device. */
|
||||
__field64(__ino_t, __ino64_t, st_ino); /* File serial number. */
|
||||
__mode_t st_mode; /* File mode. */
|
||||
__nlink_t st_nlink; /* Link count. */
|
||||
__uid_t st_uid; /* User ID of the file's owner. */
|
||||
__gid_t st_gid; /* Group ID of the file's group.*/
|
||||
__dev_t st_rdev; /* Device number, if device. */
|
||||
__dev_t __pad1;
|
||||
__field64(__off_t, __off64_t, st_size); /* Size of file, in bytes. */
|
||||
__blksize_t st_blksize; /* Optimal block size for I/O. */
|
||||
int __pad2;
|
||||
__field64(__blkcnt_t, __blkcnt64_t, st_blocks); /* 512-byte blocks */
|
||||
#ifdef __USE_XOPEN2K8
|
||||
/* Nanosecond resolution timestamps are stored in a format
|
||||
equivalent to 'struct timespec'. This is the type used
|
||||
whenever possible but the Unix namespace rules do not allow the
|
||||
identifier 'timespec' to appear in the <sys/stat.h> header.
|
||||
Therefore we have to handle the use of this header in strictly
|
||||
standard-compliant sources special. */
|
||||
struct timespec st_atim; /* Time of last access. */
|
||||
struct timespec st_mtim; /* Time of last modification. */
|
||||
struct timespec st_ctim; /* Time of last status change. */
|
||||
# define st_atime st_atim.tv_sec /* Backward compatibility. */
|
||||
# define st_mtime st_mtim.tv_sec
|
||||
# define st_ctime st_ctim.tv_sec
|
||||
#else
|
||||
__time_t st_atime; /* Time of last access. */
|
||||
unsigned long int st_atimensec; /* Nscecs of last access. */
|
||||
__time_t st_mtime; /* Time of last modification. */
|
||||
unsigned long int st_mtimensec; /* Nsecs of last modification. */
|
||||
__time_t st_ctime; /* Time of last status change. */
|
||||
unsigned long int st_ctimensec; /* Nsecs of last status change. */
|
||||
#endif
|
||||
int __glibc_reserved[2];
|
||||
};
|
||||
|
||||
#undef __field64
|
||||
|
||||
#ifdef __USE_LARGEFILE64
|
||||
struct stat64
|
||||
{
|
||||
__dev_t st_dev; /* Device. */
|
||||
__ino64_t st_ino; /* File serial number. */
|
||||
__mode_t st_mode; /* File mode. */
|
||||
__nlink_t st_nlink; /* Link count. */
|
||||
__uid_t st_uid; /* User ID of the file's owner. */
|
||||
__gid_t st_gid; /* Group ID of the file's group.*/
|
||||
__dev_t st_rdev; /* Device number, if device. */
|
||||
__dev_t __pad1;
|
||||
__off64_t st_size; /* Size of file, in bytes. */
|
||||
__blksize_t st_blksize; /* Optimal block size for I/O. */
|
||||
int __pad2;
|
||||
__blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */
|
||||
#ifdef __USE_XOPEN2K8
|
||||
/* Nanosecond resolution timestamps are stored in a format
|
||||
equivalent to 'struct timespec'. This is the type used
|
||||
whenever possible but the Unix namespace rules do not allow the
|
||||
identifier 'timespec' to appear in the <sys/stat.h> header.
|
||||
Therefore we have to handle the use of this header in strictly
|
||||
standard-compliant sources special. */
|
||||
struct timespec st_atim; /* Time of last access. */
|
||||
struct timespec st_mtim; /* Time of last modification. */
|
||||
struct timespec st_ctim; /* Time of last status change. */
|
||||
#else
|
||||
__time_t st_atime; /* Time of last access. */
|
||||
unsigned long int st_atimensec; /* Nscecs of last access. */
|
||||
__time_t st_mtime; /* Time of last modification. */
|
||||
unsigned long int st_mtimensec; /* Nsecs of last modification. */
|
||||
__time_t st_ctime; /* Time of last status change. */
|
||||
unsigned long int st_ctimensec; /* Nsecs of last status change. */
|
||||
#endif
|
||||
int __glibc_reserved[2];
|
||||
};
|
||||
#endif
|
||||
|
||||
/* Tell code we have these members. */
|
||||
#define _STATBUF_ST_BLKSIZE
|
||||
#define _STATBUF_ST_RDEV
|
||||
/* Nanosecond resolution time values are supported. */
|
||||
#define _STATBUF_ST_NSEC
|
||||
|
||||
/* Encoding of the file mode. */
|
||||
|
||||
#define __S_IFMT 0170000 /* These bits determine file type. */
|
||||
|
||||
/* File types. */
|
||||
#define __S_IFDIR 0040000 /* Directory. */
|
||||
#define __S_IFCHR 0020000 /* Character device. */
|
||||
#define __S_IFBLK 0060000 /* Block device. */
|
||||
#define __S_IFREG 0100000 /* Regular file. */
|
||||
#define __S_IFIFO 0010000 /* FIFO. */
|
||||
#define __S_IFLNK 0120000 /* Symbolic link. */
|
||||
#define __S_IFSOCK 0140000 /* Socket. */
|
||||
|
||||
/* POSIX.1b objects. Note that these macros always evaluate to zero. But
|
||||
they do it by enforcing the correct use of the macros. */
|
||||
#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
|
||||
#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
|
||||
#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
|
||||
|
||||
/* Protection bits. */
|
||||
|
||||
#define __S_ISUID 04000 /* Set user ID on execution. */
|
||||
#define __S_ISGID 02000 /* Set group ID on execution. */
|
||||
#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
|
||||
#define __S_IREAD 0400 /* Read by owner. */
|
||||
#define __S_IWRITE 0200 /* Write by owner. */
|
||||
#define __S_IEXEC 0100 /* Execute by owner. */
|
||||
|
||||
#ifdef __USE_ATFILE
|
||||
# define UTIME_NOW ((1l << 30) - 1l)
|
||||
# define UTIME_OMIT ((1l << 30) - 2l)
|
||||
#endif
|
||||
|
||||
#endif /* bits/stat.h */
|
||||
@ -239,7 +239,6 @@ static const char *get_libc_crt_file(CodeGen *parent, const char *file) {
|
||||
{"mknod", "glibc" OS_SEP "io" OS_SEP "mknod.c"},
|
||||
{"mknodat", "glibc" OS_SEP "io" OS_SEP "mknodat.c"},
|
||||
{"pthread_atfork", "glibc" OS_SEP "nptl" OS_SEP "pthread_atfork.c"},
|
||||
{"warning-nop", "glibc" OS_SEP "debug" OS_SEP "warning-nop.c"},
|
||||
{"stack_chk_fail_local", "glibc" OS_SEP "debug" OS_SEP "stack_chk_fail_local.c"},
|
||||
};
|
||||
for (size_t i = 0; i < array_length(deps); i += 1) {
|
||||
@ -253,6 +252,7 @@ static const char *get_libc_crt_file(CodeGen *parent, const char *file) {
|
||||
c_file->args.append("-fno-stack-protector");
|
||||
c_file->args.append("-fmath-errno");
|
||||
c_file->args.append("-ftls-model=initial-exec");
|
||||
c_file->args.append("-Wno-ignored-attributes");
|
||||
c_file->args.append("-I");
|
||||
c_file->args.append(path_from_libc(parent, "glibc" OS_SEP "include"));
|
||||
c_file->args.append("-I");
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user