Remove ldd libc4 support

The older libc versions are obsolete for over twenty years now.
This commit is contained in:
Adhemerval Zanella 2022-08-02 11:29:22 -03:00
parent 8ee878592c
commit 36676f5e5d
13 changed files with 2 additions and 136 deletions

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@ -866,7 +866,7 @@ endif
+extra-math-flags = $(if $(filter libm,$(in-module)),-fno-math-errno,-fmath-errno)
# Use 64 bit time_t support for installed programs
installed-modules = nonlib nscd lddlibc4 ldconfig locale_programs \
installed-modules = nonlib nscd ldconfig locale_programs \
iconvprogs libnss_files libnss_compat libnss_db libnss_hesiod \
libutil libpcprofile libSegFault
+extra-time-flags = $(if $(filter $(installed-modules),\
@ -966,7 +966,7 @@ endif # $(+cflags) == ""
libio-include = -I$(..)libio
# List of non-library modules that we build.
built-modules = iconvprogs iconvdata ldconfig lddlibc4 libmemusage \
built-modules = iconvprogs iconvdata ldconfig libmemusage \
libSegFault libpcprofile librpcsvc locale-programs \
memusagestat nonlib nscd extramodules libnldbl libsupport \
testsuite testsuite-internal

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@ -393,8 +393,6 @@ endif
ifeq ($(subdir),elf)
sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir
libof-lddlibc4 = lddlibc4
others += pldd
install-bin += pldd
$(objpfx)pldd: $(objpfx)xmalloc.o

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@ -2,4 +2,3 @@
# Local configure fragment for sysdeps/unix/sysv/linux/csky
arch_minimum_kernel=4.20.0
ldd_rewrite_script=sysdeps/unix/sysv/linux/ldd-rewrite.sed

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@ -2,4 +2,3 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/csky
arch_minimum_kernel=4.20.0
ldd_rewrite_script=sysdeps/unix/sysv/linux/ldd-rewrite.sed

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@ -7,11 +7,6 @@ sysdep_routines += ioperm iopl vm86
tests += tst-bz21269
endif
ifeq ($(subdir),elf)
sysdep-others += lddlibc4
install-bin += lddlibc4
endif
ifeq ($(subdir),io)
sysdep_routines += libc-do-syscall libc-do-syscall-int80
endif

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@ -2,4 +2,3 @@
# Local configure fragment for sysdeps/unix/sysv/linux/i386.
libc_cv_gcc_unwind_find_fde=yes
ldd_rewrite_script=sysdeps/unix/sysv/linux/ldd-rewrite.sed

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@ -2,4 +2,3 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/i386.
libc_cv_gcc_unwind_find_fde=yes
ldd_rewrite_script=sysdeps/unix/sysv/linux/ldd-rewrite.sed

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@ -1,10 +0,0 @@
/Maybe extra code for non-ELF binaries/a\
file=$1\
# Run the ldd stub.\
lddlibc4 "$file"\
# Test the result.\
if test $? -lt 3; then\
return 0;\
fi\
# In case of an error punt.
/LD_TRACE_LOADED_OBJECTS=1/a\

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@ -1,104 +0,0 @@
/* Stub for ldd script to print Linux libc4 dependencies.
Copyright (C) 1998-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
/* This code is based on the `ldd' program code from the Linux ld.so
package. */
#include <a.out.h>
#include <errno.h>
#include <error.h>
#include <libintl.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* Get libc version number. */
#include "../version.h"
#define PACKAGE _libc_intl_domainname
int
main (int argc, char *argv[])
{
const char *filename;
size_t filename_len;
struct exec exec;
char *buf;
FILE *fp;
/* Set locale via LC_ALL. */
setlocale (LC_ALL, "");
/* Set the text message domain. */
textdomain (PACKAGE);
/* We expect exactly one argument. */
if (argc != 2)
return 1;
if (strcmp (argv[1], "--help") == 0)
{
printf (gettext ("Usage: lddlibc4 FILE\n\n"));
printf (gettext ("For bug reporting instructions, please see:\n\
%s.\n"), REPORT_BUGS_TO);
return 0;
}
else if (strcmp (argv[1], "--version") == 0)
{
printf ("lddlibc4 %s%s\n", PKGVERSION, VERSION);
printf (gettext ("\
Copyright (C) %s Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
"), "2022");
return 0;
}
filename = argv[1];
/* First see whether this is really an a.out binary. */
fp = fopen (filename, "rb");
if (fp == NULL)
error (2, errno, gettext ("cannot open `%s'"), filename);
/* Read the program header. */
if (fread (&exec, sizeof exec, 1, fp) < 1)
error (2, errno, gettext ("cannot read header from `%s'"), filename);
/* Test for the magic numbers. */
if (N_MAGIC (exec) != ZMAGIC && N_MAGIC (exec) != QMAGIC
&& N_MAGIC (exec) != OMAGIC)
exit (3);
/* We don't need the file open anymore. */
fclose (fp);
/* We must put `__LDD_ARGV0=<program-name>' in the environment. */
filename_len = strlen (filename);
buf = (char *) alloca (sizeof "__LDD_ARGV0=" + filename_len);
mempcpy (mempcpy (buf, "__LDD_ARGV0=", sizeof "__LDD_ARGV0=" - 1),
filename, filename_len + 1);
/* ...and put the value in the environment. */
putenv (buf);
/* Now we can execute the binary. */
return execv (filename, &argv[argc]) ? 4 : 0;
}

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@ -15,8 +15,3 @@ ifeq ($(subdir),misc)
sysdep_routines += mremap
sysdep_headers += sys/reg.h
endif
ifeq ($(subdir),elf)
sysdep-others += lddlibc4
install-bin += lddlibc4
endif

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@ -6,4 +6,3 @@ m68k/coldfire)
libc_cv_gcc_unwind_find_fde=yes
;;
esac
ldd_rewrite_script=sysdeps/unix/sysv/linux/ldd-rewrite.sed

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@ -7,4 +7,3 @@ m68k/coldfire)
libc_cv_gcc_unwind_find_fde=yes
;;
esac
ldd_rewrite_script=sysdeps/unix/sysv/linux/ldd-rewrite.sed

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@ -13,8 +13,6 @@ endif
ifeq ($(subdir),elf)
CFLAGS-rtld.c += -mcpu=v8
#rtld-routines += dl-sysdepsparc
sysdep-others += lddlibc4
install-bin += lddlibc4
endif # elf
ifeq ($(subdir),math)