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Add a testcase for i386 LD_AUDIT
This patch adds a testcase for i386 LD_AUDIT to check function return and parameters passed in registers. * sysdeps/i386/Makefile (tests)[elf]: Add tst-audit3. (modules-names): Add tst-auditmod3a tst-auditmod3b. ($(objpfx)tst-audit3): New rule. ($(objpfx)tst-audit3.out): Likewise. * sysdeps/i386/tst-audit3.c: New file. * sysdeps/i386/tst-audit3.h: Likewise. * sysdeps/i386/tst-auditmod3a.c: Likewise. * sysdeps/i386/tst-auditmod3b.c: Likewise.
This commit is contained in:
H.J. Lu
parent
213a2be7b4
commit
fa9fef1f9b
11
ChangeLog
11
ChangeLog
@ -1,3 +1,14 @@
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2015-07-07 H.J. Lu <hongjiu.lu@intel.com>
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* sysdeps/i386/Makefile (tests)[elf]: Add tst-audit3.
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(modules-names): Add tst-auditmod3a tst-auditmod3b.
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($(objpfx)tst-audit3): New rule.
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($(objpfx)tst-audit3.out): Likewise.
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* sysdeps/i386/tst-audit3.c: New file.
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* sysdeps/i386/tst-audit3.h: Likewise.
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* sysdeps/i386/tst-auditmod3a.c: Likewise.
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* sysdeps/i386/tst-auditmod3b.c: Likewise.
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2015-07-07 Torvald Riegel <triegel@redhat.com>
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[BZ #18633]
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@ -66,6 +66,13 @@ endif
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ifeq ($(subdir),elf)
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sysdep-dl-routines += tlsdesc dl-tlsdesc
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tests += tst-audit3
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modules-names += tst-auditmod3a tst-auditmod3b
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$(objpfx)tst-audit3: $(objpfx)tst-auditmod3a.so
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$(objpfx)tst-audit3.out: $(objpfx)tst-auditmod3b.so
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tst-audit3-ENV = LD_AUDIT=$(objpfx)tst-auditmod3b.so
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endif
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ifeq ($(subdir),csu)
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37
sysdeps/i386/tst-audit3.c
Normal file
37
sysdeps/i386/tst-audit3.c
Normal file
@ -0,0 +1,37 @@
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/* Test case for i386 preserved registers in dynamic linker.
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Copyright (C) 2015 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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#include <stdlib.h>
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#include "tst-audit3.h"
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static int
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do_test (void)
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{
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long long ll = audit1_test (1, 2, 3);
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if (ll != 30)
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abort ();
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float f = audit2_test (1, 2, 3);
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if (f != 30)
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abort ();
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../../test-skeleton.c"
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20
sysdeps/i386/tst-audit3.h
Normal file
20
sysdeps/i386/tst-audit3.h
Normal file
@ -0,0 +1,20 @@
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/* Test case for i386 preserved registers in dynamic linker.
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Copyright (C) 2015 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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extern long long audit1_test (int, int, int) __attribute__ ((regparm(3)));
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extern float audit2_test (int, int, int) __attribute__ ((regparm(3)));
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38
sysdeps/i386/tst-auditmod3a.c
Normal file
38
sysdeps/i386/tst-auditmod3a.c
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@ -0,0 +1,38 @@
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/* Test case for i386 preserved registers in dynamic linker.
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Copyright (C) 2015 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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#include <stdlib.h>
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#include "tst-audit3.h"
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long long
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__attribute__ ((regparm(3)))
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audit1_test (int i, int j, int k)
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{
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if (i != 1 || j != 2 || k != 3)
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abort ();
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return 30;
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}
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float
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__attribute__ ((regparm(3)))
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audit2_test (int i, int j, int k)
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{
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if (i != 1 || j != 2 || k != 3)
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abort ();
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return 30;
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}
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185
sysdeps/i386/tst-auditmod3b.c
Normal file
185
sysdeps/i386/tst-auditmod3b.c
Normal file
@ -0,0 +1,185 @@
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/* Test case for i386 preserved registers in dynamic linker.
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Copyright (C) 2015 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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#include <dlfcn.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <unistd.h>
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#include <link.h>
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#include <bits/wordsize.h>
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#include <gnu/lib-names.h>
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unsigned int
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la_version (unsigned int v)
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{
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setlinebuf (stdout);
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printf ("version: %u\n", v);
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char buf[20];
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sprintf (buf, "%u", v);
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return v;
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}
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void
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la_activity (uintptr_t *cookie, unsigned int flag)
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{
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const char *flagstr;
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switch (flag)
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{
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case LA_ACT_CONSISTENT:
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flagstr = "consistent";
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break;
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case LA_ACT_ADD:
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flagstr = "add";
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break;
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case LA_ACT_DELETE:
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flagstr = "delete";
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break;
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default:
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printf ("activity: unknown activity %u\n", flag);
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return;
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}
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printf ("activity: %s\n", flagstr);
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}
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char *
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la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag)
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{
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const char *flagstr;
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switch (flag)
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{
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case LA_SER_ORIG:
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flagstr = "LA_SET_ORIG";
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break;
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case LA_SER_LIBPATH:
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flagstr = "LA_SER_LIBPATH";
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break;
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case LA_SER_RUNPATH:
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flagstr = "LA_SER_RUNPATH";
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break;
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case LA_SER_CONFIG:
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flagstr = "LA_SER_CONFIG";
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break;
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case LA_SER_DEFAULT:
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flagstr = "LA_SER_DEFAULT";
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case LA_SER_SECURE:
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flagstr = "LA_SER_SECURE";
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break;
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default:
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printf ("objsearch: %s, unknown flag %d\n", name, flag);
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return (char *) name;
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}
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printf ("objsearch: %s, %s\n", name, flagstr);
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return (char *) name;
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}
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unsigned int
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la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie)
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{
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printf ("objopen: %ld, %s\n", lmid, l->l_name);
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return 3;
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}
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void
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la_preinit (uintptr_t *cookie)
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{
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printf ("preinit\n");
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}
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unsigned int
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la_objclose (uintptr_t *cookie)
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{
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printf ("objclose\n");
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return 0;
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}
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uintptr_t
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la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, unsigned int *flags, const char *symname)
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{
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printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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return sym->st_value;
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}
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#include "tst-audit.h"
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ElfW(Addr)
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pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, La_regs *regs, unsigned int *flags,
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const char *symname, long int *framesizep)
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{
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printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n",
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symname, (long int) sym->st_value, ndx, *flags);
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if (strcmp (symname, "audit1_test") == 0
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|| strcmp (symname, "audit2_test") == 0)
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{
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if (regs->lr_eax != 1
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|| regs->lr_edx != 2
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|| regs->lr_ecx != 3)
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abort ();
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*framesizep = 200;
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}
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return sym->st_value;
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}
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unsigned int
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pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
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uintptr_t *defcook, const La_regs *inregs, La_retval *outregs,
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const char *symname)
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{
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printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n",
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symname, (long int) sym->st_value, ndx,
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(ptrdiff_t) outregs->int_retval);
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if (strcmp (symname, "audit1_test") == 0
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|| strcmp (symname, "audit2_test") == 0)
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{
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if (inregs->lr_eax != 1
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|| inregs->lr_edx != 2
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|| inregs->lr_ecx != 3)
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abort ();
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if (strcmp (symname, "audit1_test") == 0)
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{
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long long x = ((unsigned long long) outregs->lrv_eax
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| (unsigned long long) outregs->lrv_edx << 32);
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if (x != 30)
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abort ();
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}
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else if (strcmp (symname, "audit2_test") == 0)
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{
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if (outregs->lrv_st0 != 30)
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abort ();
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}
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}
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return 0;
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}
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