| /* Test case for i386 preserved registers in dynamic linker. |
| Copyright (C) 2015-2018 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <dlfcn.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stddef.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <link.h> |
| #include <bits/wordsize.h> |
| #include <gnu/lib-names.h> |
| |
| unsigned int |
| la_version (unsigned int v) |
| { |
| setlinebuf (stdout); |
| |
| printf ("version: %u\n", v); |
| |
| char buf[20]; |
| sprintf (buf, "%u", v); |
| |
| return v; |
| } |
| |
| void |
| la_activity (uintptr_t *cookie, unsigned int flag) |
| { |
| const char *flagstr; |
| switch (flag) |
| { |
| case LA_ACT_CONSISTENT: |
| flagstr = "consistent"; |
| break; |
| case LA_ACT_ADD: |
| flagstr = "add"; |
| break; |
| case LA_ACT_DELETE: |
| flagstr = "delete"; |
| break; |
| default: |
| printf ("activity: unknown activity %u\n", flag); |
| return; |
| } |
| printf ("activity: %s\n", flagstr); |
| } |
| |
| char * |
| la_objsearch (const char *name, uintptr_t *cookie, unsigned int flag) |
| { |
| const char *flagstr; |
| switch (flag) |
| { |
| case LA_SER_ORIG: |
| flagstr = "LA_SET_ORIG"; |
| break; |
| case LA_SER_LIBPATH: |
| flagstr = "LA_SER_LIBPATH"; |
| break; |
| case LA_SER_RUNPATH: |
| flagstr = "LA_SER_RUNPATH"; |
| break; |
| case LA_SER_CONFIG: |
| flagstr = "LA_SER_CONFIG"; |
| break; |
| case LA_SER_DEFAULT: |
| flagstr = "LA_SER_DEFAULT"; |
| break; |
| case LA_SER_SECURE: |
| flagstr = "LA_SER_SECURE"; |
| break; |
| default: |
| printf ("objsearch: %s, unknown flag %d\n", name, flag); |
| return (char *) name; |
| } |
| |
| printf ("objsearch: %s, %s\n", name, flagstr); |
| return (char *) name; |
| } |
| |
| unsigned int |
| la_objopen (struct link_map *l, Lmid_t lmid, uintptr_t *cookie) |
| { |
| printf ("objopen: %ld, %s\n", lmid, l->l_name); |
| |
| return 3; |
| } |
| |
| void |
| la_preinit (uintptr_t *cookie) |
| { |
| printf ("preinit\n"); |
| } |
| |
| unsigned int |
| la_objclose (uintptr_t *cookie) |
| { |
| printf ("objclose\n"); |
| return 0; |
| } |
| |
| uintptr_t |
| la_symbind32 (Elf32_Sym *sym, unsigned int ndx, uintptr_t *refcook, |
| uintptr_t *defcook, unsigned int *flags, const char *symname) |
| { |
| printf ("symbind32: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", |
| symname, (long int) sym->st_value, ndx, *flags); |
| |
| return sym->st_value; |
| } |
| |
| #include "tst-audit.h" |
| |
| ElfW(Addr) |
| pltenter (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, |
| uintptr_t *defcook, La_regs *regs, unsigned int *flags, |
| const char *symname, long int *framesizep) |
| { |
| printf ("pltenter: symname=%s, st_value=%#lx, ndx=%u, flags=%u\n", |
| symname, (long int) sym->st_value, ndx, *flags); |
| |
| if (strcmp (symname, "audit1_test") == 0 |
| || strcmp (symname, "audit2_test") == 0) |
| { |
| if (regs->lr_eax != 1 |
| || regs->lr_edx != 2 |
| || regs->lr_ecx != 3) |
| abort (); |
| |
| *framesizep = 200; |
| } |
| |
| return sym->st_value; |
| } |
| |
| unsigned int |
| pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook, |
| uintptr_t *defcook, const La_regs *inregs, La_retval *outregs, |
| const char *symname) |
| { |
| printf ("pltexit: symname=%s, st_value=%#lx, ndx=%u, retval=%tu\n", |
| symname, (long int) sym->st_value, ndx, |
| (ptrdiff_t) outregs->int_retval); |
| |
| if (strcmp (symname, "audit1_test") == 0 |
| || strcmp (symname, "audit2_test") == 0) |
| { |
| if (inregs->lr_eax != 1 |
| || inregs->lr_edx != 2 |
| || inregs->lr_ecx != 3) |
| abort (); |
| |
| if (strcmp (symname, "audit1_test") == 0) |
| { |
| long long x = ((unsigned long long) outregs->lrv_eax |
| | (unsigned long long) outregs->lrv_edx << 32); |
| |
| if (x != 30) |
| abort (); |
| } |
| else if (strcmp (symname, "audit2_test") == 0) |
| { |
| if (outregs->lrv_st0 != 30) |
| abort (); |
| } |
| } |
| |
| return 0; |
| } |