diff options
Diffstat (limited to 'elf/vismain.c')
-rw-r--r-- | elf/vismain.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/elf/vismain.c b/elf/vismain.c deleted file mode 100644 index 43f1d8f095..0000000000 --- a/elf/vismain.c +++ /dev/null @@ -1,260 +0,0 @@ -/* Copyright (C) 2000-2017 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/>. */ - -/* This file must be compiled as PIE to avoid copy relocation when - accessing protected symbols defined in shared libaries since copy - relocation doesn't work with protected symbols and linker in - binutils 2.26 enforces this rule. */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "vismod.h" - -/* Prototype for our test function. */ -extern int do_test (void); - - -/* This defines the `main' function and some more. */ -#include <support/test-driver.c> - - -/* Prototypes for local functions. */ -extern int protlocal (void); - -const char *protvarlocal = __FILE__; -extern const char *protvarinmod; -extern const char *protvaritcpt; - -int -do_test (void) -{ - int res = 0; - int val; - - /* First test: check whether .protected is handled correctly by the - assembler/linker. The uses of `protlocal' in the DSOs and in the - main program should all be resolved with the local definitions. */ - val = protlocal () + calllocal1 () + calllocal2 (); - if (val != 0x155) - { - puts ("\ -The handling of `.protected' seems to be implemented incorrectly: giving up"); - abort (); - } - puts ("`.protected' seems to be handled correctly, good!"); - - /* Function pointers: for functions which are marked local and for - which definitions are available all function pointers must be - distinct. */ - if (protlocal == getlocal1 ()) - { - puts ("`protlocal' in main and mod1 have same address"); - res = 1; - } - if (protlocal == getlocal2 ()) - { - puts ("`protlocal' in main and mod2 have same address"); - res = 1; - } - if (getlocal1 () == getlocal2 ()) - { - puts ("`protlocal' in mod1 and mod2 have same address"); - res = 1; - } - if (getlocal1 () () + getlocal2 () () != 0x44) - { - puts ("pointers to `protlocal' in mod1 or mod2 incorrect"); - res = 1; - } - - /* Next test. This is similar to the last one but the function we - are calling is not defined in the main object. This means that - the invocation in the main object uses the definition in the - first DSO. */ - if (protinmod != getinmod1 ()) - { - printf ("&protinmod in main (%p) != &protinmod in mod1 (%p)\n", - protinmod, getinmod1 ()); - res = 1; - } - if (protinmod == getinmod2 ()) - { - puts ("`protinmod' in main and mod2 have same address"); - res = 1; - } - if (getinmod1 () == getinmod2 ()) - { - puts ("`protinmod' in mod1 and mod2 have same address"); - res = 1; - } - if (protinmod () + getinmod1 () () + getinmod2 () () != 0x4800) - { - puts ("pointers to `protinmod' in mod1 or mod2 incorrect"); - res = 1; - } - val = protinmod () + callinmod1 () + callinmod2 (); - if (val != 0x15800) - { - printf ("calling of `protinmod' leads to wrong result (%#x)\n", val); - res = 1; - } - - /* A very similar text. Same setup for the main object and the modules - but this time we have another definition in a preloaded module. This - one intercepts the references from the main object. */ - if (protitcpt != getitcpt3 ()) - { - printf ("&protitcpt in main (%p) != &protitcpt in mod3 (%p)\n", - &protitcpt, getitcpt3 ()); - res = 1; - } - if (protitcpt == getitcpt1 ()) - { - puts ("`protitcpt' in main and mod1 have same address"); - res = 1; - } - if (protitcpt == getitcpt2 ()) - { - puts ("`protitcpt' in main and mod2 have same address"); - res = 1; - } - if (getitcpt1 () == getitcpt2 ()) - { - puts ("`protitcpt' in mod1 and mod2 have same address"); - res = 1; - } - val = protitcpt () + getitcpt1 () () + getitcpt2 () () + getitcpt3 () (); - if (val != 0x8440000) - { - printf ("\ -pointers to `protitcpt' in mod1 or mod2 or mod3 incorrect (%#x)\n", val); - res = 1; - } - val = protitcpt () + callitcpt1 () + callitcpt2 () + callitcpt3 (); - if (val != 0x19540000) - { - printf ("calling of `protitcpt' leads to wrong result (%#x)\n", val); - res = 1; - } - - /* Now look at variables. First a variable which is available - everywhere. We must have three different addresses. */ - if (&protvarlocal == getvarlocal1 ()) - { - puts ("`protvarlocal' in main and mod1 have same address"); - res = 1; - } - if (&protvarlocal == getvarlocal2 ()) - { - puts ("`protvarlocal' in main and mod2 have same address"); - res = 1; - } - if (getvarlocal1 () == getvarlocal2 ()) - { - puts ("`protvarlocal' in mod1 and mod2 have same address"); - res = 1; - } - if (strcmp (protvarlocal, __FILE__) != 0) - { - puts ("`protvarlocal in main has wrong value"); - res = 1; - } - if (strcmp (*getvarlocal1 (), "vismod1.c") != 0) - { - puts ("`getvarlocal1' returns wrong value"); - res = 1; - } - if (strcmp (*getvarlocal2 (), "vismod2.c") != 0) - { - puts ("`getvarlocal2' returns wrong value"); - res = 1; - } - - /* Now the case where there is no local definition. */ - if (&protvarinmod != getvarinmod1 ()) - { - printf ("&protvarinmod in main (%p) != &protitcpt in mod1 (%p)\n", - &protvarinmod, getvarinmod1 ()); - // XXX Possibly enable once fixed. - // res = 1; - } - if (&protvarinmod == getvarinmod2 ()) - { - puts ("`protvarinmod' in main and mod2 have same address"); - res = 1; - } - if (strcmp (*getvarinmod1 (), "vismod1.c") != 0) - { - puts ("`getvarinmod1' returns wrong value"); - res = 1; - } - if (strcmp (*getvarinmod2 (), "vismod2.c") != 0) - { - puts ("`getvarinmod2' returns wrong value"); - res = 1; - } - - /* And a test where a variable definition is intercepted. */ - if (&protvaritcpt == getvaritcpt1 ()) - { - puts ("`protvaritcpt' in main and mod1 have same address"); - res = 1; - } - if (&protvaritcpt == getvaritcpt2 ()) - { - puts ("`protvaritcpt' in main and mod2 have same address"); - res = 1; - } - if (&protvaritcpt != getvaritcpt3 ()) - { - printf ("&protvaritcpt in main (%p) != &protvaritcpt in mod3 (%p)\n", - &protvaritcpt, getvaritcpt3 ()); - // XXX Possibly enable once fixed. - // res = 1; - } - if (getvaritcpt1 () == getvaritcpt2 ()) - { - puts ("`protvaritcpt' in mod1 and mod2 have same address"); - res = 1; - } - if (strcmp (protvaritcpt, "vismod3.c") != 0) - { - puts ("`protvaritcpt in main has wrong value"); - res = 1; - } - if (strcmp (*getvaritcpt1 (), "vismod1.c") != 0) - { - puts ("`getvaritcpt1' returns wrong value"); - res = 1; - } - if (strcmp (*getvaritcpt2 (), "vismod2.c") != 0) - { - puts ("`getvaritcpt2' returns wrong value"); - res = 1; - } - - return res; -} - - -int -protlocal (void) -{ - return 0x1; -} |