[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/elf/vismain.c b/ap/libc/glibc/glibc-2.22/elf/vismain.c
new file mode 100644
index 0000000..05b3748
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/elf/vismain.c
@@ -0,0 +1,261 @@
+/* Copyright (C) 2000-2015 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);
+
+#define TEST_FUNCTION do_test ()
+
+/* This defines the `main' function and some more. */
+#include <test-skeleton.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;
+}