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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

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This commit is contained in:
Ulrich Drepper
2004-12-22 20:10:10 +00:00
parent 0ecb606cb6
commit a334319f65
6215 changed files with 304673 additions and 494300 deletions
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26
elf/check-textrel.c
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@@ -1,5 +1,5 @@
/* Check for text relocations in DSOs.
Copyright (C) 2002, 2003, 2006 Free Software Foundation, Inc.
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contribute by Ulrich Drepper <drepper@redhat.com>. 2002.
@@ -79,36 +79,20 @@ AB(handle_file) (const char *fname, int fd)
/* Search for the PT_DYNAMIC entry. */
size_t cnt;
E(Phdr) *dynphdr = NULL;
for (cnt = 0; cnt < phnum; ++cnt)
if (SWAP (phdr[cnt].p_type) == PT_DYNAMIC)
dynphdr = &phdr[cnt];
else if (SWAP (phdr[cnt].p_type) == PT_LOAD
&& (SWAP (phdr[cnt].p_flags) & (PF_X | PF_W)) == (PF_X | PF_W))
{
printf ("%s: segment %zu is executable and writable\n",
fname, cnt);
#if !defined __sparc__ \
&& !defined __alpha__ \
&& (!defined __powerpc__ || defined __powerpc64__ || defined HAVE_PPC_SECURE_PLT)
/* sparc, sparc64, alpha and powerpc32 (the last one only when using
-mbss-plt) are expected to have PF_X | PF_W segment containing .plt
section, it is part of their ABI. It is bad security wise, nevertheless
this test shouldn't fail because of this. */
return 1;
#endif
}
break;
if (dynphdr == NULL)
if (cnt == phnum)
{
printf ("%s: no DYNAMIC segment found\n", fname);
return 1;
}
/* Read the dynamic segment. */
size_t pmemsz = SWAP(dynphdr->p_memsz);
size_t pmemsz = SWAP(phdr[cnt].p_memsz);
E(Dyn) *dyn = alloca (pmemsz);
if (pread (fd, dyn, pmemsz, SWAP(dynphdr->p_offset)) != pmemsz)
if (pread (fd, dyn, pmemsz, SWAP(phdr[cnt].p_offset)) != pmemsz)
goto read_error;
/* Search for an DT_TEXTREL entry of DT_FLAGS with the DF_TEXTREL