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This commit is contained in:
Jakub Jelinek
2007-07-31 13:33:18 +00:00
parent d6220e9ee3
commit 32c075e1f0
448 changed files with 13841 additions and 10982 deletions
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50
elf/dl-sysdep.c
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@ -1,5 +1,5 @@
/* Operating system support for run-time dynamic linker. Generic Unix version.
Copyright (C) 1995-1998, 2000-2005, 2006 Free Software Foundation, Inc.
Copyright (C) 1995-1998, 2000-2005, 2007 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
@ -405,8 +405,25 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
}
#endif
#ifdef USE_TLS
/* For TLS enabled builds always add 'tls'. */
++cnt;
#else
if (cnt == 0)
{
/* If we no have platform name and no important capability we only
have the base directory to search. */
result = (struct r_strlenpair *) malloc (sizeof (*result));
if (result == NULL)
goto no_memory;
result[0].str = (char *) result; /* Does not really matter. */
result[0].len = 0;
*sz = 1;
return result;
}
#endif
/* Create temporary data structure to generate result table. */
temp = (struct r_strlenpair *) alloca (cnt * sizeof (*temp));
@ -448,11 +465,11 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
temp[m].len = platform_len;
++m;
}
#ifdef USE_TLS
temp[m].str = "tls";
temp[m].len = 3;
++m;
#endif
assert (m == cnt);
/* Determine the total size of all strings together. */
@ -460,9 +477,21 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
total = temp[0].len + 1;
else
{
total = (1UL << (cnt - 2)) * (temp[0].len + temp[cnt - 1].len + 2);
for (n = 1; n + 1 < cnt; ++n)
total += (1UL << (cnt - 3)) * (temp[n].len + 1);
total = temp[0].len + temp[cnt - 1].len + 2;
if (cnt > 2)
{
total <<= 1;
for (n = 1; n + 1 < cnt; ++n)
total += temp[n].len + 1;
if (cnt > 3
&& (cnt >= sizeof (size_t) * 8
|| total + (sizeof (*result) << 3)
>= (1UL << (sizeof (size_t) * 8 - cnt + 3))))
_dl_signal_error (ENOMEM, NULL, NULL,
N_("cannot create capability list"));
total <<= cnt - 3;
}
}
/* The result structure: we use a very compressed way to store the
@ -470,8 +499,13 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz,
*sz = 1 << cnt;
result = (struct r_strlenpair *) malloc (*sz * sizeof (*result) + total);
if (result == NULL)
_dl_signal_error (ENOMEM, NULL, NULL,
N_("cannot create capability list"));
{
#ifndef USE_TLS
no_memory:
#endif
_dl_signal_error (ENOMEM, NULL, NULL,
N_("cannot create capability list"));
}
if (cnt == 1)
{