diff options
Diffstat (limited to 'sysdeps/generic/dl-sysdep.c')
| -rw-r--r-- | sysdeps/generic/dl-sysdep.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/sysdeps/generic/dl-sysdep.c b/sysdeps/generic/dl-sysdep.c index 58c093e268..90beb8f269 100644 --- a/sysdeps/generic/dl-sysdep.c +++ b/sysdeps/generic/dl-sysdep.c @@ -38,7 +38,7 @@ extern char **_dl_argv; extern char **_environ; extern size_t _dl_pagesize; extern const char *_dl_platform; -extern unsigned long _dl_hwcap; +extern unsigned long int _dl_hwcap; extern size_t _dl_platformlen; extern void _end; extern void ENTRY_POINT (void); @@ -48,7 +48,6 @@ int __libc_enable_secure; int __libc_multiple_libcs; /* Defining this here avoids the inclusion of init-first. */ static ElfW(auxv_t) *_dl_auxv; -static unsigned long int hwcap; unsigned long int _dl_hwcap_mask = HWCAP_IMPORTANT; @@ -241,10 +240,11 @@ _dl_show_auxv (void) _dl_sysdep_message ("AT_PLATFORM: ", av->a_un.a_ptr, "\n", NULL); break; case AT_HWCAP: - hwcap = av->a_un.a_val; - if (_dl_procinfo (hwcap) < 0) + _dl_hwcap = av->a_un.a_val; + if (_dl_procinfo (_dl_hwcap) < 0) _dl_sysdep_message ("AT_HWCAP: ", - _itoa_word (hwcap, buf + sizeof buf - 1, 16, 0), + _itoa_word (_dl_hwcap, buf + sizeof buf - 1, + 16, 0), "\n", NULL); break; } @@ -284,7 +284,7 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz, size_t *max_capstrlen) { /* Determine how many important bits are set. */ - unsigned long int mask = _dl_hwcap_mask; + unsigned long int masked = _dl_hwcap & _dl_hwcap_mask; size_t cnt = platform != NULL; size_t n, m; size_t total; @@ -293,8 +293,9 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz, struct r_strlenpair *rp; char *cp; - for (n = 0; (~((1UL << n) - 1) & mask) != 0; ++n) - if ((mask & (1UL << n)) != 0) + /* Count the number of bits set in the masked value. */ + for (n = 0; (~((1UL << n) - 1) & masked) != 0; ++n) + if ((masked & (1UL << n)) != 0) ++cnt; if (cnt == 0) @@ -318,12 +319,12 @@ _dl_important_hwcaps (const char *platform, size_t platform_len, size_t *sz, /* Create temporary data structure to generate result table. */ temp = (struct r_strlenpair *) alloca (cnt * sizeof (*temp)); m = 0; - for (n = 0; mask != 0; ++n) - if ((mask & (1UL << n)) != 0) + for (n = 0; masked != 0; ++n) + if ((masked & (1UL << n)) != 0) { temp[m].str = _dl_hwcap_string (n); temp[m].len = strlen (temp[m].str); - mask ^= 1UL << n; + masked ^= 1UL << n; ++m; } if (platform != NULL) |