diff options
Diffstat (limited to 'elf/ldconfig.c')
| -rw-r--r-- | elf/ldconfig.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/elf/ldconfig.c b/elf/ldconfig.c index 13f262d..c7b9eb9 100644 --- a/elf/ldconfig.c +++ b/elf/ldconfig.c @@ -174,17 +174,17 @@ is_hwcap_platform (const char *name) { int hwcap_idx = _dl_string_hwcap (name); - /* Is this a normal hwcap for the machine e.g. fpu? */ + /* Is this a normal hwcap for the machine like "fpu?" */ if (hwcap_idx != -1 && ((1 << hwcap_idx) & hwcap_mask)) return 1; - /* ... Or is it a platform pseudo-hwcap e.g. i686? */ + /* Is this a platform pseudo-hwcap like "i686?" */ hwcap_idx = _dl_string_platform (name); if (hwcap_idx != -1) return 1; - /* ... Or is this one of the extra pseudo-hwcaps that we map beyond - _DL_FIRST_EXTRA e.g. tls, or nosegneg? */ + /* Is this one of the extra pseudo-hwcaps that we map beyond + _DL_FIRST_EXTRA like "tls", or "nosegneg?" */ for (hwcap_idx = _DL_FIRST_EXTRA; hwcap_idx < 64; ++hwcap_idx) if (hwcap_extra[hwcap_idx - _DL_FIRST_EXTRA] != NULL && !strcmp (name, hwcap_extra[hwcap_idx - _DL_FIRST_EXTRA])) @@ -1270,8 +1270,10 @@ main (int argc, char **argv) add_dir (argv[i]); } - /* The last entry in hwcap_extra is reserved for the "tls" - pseudo-hwcap which indicates support for TLS. */ + /* The last entry in hwcap_extra is reserved for the "tls" pseudo-hwcap which + indicates support for TLS. This pseudo-hwcap is only used by old versions + under which TLS support was optional. The entry is no longer needed, but + must remain for compatibility. */ hwcap_extra[63 - _DL_FIRST_EXTRA] = "tls"; set_hwcap (); |