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| author | peter <peter@FreeBSD.org> | 2005-04-14 00:02:37 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 2005-04-14 00:02:37 +0000 |
| commit | 3692814aa205daa2b88af6c8f8685de9694f0140 (patch) | |
| tree | fa5fdc944c961bccb59e0f9adb1cc4272c696c24 /lib/libc/i386 | |
| parent | d07b2f1b2c5c80162d2d8ccae1933f11c845031c (diff) | |
| download | FreeBSD-src-3692814aa205daa2b88af6c8f8685de9694f0140.zip FreeBSD-src-3692814aa205daa2b88af6c8f8685de9694f0140.tar.gz | |
Attempt i386_set_gsbase() before using the user_ldt code. Unimplemented
sysarch() calls return EINVAL, not SIGSYS.. so we can trivially adapt.
Diffstat (limited to 'lib/libc/i386')
| -rw-r--r-- | lib/libc/i386/gen/_set_tp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc/i386/gen/_set_tp.c b/lib/libc/i386/gen/_set_tp.c index 2380e99..287e0f2 100644 --- a/lib/libc/i386/gen/_set_tp.c +++ b/lib/libc/i386/gen/_set_tp.c @@ -36,8 +36,11 @@ _set_tp(void *tp) { #ifndef COMPAT_32BIT union descriptor ldt; - int sel; + int error, sel; + error = i386_set_gsbase(tp); + if (error == 0) + return; memset(&ldt, 0, sizeof(ldt)); ldt.sd.sd_lolimit = 0xffff; /* 4G limit */ ldt.sd.sd_lobase = ((uintptr_t)tp) & 0xffffff; |
