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| author | dchagin <dchagin@FreeBSD.org> | 2016-01-09 17:22:51 +0000 |
|---|---|---|
| committer | dchagin <dchagin@FreeBSD.org> | 2016-01-09 17:22:51 +0000 |
| commit | 858c17f9b39e5e111f83a39fadf4c15c4d88f9fe (patch) | |
| tree | f2d3454bda4e30a54c1e1cac989a8a9ec4db70b7 /sys/amd64/linux/linux_machdep.c | |
| parent | bd5b80090e283fca902bf50d3b1e6f7981feb016 (diff) | |
| download | FreeBSD-src-858c17f9b39e5e111f83a39fadf4c15c4d88f9fe.zip FreeBSD-src-858c17f9b39e5e111f83a39fadf4c15c4d88f9fe.tar.gz | |
MFC r283471:
According to Linux man sigaltstack(3) shall return EINVAL if the ss
argument is not a null pointer, and the ss_flags member pointed to by ss
contains flags other than SS_DISABLE. However, in fact, Linux also
allows SS_ONSTACK flag which is simply ignored.
For buggy apps (at least mono) ignore other than SS_DISABLE
flags as a Linux do.
While here move MI part of sigaltstack code to the appropriate place.
Diffstat (limited to 'sys/amd64/linux/linux_machdep.c')
| -rw-r--r-- | sys/amd64/linux/linux_machdep.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/sys/amd64/linux/linux_machdep.c b/sys/amd64/linux/linux_machdep.c index d8704fd..8b0da51 100644 --- a/sys/amd64/linux/linux_machdep.c +++ b/sys/amd64/linux/linux_machdep.c @@ -87,29 +87,6 @@ __FBSDID("$FreeBSD$"); #include <compat/linux/linux_util.h> #include <compat/linux/linux_emul.h> -int -linux_to_bsd_sigaltstack(int lsa) -{ - int bsa = 0; - - if (lsa & LINUX_SS_DISABLE) - bsa |= SS_DISABLE; - if (lsa & LINUX_SS_ONSTACK) - bsa |= SS_ONSTACK; - return (bsa); -} - -int -bsd_to_linux_sigaltstack(int bsa) -{ - int lsa = 0; - - if (bsa & SS_DISABLE) - lsa |= LINUX_SS_DISABLE; - if (bsa & SS_ONSTACK) - lsa |= LINUX_SS_ONSTACK; - return (lsa); -} int linux_execve(struct thread *td, struct linux_execve_args *args) |
