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| author | Sergey Bugaev <bugaevc@gmail.com> | 2023-05-15 11:33:20 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-05-16 16:08:45 +0200 |
| commit | ff0f87632a74a369a2b992f4436ae406065a4012 (patch) | |
| tree | 36de7e8fd7b0c6df8e44d4b2bab186dba0e12fad | |
| parent | 40b68e8cc00ca40348bc084b651c0561d31feb46 (diff) | |
| download | glibc-ff0f87632a74a369a2b992f4436ae406065a4012.tar.gz | |
hurd: Fix aligning signal stack pointer
Fixes 60f9bf974694d50daf58d46347b06a5975ac5ddd
"hurd: Port trampoline.c to x86_64"
Checked on x86_64-gnu.
Reported-by: Bruno Haible <bruno@clisp.org>
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-Id: <20230515083323.1358039-2-bugaevc@gmail.com>
| -rw-r--r-- | sysdeps/mach/hurd/x86/trampoline.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/x86/trampoline.c b/sysdeps/mach/hurd/x86/trampoline.c index e13c5d85f5..19bddad8e1 100644 --- a/sysdeps/mach/hurd/x86/trampoline.c +++ b/sysdeps/mach/hurd/x86/trampoline.c @@ -200,7 +200,7 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, const struct sigaction *action /* Align SP at 16 bytes. Coupled with the fact that sigreturn_addr is 16-byte aligned within the stackframe struct, this ensures that it ends up on a 16-byte aligned address, as required by the ABI. */ - sigsp = (void *) ((uintptr_t) sigsp & 16UL); + sigsp = (void *) ((uintptr_t) sigsp & ~15UL); #endif /* Push the arguments to call `trampoline' on the stack. */ |