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| author | Sergey Bugaev <bugaevc@gmail.com> | 2023-02-12 14:10:42 +0300 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-02-12 16:35:03 +0100 |
| commit | d08ae9c3fbf583508c300c7fa59ce6a05a8a47b6 (patch) | |
| tree | c4bb6fe97c3d80fb914bcc4a4b78a26e67f025e0 /sysdeps/x86_64 | |
| parent | 8420b3e832473503f11600fcccd374914d2c4b61 (diff) | |
| download | glibc-d08ae9c3fbf583508c300c7fa59ce6a05a8a47b6.tar.gz glibc-d08ae9c3fbf583508c300c7fa59ce6a05a8a47b6.tar.xz glibc-d08ae9c3fbf583508c300c7fa59ce6a05a8a47b6.zip | |
hurd, htl: Add some x86_64-specific code
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20230212111044.610942-12-bugaevc@gmail.com>
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/htl/machine-sp.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/x86_64/htl/machine-sp.h b/sysdeps/x86_64/htl/machine-sp.h new file mode 100644 index 0000000000..7ae1c94108 --- /dev/null +++ b/sysdeps/x86_64/htl/machine-sp.h @@ -0,0 +1,29 @@ +/* Machine-specific function to return the stack pointer. x86_64 version. + Copyright (C) 1994-2023 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#ifndef _MACHINE_SP_H +#define _MACHINE_SP_H + +/* Return the current stack pointer. */ + +#define __thread_stack_pointer() ({ \ + register uintptr_t __sp__ asm("rsp"); \ + __sp__; \ +}) + +#endif /* machine-sp.h */ |