glibc/sysdeps/i386/htl/machine-sp.h

30 lines
1.1 KiB
C

/* Machine-specific function to return the stack pointer. i386 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("esp"); \
__sp__; \
})
#endif /* machine-sp.h */