glibc/sysdeps/arm/unwind-arch.h

40 lines
1.6 KiB
C

/* Dynamic loading of the libgcc unwinder. Arm customization.
Copyright (C) 2021-2024 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 _ARCH_UNWIND_LINK_H
#define _ARCH_UNWIND_LINK_H
/* On arm, _Unwind_GetIP is a macro. */
#define UNWIND_LINK_GETIP 0
#define UNWIND_LINK_FRAME_STATE_FOR 0
#define UNWIND_LINK_FRAME_ADJUSTMENT 0
#define UNWIND_LINK_EXTRA_FIELDS \
__typeof (_Unwind_VRS_Get) *ptr__Unwind_VRS_Get;
#define UNWIND_LINK_EXTRA_INIT \
local.ptr__Unwind_VRS_Get \
= __libc_dlsym (local_libgcc_handle, "_Unwind_VRS_Get"); \
assert (local.ptr__Unwind_VRS_Get != NULL); \
PTR_MANGLE (local.ptr__Unwind_VRS_Get);
/* This is used by the _Unwind_Resume assembler implementation to
obtain the address to jump to. */
void *__unwind_link_get_resume (void) attribute_hidden;
#endif /* _ARCH_UNWIND_LINK_H */