diff options
Diffstat (limited to 'sysdeps/i386')
-rw-r--r-- | sysdeps/i386/unwind-arch.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/i386/unwind-arch.h b/sysdeps/i386/unwind-arch.h new file mode 100644 index 0000000000..01c74fe814 --- /dev/null +++ b/sysdeps/i386/unwind-arch.h @@ -0,0 +1,39 @@ +/* Dynamic loading of the libgcc unwinder. i386 customization. + Copyright (C) 2021 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 + +#define UNWIND_LINK_GETIP 1 +#define UNWIND_LINK_FRAME_STATE_FOR 1 +#define UNWIND_LINK_FRAME_ADJUSTMENT 0 +#define UNWIND_LINK_EXTRA_FIELDS \ + __typeof (_Unwind_GetGR) *ptr__Unwind_GetGR; +#define UNWIND_LINK_EXTRA_INIT_SHARED \ + local.ptr__Unwind_GetGR \ + = __libc_dlsym (local_libgcc_handle, "_Unwind_GetGR"); \ + assert (local.ptr__Unwind_GetGR != NULL); +#ifdef PTR_MANGLE +# define UNWIND_LINK_EXTRA_INIT \ + UNWIND_LINK_EXTRA_INIT_SHARED \ + PTR_MANGLE (local.ptr__Unwind_GetGR); +#else +# define UNWIND_LINK_EXTRA_INIT UNWIND_LINK_EXTRA_INIT_SHARED +#endif + +#endif /* _ARCH_UNWIND_LINK_H */ |