1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * This file setups defines to compile arch specific binary from the
 4 * generic one.
 5 *
 6 * The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch
 7 * name and the definition of this function is included directly from
 8 * 'arch/x86/util/unwind-libunwind.c', to make sure that this function
 9 * is defined no matter what arch the host is.
10 *
11 * Finally, the arch specific unwind methods are exported which will
12 * be assigned to each x86 thread.
13 */
14
15#define REMOTE_UNWIND_LIBUNWIND
16
17/* Define arch specific functions & regs for libunwind, should be
18 * defined before including "unwind.h"
19 */
20#define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__x86_reg_id(regnum)
21
22#include "unwind.h"
23#include "libunwind-x86.h"
24#include <../../../../arch/x86/include/uapi/asm/perf_regs.h>
25
26/* HAVE_ARCH_X86_64_SUPPORT is used in'arch/x86/util/unwind-libunwind.c'
27 * for x86_32, we undef it to compile code for x86_32 only.
28 */
29#undef HAVE_ARCH_X86_64_SUPPORT
30#include "../../arch/x86/util/unwind-libunwind.c"
31
32/* Explicitly define NO_LIBUNWIND_DEBUG_FRAME, because non-ARM has no
33 * dwarf_find_debug_frame() function.
34 */
35#ifndef NO_LIBUNWIND_DEBUG_FRAME
36#define NO_LIBUNWIND_DEBUG_FRAME
37#endif
38#include "util/unwind-libunwind-local.c"
39
40struct unwind_libunwind_ops *
41x86_32_unwind_libunwind_ops = &_unwind_libunwind_ops;