1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_DWARF2_H
3#define _ASM_X86_DWARF2_H
4
5#ifndef __ASSEMBLER__
6#warning "asm/dwarf2.h should be only included in pure assembly files"
7#endif
8
9#define CFI_STARTPROC .cfi_startproc
10#define CFI_ENDPROC .cfi_endproc
11#define CFI_DEF_CFA .cfi_def_cfa
12#define CFI_DEF_CFA_REGISTER .cfi_def_cfa_register
13#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
14#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
15#define CFI_OFFSET .cfi_offset
16#define CFI_REL_OFFSET .cfi_rel_offset
17#define CFI_REGISTER .cfi_register
18#define CFI_RESTORE .cfi_restore
19#define CFI_REMEMBER_STATE .cfi_remember_state
20#define CFI_RESTORE_STATE .cfi_restore_state
21#define CFI_UNDEFINED .cfi_undefined
22#define CFI_ESCAPE .cfi_escape
23
24#ifndef BUILD_VDSO
25 /*
26 * Emit CFI data in .debug_frame sections, not .eh_frame sections.
27 * The latter we currently just discard since we don't do DWARF
28 * unwinding at runtime. So only the offline DWARF information is
29 * useful to anyone. Note we should not use this directive if we
30 * ever decide to enable DWARF unwinding at runtime.
31 */
32 .cfi_sections .debug_frame
33#else
34 /*
35 * For the vDSO, emit both runtime unwind information and debug
36 * symbols for the .dbg file.
37 */
38 .cfi_sections .eh_frame, .debug_frame
39#endif
40
41#endif /* _ASM_X86_DWARF2_H */
42