1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_DWARF2_H
3#define _ASM_X86_DWARF2_H
4
5#ifndef __ASSEMBLY__
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