xref: /linux/arch/x86/include/asm/dwarf2.h (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78)
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