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 #define CFI_SIGNAL_FRAME .cfi_signal_frame 24 25 #ifndef BUILD_VDSO 26 /* 27 * Emit CFI data in .debug_frame sections, not .eh_frame sections. 28 * The latter we currently just discard since we don't do DWARF 29 * unwinding at runtime. So only the offline DWARF information is 30 * useful to anyone. Note we should not use this directive if we 31 * ever decide to enable DWARF unwinding at runtime. 32 */ 33 .cfi_sections .debug_frame 34 #else 35 /* 36 * For the vDSO, emit both runtime unwind information and debug 37 * symbols for the .dbg file. 38 */ 39 .cfi_sections .eh_frame, .debug_frame 40 #endif 41 42 #endif /* _ASM_X86_DWARF2_H */ 43