1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _ASM_S390_DWARF_H 3*4882a593Smuzhiyun #define _ASM_S390_DWARF_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #ifdef __ASSEMBLY__ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define CFI_STARTPROC .cfi_startproc 8*4882a593Smuzhiyun #define CFI_ENDPROC .cfi_endproc 9*4882a593Smuzhiyun #define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset 10*4882a593Smuzhiyun #define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset 11*4882a593Smuzhiyun #define CFI_RESTORE .cfi_restore 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifdef CONFIG_AS_CFI_VAL_OFFSET 14*4882a593Smuzhiyun #define CFI_VAL_OFFSET .cfi_val_offset 15*4882a593Smuzhiyun #else 16*4882a593Smuzhiyun #define CFI_VAL_OFFSET # 17*4882a593Smuzhiyun #endif 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #ifndef BUILD_VDSO 20*4882a593Smuzhiyun /* 21*4882a593Smuzhiyun * Emit CFI data in .debug_frame sections and not in .eh_frame 22*4882a593Smuzhiyun * sections. The .eh_frame CFI is used for runtime unwind 23*4882a593Smuzhiyun * information that is not being used. Hence, vmlinux.lds.S 24*4882a593Smuzhiyun * can discard the .eh_frame sections. 25*4882a593Smuzhiyun */ 26*4882a593Smuzhiyun .cfi_sections .debug_frame 27*4882a593Smuzhiyun #else 28*4882a593Smuzhiyun /* 29*4882a593Smuzhiyun * For vDSO, emit CFI data in both, .eh_frame and .debug_frame 30*4882a593Smuzhiyun * sections. 31*4882a593Smuzhiyun */ 32*4882a593Smuzhiyun .cfi_sections .eh_frame, .debug_frame 33*4882a593Smuzhiyun #endif 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #endif /* __ASSEMBLY__ */ 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #endif /* _ASM_S390_DWARF_H */ 38