summaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/dwarf.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/dwarf.h')
-rw-r--r--arch/s390/include/asm/dwarf.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/s390/include/asm/dwarf.h b/arch/s390/include/asm/dwarf.h
new file mode 100644
index 000000000..4f21ae561
--- /dev/null
+++ b/arch/s390/include/asm/dwarf.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_S390_DWARF_H
+#define _ASM_S390_DWARF_H
+
+#ifdef __ASSEMBLY__
+
+#define CFI_STARTPROC .cfi_startproc
+#define CFI_ENDPROC .cfi_endproc
+#define CFI_DEF_CFA_OFFSET .cfi_def_cfa_offset
+#define CFI_ADJUST_CFA_OFFSET .cfi_adjust_cfa_offset
+#define CFI_RESTORE .cfi_restore
+
+#ifdef CONFIG_AS_CFI_VAL_OFFSET
+#define CFI_VAL_OFFSET .cfi_val_offset
+#else
+#define CFI_VAL_OFFSET #
+#endif
+
+#ifndef BUILD_VDSO
+ /*
+ * Emit CFI data in .debug_frame sections and not in .eh_frame
+ * sections. The .eh_frame CFI is used for runtime unwind
+ * information that is not being used. Hence, vmlinux.lds.S
+ * can discard the .eh_frame sections.
+ */
+ .cfi_sections .debug_frame
+#else
+ /*
+ * For vDSO, emit CFI data in both, .eh_frame and .debug_frame
+ * sections.
+ */
+ .cfi_sections .eh_frame, .debug_frame
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_S390_DWARF_H */