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Diffstat (limited to 'tools/objtool/include/objtool/cfi.h')
-rw-r--r--tools/objtool/include/objtool/cfi.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/tools/objtool/include/objtool/cfi.h b/tools/objtool/include/objtool/cfi.h
new file mode 100644
index 000000000000..fd5cb0bed9bf
--- /dev/null
+++ b/tools/objtool/include/objtool/cfi.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
+ */
+
+#ifndef _OBJTOOL_CFI_H
+#define _OBJTOOL_CFI_H
+
+#include <arch/cfi_regs.h>
+
+#define CFI_UNDEFINED -1
+#define CFI_CFA -2
+#define CFI_SP_INDIRECT -3
+#define CFI_BP_INDIRECT -4
+
+struct cfi_reg {
+ int base;
+ int offset;
+};
+
+struct cfi_init_state {
+ struct cfi_reg regs[CFI_NUM_REGS];
+ struct cfi_reg cfa;
+};
+
+struct cfi_state {
+ struct cfi_reg regs[CFI_NUM_REGS];
+ struct cfi_reg vals[CFI_NUM_REGS];
+ struct cfi_reg cfa;
+ int stack_size;
+ int drap_reg, drap_offset;
+ unsigned char type;
+ bool bp_scratch;
+ bool drap;
+ bool end;
+};
+
+#endif /* _OBJTOOL_CFI_H */