1e4b619185
If the code specified UNWIND_HINT_UNDEFINED, skip the "undefined stack state" warning due to a stack operation. Just ignore the stack op and continue to propagate the undefined state. Link: https://lore.kernel.org/r/820c5b433f17c84e8761fb7465a8d319d706b1cf.1685981486.git.jpoimboe@kernel.org Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
42 lines
796 B
C
42 lines
796 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2015-2017 Josh Poimboeuf <jpoimboe@redhat.com>
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*/
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#ifndef _OBJTOOL_CFI_H
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#define _OBJTOOL_CFI_H
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#include <arch/cfi_regs.h>
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#include <linux/list.h>
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#define CFI_UNDEFINED -1
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#define CFI_CFA -2
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#define CFI_SP_INDIRECT -3
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#define CFI_BP_INDIRECT -4
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struct cfi_reg {
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int base;
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int offset;
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};
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struct cfi_init_state {
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struct cfi_reg regs[CFI_NUM_REGS];
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struct cfi_reg cfa;
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};
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struct cfi_state {
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struct hlist_node hash; /* must be first, cficmp() */
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struct cfi_reg regs[CFI_NUM_REGS];
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struct cfi_reg vals[CFI_NUM_REGS];
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struct cfi_reg cfa;
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int stack_size;
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int drap_reg, drap_offset;
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unsigned char type;
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bool bp_scratch;
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bool drap;
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bool signal;
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bool end;
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bool force_undefined;
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};
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#endif /* _OBJTOOL_CFI_H */
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