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objtool: Use arch specific values in restore_reg()

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The initial register state is set up by arch specific code. Use the
value the arch code has set when restoring registers from the stack.

Suggested-by: Raphael Gault <raphael.gault@arm.com>
Signed-off-by: Julien Thierry <jthierry@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Julien Thierry 2020-03-27 15:28:43 +00:00 committed by Ingo Molnar
parent 7170cf47d1
commit aff5e16918
1 changed files with 2 additions and 2 deletions
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4
tools/objtool/check.c
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@ -1486,8 +1486,8 @@ static void save_reg(struct insn_state *state, unsigned char reg, int base,
static void restore_reg(struct insn_state *state, unsigned char reg)
{
state->regs[reg].base = CFI_UNDEFINED;
state->regs[reg].offset = 0;
state->regs[reg].base = initial_func_cfi.regs[reg].base;
state->regs[reg].offset = initial_func_cfi.regs[reg].offset;
}
/*