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Commit 180aa6e6 authored by Matt Fleming's avatar Matt Fleming Committed by Paul Mundt
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sh: Set the cfa_offset to 0 if we see a DW_CFA_def_cfa_register op 



The way that the CFA is calculated can change as we progress through a
function. If we see a DW_CFA_def_cfa_register op we need to reset the
frame's cfa_offset value which may have been previously setup.

Signed-off-by: default avatarMatt Fleming <matt@console-pimps.org>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 7dd6662a

arch/sh/kernel/dwarf.c

+1 −0
Original line number Diff line number Diff line
@@ -449,6 +449,7 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start, 
			count = dwarf_read_uleb128(current_insn,

						   &frame->cfa_register);

			current_insn += count;

			frame->cfa_offset = 0;

			frame->flags |= DWARF_FRAME_CFA_REG_OFFSET;

			break;

		case DW_CFA_def_cfa_offset: