From 866b6a89c6d1876fce25c152ef9f887b41ffcf7f Mon Sep 17 00:00:00 2001 From: Corey Minyard Date: Thu, 10 Aug 2017 13:27:39 -0500 Subject: MIPS: Add DWARF unwinding to assembly This will allow kdump dumps to work correclty with MIPS and future DWARF unwinding of the stack to give accurate tracebacks. Signed-off-by: Corey Minyard Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16990/ Signed-off-by: Ralf Baechle --- arch/mips/Makefile | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/mips/Makefile') diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 3db0df37d66a..a96d97a806c9 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -299,6 +299,10 @@ ifdef CONFIG_64BIT bootvars-y += ADDR_BITS=64 endif +# This is required to get dwarf unwinding tables into .debug_frame +# instead of .eh_frame so we don't discard them. +KBUILD_CFLAGS += -fno-asynchronous-unwind-tables + LDFLAGS += -m $(ld-emul) ifdef CONFIG_MIPS -- cgit