On Thu, Jun 01, 2017 at 09:23:58AM -0500, Josh Poimboeuf wrote: > On Thu, Jun 01, 2017 at 07:03:18AM -0700, Andy Lutomirski wrote: > > On Wed, May 31, 2017 at 10:44 PM, Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote: > > Just to make sure I understand this, if we unwind from... > > > > > @@ -112,6 +114,7 @@ For 32-bit we have the following conventions - kernel is built with > > > movq %rdx, 12*8+\offset(%rsp) > > > movq %rsi, 13*8+\offset(%rsp) > > > > ...here..., will objtool think that rdx and rsi (etc) still live in > > their respective regs, or will it find them in the on-stack data given > > by CFI_REGS? If the former, how does undwarf deal with the > > corresponding pops? > > It will find them in their respective registers, which is fine because > they haven't been clobbered yet. Sorry, I hit send too soon. Which pops are you referring to? -- Josh -- To unsubscribe from this list: send the line "unsubscribe live-patching" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
