On 2/8/23 20:24, Deepak Gupta wrote:
+if (cpu->cfg.ext_cfi) {
+/*
+ * For Forward CFI, only the expectation of a lpcll at
+ * the start of the block is tracked (which can only happen
+ * when FCFI is enabled for the current processor mode). A jump
+ * o
On Wed, Feb 15, 2023 at 6:44 PM LIU Zhiwei wrote:
>
>
> On 2023/2/16 8:02, Deepak Gupta wrote:
> > On Wed, Feb 15, 2023 at 12:55 AM LIU Zhiwei
> > wrote:
> >>
> >> On 2023/2/9 14:24, Deepak Gupta wrote:
> >>> zisslpcfi protects forward control flow (if enabled) by enforcing all
> >>> indirect cal
On 2023/2/16 8:02, Deepak Gupta wrote:
On Wed, Feb 15, 2023 at 12:55 AM LIU Zhiwei
wrote:
On 2023/2/9 14:24, Deepak Gupta wrote:
zisslpcfi protects forward control flow (if enabled) by enforcing all
indirect call and jmp must land on a landing pad instruction `lpcll`
short for landing pad a
On Wed, Feb 15, 2023 at 12:55 AM LIU Zhiwei
wrote:
>
>
> On 2023/2/9 14:24, Deepak Gupta wrote:
> > zisslpcfi protects forward control flow (if enabled) by enforcing all
> > indirect call and jmp must land on a landing pad instruction `lpcll`
> > short for landing pad and check lower label value.
On 2023/2/9 14:24, Deepak Gupta wrote:
zisslpcfi protects forward control flow (if enabled) by enforcing all
indirect call and jmp must land on a landing pad instruction `lpcll`
short for landing pad and check lower label value. If target of an
indirect call or jmp is not `lpcll` then cpu/hart
zisslpcfi protects forward control flow (if enabled) by enforcing all
indirect call and jmp must land on a landing pad instruction `lpcll`
short for landing pad and check lower label value. If target of an
indirect call or jmp is not `lpcll` then cpu/hart must raise an illegal
instruction exception
zisslpcfi protects forward control flow (if enabled) by enforcing all
indirect call and jmp must land on a landing pad instruction `lpcll`
short for landing pad and check lower label value. If target of an
indirect call or jmp is not `lpcll` then cpu/hart must raise an illegal
instruction exception