Re: PING^1 [PATCH] x86: Skip ENDBR when emitting direct call/jmp to local function

2022-06-27 Thread H.J. Lu via Gcc-patches
On Sun, Jun 26, 2022 at 10:50 PM Hongtao Liu wrote: > > On Tue, Jun 21, 2022 at 3:50 AM Uros Bizjak via Gcc-patches > wrote: > > > > On Mon, Jun 20, 2022 at 8:14 PM H.J. Lu wrote: > > > > > > On Tue, May 10, 2022 at 9:25 AM H.J. Lu wrote: > > > > > > > > Mark a function with SYMBOL_FLAG_FUNCTIO

Re: PING^1 [PATCH] x86: Skip ENDBR when emitting direct call/jmp to local function

2022-06-26 Thread Hongtao Liu via Gcc-patches
On Tue, Jun 21, 2022 at 3:50 AM Uros Bizjak via Gcc-patches wrote: > > On Mon, Jun 20, 2022 at 8:14 PM H.J. Lu wrote: > > > > On Tue, May 10, 2022 at 9:25 AM H.J. Lu wrote: > > > > > > Mark a function with SYMBOL_FLAG_FUNCTION_ENDBR when inserting ENDBR at > > > function entry. Skip the 4-byte

Re: PING^1 [PATCH] x86: Skip ENDBR when emitting direct call/jmp to local function

2022-06-20 Thread Uros Bizjak via Gcc-patches
On Mon, Jun 20, 2022 at 8:14 PM H.J. Lu wrote: > > On Tue, May 10, 2022 at 9:25 AM H.J. Lu wrote: > > > > Mark a function with SYMBOL_FLAG_FUNCTION_ENDBR when inserting ENDBR at > > function entry. Skip the 4-byte ENDBR when emitting a direct call/jmp > > to a local function with ENDBR at functi

PING^1 [PATCH] x86: Skip ENDBR when emitting direct call/jmp to local function

2022-06-20 Thread H.J. Lu via Gcc-patches
On Tue, May 10, 2022 at 9:25 AM H.J. Lu wrote: > > Mark a function with SYMBOL_FLAG_FUNCTION_ENDBR when inserting ENDBR at > function entry. Skip the 4-byte ENDBR when emitting a direct call/jmp > to a local function with ENDBR at function entry. > > This has been tested on Linux kernel. > > gcc/