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x86: Enable Intel CET 

When Intel CET is enabled, we need to include <cet.h> in assembly codes
to mark Intel CET support and place _CET_ENDBR at the function entry.
This commit is contained in:
H.J. Lu 2021-04-30 18:01:14 -07:00
parent dc6b04c375
commit 53ee0b76bb
3 changed files with 13 additions and 2 deletions
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9
common.h
View File

@ -416,6 +416,15 @@ please https://github.com/xianyi/OpenBLAS/issues/246
#include "common_alpha.h" #include "common_alpha.h"
#endif #endif
#if (defined(ARCH_X86) || defined(ARCH_X86_64)) && defined(__CET__) && defined(__has_include)
#if __has_include(<cet.h>)
#include <cet.h>
#endif
#endif
#ifndef _CET_ENDBR
#define _CET_ENDBR
#endif
#ifdef ARCH_X86 #ifdef ARCH_X86
#include "common_x86.h" #include "common_x86.h"
#endif #endif

3
common_x86.h
View File

@ -340,7 +340,8 @@ REALNAME:
.align 16; \ .align 16; \
.globl REALNAME ;\ .globl REALNAME ;\
.type REALNAME, @function; \ .type REALNAME, @function; \
REALNAME: REALNAME: \
_CET_ENDBR
#ifdef PROFILE #ifdef PROFILE
#define PROFCODE call mcount #define PROFCODE call mcount

3
common_x86_64.h
View File

@ -451,7 +451,8 @@ REALNAME:
.align 512; \ .align 512; \
.globl REALNAME ;\ .globl REALNAME ;\
.type REALNAME, @function; \ .type REALNAME, @function; \
REALNAME: REALNAME: \
_CET_ENDBR
#ifdef PROFILE #ifdef PROFILE
#define PROFCODE call *mcount@GOTPCREL(%rip) #define PROFCODE call *mcount@GOTPCREL(%rip)