diff options
Diffstat (limited to 'sysdeps/i386/setjmp.S')
| -rw-r--r-- | sysdeps/i386/setjmp.S | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/sysdeps/i386/setjmp.S b/sysdeps/i386/setjmp.S index ab1a809..08a98f2 100644 --- a/sysdeps/i386/setjmp.S +++ b/sysdeps/i386/setjmp.S @@ -19,7 +19,6 @@ #include <sysdep.h> #include <pointer_guard.h> #include <jmpbuf-offsets.h> -#include <jmp_buf-ssp.h> #include <asm-syntax.h> #include <stap-probe.h> @@ -27,11 +26,6 @@ #define JMPBUF PARMS #define SIGMSK JMPBUF+4 -/* Don't save shadow stack register if shadow stack isn't enabled. */ -#if !SHSTK_ENABLED -# undef SHADOW_STACK_POINTER_OFFSET -#endif - ENTRY (__sigsetjmp) movl JMPBUF(%esp), %eax @@ -53,21 +47,6 @@ ENTRY (__sigsetjmp) movl %ecx, (JB_PC*4)(%eax) movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */ -#ifdef SHADOW_STACK_POINTER_OFFSET -# if IS_IN (libc) && defined SHARED && defined FEATURE_1_OFFSET - /* Check if Shadow Stack is enabled. */ - testl $X86_FEATURE_1_SHSTK, %gs:FEATURE_1_OFFSET - jz L(skip_ssp) -# else - xorl %ecx, %ecx -# endif - /* Get the current Shadow-Stack-Pointer and save it. */ - rdsspd %ecx - movl %ecx, SHADOW_STACK_POINTER_OFFSET(%eax) -# if IS_IN (libc) && defined SHARED && defined FEATURE_1_OFFSET -L(skip_ssp): -# endif -#endif #if IS_IN (rtld) /* In ld.so we never save the signal mask. */ xorl %eax, %eax |