diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | NEWS | 1 | ||||
| -rw-r--r-- | sysdeps/i386/start.S | 10 |
3 files changed, 15 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog index a111f0131b..84503e3a0c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2018-09-21 H.J. Lu <hongjiu.lu@intel.com> + Xuepeng Guo <xuepeng.guo@intel.com> + + [BZ #23606] + * sysdeps/i386/start.S: Include <sysdep.h> + (_start): Use ENTRY/END to insert ENDBR32 at entry when CET is + enabled. Add cfi_undefined (eip). + 2018-09-19 Wilco Dijkstra <wdijkstr@arm.com> [BZ #23637] diff --git a/NEWS b/NEWS index 502e0c19f5..d1f1dd4b22 100644 --- a/NEWS +++ b/NEWS @@ -13,6 +13,7 @@ The following bugs are resolved with this release: [23521] nss_files aliases database file stream leak [23538] pthread_cond_broadcast: Fix waiters-after-spinning case [23578] regex: Fix memory overread in re_compile_pattern + [23606] Missing ENDBR32 in sysdeps/i386/start.S [23679] gethostid: Missing NULL check for gethostbyname_r result diff --git a/sysdeps/i386/start.S b/sysdeps/i386/start.S index 91035fa83f..e35e9bd31b 100644 --- a/sysdeps/i386/start.S +++ b/sysdeps/i386/start.S @@ -52,10 +52,11 @@ NULL */ - .text - .globl _start - .type _start,@function -_start: +#include <sysdep.h> + +ENTRY (_start) + /* Clearing frame pointer is insufficient, use CFI. */ + cfi_undefined (eip) /* Clear the frame pointer. The ABI suggests this be done, to mark the outermost frame obviously. */ xorl %ebp, %ebp @@ -131,6 +132,7 @@ _start: 1: movl (%esp), %ebx ret #endif +END (_start) /* To fulfill the System V/i386 ABI we need this symbol. Yuck, it's so meaningless since we don't support machines < 80386. */ |