From d4358b51c26a634eb885955aea06cad26af6f696 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 20 Jul 2015 11:54:39 -0700 Subject: Add si_addr_bnd to _sigfault in x86 struct siginfo X86 struct siginfo in kernel 3.19 has been changed by commit ee1b58d36aa1b5a79eaba11f5c3633c88231da83 Author: Qiaowei Ren Date: Fri Nov 14 07:18:19 2014 -0800 mpx: Extend siginfo structure to include bound violation information This patch adds new fields about bound violation into siginfo structure. si_lower and si_upper are respectively lower bound and upper bound when bound violation is caused. This patch updates x86 struct siginfo to enable GDB with MPX support. [BZ #18696] * sysdeps/unix/sysv/linux/x86/bits/siginfo.h (_sigfault): Add si_addr_bnd. (si_lower): New. (si_upper): Likewise. --- sysdeps/unix/sysv/linux/x86/bits/siginfo.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'sysdeps/unix/sysv/linux/x86/bits/siginfo.h') diff --git a/sysdeps/unix/sysv/linux/x86/bits/siginfo.h b/sysdeps/unix/sysv/linux/x86/bits/siginfo.h index 9431869d07..3151bf3c5a 100644 --- a/sysdeps/unix/sysv/linux/x86/bits/siginfo.h +++ b/sysdeps/unix/sysv/linux/x86/bits/siginfo.h @@ -108,6 +108,11 @@ typedef struct { void *si_addr; /* Faulting insn/memory ref. */ short int si_addr_lsb; /* Valid LSB of the reported address. */ + struct + { + void *_lower; + void *_upper; + } si_addr_bnd; } _sigfault; /* SIGPOLL. */ @@ -141,6 +146,8 @@ typedef struct # define si_ptr _sifields._rt.si_sigval.sival_ptr # define si_addr _sifields._sigfault.si_addr # define si_addr_lsb _sifields._sigfault.si_addr_lsb +# define si_lower _sifields._sigfault.si_addr_bnd._lower +# define si_upper _sifields._sigfault.si_addr_bnd._upper # define si_band _sifields._sigpoll.si_band # define si_fd _sifields._sigpoll.si_fd # define si_call_addr _sifields._sigsys._call_addr -- cgit 1.4.1