lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

Add si_addr_bnd to _sigfault in x86 struct siginfo

Browse Source 
X86 struct siginfo in kernel 3.19 has been changed by

commit ee1b58d36aa1b5a79eaba11f5c3633c88231da83
Author: Qiaowei Ren <qiaowei.ren@intel.com>
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.
This commit is contained in:
H.J. Lu
2015-07-20 11:54:39 -07:00
parent d87630edc4
commit d4358b51c2
3 changed files with 16 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
sysdeps/unix/sysv/linux/x86/bits/siginfo.h
View File

@ -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