[glibc] Add PTRACE_SYSEMU and PT_SYSEMU_SINGLESTEP from Linux 5.12 for s390

[glibc] Add PTRACE_SYSEMU and PT_SYSEMU_SINGLESTEP from Linux 5.12 for s390

[Joseph Myers]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3c38f694622cfccd2e922e6e10b5c124c34c1ed0

commit 3c38f694622cfccd2e922e6e10b5c124c34c1ed0
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Mon May 10 20:12:41 2021 +0000

    Add PTRACE_SYSEMU and PT_SYSEMU_SINGLESTEP from Linux 5.12 for s390
    
    Linux 5.12 adds the constants PTRACE_SYSEMU and
    PTRACE_SYSEMU_SINGLESTEP for s390.  Add these to glibc.
    
    Tested with build-many-glibcs.py for s390-linux-gnu and
    s390x-linux-gnu.

Diff:
---
 sysdeps/unix/sysv/linux/s390/sys/ptrace.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
index 85efbae842..4f3c65726f 100644
--- a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
+++ b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h
@@ -39,6 +39,8 @@ __BEGIN_DECLS
 # undef PTRACE_ATTACH
 # undef PTRACE_DETACH
 # undef PTRACE_SYSCALL
+# undef PTRACE_SYSEMU
+# undef PTRACE_SYSEMU_SINGLESTEP
 # undef PTRACE_SETOPTIONS
 # undef PTRACE_GETEVENTMSG
 # undef PTRACE_GETSIGINFO
@@ -146,6 +148,14 @@ enum __ptrace_request
   PTRACE_SYSCALL = 24,
 #define PT_SYSCALL PTRACE_SYSCALL
 
+  /* Continue and stop at the next syscall, it will not be executed.  */
+  PTRACE_SYSEMU = 31,
+#define PT_SYSEMU PTRACE_SYSEMU
+
+  /* Single step the process, the next syscall will not be executed.  */
+  PTRACE_SYSEMU_SINGLESTEP = 32,
+#define PT_SYSEMU_SINGLESTEP PTRACE_SYSEMU_SINGLESTEP
+
   /* Set ptrace filter options.  */
   PTRACE_SETOPTIONS = 0x4200,
 #define PT_SETOPTIONS PTRACE_SETOPTIONS