[glibc/google/grte/v5-2.27/master] linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]

[Fangrui Song <maskray@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=fbac9a26b2037ba9ec1f364719355ec19570c856

commit fbac9a26b2037ba9ec1f364719355ec19570c856
Author: Dmitry V. Levin <ldv@altlinux.org>
Date:   Sat Feb 10 23:19:32 2018 +0000

    linux/powerpc: sync sys/ptrace.h with Linux 4.15 [BZ #22433, #22807]
    
    Tested with strace.
    
    * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
    PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
    PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
    PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
    PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
    PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
    
    (cherry picked from commit f5f473a9d0e8fdbede858fa1ef0d01d12142367b)

Diff:
---
 ChangeLog                                    | 11 +++++
 NEWS                                         |  1 +
 sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h | 62 ++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 6ae33c2dbf..e7f672a8e2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2018-02-26  Dmitry V. Levin  <ldv@altlinux.org>
+
+	[BZ #22433]
+	[BZ #22807]
+	* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (__ptrace_request): Add
+	PTRACE_GETREGS, PTRACE_SETREGS, PTRACE_GETFPREGS, PTRACE_SETFPREGS,
+	PTRACE_GETVRREGS, PTRACE_SETVRREGS, PTRACE_GETEVRREGS,
+	PTRACE_SETEVRREGS, PTRACE_GETREGS64, PTRACE_SETREGS64,
+	PTRACE_GET_DEBUGREG, PTRACE_SET_DEBUGREG, PTRACE_GETVSRREGS,
+	PTRACE_SETVSRREGS, and PTRACE_SINGLEBLOCK.
+
 2018-02-26  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 
 	* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Undefine Linux
diff --git a/NEWS b/NEWS
index d3ca5289b0..d6da060f8b 100644
--- a/NEWS
+++ b/NEWS
@@ -15,6 +15,7 @@ The following bugs are resolved with this release:
     configured with --enable-default-pie
   [22735] Misleading typo in time.h source comment regarding CLOCKS_PER_SECOND
   [22797] Linux: use reserved name __key in pkey_get
+  [22807] PTRACE_* constants missing for powerpc
   [22818] posix/tst-glob_lstat_compat failure on alpha
   [22827] RISC-V ELF64 parser mis-reads flag in ldconfig
   [22919] sparc32: backtrace yields infinite backtrace with makecontext
diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h b/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
index 1c68895159..8317821ab5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
+++ b/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h
@@ -112,6 +112,22 @@ enum __ptrace_request
   PTRACE_SINGLESTEP = 9,
 #define PT_STEP PTRACE_SINGLESTEP
 
+  /* Get all general purpose registers used by a process.  */
+  PTRACE_GETREGS = 12,
+#define PT_GETREGS PTRACE_GETREGS
+
+  /* Set all general purpose registers used by a process.  */
+  PTRACE_SETREGS = 13,
+#define PT_SETREGS PTRACE_SETREGS
+
+  /* Get all floating point registers used by a process.  */
+  PTRACE_GETFPREGS = 14,
+#define PT_GETFPREGS PTRACE_GETFPREGS
+
+  /* Set all floating point registers used by a process.  */
+  PTRACE_SETFPREGS = 15,
+#define PT_SETFPREGS PTRACE_SETFPREGS
+
   /* Attach to a process that is already running. */
   PTRACE_ATTACH = 16,
 #define PT_ATTACH PTRACE_ATTACH
@@ -120,10 +136,56 @@ enum __ptrace_request
   PTRACE_DETACH = 17,
 #define PT_DETACH PTRACE_DETACH
 
+  /* Get all altivec registers used by a process.  */
+  PTRACE_GETVRREGS = 18,
+#define PT_GETVRREGS PTRACE_GETVRREGS
+
+  /* Set all altivec registers used by a process.  */
+  PTRACE_SETVRREGS = 19,
+#define PT_SETVRREGS PTRACE_SETVRREGS
+
+  /* Get all SPE registers used by a process.  */
+  PTRACE_GETEVRREGS = 20,
+#define PT_GETEVRREGS PTRACE_GETEVRREGS
+
+  /* Set all SPE registers used by a process.  */
+  PTRACE_SETEVRREGS = 21,
+#define PT_SETEVRREGS PTRACE_SETEVRREGS
+
+  /* Same as PTRACE_GETREGS except a 32-bit process will obtain
+     the full 64-bit registers.  Implemented by 64-bit kernels only.  */
+  PTRACE_GETREGS64 = 22,
+#define PT_GETREGS64 PTRACE_GETREGS64
+
+  /* Same as PTRACE_SETREGS except a 32-bit process will set
+     the full 64-bit registers.  Implemented by 64-bit kernels only.  */
+  PTRACE_SETREGS64 = 23,
+#define PT_SETREGS64 PTRACE_SETREGS64
+
   /* Continue and stop at the next entry to or return from syscall.  */
   PTRACE_SYSCALL = 24,
 #define PT_SYSCALL PTRACE_SYSCALL
 
+  /* Get a debug register of a process.  */
+  PTRACE_GET_DEBUGREG = 25,
+#define PT_GET_DEBUGREG PTRACE_GET_DEBUGREG
+
+  /* Set a debug register of a process.  */
+  PTRACE_SET_DEBUGREG = 26,
+#define PT_SET_DEBUGREG PTRACE_SET_DEBUGREG
+
+  /* Get the first 32 VSX registers of a process.  */
+  PTRACE_GETVSRREGS = 27,
+#define PT_GETVSRREGS PTRACE_GETVSRREGS
+
+  /* Set the first 32 VSX registers of a process.  */
+  PTRACE_SETVSRREGS = 28,
+#define PT_SETVSRREGS PTRACE_SETVSRREGS
+
+  /* Execute process until next taken branch.  */
+  PTRACE_SINGLEBLOCK = 256,
+#define PT_STEPBLOCK PTRACE_SINGLEBLOCK
+
   /* Set ptrace filter options.  */
   PTRACE_SETOPTIONS = 0x4200,
 #define PT_SETOPTIONS PTRACE_SETOPTIONS