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authorDmitry V. Levin <ldv@altlinux.org>2017-12-27 00:54:38 +0000
committerDmitry V. Levin <ldv@altlinux.org>2017-12-29 16:10:39 +0000
commitac583f50744a81899cf4298232c1a1358dcd29ab (patch)
treeb67b6d797723a939f30a7bf2711d5efd5c1fd493 /sysdeps/unix/sysv/linux/sys
parent7e21972bde2b92de5862dcf373dcc5efe2a66e0a (diff)
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linux: update sys/ptrace.h comments
* sysdeps/unix/sysv/linux/sys/ptrace.h (__ptrace_request): Add comments
about PTRACE_PEEKSIGINFO, PTRACE_GETSIGMASK, PTRACE_SETSIGMASK, and
PTRACE_SECCOMP_GET_FILTER.  Update comments about PTRACE_SINGLESTEP
and PTRACE_SYSCALL.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sys')
-rw-r--r--sysdeps/unix/sysv/linux/sys/ptrace.h22
1 files changed, 13 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/ptrace.h b/sysdeps/unix/sysv/linux/sys/ptrace.h
index 096e2635fd..6bdc91d436 100644
--- a/sysdeps/unix/sysv/linux/sys/ptrace.h
+++ b/sysdeps/unix/sysv/linux/sys/ptrace.h
@@ -1,5 +1,6 @@
 /* `ptrace' debugger support interface.  Linux version.
    Copyright (C) 1996-2017 Free Software Foundation, Inc.
+
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -65,29 +66,28 @@ enum __ptrace_request
   PTRACE_KILL = 8,
 #define PT_KILL PTRACE_KILL
 
-  /* Single step the process.
-     This is not supported on all machines.  */
+  /* Single step the process.  */
   PTRACE_SINGLESTEP = 9,
 #define PT_STEP PTRACE_SINGLESTEP
 
   /* Get all general purpose registers used by a processes.
      This is not supported on all machines.  */
-   PTRACE_GETREGS = 12,
+  PTRACE_GETREGS = 12,
 #define PT_GETREGS PTRACE_GETREGS
 
   /* Set all general purpose registers used by a processes.
      This is not supported on all machines.  */
-   PTRACE_SETREGS = 13,
+  PTRACE_SETREGS = 13,
 #define PT_SETREGS PTRACE_SETREGS
 
   /* Get all floating point registers used by a processes.
      This is not supported on all machines.  */
-   PTRACE_GETFPREGS = 14,
+  PTRACE_GETFPREGS = 14,
 #define PT_GETFPREGS PTRACE_GETFPREGS
 
   /* Set all floating point registers used by a processes.
      This is not supported on all machines.  */
-   PTRACE_SETFPREGS = 15,
+  PTRACE_SETFPREGS = 15,
 #define PT_SETFPREGS PTRACE_SETFPREGS
 
   /* Attach to a process that is already running. */
@@ -100,15 +100,15 @@ enum __ptrace_request
 
   /* Get all extended floating point registers used by a processes.
      This is not supported on all machines.  */
-   PTRACE_GETFPXREGS = 18,
+  PTRACE_GETFPXREGS = 18,
 #define PT_GETFPXREGS PTRACE_GETFPXREGS
 
   /* Set all extended floating point registers used by a processes.
      This is not supported on all machines.  */
-   PTRACE_SETFPXREGS = 19,
+  PTRACE_SETFPXREGS = 19,
 #define PT_SETFPXREGS PTRACE_SETFPXREGS
 
-  /* Continue and stop at the next (return from) syscall.  */
+  /* Continue and stop at the next entry to or return from syscall.  */
   PTRACE_SYSCALL = 24,
 #define PT_SYSCALL PTRACE_SYSCALL
 
@@ -149,15 +149,19 @@ enum __ptrace_request
   PTRACE_LISTEN = 0x4208,
 #define PTRACE_LISTEN PTRACE_LISTEN
 
+  /* Retrieve siginfo_t structures without removing signals from a queue.  */
   PTRACE_PEEKSIGINFO = 0x4209,
 #define PTRACE_PEEKSIGINFO PTRACE_PEEKSIGINFO
 
+  /* Get the mask of blocked signals.  */
   PTRACE_GETSIGMASK = 0x420a,
 #define PTRACE_GETSIGMASK PTRACE_GETSIGMASK
 
+  /* Change the mask of blocked signals.  */
   PTRACE_SETSIGMASK = 0x420b,
 #define PTRACE_SETSIGMASK PTRACE_SETSIGMASK
 
+  /* Get seccomp BPF filters.  */
   PTRACE_SECCOMP_GET_FILTER = 0x420c
 #define PTRACE_SECCOMP_GET_FILTER PTRACE_SECCOMP_GET_FILTER
 };