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Date:      Sat, 10 Jun 2017 00:45:07 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r319763 - head/usr.bin/truss
Message-ID:  <201706100045.v5A0j7K2072889@repo.freebsd.org>
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Author: jhb
Date: Sat Jun 10 00:45:07 2017
New Revision: 319763
URL: https://svnweb.freebsd.org/changeset/base/319763

Log:
  Decode the arguments to ptrace().
  
  This does not decode structures returned by ptrace().

Modified:
  head/usr.bin/truss/syscall.h
  head/usr.bin/truss/syscalls.c

Modified: head/usr.bin/truss/syscall.h
==============================================================================
--- head/usr.bin/truss/syscall.h	Sat Jun 10 00:37:02 2017	(r319762)
+++ head/usr.bin/truss/syscall.h	Sat Jun 10 00:45:07 2017	(r319763)
@@ -50,6 +50,7 @@ enum Argtype { None = 1, Hex, Octal, Int, UInt, LongHe
 	Kldunloadflags, Sizet, Madvice, Socklent, Sockprotocol, Sockoptlevel,
 	Sockoptname, Msgflags, CapRights, PUInt, PQuadHex, Acltype,
 	Extattrnamespace, Minherit, Mlockall, Mountflags, Msync, Priowhich,
+	Ptraceop,
 
 	CloudABIAdvice, CloudABIClockID, ClouduABIFDSFlags,
 	CloudABIFDStat, CloudABIFileStat, CloudABIFileType,

Modified: head/usr.bin/truss/syscalls.c
==============================================================================
--- head/usr.bin/truss/syscalls.c	Sat Jun 10 00:37:02 2017	(r319762)
+++ head/usr.bin/truss/syscalls.c	Sat Jun 10 00:45:07 2017	(r319763)
@@ -361,6 +361,8 @@ static struct syscall decoded_syscalls[] = {
 		    { QuadHex, 3 } } },
 	{ .name = "procctl", .ret_type = 1, .nargs = 4,
 	  .args = { { Idtype, 0 }, { Quad, 1 }, { Procctl, 2 }, { Ptr, 3 } } },
+	{ .name = "ptrace", .ret_type = 1, .nargs = 4,
+	  .args = { { Ptraceop, 0 }, { Int, 1 }, { Ptr, 2 }, { Int, 3 } } },
 	{ .name = "pwrite", .ret_type = 1, .nargs = 4,
 	  .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 },
 		    { QuadHex, 3 } } },
@@ -2129,6 +2131,10 @@ print_arg(struct syscall_args *sc, unsigned long *args
 		break;
 	case Priowhich:
 		print_integer_arg(sysdecode_prio_which, fp, args[sc->offset]);
+		break;
+	case Ptraceop:
+		print_integer_arg(sysdecode_ptrace_request, fp,
+		    args[sc->offset]);
 		break;
 
 	case CloudABIAdvice:

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