misc/134919: Additional detail for truss when tracing linux apps

[Steven Hartland]

The following reply was made to PR misc/134919; it has been noted by GNATS.

From: "Steven Hartland" <killing at multiplay.co.uk>
To: <bug-followup at FreeBSD.org>,
	<steven.hartland at multiplay.co.uk>
Cc:  
Subject: Re: misc/134919: Additional detail for truss when tracing linux apps
Date: Sun, 24 May 2009 22:47:42 +0100

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 Updated patch that applies on 7.2-RELEASE
 
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 	name="syscalls.c.patch"
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 	filename="syscalls.c.patch"
 
 --- /usr/src/usr.bin/truss/syscalls.c.orig	2009-04-15 04:14:26.000000000 =
 +0100=0A=
 +++ /usr/src/usr.bin/truss/syscalls.c	2009-05-24 22:41:54.000000000 +0100=0A=
 @@ -96,4 +96,8 @@=0A=
  	{ "readlink", 1, 3,=0A=
  	  { { Name, 0 } , { Readlinkres | OUT, 1 }, { Int, 2 } } },=0A=
 +	{ "linux_readlink", 1, 3,=0A=
 +	  { { Name, 0 } , { Name | OUT, 1 }, { Int, 2 }}},=0A=
 +	{ "linux_socketcall", 1, 2,=0A=
 +	  { { Int, 0 } , { LinuxSockArgs, 1 }}},=0A=
  	{ "lseek", 2, 3,=0A=
  	  { { Int, 0 }, { Quad, 1 + QUAD_ALIGN }, { Whence, 1 + QUAD_SLOTS + =
 QUAD_ALIGN } } },=0A=
 @@ -112,4 +116,6 @@=0A=
  	{ "close", 1, 1,=0A=
  	  { { Int, 0 } } },=0A=
 +	{ "linux_mkdir", 1, 2,=0A=
 +	  { { Name | IN, 0} , {Int, 1}}},=0A=
  	{ "link", 0, 2,=0A=
  	  { { Name, 0 }, { Name, 1 } } },=0A=
 @@ -136,4 +142,6 @@=0A=
  	{ "lstat", 1, 2,=0A=
  	  { { Name | IN, 0 }, { Stat | OUT, 1 } } },=0A=
 +	{ "linux_stat64", 1, 3,=0A=
 +	  { { Name | IN, 0 }, { Ptr | OUT, 1 }, { Ptr | IN, 1 }}},=0A=
  	{ "linux_newstat", 1, 2,=0A=
  	  { { Name | IN, 0 }, { Ptr | OUT, 1 } } },=0A=
 @@ -149,4 +157,5 @@=0A=
  	{ "sigaction", 1, 3,=0A=
  	  { { Signal, 0 }, { Sigaction | IN, 1 }, { Sigaction | OUT, 2 } } },=0A=
 +	{ "linux_access", 1, 2, { { Name, 0 }, { Int, 1 }}},=0A=
  	{ "accept", 1, 3,=0A=
  	  { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },=0A=
 @@ -672,4 +681,74 @@=0A=
  		break;=0A=
  	}=0A=
 +	case LinuxSockArgs:=0A=
 +	{=0A=
 +		struct linux_socketcall_args largs;=0A=
 +		if ( get_struct(pid, (void *)args[sc->offset], (void *)&largs, =
 sizeof(largs)) =3D=3D -1)=0A=
 +		{=0A=
 +			err(1, "get_struct %p", (void *)args[sc->offset]);=0A=
 +		}=0A=
 +		const char *what;=0A=
 +		char buf[30];=0A=
 +=0A=
 +		switch (largs.what) {=0A=
 +		case LINUX_SOCKET:=0A=
 +			what =3D "LINUX_SOCKET";=0A=
 +			break;=0A=
 +		case LINUX_BIND:=0A=
 +			what =3D "LINUX_BIND";=0A=
 +			break;=0A=
 +		case LINUX_CONNECT:=0A=
 +			what =3D "LINUX_CONNECT";=0A=
 +			break;=0A=
 +		case LINUX_LISTEN:=0A=
 +			what =3D "LINUX_LISTEN";=0A=
 +			break;=0A=
 +		case LINUX_ACCEPT:=0A=
 +			what =3D "LINUX_ACCEPT";=0A=
 +			break;=0A=
 +		case LINUX_GETSOCKNAME:=0A=
 +			what =3D "LINUX_GETSOCKNAME";=0A=
 +			break;=0A=
 +		case LINUX_GETPEERNAME:=0A=
 +			what =3D "LINUX_GETPEERNAME";=0A=
 +			break;=0A=
 +		case LINUX_SOCKETPAIR:=0A=
 +			what =3D "LINUX_SOCKETPAIR";=0A=
 +			break;=0A=
 +		case LINUX_SEND:   =0A=
 +			what =3D "LINUX_SEND";=0A=
 +			break;=0A=
 +		case LINUX_RECV: =0A=
 +			what =3D "LINUX_RECV";=0A=
 +			break;=0A=
 +		case LINUX_SENDTO:=0A=
 +			what =3D "LINUX_SENDTO";=0A=
 +			break;=0A=
 +		case LINUX_RECVFROM:=0A=
 +			what =3D "LINUX_RECVFROM";=0A=
 +			break;=0A=
 +		case LINUX_SHUTDOWN:=0A=
 +			what =3D "LINUX_SHUTDOWN";=0A=
 +			break;=0A=
 +		case LINUX_SETSOCKOPT:=0A=
 +			what =3D "LINUX_SETSOCKOPT";=0A=
 +			break;=0A=
 +		case LINUX_GETSOCKOPT:=0A=
 +			what =3D "LINUX_GETSOCKOPT";=0A=
 +			break;=0A=
 +		case LINUX_SENDMSG:=0A=
 +			what =3D "LINUX_SENDMSG";=0A=
 +			break;=0A=
 +		case LINUX_RECVMSG:=0A=
 +			what =3D "LINUX_RECVMSG";=0A=
 +			break;=0A=
 +		default:=0A=
 +			sprintf( buf, "%d", largs.what );=0A=
 +			what =3D buf;=0A=
 +			break;=0A=
 +		}=0A=
 +		asprintf(&tmp, "(0x%lx)%s, 0x%lx", args[sc->offset], what, (long =
 unsigned int)largs.args );=0A=
 +		break;=0A=
 +	}=0A=
  	case Pollfd: {=0A=
  		/*=0A=
 
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