Message-ID: <20090428094931.11879.99536.stgit@warthog.procyon.org.uk>
Date:	Tue, 28 Apr 2009 10:49:31 +0100
From:	David Howells <dhowells@...hat.com>
To:	torvalds@...l.org, akpm@...ux-foundation.org
Cc:	dhowells@...hat.com, hch@....de, roland@...hat.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] FRV: Remove in-kernel strace code

Remove in-kernel strace code from the FRV arch as it's not really needed any
more.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 arch/frv/kernel/ptrace.c |  379 ----------------------------------------------
 1 files changed, 0 insertions(+), 379 deletions(-)


diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index 5e7d401..6b15e5d 100644
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -306,387 +306,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	return ret;
 }
 
-int __nongprelbss kstrace;
-
-static const struct {
-	const char	*name;
-	unsigned	argmask;
-} __syscall_name_table[NR_syscalls] = {
-	[0]	= { "restart_syscall"			},
-	[1]	= { "exit",		0x000001	},
-	[2]	= { "fork",		0xffffff	},
-	[3]	= { "read",		0x000141	},
-	[4]	= { "write",		0x000141	},
-	[5]	= { "open",		0x000235	},
-	[6]	= { "close",		0x000001	},
-	[7]	= { "waitpid",		0x000141	},
-	[8]	= { "creat",		0x000025	},
-	[9]	= { "link",		0x000055	},
-	[10]	= { "unlink",		0x000005	},
-	[11]	= { "execve",		0x000445	},
-	[12]	= { "chdir",		0x000005	},
-	[13]	= { "time",		0x000004	},
-	[14]	= { "mknod",		0x000325	},
-	[15]	= { "chmod",		0x000025	},
-	[16]	= { "lchown",		0x000025	},
-	[17]	= { "break" },
-	[18]	= { "oldstat",		0x000045	},
-	[19]	= { "lseek",		0x000131	},
-	[20]	= { "getpid",		0xffffff	},
-	[21]	= { "mount",		0x043555	},
-	[22]	= { "umount",		0x000005	},
-	[23]	= { "setuid",		0x000001	},
-	[24]	= { "getuid",		0xffffff	},
-	[25]	= { "stime",		0x000004	},
-	[26]	= { "ptrace",		0x004413	},
-	[27]	= { "alarm",		0x000001	},
-	[28]	= { "oldfstat",		0x000041	},
-	[29]	= { "pause",		0xffffff	},
-	[30]	= { "utime",		0x000045	},
-	[31]	= { "stty" },
-	[32]	= { "gtty" },
-	[33]	= { "access",		0x000025	},
-	[34]	= { "nice",		0x000001	},
-	[35]	= { "ftime" },
-	[36]	= { "sync",		0xffffff	},
-	[37]	= { "kill",		0x000011	},
-	[38]	= { "rename",		0x000055	},
-	[39]	= { "mkdir",		0x000025	},
-	[40]	= { "rmdir",		0x000005	},
-	[41]	= { "dup",		0x000001	},
-	[42]	= { "pipe",		0x000004	},
-	[43]	= { "times",		0x000004	},
-	[44]	= { "prof" },
-	[45]	= { "brk",		0x000004	},
-	[46]	= { "setgid",		0x000001	},
-	[47]	= { "getgid",		0xffffff	},
-	[48]	= { "signal",		0x000041	},
-	[49]	= { "geteuid",		0xffffff	},
-	[50]	= { "getegid",		0xffffff	},
-	[51]	= { "acct",		0x000005	},
-	[52]	= { "umount2",		0x000035	},
-	[53]	= { "lock" },
-	[54]	= { "ioctl",		0x000331	},
-	[55]	= { "fcntl",		0x000331	},
-	[56]	= { "mpx" },
-	[57]	= { "setpgid",		0x000011	},
-	[58]	= { "ulimit" },
-	[60]	= { "umask",		0x000002	},
-	[61]	= { "chroot",		0x000005	},
-	[62]	= { "ustat",		0x000043	},
-	[63]	= { "dup2",		0x000011	},
-	[64]	= { "getppid",		0xffffff	},
-	[65]	= { "getpgrp",		0xffffff	},
-	[66]	= { "setsid",		0xffffff	},
-	[67]	= { "sigaction" },
-	[68]	= { "sgetmask" },
-	[69]	= { "ssetmask" },
-	[70]	= { "setreuid" },
-	[71]	= { "setregid" },
-	[72]	= { "sigsuspend" },
-	[73]	= { "sigpending" },
-	[74]	= { "sethostname" },
-	[75]	= { "setrlimit" },
-	[76]	= { "getrlimit" },
-	[77]	= { "getrusage" },
-	[78]	= { "gettimeofday" },
-	[79]	= { "settimeofday" },
-	[80]	= { "getgroups" },
-	[81]	= { "setgroups" },
-	[82]	= { "select" },
-	[83]	= { "symlink" },
-	[84]	= { "oldlstat" },
-	[85]	= { "readlink" },
-	[86]	= { "uselib" },
-	[87]	= { "swapon" },
-	[88]	= { "reboot" },
-	[89]	= { "readdir" },
-	[91]	= { "munmap",		0x000034	},
-	[92]	= { "truncate" },
-	[93]	= { "ftruncate" },
-	[94]	= { "fchmod" },
-	[95]	= { "fchown" },
-	[96]	= { "getpriority" },
-	[97]	= { "setpriority" },
-	[99]	= { "statfs" },
-	[100]	= { "fstatfs" },
-	[102]	= { "socketcall" },
-	[103]	= { "syslog" },
-	[104]	= { "setitimer" },
-	[105]	= { "getitimer" },
-	[106]	= { "stat" },
-	[107]	= { "lstat" },
-	[108]	= { "fstat" },
-	[111]	= { "vhangup" },
-	[114]	= { "wait4" },
-	[115]	= { "swapoff" },
-	[116]	= { "sysinfo" },
-	[117]	= { "ipc" },
-	[118]	= { "fsync" },
-	[119]	= { "sigreturn" },
-	[120]	= { "clone" },
-	[121]	= { "setdomainname" },
-	[122]	= { "uname" },
-	[123]	= { "modify_ldt" },
-	[123]	= { "cacheflush" },
-	[124]	= { "adjtimex" },
-	[125]	= { "mprotect" },
-	[126]	= { "sigprocmask" },
-	[127]	= { "create_module" },
-	[128]	= { "init_module" },
-	[129]	= { "delete_module" },
-	[130]	= { "get_kernel_syms" },
-	[131]	= { "quotactl" },
-	[132]	= { "getpgid" },
-	[133]	= { "fchdir" },
-	[134]	= { "bdflush" },
-	[135]	= { "sysfs" },
-	[136]	= { "personality" },
-	[137]	= { "afs_syscall" },
-	[138]	= { "setfsuid" },
-	[139]	= { "setfsgid" },
-	[140]	= { "_llseek",			0x014331	},
-	[141]	= { "getdents" },
-	[142]	= { "_newselect",		0x000141	},
-	[143]	= { "flock" },
-	[144]	= { "msync" },
-	[145]	= { "readv" },
-	[146]	= { "writev" },
-	[147]	= { "getsid",			0x000001	},
-	[148]	= { "fdatasync",		0x000001	},
-	[149]	= { "_sysctl",			0x000004	},
-	[150]	= { "mlock" },
-	[151]	= { "munlock" },
-	[152]	= { "mlockall" },
-	[153]	= { "munlockall" },
-	[154]	= { "sched_setparam" },
-	[155]	= { "sched_getparam" },
-	[156]	= { "sched_setscheduler" },
-	[157]	= { "sched_getscheduler" },
-	[158]	= { "sched_yield" },
-	[159]	= { "sched_get_priority_max" },
-	[160]	= { "sched_get_priority_min" },
-	[161]	= { "sched_rr_get_interval" },
-	[162]	= { "nanosleep",		0x000044	},
-	[163]	= { "mremap" },
-	[164]	= { "setresuid" },
-	[165]	= { "getresuid" },
-	[166]	= { "vm86" },
-	[167]	= { "query_module" },
-	[168]	= { "poll" },
-	[169]	= { "nfsservctl" },
-	[170]	= { "setresgid" },
-	[171]	= { "getresgid" },
-	[172]	= { "prctl",			0x333331	},
-	[173]	= { "rt_sigreturn",		0xffffff	},
-	[174]	= { "rt_sigaction",		0x001441	},
-	[175]	= { "rt_sigprocmask",		0x001441	},
-	[176]	= { "rt_sigpending",		0x000014	},
-	[177]	= { "rt_sigtimedwait",		0x001444	},
-	[178]	= { "rt_sigqueueinfo",		0x000411	},
-	[179]	= { "rt_sigsuspend",		0x000014	},
-	[180]	= { "pread",			0x003341	},
-	[181]	= { "pwrite",			0x003341	},
-	[182]	= { "chown",			0x000115	},
-	[183]	= { "getcwd" },
-	[184]	= { "capget" },
-	[185]	= { "capset" },
-	[186]	= { "sigaltstack" },
-	[187]	= { "sendfile" },
-	[188]	= { "getpmsg" },
-	[189]	= { "putpmsg" },
-	[190]	= { "vfork",			0xffffff	},
-	[191]	= { "ugetrlimit" },
-	[192]	= { "mmap2",			0x313314	},
-	[193]	= { "truncate64" },
-	[194]	= { "ftruncate64" },
-	[195]	= { "stat64",			0x000045	},
-	[196]	= { "lstat64",			0x000045	},
-	[197]	= { "fstat64",			0x000041	},
-	[198]	= { "lchown32" },
-	[199]	= { "getuid32",			0xffffff	},
-	[200]	= { "getgid32",			0xffffff	},
-	[201]	= { "geteuid32",		0xffffff	},
-	[202]	= { "getegid32",		0xffffff	},
-	[203]	= { "setreuid32" },
-	[204]	= { "setregid32" },
-	[205]	= { "getgroups32" },
-	[206]	= { "setgroups32" },
-	[207]	= { "fchown32" },
-	[208]	= { "setresuid32" },
-	[209]	= { "getresuid32" },
-	[210]	= { "setresgid32" },
-	[211]	= { "getresgid32" },
-	[212]	= { "chown32" },
-	[213]	= { "setuid32" },
-	[214]	= { "setgid32" },
-	[215]	= { "setfsuid32" },
-	[216]	= { "setfsgid32" },
-	[217]	= { "pivot_root" },
-	[218]	= { "mincore" },
-	[219]	= { "madvise" },
-	[220]	= { "getdents64" },
-	[221]	= { "fcntl64" },
-	[223]	= { "security" },
-	[224]	= { "gettid" },
-	[225]	= { "readahead" },
-	[226]	= { "setxattr" },
-	[227]	= { "lsetxattr" },
-	[228]	= { "fsetxattr" },
-	[229]	= { "getxattr" },
-	[230]	= { "lgetxattr" },
-	[231]	= { "fgetxattr" },
-	[232]	= { "listxattr" },
-	[233]	= { "llistxattr" },
-	[234]	= { "flistxattr" },
-	[235]	= { "removexattr" },
-	[236]	= { "lremovexattr" },
-	[237]	= { "fremovexattr" },
-	[238]	= { "tkill" },
-	[239]	= { "sendfile64" },
-	[240]	= { "futex" },
-	[241]	= { "sched_setaffinity" },
-	[242]	= { "sched_getaffinity" },
-	[243]	= { "set_thread_area" },
-	[244]	= { "get_thread_area" },
-	[245]	= { "io_setup" },
-	[246]	= { "io_destroy" },
-	[247]	= { "io_getevents" },
-	[248]	= { "io_submit" },
-	[249]	= { "io_cancel" },
-	[250]	= { "fadvise64" },
-	[252]	= { "exit_group",		0x000001	},
-	[253]	= { "lookup_dcookie" },
-	[254]	= { "epoll_create" },
-	[255]	= { "epoll_ctl" },
-	[256]	= { "epoll_wait" },
-	[257]	= { "remap_file_pages" },
-	[258]	= { "set_tid_address" },
-	[259]	= { "timer_create" },
-	[260]	= { "timer_settime" },
-	[261]	= { "timer_gettime" },
-	[262]	= { "timer_getoverrun" },
-	[263]	= { "timer_delete" },
-	[264]	= { "clock_settime" },
-	[265]	= { "clock_gettime" },
-	[266]	= { "clock_getres" },
-	[267]	= { "clock_nanosleep" },
-	[268]	= { "statfs64" },
-	[269]	= { "fstatfs64" },
-	[270]	= { "tgkill" },
-	[271]	= { "utimes" },
-	[272]	= { "fadvise64_64" },
-	[273]	= { "vserver" },
-	[274]	= { "mbind" },
-	[275]	= { "get_mempolicy" },
-	[276]	= { "set_mempolicy" },
-	[277]	= { "mq_open" },
-	[278]	= { "mq_unlink" },
-	[279]	= { "mq_timedsend" },
-	[280]	= { "mq_timedreceive" },
-	[281]	= { "mq_notify" },
-	[282]	= { "mq_getsetattr" },
-	[283]	= { "sys_kexec_load" },
-};
-
 asmlinkage void do_syscall_trace(int leaving)
 {
-#if 0
-	unsigned long *argp;
-	const char *name;
-	unsigned argmask;
-	char buffer[16];
-
-	if (!kstrace)
-		return;
-
-	if (!current->mm)
-		return;
-
-	if (__frame->gr7 == __NR_close)
-		return;
-
-#if 0
-	if (__frame->gr7 != __NR_mmap2 &&
-	    __frame->gr7 != __NR_vfork &&
-	    __frame->gr7 != __NR_execve &&
-	    __frame->gr7 != __NR_exit)
-		return;
-#endif
-
-	argmask = 0;
-	name = NULL;
-	if (__frame->gr7 < NR_syscalls) {
-		name = __syscall_name_table[__frame->gr7].name;
-		argmask = __syscall_name_table[__frame->gr7].argmask;
-	}
-	if (!name) {
-		sprintf(buffer, "sys_%lx", __frame->gr7);
-		name = buffer;
-	}
-
-	if (!leaving) {
-		if (!argmask) {
-			printk(KERN_CRIT "[%d] %s(%lx,%lx,%lx,%lx,%lx,%lx)\n",
-			       current->pid,
-			       name,
-			       __frame->gr8,
-			       __frame->gr9,
-			       __frame->gr10,
-			       __frame->gr11,
-			       __frame->gr12,
-			       __frame->gr13);
-		}
-		else if (argmask == 0xffffff) {
-			printk(KERN_CRIT "[%d] %s()\n",
-			       current->pid,
-			       name);
-		}
-		else {
-			printk(KERN_CRIT "[%d] %s(",
-			       current->pid,
-			       name);
-
-			argp = &__frame->gr8;
-
-			do {
-				switch (argmask & 0xf) {
-				case 1:
-					printk("%ld", (long) *argp);
-					break;
-				case 2:
-					printk("%lo", *argp);
-					break;
-				case 3:
-					printk("%lx", *argp);
-					break;
-				case 4:
-					printk("%p", (void *) *argp);
-					break;
-				case 5:
-					printk("\"%s\"", (char *) *argp);
-					break;
-				}
-
-				argp++;
-				argmask >>= 4;
-				if (argmask)
-					printk(",");
-
-			} while (argmask);
-
-			printk(")\n");
-		}
-	}
-	else {
-		if ((int)__frame->gr8 > -4096 && (int)__frame->gr8 < 4096)
-			printk(KERN_CRIT "[%d] %s() = %ld\n", current->pid, name, __frame->gr8);
-		else
-			printk(KERN_CRIT "[%d] %s() = %lx\n", current->pid, name, __frame->gr8);
-	}
-	return;
-#endif
-
 	if (!test_thread_flag(TIF_SYSCALL_TRACE))
 		return;
 

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