[IA64] Remove COMPAT_IA32 support

This has been broken since May 2008 when Al Viro killed altroot support.
Since nobody has complained, it would appear that there are no users of
this code (A plausible theory since the main OSVs that support ia64 prefer
to use the IA32-EL software emulation).

Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 0 insertions, 468 deletions

diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
deleted file mode 100644
index 2fd7479aa216..000000000000
--- a/arch/ia64/ia32/ia32_entry.S
+++ /dev/null
@@ -1,468 +0,0 @@
-#include <asm/asmmacro.h>
-#include <asm/ia32.h>
-#include <asm/asm-offsets.h>
-#include <asm/signal.h>
-#include <asm/thread_info.h>
-
-#include "../kernel/minstate.h"
-
-	/*
-	 * execve() is special because in case of success, we need to
-	 * setup a null register window frame (in case an IA-32 process
-	 * is exec'ing an IA-64 program).
-	 */
-ENTRY(ia32_execve)
-	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(3)
-	alloc loc1=ar.pfs,3,2,4,0
-	mov loc0=rp
-	.body
-	zxt4 out0=in0			// filename
-	;;				// stop bit between alloc and call
-	zxt4 out1=in1			// argv
-	zxt4 out2=in2			// envp
-	add out3=16,sp			// regs
-	br.call.sptk.few rp=sys32_execve
-1:	cmp.ge p6,p0=r8,r0
-	mov ar.pfs=loc1			// restore ar.pfs
-	;;
-(p6)	mov ar.pfs=r0			// clear ar.pfs in case of success
-	sxt4 r8=r8			// return 64-bit result
-	mov rp=loc0
-	br.ret.sptk.few rp
-END(ia32_execve)
-
-ENTRY(ia32_clone)
-	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(5)
-	alloc r16=ar.pfs,5,2,6,0
-	DO_SAVE_SWITCH_STACK
-	mov loc0=rp
-	mov loc1=r16				// save ar.pfs across do_fork
-	.body
-	zxt4 out1=in1				// newsp
-	mov out3=16				// stacksize (compensates for 16-byte scratch area)
-	adds out2=IA64_SWITCH_STACK_SIZE+16,sp	// out2 = &regs
-	mov out0=in0				// out0 = clone_flags
-	zxt4 out4=in2				// out4 = parent_tidptr
-	zxt4 out5=in4				// out5 = child_tidptr
-	br.call.sptk.many rp=do_fork
-.ret0:	.restore sp
-	adds sp=IA64_SWITCH_STACK_SIZE,sp	// pop the switch stack
-	mov ar.pfs=loc1
-	mov rp=loc0
-	br.ret.sptk.many rp
-END(ia32_clone)
-
-GLOBAL_ENTRY(ia32_ret_from_clone)
-	PT_REGS_UNWIND_INFO(0)
-{	/*
-	 * Some versions of gas generate bad unwind info if the first instruction of a
-	 * procedure doesn't go into the first slot of a bundle.  This is a workaround.
-	 */
-	nop.m 0
-	nop.i 0
-	/*
-	 * We need to call schedule_tail() to complete the scheduling process.
-	 * Called by ia64_switch_to after do_fork()->copy_thread().  r8 contains the
-	 * address of the previously executing task.
-	 */
-	br.call.sptk.many rp=ia64_invoke_schedule_tail
-}
-.ret1:
-	adds r2=TI_FLAGS+IA64_TASK_SIZE,r13
-	;;
-	ld4 r2=[r2]
-	;;
-	mov r8=0
-	and r2=_TIF_SYSCALL_TRACEAUDIT,r2
-	;;
-	cmp.ne p6,p0=r2,r0
-(p6)	br.cond.spnt .ia32_strace_check_retval
-	;;					// prevent RAW on r8
-END(ia32_ret_from_clone)
-	// fall through
-GLOBAL_ENTRY(ia32_ret_from_syscall)
-	PT_REGS_UNWIND_INFO(0)
-
-	cmp.ge p6,p7=r8,r0                      // syscall executed successfully?
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp    // r2 = &pt_regs.r8
-	;;
-	alloc r3=ar.pfs,0,0,0,0			// drop the syscall argument frame
-	st8 [r2]=r8                             // store return value in slot for r8
-	br.cond.sptk.many ia64_leave_kernel
-END(ia32_ret_from_syscall)
-
-	//
-	// Invoke a system call, but do some tracing before and after the call.
-	// We MUST preserve the current register frame throughout this routine
-	// because some system calls (such as ia64_execve) directly
-	// manipulate ar.pfs.
-	//
-	// Input:
-	//	r8 = syscall number
-	//	b6 = syscall entry point
-	//
-GLOBAL_ENTRY(ia32_trace_syscall)
-	PT_REGS_UNWIND_INFO(0)
-	mov r3=-38
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp
-	;;
-	st8 [r2]=r3				// initialize return code to -ENOSYS
-	br.call.sptk.few rp=syscall_trace_enter	// give parent a chance to catch syscall args
-	cmp.lt p6,p0=r8,r0			// check tracehook
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp	// r2 = &pt_regs.r8
-	;;
-(p6)	st8.spill [r2]=r8			// store return value in slot for r8
-(p6)	br.spnt.few .ret4
-.ret2:	// Need to reload arguments (they may be changed by the tracing process)
-	adds r2=IA64_PT_REGS_R1_OFFSET+16,sp	// r2 = &pt_regs.r1
-	adds r3=IA64_PT_REGS_R13_OFFSET+16,sp	// r3 = &pt_regs.r13
-	mov r15=IA32_NR_syscalls
-	;;
-	ld4 r8=[r2],IA64_PT_REGS_R9_OFFSET-IA64_PT_REGS_R1_OFFSET
-	movl r16=ia32_syscall_table
-	;;
-	ld4 r33=[r2],8				// r9 == ecx
-	ld4 r37=[r3],16				// r13 == ebp
-	cmp.ltu.unc p6,p7=r8,r15
-	;;
-	ld4 r34=[r2],8				// r10 == edx
-	ld4 r36=[r3],8				// r15 == edi
-(p6)	shladd r16=r8,3,r16	// force ni_syscall if not valid syscall number
-	;;
-	ld8 r16=[r16]
-	;;
-	ld4 r32=[r2],8				// r11 == ebx
-	mov b6=r16
-	ld4 r35=[r3],8				// r14 == esi
-	br.call.sptk.few rp=b6			// do the syscall
-.ia32_strace_check_retval:
-	cmp.lt p6,p0=r8,r0			// syscall failed?
-	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp	// r2 = &pt_regs.r8
-	;;
-	st8.spill [r2]=r8			// store return value in slot for r8
-	br.call.sptk.few rp=syscall_trace_leave	// give parent a chance to catch return value
-.ret4:	alloc r2=ar.pfs,0,0,0,0			// drop the syscall argument frame
-	br.cond.sptk.many ia64_leave_kernel
-END(ia32_trace_syscall)
-
-GLOBAL_ENTRY(sys32_vfork)
-	alloc r16=ar.pfs,2,2,4,0;;
-	mov out0=IA64_CLONE_VFORK|IA64_CLONE_VM|SIGCHLD	// out0 = clone_flags
-	br.cond.sptk.few .fork1			// do the work
-END(sys32_vfork)
-
-GLOBAL_ENTRY(sys32_fork)
-	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
-	alloc r16=ar.pfs,2,2,4,0
-	mov out0=SIGCHLD			// out0 = clone_flags
-	;;
-.fork1:
-	mov loc0=rp
-	mov loc1=r16				// save ar.pfs across do_fork
-	DO_SAVE_SWITCH_STACK
-
-	.body
-
-	mov out1=0
-	mov out3=0
-	adds out2=IA64_SWITCH_STACK_SIZE+16,sp	// out2 = &regs
-	br.call.sptk.few rp=do_fork
-.ret5:	.restore sp
-	adds sp=IA64_SWITCH_STACK_SIZE,sp	// pop the switch stack
-	mov ar.pfs=loc1
-	mov rp=loc0
-	br.ret.sptk.many rp
-END(sys32_fork)
-
-	.rodata
-	.align 8
-	.globl ia32_syscall_table
-ia32_syscall_table:
-	data8 sys_ni_syscall	  /* 0	-  old "setup(" system call*/
-	data8 sys_exit
-	data8 sys32_fork
-	data8 sys_read
-	data8 sys_write
-	data8 compat_sys_open	  /* 5 */
-	data8 sys_close
-	data8 sys32_waitpid
-	data8 sys_creat
-	data8 sys_link
-	data8 sys_unlink	  /* 10 */
-	data8 ia32_execve
-	data8 sys_chdir
-	data8 compat_sys_time
-	data8 sys_mknod
-	data8 sys_chmod		  /* 15 */
-	data8 sys_lchown	/* 16-bit version */
-	data8 sys_ni_syscall	  /* old break syscall holder */
-	data8 sys_ni_syscall
-	data8 sys32_lseek
-	data8 sys_getpid	  /* 20 */
-	data8 compat_sys_mount
-	data8 sys_oldumount
-	data8 sys_setuid	/* 16-bit version */
-	data8 sys_getuid	/* 16-bit version */
-	data8 compat_sys_stime    /* 25 */
-	data8 compat_sys_ptrace
-	data8 sys32_alarm
-	data8 sys_ni_syscall
-	data8 sys_pause
-	data8 compat_sys_utime	  /* 30 */
-	data8 sys_ni_syscall	  /* old stty syscall holder */
-	data8 sys_ni_syscall	  /* old gtty syscall holder */
-	data8 sys_access
-	data8 sys_nice
-	data8 sys_ni_syscall	  /* 35 */	  /* old ftime syscall holder */
-	data8 sys_sync
-	data8 sys_kill
-	data8 sys_rename
-	data8 sys_mkdir
-	data8 sys_rmdir		  /* 40 */
-	data8 sys_dup
-	data8 sys_ia64_pipe
-	data8 compat_sys_times
-	data8 sys_ni_syscall	  /* old prof syscall holder */
-	data8 sys32_brk		  /* 45 */
-	data8 sys_setgid	/* 16-bit version */
-	data8 sys_getgid	/* 16-bit version */
-	data8 sys32_signal
-	data8 sys_geteuid	/* 16-bit version */
-	data8 sys_getegid	/* 16-bit version */	  /* 50 */
-	data8 sys_acct
-	data8 sys_umount	  /* recycled never used phys( */
-	data8 sys_ni_syscall	  /* old lock syscall holder */
-	data8 compat_sys_ioctl
-	data8 compat_sys_fcntl	  /* 55 */
-	data8 sys_ni_syscall	  /* old mpx syscall holder */
-	data8 sys_setpgid
-	data8 sys_ni_syscall	  /* old ulimit syscall holder */
-	data8 sys_ni_syscall
-	data8 sys_umask		  /* 60 */
-	data8 sys_chroot
-	data8 compat_sys_ustat
-	data8 sys_dup2
-	data8 sys_getppid
-	data8 sys_getpgrp	  /* 65 */
-	data8 sys_setsid
-	data8 sys32_sigaction
-	data8 sys_ni_syscall
-	data8 sys_ni_syscall
-	data8 sys_setreuid	/* 16-bit version */	  /* 70 */
-	data8 sys_setregid	/* 16-bit version */
-	data8 sys32_sigsuspend
-	data8 compat_sys_sigpending
-	data8 sys_sethostname
-	data8 compat_sys_setrlimit	  /* 75 */
-	data8 compat_sys_old_getrlimit
-	data8 compat_sys_getrusage
-	data8 compat_sys_gettimeofday
-	data8 compat_sys_settimeofday
-	data8 sys32_getgroups16	  /* 80 */
-	data8 sys32_setgroups16
-	data8 sys32_old_select
-	data8 sys_symlink
-	data8 sys_ni_syscall
-	data8 sys_readlink	  /* 85 */
-	data8 sys_uselib
-	data8 sys_swapon
-	data8 sys_reboot
-	data8 compat_sys_old_readdir
-	data8 sys32_mmap	  /* 90 */
-	data8 sys32_munmap
-	data8 sys_truncate
-	data8 sys_ftruncate
-	data8 sys_fchmod
-	data8 sys_fchown	/* 16-bit version */	  /* 95 */
-	data8 sys_getpriority
-	data8 sys_setpriority
-	data8 sys_ni_syscall	  /* old profil syscall holder */
-	data8 compat_sys_statfs
-	data8 compat_sys_fstatfs	  /* 100 */
-	data8 sys_ni_syscall	/* ioperm */
-	data8 compat_sys_socketcall
-	data8 sys_syslog
-	data8 compat_sys_setitimer
-	data8 compat_sys_getitimer	  /* 105 */
-	data8 compat_sys_newstat
-	data8 compat_sys_newlstat
-	data8 compat_sys_newfstat
-	data8 sys_ni_syscall
-	data8 sys_ni_syscall	/* iopl */	/* 110 */
-	data8 sys_vhangup
-	data8 sys_ni_syscall		/* used to be sys_idle */
-	data8 sys_ni_syscall
-	data8 compat_sys_wait4
-	data8 sys_swapoff	  /* 115 */
-	data8 compat_sys_sysinfo
-	data8 sys32_ipc
-	data8 sys_fsync
-	data8 sys32_sigreturn
-	data8 ia32_clone	  /* 120 */
-	data8 sys_setdomainname
-	data8 sys32_newuname
-	data8 sys32_modify_ldt
-	data8 compat_sys_adjtimex
-	data8 sys32_mprotect	  /* 125 */
-	data8 compat_sys_sigprocmask
-	data8 sys_ni_syscall	/* create_module */
-	data8 sys_ni_syscall	/* init_module */
-	data8 sys_ni_syscall	/* delete_module */
-	data8 sys_ni_syscall	/* get_kernel_syms */  /* 130 */
-	data8 sys32_quotactl
-	data8 sys_getpgid
-	data8 sys_fchdir
-	data8 sys_ni_syscall	/* sys_bdflush */
-	data8 sys_sysfs		/* 135 */
-	data8 sys32_personality
-	data8 sys_ni_syscall	  /* for afs_syscall */
-	data8 sys_setfsuid	/* 16-bit version */
-	data8 sys_setfsgid	/* 16-bit version */
-	data8 sys_llseek	  /* 140 */
-	data8 compat_sys_getdents
-	data8 compat_sys_select
-	data8 sys_flock
-	data8 sys32_msync
-	data8 compat_sys_readv	  /* 145 */
-	data8 compat_sys_writev
-	data8 sys_getsid
-	data8 sys_fdatasync
-	data8 compat_sys_sysctl
-	data8 sys_mlock		  /* 150 */
-	data8 sys_munlock
-	data8 sys_mlockall
-	data8 sys_munlockall
-	data8 sys_sched_setparam
-	data8 sys_sched_getparam  /* 155 */
-	data8 sys_sched_setscheduler
-	data8 sys_sched_getscheduler
-	data8 sys_sched_yield
-	data8 sys_sched_get_priority_max
-	data8 sys_sched_get_priority_min	 /* 160 */
-	data8 sys32_sched_rr_get_interval
-	data8 compat_sys_nanosleep
-	data8 sys32_mremap
-	data8 sys_setresuid	/* 16-bit version */
-	data8 sys32_getresuid16	/* 16-bit version */	  /* 165 */
-	data8 sys_ni_syscall	/* vm86 */
-	data8 sys_ni_syscall	/* sys_query_module */
-	data8 sys_poll
-	data8 sys_ni_syscall	/* nfsservctl */
-	data8 sys_setresgid	  /* 170 */
-	data8 sys32_getresgid16
-	data8 sys_prctl
-	data8 sys32_rt_sigreturn
-	data8 sys32_rt_sigaction
-	data8 sys32_rt_sigprocmask /* 175 */
-	data8 sys_rt_sigpending
-	data8 compat_sys_rt_sigtimedwait
-	data8 sys32_rt_sigqueueinfo
-	data8 compat_sys_rt_sigsuspend
-	data8 sys32_pread	  /* 180 */
-	data8 sys32_pwrite
-	data8 sys_chown	/* 16-bit version */
-	data8 sys_getcwd
-	data8 sys_capget
-	data8 sys_capset	  /* 185 */
-	data8 sys32_sigaltstack
-	data8 sys32_sendfile
-	data8 sys_ni_syscall		  /* streams1 */
-	data8 sys_ni_syscall		  /* streams2 */
-	data8 sys32_vfork	  /* 190 */
-	data8 compat_sys_getrlimit
-	data8 sys32_mmap2
-	data8 sys32_truncate64
-	data8 sys32_ftruncate64
-	data8 sys32_stat64	  /* 195 */
-	data8 sys32_lstat64
-	data8 sys32_fstat64
-	data8 sys_lchown
-	data8 sys_getuid
-	data8 sys_getgid	  /* 200 */
-	data8 sys_geteuid
-	data8 sys_getegid
-	data8 sys_setreuid
-	data8 sys_setregid
-	data8 sys_getgroups	  /* 205 */
-	data8 sys_setgroups
-	data8 sys_fchown
-	data8 sys_setresuid
-	data8 sys_getresuid
-	data8 sys_setresgid	  /* 210 */
-	data8 sys_getresgid
-	data8 sys_chown
-	data8 sys_setuid
-	data8 sys_setgid
-	data8 sys_setfsuid	  /* 215 */
-	data8 sys_setfsgid
-	data8 sys_pivot_root
-	data8 sys_mincore
-	data8 sys_madvise
-	data8 compat_sys_getdents64	  /* 220 */
-	data8 compat_sys_fcntl64
-	data8 sys_ni_syscall		/* reserved for TUX */
-	data8 sys_ni_syscall		/* reserved for Security */
-	data8 sys_gettid
-	data8 sys_readahead	  /* 225 */
- 	data8 sys_setxattr
- 	data8 sys_lsetxattr
- 	data8 sys_fsetxattr
- 	data8 sys_getxattr
- 	data8 sys_lgetxattr	/* 230 */
- 	data8 sys_fgetxattr
- 	data8 sys_listxattr
- 	data8 sys_llistxattr
- 	data8 sys_flistxattr
- 	data8 sys_removexattr	/* 235 */
- 	data8 sys_lremovexattr
- 	data8 sys_fremovexattr
-	data8 sys_tkill
- 	data8 sys_sendfile64
-	data8 compat_sys_futex	/* 240 */
-	data8 compat_sys_sched_setaffinity
-	data8 compat_sys_sched_getaffinity
-	data8 sys32_set_thread_area
-	data8 sys32_get_thread_area
- 	data8 compat_sys_io_setup	/* 245 */
- 	data8 sys_io_destroy
- 	data8 compat_sys_io_getevents
- 	data8 compat_sys_io_submit
- 	data8 sys_io_cancel
- 	data8 sys_fadvise64	/* 250 */
-	data8 sys_ni_syscall
-	data8 sys_exit_group
- 	data8 sys_lookup_dcookie
-	data8 sys_epoll_create
-	data8 sys32_epoll_ctl	/* 255 */
-	data8 sys32_epoll_wait
-	data8 sys_remap_file_pages
-	data8 sys_set_tid_address
- 	data8 compat_sys_timer_create
- 	data8 compat_sys_timer_settime	/* 260 */
- 	data8 compat_sys_timer_gettime
- 	data8 sys_timer_getoverrun
- 	data8 sys_timer_delete
- 	data8 compat_sys_clock_settime
- 	data8 compat_sys_clock_gettime /* 265 */
- 	data8 compat_sys_clock_getres
- 	data8 compat_sys_clock_nanosleep
-	data8 compat_sys_statfs64
-	data8 compat_sys_fstatfs64
- 	data8 sys_tgkill	/* 270 */
- 	data8 compat_sys_utimes
- 	data8 sys32_fadvise64_64
- 	data8 sys_ni_syscall
-  	data8 sys_ni_syscall
- 	data8 sys_ni_syscall	/* 275 */
-  	data8 sys_ni_syscall
-  	data8 compat_sys_mq_open
-  	data8 sys_mq_unlink
-  	data8 compat_sys_mq_timedsend
-  	data8 compat_sys_mq_timedreceive	/* 280 */
-  	data8 compat_sys_mq_notify
-  	data8 compat_sys_mq_getsetattr
-	data8 sys_ni_syscall		/* reserved for kexec */
-	data8 compat_sys_waitid
-
-	// guard against failures to increase IA32_NR_syscalls
-	.org ia32_syscall_table + 8*IA32_NR_syscalls