[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, 156 deletions

diff --git a/arch/ia64/ia32/ia32_traps.c b/arch/ia64/ia32/ia32_traps.c
deleted file mode 100644
index e486042..0000000
--- a/arch/ia64/ia32/ia32_traps.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * IA-32 exception handlers
- *
- * Copyright (C) 2000 Asit K. Mallick <asit.k.mallick@intel.com>
- * Copyright (C) 2001-2002 Hewlett-Packard Co
- *	David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * 06/16/00	A. Mallick	added siginfo for most cases (close to IA32)
- * 09/29/00	D. Mosberger	added ia32_intercept()
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-
-#include "ia32priv.h"
-
-#include <asm/intrinsics.h>
-#include <asm/ptrace.h>
-
-int
-ia32_intercept (struct pt_regs *regs, unsigned long isr)
-{
-	switch ((isr >> 16) & 0xff) {
-	      case 0:	/* Instruction intercept fault */
-	      case 4:	/* Locked Data reference fault */
-	      case 1:	/* Gate intercept trap */
-		return -1;
-
-	      case 2:	/* System flag trap */
-		if (((isr >> 14) & 0x3) >= 2) {
-			/* MOV SS, POP SS instructions */
-			ia64_psr(regs)->id = 1;
-			return 0;
-		} else
-			return -1;
-	}
-	return -1;
-}
-
-int
-ia32_exception (struct pt_regs *regs, unsigned long isr)
-{
-	struct siginfo siginfo;
-
-	/* initialize these fields to avoid leaking kernel bits to user space: */
-	siginfo.si_errno = 0;
-	siginfo.si_flags = 0;
-	siginfo.si_isr = 0;
-	siginfo.si_imm = 0;
-	switch ((isr >> 16) & 0xff) {
-	      case 1:
-	      case 2:
-		siginfo.si_signo = SIGTRAP;
-		if (isr == 0)
-			siginfo.si_code = TRAP_TRACE;
-		else if (isr & 0x4)
-			siginfo.si_code = TRAP_BRANCH;
-		else
-			siginfo.si_code = TRAP_BRKPT;
-		break;
-
-	      case 3:
-		siginfo.si_signo = SIGTRAP;
-		siginfo.si_code = TRAP_BRKPT;
-		break;
-
-	      case 0:	/* Divide fault */
-		siginfo.si_signo = SIGFPE;
-		siginfo.si_code = FPE_INTDIV;
-		break;
-
-	      case 4:	/* Overflow */
-	      case 5:	/* Bounds fault */
-		siginfo.si_signo = SIGFPE;
-		siginfo.si_code = 0;
-		break;
-
-	      case 6:	/* Invalid Op-code */
-		siginfo.si_signo = SIGILL;
-		siginfo.si_code = ILL_ILLOPN;
-		break;
-
-	      case 7:	/* FP DNA */
-	      case 8:	/* Double Fault */
-	      case 9:	/* Invalid TSS */
-	      case 11:	/* Segment not present */
-	      case 12:	/* Stack fault */
-	      case 13:	/* General Protection Fault */
-		siginfo.si_signo = SIGSEGV;
-		siginfo.si_code = 0;
-		break;
-
-	      case 16:	/* Pending FP error */
-		{
-			unsigned long fsr, fcr;
-
-			fsr = ia64_getreg(_IA64_REG_AR_FSR);
-			fcr = ia64_getreg(_IA64_REG_AR_FCR);
-
-			siginfo.si_signo = SIGFPE;
-			/*
-			 * (~cwd & swd) will mask out exceptions that are not set to unmasked
-			 * status.  0x3f is the exception bits in these regs, 0x200 is the
-			 * C1 reg you need in case of a stack fault, 0x040 is the stack
-			 * fault bit.  We should only be taking one exception at a time,
-			 * so if this combination doesn't produce any single exception,
-			 * then we have a bad program that isn't synchronizing its FPU usage
-			 * and it will suffer the consequences since we won't be able to
-			 * fully reproduce the context of the exception
-			 */
-			siginfo.si_isr = isr;
-			siginfo.si_flags = __ISR_VALID;
-			switch(((~fcr) & (fsr & 0x3f)) | (fsr & 0x240)) {
-				case 0x000:
-				default:
-					siginfo.si_code = 0;
-					break;
-				case 0x001: /* Invalid Op */
-				case 0x040: /* Stack Fault */
-				case 0x240: /* Stack Fault | Direction */
-					siginfo.si_code = FPE_FLTINV;
-					break;
-				case 0x002: /* Denormalize */
-				case 0x010: /* Underflow */
-					siginfo.si_code = FPE_FLTUND;
-					break;
-				case 0x004: /* Zero Divide */
-					siginfo.si_code = FPE_FLTDIV;
-					break;
-				case 0x008: /* Overflow */
-					siginfo.si_code = FPE_FLTOVF;
-					break;
-				case 0x020: /* Precision */
-					siginfo.si_code = FPE_FLTRES;
-					break;
-			}
-
-			break;
-		}
-
-	      case 17:	/* Alignment check */
-		siginfo.si_signo = SIGSEGV;
-		siginfo.si_code = BUS_ADRALN;
-		break;
-
-	      case 19:	/* SSE Numeric error */
-		siginfo.si_signo = SIGFPE;
-		siginfo.si_code = 0;
-		break;
-
-	      default:
-		return -1;
-	}
-	force_sig_info(siginfo.si_signo, &siginfo, current);
-	return 0;
-}