Adding upstream version 6.7.7.upstream/6.7.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 460 deletions

diff --git a/arch/ia64/kernel/unwind_decoder.c b/arch/ia64/kernel/unwind_decoder.c
deleted file mode 100644
index 83f54f7929..0000000000
--- a/arch/ia64/kernel/unwind_decoder.c
+++ /dev/null
@@ -1,460 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2000 Hewlett-Packard Co
- * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * Generic IA-64 unwind info decoder.
- *
- * This file is used both by the Linux kernel and objdump.  Please keep
- * the two copies of this file in sync.
- *
- * You need to customize the decoder by defining the following
- * macros/constants before including this file:
- *
- *  Types:
- *	unw_word	Unsigned integer type with at least 64 bits 
- *
- *  Register names:
- *	UNW_REG_BSP
- *	UNW_REG_BSPSTORE
- *	UNW_REG_FPSR
- *	UNW_REG_LC
- *	UNW_REG_PFS
- *	UNW_REG_PR
- *	UNW_REG_RNAT
- *	UNW_REG_PSP
- *	UNW_REG_RP
- *	UNW_REG_UNAT
- *
- *  Decoder action macros:
- *	UNW_DEC_BAD_CODE(code)
- *	UNW_DEC_ABI(fmt,abi,context,arg)
- *	UNW_DEC_BR_GR(fmt,brmask,gr,arg)
- *	UNW_DEC_BR_MEM(fmt,brmask,arg)
- *	UNW_DEC_COPY_STATE(fmt,label,arg)
- *	UNW_DEC_EPILOGUE(fmt,t,ecount,arg)
- *	UNW_DEC_FRGR_MEM(fmt,grmask,frmask,arg)
- *	UNW_DEC_FR_MEM(fmt,frmask,arg)
- *	UNW_DEC_GR_GR(fmt,grmask,gr,arg)
- *	UNW_DEC_GR_MEM(fmt,grmask,arg)
- *	UNW_DEC_LABEL_STATE(fmt,label,arg)
- *	UNW_DEC_MEM_STACK_F(fmt,t,size,arg)
- *	UNW_DEC_MEM_STACK_V(fmt,t,arg)
- *	UNW_DEC_PRIUNAT_GR(fmt,r,arg)
- *	UNW_DEC_PRIUNAT_WHEN_GR(fmt,t,arg)
- *	UNW_DEC_PRIUNAT_WHEN_MEM(fmt,t,arg)
- *	UNW_DEC_PRIUNAT_WHEN_PSPREL(fmt,pspoff,arg)
- *	UNW_DEC_PRIUNAT_WHEN_SPREL(fmt,spoff,arg)
- *	UNW_DEC_PROLOGUE(fmt,body,rlen,arg)
- *	UNW_DEC_PROLOGUE_GR(fmt,rlen,mask,grsave,arg)
- *	UNW_DEC_REG_PSPREL(fmt,reg,pspoff,arg)
- *	UNW_DEC_REG_REG(fmt,src,dst,arg)
- *	UNW_DEC_REG_SPREL(fmt,reg,spoff,arg)
- *	UNW_DEC_REG_WHEN(fmt,reg,t,arg)
- *	UNW_DEC_RESTORE(fmt,t,abreg,arg)
- *	UNW_DEC_RESTORE_P(fmt,qp,t,abreg,arg)
- *	UNW_DEC_SPILL_BASE(fmt,pspoff,arg)
- *	UNW_DEC_SPILL_MASK(fmt,imaskp,arg)
- *	UNW_DEC_SPILL_PSPREL(fmt,t,abreg,pspoff,arg)
- *	UNW_DEC_SPILL_PSPREL_P(fmt,qp,t,abreg,pspoff,arg)
- *	UNW_DEC_SPILL_REG(fmt,t,abreg,x,ytreg,arg)
- *	UNW_DEC_SPILL_REG_P(fmt,qp,t,abreg,x,ytreg,arg)
- *	UNW_DEC_SPILL_SPREL(fmt,t,abreg,spoff,arg)
- *	UNW_DEC_SPILL_SPREL_P(fmt,qp,t,abreg,pspoff,arg)
- */
-
-static unw_word
-unw_decode_uleb128 (unsigned char **dpp)
-{
-  unsigned shift = 0;
-  unw_word byte, result = 0;
-  unsigned char *bp = *dpp;
-
-  while (1)
-    {
-      byte = *bp++;
-      result |= (byte & 0x7f) << shift;
-      if ((byte & 0x80) == 0)
-	break;
-      shift += 7;
-    }
-  *dpp = bp;
-  return result;
-}
-
-static unsigned char *
-unw_decode_x1 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unsigned char byte1, abreg;
-  unw_word t, off;
-
-  byte1 = *dp++;
-  t = unw_decode_uleb128 (&dp);
-  off = unw_decode_uleb128 (&dp);
-  abreg = (byte1 & 0x7f);
-  if (byte1 & 0x80)
-	  UNW_DEC_SPILL_SPREL(X1, t, abreg, off, arg);
-  else
-	  UNW_DEC_SPILL_PSPREL(X1, t, abreg, off, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_x2 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unsigned char byte1, byte2, abreg, x, ytreg;
-  unw_word t;
-
-  byte1 = *dp++; byte2 = *dp++;
-  t = unw_decode_uleb128 (&dp);
-  abreg = (byte1 & 0x7f);
-  ytreg = byte2;
-  x = (byte1 >> 7) & 1;
-  if ((byte1 & 0x80) == 0 && ytreg == 0)
-    UNW_DEC_RESTORE(X2, t, abreg, arg);
-  else
-    UNW_DEC_SPILL_REG(X2, t, abreg, x, ytreg, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_x3 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unsigned char byte1, byte2, abreg, qp;
-  unw_word t, off;
-
-  byte1 = *dp++; byte2 = *dp++;
-  t = unw_decode_uleb128 (&dp);
-  off = unw_decode_uleb128 (&dp);
-
-  qp = (byte1 & 0x3f);
-  abreg = (byte2 & 0x7f);
-
-  if (byte1 & 0x80)
-    UNW_DEC_SPILL_SPREL_P(X3, qp, t, abreg, off, arg);
-  else
-    UNW_DEC_SPILL_PSPREL_P(X3, qp, t, abreg, off, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_x4 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unsigned char byte1, byte2, byte3, qp, abreg, x, ytreg;
-  unw_word t;
-
-  byte1 = *dp++; byte2 = *dp++; byte3 = *dp++;
-  t = unw_decode_uleb128 (&dp);
-
-  qp = (byte1 & 0x3f);
-  abreg = (byte2 & 0x7f);
-  x = (byte2 >> 7) & 1;
-  ytreg = byte3;
-
-  if ((byte2 & 0x80) == 0 && byte3 == 0)
-    UNW_DEC_RESTORE_P(X4, qp, t, abreg, arg);
-  else
-    UNW_DEC_SPILL_REG_P(X4, qp, t, abreg, x, ytreg, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_r1 (unsigned char *dp, unsigned char code, void *arg)
-{
-  int body = (code & 0x20) != 0;
-  unw_word rlen;
-
-  rlen = (code & 0x1f);
-  UNW_DEC_PROLOGUE(R1, body, rlen, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_r2 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unsigned char byte1, mask, grsave;
-  unw_word rlen;
-
-  byte1 = *dp++;
-
-  mask = ((code & 0x7) << 1) | ((byte1 >> 7) & 1);
-  grsave = (byte1 & 0x7f);
-  rlen = unw_decode_uleb128 (&dp);
-  UNW_DEC_PROLOGUE_GR(R2, rlen, mask, grsave, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_r3 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unw_word rlen;
-
-  rlen = unw_decode_uleb128 (&dp);
-  UNW_DEC_PROLOGUE(R3, ((code & 0x3) == 1), rlen, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_p1 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unsigned char brmask = (code & 0x1f);
-
-  UNW_DEC_BR_MEM(P1, brmask, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_p2_p5 (unsigned char *dp, unsigned char code, void *arg)
-{
-  if ((code & 0x10) == 0)
-    {
-      unsigned char byte1 = *dp++;
-
-      UNW_DEC_BR_GR(P2, ((code & 0xf) << 1) | ((byte1 >> 7) & 1),
-		    (byte1 & 0x7f), arg);
-    }
-  else if ((code & 0x08) == 0)
-    {
-      unsigned char byte1 = *dp++, r, dst;
-
-      r = ((code & 0x7) << 1) | ((byte1 >> 7) & 1);
-      dst = (byte1 & 0x7f);
-      switch (r)
-	{
-	case 0: UNW_DEC_REG_GR(P3, UNW_REG_PSP, dst, arg); break;
-	case 1: UNW_DEC_REG_GR(P3, UNW_REG_RP, dst, arg); break;
-	case 2: UNW_DEC_REG_GR(P3, UNW_REG_PFS, dst, arg); break;
-	case 3: UNW_DEC_REG_GR(P3, UNW_REG_PR, dst, arg); break;
-	case 4: UNW_DEC_REG_GR(P3, UNW_REG_UNAT, dst, arg); break;
-	case 5: UNW_DEC_REG_GR(P3, UNW_REG_LC, dst, arg); break;
-	case 6: UNW_DEC_RP_BR(P3, dst, arg); break;
-	case 7: UNW_DEC_REG_GR(P3, UNW_REG_RNAT, dst, arg); break;
-	case 8: UNW_DEC_REG_GR(P3, UNW_REG_BSP, dst, arg); break;
-	case 9: UNW_DEC_REG_GR(P3, UNW_REG_BSPSTORE, dst, arg); break;
-	case 10: UNW_DEC_REG_GR(P3, UNW_REG_FPSR, dst, arg); break;
-	case 11: UNW_DEC_PRIUNAT_GR(P3, dst, arg); break;
-	default: UNW_DEC_BAD_CODE(r); break;
-	}
-    }
-  else if ((code & 0x7) == 0)
-    UNW_DEC_SPILL_MASK(P4, dp, arg);
-  else if ((code & 0x7) == 1)
-    {
-      unw_word grmask, frmask, byte1, byte2, byte3;
-
-      byte1 = *dp++; byte2 = *dp++; byte3 = *dp++;
-      grmask = ((byte1 >> 4) & 0xf);
-      frmask = ((byte1 & 0xf) << 16) | (byte2 << 8) | byte3;
-      UNW_DEC_FRGR_MEM(P5, grmask, frmask, arg);
-    }
-  else
-    UNW_DEC_BAD_CODE(code);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_p6 (unsigned char *dp, unsigned char code, void *arg)
-{
-  int gregs = (code & 0x10) != 0;
-  unsigned char mask = (code & 0x0f);
-
-  if (gregs)
-    UNW_DEC_GR_MEM(P6, mask, arg);
-  else
-    UNW_DEC_FR_MEM(P6, mask, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_p7_p10 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unsigned char r, byte1, byte2;
-  unw_word t, size;
-
-  if ((code & 0x10) == 0)
-    {
-      r = (code & 0xf);
-      t = unw_decode_uleb128 (&dp);
-      switch (r)
-	{
-	case 0:
-	  size = unw_decode_uleb128 (&dp);
-	  UNW_DEC_MEM_STACK_F(P7, t, size, arg);
-	  break;
-
-	case 1: UNW_DEC_MEM_STACK_V(P7, t, arg); break;
-	case 2: UNW_DEC_SPILL_BASE(P7, t, arg); break;
-	case 3: UNW_DEC_REG_SPREL(P7, UNW_REG_PSP, t, arg); break;
-	case 4: UNW_DEC_REG_WHEN(P7, UNW_REG_RP, t, arg); break;
-	case 5: UNW_DEC_REG_PSPREL(P7, UNW_REG_RP, t, arg); break;
-	case 6: UNW_DEC_REG_WHEN(P7, UNW_REG_PFS, t, arg); break;
-	case 7: UNW_DEC_REG_PSPREL(P7, UNW_REG_PFS, t, arg); break;
-	case 8: UNW_DEC_REG_WHEN(P7, UNW_REG_PR, t, arg); break;
-	case 9: UNW_DEC_REG_PSPREL(P7, UNW_REG_PR, t, arg); break;
-	case 10: UNW_DEC_REG_WHEN(P7, UNW_REG_LC, t, arg); break;
-	case 11: UNW_DEC_REG_PSPREL(P7, UNW_REG_LC, t, arg); break;
-	case 12: UNW_DEC_REG_WHEN(P7, UNW_REG_UNAT, t, arg); break;
-	case 13: UNW_DEC_REG_PSPREL(P7, UNW_REG_UNAT, t, arg); break;
-	case 14: UNW_DEC_REG_WHEN(P7, UNW_REG_FPSR, t, arg); break;
-	case 15: UNW_DEC_REG_PSPREL(P7, UNW_REG_FPSR, t, arg); break;
-	default: UNW_DEC_BAD_CODE(r); break;
-	}
-    }
-  else
-    {
-      switch (code & 0xf)
-	{
-	case 0x0: /* p8 */
-	  {
-	    r = *dp++;
-	    t = unw_decode_uleb128 (&dp);
-	    switch (r)
-	      {
-	      case  1: UNW_DEC_REG_SPREL(P8, UNW_REG_RP, t, arg); break;
-	      case  2: UNW_DEC_REG_SPREL(P8, UNW_REG_PFS, t, arg); break;
-	      case  3: UNW_DEC_REG_SPREL(P8, UNW_REG_PR, t, arg); break;
-	      case  4: UNW_DEC_REG_SPREL(P8, UNW_REG_LC, t, arg); break;
-	      case  5: UNW_DEC_REG_SPREL(P8, UNW_REG_UNAT, t, arg); break;
-	      case  6: UNW_DEC_REG_SPREL(P8, UNW_REG_FPSR, t, arg); break;
-	      case  7: UNW_DEC_REG_WHEN(P8, UNW_REG_BSP, t, arg); break;
-	      case  8: UNW_DEC_REG_PSPREL(P8, UNW_REG_BSP, t, arg); break;
-	      case  9: UNW_DEC_REG_SPREL(P8, UNW_REG_BSP, t, arg); break;
-	      case 10: UNW_DEC_REG_WHEN(P8, UNW_REG_BSPSTORE, t, arg); break;
-	      case 11: UNW_DEC_REG_PSPREL(P8, UNW_REG_BSPSTORE, t, arg); break;
-	      case 12: UNW_DEC_REG_SPREL(P8, UNW_REG_BSPSTORE, t, arg); break;
-	      case 13: UNW_DEC_REG_WHEN(P8, UNW_REG_RNAT, t, arg); break;
-	      case 14: UNW_DEC_REG_PSPREL(P8, UNW_REG_RNAT, t, arg); break;
-	      case 15: UNW_DEC_REG_SPREL(P8, UNW_REG_RNAT, t, arg); break;
-	      case 16: UNW_DEC_PRIUNAT_WHEN_GR(P8, t, arg); break;
-	      case 17: UNW_DEC_PRIUNAT_PSPREL(P8, t, arg); break;
-	      case 18: UNW_DEC_PRIUNAT_SPREL(P8, t, arg); break;
-	      case 19: UNW_DEC_PRIUNAT_WHEN_MEM(P8, t, arg); break;
-	      default: UNW_DEC_BAD_CODE(r); break;
-	    }
-	  }
-	  break;
-
-	case 0x1:
-	  byte1 = *dp++; byte2 = *dp++;
-	  UNW_DEC_GR_GR(P9, (byte1 & 0xf), (byte2 & 0x7f), arg);
-	  break;
-
-	case 0xf: /* p10 */
-	  byte1 = *dp++; byte2 = *dp++;
-	  UNW_DEC_ABI(P10, byte1, byte2, arg);
-	  break;
-
-	case 0x9:
-	  return unw_decode_x1 (dp, code, arg);
-
-	case 0xa:
-	  return unw_decode_x2 (dp, code, arg);
-
-	case 0xb:
-	  return unw_decode_x3 (dp, code, arg);
-
-	case 0xc:
-	  return unw_decode_x4 (dp, code, arg);
-
-	default:
-	  UNW_DEC_BAD_CODE(code);
-	  break;
-	}
-    }
-  return dp;
-}
-
-static unsigned char *
-unw_decode_b1 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unw_word label = (code & 0x1f);
-
-  if ((code & 0x20) != 0)
-    UNW_DEC_COPY_STATE(B1, label, arg);
-  else
-    UNW_DEC_LABEL_STATE(B1, label, arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_b2 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unw_word t;
-
-  t = unw_decode_uleb128 (&dp);
-  UNW_DEC_EPILOGUE(B2, t, (code & 0x1f), arg);
-  return dp;
-}
-
-static unsigned char *
-unw_decode_b3_x4 (unsigned char *dp, unsigned char code, void *arg)
-{
-  unw_word t, ecount, label;
-
-  if ((code & 0x10) == 0)
-    {
-      t = unw_decode_uleb128 (&dp);
-      ecount = unw_decode_uleb128 (&dp);
-      UNW_DEC_EPILOGUE(B3, t, ecount, arg);
-    }
-  else if ((code & 0x07) == 0)
-    {
-      label = unw_decode_uleb128 (&dp);
-      if ((code & 0x08) != 0)
-	UNW_DEC_COPY_STATE(B4, label, arg);
-      else
-	UNW_DEC_LABEL_STATE(B4, label, arg);
-    }
-  else
-    switch (code & 0x7)
-      {
-      case 1: return unw_decode_x1 (dp, code, arg);
-      case 2: return unw_decode_x2 (dp, code, arg);
-      case 3: return unw_decode_x3 (dp, code, arg);
-      case 4: return unw_decode_x4 (dp, code, arg);
-      default: UNW_DEC_BAD_CODE(code); break;
-      }
-  return dp;
-}
-
-typedef unsigned char *(*unw_decoder) (unsigned char *, unsigned char, void *);
-
-static unw_decoder unw_decode_table[2][8] =
-{
-  /* prologue table: */
-  {
-    unw_decode_r1,	/* 0 */
-    unw_decode_r1,
-    unw_decode_r2,
-    unw_decode_r3,
-    unw_decode_p1,	/* 4 */
-    unw_decode_p2_p5,
-    unw_decode_p6,
-    unw_decode_p7_p10
-  },
-  {
-    unw_decode_r1,	/* 0 */
-    unw_decode_r1,
-    unw_decode_r2,
-    unw_decode_r3,
-    unw_decode_b1,	/* 4 */
-    unw_decode_b1,
-    unw_decode_b2,
-    unw_decode_b3_x4
-  }
-};
-
-/*
- * Decode one descriptor and return address of next descriptor.
- */
-static inline unsigned char *
-unw_decode (unsigned char *dp, int inside_body, void *arg)
-{
-  unw_decoder decoder;
-  unsigned char code;
-
-  code = *dp++;
-  decoder = unw_decode_table[inside_body][code >> 5];
-  dp = (*decoder) (dp, code, arg);
-  return dp;
-}