re PR target/24348 (bootstrap failure building libgcc)

	PR target/24348
	* config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
	when not using sjlj exceptions.
	* config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
	* config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
	* config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
	DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
	* config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
	* config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
	DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
	ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
	* config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
	(FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
	DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
	ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
	defines.
	* config/pa/hpux-unwind.h: New file.

	* testsuite/gcc.dg/cleanup-8.c: Enable test on hppa*-*-hpux*.
	* testsuite/gcc.dg/cleanup-9.c: Likewise.
	* testsuite/gcc.dg/cleanup-10.c: Likewise.
	* testsuite/gcc.dg/cleanup-11.c: Likewise.

From-SVN: r107157

gcc/ChangeLog

+2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR target/24348
+	* config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
+	when not using sjlj exceptions.
+	* config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
+	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
+	* config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
+	* config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
+	DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
+	* config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
+	* config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
+	DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
+	ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
+	* config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
+	(FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
+	DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
+	ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
+	defines.
+	* config/pa/hpux-unwind.h: New file.
+
 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
 
 	* config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.

gcc/config.gcc

@@ -900,6 +900,9 @@ hppa[12]*-*-hpux10*)
 	    tmake_file="${tmake_file} pa/t-dce-thr"
 	    ;;
 	esac
+	if test x$sjlj != x1; then
+	    tmake_file="$tmake_file pa/t-slibgcc-elf-ver"
+	fi
 	use_collect2=yes
 	use_fixproto=yes
 	;;
@@ -932,6 +935,9 @@ hppa*64*-*-hpux11*)
 		       pa/pa-hpux1010.opt pa/pa64-hpux.opt"
 	need_64bit_hwint=yes
 	tmake_file="pa/t-pa64 pa/t-pa-hpux pa/t-hpux-shlib"
+	if test x$sjlj != x1; then
+	    tmake_file="$tmake_file pa/t-slibgcc-elf-ver"
+	fi
 	extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
 	case x${enable_threads} in
 	xyes | xposix )
@@ -955,6 +961,9 @@ hppa[12]*-*-hpux11*)
 		;;
 	esac
 	tmake_file="pa/t-pa pa/t-pa-hpux pa/t-hpux-shlib"
+	if test x$sjlj != x1; then
+	    tmake_file="$tmake_file pa/t-slibgcc-elf-ver"
+	fi
 	case x${enable_threads} in
 	xyes | xposix )
 		thread_file=posix 

gcc/config/pa/hpux-unwind.h

+/* DWARF2 EH unwinding support for PA HP-UX.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file with other programs, and to distribute
+those programs without any restriction coming from the use of this
+file.  (The General Public License restrictions do apply in other
+respects; for example, they cover modification of the file, and
+distribution when not linked into another program.)
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+/* Do code reading to identify a signal frame, and set the frame
+   state data appropriately.  See unwind-dw2.c for the structs.  */
+
+#include <signal.h>
+#include <sys/ucontext.h>
+#include <unistd.h>
+
+/* FIXME: We currently ignore the high halves of general, space and
+   control registers on PA 2.0 machines for applications using the
+   32-bit runtime.  We don't restore space registers or the floating
+   point status registers.  */
+
+#define MD_FALLBACK_FRAME_STATE_FOR pa_fallback_frame_state
+
+/* HP-UX 10.X doesn't define GetSSReg.  */
+#ifndef GetSSReg
+#define GetSSReg(ssp, ss_reg) \
+  ((UseWideRegs (ssp))							\
+   ? (ssp)->ss_wide.ss_32.ss_reg ## _lo					\
+   : (ssp)->ss_narrow.ss_reg)
+#endif
+
+#if TARGET_64BIT
+#define GetSSRegAddr(ssp, ss_reg) ((long) &((ssp)->ss_wide.ss_64.ss_reg))
+#else
+#define GetSSRegAddr(ssp, ss_reg) \
+  ((UseWideRegs (ssp))							\
+   ? (long) &((ssp)->ss_wide.ss_32.ss_reg ## _lo)			\
+   : (long) &((ssp)->ss_narrow.ss_reg))
+#endif
+
+#define UPDATE_FS_FOR_SAR(FS, N) \
+  (FS)->regs.reg[N].how = REG_SAVED_OFFSET;				\
+  (FS)->regs.reg[N].loc.offset = GetSSRegAddr (mc, ss_cr11) - new_cfa
+
+#define UPDATE_FS_FOR_GR(FS, GRN, N) \
+  (FS)->regs.reg[N].how = REG_SAVED_OFFSET;				\
+  (FS)->regs.reg[N].loc.offset = GetSSRegAddr (mc, ss_gr##GRN) - new_cfa
+
+#define UPDATE_FS_FOR_FR(FS, FRN, N) \
+  (FS)->regs.reg[N].how = REG_SAVED_OFFSET;				\
+  (FS)->regs.reg[N].loc.offset = (long) &(mc->ss_fr##FRN) - new_cfa;
+
+#define UPDATE_FS_FOR_PC(FS, N) \
+  (FS)->regs.reg[N].how = REG_SAVED_OFFSET;				\
+  (FS)->regs.reg[N].loc.offset = GetSSRegAddr (mc, ss_pcoq_head) - new_cfa
+
+/* Extract bit field from word using HP's numbering (MSB = 0).  */
+#define GET_FIELD(X, FROM, TO) \
+  ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
+
+static inline int
+sign_extend (int x, int len)
+{
+  int signbit = (1 << (len - 1));
+  int mask = (signbit << 1) - 1;
+  return ((x & mask) ^ signbit) - signbit;
+}
+
+/* Extract a 17-bit signed constant from branch instructions.  */
+static inline int
+extract_17 (unsigned word)
+{
+  return sign_extend (GET_FIELD (word, 19, 28)
+		      | GET_FIELD (word, 29, 29) << 10
+		      | GET_FIELD (word, 11, 15) << 11
+		      | (word & 0x1) << 16, 17);
+}
+
+/* Extract a 22-bit signed constant from branch instructions.  */
+static inline int
+extract_22 (unsigned word)
+{
+  return sign_extend (GET_FIELD (word, 19, 28)
+		      | GET_FIELD (word, 29, 29) << 10
+		      | GET_FIELD (word, 11, 15) << 11
+		      | GET_FIELD (word, 6, 10) << 16
+		      | (word & 0x1) << 21, 22);
+}
+
+static _Unwind_Reason_Code
+pa_fallback_frame_state (struct _Unwind_Context *context,
+			 _Unwind_FrameState *fs)
+{
+  static long cpu;
+  unsigned int *pc = (unsigned int *) context->ra;
+
+  if (pc == 0)
+    return _URC_END_OF_STACK;
+
+  /* Check if the return address points to an export stub (PA 1.1 or 2.0).  */
+  if ((!TARGET_64BIT
+       && *(pc + 0) == 0x4bc23fd1		/* ldw -18(sp),rp */
+       && *(pc + 1) == 0x004010a1		/* ldsid (rp),r1 */
+       && *(pc + 2) == 0x00011820		/* mtsp r1,sr0 */
+       && *(pc + 3) == 0xe0400002)		/* be,n 0(sr0,rp) */
+      ||
+      (!TARGET_64BIT
+       && *(pc + 0) == 0x4bc23fd1		/* ldw -18(sp),rp */
+       && *(pc + 1) == 0xe840d002))		/* bve,n (rp) */
+    {
+      fs->cfa_how    = CFA_REG_OFFSET;
+      fs->cfa_reg    = 30;
+      fs->cfa_offset = 0;
+
+      fs->retaddr_column = 0;
+      fs->regs.reg[0].how = REG_SAVED_OFFSET;
+      fs->regs.reg[0].loc.offset = -24;
+
+      return _URC_NO_REASON;
+    }
+
+  /* Check if the return address is an export stub as signal handlers
+     may return via an export stub.  */
+  if (!TARGET_64BIT
+      && (*pc & 0xffe0e002) == 0xe8400000	/* bl x,r2 */
+      && *(pc + 1) == 0x08000240		/* nop */
+      && *(pc + 2) == 0x4bc23fd1		/* ldw -18(sp),rp */
+      && *(pc + 3) == 0x004010a1		/* ldsid (rp),r1 */
+      && *(pc + 4) == 0x00011820		/* mtsp r1,sr0 */
+      && *(pc + 5) == 0xe0400002)		/* be,n 0(sr0,rp) */
+    /* Extract target address from PA 1.x 17-bit branch.  */
+    pc += extract_17 (*pc) + 2;
+  else if (!TARGET_64BIT
+	   && (*pc & 0xfc00e002) == 0xe800a000	/* b,l x,r2 */
+	   && *(pc + 1) == 0x08000240		/* nop */
+	   && *(pc + 2) == 0x4bc23fd1		/* ldw -18(sp),rp */
+	   && *(pc + 3) == 0xe840d002)		/* bve,n (rp) */
+    /* Extract target address from PA 2.0 22-bit branch.  */
+    pc += extract_22 (*pc) + 2;
+
+  /* Now check if the return address is one of the signal handler
+     returns, _sigreturn or _sigsetreturn.  */
+  if ((TARGET_64BIT
+       && *(pc + 0)  == 0x53db3f51		/* ldd -58(sp),dp */
+       && *(pc + 8)  == 0x34160116		/* ldi 8b,r22 */
+       && *(pc + 9)  == 0x08360ac1		/* shladd,l r22,3,r1,r1 */
+       && *(pc + 10) == 0x0c2010c1		/* ldd 0(r1),r1 */
+       && *(pc + 11) == 0xe4202000)		/* be,l 0(sr4,r1) */
+      ||
+      (TARGET_64BIT
+       && *(pc + 0)  == 0x36dc0000		/* ldo 0(r22),ret0 */
+       && *(pc + 6)  == 0x341601c0		/* ldi e0,r22 */
+       && *(pc + 7)  == 0x08360ac1		/* shladd,l r22,3,r1,r1 */
+       && *(pc + 8)  == 0x0c2010c1		/* ldd 0(r1),r1 */
+       && *(pc + 9)  == 0xe4202000)		/* be,l 0(sr4,r1) */
+      ||
+      (!TARGET_64BIT
+       && *(pc + 0)  == 0x379a0000		/* ldo 0(ret0),r26 */
+       && *(pc + 1)  == 0x6bd33fc9		/* stw r19,-1c(sp) */
+       && *(pc + 2)  == 0x20200801		/* ldil L%-40000000,r1 */
+       && *(pc + 3)  == 0xe420e008		/* be,l 4(sr7,r1) */
+       && *(pc + 4)  == 0x34160116)		/* ldi 8b,r22 */
+      ||
+      (!TARGET_64BIT
+       && *(pc + 0)  == 0x6bd33fc9		/* stw r19,-1c(sp) */
+       && *(pc + 1)  == 0x20200801		/* ldil L%-40000000,r1 */
+       && *(pc + 2)  == 0xe420e008		/* be,l 4(sr7,r1) */
+       && *(pc + 3)  == 0x341601c0))		/* ldi e0,r22 */
+    {
+      /* The previous stack pointer is saved at (long *)SP - 1.  The
+	 ucontext structure is offset from the start of the previous
+	 frame by the siglocal_misc structure.  */
+      struct siglocalx *sl = (struct siglocalx *)
+	(*((long *) context->cfa - 1));
+      mcontext_t *mc = &(sl->sl_uc.uc_mcontext);
+
+      long new_cfa = GetSSReg (mc, ss_sp);
+
+      fs->cfa_how = CFA_REG_OFFSET;
+      fs->cfa_reg = 30;
+      fs->cfa_offset = new_cfa - (long) context->cfa;
+
+      UPDATE_FS_FOR_GR (fs, 1, 1);
+      UPDATE_FS_FOR_GR (fs, 2, 2);
+      UPDATE_FS_FOR_GR (fs, 3, 3);
+      UPDATE_FS_FOR_GR (fs, 4, 4);
+      UPDATE_FS_FOR_GR (fs, 5, 5);
+      UPDATE_FS_FOR_GR (fs, 6, 6);
+      UPDATE_FS_FOR_GR (fs, 7, 7);
+      UPDATE_FS_FOR_GR (fs, 8, 8);
+      UPDATE_FS_FOR_GR (fs, 9, 9);
+      UPDATE_FS_FOR_GR (fs, 10, 10);
+      UPDATE_FS_FOR_GR (fs, 11, 11);
+      UPDATE_FS_FOR_GR (fs, 12, 12);
+      UPDATE_FS_FOR_GR (fs, 13, 13);
+      UPDATE_FS_FOR_GR (fs, 14, 14);
+      UPDATE_FS_FOR_GR (fs, 15, 15);
+      UPDATE_FS_FOR_GR (fs, 16, 16);
+      UPDATE_FS_FOR_GR (fs, 17, 17);
+      UPDATE_FS_FOR_GR (fs, 18, 18);
+      UPDATE_FS_FOR_GR (fs, 19, 19);
+      UPDATE_FS_FOR_GR (fs, 20, 20);
+      UPDATE_FS_FOR_GR (fs, 21, 21);
+      UPDATE_FS_FOR_GR (fs, 22, 22);
+      UPDATE_FS_FOR_GR (fs, 23, 23);
+      UPDATE_FS_FOR_GR (fs, 24, 24);
+      UPDATE_FS_FOR_GR (fs, 25, 25);
+      UPDATE_FS_FOR_GR (fs, 26, 26);
+      UPDATE_FS_FOR_GR (fs, 27, 27);
+      UPDATE_FS_FOR_GR (fs, 28, 28);
+      UPDATE_FS_FOR_GR (fs, 29, 29);
+      UPDATE_FS_FOR_GR (fs, 30, 30);
+      UPDATE_FS_FOR_GR (fs, 31, 31);
+
+      if (TARGET_64BIT)
+	{
+	  UPDATE_FS_FOR_FR (fs, 4, 32);
+	  UPDATE_FS_FOR_FR (fs, 5, 33);
+	  UPDATE_FS_FOR_FR (fs, 6, 34);
+	  UPDATE_FS_FOR_FR (fs, 7, 35);
+	  UPDATE_FS_FOR_FR (fs, 8, 36);
+	  UPDATE_FS_FOR_FR (fs, 9, 37);
+	  UPDATE_FS_FOR_FR (fs, 10, 38);
+	  UPDATE_FS_FOR_FR (fs, 11, 39);
+	  UPDATE_FS_FOR_FR (fs, 12, 40);
+	  UPDATE_FS_FOR_FR (fs, 13, 41);
+	  UPDATE_FS_FOR_FR (fs, 14, 42);
+	  UPDATE_FS_FOR_FR (fs, 15, 43);
+	  UPDATE_FS_FOR_FR (fs, 16, 44);
+	  UPDATE_FS_FOR_FR (fs, 17, 45);
+	  UPDATE_FS_FOR_FR (fs, 18, 46);
+	  UPDATE_FS_FOR_FR (fs, 19, 47);
+	  UPDATE_FS_FOR_FR (fs, 20, 48);
+	  UPDATE_FS_FOR_FR (fs, 21, 49);
+	  UPDATE_FS_FOR_FR (fs, 22, 50);
+	  UPDATE_FS_FOR_FR (fs, 23, 51);
+	  UPDATE_FS_FOR_FR (fs, 24, 52);
+	  UPDATE_FS_FOR_FR (fs, 25, 53);
+	  UPDATE_FS_FOR_FR (fs, 26, 54);
+	  UPDATE_FS_FOR_FR (fs, 27, 55);
+	  UPDATE_FS_FOR_FR (fs, 28, 56);
+	  UPDATE_FS_FOR_FR (fs, 29, 57);
+	  UPDATE_FS_FOR_FR (fs, 30, 58);
+	  UPDATE_FS_FOR_FR (fs, 31, 59);
+
+	  UPDATE_FS_FOR_SAR (fs, 60);
+	}
+      else
+	{
+	  UPDATE_FS_FOR_FR (fs, 4, 32);
+	  UPDATE_FS_FOR_FR (fs, 5, 34);
+	  UPDATE_FS_FOR_FR (fs, 6, 36);
+	  UPDATE_FS_FOR_FR (fs, 7, 38);
+	  UPDATE_FS_FOR_FR (fs, 8, 40);
+	  UPDATE_FS_FOR_FR (fs, 9, 44);
+	  UPDATE_FS_FOR_FR (fs, 10, 44);
+	  UPDATE_FS_FOR_FR (fs, 11, 46);
+	  UPDATE_FS_FOR_FR (fs, 12, 48);
+	  UPDATE_FS_FOR_FR (fs, 13, 50);
+	  UPDATE_FS_FOR_FR (fs, 14, 52);
+	  UPDATE_FS_FOR_FR (fs, 15, 54);
+
+	  if (!cpu)
+	    cpu = sysconf (_SC_CPU_VERSION);
+
+	  /* PA-RISC 1.0 only has 16 floating point registers.  */
+	  if (cpu != CPU_PA_RISC1_0)
+	    {
+	      UPDATE_FS_FOR_FR (fs, 16, 56);
+	      UPDATE_FS_FOR_FR (fs, 17, 58);
+	      UPDATE_FS_FOR_FR (fs, 18, 60);
+	      UPDATE_FS_FOR_FR (fs, 19, 62);
+	      UPDATE_FS_FOR_FR (fs, 20, 64);
+	      UPDATE_FS_FOR_FR (fs, 21, 66);
+	      UPDATE_FS_FOR_FR (fs, 22, 68);
+	      UPDATE_FS_FOR_FR (fs, 23, 70);
+	      UPDATE_FS_FOR_FR (fs, 24, 72);
+	      UPDATE_FS_FOR_FR (fs, 25, 74);
+	      UPDATE_FS_FOR_FR (fs, 26, 76);
+	      UPDATE_FS_FOR_FR (fs, 27, 78);
+	      UPDATE_FS_FOR_FR (fs, 28, 80);
+	      UPDATE_FS_FOR_FR (fs, 29, 82);
+	      UPDATE_FS_FOR_FR (fs, 30, 84);
+	      UPDATE_FS_FOR_FR (fs, 31, 86);
+	    }
+
+	  UPDATE_FS_FOR_SAR (fs, 88);
+	}
+
+      fs->retaddr_column = DWARF_ALT_FRAME_RETURN_COLUMN;
+      UPDATE_FS_FOR_PC (fs, DWARF_ALT_FRAME_RETURN_COLUMN);
+
+      return _URC_NO_REASON;
+    }
+
+  return _URC_END_OF_STACK;
+}

gcc/config/pa/linux-unwind.h

@@ -131,8 +131,9 @@ pa32_fallback_frame_state (struct _Unwind_Context *context,
     }
   fs->regs.reg[88].how = REG_SAVED_OFFSET;
   fs->regs.reg[88].loc.offset = (long) &sc->sc_sar - new_cfa;
-  fs->regs.reg[0].how = REG_SAVED_OFFSET;
-  fs->regs.reg[0].loc.offset = (long) &sc->sc_iaoq[0] - new_cfa;
-  fs->retaddr_column = 0;
+  fs->regs.reg[DWARF_ALT_FRAME_RETURN_COLUMN].how = REG_SAVED_OFFSET;
+  fs->regs.reg[DWARF_ALT_FRAME_RETURN_COLUMN].loc.offset
+    = (long) &sc->sc_iaoq[0] - new_cfa;
+  fs->retaddr_column = DWARF_ALT_FRAME_RETURN_COLUMN;
   return _URC_NO_REASON;
 }

gcc/config/pa/pa-hpux.h

@@ -124,3 +124,5 @@ Boston, MA 02110-1301, USA.  */
 /* Define this so we can compile MS code for use with WINE.  */
 #undef HANDLE_PRAGMA_PACK_PUSH_POP
 #define HANDLE_PRAGMA_PACK_PUSH_POP
+
+#define MD_UNWIND_SUPPORT "config/pa/hpux-unwind.h"

gcc/config/pa/pa-hpux11.h

@@ -134,7 +134,7 @@ Boston, MA 02110-1301, USA.  */
 #define LIB_SPEC \
   "%{!shared:\
      %{mt|pthread:-lpthread} -lc \
-     %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}"
+     %{static:%{!nolibdld:-a shared -ldld -a archive -lpthread -lc}}}"
 
 #undef STARTFILE_SPEC
 #define STARTFILE_SPEC \

gcc/config/pa/pa-linux.h

@@ -19,39 +19,6 @@ the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 Boston, MA 02110-1301, USA.  */
 
 
-/* A C expression whose value is RTL representing the location of the
-   incoming return address at the beginning of any function, before the
-   prologue.  You only need to define this macro if you want to support
-   call frame debugging information like that provided by DWARF 2.  */
-#define INCOMING_RETURN_ADDR_RTX (gen_rtx_REG (word_mode, 2))
-#define DWARF_FRAME_RETURN_COLUMN (DWARF_FRAME_REGNUM (2))
-
-/* This macro chooses the encoding of pointers embedded in the exception
-   handling sections.  If at all possible, this should be defined such
-   that the exception handling section will not require dynamic relocations,
-   and so may be read-only.
-
-   FIXME: We use DW_EH_PE_aligned to output a PLABEL constructor for
-   global function pointers.  */
-#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)			\
-  (CODE == 2 && GLOBAL ? DW_EH_PE_aligned : DW_EH_PE_absptr)
-
-/* Handle special EH pointer encodings.  Absolute, pc-relative, and
-   indirect are handled automatically.  Since pc-relative encoding is
-   not possible on the PA and we don't have the infrastructure for
-   data relative encoding, we use aligned plabels for global function
-   pointers.  */
-#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
-  do {									\
-    if (((ENCODING) & 0x0F) == DW_EH_PE_aligned)			\
-      {									\
-	fputs (integer_asm_op (SIZE, FALSE), FILE);			\
-	fputs ("P%", FILE);						\
-	assemble_name (FILE, XSTR (ADDR, 0));				\
-	goto DONE;							\
-      }									\
-    } while (0)
-
 #undef TARGET_OS_CPP_BUILTINS
 #define TARGET_OS_CPP_BUILTINS()		\
   do						\

gcc/config/pa/pa.h

@@ -404,12 +404,72 @@ extern struct rtx_def *hppa_pic_save_rtx (void);
   gen_rtx_MEM (word_mode,						\
 	       gen_rtx_PLUS (word_mode, frame_pointer_rtx,		\
 			     TARGET_64BIT ? GEN_INT (-16) : GEN_INT (-20)))
-			  	
 
-/* Offset from the argument pointer register value to the top of
-   stack.  This is different from FIRST_PARM_OFFSET because of the
-   frame marker.  */
-#define ARG_POINTER_CFA_OFFSET(FNDECL) 0
+/* Offset from the frame pointer register value to the top of stack.  */
+#define FRAME_POINTER_CFA_OFFSET(FNDECL) 0
+
+/* A C expression whose value is RTL representing the location of the
+   incoming return address at the beginning of any function, before the
+   prologue.  You only need to define this macro if you want to support
+   call frame debugging information like that provided by DWARF 2.  */
+#define INCOMING_RETURN_ADDR_RTX (gen_rtx_REG (word_mode, 2))
+#define DWARF_FRAME_RETURN_COLUMN (DWARF_FRAME_REGNUM (2))
+
+/* A C expression whose value is an integer giving a DWARF 2 column
+   number that may be used as an alternate return column.  This should
+   be defined only if DWARF_FRAME_RETURN_COLUMN is set to a general
+   register, but an alternate column needs to be used for signal frames.
+
+   Column 0 is not used but unfortunately its register size is set to
+   4 bytes (sizeof CCmode) so it can't be used on 64-bit targets.  */
+#define DWARF_ALT_FRAME_RETURN_COLUMN FIRST_PSEUDO_REGISTER
+
+/* This macro chooses the encoding of pointers embedded in the exception
+   handling sections.  If at all possible, this should be defined such
+   that the exception handling section will not require dynamic relocations,
+   and so may be read-only.
+
+   Because the HP assembler auto aligns, it is necessary to use
+   DW_EH_PE_aligned.  It's not possible to make the data read-only
+   on the HP-UX SOM port since the linker requires fixups for label
+   differences in different sections to be word aligned.  However,
+   the SOM linker can do unaligned fixups for absolute pointers.
+   We also need aligned pointers for global and function pointers.
+
+   Although the HP-UX 64-bit ELF linker can handle unaligned pc-relative
+   fixups, the runtime doesn't have a consistent relationship between
+   text and data for dynamically loaded objects.  Thus, it's not possible
+   to use pc-relative encoding for pointers on this target.  It may be
+   possible to use segment relative encodings but GAS doesn't currently
+   have a mechanism to generate these encodings.  For other targets, we
+   use pc-relative encoding for pointers.  If the pointer might require
+   dynamic relocation, we make it indirect.  */
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)			\
+  (TARGET_GAS && !TARGET_HPUX						\
+   ? (DW_EH_PE_pcrel							\
+      | ((GLOBAL) || (CODE) == 2 ? DW_EH_PE_indirect : 0)		\
+      | (TARGET_64BIT ? DW_EH_PE_sdata8 : DW_EH_PE_sdata4))		\
+   : (!TARGET_GAS || (GLOBAL) || (CODE) == 2				\
+      ? DW_EH_PE_aligned : DW_EH_PE_absptr))
+
+/* Handle special EH pointer encodings.  Absolute, pc-relative, and
+   indirect are handled automatically.  We output pc-relative, and
+   indirect pc-relative ourself since we need some special magic to
+   generate pc-relative relocations, and to handle indirect function
+   pointers.  */
+#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
+  do {									\
+    if (((ENCODING) & 0x70) == DW_EH_PE_pcrel)				\
+      {									\
+	fputs (integer_asm_op (SIZE, FALSE), FILE);			\
+	if ((ENCODING) & DW_EH_PE_indirect)				\
+	  output_addr_const (FILE, get_deferred_plabel (ADDR));		\
+	else								\
+	  assemble_name (FILE, XSTR ((ADDR), 0));			\
+	fputs ("+8-$PIC_pcrel$0", FILE);				\
+	goto DONE;							\
+      }									\
+    } while (0)
 
 /* The letters I, J, K, L and M in a register constraint string
    can be used to stand for particular ranges of immediate operands.

gcc/config/pa/pa64-hpux.h

@@ -56,23 +56,25 @@ Boston, MA 02110-1301, USA.  */
 #if ((TARGET_DEFAULT | TARGET_CPU_DEFAULT) & MASK_GNU_LD)
 #define LIB_SPEC \
   "%{!shared:\
-     %{!p:%{!pg: -lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
+     %{!p:%{!pg: %{static:-lpthread} -lc\
+	    %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
      %{p:%{!pg:%{static:%{!mhp-ld:-a shared}%{mhp-ld:-a archive_shared}}\
-	   -lprof %{static:-a archive} -lc\
+	   -lprof %{static:-a archive -lpthread} -lc\
 	   %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
      %{pg:%{static:%{!mhp-ld:-a shared}%{mhp-ld:-a archive_shared}}\
-       -lgprof %{static:-a archive} -lc\
+       -lgprof %{static:-a archive -lpthread} -lc\
        %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
    /usr/lib/pa20_64/milli.a"
 #else
 #define LIB_SPEC \
   "%{!shared:\
-     %{!p:%{!pg: -lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
+     %{!p:%{!pg: %{static:-lpthread} -lc\
+	    %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
      %{p:%{!pg:%{static:%{mgnu-ld:-a shared}%{!mgnu-ld:-a archive_shared}}\
-	   -lprof %{static:-a archive} -lc\
+	   -lprof %{static:-a archive -lpthread} -lc\
 	   %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
      %{pg:%{static:%{mgnu-ld:-a shared}%{!mgnu-ld:-a archive_shared}}\
-       -lgprof %{static:-a archive} -lc\
+       -lgprof %{static:-a archive -lpthread} -lc\
        %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
    /usr/lib/pa20_64/milli.a"
 #endif

gcc/config/pa/som.h

@@ -34,15 +34,6 @@ Boston, MA 02110-1301, USA.  */
 
 #define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END
 
-/* Select a format to encode pointers in exception handling data.  CODE
-   is 0 for data, 1 for code labels, 2 for function pointers.  GLOBAL is
-   true if the symbol may be affected by dynamic relocations.  Because
-   the HP assembler does auto alignment, it is necessary to use
-   DW_EH_PE_aligned instead of the default DW_EH_PE_absptr.  */
-
-#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
-  (TARGET_GAS ? DW_EH_PE_absptr : DW_EH_PE_aligned)
-
 /* HPUX has a program 'chatr' to list the dependencies of dynamically
    linked executables and shared libraries.  */
 #define LDD_SUFFIX "chatr"

gcc/testsuite/ChangeLog

+2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	* gcc.dg/cleanup-8.c: Enable test on hppa*-*-hpux*.
+	* gcc.dg/cleanup-9.c: Likewise.
+	* gcc.dg/cleanup-10.c: Likewise.
+	* gcc.dg/cleanup-11.c: Likewise.
+
 2005-11-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 
 	PR fortran/24892

gcc/testsuite/gcc.dg/cleanup-10.c

-/* { dg-do run { target *-*-linux* powerpc*-*-darwin* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through signal frames
    on alternate stack.  */

gcc/testsuite/gcc.dg/cleanup-11.c

-/* { dg-do run { target *-*-linux* powerpc*-*-darwin* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through realtime signal
    frames on alternate stack.  */

gcc/testsuite/gcc.dg/cleanup-8.c

-/* { dg-do run { target *-*-linux* powerpc*-*-darwin* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through signal
    frames.  */

gcc/testsuite/gcc.dg/cleanup-9.c

-/* { dg-do run { target *-*-linux* powerpc*-*-darwin* } } */
+/* { dg-do run { target hppa*-*-hpux* *-*-linux* powerpc*-*-darwin* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
 /* Verify that cleanups work with exception handling through realtime
    signal frames.  */