bfd/

* config.bfd: Include 64-bit support for i[3-7]86-*-solaris2*.
	* elf64-x86-64.c (elf64_x86_64_section_from_shdr): New function.
	(elf_backend_section_from_shdr): Define.
binutils/
	* readelf.c (get_x86_64_section_type_name): New function.
	(get_section_type_name): Use it.
gas/
	* config/tc-i386.c: Include "elf/x86-64.h".
	(i386_elf_section_type): New function.
	* config/tc-i386.h (md_elf_section_type): Define.
	(i386_elf_section_type): New prototype.
gas/testsuite/
	* gas/i386/i386.exp: Don't run divide test for targets where '/'
	is a comment.  Run x86-64-unwind for 64-bit ELF targets.
	* gas/i386/x86-64-unwind.d, gas/i386/x86-64-unwind.s: New.
include/
	* elf/common.h (PT_SUNW_EH_FRAME): Define.
	* elf/x86-64.h (SHT_X86_64_UNWIND): Define.
ld/
	* configure.tgt: Include elf_x86_64 for i[3-7]86-*-solaris2*.

bfd/ChangeLog

@@ -1,3 +1,9 @@
+2004-10-08  Daniel Jacobowitz  <dan@debian.org>
+
+	* config.bfd: Include 64-bit support for i[3-7]86-*-solaris2*.
+	* elf64-x86-64.c (elf64_x86_64_section_from_shdr): New function.
+	(elf_backend_section_from_shdr): Define.
+
 2004-10-08  Alan Modra  <amodra@bigpond.net.au>
 
 	* syms.c (bfd_is_local_label): Return false for file symbols.

bfd/config.bfd

@@ -424,12 +424,18 @@ case "${targ}" in
     targ_defvec=i386coff_vec
     targ_selvecs=bfd_elf32_i386_vec
     ;;
-  i[3-7]86-*-sysv4* | i[3-7]86-*-unixware* | i[3-7]86-*-solaris2* | \
+  i[3-7]86-*-sysv4* | i[3-7]86-*-unixware* | \
   i[3-7]86-*-elf | i[3-7]86-*-sco3.2v5* | \
   i[3-7]86-*-dgux* | i[3-7]86-*-sysv5*)
     targ_defvec=bfd_elf32_i386_vec
     targ_selvecs=i386coff_vec
     ;;
+  i[3-7]86-*-solaris2*)
+    targ_defvec=bfd_elf32_i386_vec
+    targ_selvecs=i386coff_vec
+    targ64_selvecs=bfd_elf64_x86_64_vec
+    want64=true
+    ;;
   i[3-7]86-*-kaos*)
     targ_defvec=bfd_elf32_i386_vec
     targ_selvecs=bfd_elf32_i386_vec

bfd/elf64-x86-64.c

@@ -2782,6 +2782,21 @@ elf64_x86_64_plt_sym_val (bfd_vma i, const asection *plt,
   return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
 }
 
+/* Handle an x86-64 specific section when reading an object file.  This
+   is called when elfcode.h finds a section with an unknown type.  */
+
+static bfd_boolean
+elf64_x86_64_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)
+{
+  if (hdr->sh_type != SHT_X86_64_UNWIND)
+    return FALSE;
+
+  if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
+    return FALSE;
+
+  return TRUE;
+}
+
 #define TARGET_LITTLE_SYM		    bfd_elf64_x86_64_vec
 #define TARGET_LITTLE_NAME		    "elf64-x86-64"
 #define ELF_ARCH			    bfd_arch_i386
@@ -2819,4 +2834,7 @@ elf64_x86_64_plt_sym_val (bfd_vma i, const asection *plt,
 #define elf_backend_object_p		    elf64_x86_64_elf_object_p
 #define bfd_elf64_mkobject		    elf64_x86_64_mkobject
 
+#define elf_backend_section_from_shdr \
+	elf64_x86_64_section_from_shdr
+
 #include "elf64-target.h"

binutils/ChangeLog

@@ -1,3 +1,8 @@
+2004-10-08  Daniel Jacobowitz  <dan@debian.org>
+
+	* readelf.c (get_x86_64_section_type_name): New function.
+	(get_section_type_name): Use it.
+
 2004-10-08  Aaron W. LaFramboise  <aaron98wiridge9@aaronwl.com>
 
 	* dlltool.c (make_one_lib_file): Revert 2004-09-02 and 2004-09-04

binutils/readelf.c

@@ -2404,6 +2404,18 @@ get_ia64_section_type_name (unsigned int sh_type)
   return NULL;
 }
 
+static const char *
+get_x86_64_section_type_name (unsigned int sh_type)
+{
+  switch (sh_type)
+    {
+    case SHT_X86_64_UNWIND:	return "X86_64_UNWIND";
+    default:
+      break;
+    }
+  return NULL;
+}
+
 static const char *
 get_arm_section_type_name (unsigned int sh_type)
 {
@@ -2467,6 +2479,9 @@ get_section_type_name (unsigned int sh_type)
 	    case EM_IA_64:
 	      result = get_ia64_section_type_name (sh_type);
 	      break;
+	    case EM_X86_64:
+	      result = get_x86_64_section_type_name (sh_type);
+	      break;
 	    case EM_ARM:
 	      result = get_arm_section_type_name (sh_type);
 	      break;

gas/ChangeLog

@@ -1,3 +1,10 @@
+2004-10-08  Daniel Jacobowitz  <dan@debian.org>
+
+	* config/tc-i386.c: Include "elf/x86-64.h".
+	(i386_elf_section_type): New function.
+	* config/tc-i386.h (md_elf_section_type): Define.
+	(i386_elf_section_type): New prototype.
+
 2004-10-08  Linus Nielsen Feltzing  <linus@haxx.se>
 
 	* config/m68k-parse.h (enum m68k_register): New control register,

gas/config/tc-i386.c

@@ -33,6 +33,7 @@
 #include "dwarf2dbg.h"
 #include "dw2gencfi.h"
 #include "opcode/i386.h"
+#include "elf/x86-64.h"
 
 #ifndef REGISTER_WARNINGS
 #define REGISTER_WARNINGS 1
@@ -6348,3 +6349,14 @@ tc_x86_frame_initial_instructions (void)
   cfi_add_CFA_def_cfa (sp_regno, -x86_cie_data_alignment);
   cfi_add_CFA_offset (x86_dwarf2_return_column, x86_cie_data_alignment);
 }
+
+int
+i386_elf_section_type (const char *str, size_t len)
+{
+  if (flag_code == CODE_64BIT
+      && len == sizeof ("unwind") - 1
+      && strncmp (str, "unwind", 6) == 0)
+    return SHT_X86_64_UNWIND;
+
+  return -1;
+}

gas/config/tc-i386.h

@@ -502,4 +502,7 @@ extern int tc_x86_regname_to_dw2regnum PARAMS ((const char *regname));
 #define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions
 extern void tc_x86_frame_initial_instructions PARAMS ((void));
 
+#define md_elf_section_type(str,len) i386_elf_section_type (str, len)
+extern int i386_elf_section_type PARAMS ((const char *, size_t len));
+
 #endif /* TC_I386 */

gas/testsuite/ChangeLog

@@ -1,3 +1,9 @@
+2004-10-08  Daniel Jacobowitz  <dan@debian.org>
+
+	* gas/i386/i386.exp: Don't run divide test for targets where '/'
+	is a comment.  Run x86-64-unwind for 64-bit ELF targets.
+	* gas/i386/x86-64-unwind.d, gas/i386/x86-64-unwind.s: New.
+
 2004-10-08  Alan Modra  <amodra@bigpond.net.au>
 
 	* gas/cfi/cfi-common-4.d: Correct for 64 bit targets.

gas/testsuite/gas/i386/i386.exp

@@ -55,7 +55,17 @@ if [expr ([istarget "i*86-*-*"] ||  [istarget "x86_64-*-*"]) && [gas_32_check]]
     run_dump_test "sse2"
     run_dump_test "sub"
     run_dump_test "prescott"
-    run_dump_test "divide"
+
+    if {![istarget "*-*-aix*"]
+	&& (![is_elf_format] || [istarget "*-*-linux*"]
+	    || [istarget "*-*-netbsd*"]
+	    || [istarget "*-*-freebsd*"]
+	    || [istarget "*-*-netware*"])} {
+	# Don't run this test on targets where '/' starts comments.
+	run_dump_test "divide"
+    }
+
+
     run_dump_test "padlock"
 
     # These tests require support for 8 and 16 bit relocs,
@@ -107,5 +117,13 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
     run_dump_test "x86-64-rip"
     run_list_test "x86-64-inval" "-al"
 
+    # For ELF targets verify that @unwind works.
+    if { ([istarget "*-*-elf*"] || [istarget "*-*-linux*"]
+	  || [istarget "*-*-solaris2.*"])
+	 && ![istarget *-*-linux*aout*]
+	 && ![istarget *-*-linux*oldld*] } then {
+	run_dump_test "x86-64-unwind"
+    }
+
     set ASFLAGS "$old_ASFLAGS"
 }

gas/testsuite/gas/i386/x86-64-unwind.d

@@ -0,0 +1,28 @@
+#readelf: -S
+#name: x86-64 unwind
+
+There are 8 section headers, starting at offset 0x80:
+
+Section Headers:
+  \[Nr\] Name              Type             Address           Offset
+       Size              EntSize          Flags  Link  Info  Align
+  \[ 0\]                   NULL             0000000000000000  00000000
+       0000000000000000  0000000000000000           0     0     0
+  \[ 1\] \.text             PROGBITS         0000000000000000  00000040
+       0000000000000000  0000000000000000  AX       0     0     4
+  \[ 2\] \.data             PROGBITS         0000000000000000  00000040
+       0000000000000000  0000000000000000  WA       0     0     4
+  \[ 3\] \.bss              NOBITS           0000000000000000  00000040
+       0000000000000000  0000000000000000  WA       0     0     4
+  \[ 4\] \.eh_frame         X86_64_UNWIND    0000000000000000  00000040
+       0000000000000008  0000000000000000   A       0     0     1
+  \[ 5\] \.shstrtab         STRTAB           0000000000000000  00000048
+       0000000000000036  0000000000000000           0     0     1
+  \[ 6\] \.symtab           SYMTAB           0000000000000000  00000280
+       0000000000000078  0000000000000018           7     5     8
+  \[ 7\] \.strtab           STRTAB           0000000000000000  000002f8
+       0000000000000001  0000000000000000           0     0     1
+Key to Flags:
+  W \(write\), A \(alloc\), X \(execute\), M \(merge\), S \(strings\)
+  I \(info\), L \(link order\), G \(group\), x \(unknown\)
+  O \(extra OS processing required\) o \(OS specific\), p \(processor specific\)

gas/testsuite/gas/i386/x86-64-unwind.s

@@ -0,0 +1,8 @@
+# First create .eh_frame with the right type.
+.section	.eh_frame,"a",@unwind
+.long 0
+
+# Verify that switching back into .eh_frame does not change
+# its type.
+.section .eh_frame
+.long 1

include/ChangeLog

@@ -1,3 +1,8 @@
+2004-10-08  Daniel Jacobowitz  <dan@debian.org>
+
+	* elf/common.h (PT_SUNW_EH_FRAME): Define.
+	* elf/x86-64.h (SHT_X86_64_UNWIND): Define.
+
 2004-10-07  Bob Wilson  <bob.wilson@acm.org>
 
 	* xtensa-config.h (XSHAL_USE_ABSOLUTE_LITERALS,

include/elf/common.h

@@ -290,6 +290,7 @@
 #define PT_HIPROC	0x7FFFFFFF	/* Processor-specific */
 
 #define PT_GNU_EH_FRAME	(PT_LOOS + 0x474e550) /* Frame unwind information */
+#define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME      /* Solaris uses the same value */
 #define PT_GNU_STACK	(PT_LOOS + 0x474e551) /* Stack flags */
 #define PT_GNU_RELRO	(PT_LOOS + 0x474e552) /* Read-only after relocation */
 

include/elf/x86-64.h

@@ -53,4 +53,8 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
      RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251)         /* GNU C++ hack  */
 END_RELOC_NUMBERS (R_X86_64_max)
 
+/* Processor specific section types.  */
+
+#define SHT_X86_64_UNWIND	0x70000001	/* unwind information */
+
 #endif

ld/ChangeLog

@@ -1,3 +1,7 @@
+2004-10-08  Daniel Jacobowitz  <dan@debian.org>
+
+	* configure.tgt: Include elf_x86_64 for i[3-7]86-*-solaris2*.
+
 2004-10-07  Bob Wilson  <bob.wilson@acm.org>
 
 	* ld.texinfo (Xtensa): Describe new linker relaxation to optimize

ld/configure.tgt

@@ -169,7 +169,7 @@ x86_64-*-linux-gnu*)	targ_emul=elf_x86_64
 			;;
 i[3-7]86-*-sysv[45]*)	targ_emul=elf_i386 ;;
 i[3-7]86-*-solaris2*)	targ_emul=elf_i386_ldso
-                        targ_extra_emuls="elf_i386"
+                        targ_extra_emuls="elf_i386 elf_x86_64"
                         ;;
 i[3-7]86-*-unixware)	targ_emul=elf_i386 ;;
 i[3-7]86-*-solaris*)	targ_emul=elf_i386_ldso