bfd:

Reinstate bits of sh4 support that got accidentally deleted.
Add sh-dsp support.

bfd:

	* archures.c (bfd_mach_sh2, bfd_mach_sh_dsp): New macros.
	(bfd_mach_sh3_dsp): Likewise.
	(bfd_mach_sh4): Reinstate.
	(bfd_default_scan): Recognize 7410, 7708, 7729 and 7750.
	* bfd-in2.h: Regenerate.
	* coff-sh.c (struct sh_opcode): flags is no longer short.
	(USESAS, USESAS_REG, USESR8, SETSAS, SETSAS_REG): New macros.
	(sh_opcode41, sh_opcode42): Integrate as sh_opcode41.
	(sh_opcode01, sh_opcode02, sh_opcode40): Add sh-dsp opcodes.
	(sh_opcode41, sh_opcode4, sh_opcode80): Likewise.
	(sh_opcodes): No longer const.
	(sh_dsp_opcodef0, sh_dsp_opcodef): New arrays.
	(sh_insn_uses_reg): Check for USESAS and USESR8.
	(sh_insn_sets_reg, sh_insns_conflict): Check for SETSAS.
	(_bfd_sh_align_load_span): Return early for SH4.
	Modify sh_opcodes lookup table for sh-dsp / sh3-dsp.
	Take into account that field b of a parallel processing insn
	could be mistaken for a separate insn.
	* cpu-sh.c (arch_info_struct): New array elements for
	sh2, sh-dsp and sh3-dsp.
	Reinstate element for sh4.
	(SH2_NEXT, SH_DSP_NEXT, SH3_DSP_NEXT): New macros.
	(SH4_NEXT): Reinstate.
	(SH3_NEXT, SH3E_NEXT): Adjust.
	* elf-bfd.h (_sh_elf_set_mach_from_flags): Declare.
	* elf32-sh.c (sh_elf_set_private_flags): New function.
	(sh_elf_copy_private_data, sh_elf_set_mach_from_flags): Likewise.
	(sh_elf_merge_private_data): New function.
	(elf_backend_object_p, bfd_elf32_bfd_set_private_bfd_flags): Define.
	(bfd_elf32_bfd_copy_private_bfd_data): Define.
	(bfd_elf32_bfd_merge_private_bfd_data): Change to
	sh_elf_merge_private_data.

gas:

	* config/tc-sh.c ("elf/sh.h"): Include.
	(sh_dsp, valid_arch, reg_x, reg_y, reg_efg): New static variables.
	(md.begin): Initialize target_arch.
	Only include opcodes in has table that match selected architecture.
	(parse_reg): Recognize register names for sh-dsp.
	(parse_at): Recognize post-modify addressing.
	(get_operands): The leading space is now optional.
	(get_specific): Remove FDREG_N support.  Add support for sh-dsp
	arguments.  Update valid_arch.
	(build_Mytes): Add support for SDT_REG_N.
	(find_cooked_opcode): New function, broken out of md_assemble.
	(assemble_ppi, sh_elf_final_processing): New functions.
	(md_assemble): Use find_cooked_opcode and assemble_ppi.
	(md_longopts, md_parse_option): New option: -dsp.
	* config/tc-sh.h (elf_tc_final_processing): Define.
	(sh_elf_final_processing): Declare.

include/elf:

	* sh.h: (EF_SH_MACH_MASK, EF_SH_UNKNOWN, EF_SH1, EF_SH2): New macros.
	(EF_SH3, EF_SH_HAS_DSP, EF_SH_DSP, EF_SH3_DSP): Likewise.
	(EF_SH_HAS_FP, EF_SH3E, EF_SH4, EF_SH_MERGE_MACH): Likewise.

opcodes:

	* sh-dis.c (print_movxy, print_insn_ddt, print_dsp_reg): New functions.
	(print_insn_ppi): Likewise.
	(print_insn_shx): Use info->mach to select appropriate insn set.
	Add support for sh-dsp.  Remove FD_REG_N support.
	* sh-opc.h (sh_nibble_type): Add new values for sh-dsp support.
	(sh_arg_type): Likewise.  Remove FD_REG_N.
	(sh_dsp_reg_nums): New enum.
	(arch_sh1, arch_sh2, arch_sh3, arch_sh3e, arch_sh4): New macros.
	(arch_sh_dsp, arch_sh3_dsp, arch_sh1_up, arch_sh2_up): Likewise.
	(arch_sh3_up, arch_sh3e_up, arch_sh4_up, arch_sh_dsp_up): Likewise.
	(arch_sh3_dsp_up): Likewise.
	(sh_opcode_info): New field: arch.
	(sh_table): Split up insn with FD_REG_N into ones with F_REG_N and
	D_REG_N.  Fill in arch field.  Add sh-dsp insns.

1 files changed, 118 insertions, 2 deletions

diff --git a/bfd/elf32-sh.c b/bfd/elf32-sh.c
index ea5bd9f..ea0426e 100644
--- a/bfd/elf32-sh.c
+++ b/bfd/elf32-sh.c
@@ -1,5 +1,5 @@
 /* Hitachi SH specific support for 32-bit ELF
-   Copyright 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright 1996, 97, 98, 1999, 2000 Free Software Foundation, Inc.
    Contributed by Ian Lance Taylor, Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
@@ -33,6 +33,14 @@ static reloc_howto_type *sh_elf_reloc_type_lookup
   PARAMS ((bfd *, bfd_reloc_code_real_type));
 static void sh_elf_info_to_howto
   PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
+static boolean sh_elf_set_private_flags
+  PARAMS ((bfd *, flagword));
+static boolean sh_elf_copy_private_data
+  PARAMS ((bfd *, bfd *));
+static boolean sh_elf_merge_private_data
+  PARAMS ((bfd *, bfd *));
+boolean sh_elf_set_mach_from_flags
+  PARAMS ((bfd *));
 static boolean sh_elf_relax_section
   PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
 static boolean sh_elf_relax_delete_bytes
@@ -2087,6 +2095,109 @@ sh_elf_check_relocs (abfd, info, sec, relocs)
   return true;
 }
 
+boolean
+sh_elf_set_mach_from_flags (abfd)
+     bfd *    abfd;
+{
+  flagword flags = elf_elfheader (abfd)->e_flags;
+
+  switch (elf_elfheader (abfd)->e_flags & EF_SH_MACH_MASK)
+    {
+    case EF_SH1:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh);
+      break;
+    case EF_SH2:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh2);
+      break;
+    case EF_SH_DSP:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh_dsp);
+      break;
+    case EF_SH3:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3);
+      break;
+    case EF_SH3_DSP:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3_dsp);
+      break;
+    case EF_SH3E:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh3e);
+      break;
+    case EF_SH_UNKNOWN:
+    case EF_SH4:
+      bfd_default_set_arch_mach (abfd, bfd_arch_sh, bfd_mach_sh4);
+      break;
+    default:
+      return false;
+    }
+  return true;
+}
+
+/* Function to keep SH specific file flags. */
+static boolean
+sh_elf_set_private_flags (abfd, flags)
+     bfd *    abfd;
+     flagword flags;
+{
+  BFD_ASSERT (! elf_flags_init (abfd)
+	      || elf_elfheader (abfd)->e_flags == flags);
+
+  elf_elfheader (abfd)->e_flags = flags;
+  elf_flags_init (abfd) = true;
+  return sh_elf_set_mach_from_flags (abfd);
+}
+
+/* Copy backend specific data from one object module to another */
+static boolean
+sh_elf_copy_private_data (ibfd, obfd)
+     bfd * ibfd;
+     bfd * obfd;
+{
+  if (   bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+    return true;
+
+  return sh_elf_set_private_flags (obfd, elf_elfheader (ibfd)->e_flags);
+}
+
+/* This routine checks for linking big and little endian objects
+   together, and for linking sh-dsp with sh3e / sh4 objects.  */
+
+static boolean
+sh_elf_merge_private_data (ibfd, obfd)
+     bfd *ibfd;
+     bfd *obfd;
+{
+  flagword old_flags, new_flags;
+
+  if (_bfd_generic_verify_endian_match (ibfd, obfd) == false)
+    return false;
+
+  if (   bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+    return true;
+
+  if (! elf_flags_init (obfd))
+    {
+      elf_flags_init (obfd) = true;
+      elf_elfheader (obfd)->e_flags = 0;
+    }
+  old_flags = elf_elfheader (obfd)->e_flags;
+  new_flags = elf_elfheader (ibfd)->e_flags;
+  if ((EF_SH_HAS_DSP (old_flags) && EF_SH_HAS_FP (new_flags))
+      || (EF_SH_HAS_DSP (new_flags) && EF_SH_HAS_FP (old_flags)))
+    {
+      (*_bfd_error_handler)
+	("%s: uses %s instructions while previous modules use %s instructions",
+	 bfd_get_filename (ibfd),
+	 EF_SH_HAS_DSP (new_flags) ? "dsp" : "floating point",
+	 EF_SH_HAS_DSP (new_flags) ? "floating point" : "dsp");
+      bfd_set_error (bfd_error_bad_value);
+      return false;
+    }
+  elf_elfheader (obfd)->e_flags = EF_SH_MERGE_MACH (old_flags, new_flags);
+
+  return sh_elf_set_mach_from_flags (obfd);
+}
+
 #define TARGET_BIG_SYM		bfd_elf32_sh_vec
 #define TARGET_BIG_NAME		"elf32-sh"
 #define TARGET_LITTLE_SYM	bfd_elf32_shl_vec
@@ -2103,8 +2214,13 @@ sh_elf_check_relocs (abfd, info, sec, relocs)
 #define elf_backend_relocate_section	sh_elf_relocate_section
 #define bfd_elf32_bfd_get_relocated_section_contents \
 					sh_elf_get_relocated_section_contents
+#define elf_backend_object_p		sh_elf_set_mach_from_flags
+#define bfd_elf32_bfd_set_private_bfd_flags \
+					sh_elf_set_private_flags
+#define bfd_elf32_bfd_copy_private_bfd_data \
+					sh_elf_copy_private_data
 #define bfd_elf32_bfd_merge_private_bfd_data \
-					_bfd_generic_verify_endian_match
+					sh_elf_merge_private_data
 
 #define elf_backend_gc_mark_hook        sh_elf_gc_mark_hook
 #define elf_backend_gc_sweep_hook       sh_elf_gc_sweep_hook