* as.c (debug_type): Init to DEBUG_UNSPECIFIED.

	* as.h (debug_type): Clarify documentation of the meaning
	of this variable.
	* dwarf2dbg.c (DWARF2_LINE_MIN_INSN_LENGTH): Default to 1.
	(print_stats): Fix parenthesis problem.
	(now_subseg_size): New.
	(dwarf2_finish): Use it.  If DEBUG_DWARF2, emit bits for .debug_info.
	(dwarf2_directive_file): Don't set debug_type.
	(dwarf2_where): Honor DEBUG_DWARF2 first.
	(dwarf2_emit_insn): Renamed from dwarf2_generate_asm_lineno;
	do nothing if not emitting dwarf2 debug info, or no work.
	* dwarf2dbg.h (dwarf2_emit_insn): Update.
	* ecoff.c (add_file): Turn on DEBUG_ECOFF only if DEBUG_UNSPECIFIED.
	(ecoff_new_file): Likewise.
	* read.c (generate_lineno_debug): Kill ecoff hackery.  Update
	commentary wrt dwarf2.

	* config/tc-alpha.c (alpha_adjust_symtab_relocs): Add
	ATTRIBUTE_UNUSED as needed.
	(emit_insn): Call dwarf2_emit_insn.
	(s_alpha_file): New.
	(s_alpha_loc): New.
	(s_alpha_coff_wrapper): Don't handle them.
	(md_pseudo_table): Update for .file and .loc.
	* config/tc-alpha.h (DWARF2_LINE_MIN_INSN_LENGTH): New.

	* config/tc-arm.c (output_inst): Update for dwarf2_emit_insn;
	don't protect with debug_type.
	* config/tc-hppa.c (md_assemble): Likewise.
	* config/tc-m68hc11.c (m68hc11_new_insn): Likewise.
	* config/tc-mn10300.c (md_assemble): Likewise.
	* config/tc-sh.c (md_assemble): Likewise.
	* config/tc-v850.c (md_assemble): Likewise.

	* config/tc-arm.c (arm_end_of_source): Remove.
	* config/tc-hppa.c (pa_end_of_source): Remove.
	* config/tc-m68hc11.c (m68hc11_end_of_source): Remove.
	* config/tc-mn10300.c (mn10300_finalize): Remove.
	* config/tc-sh.c (sh_finalize): Remove.
	* config/tc-v850.c (sh_finalize): Remove.

	* config/tc-arm.h (md_end): Remove.
	* config/tc-hppa.h (md_end): Remove.
	(DWARF2_LINE_MIN_INSN_LENGTH): New.
	* config/tc-m68hc11.h (md_end): Remove.
	* config/tc-mn10300.h (md_end): Remove.
	* config/tc-sh.h (md_end): Remove.
	* config/tc-v850.h (md_end): Remove.

	* config/tc-ia64.c (emit_one_bundle): Don't protect
	dwarf2 bits with debug_type.
	(md_assemble): Likewise.
	(ia64_end_of_source): Don't call dwarf2_finish.

15 files changed, 48 insertions, 121 deletions

diff --git a/gas/config/tc-alpha.c b/gas/config/tc-alpha.c
index 44aedcd..66d208b 100644
--- a/gas/config/tc-alpha.c
+++ b/gas/config/tc-alpha.c
@@ -58,6 +58,7 @@
 
 #ifdef OBJ_ELF
 #include "elf/alpha.h"
+#include "dwarf2dbg.h"
 #endif
 
 #include <ctype.h>
@@ -245,6 +246,8 @@ static void s_alpha_end PARAMS ((int));
 static void s_alpha_mask PARAMS ((int));
 static void s_alpha_frame PARAMS ((int));
 static void s_alpha_prologue PARAMS ((int));
+static void s_alpha_file PARAMS ((int));
+static void s_alpha_loc PARAMS ((int));
 static void s_alpha_coff_wrapper PARAMS ((int));
 #endif
 #ifdef OBJ_EVAX
@@ -393,8 +396,8 @@ static offsetT alpha_lit4_literal;
 static offsetT alpha_lit8_literal;
 #endif
 
-/* The active .ent symbol.  */
 #ifdef OBJ_ELF
+/* The active .ent symbol.  */
 static symbolS *alpha_cur_ent_sym;
 #endif
 
@@ -1671,9 +1674,9 @@ alpha_adjust_symtab ()
 
 static void
 alpha_adjust_symtab_relocs (abfd, sec, ptr)
-     bfd *abfd;
+     bfd *abfd ATTRIBUTE_UNUSED;
      asection *sec;
-     PTR ptr;
+     PTR ptr ATTRIBUTE_UNUSED;
 {
   segment_info_type *seginfo = seg_info (sec);
   fixS **prevP;
@@ -2466,6 +2469,10 @@ emit_insn (insn)
   f = frag_more (4);
   md_number_to_chars (f, insn->insn, 4);
 
+#ifdef OBJ_ELF
+  dwarf2_emit_insn (4);
+#endif
+
   /* Apply the fixups in order */
   for (i = 0; i < insn->nfixups; ++i)
     {
@@ -3287,8 +3294,8 @@ emit_lda (tok, ntok, opname)
 	      || tok[2].X_op != O_pregister
 	      || !is_ir_num(tok[2].X_add_number))
 	    {
-	      as_bad (_("bad instruction format for lda !%s!%d"), r->name,
-		      reloc->X_add_number);
+	      as_bad (_("bad instruction format for lda !%s!%ld"), r->name,
+		      (long) reloc->X_add_number);
 
 	      reloc = (const expressionS *)0;
 	      ntok--;
@@ -4572,6 +4579,26 @@ s_alpha_prologue (ignore)
 }
 
 static void
+s_alpha_file (ignore)
+     int ignore ATTRIBUTE_UNUSED;
+{
+  if (ECOFF_DEBUGGING)
+    ecoff_directive_file (0);
+  else
+    dwarf2_directive_file (0);
+}
+
+static void
+s_alpha_loc (ignore)
+     int ignore ATTRIBUTE_UNUSED;
+{
+  if (ECOFF_DEBUGGING)
+    ecoff_directive_loc (0);
+  else
+    dwarf2_directive_loc (0);
+}
+
+static void
 s_alpha_coff_wrapper (which)
      int which;
 {
@@ -4581,11 +4608,9 @@ s_alpha_coff_wrapper (which)
     ecoff_directive_def,
     ecoff_directive_dim,
     ecoff_directive_endef,
-    ecoff_directive_file,
     ecoff_directive_scl,
     ecoff_directive_tag,
     ecoff_directive_val,
-    ecoff_directive_loc,
   };
 
   assert (which >= 0 && which < (int)(sizeof(fns)/sizeof(*fns)));
@@ -5447,17 +5472,17 @@ const pseudo_typeS md_pseudo_table[] =
   {"fmask", s_alpha_mask, 1},
   {"frame", s_alpha_frame, 0},
   {"prologue", s_alpha_prologue, 0},
+  {"file", s_alpha_file, 5},
+  {"loc", s_alpha_loc, 9},
   /* COFF debugging related pseudos.  */
   {"begin", s_alpha_coff_wrapper, 0},
   {"bend", s_alpha_coff_wrapper, 1},
   {"def", s_alpha_coff_wrapper, 2},
   {"dim", s_alpha_coff_wrapper, 3},
   {"endef", s_alpha_coff_wrapper, 4},
-  {"file", s_alpha_coff_wrapper, 5},
-  {"scl", s_alpha_coff_wrapper, 6},
-  {"tag", s_alpha_coff_wrapper, 7},
-  {"val", s_alpha_coff_wrapper, 8},
-  {"loc", s_alpha_coff_wrapper, 9},
+  {"scl", s_alpha_coff_wrapper, 5},
+  {"tag", s_alpha_coff_wrapper, 6},
+  {"val", s_alpha_coff_wrapper, 7},
 #else
   {"prologue", s_ignore, 0},
 #endif
diff --git a/gas/config/tc-alpha.h b/gas/config/tc-alpha.h
index 632b04e..b4335e3 100644
--- a/gas/config/tc-alpha.h
+++ b/gas/config/tc-alpha.h
@@ -146,3 +146,5 @@ do {									\
 	     (long)fixP->tc_fix_data.next_lituse);			\
 } while (0)
 #endif
+
+#define DWARF2_LINE_MIN_INSN_LENGTH 4
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 1556db6..eb22404 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -6374,11 +6374,10 @@ output_inst PARAMS ((void))
     fix_new_arm (frag_now, to - frag_now->fr_literal,
 		 inst.size, & inst.reloc.exp, inst.reloc.pc_rel,
 		 inst.reloc.type);
+
 #ifdef OBJ_ELF
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_generate_asm_lineno (inst.size);
+  dwarf2_emit_insn (inst.size);
 #endif
-  return;
 }
 
 void
@@ -7505,13 +7504,4 @@ s_arm_elf_cons (nbytes)
   demand_empty_rest_of_line ();
 }
 
-/* Stuff to do after assembling all of the source file.  */
-
-void
-arm_end_of_source ()
-{
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_finish ();
-}
-
 #endif /* OBJ_ELF */
diff --git a/gas/config/tc-arm.h b/gas/config/tc-arm.h
index e1de55e..365591c 100644
--- a/gas/config/tc-arm.h
+++ b/gas/config/tc-arm.h
@@ -212,8 +212,5 @@ void armelf_frob_symbol PARAMS ((symbolS *, int *));
 #endif
 
 #ifdef OBJ_ELF
-#define md_end() arm_end_of_source ()
- extern void arm_end_of_source PARAMS ((void));
-
 #define DWARF2_LINE_MIN_INSN_LENGTH 2
 #endif
diff --git a/gas/config/tc-hppa.c b/gas/config/tc-hppa.c
index 7860370..e43e9be 100644
--- a/gas/config/tc-hppa.c
+++ b/gas/config/tc-hppa.c
@@ -1491,8 +1491,7 @@ md_assemble (str)
 		  the_insn.format, the_insn.arg_reloc, NULL);
 
 #ifdef OBJ_ELF
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_generate_asm_lineno (4);
+  dwarf2_emit_insn (4);
 #endif
 }
 
@@ -8540,13 +8539,6 @@ elf_hppa_final_processing ()
     }
 }
 
-void
-pa_end_of_source ()
-{
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_finish ();
-}
-
 static void
 pa_vtable_entry (ignore)
      int ignore ATTRIBUTE_UNUSED;
diff --git a/gas/config/tc-hppa.h b/gas/config/tc-hppa.h
index 5a54f16..bb40d59 100644
--- a/gas/config/tc-hppa.h
+++ b/gas/config/tc-hppa.h
@@ -173,8 +173,7 @@ int hppa_fix_adjustable PARAMS((struct fix *));
 #define elf_tc_final_processing	elf_hppa_final_processing
 void elf_hppa_final_processing PARAMS ((void));
 
-#define md_end() pa_end_of_source ()
-void pa_end_of_source PARAMS ((void));
+#define DWARF2_LINE_MIN_INSN_LENGTH 4
 #endif /* OBJ_ELF */
 
 #define md_operand(x)
diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c
index 2474a48..afdf35b 100644
--- a/gas/config/tc-ia64.c
+++ b/gas/config/tc-ia64.c
@@ -5649,7 +5649,6 @@ emit_one_bundle ()
 	  continue;		/* try next slot */
 	}
 
-      if (debug_type == DEBUG_DWARF2)
 	{
 	  bfd_vma addr;
 
@@ -6197,9 +6196,6 @@ ia64_end_of_source ()
 
   bfd_set_private_flags (stdoutput, md.flags);
 
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_finish ();
-
   md.mem_offset.hint = 0;
 }
 
@@ -9088,8 +9084,7 @@ md_assemble (str)
   CURR_SLOT.qp_regno = qp_regno;
   CURR_SLOT.idesc = idesc;
   as_where (&CURR_SLOT.src_file, &CURR_SLOT.src_line);
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_where (&CURR_SLOT.debug_line);
+  dwarf2_where (&CURR_SLOT.debug_line);
 
   /* Add unwind entry, if there is one.  */
   if (unwind.current_entry)
diff --git a/gas/config/tc-m68hc11.c b/gas/config/tc-m68hc11.c
index c0549ab..eabf8ef 100644
--- a/gas/config/tc-m68hc11.c
+++ b/gas/config/tc-m68hc11.c
@@ -1371,9 +1371,7 @@ m68hc11_new_insn (size)
 
   f = frag_more (size);
 
-  /* Emit line number information in dwarf2 debug sections.  */
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_generate_asm_lineno (size);
+  dwarf2_emit_insn (size);
 
   return f;
 }
@@ -2769,38 +2767,3 @@ m68hc11_cleanup ()
 {
   return 1;
 }
-
-void
-m68hc11_end_of_source ()
-{
-  segT saved_seg;
-  subsegT saved_subseg;
-  segT debug_info;
-  char *p;
-  long total_size = 0;
-
-  if (debug_type != DEBUG_DWARF2)
-    return;
-
-  dwarf2_finish ();
-
-  saved_seg = now_seg;
-  saved_subseg = now_subseg;
-
-  debug_info = subseg_new (".debug_info", 0);
-  bfd_set_section_flags (stdoutput, debug_info, SEC_READONLY);
-  subseg_set (debug_info, 0);
-  p = frag_more (10);
-  total_size = 12;
-
-# define STUFF(val,size)	md_number_to_chars (p, val, size); p += size;
-  STUFF (total_size, 4); /* Length of compilation unit.  */
-  STUFF (2, 2); /* Dwarf version */
-  STUFF (0, 4);
-  STUFF (2, 1); /* Pointer size */
-  STUFF (1, 1); /* Compile unit */
-  STUFF (0, 4);
-
-  now_subseg = saved_subseg;
-  now_seg = saved_seg;
-}
diff --git a/gas/config/tc-m68hc11.h b/gas/config/tc-m68hc11.h
index 48139b6..8a1000d 100644
--- a/gas/config/tc-m68hc11.h
+++ b/gas/config/tc-m68hc11.h
@@ -79,9 +79,6 @@ extern void m68hc11_init_after_args PARAMS ((void));
 extern int m68hc11_parse_long_option PARAMS ((char *));
 #define md_parse_long_option m68hc11_parse_long_option
 
-extern void m68hc11_end_of_source PARAMS ((void));
-#define md_end() m68hc11_end_of_source ()
-
 #define DWARF2_LINE_MIN_INSN_LENGTH 1
 
 /* We don't need to handle .word strangely.  */
diff --git a/gas/config/tc-mn10300.c b/gas/config/tc-mn10300.c
index 5c83421..51bc3fb 100644
--- a/gas/config/tc-mn10300.c
+++ b/gas/config/tc-mn10300.c
@@ -1789,8 +1789,7 @@ keep_going:
 	}
     }
 
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_generate_asm_lineno (real_size);
+  dwarf2_emit_insn (real_size);
 }
 
 /* If while processing a fixup, a reloc really needs to be created
@@ -2135,10 +2134,3 @@ set_arch_mach (mach)
 
   current_machine = mach;
 }
-
-void
-mn10300_finalize ()
-{
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_finish ();
-}
diff --git a/gas/config/tc-mn10300.h b/gas/config/tc-mn10300.h
index 0c61ed0..765ff5e 100644
--- a/gas/config/tc-mn10300.h
+++ b/gas/config/tc-mn10300.h
@@ -62,7 +62,4 @@ extern boolean mn10300_fix_adjustable PARAMS ((struct fix *));
 extern const struct relax_type md_relax_table[];
 #define TC_GENERIC_RELAX_TABLE md_relax_table
 
-#define md_end() mn10300_finalize ()
-void mn10300_finalize PARAMS ((void));
-
 #define DWARF2_LINE_MIN_INSN_LENGTH 1
diff --git a/gas/config/tc-sh.c b/gas/config/tc-sh.c
index 0f9ecdf..cdf249e 100644
--- a/gas/config/tc-sh.c
+++ b/gas/config/tc-sh.c
@@ -1929,8 +1929,7 @@ md_assemble (str)
 	}
     }
 
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_generate_asm_lineno (size);
+  dwarf2_emit_insn (size);
 }
 
 /* This routine is called each time a label definition is seen.  It
@@ -3324,10 +3323,3 @@ tc_gen_reloc (section, fixp)
 }
 
 #endif /* BFD_ASSEMBLER */
-
-void
-sh_finalize ()
-{
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_finish ();
-}
diff --git a/gas/config/tc-sh.h b/gas/config/tc-sh.h
index 050d339..ed17a47 100644
--- a/gas/config/tc-sh.h
+++ b/gas/config/tc-sh.h
@@ -206,6 +206,3 @@ extern void sh_elf_final_processing PARAMS ((void));
 	   && ! S_IS_COMMON ((FIX)->fx_addsy))))
 
 #endif /* OBJ_ELF */
-
-#define md_end() sh_finalize ()
-void sh_finalize PARAMS ((void));
diff --git a/gas/config/tc-v850.c b/gas/config/tc-v850.c
index 584579a..5793195 100644
--- a/gas/config/tc-v850.c
+++ b/gas/config/tc-v850.c
@@ -2275,8 +2275,7 @@ md_assemble (str)
 
   input_line_pointer = saved_input_line_pointer;
 
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_generate_asm_lineno (total_insn_size);
+  dwarf2_emit_insn (total_insn_size);
 }
 
 /* If while processing a fixup, a reloc really needs to be created
@@ -2534,10 +2533,3 @@ v850_force_relocation (fixP)
 
   return 0;
 }
-
-void
-v850_finalize ()
-{
-  if (debug_type == DEBUG_DWARF2)
-    dwarf2_finish ();
-}
diff --git a/gas/config/tc-v850.h b/gas/config/tc-v850.h
index 2347bc9..1e597f0 100644
--- a/gas/config/tc-v850.h
+++ b/gas/config/tc-v850.h
@@ -90,7 +90,4 @@ extern const struct relax_type md_relax_table[];
 #define MD_PCREL_FROM_SECTION(fixP,section) v850_pcrel_from_section (fixP, section)
 extern long v850_pcrel_from_section ();
 
-#define md_end() v850_finalize ()
-extern void v850_finalize PARAMS ((void));
-
 #define DWARF2_LINE_MIN_INSN_LENGTH 2