Delete obsolete SDB debug info support.

	gcc/
	* Makefile.in (OBJS): Delete sdbout.o.
	(GTFILES): Delete $(srcdir)/sdbout.c.
	* debug.h: Delete sdb_debug_hooks.
	* final.c: Delete sdbout.h include.
	(final_scan_insn): Delete SDB_DEBUG check.
	(rest_of_clean_state): Likewise.
	* output.h: Delete sdb_begin_function_line.
	* sdbout.c: Delete.
	* sdbout.h: Delete.
	* toplev.c: Delete sdbout.h include.
	(process_options): Delete SDB_DEBUG check.
	* tree-core.h (tree_type_common): Delete pointer field of
	tree_type_symtab.
	* tree.c (copy_node): Clear TYPE_SYMTAB_DIE instead of
	TYPE_SYMTAB_POINTER.
	* tree.h (TYPE_SYMTAB_POINTER): Delete.
	(TYPE_SYMTAB_IS_POINTER): Delete.
	(TYPE_SYMTAB_IS_DIE): Renumber.
	* xcoffout.c: Refer to former sdbout.c file.
	(xcoffout_begin_prologue): Use past tense for sdbout.c reference.

	* doc/install.texi (--with-stabs): Delete COFF and ECOFF info.
	* doc/invoke.texi (SEEALSO): Delete adb and sdb references.
	(Debugging Options): Delete -gcoff.
	(-gstabs): Delete SDB reference.
	(-gcoff): Delete.
	(-gcoff@var{level}): Delete.
	* doc/passes.texi (Debugging information output): Delete SDB and
	sdbout.c references.
	* doc/tm.texi: Regenerate.
	* doc/tm.texi.in (DWARF_CIE_DATA_ALIGNMENT): Delete SDB from xref.
	(SDB and DWARF): Change node name to DWARF and delete SDB and COFF
	references.
	(DEBUGGER_AUTO_OFFSET): Delete COFF and SDB references.
	(PREFERRED_DEBUGGING_TYPE): Delete SDB_DEBUG and -gcoff references.
	(SDB_DEBUGGING_INFO): Delete.
	(PUT_SDB_@dots{}, SDB_DELIM, SDB_ALLOW_UNKNOWN_REFERENCES)
	SDB_ALLOW_FORWARD_REFERENCES, SDB_OUTPUT_SOURCE_LINE): Delete.
	* target.def (output_source_filename): Delete COFF reference.

	* common.opt (gcoff): Delete.
	(gxcoff+): Update Negative chain.
	* defaults.h: Delete all references to SDB_DEBUGGING_INFO and
	SDB_DEBUG.
	* dwarf2out.c (gen_array_type_die): Change SDB to debuggers.
	* flag-types.h (enum debug_info_type): Delete SDB_DEBUG.
	* function.c (number_blocks): Delete SDB_DEBUGGING_INFO, SDB_DEBUG,
	and SDB references.
	(expand_function_start): Change sdb reference to past tense.
	(expand_function_end): Change sdb reference to past tense.
	* gcc.c (cpp_unique_options): Delete gcoff3 reference.
	* opts.c (debug_type_names): Delete coff entry.
	(common_handle_option): Delete OPT_gcoff case.
	* system.h (SDB_DEBUG, SDB_DEBUGGING_INFO): Poison.

	* config/dbxcoff.h (PREFERRED_DEBUGGING_TYPE): Set to DBX_DEBUG.
	* config/cris/cris.h: Delete SDB reference in comment.
	* config/i386/cygming.h: Don't define SDB_DEBUGGING_INFO.
	(ASM_DECLARE_FUNCTION_NAME): Delete SDB reference from comment.
	* config/i386/gas.h: Don't define SDB_DEBUGGING_INFO.
	* config/i386/i386.c (svr4_dbx_register_map): Change SDB references
	to past tense.
	(ix86_expand_prologue): Likewise.
	* config/i386/winnt.c (i386_pe_start_function): Don't check SDB_DEBUG.
	* config/ia64/ia64.h: Likewise.
	* config/m68k/m68kelf.h (DBX_REGISTER_NUMBER): Delete SDB reference.
	* config/mips/mips.h (SUBTARGET_ASM_DEBUGGING_SPEC): Delete gcoff*
	support.
	* config/mmix/mmix.h: Likewise.
	* config/nds32/nds32.c: Likewise.
	* config/stormy/storym16.h: Likewise.
	* config/visium/visium.h: Likewise.
	* config/vx-common.h (SDB_DEBUGGING_INFO): Delete undef.

	gcc/fortran/
	* invoke.texi: Delete adb and sdb references.

	gccc/testsuite/
	* lib/gcc-dg.exp (gcc-dg-debug-runtest): Delete -gcoff.
	* lib/gfortran-dg.exp (gfortran-dg-debug-runtest): Delete
	-gcoff.

From-SVN: r254206

14 files changed, 21 insertions, 32 deletions

diff --git a/gcc/config/cris/cris.h b/gcc/config/cris/cris.h
index f9149c7..892a372 100644
--- a/gcc/config/cris/cris.h
+++ b/gcc/config/cris/cris.h
@@ -998,7 +998,7 @@ enum cris_symbol_type
 /* (no definitions) */
 
 
-/* Node: SDB and DWARF */
+/* Node: DWARF */
 /* (no definitions) */
 
 /* Node: Misc */
diff --git a/gcc/config/dbxcoff.h b/gcc/config/dbxcoff.h
index e5eef64..c20b4fe 100644
--- a/gcc/config/dbxcoff.h
+++ b/gcc/config/dbxcoff.h
@@ -25,10 +25,10 @@ along with GCC; see the file COPYING3.  If not see
 
 #define DBX_DEBUGGING_INFO 1
 
-/* Generate SDB debugging information by default.  */
+/* Generate DBX debugging information by default.  */
 
 #ifndef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
 #endif
 
 /* Be function-relative for block and source line stab directives.  */
diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h
index a731e2f..1ed9b17 100644
--- a/gcc/config/i386/cygming.h
+++ b/gcc/config/i386/cygming.h
@@ -19,7 +19,6 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 #define DBX_DEBUGGING_INFO 1
-#define SDB_DEBUGGING_INFO 1
 #if TARGET_64BIT_DEFAULT || defined (HAVE_GAS_PE_SECREL32_RELOC)
 #define DWARF2_DEBUGGING_INFO 1
 #endif
@@ -308,8 +307,7 @@ do {						\
 #define TARGET_SECTION_TYPE_FLAGS  i386_pe_section_type_flags
 
 /* Write the extra assembler code needed to declare a function
-   properly.  If we are generating SDB debugging information, this
-   will happen automatically, so we only need to handle other cases.  */
+   properly.  */
 #undef ASM_DECLARE_FUNCTION_NAME
 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
   i386_pe_start_function (FILE, NAME, DECL)
diff --git a/gcc/config/i386/gas.h b/gcc/config/i386/gas.h
index 9b42787..862c1c2 100644
--- a/gcc/config/i386/gas.h
+++ b/gcc/config/i386/gas.h
@@ -40,10 +40,6 @@ along with GCC; see the file COPYING3.  If not see
 #undef DBX_NO_XREFS
 #undef DBX_CONTIN_LENGTH
 
-/* Ask for COFF symbols.  */
-
-#define SDB_DEBUGGING_INFO 1
-
 /* Output #ident as a .ident.  */
 
 #undef TARGET_ASM_OUTPUT_IDENT
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 80c8ce7..a66b433 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -301,7 +301,7 @@ int const dbx64_register_map[FIRST_PSEUDO_REGISTER] =
 	7 for %edi (gcc regno = 5)
    The following three DWARF register numbers are never generated by
    the SVR4 C compiler or by the GNU compilers, but SDB on x86/svr4
-   believes these numbers have these meanings.
+   believed these numbers have these meanings.
 	8  for %eip    (no gcc equivalent)
 	9  for %eflags (gcc regno = 17)
 	10 for %trapno (no gcc equivalent)
@@ -309,20 +309,20 @@ int const dbx64_register_map[FIRST_PSEUDO_REGISTER] =
    for the x86 architecture.  If the version of SDB on x86/svr4 were
    a bit less brain dead with respect to floating-point then we would
    have a precedent to follow with respect to DWARF register numbers
-   for x86 FP registers, but the SDB on x86/svr4 is so completely
+   for x86 FP registers, but the SDB on x86/svr4 was so completely
    broken with respect to FP registers that it is hardly worth thinking
    of it as something to strive for compatibility with.
-   The version of x86/svr4 SDB I have at the moment does (partially)
+   The version of x86/svr4 SDB I had does (partially)
    seem to believe that DWARF register number 11 is associated with
    the x86 register %st(0), but that's about all.  Higher DWARF
    register numbers don't seem to be associated with anything in
-   particular, and even for DWARF regno 11, SDB only seems to under-
+   particular, and even for DWARF regno 11, SDB only seemed to under-
    stand that it should say that a variable lives in %st(0) (when
    asked via an `=' command) if we said it was in DWARF regno 11,
-   but SDB still prints garbage when asked for the value of the
+   but SDB still printed garbage when asked for the value of the
    variable in question (via a `/' command).
-   (Also note that the labels SDB prints for various FP stack regs
-   when doing an `x' command are all wrong.)
+   (Also note that the labels SDB printed for various FP stack regs
+   when doing an `x' command were all wrong.)
    Note that these problems generally don't affect the native SVR4
    C compiler because it doesn't allow the use of -O with -g and
    because when it is *not* optimizing, it allocates a memory
@@ -13020,7 +13020,7 @@ ix86_expand_prologue (void)
   if (frame_pointer_needed && !m->fs.fp_valid)
     {
       /* Note: AT&T enter does NOT have reversed args.  Enter is probably
-         slower on all targets.  Also sdb doesn't like it.  */
+         slower on all targets.  Also sdb didn't like it.  */
       insn = emit_insn (gen_push (hard_frame_pointer_rtx));
       RTX_FRAME_RELATED_P (insn) = 1;
 
diff --git a/gcc/config/i386/winnt.c b/gcc/config/i386/winnt.c
index 405f74a..61d94d2 100644
--- a/gcc/config/i386/winnt.c
+++ b/gcc/config/i386/winnt.c
@@ -1215,8 +1215,7 @@ void
 i386_pe_start_function (FILE *f, const char *name, tree decl)
 {
   i386_pe_maybe_record_exported_symbol (decl, name, 0);
-  if (write_symbols != SDB_DEBUG)
-    i386_pe_declare_function_type (f, name, TREE_PUBLIC (decl));
+  i386_pe_declare_function_type (f, name, TREE_PUBLIC (decl));
   /* In case section was altered by debugging output.  */
   if (decl != NULL_TREE)
     switch_to_section (function_section (decl));
diff --git a/gcc/config/ia64/ia64.h b/gcc/config/ia64/ia64.h
index e7073d1..eceab5f 100644
--- a/gcc/config/ia64/ia64.h
+++ b/gcc/config/ia64/ia64.h
@@ -1470,7 +1470,7 @@ do {									\
 /* Likewise.  */
 
 
-/* Macros for SDB and Dwarf Output.  */
+/* Macros for Dwarf Output.  */
 
 /* Define this macro if GCC should produce dwarf version 2 format debugging
    output in response to the `-g' option.  */
diff --git a/gcc/config/m68k/m68kelf.h b/gcc/config/m68k/m68kelf.h
index fb1a0a4..159223f 100644
--- a/gcc/config/m68k/m68kelf.h
+++ b/gcc/config/m68k/m68kelf.h
@@ -97,7 +97,7 @@ do {								\
 
 /* Define how the m68k registers should be numbered for Dwarf output.
    The numbering provided here should be compatible with the native
-   SVR4 SDB debugger in the m68k/SVR4 reference port, where d0-d7
+   SVR4 debugger in the m68k/SVR4 reference port, where d0-d7
    are 0-7, a0-a8 are 8-15, and fp0-fp7 are 16-23.  */
 
 #undef DBX_REGISTER_NUMBER
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h
index 550d283..f5c28bf 100644
--- a/gcc/config/mips/mips.h
+++ b/gcc/config/mips/mips.h
@@ -1314,9 +1314,7 @@ struct mips_cpu_info {
 %{g} %{g0} %{g1} %{g2} %{g3} \
 %{ggdb:-g} %{ggdb0:-g0} %{ggdb1:-g1} %{ggdb2:-g2} %{ggdb3:-g3} \
 %{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
-%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
-%{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3} \
-%{gcoff*:-mdebug} %{!gcoff*:-no-mdebug}"
+%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3}"
 #endif
 
 /* FP_ASM_SPEC represents the floating-point options that must be passed
diff --git a/gcc/config/mmix/mmix.h b/gcc/config/mmix/mmix.h
index 5dafe2d..2ee3592 100644
--- a/gcc/config/mmix/mmix.h
+++ b/gcc/config/mmix/mmix.h
@@ -761,7 +761,7 @@ typedef struct { int regs; int lib; } CUMULATIVE_ARGS;
 /* (empty) */
 
 
-/* Node: SDB and DWARF */
+/* Node: DWARF */
 #define DWARF2_DEBUGGING_INFO 1
 #define DWARF2_ASM_LINE_DEBUG_INFO 1
 
diff --git a/gcc/config/nds32/nds32.c b/gcc/config/nds32/nds32.c
index c1eb66a..b0d5e48 100644
--- a/gcc/config/nds32/nds32.c
+++ b/gcc/config/nds32/nds32.c
@@ -3763,7 +3763,7 @@ nds32_target_alignment (rtx_insn *label)
 
 /* -- File Names in DBX Format.  */
 
-/* -- Macros for SDB and DWARF Output.  */
+/* -- Macros for DWARF Output.  */
 
 /* -- Macros for VMS Debug Format.  */
 
diff --git a/gcc/config/stormy16/stormy16.h b/gcc/config/stormy16/stormy16.h
index 3f8a535..1d70457 100644
--- a/gcc/config/stormy16/stormy16.h
+++ b/gcc/config/stormy16/stormy16.h
@@ -446,7 +446,7 @@ enum reg_class
 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 
 
-/* Macros for SDB and Dwarf Output.  */
+/* Macros for Dwarf Output.  */
 
 /* Define this macro if addresses in Dwarf 2 debugging info should not
    be the same size as pointers on the target architecture.  The
diff --git a/gcc/config/visium/visium.h b/gcc/config/visium/visium.h
index 3b229f1..8573595 100644
--- a/gcc/config/visium/visium.h
+++ b/gcc/config/visium/visium.h
@@ -1527,9 +1527,8 @@ do									\
    automatic variable having address X (an RTL expression).  The
    default computation assumes that X is based on the frame-pointer
    and gives the offset from the frame-pointer.  This is required for
-   targets that produce debugging output for DBX or COFF-style
-   debugging output for SDB and allow the frame-pointer to be
-   eliminated when the `-g' options is used. */
+   targets that produce debugging output for DBX and allow the frame-pointer
+   to be eliminated when the `-g' options is used. */
 #define DEBUGGER_AUTO_OFFSET(X) \
   (GET_CODE (X) == PLUS ? INTVAL (XEXP (X, 1)) : 0)
 
diff --git a/gcc/config/vx-common.h b/gcc/config/vx-common.h
index 5cc965c..d8f04ec 100644
--- a/gcc/config/vx-common.h
+++ b/gcc/config/vx-common.h
@@ -72,7 +72,6 @@ along with GCC; see the file COPYING3.  If not see
 /* None of these other formats is supported.  */
 #undef DWARF_DEBUGGING_INFO
 #undef DBX_DEBUGGING_INFO
-#undef SDB_DEBUGGING_INFO
 #undef XCOFF_DEBUGGING_INFO
 #undef VMS_DEBUGGING_INFO