Add ATTRIBUTE_NORETURN in a bunch of places:

	* cppalloc.c (memory_full): Mark function prototype with
	ATTRIBUTE_NORETURN.
	* demangle.h (collect_exit): Likewise.
	* fix-header.c (v_fatal, fatal): Likewise.
	* gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
	Likewise.
	* gcov.c (print_usage): Likewise.
	* genattr.c (fatal, fancy_abort): Likewise.
	* genattrtab.c (fatal, fancy_abort): Likewise.
	* gencodes.c (fatal, fancy_abort): Likewise.
	* genconfig.c (fatal, fancy_abort): Likewise.
	* genemit.c (fatal, fancy_abort): Likewise.
	* genextract.c (fatal, fancy_abort): Likewise.
	* genflags.c (fatal, fancy_abort): Likewise.
	* genopinit.c (fatal, fancy_abort): Likewise.
	* genoutput.c (fatal, fancy_abort): Likewise.
	* genpeep.c (fatal, fancy_abort): Likewise.
	* genrecog.c (fatal, fancy_abort): Likewise.
	* libgcc2.c (__eprintf, __default_terminate, __sjthrow,
	__sjpopnthrow, __throw): Likewise.
	* objc/objc-act.c (objc_fatal): Likewise.
	* protoize.c (usage, aux_info_corrupted,
	declare_source_confusing): Likewise.
	* rtl.c (dump_and_abort): Likewise.
	* rtl.h (sets_cc0_p): Likewise.
	* toplev.c (float_signal, pipe_closed): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@23084 138bc75d-0d04-0410-961f-82ee72b054a4

23 files changed, 118 insertions, 34 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c5686762464..3fa3e53946f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,53 @@
+Wed Oct 14 13:26:05 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* cppalloc.c (memory_full): Mark function prototype with
+	ATTRIBUTE_NORETURN.
+
+	* demangle.h (collect_exit): Likewise.
+
+	* fix-header.c (v_fatal, fatal): Likewise.
+
+	* gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
+	Likewise.
+
+	* gcov.c (print_usage): Likewise.
+
+	* genattr.c (fatal, fancy_abort): Likewise.
+
+	* genattrtab.c (fatal, fancy_abort): Likewise.
+
+	* gencodes.c (fatal, fancy_abort): Likewise.
+
+	* genconfig.c (fatal, fancy_abort): Likewise.
+
+	* genemit.c (fatal, fancy_abort): Likewise.
+
+	* genextract.c (fatal, fancy_abort): Likewise.
+
+	* genflags.c (fatal, fancy_abort): Likewise.
+
+	* genopinit.c (fatal, fancy_abort): Likewise.
+
+	* genoutput.c (fatal, fancy_abort): Likewise.
+
+	* genpeep.c (fatal, fancy_abort): Likewise.
+
+	* genrecog.c (fatal, fancy_abort): Likewise.
+
+	* libgcc2.c (__eprintf, __default_terminate, __sjthrow,
+	__sjpopnthrow, __throw): Likewise.
+
+	* objc/objc-act.c (objc_fatal): Likewise.
+
+	* protoize.c (usage, aux_info_corrupted,
+	declare_source_confusing): Likewise.
+
+	* rtl.c (dump_and_abort): Likewise.
+
+	* rtl.h (sets_cc0_p): Likewise.
+
+	* toplev.c (float_signal, pipe_closed): Likewise.
+	
 1998-10-14  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>
 
 	* dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
diff --git a/gcc/cppalloc.c b/gcc/cppalloc.c
index bd3a6051971..8f77cc7025b 100644
--- a/gcc/cppalloc.c
+++ b/gcc/cppalloc.c
@@ -27,6 +27,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #include "gansidecl.h"
 #include "cpplib.h"
 
+static void memory_full PROTO ((void)) ATTRIBUTE_NORETURN;
+
 static void
 memory_full ()
 {
diff --git a/gcc/demangle.h b/gcc/demangle.h
index 1e1e705512a..9fdd80df95e 100644
--- a/gcc/demangle.h
+++ b/gcc/demangle.h
@@ -94,7 +94,7 @@ extern void
 collect_execute PARAMS ((char *, char **, char *));
 
 extern void
-collect_exit PARAMS ((int));
+collect_exit PARAMS ((int)) ATTRIBUTE_NORETURN;
 
 extern int
 collect_wait PARAMS ((char *));
diff --git a/gcc/fix-header.c b/gcc/fix-header.c
index 698c69de80b..ffeede58362 100644
--- a/gcc/fix-header.c
+++ b/gcc/fix-header.c
@@ -78,7 +78,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "cpplib.h"
 #include "cpphash.h"
 
-void fatal PVPROTO ((const char *, ...)) ATTRIBUTE_PRINTF_1;
+static void v_fatal PROTO ((const char *, va_list)) ATTRIBUTE_NORETURN;
+void fatal PVPROTO ((const char *, ...)) ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
 
 sstring buf;
 
diff --git a/gcc/gcc.c b/gcc/gcc.c
index b9740129884..47a2362682d 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -235,14 +235,14 @@ static int used_arg		PROTO((char *, int));
 static int default_arg		PROTO((char *, int));
 static void set_multilib_dir	PROTO((void));
 static void print_multilib_info	PROTO((void));
-static void pfatal_with_name	PROTO((char *));
+static void pfatal_with_name	PROTO((char *)) ATTRIBUTE_NORETURN;
 static void perror_with_name	PROTO((char *));
-static void pfatal_pexecute	PROTO((char *, char *));
-static void fatal		PVPROTO((char *, ...));
+static void pfatal_pexecute	PROTO((char *, char *)) ATTRIBUTE_NORETURN;
+static void fatal		PVPROTO((char *, ...)) ATTRIBUTE_NORETURN;
 static void error		PVPROTO((char *, ...));
 static void display_help 	PROTO((void));
 
-void fancy_abort ();
+void fancy_abort		PROTO((void)) ATTRIBUTE_NORETURN;
 char *xmalloc ();
 char *xrealloc ();
 
diff --git a/gcc/gcov.c b/gcc/gcov.c
index 4fecf0012eb..bbf91127f43 100644
--- a/gcc/gcov.c
+++ b/gcc/gcov.c
@@ -218,7 +218,7 @@ static void open_files PROTO ((void));
 static void read_files PROTO ((void));
 static void scan_for_source_files PROTO ((void));
 static void output_data PROTO ((void));
-static void print_usage PROTO ((void));
+static void print_usage PROTO ((void)) ATTRIBUTE_NORETURN;
 char * xmalloc ();
 
 int
diff --git a/gcc/genattr.c b/gcc/genattr.c
index 191e27486c5..9c062b5d112 100644
--- a/gcc/genattr.c
+++ b/gcc/genattr.c
@@ -32,8 +32,9 @@ struct obstack *rtl_obstack = &obstack;
 #define obstack_chunk_free free
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 /* Define this so we can link with print-rtl.o to get debug_rtx function.  */
 char **insn_name_ptr = 0;
diff --git a/gcc/genattrtab.c b/gcc/genattrtab.c
index 40bb38ba03c..593fb26da14 100644
--- a/gcc/genattrtab.c
+++ b/gcc/genattrtab.c
@@ -119,8 +119,9 @@ struct obstack *temp_obstack = &obstack2;
 /* Define this so we can link with print-rtl.o to get debug_rtx function.  */
 char **insn_name_ptr = 0;
 
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 /* enough space to reserve for printing out ints */
 #define MAX_DIGITS (HOST_BITS_PER_INT * 3 / 10 + 3)
diff --git a/gcc/gencodes.c b/gcc/gencodes.c
index 725cc651e69..429e4635f4d 100644
--- a/gcc/gencodes.c
+++ b/gcc/gencodes.c
@@ -34,8 +34,9 @@ struct obstack *rtl_obstack = &obstack;
 #define obstack_chunk_free free
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 /* Define this so we can link with print-rtl.o to get debug_rtx function.  */
 char **insn_name_ptr = 0;
diff --git a/gcc/genconfig.c b/gcc/genconfig.c
index 75693c1fb65..3e070a99f9c 100644
--- a/gcc/genconfig.c
+++ b/gcc/genconfig.c
@@ -50,8 +50,9 @@ static int clobbers_seen_this_insn;
 static int dup_operands_seen_this_insn;
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 static void walk_insn_part PROTO((rtx, int, int));
 static void gen_insn PROTO((rtx));
diff --git a/gcc/genemit.c b/gcc/genemit.c
index d13ff5e35b2..c9e2836cc5a 100644
--- a/gcc/genemit.c
+++ b/gcc/genemit.c
@@ -31,8 +31,9 @@ struct obstack *rtl_obstack = &obstack;
 #define obstack_chunk_free free
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 /* Define this so we can link with print-rtl.o to get debug_rtx function.  */
 char **insn_name_ptr = 0;
diff --git a/gcc/genextract.c b/gcc/genextract.c
index 6b64077c026..991d1d0a5e5 100644
--- a/gcc/genextract.c
+++ b/gcc/genextract.c
@@ -100,10 +100,11 @@ static void walk_rtx PROTO ((rtx, char *));
 static void print_path PROTO ((char *));
 char *xmalloc PROTO ((unsigned));
 char *xrealloc PROTO ((char *, unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
 static char *copystr PROTO ((char *));
 static void mybzero ();
-void fancy_abort PROTO ((void));
+void fancy_abort PROTO ((void)) ATTRIBUTE_NORETURN;
 
 static void
 gen_insn (insn)
diff --git a/gcc/genflags.c b/gcc/genflags.c
index dee8128a9c2..c9214abdc9c 100644
--- a/gcc/genflags.c
+++ b/gcc/genflags.c
@@ -34,8 +34,9 @@ struct obstack *rtl_obstack = &obstack;
 #define obstack_chunk_free free
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 /* Names for patterns.  Need to allow linking with print-rtl.  */
 char **insn_name_ptr;
diff --git a/gcc/genopinit.c b/gcc/genopinit.c
index f0b57bb9be9..c8d7859e978 100644
--- a/gcc/genopinit.c
+++ b/gcc/genopinit.c
@@ -31,8 +31,9 @@ struct obstack *rtl_obstack = &obstack;
 #define obstack_chunk_free free
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 /* Many parts of GCC use arrays that are indexed by machine mode and
    contain the insn codes for pattern in the MD file that perform a given
diff --git a/gcc/genoutput.c b/gcc/genoutput.c
index 400a8be442b..89a37df080a 100644
--- a/gcc/genoutput.c
+++ b/gcc/genoutput.c
@@ -108,8 +108,9 @@ struct obstack *rtl_obstack = &obstack;
 #define obstack_chunk_free free
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 static void error PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
 static void mybcopy ();
 static void mybzero ();
diff --git a/gcc/genpeep.c b/gcc/genpeep.c
index 99fcec54ce5..076f7603560 100644
--- a/gcc/genpeep.c
+++ b/gcc/genpeep.c
@@ -47,8 +47,9 @@ struct link
 };
 
 char *xmalloc PROTO((unsigned));
-static void fatal PVPROTO ((char *, ...)) ATTRIBUTE_PRINTF_1;
-void fancy_abort PROTO((void));
+static void fatal PVPROTO ((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
+void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN;
 
 static int max_opno;
 
diff --git a/gcc/genrecog.c b/gcc/genrecog.c
index 6ea513c6547..5c1046a6b24 100644
--- a/gcc/genrecog.c
+++ b/gcc/genrecog.c
@@ -191,10 +191,11 @@ static void change_state	PROTO((char *, char *, int));
 static char *copystr		PROTO((char *));
 static void mybzero		PROTO((char *, unsigned));
 static void mybcopy		PROTO((char *, char *, unsigned));
-static void fatal		PVPROTO((char *, ...)) ATTRIBUTE_PRINTF_1;
+static void fatal		PVPROTO((char *, ...))
+  ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN;
 char *xrealloc			PROTO((char *, unsigned));
 char *xmalloc			PROTO((unsigned));
-void fancy_abort		PROTO((void));
+void fancy_abort		PROTO((void)) ATTRIBUTE_NORETURN;
 
 /* Construct and return a sequence of decisions
    that will recognize INSN.
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c
index 586aa2c7a6d..09e3c7143ea 100644
--- a/gcc/libgcc2.c
+++ b/gcc/libgcc2.c
@@ -1403,6 +1403,9 @@ __builtin_saveregs ()
 #undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch.  */
 #include <stdio.h>
 /* This is used by the `assert' macro.  */
+extern void __eprintf (const char *, const char *, unsigned int, const char *)
+  __attribute__ ((__noreturn__));
+
 void
 __eprintf (const char *string, const char *expression,
 	   unsigned int line, const char *filename)
@@ -3023,6 +3026,8 @@ int atexit (func_ptr func)
 
 /* Shared exception handling support routines.  */
 
+extern void __default_terminate (void) __attribute__ ((__noreturn__));
+
 void
 __default_terminate ()
 {
@@ -3226,6 +3231,8 @@ __get_dynamic_handler_chain ()
    dynamic handler chain, and use longjmp to transfer back to the associated
    handler.  */
 
+extern void __sjthrow (void) __attribute__ ((__noreturn__));
+
 void
 __sjthrow ()
 {
@@ -3302,6 +3309,8 @@ __sjthrow ()
    then throw.  This is used to skip the first handler, and transfer
    control to the next handler in the dynamic handler stack.  */
 
+extern void __sjpopnthrow (void) __attribute__ ((__noreturn__));
+
 void
 __sjpopnthrow ()
 {
@@ -3628,6 +3637,8 @@ next_stack_level (void *pc, frame_state *udata, frame_state *caller_udata)
    If we find one, then we unwind the frames down to the one that
    has the handler and transfer control into the handler.  */
 
+extern void __throw(void) __attribute__ ((__noreturn__));
+
 void
 __throw ()
 {
diff --git a/gcc/objc/objc-act.c b/gcc/objc/objc-act.c
index 94c10bcd229..9f8bc51a21a 100644
--- a/gcc/objc/objc-act.c
+++ b/gcc/objc/objc-act.c
@@ -284,7 +284,8 @@ static void dump_interface			PROTO((FILE *, tree));
 
 /* Everything else.  */
 
-static void objc_fatal				PROTO((void));
+static void objc_fatal				PROTO((void))
+  ATTRIBUTE_NORETURN;
 static tree define_decl				PROTO((tree, tree));
 static tree lookup_method_in_protocol_list	PROTO((tree, tree, int));
 static tree lookup_protocol_in_reflist		PROTO((tree, tree));
diff --git a/gcc/protoize.c b/gcc/protoize.c
index 73d8caba390..3ba8b96be8b 100644
--- a/gcc/protoize.c
+++ b/gcc/protoize.c
@@ -121,6 +121,10 @@ extern int pwait PROTO ((int, int *, int));
 #define PEXECUTE_LAST   2
 #define PEXECUTE_SEARCH 4
 
+static void usage PROTO ((void)) ATTRIBUTE_NORETURN;
+static void aux_info_corrupted PROTO ((void)) ATTRIBUTE_NORETURN;
+static void declare_source_confusing PROTO ((const char *)) ATTRIBUTE_NORETURN;
+
 /* Aliases for pointers to void.
    These were made to facilitate compilation with old brain-dead DEC C
    compilers which didn't properly grok `void*' types.  */
diff --git a/gcc/rtl.c b/gcc/rtl.c
index 1929459a8ff..2201c408d33 100644
--- a/gcc/rtl.c
+++ b/gcc/rtl.c
@@ -195,7 +195,7 @@ char *reg_note_name[] = { "", "REG_DEAD", "REG_INC", "REG_EQUIV", "REG_WAS_0",
 			  "REG_BR_PRED", "REG_EH_CONTEXT",
 			  "REG_FRAME_RELATED_EXPR" };
 
-static void dump_and_abort	PROTO((int, int, FILE *));
+static void dump_and_abort	PROTO((int, int, FILE *)) ATTRIBUTE_NORETURN;
 static void read_name		PROTO((char *, FILE *));
 
 /* Allocate an rtx vector of N elements.
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 3c78edc4277..7a0259305c3 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -1242,7 +1242,11 @@ extern void cse_end_of_basic_block	PROTO ((rtx,
 extern int comparison_dominates_p	PROTO ((enum rtx_code, enum rtx_code));
 extern int condjump_p			PROTO ((rtx));
 extern int simplejump_p			PROTO ((rtx));
-extern int sets_cc0_p			PROTO ((rtx));
+extern int sets_cc0_p			PROTO ((rtx))
+#ifndef HAVE_cc0
+  ATTRIBUTE_NORETURN
+#endif
+  ;
 extern int invert_jump			PROTO ((rtx, rtx));
 extern int rtx_renumbered_equal_p	PROTO ((rtx, rtx));
 extern int true_regnum			PROTO ((rtx));
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 8e777b18ccc..23428abbf6b 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -195,8 +195,8 @@ static void v_pedwarn_with_decl PROTO((tree, char *, va_list));
 static void v_pedwarn_with_file_and_line PROTO((char *, int, char *, va_list));
 static void vsorry PROTO((char *, va_list));
 static void v_really_sorry PROTO((char *, va_list)) ATTRIBUTE_NORETURN;
-static void float_signal PROTO((int));
-static void pipe_closed PROTO((int));
+static void float_signal PROTO((int)) ATTRIBUTE_NORETURN;
+static void pipe_closed PROTO((int)) ATTRIBUTE_NORETURN;
 static void output_lang_identify PROTO((FILE *));
 static void open_dump_file PROTO((char *, char *));
 static void close_dump_file PROTO((void (*) (FILE *, rtx), rtx));