Merge updates from trunk.

--HG--
branch : dtrg-buildsystem

Makefile

@@ -63,7 +63,7 @@ include plat/pc86/build.mk
 include plat/cpm/build.mk
 include plat/linux386/build.mk
 include plat/linux68k/build.mk
-include plat/linuxppc/build.mk
+# include plat/linuxppc/build.mk
 
 .PHONY: installables
 installables: $(INSTALLABLES)

h/cgg_cg.h

@@ -39,7 +39,6 @@
 #define DO_TOSTACK	23
 #define DO_KILLREG	24
 #define DO_LABDEF	25
-#define DO_STACKADJUST	26
 
 #ifndef MAXATT
 #define MAXATT TOKENSIZE
@@ -134,7 +133,6 @@ typedef struct exprnode *node_p;
 #define EX_ISROM	44
 #define EX_TOPELTSIZE	45
 #define EX_FALLTHROUGH	46
-#define EX_STACKOFFSET	47
 
 
 typedef struct {        /* to stack coercions */

plat/linux386/descr

@@ -59,7 +59,9 @@ name led
 		(.ocm:{TAIL}={PLATFORMDIR}/liboccam.a) \
 		(.ocm.b.mod.c.p:{TAIL}={PLATFORMDIR}/libc.a) \
 		{FLOATS?} \
-		(.e:{TAIL}={PLATFORMDIR}/libem.a \
+		(.e:{TAIL}={PLATFORMDIR}/liblinux.a \
+		           {PLATFORMDIR}/libem.a \
+		           {PLATFORMDIR}/liblinux.a \
 		           {PLATFORMDIR}/libsys.a \
 		           {PLATFORMDIR}/libend.a)
 	linker

plat/linux386/pmfile

@@ -5,6 +5,7 @@
 local d = ROOTDIR.."plat/linux386/"
 
 include (d.."libsys/pmfile")
+include "plat/linux/liblinux/pmfile"
 
 local bootsector = ackfile {
 	file (d.."boot.s"),
@@ -41,6 +42,7 @@ platform_linux386 = group {
 
 	-- Build the PC standalone syscall library.
 	
+	liblinux,
 	libsys_linux386,
 	bootsector,
 }

plat/linux68k/descr

@@ -69,6 +69,6 @@ name cv
 	from .out
 	to .exe
 	program {EM}/bin/aelflod
-	args 4 1 < >
+	args -m4 -b < >
 	outfile linux68k.exe
 end

plat/linuxppc/descr

@@ -76,6 +76,6 @@ name cv
 	from .out
 	to .exe
 	program {EM}/bin/aelflod
-	args 20 1 < >
+	args -m20 -b < >
 	outfile linuxppc.exe
 end

pmfile

@@ -186,7 +186,7 @@ default = group {
 	
 	platform_pc86,
 	platform_linux386,
-	platform_linuxppc,
+--	platform_linuxppc,
 	platform_linux68k,
 	platform_cpm,
 }

util/amisc/aelflod.c

@@ -32,7 +32,8 @@
 /* Global settings. */
 
 int bigendian = 0;
-int elfmachine;
+int elfabi = 3;                         /* abi = Linux */
+int elfmachine = 3;                     /* machine = EM_386 */
 
 /* Header and section table of an ack object file. */
  
@@ -116,7 +117,7 @@ int follows(struct outsect* pa, struct outsect* pb)
 {
 	/* return 1 if pa follows pb */
  
-	return (pa->os_base == align(pb->os_base+pb->os_size, pa->os_lign));
+	return (pa->os_base >= align(pb->os_base+pb->os_size, pa->os_lign));
 }
 
 /* Writes a byte. */
@@ -276,11 +277,27 @@ int main(int argc, char* argv[])
 	{
 		switch (argv[1][1])
 		{
+			case 'a':
+				elfabi = atoi(&argv[1][2]);
+				break;
+
+			case 'b':
+				bigendian = 1;
+				break;
+
 			case 'h':
-				fprintf(stderr, "%s: Syntax: aelflod [-h] <inputfile> <outputfile>\n",
+				fprintf(stderr, "%s: Syntax: aelflod [-a<number>] [-b] [-h] [-l]\n\t[-m<number>] <inputfile> <outputfile>\n",
 					program);
 				exit(0);
-				
+
+			case 'l':
+				bigendian = 0;
+				break;
+
+			case 'm':
+				elfmachine = atoi(&argv[1][2]);
+				break;
+
 			default:
 			syntaxerror:
 				fatal("syntax error --- try -h for help");
@@ -382,13 +399,13 @@ int main(int argc, char* argv[])
 	emit8(1);                          /* class = ELFCLASS32 */
 	emit8(bigendian ? 2 : 1);          /* endianness */
 	emit8(1);                          /* ELF version */
-	emit8(3);                          /* ABI = Linux */
+	emit8(elfabi);                     /* ABI */
 	emit8(0);                          /* ABI version */
 	emit8(0); emit16(0);               /* padding... */
 	emit32(0);                         /* ...to offset 0x10 */
 	
 	emit16(2);                         /* type = ET_EXEC */
-	emit16(3);                         /* machine = EM_386 */
+	emit16(elfmachine);                /* machine */
 	emit32(1);                         /* ELF version again */
 	emit32(outsect[TEXT].os_base);     /* entry point */
 	emit32(ELF_HEADER_SIZE);           /* program header offset */

util/data/new_table

@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 
 em_table=$1
 h=${2-.}

util/ncgg/cgg.y

@@ -38,7 +38,7 @@ int Xstackflag=0; /* set in coercions, moves, and tests. %1 means something
 		   */
 
 struct varinfo *gen_inst(),*gen_move(),*gen_test(),*gen_preturn(),*gen_tlab();
-struct varinfo *gen_label(), *gen_stackadjust(), *make_erase();
+struct varinfo *gen_label(), *make_erase();
 expr_t make_expr(),ident_expr(),subreg_expr(),tokm_expr(),all_expr();
 expr_t perc_ident_expr(),sum_expr(),regvar_expr();
 
@@ -74,9 +74,9 @@ iocc_t iops[20];
 %token TOPELTSIZE FALLTHROUGH LABELDEF
 %token PROC CALL EXAMPLE
 %token FROM TO
-%token TEST MOVE STACK RETURN STACKADJUST
+%token TEST MOVE STACK RETURN
 %token PATTERNS PAT WITH EXACT KILLS USES REUSING GEN YIELDS LEAVING
-%token DEFINED SAMESIGN SFIT UFIT ROM LOWW HIGHW ISROM STACKOFFSET
+%token DEFINED SAMESIGN SFIT UFIT ROM LOWW HIGHW ISROM
 %token CMPEQ CMPNE CMPLT CMPGT CMPLE CMPGE OR2 AND2 LSHIFT RSHIFT NOT COMP
 %token INREG REGVAR REG_ANY REG_FLOAT REG_LOOP REG_POINTER
 %token <yy_int> ADORNACCESS
@@ -635,8 +635,8 @@ coderule
 			maxempatlen=empatlen;
 		}
 	  patterns
-		{ /* if (!saferulefound)
-			error("Previous rule impossible on empty stack"); */
+		{ if (!saferulefound)
+			error("Previous rule impossible on empty stack");
 		  outpatterns();
 		}
 	| PROC IDENT example
@@ -849,8 +849,6 @@ gen_instruction
 		{ $$ = gen_label($2-1); use_tes++; }
 	| RETURN
 		{ $$ = gen_preturn(); }
-	| STACKADJUST expr
-		{ $$ = gen_stackadjust($2.ex_index); use_noframepointer++; }
 	;
 optstar
 	: /* empty */
@@ -1030,8 +1028,6 @@ expr
 		{ $$ = make_expr(TYPINT,EX_LOWW,$3-1,0); }
 	| HIGHW '(' emarg ')'
 		{ $$ = make_expr(TYPINT,EX_HIGHW,$3-1,0); }
-	| STACKOFFSET '(' ')'
-		{ $$ = make_expr(TYPINT,EX_STACKOFFSET, 0, 0); }
 /* Excluded, because it causes a shift-reduce conflict
    (problems with a tokenset_no followed by an optexpr)
 	| '-' expr %prec UMINUS

util/ncgg/coerc.c

@@ -127,15 +127,6 @@ struct varinfo *gen_preturn() {
 	return(vp);
 }
 
-struct varinfo *gen_stackadjust(int expr) {
-	register struct varinfo *vp;
-
-	NEW(vp,struct varinfo);
-	vp->vi_int[0] = INSSTACKADJUST;
-	vp->vi_int[1] = expr;
-	return(vp);
-}
-
 struct varinfo *gen_tlab(n) {
 	register struct varinfo *vp;
 

util/ncgg/emlookup.c

@@ -10,6 +10,7 @@ static char rcsid[]= "$Id$";
 #include <string.h>
 #include "param.h"
 #include "expr.h"
+#include "extern.h"
 #include <em_spec.h>
 #include <em_flag.h>
 

util/ncgg/error.c

@@ -8,6 +8,8 @@ static char rcsid[]= "$Id$";
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdarg.h>
+#include "extern.h"
 
 int nerrors=0;
 
@@ -24,24 +26,38 @@ goodbye() {
 #endif
 }
 
-/*VARARGS1*/
-fatal(s,a,b,c,d) char *s; {
+void errorv(const char* s, va_list ap)
+{
+	extern int lineno;
+	extern char *filename;
+
+	fprintf(stderr, "\"%s\", line %d:", filename, lineno);
+	vfprintf(stderr, s, ap);
+	fprintf(stderr, "\n");
+	nerrors++;
+}
+
+void fatal(const char* s, ...)
+{
+
+	va_list ap;
+
+	va_start(ap, s);
+	errorv(s, ap);
+	va_end(ap);
 
-	error(s,a,b,c,d);
 	errorexit();
 	goodbye();
 	exit(-1);
 }
 
-/*VARARGS1*/
-error(s,a,b,c,d) char *s; {
-	extern int lineno;
-	extern char *filename;
+void error(const char* s, ...)
+{
+	va_list ap;
 
-	fprintf(stderr,"\"%s\", line %d:",filename,lineno);
-	fprintf(stderr,s,a,b,c,d);
-	fprintf(stderr,"\n");
-	nerrors++;
+	va_start(ap, s);
+	errorv(s, ap);
+	va_end(ap);
 }
 
 #ifndef NDEBUG

util/ncgg/extern.h

@@ -37,7 +37,10 @@ extern int regclass;
 extern int maxtokensize;
 extern int nprocargs, maxprocargs;
 extern int use_tes;
-extern int use_noframepointer;
 
 extern char *mystrcpy();
 extern char *myalloc();
+
+extern void error(const char* s, ...);
+extern void fatal(const char* s, ...);
+

util/ncgg/hall.c

@@ -9,6 +9,7 @@ static char rcsid[]= "$Id$";
 #include "assert.h"
 #include "param.h"
 #include "set.h"
+#include "extern.h"
 #include <stdio.h>
 
 /*

util/ncgg/keywords

@@ -43,8 +43,6 @@ reusing	REUSING
 rom	ROM
 samesign	SAMESIGN
 sfit	SFIT
-stackadjust STACKADJUST
-stackoffset STACKOFFSET
 topeltsize	TOPELTSIZE
 test	TEST
 to	TO

util/ncgg/lookup.c

@@ -9,6 +9,7 @@ static char rcsid[]= "$Id$";
 #include "assert.h"
 #include "param.h"
 #include "lookup.h"
+#include "extern.h"
 
 char *myalloc();
 char *mystrcpy();

util/ncgg/main.c

@@ -8,6 +8,7 @@ static char rcsid[]= "$Id$";
 
 #include <stdlib.h>
 #include <stdio.h>
+#include "extern.h"
 
 char *filename;
 char *beg_sbrk;

util/ncgg/output.c

@@ -12,8 +12,6 @@ int	tabledebug=0;	/* do not generate code for table debugging */
 #endif
 int	verbose=0;	/* print all statistics */
 int	use_tes;	/* use top element size information */
-int use_noframepointer;	/* use stackadjust mechanism to remove requirement
-                           for frame pointer */
 char	*c_file=	"tables.c";
 char	*h_file=	"tables.H";
 char	*cd_file=	"code";
@@ -614,8 +612,6 @@ outdefs() {
 		cdef("TABLEDEBUG",1);
 	if (use_tes)
 		cdef("USE_TES",1);
-	if (use_noframepointer)
-		cdef("USE_NOFRAMEPOINTER",1);
 }
 
 outars() {
@@ -856,11 +852,6 @@ varinfo *kills,*allocates,*generates,*yields,*leaving;
 			codeint(vp->vi_int[1]);
 			codenl();
 			break;
-		case INSSTACKADJUST:
-			code8(DO_STACKADJUST);
-			codeint(vp->vi_int[1]);
-			codenl();
-			break;
 		}
 	}
 	codecoco(cocono);

util/ncgg/pseudo.h

@@ -12,4 +12,3 @@
 #define INSERASE	(-6)
 #define INSREMOVE	(-7)
 #define INSLABDEF	(-8)
-#define INSSTACKADJUST (-9)

util/ncgg/strlookup.c

@@ -7,6 +7,7 @@ static char rcsid[]= "$Id$";
 #endif
 
 #include "param.h"
+#include "extern.h"
 
 int nstrings=0;
 char *l_strings[MAXSTRINGS];

util/ncgg/var.c

@@ -13,6 +13,7 @@ static char rcsid[]= "$Id$";
 #include "set.h"
 #include "instruct.h"
 #include "lookup.h"
+#include "extern.h"
 #include <cgg_cg.h>
 
 int wordsize;