From: Bernhard Urban <lewurm@gmail.com>
Date: Tue, 2 Mar 2010 21:21:19 +0000 (+0100)
Subject: asmb: pernors modifizierter asmb test aus infforum
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=uebersetzerbau-ss10.git;a=commitdiff_plain;h=8c745a62aa810240f4a5db3bababcdb381ae99ca

asmb: pernors modifizierter asmb test aus infforum
---

diff --git a/asmb/README b/asmb/README
new file mode 100644
index 0000000..90a5448
--- /dev/null
+++ b/asmb/README
@@ -0,0 +1,7 @@
+the mysterious mr. ubvl presents
+
+the asmb benchmark:
+unpack somewhere,
+./test.sh
+compare your instruction count to that of your colleagues. the smaller, the
+better. you can see what instructions were executed by looking at the trace.
diff --git a/asmb/dumpinstr.sh b/asmb/dumpinstr.sh
new file mode 100755
index 0000000..abff42d
--- /dev/null
+++ b/asmb/dumpinstr.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+if [ $# -lt 2 ]; then
+	echo "usage: $0 <executable> <method> <args>"
+	echo "will produce <executable>.trace"
+fi
+
+EXECFILE=$1
+EXECMETHOD=$2
+
+shift 2
+
+cat <<END > $EXECFILE.tmp
+
+set step-mode on
+
+file $EXECFILE
+break $EXECMETHOD
+
+run $*
+
+while 1==1
+
+if \$pc != \$pc
+printf "==== ?\\n"
+end
+
+printf "\\n====BEGIN $EXECMETHOD\\n"
+
+printf "==== "
+x/i \$pc
+
+up
+set \$nfp = \$fp
+down
+
+while \$fp != \$nfp
+stepi
+printf "==== "
+x/i \$pc
+end
+
+printf "\\n====END $EXECMETHOD\\n"
+
+continue
+
+end
+
+quit
+
+END
+
+gdb < $EXECFILE.tmp > $EXECFILE.trace 
+
+mv $EXECFILE.trace $EXECFILE.output
+
+awk -- '\
+/^====BEGIN/ {ll = ("begin " $2);} \
+/^==== / {print ll; ll = (" " substr($0, 5));} \
+/^====END/ {print "end", $2;}
+' $EXECFILE.output > $EXECFILE.trace
+
+echo instructions: `grep "^  " $EXECFILE.trace | wc -l`
+echo trace output: $EXECFILE.trace
+
+#rm $EXECFILE.tmp $EXECFILE.output
diff --git a/asmb/main.c b/asmb/main.c
old mode 100644
new mode 100755
index b63e8df..89e585b
--- a/asmb/main.c
+++ b/asmb/main.c
@@ -2,65 +2,79 @@
 #include <stdlib.h>
 #include <string.h>
 
-extern unsigned char *asmb(unsigned char *s);
+extern unsigned char *asmb(unsigned char *a);
 
 unsigned char *asmb_ref(unsigned char *s)
 {
 	unsigned long i;
 	for (i=0; s[i]; i++) {
-		unsigned char c = s[i];
-		c += (c >= 'A' && c <= 'Z') ? 'a'-'A' : 0;
+		unsigned char c=s[i];
+		c += (c>='A' && c<='Z') ? 'a'-'A' : 0;
 		s[i] = c;
 	}
 	return s;
 }
 
-int main(int argc, char **argv) {
-	char *input1[]={"asdfA\0BCDEFGHKL5", "foofuuMUHkk\0AAAA", 
-					"AbC\0AAAAAAAAAAAA", "BLA|MUHMKUH|KAA\0", 
-					"ASDFASDFasdfasdfaBC\0AAAABBBBCCCC",
-					"ASDFASDFasdfasdfaBC0AAAABBBBCCCCmuhKA\0asASDFasdf"
-					/*      8      16  20  24  28  32  36   40      48 */
-					};
-	int len[] = {16,16,
-				16,16,
-				32,
-				48};
-	char *output1;
-	char *output2;
-	char *input2;
-	char *input3;
-	int i, j;
+#define NUM_TESTCASES 12
+int main() {
+	char *input[NUM_TESTCASES]={"asdfABCDEFGHKL54", 
+		"foofuuMUHkk", 
+		"AbC", 
+		"BLA|MUHMKUH|KA", 
+		"ASDFNERABHDFKHDFKLGJAHGLKAHGLKASHGEARNAKLVNLVAANLSADJVHASDLGH", 
+		"asdfABCDEFGHKL544", 
+		"asdfA\0BCDEFGHKL5", 
+		"foofuuMUHkk\0AAAA", 
+		"AbC\0AAAAAAAAAAAA", 
+		"BLA|MUHMKUH|KAA\0", 
+		"ASDFASDFasdfasdfaBC\0AAAABBBBCCCC", 
+		"ASDFASDFasdfasdfaBC0AAAABBBBCCCCmuhKA\0asASDFasdf" 
+	};
+	int len[NUM_TESTCASES] = {16,
+		11,
+		3,
+		14,
+		60,
+		17,
+		16,
+		16,
+		16,
+		16,
+		32,
+		48
+	};
+	char *output_our, *output_ref;
+	char *input_our,  *input_ref;
 
-	for(i = 0; i < 6; i++) {
-		input2 = strdup(input1[i]);
-		input3 = strdup(input1[i]);
-		output1 = (char *)asmb_ref((unsigned char *)(input2));
-		output2 = (char *)asmb((unsigned char *)(input3));
+	int i,j;
+	for(i = 0; i < NUM_TESTCASES; i++) {
+		input_our = strndup(input[i], len[i]);
+		input_ref = strndup(input[i], len[i]);
 
-		printf("\n");
-#if 0
-		if(memcmp(output1,output2, len[i])) {
-#else
-		if(strncmp(output1,output2, len[i])) {
-#endif
-			j = 0;
-			printf("Testfall falsch; Input war: \"%s\"\n", input1[i]);
-			printf("erwartet:\n\t\"%s\"\ntatsaechliches Ergebnis:\n\t\"%s\"\n", output1, output2);
-#if 0
-			printf("0x");
-			for(j = 0; j < 16; j++)
-				printf("%02X", output2[j]);
+		output_our = asmb(input_our);
+		output_ref = asmb_ref(input_ref);
+		if(memcmp(output_our,output_ref, len[i]) != 0) {
+			printf("Testfall falsch! \n Input: \n");
+			for(j = 0; j <= len[i]; j++) {
+				printf("%02X ",input[j]);
+			}
+			printf("\nerwartet: \n");
+			for(j = 0; j <= len[i]; j++) {
+				printf("%02X ",output_ref[j]);
+			}
+			printf("\ntatsaechliches Ergebnis: \n");
+			for(j = 0; j <= len[i]; j++) {
+				printf("%02X ",output_our[j]);
+			}
 			printf("\n");
-#endif
-		} else {
-			printf("Testfall \"%s\" passt.\n", output1);
 		}
-
-		free(input2);
-		free(input3);
+		else {
+			printf("Testfall korrekt\n");
+		}
+		free(input_our);
+		free(input_ref);
 	}
-
 	return 0;
 }
 
+
diff --git a/asmb/test.sh b/asmb/test.sh
new file mode 100755
index 0000000..9140956
--- /dev/null
+++ b/asmb/test.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+gcc -O -g -o asmbtest asmbtest.c asmb.o
+./dumpinstr.sh asmbtest asmb
+rm -f asmbtest