From 8201b7c5473c0ac1e9cc0ac60df73dbecb84758e Mon Sep 17 00:00:00 2001
From: Bernhard Urban <lewurm@gmail.com>
Date: Fri, 26 Feb 2010 16:14:13 +0100
Subject: [PATCH] asma: erstes geruest

---
 asma/Makefile   | 15 ++++++++++++++
 asma/asma.s     | 40 +++++++++++++++++++++++++++++++++++++
 asma/asma_ref.s | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
 asma/main.c     | 47 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 154 insertions(+)
 create mode 100755 asma/Makefile
 create mode 100644 asma/asma.s
 create mode 100644 asma/asma_ref.s
 create mode 100644 asma/main.c

diff --git a/asma/Makefile b/asma/Makefile
new file mode 100755
index 0000000..0308c8b
--- /dev/null
+++ b/asma/Makefile
@@ -0,0 +1,15 @@
+all: asma.o
+
+asma.o: asma.s
+	gcc -c -o asma.o asma.s
+
+.PHONY: clean
+clean:
+	rm -f asma.o asma
+
+test1: all
+	gcc -pedantic -ansi -Wall -g -o asma asma.s main.c -D_GNU_SOURCE
+
+test2:
+	/usr/ftp/pub/ublu/test/asma/test
+
diff --git a/asma/asma.s b/asma/asma.s
new file mode 100644
index 0000000..275e847
--- /dev/null
+++ b/asma/asma.s
@@ -0,0 +1,40 @@
+	.file	"asma.c"
+	.text
+.globl asma
+	.type	asma, @function
+asma:
+.LFB2:
+	movq	%rdi, %rax
+	ret
+.LFE2:
+	.size	asma, .-asma
+	.section	.eh_frame,"a",@progbits
+.Lframe1:
+	.long	.LECIE1-.LSCIE1
+.LSCIE1:
+	.long	0x0
+	.byte	0x1
+	.string	"zR"
+	.uleb128 0x1
+	.sleb128 -8
+	.byte	0x10
+	.uleb128 0x1
+	.byte	0x3
+	.byte	0xc
+	.uleb128 0x7
+	.uleb128 0x8
+	.byte	0x90
+	.uleb128 0x1
+	.align 8
+.LECIE1:
+.LSFDE1:
+	.long	.LEFDE1-.LASFDE1
+.LASFDE1:
+	.long	.LASFDE1-.Lframe1
+	.long	.LFB2
+	.long	.LFE2-.LFB2
+	.uleb128 0x0
+	.align 8
+.LEFDE1:
+	.ident	"GCC: (Debian 4.3.2-1.1) 4.3.2"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/asma/asma_ref.s b/asma/asma_ref.s
new file mode 100644
index 0000000..1480455
--- /dev/null
+++ b/asma/asma_ref.s
@@ -0,0 +1,52 @@
+	.file	"asma_ref.c"
+	.text
+.globl asma_ref
+	.type	asma_ref, @function
+asma_ref:
+.LFB2:
+	movl	$0, %ecx
+.L4:
+	movzbl	(%rdi,%rcx), %edx
+	leal	-65(%rdx), %eax
+	cmpb	$26, %al
+	sbbl	%eax, %eax
+	andl	$32, %eax
+	addl	%edx, %eax
+	movb	%al, (%rdi,%rcx)
+	addq	$1, %rcx
+	cmpq	$16, %rcx
+	jne	.L4
+	movq	%rdi, %rax
+	ret
+.LFE2:
+	.size	asma_ref, .-asma_ref
+	.section	.eh_frame,"a",@progbits
+.Lframe1:
+	.long	.LECIE1-.LSCIE1
+.LSCIE1:
+	.long	0x0
+	.byte	0x1
+	.string	"zR"
+	.uleb128 0x1
+	.sleb128 -8
+	.byte	0x10
+	.uleb128 0x1
+	.byte	0x3
+	.byte	0xc
+	.uleb128 0x7
+	.uleb128 0x8
+	.byte	0x90
+	.uleb128 0x1
+	.align 8
+.LECIE1:
+.LSFDE1:
+	.long	.LEFDE1-.LASFDE1
+.LASFDE1:
+	.long	.LASFDE1-.Lframe1
+	.long	.LFB2
+	.long	.LFE2-.LFB2
+	.uleb128 0x0
+	.align 8
+.LEFDE1:
+	.ident	"GCC: (Debian 4.3.2-1.1) 4.3.2"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/asma/main.c b/asma/main.c
new file mode 100644
index 0000000..4c290ab
--- /dev/null
+++ b/asma/main.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+extern unsigned char *asma(unsigned char *s);
+
+unsigned char *asma_ref(unsigned char *s)
+{
+	int i;
+	for (i=0; i<16; i++) {
+		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[]={"asdfABCDEFGHKL54", "foofuuMUHkk"};
+	char *output1;
+	char *output2;
+	char *input2;
+	char *input3;
+	int i;
+
+	for(i = 0; i < 2; i++) {
+		input2 = strdup(input1[i]);
+		input3 = strdup(input1[i]);
+		output1 = (unsigned char*) asma_ref((unsigned char *)(input2));
+		output2 = (unsigned char*) asma((unsigned char *)(input3));
+
+		output1[16]='\0';
+		output2[16]='\0';
+
+		if(memcmp(output1,output2, 16)) {
+			printf("Testfall falsch; erwartet:\n\t\"%s\"\ntatsaechliches Ergebnis:\n\t\"%s\"\n", output1, output2);
+		} else {
+			printf("Testfall \"%s\" passt.\n", output1);
+		}
+
+		free(input2);
+		free(input3);
+	}
+
+	return 0;
+}
+
-- 
2.25.1