From 7dd4ef3c7c724badfe66a027ea3289d12ec0da46 Mon Sep 17 00:00:00 2001
From: Franciszek Malinka <franciszek.malinka@gmail.com>
Date: Thu, 22 Apr 2021 21:14:19 +0200
Subject: Ostatnie poprawki i testy routera

---
 Semestr 4/ask/lista7/eval.s   | 18 ++++++++++++++++++
 Semestr 4/ask/lista7/wrap.s   | 18 ++++++++++++++++++
 Semestr 4/ask/lista7/zad5.c   | 38 ++++++++++++++++++++++++++++++++++++++
 Semestr 4/ask/lista7/zad5.s   |  0
 Semestr 4/ask/lista7/zad7.cpp | 19 +++++++++++++++++++
 5 files changed, 93 insertions(+)
 create mode 100644 Semestr 4/ask/lista7/eval.s
 create mode 100644 Semestr 4/ask/lista7/wrap.s
 create mode 100644 Semestr 4/ask/lista7/zad5.c
 create mode 100644 Semestr 4/ask/lista7/zad5.s
 create mode 100644 Semestr 4/ask/lista7/zad7.cpp

(limited to 'Semestr 4/ask')

diff --git a/Semestr 4/ask/lista7/eval.s b/Semestr 4/ask/lista7/eval.s
new file mode 100644
index 0000000..f7340a0
--- /dev/null
+++ b/Semestr 4/ask/lista7/eval.s	
@@ -0,0 +1,18 @@
+        .global eval
+
+        .text
+eval:
+        movq %rdi, %rax
+        movq 16(%rsp), %rcx
+        movq 24(%rsp), %rdx
+        movq (%rdx), %rsi
+        movq %rcx, %rdx
+        imulq %rsi, %rdx
+        movq %rdx, (%rdi)
+        movq 8(%rsp), %rdx
+        movq %rdx, %rdi
+        subq %rsi, %rdi
+        movq %rdi, 8(%rax)
+        subq %rcx, %rdx
+        movq %rdx, 16(%rax)
+        ret
\ No newline at end of file
diff --git a/Semestr 4/ask/lista7/wrap.s b/Semestr 4/ask/lista7/wrap.s
new file mode 100644
index 0000000..6f01dfc
--- /dev/null
+++ b/Semestr 4/ask/lista7/wrap.s	
@@ -0,0 +1,18 @@
+        .global wrap
+
+        .text
+wrap:
+        subq $72, %rsp
+        movq %rdx, (%rsp)
+        movq %rsp, %rdx
+        leaq 8(%rsp), %rax
+        pushq %rdx
+        pushq %rsi
+        pushq %rdi
+        movq %rax, %rdi
+        call eval
+        movq 40(%rsp), %rax
+        addq 32(%rsp), %rax
+        imulq 48(%rsp), %rax
+        addq $96, %rsp
+        ret
\ No newline at end of file
diff --git a/Semestr 4/ask/lista7/zad5.c b/Semestr 4/ask/lista7/zad5.c
new file mode 100644
index 0000000..d65cb4f
--- /dev/null
+++ b/Semestr 4/ask/lista7/zad5.c	
@@ -0,0 +1,38 @@
+#include <stdio.h>
+
+typedef struct A {
+  long u[2];
+  long *v;
+} SA;
+
+typedef struct B {
+  long p[2];
+  long q;
+} SB;
+
+SB eval(SA s);
+long wrap(long x, long y, long z);
+
+SB eval_decoded(SA a) {
+  SB ret;
+  ret.p[0] = a.u[1] * (*a.v);
+  ret.p[1] = a.u[0] - (*a.v);
+  ret.q = a.u[0] - a.u[1];
+  return ret;
+}
+
+long wrap_decoded(long x, long y, long z) {
+  SA a;
+  a.v = &z;
+  a.u[0] = x;
+  a.u[1] = y;
+  SB b = eval_decoded(a);
+  long result = (b.p[1] + b.p[0]) * b.q;
+  return result;
+}
+
+int main() {
+  printf("%ld\n", wrap(15, 16, 17));
+  printf("%ld\n", wrap_decoded(15, 16, 17));
+  return 0;
+}
\ No newline at end of file
diff --git a/Semestr 4/ask/lista7/zad5.s b/Semestr 4/ask/lista7/zad5.s
new file mode 100644
index 0000000..e69de29
diff --git a/Semestr 4/ask/lista7/zad7.cpp b/Semestr 4/ask/lista7/zad7.cpp
new file mode 100644
index 0000000..073224f
--- /dev/null
+++ b/Semestr 4/ask/lista7/zad7.cpp	
@@ -0,0 +1,19 @@
+struct Base {
+  Base(int n) : data(n) {}
+  int data;
+  virtual int doit(int n) { return n - data; }
+};
+struct Derived : Base {
+  Derived(int n) : Base(n + 1) {}
+  int doit(int n) { return n * data; }
+};
+
+int doit(Base *bp) {
+  return bp->doit(1);
+}
+
+int main(int argc, char *argv[]) {
+  Base b = Base(10);
+  Derived d = Derived(20);
+  return doit(&b) + doit(&d);
+}
\ No newline at end of file
-- 
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