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authorFranciszek Malinka <franciszek.malinka@gmail.com>2021-05-06 14:28:59 +0200
committerFranciszek Malinka <franciszek.malinka@gmail.com>2021-05-06 14:28:59 +0200
commitf0bd9763ea4be22f0f235c0f3aa6628944a56c7e (patch)
treec12c047b441bdc520740643e549bd90624601fe8 /Semestr 4/ask
parentf31c5fa59ee3afafc66bfb53c159eff301b537af (diff)
Aktualizacja
Diffstat (limited to 'Semestr 4/ask')
-rw-r--r--Semestr 4/ask/lista7/zad7.ll174
-rwxr-xr-xSemestr 4/ask/lista8/._lista_8bin0 -> 212 bytes
-rw-r--r--Semestr 4/ask/lista8/ask21_lista_8.tgzbin0 -> 2136 bytes
-rw-r--r--Semestr 4/ask/lista8/bar.c5
-rw-r--r--Semestr 4/ask/lista8/even.c8
-rw-r--r--Semestr 4/ask/lista8/foo.c5
-rw-r--r--Semestr 4/ask/lista8/lazy.c7
-rw-r--r--Semestr 4/ask/lista8/main.lds39
-rw-r--r--Semestr 4/ask/lista8/merge-1.map300
-rw-r--r--Semestr 4/ask/lista8/merge-2.map301
-rw-r--r--Semestr 4/ask/lista8/mismatch-a.c7
-rw-r--r--Semestr 4/ask/lista8/mismatch-b.c8
-rw-r--r--Semestr 4/ask/lista8/odd.c8
-rw-r--r--Semestr 4/ask/lista8/relo3.c15
-rw-r--r--Semestr 4/ask/lista8/start.c8
-rw-r--r--Semestr 4/ask/lista8/str-a.c10
-rw-r--r--Semestr 4/ask/lista8/str-b.c9
-rw-r--r--Semestr 4/ask/lista8/swap.c18
-rw-r--r--Semestr 4/ask/lista9/gadget.s16
-rw-r--r--Semestr 4/ask/lista9/lazy.c7
-rw-r--r--Semestr 4/ask/lista9/lista_9.tgzbin0 -> 1278 bytes
-rw-r--r--Semestr 4/ask/lista9/relo3.c15
-rw-r--r--Semestr 4/ask/lista9/ropex.c31
-rw-r--r--Semestr 4/ask/lista9/ropex.in (1).txt7
-rw-r--r--Semestr 4/ask/lista9/ropex.in.txt7
-rw-r--r--Semestr 4/ask/lista9/ropex.map511
-rw-r--r--Semestr 4/ask/lista9/test.c7
-rw-r--r--Semestr 4/ask/lista9/test.s50
28 files changed, 1573 insertions, 0 deletions
diff --git a/Semestr 4/ask/lista7/zad7.ll b/Semestr 4/ask/lista7/zad7.ll
new file mode 100644
index 0000000..a99e8d8
--- /dev/null
+++ b/Semestr 4/ask/lista7/zad7.ll
@@ -0,0 +1,174 @@
+; ModuleID = 'zad7.cpp'
+source_filename = "zad7.cpp"
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-linux-gnu"
+
+%struct.Base = type <{ i32 (...)**, i32, [4 x i8] }>
+%struct.Derived = type { %struct.Base.base, [4 x i8] }
+%struct.Base.base = type <{ i32 (...)**, i32 }>
+
+$_ZN4BaseC1Ei = comdat any
+
+$_ZN7DerivedC1Ei = comdat any
+
+$_ZN4BaseC2Ei = comdat any
+
+$_ZN4Base4doitEi = comdat any
+
+$_ZN7DerivedC2Ei = comdat any
+
+$_ZN7Derived4doitEi = comdat any
+
+$_ZTV4Base = comdat any
+
+$_ZTS4Base = comdat any
+
+$_ZTI4Base = comdat any
+
+$_ZTV7Derived = comdat any
+
+$_ZTS7Derived = comdat any
+
+$_ZTI7Derived = comdat any
+
+@_ZTV4Base = linkonce_odr unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI4Base to i8*), i8* bitcast (i32 (%struct.Base*, i32)* @_ZN4Base4doitEi to i8*)] }, comdat, align 8
+@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
+@_ZTS4Base = linkonce_odr constant [6 x i8] c"4Base\00", comdat, align 1
+@_ZTI4Base = linkonce_odr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @_ZTS4Base, i32 0, i32 0) }, comdat, align 8
+@_ZTV7Derived = linkonce_odr unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8*, i8* }* @_ZTI7Derived to i8*), i8* bitcast (i32 (%struct.Derived*, i32)* @_ZN7Derived4doitEi to i8*)] }, comdat, align 8
+@_ZTVN10__cxxabiv120__si_class_type_infoE = external global i8*
+@_ZTS7Derived = linkonce_odr constant [9 x i8] c"7Derived\00", comdat, align 1
+@_ZTI7Derived = linkonce_odr constant { i8*, i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv120__si_class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([9 x i8], [9 x i8]* @_ZTS7Derived, i32 0, i32 0), i8* bitcast ({ i8*, i8* }* @_ZTI4Base to i8*) }, comdat, align 8
+
+; Function Attrs: noinline nounwind optnone
+define i32 @_Z4doitP4Base(%struct.Base* %bp) #0 {
+entry:
+ %bp.addr = alloca %struct.Base*, align 8
+ store %struct.Base* %bp, %struct.Base** %bp.addr, align 8
+ %0 = load %struct.Base*, %struct.Base** %bp.addr, align 8
+ %1 = bitcast %struct.Base* %0 to i32 (%struct.Base*, i32)***
+ %vtable = load i32 (%struct.Base*, i32)**, i32 (%struct.Base*, i32)*** %1, align 8
+ %vfn = getelementptr inbounds i32 (%struct.Base*, i32)*, i32 (%struct.Base*, i32)** %vtable, i64 0
+ %2 = load i32 (%struct.Base*, i32)*, i32 (%struct.Base*, i32)** %vfn, align 8
+ %call = call i32 %2(%struct.Base* %0, i32 1)
+ ret i32 %call
+}
+
+; Function Attrs: noinline norecurse nounwind optnone
+define i32 @main(i32 %argc, i8** %argv) #1 {
+entry:
+ %retval = alloca i32, align 4
+ %argc.addr = alloca i32, align 4
+ %argv.addr = alloca i8**, align 8
+ %b = alloca %struct.Base, align 8
+ %d = alloca %struct.Derived, align 8
+ store i32 0, i32* %retval, align 4
+ store i32 %argc, i32* %argc.addr, align 4
+ store i8** %argv, i8*** %argv.addr, align 8
+ call void @_ZN4BaseC1Ei(%struct.Base* %b, i32 10)
+ call void @_ZN7DerivedC1Ei(%struct.Derived* %d, i32 20)
+ %call = call i32 @_Z4doitP4Base(%struct.Base* %b)
+ %0 = bitcast %struct.Derived* %d to %struct.Base*
+ %call1 = call i32 @_Z4doitP4Base(%struct.Base* %0)
+ %add = add nsw i32 %call, %call1
+ ret i32 %add
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr void @_ZN4BaseC1Ei(%struct.Base* %this, i32 %n) unnamed_addr #0 comdat align 2 {
+entry:
+ %this.addr = alloca %struct.Base*, align 8
+ %n.addr = alloca i32, align 4
+ store %struct.Base* %this, %struct.Base** %this.addr, align 8
+ store i32 %n, i32* %n.addr, align 4
+ %this1 = load %struct.Base*, %struct.Base** %this.addr, align 8
+ %0 = load i32, i32* %n.addr, align 4
+ call void @_ZN4BaseC2Ei(%struct.Base* %this1, i32 %0)
+ ret void
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr void @_ZN7DerivedC1Ei(%struct.Derived* %this, i32 %n) unnamed_addr #0 comdat align 2 {
+entry:
+ %this.addr = alloca %struct.Derived*, align 8
+ %n.addr = alloca i32, align 4
+ store %struct.Derived* %this, %struct.Derived** %this.addr, align 8
+ store i32 %n, i32* %n.addr, align 4
+ %this1 = load %struct.Derived*, %struct.Derived** %this.addr, align 8
+ %0 = load i32, i32* %n.addr, align 4
+ call void @_ZN7DerivedC2Ei(%struct.Derived* %this1, i32 %0)
+ ret void
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr void @_ZN4BaseC2Ei(%struct.Base* %this, i32 %n) unnamed_addr #0 comdat align 2 {
+entry:
+ %this.addr = alloca %struct.Base*, align 8
+ %n.addr = alloca i32, align 4
+ store %struct.Base* %this, %struct.Base** %this.addr, align 8
+ store i32 %n, i32* %n.addr, align 4
+ %this1 = load %struct.Base*, %struct.Base** %this.addr, align 8
+ %0 = bitcast %struct.Base* %this1 to i32 (...)***
+ store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV4Base, i32 0, inrange i32 0, i32 2) to i32 (...)**), i32 (...)*** %0, align 8
+ %data = getelementptr inbounds %struct.Base, %struct.Base* %this1, i32 0, i32 1
+ %1 = load i32, i32* %n.addr, align 4
+ store i32 %1, i32* %data, align 8
+ ret void
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr i32 @_ZN4Base4doitEi(%struct.Base* %this, i32 %n) unnamed_addr #0 comdat align 2 {
+entry:
+ %this.addr = alloca %struct.Base*, align 8
+ %n.addr = alloca i32, align 4
+ store %struct.Base* %this, %struct.Base** %this.addr, align 8
+ store i32 %n, i32* %n.addr, align 4
+ %this1 = load %struct.Base*, %struct.Base** %this.addr, align 8
+ %0 = load i32, i32* %n.addr, align 4
+ %data = getelementptr inbounds %struct.Base, %struct.Base* %this1, i32 0, i32 1
+ %1 = load i32, i32* %data, align 8
+ %sub = sub nsw i32 %0, %1
+ ret i32 %sub
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr void @_ZN7DerivedC2Ei(%struct.Derived* %this, i32 %n) unnamed_addr #0 comdat align 2 {
+entry:
+ %this.addr = alloca %struct.Derived*, align 8
+ %n.addr = alloca i32, align 4
+ store %struct.Derived* %this, %struct.Derived** %this.addr, align 8
+ store i32 %n, i32* %n.addr, align 4
+ %this1 = load %struct.Derived*, %struct.Derived** %this.addr, align 8
+ %0 = bitcast %struct.Derived* %this1 to %struct.Base*
+ %1 = load i32, i32* %n.addr, align 4
+ %add = add nsw i32 %1, 1
+ call void @_ZN4BaseC2Ei(%struct.Base* %0, i32 %add)
+ %2 = bitcast %struct.Derived* %this1 to i32 (...)***
+ store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTV7Derived, i32 0, inrange i32 0, i32 2) to i32 (...)**), i32 (...)*** %2, align 8
+ ret void
+}
+
+; Function Attrs: noinline nounwind optnone
+define linkonce_odr i32 @_ZN7Derived4doitEi(%struct.Derived* %this, i32 %n) unnamed_addr #0 comdat align 2 {
+entry:
+ %this.addr = alloca %struct.Derived*, align 8
+ %n.addr = alloca i32, align 4
+ store %struct.Derived* %this, %struct.Derived** %this.addr, align 8
+ store i32 %n, i32* %n.addr, align 4
+ %this1 = load %struct.Derived*, %struct.Derived** %this.addr, align 8
+ %0 = load i32, i32* %n.addr, align 4
+ %1 = bitcast %struct.Derived* %this1 to %struct.Base*
+ %data = getelementptr inbounds %struct.Base, %struct.Base* %1, i32 0, i32 1
+ %2 = load i32, i32* %data, align 8
+ %mul = mul nsw i32 %0, %2
+ ret i32 %mul
+}
+
+attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { noinline norecurse nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+cx8,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang version 10.0.0-4ubuntu1 "}
diff --git a/Semestr 4/ask/lista8/._lista_8 b/Semestr 4/ask/lista8/._lista_8
new file mode 100755
index 0000000..893436c
--- /dev/null
+++ b/Semestr 4/ask/lista8/._lista_8
Binary files differ
diff --git a/Semestr 4/ask/lista8/ask21_lista_8.tgz b/Semestr 4/ask/lista8/ask21_lista_8.tgz
new file mode 100644
index 0000000..789c9af
--- /dev/null
+++ b/Semestr 4/ask/lista8/ask21_lista_8.tgz
Binary files differ
diff --git a/Semestr 4/ask/lista8/bar.c b/Semestr 4/ask/lista8/bar.c
new file mode 100644
index 0000000..97fbd4f
--- /dev/null
+++ b/Semestr 4/ask/lista8/bar.c
@@ -0,0 +1,5 @@
+// extern long foo;
+
+int bar = 42;
+// long *foo_p = &foo;
+short dead[15];
diff --git a/Semestr 4/ask/lista8/even.c b/Semestr 4/ask/lista8/even.c
new file mode 100644
index 0000000..5bf8606
--- /dev/null
+++ b/Semestr 4/ask/lista8/even.c
@@ -0,0 +1,8 @@
+int is_odd(long n);
+
+int is_even(long n) {
+ if (n == 0)
+ return 1;
+ else
+ return is_odd(n - 1);
+}
diff --git a/Semestr 4/ask/lista8/foo.c b/Semestr 4/ask/lista8/foo.c
new file mode 100644
index 0000000..080d831
--- /dev/null
+++ b/Semestr 4/ask/lista8/foo.c
@@ -0,0 +1,5 @@
+// extern int bar;
+
+long foo = 19;
+// int *bar_p = &bar;
+char code[17];
diff --git a/Semestr 4/ask/lista8/lazy.c b/Semestr 4/ask/lista8/lazy.c
new file mode 100644
index 0000000..fb08cf7
--- /dev/null
+++ b/Semestr 4/ask/lista8/lazy.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(void) {
+ puts("first time");
+ puts("second time");
+ return 0;
+}
diff --git a/Semestr 4/ask/lista8/main.lds b/Semestr 4/ask/lista8/main.lds
new file mode 100644
index 0000000..25a4ca9
--- /dev/null
+++ b/Semestr 4/ask/lista8/main.lds
@@ -0,0 +1,39 @@
+OUTPUT_FORMAT("elf64-x86-64")
+OUTPUT_ARCH(i386:x86-64)
+ENTRY(_start)
+PHDRS
+{
+ code PT_LOAD FLAGS(5);
+ rodata PT_LOAD FLAGS(4);
+ data PT_LOAD FLAGS(6);
+}
+SECTIONS
+{
+ . = 0x400000 + SIZEOF_HEADERS;
+
+ .text :
+ {
+ *(.text .text.*)
+ } : code
+
+ .rodata :
+ {
+ *(.rodata .rodata.*)
+ } : rodata
+
+ .data :
+ {
+ *(.data .data.*)
+ } : data
+
+ .bss :
+ {
+ *(.bss .bss.*)
+ *(COMMON)
+ } : data
+
+ /DISCARD/ :
+ {
+ *(.note.gnu.property)
+ }
+}
diff --git a/Semestr 4/ask/lista8/merge-1.map b/Semestr 4/ask/lista8/merge-1.map
new file mode 100644
index 0000000..2e93e7c
--- /dev/null
+++ b/Semestr 4/ask/lista8/merge-1.map
@@ -0,0 +1,300 @@
+
+Merging program properties
+
+
+Discarded input sections
+
+ .note.gnu.property
+ 0x0000000000000000 0x20 bar.o
+
+Memory Configuration
+
+Name Origin Length Attributes
+*default* 0x0000000000000000 0xffffffffffffffff
+
+Linker script and memory map
+
+LOAD foo.o
+LOAD bar.o
+
+.interp
+ *(.interp)
+
+.note.gnu.property
+ 0x0000000000000000 0x20
+ .note.gnu.property
+ 0x0000000000000000 0x20 foo.o
+
+.note.gnu.build-id
+ *(.note.gnu.build-id)
+
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+ *(.hash)
+
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+ *(.gnu.hash)
+
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+ *(.dynsym)
+
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+ *(.dynstr)
+
+.gnu.version
+ *(.gnu.version)
+
+.gnu.version_d
+ *(.gnu.version_d)
+
+.gnu.version_r
+ *(.gnu.version_r)
+
+.rela.init
+ *(.rela.init)
+
+.rela.text
+ *(.rela.text)
+
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+ *(.rela.fini)
+
+.rela.rodata
+ *(.rela.rodata)
+
+.rela.data.rel.ro
+ *(.rela.data.rel.ro)
+
+.rela.data
+ *(.rela.data)
+
+.rela.tdata
+ *(.rela.tdata)
+
+.rela.tbss
+ *(.rela.tbss)
+
+.rela.ctors
+ *(.rela.ctors)
+
+.rela.dtors
+ *(.rela.dtors)
+
+.rela.got
+ *(.rela.got)
+
+.rela.bss
+ *(.rela.bss)
+
+.rela.ldata
+ *(.rela.ldata)
+
+.rela.lbss
+ *(.rela.lbss)
+
+.rela.lrodata
+ *(.rela.lrodata)
+
+.rela.ifunc
+ *(.rela.ifunc)
+
+.rela.plt
+ *(.rela.plt)
+
+.init
+ *(SORT_NONE(.init))
+
+.plt
+ *(.plt)
+
+.plt.got
+ *(.plt.got)
+
+.plt.sec
+ *(.plt.sec)
+
+.text 0x0000000000000000 0x0
+ *(.text .stub)
+ .text 0x0000000000000000 0x0 foo.o
+ .text 0x0000000000000000 0x0 bar.o
+ *(.gnu.warning)
+
+.fini
+ *(SORT_NONE(.fini))
+
+.rodata
+ *(.rodata)
+
+.rodata1
+ *(.rodata1)
+
+.eh_frame_hdr
+ *(.eh_frame_hdr)
+
+.eh_frame
+ *(.eh_frame)
+
+.gcc_except_table
+ *(.gcc_except_table)
+
+.gnu_extab
+ *(.gnu_extab*)
+
+.exception_ranges
+ *(.exception_ranges)
+
+.eh_frame
+ *(.eh_frame)
+
+.gnu_extab
+ *(.gnu_extab)
+
+.gcc_except_table
+ *(.gcc_except_table)
+
+.exception_ranges
+ *(.exception_ranges)
+
+.tdata
+ *(.tdata)
+
+.tbss
+ *(.tbss)
+
+.jcr
+ *(.jcr)
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+.dynamic
+ *(.dynamic)
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+ *(.got)
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+.got.plt
+ *(.got.plt)
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+.data 0x0000000000000000 0xc
+ *(.data)
+ .data 0x0000000000000000 0x8 foo.o
+ 0x0000000000000000 foo
+ .data 0x0000000000000008 0x4 bar.o
+ 0x0000000000000008 bar
+
+.data1
+ *(.data1)
+
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+ *(.bss)
+ .bss 0x0000000000000000 0x11 foo.o
+ 0x0000000000000000 code
+ *fill* 0x0000000000000011 0xf
+ .bss 0x0000000000000020 0x1e bar.o
+ 0x0000000000000020 dead
+
+.lbss
+ *(.lbss)
+
+.lrodata
+ *(.lrodata)
+
+.ldata
+ *(.ldata)
+
+.stab
+ *(.stab)
+
+.stabstr
+ *(.stabstr)
+
+.stab.excl
+ *(.stab.excl)
+
+.stab.exclstr
+ *(.stab.exclstr)
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+.stab.index
+ *(.stab.index)
+
+.stab.indexstr
+ *(.stab.indexstr)
+
+.comment 0x0000000000000000 0x56
+ *(.comment)
+ .comment 0x0000000000000000 0x2b foo.o
+ .comment 0x000000000000002b 0x2b bar.o
+
+.note.GNU-stack
+ 0x0000000000000000 0x0
+ .note.GNU-stack
+ 0x0000000000000000 0x0 foo.o
+ .note.GNU-stack
+ 0x0000000000000000 0x0 bar.o
+
+.gnu.build.attributes
+ *(.gnu.build.attributes)
+
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+.debug_macinfo
+ *(.debug_macinfo)
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+.debug_weaknames
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+.debug_funcnames
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+.debug_typenames
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+.debug_varnames
+ *(.debug_varnames)
+
+.debug_pubtypes
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+.debug_macro
+ *(.debug_macro)
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+.debug_addr
+ *(.debug_addr)
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+.gnu.attributes
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+OUTPUT(merge-1.o elf64-x86-64)
diff --git a/Semestr 4/ask/lista8/merge-2.map b/Semestr 4/ask/lista8/merge-2.map
new file mode 100644
index 0000000..2677803
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+
+Merging program properties
+
+
+Discarded input sections
+
+ .note.gnu.property
+ 0x0000000000000000 0x20 foo.o
+
+Memory Configuration
+
+Name Origin Length Attributes
+*default* 0x0000000000000000 0xffffffffffffffff
+
+Linker script and memory map
+
+LOAD bar.o
+LOAD foo.o
+
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+ *(.interp)
+
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+ 0x0000000000000000 0x20
+ .note.gnu.property
+ 0x0000000000000000 0x20 bar.o
+
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+ *(SORT_NONE(.init))
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+ .text 0x0000000000000000 0x0 bar.o
+ .text 0x0000000000000000 0x0 foo.o
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diff --git a/Semestr 4/ask/lista8/mismatch-a.c b/Semestr 4/ask/lista8/mismatch-a.c
new file mode 100644
index 0000000..39436f2
--- /dev/null
+++ b/Semestr 4/ask/lista8/mismatch-a.c
@@ -0,0 +1,7 @@
+/* mismatch-a.c */
+void p2(void);
+
+int main() {
+ p2();
+ return 0;
+}
diff --git a/Semestr 4/ask/lista8/mismatch-b.c b/Semestr 4/ask/lista8/mismatch-b.c
new file mode 100644
index 0000000..451d5b3
--- /dev/null
+++ b/Semestr 4/ask/lista8/mismatch-b.c
@@ -0,0 +1,8 @@
+/* mismatch-b.c */
+#include <stdio.h>
+
+char main;
+
+void p2() {
+ printf("0x%x\n", main);
+}
diff --git a/Semestr 4/ask/lista8/odd.c b/Semestr 4/ask/lista8/odd.c
new file mode 100644
index 0000000..c32961e
--- /dev/null
+++ b/Semestr 4/ask/lista8/odd.c
@@ -0,0 +1,8 @@
+int is_even(long n);
+
+int is_odd(long n) {
+ if (n == 0)
+ return 0;
+ else
+ return is_even(n - 1);
+}
diff --git a/Semestr 4/ask/lista8/relo3.c b/Semestr 4/ask/lista8/relo3.c
new file mode 100644
index 0000000..6aca7b6
--- /dev/null
+++ b/Semestr 4/ask/lista8/relo3.c
@@ -0,0 +1,15 @@
+int relo3(int val) {
+ switch (val) {
+ case 100:
+ return val;
+ case 101:
+ return val + 1;
+ case 103:
+ case 104:
+ return val + 3;
+ case 105:
+ return val + 5;
+ default:
+ return val + 6;
+ }
+}
diff --git a/Semestr 4/ask/lista8/start.c b/Semestr 4/ask/lista8/start.c
new file mode 100644
index 0000000..a875ace
--- /dev/null
+++ b/Semestr 4/ask/lista8/start.c
@@ -0,0 +1,8 @@
+int is_even(long);
+
+void _start(void) {
+ asm volatile(
+ "syscall"
+ : /* no output */
+ : "a" (0x3c), "D" (is_even(42)));
+}
diff --git a/Semestr 4/ask/lista8/str-a.c b/Semestr 4/ask/lista8/str-a.c
new file mode 100644
index 0000000..3b0fb36
--- /dev/null
+++ b/Semestr 4/ask/lista8/str-a.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+char *somestr(void);
+
+int main(void) {
+ char *s = somestr();
+ s[5] = '\0';
+ puts(s);
+ return 0;
+}
diff --git a/Semestr 4/ask/lista8/str-b.c b/Semestr 4/ask/lista8/str-b.c
new file mode 100644
index 0000000..50101cb
--- /dev/null
+++ b/Semestr 4/ask/lista8/str-b.c
@@ -0,0 +1,9 @@
+#include <stdlib.h>
+#include <string.h>
+
+char *somestr(void) {
+ char *buf = malloc(sizeof("Hello, world!"));
+ strcpy(buf, "Hello, world!");
+ return buf;
+}
+
diff --git a/Semestr 4/ask/lista8/swap.c b/Semestr 4/ask/lista8/swap.c
new file mode 100644
index 0000000..e1966fd
--- /dev/null
+++ b/Semestr 4/ask/lista8/swap.c
@@ -0,0 +1,18 @@
+extern int buf[];
+
+int *bufp0 = &buf[0];
+static int *bufp1;
+
+static void incr() {
+ static int count = 0;
+ count++;
+}
+
+void swap() {
+ int temp;
+ incr();
+ bufp1 = &buf[1];
+ temp = *bufp0;
+ *bufp0 = *bufp1;
+ *bufp1 = temp;
+}
diff --git a/Semestr 4/ask/lista9/gadget.s b/Semestr 4/ask/lista9/gadget.s
new file mode 100644
index 0000000..6d60a63
--- /dev/null
+++ b/Semestr 4/ask/lista9/gadget.s
@@ -0,0 +1,16 @@
+ .global gadget
+
+ .text
+
+# rax: 0x3c
+# rdi: 0
+# rdx: {NULL, ...}
+# rsi: path + '\n'
+gadget:
+ dec %rax # rax: 0x3c -> 0x3b (sys_execve)
+ mov %rdx, %rsi # rsi: argv = {NULL}
+ mov %rdi, %rdx # rdx: envp = NULL
+ lea 16(%rsp),%rdi # rdi: path
+ ret
+
+# vim: ft=gas
diff --git a/Semestr 4/ask/lista9/lazy.c b/Semestr 4/ask/lista9/lazy.c
new file mode 100644
index 0000000..fb08cf7
--- /dev/null
+++ b/Semestr 4/ask/lista9/lazy.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(void) {
+ puts("first time");
+ puts("second time");
+ return 0;
+}
diff --git a/Semestr 4/ask/lista9/lista_9.tgz b/Semestr 4/ask/lista9/lista_9.tgz
new file mode 100644
index 0000000..5e5c6f4
--- /dev/null
+++ b/Semestr 4/ask/lista9/lista_9.tgz
Binary files differ
diff --git a/Semestr 4/ask/lista9/relo3.c b/Semestr 4/ask/lista9/relo3.c
new file mode 100644
index 0000000..6aca7b6
--- /dev/null
+++ b/Semestr 4/ask/lista9/relo3.c
@@ -0,0 +1,15 @@
+int relo3(int val) {
+ switch (val) {
+ case 100:
+ return val;
+ case 101:
+ return val + 1;
+ case 103:
+ case 104:
+ return val + 3;
+ case 105:
+ return val + 5;
+ default:
+ return val + 6;
+ }
+}
diff --git a/Semestr 4/ask/lista9/ropex.c b/Semestr 4/ask/lista9/ropex.c
new file mode 100644
index 0000000..dbeae12
--- /dev/null
+++ b/Semestr 4/ask/lista9/ropex.c
@@ -0,0 +1,31 @@
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+/* Get string from stdin */
+void readline(FILE *in, char *p) {
+ int c;
+ while (true) {
+ c = fgetc(in);
+ if (c == EOF || c == '\n')
+ break;
+ *p++ = c;
+ }
+ *p = '\0';
+}
+
+void echo(FILE *in) {
+ char buf[48];
+ readline(in, buf);
+ puts(buf);
+}
+
+int main(int argc, char *argv[]) {
+ FILE *in = NULL;
+ if (argc == 2)
+ in = fopen(argv[1], "rb");
+ if (in == NULL)
+ in = stdin;
+ echo(in);
+ return 0;
+}
diff --git a/Semestr 4/ask/lista9/ropex.in (1).txt b/Semestr 4/ask/lista9/ropex.in (1).txt
new file mode 100644
index 0000000..902773e
--- /dev/null
+++ b/Semestr 4/ask/lista9/ropex.in (1).txt
@@ -0,0 +1,7 @@
+00000000: dead c0de dead c0de dead c0de dead c0de ................
+00000010: dead c0de dead c0de dead c0de dead c0de ................
+00000020: dead c0de dead c0de dead c0de dead c0de ................
+00000030: dead c0de dead c0de 731c 4000 0000 0000 ................
+00000040: f422 4000 0000 0000 0000 0000 0000 0000 ................
+00000050: 2f75 7372 2f62 696e 2f70 7974 686f 6e32 /usr/bin/python2
+00000060: 000a ................
diff --git a/Semestr 4/ask/lista9/ropex.in.txt b/Semestr 4/ask/lista9/ropex.in.txt
new file mode 100644
index 0000000..8deabfe
--- /dev/null
+++ b/Semestr 4/ask/lista9/ropex.in.txt
@@ -0,0 +1,7 @@
+00000000: dead c0de dead c0de dead c0de dead c0de ................
+00000010: dead c0de dead c0de dead c0de dead c0de ................
+00000020: dead c0de dead c0de dead c0de dead c0de ................
+00000030: dead c0de dead c0de 671d 4000 0000 0000 ................
+00000040: 8e44 4900 0000 0000 0000 0000 0000 0000 ................
+00000050: 2f75 7372 2f62 696e 2f6e 7961 6e63 6174 /usr/bin/nyancat
+00000060: 000a ................ \ No newline at end of file
diff --git a/Semestr 4/ask/lista9/ropex.map b/Semestr 4/ask/lista9/ropex.map
new file mode 100644
index 0000000..4bd12a5
--- /dev/null
+++ b/Semestr 4/ask/lista9/ropex.map
@@ -0,0 +1,511 @@
+Archive member included to satisfy reference by file (symbol)
+
+/usr/lib/x86_64-linux-gnu/libc_nonshared.a(elf-init.oS)
+ /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o (__libc_csu_init)
+
+Merging program properties
+
+Removed property 0xc0000002 to merge /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o (0x3) and gadget.o (not found)
+Removed property 0xc0000002 to merge /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o (not found) and /usr/lib/x86_64-linux-gnu/libc_nonshared.a(elf-init.oS) (0x3)
+Removed property 0xc0000002 to merge /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o (not found) and /usr/lib/gcc/x86_64-linux-gnu/9/crtendS.o (0x3)
+Removed property 0xc0000002 to merge /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o (not found) and /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crtn.o (0x3)
+
+As-needed library included to satisfy reference by file (symbol)
+
+libc.so.6 ropex.o (fopen@@GLIBC_2.2.5)
+
+Discarded input sections
+
+ .note.gnu.property
+ 0x0000000000000000 0x20 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o
+ .note.GNU-stack
+ 0x0000000000000000 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o
+ .note.gnu.property
+ 0x0000000000000000 0x20 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crti.o
+ .note.GNU-stack
+ 0x0000000000000000 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crti.o
+ .note.GNU-stack
+ 0x0000000000000000 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/crtbeginS.o
+ .note.gnu.property
+ 0x0000000000000000 0x20 /usr/lib/gcc/x86_64-linux-gnu/9/crtbeginS.o
+ .note.GNU-stack
+ 0x0000000000000000 0x0 ropex.o
+ .note.gnu.property
+ 0x0000000000000000 0x20 ropex.o
+ .note.GNU-stack
+ 0x0000000000000000 0x0 /usr/lib/x86_64-linux-gnu/libc_nonshared.a(elf-init.oS)
+ .note.gnu.property
+ 0x0000000000000000 0x20 /usr/lib/x86_64-linux-gnu/libc_nonshared.a(elf-init.oS)
+ .note.GNU-stack
+ 0x0000000000000000 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/crtendS.o
+ .note.gnu.property
+ 0x0000000000000000 0x20 /usr/lib/gcc/x86_64-linux-gnu/9/crtendS.o
+ .note.gnu.property
+ 0x0000000000000000 0x20 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crtn.o
+ .note.GNU-stack
+ 0x0000000000000000 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crtn.o
+
+Memory Configuration
+
+Name Origin Length Attributes
+*default* 0x0000000000000000 0xffffffffffffffff
+
+Linker script and memory map
+
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crti.o
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/crtbeginS.o
+LOAD ropex.o
+LOAD gadget.o
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/libgcc.a
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/libgcc_s.so
+START GROUP
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libgcc_s.so.1
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/libgcc.a
+END GROUP
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libc.so
+START GROUP
+LOAD /lib/x86_64-linux-gnu/libc.so.6
+LOAD /usr/lib/x86_64-linux-gnu/libc_nonshared.a
+LOAD /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2
+END GROUP
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/libgcc.a
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/libgcc_s.so
+START GROUP
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libgcc_s.so.1
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/libgcc.a
+END GROUP
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/crtendS.o
+LOAD /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/crtn.o
+ [!provide] PROVIDE (__executable_start = SEGMENT_START ("text-segment", 0x0))
+ 0x00000000000002a8 . = (SEGMENT_START ("text-segment", 0x0) + SIZEOF_HEADERS)
+
+.interp 0x00000000000002a8 0x1c
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+
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+
+.note.ABI-tag 0x00000000000002e8 0x20
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+
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+
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+
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+ *(.dynsym)
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+
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+
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+ *(.gnu.version)
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+
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+ *(.gnu.version_d)
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+
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+ *(.gnu.version_r)
+ .gnu.version_r
+ 0x0000000000000500 0x30 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o
+
+.rela.dyn 0x0000000000000530 0xd8
+ *(.rela.init)
+ *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
+ .rela.text 0x0000000000000530 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o
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+ *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
+ *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
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+ 0x0000000000000530 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o
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+ *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
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+
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+ 0x0000000000004010 0x0
+ .tm_clone_table
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+ .tm_clone_table
+ 0x0000000000004010 0x0 /usr/lib/gcc/x86_64-linux-gnu/9/crtendS.o
+
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+ *(.data1)
+ 0x0000000000004010 _edata = .
+ [!provide] PROVIDE (edata = .)
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+
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+
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+ 0x0000000000004020 _end = .
+ [!provide] PROVIDE (end = .)
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+
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diff --git a/Semestr 4/ask/lista9/test.c b/Semestr 4/ask/lista9/test.c
new file mode 100644
index 0000000..1dae111
--- /dev/null
+++ b/Semestr 4/ask/lista9/test.c
@@ -0,0 +1,7 @@
+void foobar() {}
+
+static const struct {
+ char a[3]; int b; long c; float pi;
+} baz = { "abc", 42, -3, 1.4142 };
+
+long array[100]; \ No newline at end of file
diff --git a/Semestr 4/ask/lista9/test.s b/Semestr 4/ask/lista9/test.s
new file mode 100644
index 0000000..5e60585
--- /dev/null
+++ b/Semestr 4/ask/lista9/test.s
@@ -0,0 +1,50 @@
+ .file "test.c"
+ .text
+ .globl foobar
+ .type foobar, @function
+foobar:
+.LFB0:
+ .cfi_startproc
+ endbr64
+ pushq %rbp
+ .cfi_def_cfa_offset 16
+ .cfi_offset 6, -16
+ movq %rsp, %rbp
+ .cfi_def_cfa_register 6
+ nop
+ popq %rbp
+ .cfi_def_cfa 7, 8
+ ret
+ .cfi_endproc
+.LFE0:
+ .size foobar, .-foobar
+ .section .rodata
+ .align 16
+ .type baz, @object
+ .size baz, 24
+baz:
+ .ascii "abc"
+ .zero 1
+ .long 42
+ .quad -3
+ .long 1068827777
+ .zero 4
+ .comm array,800,32
+ .ident "GCC: (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0"
+ .section .note.GNU-stack,"",@progbits
+ .section .note.gnu.property,"a"
+ .align 8
+ .long 1f - 0f
+ .long 4f - 1f
+ .long 5
+0:
+ .string "GNU"
+1:
+ .align 8
+ .long 0xc0000002
+ .long 3f - 2f
+2:
+ .long 0x3
+3:
+ .align 8
+4: