PPT-Malloc

Author : cheryl-pisano | Published Date : 2016-12-12

Recitation Ben Spinelli Recitation 11 November 9 2015 Agenda Macros Inline functions Quick pointer review Malloc Macros Inline Functions Macros Precompile time

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Malloc: Transcript

Recitation Ben Spinelli Recitation 11 November 9 2015 Agenda Macros Inline functions Quick pointer review Malloc Macros Inline Functions Macros Precompile time Define constants. Basic Concepts. 15-. 213: . Introduction to Computer Systems . 17. th. Lecture, Oct. 21, 2010. Instructors:. . Randy Bryant and Dave . O’Hallaron. Today. Basic concepts. Implicit free lists. Dynamic Memory Allocation . Fig.3.FragmentofThor'sHTMLoutputofanalyzingprogramsthatrequirebothshapeandarithmeticreasoningandalsoservesasasourceofinterestingtestprogramsforarithmetictools.Thorisavailablefordownloadathttp://www.cs Exception or Exploit?. Jared . DeMott. Quote to Remember. “Bugs are found in a variety of ways. But good exploits are created in a debugger, by someone who knows the trade well.”. What am I talking about?. 3+#25,$4(!!-44.&'$/+#2(!!1@)'I77.4'@+OI*+@+6'74X.4)/4',L' T&C*#(2+%*(2*@7*#'*(+:(malloc($#9(free(,*@7*2520(!!'$%&'$(&'"""&'$)&'"""'&'$*+('!!8)37(9::+):$-)(0$",*$!(;2((!!'malloc(p)'+47.F*7'I)'@'OF,/ Some . Advanced Topics. 15-213 / 18-213: Introduction to Computer Systems. 27. th. Lecture, Dec.. 4, 2012. Instructors:. . Dave O’Hallaron, Greg Ganger, and Greg . Kesden. Today. Library . interpositioning. Fall 07/08 – Lecture Notes # 5b. Outline. Dynamic Memory Allocation. malloc. ( ), free( ) . and . calloc. ( ) . functions. Dynamically Allocated Arrays. DYNAMIC MEMORY . ALLOCATION. DYNAMIC . MEMORY . 1. What is a heap?. Heap is a collection of variable-size memory chunks allocated by the program. e.g., . malloc. (), free() in C,. creating a new object in Java. . creating a new object in Java script. Structures, Pointers, and the Heap. Dynamic Memory with . Malloc. and Free. zyBook: 9.7, 9.8, 9.9, 9.10, 9.14, 9.15. Structures. Don’t forget the semicolon;. This only defines a type. . It does not allocate storage. Allocation. Slides credit: Presentation based on slides by Dave . O’halloran. /CSAPP. Dynamic memory allocation. Where is this important?. Heap. Kernel heap. Physical memory allocator. Problems are similar, but specific sometimes force different solutions. Recitation. Section K (Kevin Su). November 5. th. , 2012. Agenda. Macros / Inline functions. Quick pointer review. Malloc. Macros / Inline Functions. Macros. Runtime, compile-time, or pre-compile time?. Basic Concepts. 15-213/18-243: Introduction to Computer Systems . 19. th. Lecture, . July 5th. , . 2011. Instructors:. . Gregory . Kesden. Today. Basic concepts. Implicit free lists. Dynamic Memory Allocation . 351 . Spring 2017. Instructor:. . Ruth Anderson. Teaching Assistants:. Dylan Johnson. Kevin Bi. Linxing. Preston Jiang. Cody . Ohlsen. Yufang. Sun. Joshua Curtis. Administrivia. Homework 5 – Due Wed 5/31. 11. th. Lecture, Sept. 30, 2010. Instructors:. . Randy Bryant and Dave . O’Hallaron. Today. Linking. Case study: Library . interpositioning. Example C Program. int. buf[2] = {1, 2};. . int. main() . Vince Bridgers. Overview. Why use tools like Syntax and Static Analyzers?. How do these tools fit into a process flow?. Examples of text matchers using clang-query, compare and contrast with analysis.

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