Tài liệu Advanced Linux Programming: 9-Inline Assembly Code ppt

... GNU /Linux system. D.1 General Information n http://www.advancedlinuxprogramming.com is this book’s home on the Internet. Here, you can download the full text of this book and program source code, ... information about pro- gramming GNU /Linux. The same information can also be found at http://www.newriders.com. n http://www.linuxdoc.org is the home of the Linux Documentation Project. This...

Ngày tải lên: 21/01/2014, 07:20

... connection to a WWW server at www.codesourcery.com, use telnet www.codesourcery.com 80.The magic constant 80 specifies a connection to the Web server programming running www.codesourcery.com instead ... other processes. If you don’t specify this flag, Linux may buffer writes before transferring them to the file. Alternatively, you can force Linux to incorporate buffered writes into the...

Ngày tải lên: 26/01/2014, 07:20

... file /usr/src /linux/ arch/i386/kernel/process.s provides another example, using hlt in idle loop code. See other Linux source code files in /usr/src /linux/ arch/ and /usr/src /linux/ drivers/. Assembly ... function call with a single fsin assembly instruction. 11 0430 CH09 5/22/01 10:36 AM Page 189 190 Chapter 9 Inline Assembly Code Observe that unlike ordinary assembly code...

Ngày tải lên: 26/01/2014, 07:20

... file named gmon.out, only for those portions of the code that are exer- cised.You must vary the program’s input or commands to exercise the code sections that you want to profile.The program must ... 277 Other Development Tools A DEVELOPING CORRECT, FAST C OR C++ GNU /LINUX PROGRAMS requires more than just understanding the GNU /Linux operating system and its system calls. In this appe...

Ngày tải lên: 21/01/2014, 07:20

... I/O B CPROGRAMMERS ON GNU /LINUX HAVE TWO SETS OF INPUT/OUTPUT functions at their disposal.The standard C library provides I/O functions: printf, fopen, and so on. 1 The Linux kernel itself provides ... descriptor may cause Linux to take a particular action, depending on the nature of the file descriptor. For example, when you close a file descriptor for a network socket, Linux closes...

Ngày tải lên: 21/01/2014, 07:20

... following: % man 7 signal Table C.1 Linux Signals Name Description SIGHUP Linux sends a process this signal when it becomes disconnected from a terminal. Many Linux programs use SIGHUP for an ... in /usr/include/sys/signum.h, which is included as part of <signal.h>. For a full list of Linux signals, including a short description of each and the default behavior when the signal...

Ngày tải lên: 21/01/2014, 07:20

Ngày tải lên: 21/01/2014, 07:20

... b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules ... object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source cod...

Ngày tải lên: 21/01/2014, 07:20

... using. 1.5.4 Source Code This is Open Source, right? The final arbiter of how the system works is the system source code itself, and luckily for Linux programmers, that source code is freely avail- able. ... C library source code. 02 0430 CH01 5/22/01 10:19 AM Page 15 02 0430 CH01 5/22/01 10:19 AM Page 16 Advanced UNIX Programming with Linux I 1 Getting Started 2 Writing Good GN...

Ngày tải lên: 21/01/2014, 07:20

... */ fprintf (stderr, “%s\n”, strerror (error _code) ); exit (1); default: /* Some other, unexpected, error code. We’ve tried to handle all possible error codes; if we’ve missed one, that’s a bug! ... GNU /Linux system in certain ways. GNU/ Linux provides other ways for interacting with the operating environment, too. 03 0430 CH02 5/22/01 10:20 AM Page 17 36 Chapter 2 Writing Good GNU /Linu...

Ngày tải lên: 21/01/2014, 07:20