Programming :: Attach Source Code To A Remote Debug?
May 25, 2011
running a java application in a remote site,and I would like to debug the application. I'm using jdb, and, due to network architecture, I can only use jdb do debug in text-mode. To debug in text-mode I use the command: jdb -attach remotesite: port. At this point this is ok. Now I would like to attach the source code to the jdb. I tried the command
jdb -attach remotesite: port ~/src/org/path/file.java
to attach the source code to the remote debug to. But it doesn't work. In jdb, I try the command use ~/src/org/path/file.java but it doesn't work either. How can I attach the source code to the remote debug?
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Dec 13, 2010
I want to use eclipse to compile and debug source code on ns-2 simulator.
1.how can i configure the parameter on eclipse.
2.how can i compile the source code *.cc
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Mar 4, 2010
I've been trying to work out a way to stop chunks of code being compiled using a variable in my makefile but can't work it out. What I mean is for example in my code I might have.
/****output comms portdata********/
printf("
debug comms port %d",ReadPort("ttys1);
I only wish this code to be compiled when I'm debugging. What I've tried is using #ifdef with
#ifdef COMM_PORT_DEBUG
printf("
debug comms port %d",ReadPort("ttys1);
#endif
Then in my make file I set COMM_PORT_DEBUG to 1 so
DEBUG_DEFS = COMM_PORT_DEBUG=1
I then thought I could put it into my in my link line
all: $(CC) $(CPFLAGS) $(DEBUG_DEFS) $(INC_PATHS) $(SOURCE) -o $(PROGRAM) $(LIB_DIRS) $(GAME_LIBS)
but this gives a
gcc: COMM_PORT_DEBUG=1: No such file or directory
is there a way to do this sort of thing? Or am I barking up the wrong tree?
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Aug 25, 2009
is there a way to debug my library files from DDD? Basically a way to pass the paths to DDD so I can view the source etc. I'm having a segmentation nightmare, which only crops up about every 10 or so starts, I know it's in one file in a library. I could move the source file into my general code to debug, but am sure there's a way in DDD.
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May 11, 2010
I've tried to use google to find this, and all I find is M$ SAL and some annotation standard for java, neither of which is anything like what I'm looking for.
I am pouring over someone else's source code, and want to be able to take notes on it, saving those notes in a separate text file that I can grep, open in a text editor, etc. I want each annotation line to include a line number (or range of lines) so it's easy to know what part of the code it refers to.
I could do this by hand, but it would be nice if a program existed to read and write such a file format. It could be similar to Kompare, only with editable notes on one side and source on the other, linked together with colored bands.
Does such a thing exist?
Cosme Zamudio and I are discussing a possible file format and an Android app - [url]
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Jan 19, 2010
Where can I find the top command source code... I got it from "http://procps.sourceforge.net/index.html" but it seems for Solaris. where can I get the source code for top commend running on Linux????
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Mar 7, 2011
In particular i'd like to know where is the kernel source code in slackware 13.
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May 11, 2010
Does anyone have source code on Email parsing in C++
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Dec 5, 2010
I found on the Internet a rough suggestion to debug code which says to add a line:
An example shows this lists the lines of source that do work.
I do not know where these lines are supposed to go and whether the "notdeadyet" should be a call to a subroutine or what. I only found that "%define" is used to link to external files, so I am confused because what I tried did not work.
(I am unable to use (and learn) any debugging tool for another few weeks and I'd like to progress on this If I can.)
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Jan 23, 2009
I just want to see how the command line such as : "cat", "split", "ls"...ect source code ? Are they written in C or other language ? I don't know where to search those?
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Nov 29, 2010
For one of my class projects, we have to analyze a usb keyboard driver source code and be able to understand it and present it to the class. Me and a few other people are working together by breaking up the code into sections so each person can analyze a section of code.Now I've ran into a section of this code that I am a little confused about. It seems fairly simple but I just wanted to double check since I wasn't able to find a solid answer.
Code:
static const unsigned char usb_kbd_keycode[256] = {
0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
[code]....
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Feb 9, 2010
I want to modify the source of cd (the 'change directory' command) to do a little extra for me, but I can't seem to find the source code anywhere.. maybe I didn't look for it well enough, and googling "source code cd" and variants of that doesn't exactly help... I was wondering if anyone knew where I could find the src?
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Mar 25, 2011
Where can I get the source code of quick thread?
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Jun 1, 2010
I'm investigating how to copy a file located in my file system into another device. I googled to find a solution for my case but I didn't find anything. My original problem was to find a way to permit my code to move a file into a USB device. I wonder If is there a way to implement the cp command or some mechanism that permits my code to interact with between the file system on my computer and the second one on USB external driver (FAT32) ?
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Feb 22, 2010
I have a problem in programing pseudo terminal. In the book APUE (advanced programing in the unix environment) in chapter 15.4: coprocess gives an example of using pipe to operate another program, that provide its input and read its output: Figure 15.18. Figure 15.19 is filter to add two numbers using standard IO. The author said that you must flush the IO buffer in the program which are operated through pipe by another program, however, we cannot add fflush to the source code and re-compile the whole program if we need to use it in another process. It said that pseudo terminal can solve this problem, but I have tried in fedora12 with forkpty call and fail. Source code as follows:
The main process:
Code:
#include "common.h"
#define LINESIZE 256
int main()
{
int fd[2];
pid_t pid;
if( socketpair(AF_UNIX, SOCK_STREAM, 0, fd)<0 ) {
perror("create socket error");
exit(1);
}
int master;
struct termios tm;
if( tcgetattr(STDIN_FILENO, &tm)<0 ) {
perror("tcgetattr error");
exit(3);
}
struct winsize size;
if( ioctl(STDIN_FILENO, TIOCGWINSZ, (char*)&size)<0 ) {
perror("ioctl error");
exit(4);
}
setbuf(stdout, NULL);
pid=forkpty(&master, NULL, &tm, &size);
if( pid<0 ) {
perror("create process error");
exit(2);
}
else if(pid>0) {//parent
close(fd[1]);
char line[LINESIZE];
memset(line, 0, LINESIZE);
while( fgets(line, LINESIZE, stdin)!=NULL ) {
write(fd[0], line, strlen(line));
memset(line, 0, LINESIZE);
int n=read(fd[0], line, LINESIZE);
if(n>=0) line[n]=0;
printf("%s", line);
memset(line, 0, LINESIZE);
}
} else {//child
close(fd[0]);
if( fd[1]!=STDIN_FILENO ) {
if(dup2(fd[1], STDIN_FILENO)!=STDIN_FILENO) {
perror("dup2 error");
exit(1);
}
}
if( fd[1]!=STDOUT_FILENO) {
if(dup2(fd[1], STDOUT_FILENO)!=STDOUT_FILENO) {
perror("dup2 error");
exit(2);
}
}
close(fd[1]);
if(execl("./add", "add", (char*)0)<0) {
perror("exec error");
exit(3);
}
exit(0);
}
//parent
wait(NULL);
return 0;
}
The add program reads a line and get two numbers and return the sum of them.
Code:
#include "common.h"
int main() { int n1, n2;
char line[256];
memset(line, 0, 256);
while( fgets(line, 256, stdin)!=NULL) {
sscanf(line, "%d%d", &n1, &n2);
printf("%d", n1+n2);
fflush(NULL); /*the program does not work without this sentence why?*/
memset(line, 0, 256); } return 0; }
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Feb 24, 2011
please i try to compile the below code on ubuntu with g++ but i was getting an error message
fig03_05.cpp:10: error: new types may not be defined in a return type
fig03_05.cpp:10: note: (perhaps a semicolon is missing after the definition of �GradeBook�)
fig03_05.cpp:32: error: two or more data types in declaration of �main�
[code]...
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Jun 30, 2011
I had made some modifications in the source code of a software called "HomeBank". I'm not able to make a setup file using "Inno setup".how to create an .EXE file for the source code to execute.
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Jan 4, 2010
i am trying to generate a linux executable data (bin data) from my java source code.
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Jun 1, 2010
I want to find a simple and quick way to permit my application to bring a file located in my file system and write it into an external USB device. I have to use Bulk Transfer Only mode that means to use stream of characters only. I looked through the LibUsb library using it in my IDE I can transmit a string. To transfer a whole file I suppose I've to dodge the file system building a char sequence that permits to recognise a file in the file system and to put it into the usb device.
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Mar 20, 2011
I've never really taken advantage of Linux being open source before but I was wondering how the copy and paste functions look like. So far I have found out that they are handled by the X Window System (by reading this thread).But I don't seem to get much further than that.
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Apr 9, 2010
I am doing a project on page replacement algorithms.... Can anyone point out the the source code for page swapping in linux kernel source tree.(I am using 2.6.31 kernel on a 32 bit x86 machine).
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Nov 30, 2010
I have read where C is first converted to Assembly before its final compilation to binary. Is there a way to do this with Bash commands? I would like the understanding that Assembly allows to Bash somehow.
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Jan 23, 2011
I found a strange problem when I use gdb in eclipse to debug. When I step in the program, the register RIP(I'm using x86_64 machine and that's EIP in 32 bit mode) shows correctly but the line stepping in the source code may be far from the correct line. For example, when there is no loop in the source code, the RIP keeps on increasing and the current instruction pointer goes back to several lines back. I'm sure the source code is the right one because I when I checked the memory and local variables after several lines the values are all correct. The source code has many empty lines and does it matters with GDB?
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Apr 27, 2010
I want to edit linux kernel source code in MS Visual Studio. I saw the code and these are c files but there is no project file that i open it and whole project opens up. I can open each individual file but not the whole project.
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Dec 20, 2009
I have a Bash script that runs other bash scripts. If the parent code fails, is there any way for me to also kill the child code?That kills any multiple instances of a script if I run it more than once. Is there any way I can just modify this into something that prevents the child code from running/continuing from running if the parent stops from an error?
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Feb 22, 2010
I would like to download and show a source of an webpage in stdout, but this is a https page with authentication form, which requires logging in. I tried like this:
Code:
wget -q --no-check-certificate --http-user=USERNAME --http-password=PASSWORD https://webpage.domain.com -O - However, it still downloaded only this login page, not the real webpage. Using the Firefox I can authenticate just fine. Any ideas?
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Feb 26, 2009
Where do i found source code of c library files in ubuntu.
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Jul 25, 2011
The rpm command to get all the list of all installed file location after rpm installation is rpm -ql <rpm file-name>
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Jun 14, 2010
Code:
$ cat segfault.c
int main(void)
{
char *s = "hello world";
*s = 'H';
[Code]....
So, now we know where exactly the problem occures. I know only these three commands to debug using gdb. But in case of ns-2 code, I don't know how to use gdb.
I changed a routing protocol's C++ code in ns-2 and successfully recompiled ns-2 but when I run any tcl script with that particular protocol, I get 'segmentation fault'. Now I want to trace what part of the code is causing this. I have tried using 'printf's at suspectable places. Is this possible to debug ns-2 code with gdb just like the segfault.c above? I am useing fedora 9.
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Apr 11, 2011
i am already a little bit familiar with linux and now i want to know better the linux OS. i have downloaded the source code of the krnel from the kernel.org and i dont understand the linux source trees organization, so can somebody do me a favor and give me a link to some internet page (or at least a book) that explains that?? i have searched in the internet with the tag:::linux source trees organization and i have not found nothing interesting
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