Created
May 7, 2013 14:21
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Simple code to force Java 1.7.0u21 into debug mode with console dump
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#include<iostream> | |
#include<stdio.h> | |
#include<stdlib.h> | |
#include<unistd.h> | |
#include<time.h> | |
#include<strings.h> | |
int main(int givenArgc,char *givenArgv[]) | |
{ | |
std::cout<<"step 0.a\n"; | |
char exeFile[] = "c:\\java\\jdk1.7.0_21\\bin\\java.exe"; | |
int prependArgc = 4; | |
char* prependArgv[] = { | |
"-Djava.compiler=NONE", | |
"-Xnoagent", | |
"-Xdebug", | |
"-Xrunjdwp:transport=dt_socket,address=2502,server=y,suspend=y" | |
}; | |
std::cout<<"step 0.b\n"; | |
time_t rawtime; | |
struct tm * timeinfo; | |
char date [80]; | |
time (&rawtime); | |
timeinfo = localtime (&rawtime); | |
strftime (date,80,"%Y%m%d%H%M%S",timeinfo); | |
std::cout<<"step 0.c\n"; | |
char stderrRedirect[100]; | |
char stdoutRedirect[100]; | |
sprintf(stderrRedirect,"2>d:\\tmp\\%s-stderr.txt",date); | |
sprintf(stdoutRedirect,">d:\\tmp\\%s-stdout.txt",date); | |
std::cout<<"step 0.d\n"; | |
int appendArgc = 2; | |
char* appendArgv[] = { | |
stderrRedirect, | |
stdoutRedirect | |
}; | |
std::cout<<"step 0.e\n"; | |
int argc = prependArgc+givenArgc-1+appendArgc; | |
char** argv = (char**)malloc(argc*sizeof(char*)); | |
std::cout<<"step 1.a\n"; | |
char** src = prependArgv; | |
int nbItems = prependArgc; | |
int j = 0; | |
for(int i=0;i<nbItems;i++){ | |
argv[j++]=src[i]; | |
} | |
std::cout<<"step 1.b\n"; | |
src = givenArgv; | |
nbItems = givenArgc; | |
for(int i=1;i<nbItems;i++){ | |
argv[j++]=src[i]; | |
} | |
std::cout<<"step 1.c\n"; | |
src = appendArgv; | |
nbItems = appendArgc; | |
for(int i=0;i<nbItems;i++){ | |
argv[j++]=src[i]; | |
} | |
std::cout<<"step 3\n"; | |
char str[4096]; | |
strcpy(str,exeFile); | |
std::cout<<"step 4\n"; | |
for(int i =0;i<argc;i++){ | |
strcat (str," "); | |
strcat (str,argv[i]); | |
} | |
std::cout<<"step 5\n"; | |
std::cout<<"will run : "; | |
std::cout<<str; | |
std::cout<<"\nstep 6\n"; | |
system(str); | |
free(argv); | |
return 0; | |
} |
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