mykola/blackjack
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add dlsym print to dummy

Browse source
This commit is contained in:
mykola2312 2024-08-24 01:25:29 +03:00
parent 635cf023c7
commit 9bc3007a7f
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/dummy_target.c
View file

@ -1,6 +1,7 @@
#define _DEFAULT_SOURCE #define _DEFAULT_SOURCE
#include <unistd.h> #include <unistd.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <dlfcn.h>
#include <pthread.h> #include <pthread.h>
#include <signal.h> #include <signal.h>
#include <string.h> #include <string.h>
@ -67,6 +68,10 @@ static void sigaction_handler(int signum, siginfo_t* info, void*)
int main() int main()
{ {
// print some info about libc
void* libc = dlopen("libc.so.6", RTLD_LOCAL);
printf("libc syscall %p\n", dlsym(libc, "syscall"));
// lets install some signal handlers // lets install some signal handlers
// for sigsegv and sig illegal instruction // for sigsegv and sig illegal instruction
struct sigaction sa; struct sigaction sa;