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#include <stdio.h>
#include <unistd.h>
#include <sys/ptrace.h>
#include <errno.h>
#include <signal.h>
#include <sys/wait.h>
int attached_pid;
#include "i386.h"
#include "trace.h"
struct library_symbol * library_symbols = NULL;
int attach_process(const char * file, char * const argv[])
{
int status;
attached_pid = fork();
if (attached_pid<0) {
perror("fork");
exit(1);
} else if (!attached_pid) {
if (ptrace(PTRACE_TRACEME, 0, 1, 0) < 0) {
perror("PTRACE_TRACEME");
exit(1);
}
execvp(file, argv);
fprintf(stderr, "Can't execute \"%s\": %s\n", argv[1], sys_errlist[errno]);
exit(1);
}
/* Wait until execve... */
if (wait4(attached_pid, &status, 0, NULL)==-1) {
perror("wait4");
exit(1);
}
if (!(WIFSTOPPED(status) && (WSTOPSIG(status)==SIGTRAP))) {
fprintf(stderr, "Unknown exit status for process %s\n", file);
exit(1);
}
return attached_pid;
}
void enable_all_breakpoints(void)
{
struct library_symbol * tmp = NULL;
tmp = library_symbols;
while(tmp) {
insert_breakpoint(attached_pid, tmp->addr, &tmp->old_value[0]);
tmp = tmp->next;
}
}
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