int
main (void)
{
return filesym (0);
}
/*
* All is there: now use it
*/
int main(int argc, char **argv)
{
char s[512];
char *subs=NULL, *savedsubs;
int status=0, offset;
unsigned int j, k, esp, eip;
unsigned int i[16]; /* 8 suffice by now, but who knows... */
char names[16][8], c[20]; /* [8][8] suffice, but who knows */
char *ptr;
char *prgname=argv[0];
struct ksym *symlist=NULL;
char defaultmap[]="/usr/src/linux/System.map";
char *mapname=defaultmap;
if (argc>2) {
fprintf(stderr,"%s: Usage: \"%s [mapfile_name] < oops-log\"\n",
prgname, prgname);
exit(1);
}
if (argc==2)
mapname=argv[1];
fprintf(stderr,"%s: Using %s as map\n", prgname, mapname);
symlist = filesym(symlist,NULL,mapname);
symlist = filesym(symlist,NULL,"/proc/ksyms");
symlist=fixlist(symlist);
/* dumplist(symlist); */
gsymlist=symlist;
/*
* Ok, the symbol table is there, now get the message
*/
if (isatty(0)) {
fprintf(stderr,"%s: please paste the oops on my stdin\n",prgname);
}
while (fgets(s,512,stdin)) {
if (!subs) { /* nothing yet */
savedsubs = subs = strstr(s,"EIP: ");
}
switch(status) {
case 0: /* not found */
if (!subs) continue;
status++;
offset=0;
esp=0;
j=sscanf(subs,"%s %x:[<%x>]",s,&i[0],&i[1]);
if (j!=3) {
fprintf(stderr,"Wrong \"EIP\" line\n");
continue;
}
printf("\n%-7s %04x:%08x %s\n",s,i[0],i[1],decode(i[1],0));
eip=i[1]; /* keep to disass */
break;
case 1: /* before the stack */
j=sscanf(subs,"%s %x %s %x %s %x %s %x",names[0+offset],i+offset,
names[1+offset],i+1+offset,names[2+offset],i+2+offset,
names[3+offset],i+3+offset);
if (j==8 && strlen(names[0])==4) { /* registers */
/*
* The problem with registers is that I need "esp"
* first, on order to refer registers to the stack.
* So, I save them, and decode later on
*/
if ( (ptr=strstr(subs,"esp:")) ) {
sscanf(ptr,"%*s %x",&esp);
}
if (esp) { /* decode only when they can be ref'd to stack */
for (j=0; j<4+offset; j++)
printf("%s %08x %s\n",names[j],i[j],decode(i[j],esp));
offset=0;
} else {
offset+=4; /* next time, write after these ones */
}
continue;
}
else if (strncmp(subs,"Stack: ",7)) {
printf("%s",subs);
continue;
} else {
status++;
offset=0;
subs+=6; /* skip the string, and fall through */
}
case 2: /* stack and trace*/
if (strncmp(subs,"Call Trace",4) != 0) {
k=sscanf(subs,"%x %x %x %x %x %x %x %x",i,i+1,i+2,i+3,
i+4,i+5,i+6,i+7);
if (k<=0) {
fprintf(stderr,"Bad stack line (%i items)\n",j);
} else {
for (j=0; j<k; j++)
printf("esp+%02x: %08x %s\n",(offset+j)*4,i[j],
decode(i[j],esp));
}
if (!offset) subs = savedsubs; /* restore */
offset+=8;
continue;
}
/* call trace */
status++;
offset=0;
subs+=12; /* skip the string, and fall through */
case 3: /* the trace */
if (strncmp(subs,"Code",4)) {
k=sscanf(subs," [<%x>] [<%x>] [<%x>] [<%x>] "
"[<%x>] [<%x>] [<%x>] [<%x>]",i,i+1,i+2,i+3,
i+4,i+5,i+6,i+7);
if (k==0) {
fprintf(stderr,"Bad trace line %s(no add found)\n",subs);
} else {
for (j=0; j<k; j++)
printf("Trace: %08x %s\n", i[j], decode(i[j],esp));
}
subs = savedsubs; /* restore */
continue;
}
/* the code */
ptr = subs+5; /* skip "Code:" */
for (j=0; j<20; j++) {
long l=strtol(ptr,&ptr,16);
c[j]=(char)l;
}
disass(c, eip, esp);
esp=0; status=0; subs=NULL; /* ready for another oops */
}
}
return 0;
}
