int
mon_backtrace(int argc, char **argv, struct Trapframe *tf)
{
// Your code here.
uint64_t rbp = 0x0;
uint64_t rip = 0x0;
uint64_t* prbp = NULL;
struct Ripdebuginfo info;
cprintf("Stack backtrace:\n");
rbp = read_rbp();
read_rip(rip);
if(rbp == 0x0 || rip == 0x0)
{
cprintf("Not able to show backtrace");
return -1;
}
prbp = (uint64_t*)(rbp);
cprintf(" rbp %016x rip %016x\n", prbp, rip);
debuginfo_rip(rip ,&info);
cprintf(" %s:%d: ",info.rip_file, info.rip_line);
cprintf("%.*s+%016x",info.rip_fn_namelen, info.rip_fn_name, (rip - info.rip_fn_addr));
cprintf(" args:%d", info.rip_fn_narg);
printArgList(prbp, &info);
while(prbp && *(prbp) != 0x0 && *(prbp+1) != 0x0)
{
cprintf(" rbp %016x rip %016x\n",*(prbp),*((prbp) +1));
debuginfo_rip(*(prbp+1) ,&info);
cprintf(" %s:%d: ",info.rip_file, info.rip_line);
cprintf("%.*s+%016x",info.rip_fn_namelen, info.rip_fn_name, (rip - info.rip_fn_addr));
cprintf(" args:%d", info.rip_fn_narg);
printArgList((uint64_t*)(*(prbp)), &info);
prbp = (uint64_t*)(*(prbp));
}
return 0;
}
void printFuncDecl(FILE *f, const ApiEntry *api, const char *prefix, int addContext) {
printVarType(f, &api->ret);
fprintf(f, " %s%s (", prefix, api->name);
if (addContext) {
fprintf(f, "Context *");
} else {
fprintf(f, "RsContext rsc");
}
printArgList(f, api, 1);
fprintf(f, ")");
}
void printFuncDecl(FILE *f, const ApiEntry *api, const char *prefix, int addContext, int isFnPtr) {
printVarTypeAndName(f, &api->ret);
if (isFnPtr) {
char t[1024];
strcpy(t, api->name);
if (strlen(prefix) == 0) {
if (t[0] > 'A' && t[0] < 'Z') {
t[0] -= 'A' - 'a';
}
}
fprintf(f, " (* %s%s) (", prefix, api->name);
} else {
fprintf(f, " %s%s (", prefix, api->name);
}
if (!api->nocontext) {
if (addContext) {
fprintf(f, "Context *");
} else {
fprintf(f, "RsContext rsc");
}
}
printArgList(f, api, !api->nocontext);
fprintf(f, ")");
}
