/* support other architecture pt_regs showing */
static void event_regstr(ktap_state *ks, struct ktap_event *e, StkId ra)
{
struct pt_regs *regs = e->regs;
char str[256] = {0};
#if defined(CONFIG_X86_32)
snprintf(str, sizeof(str),
"{ax: 0x%lx, orig_ax: 0x%lx, bx: 0x%lx, cx: 0x%lx, dx: 0x%lx, "
"si: 0x%lx, di: 0x%lx, bp: 0x%lx, ds: 0x%lx, es: 0x%lx, fs: 0x%lx, "
"gs: 0x%lx, ip: 0x%lx, cs: 0x%lx, flags: 0x%lx, sp: 0x%lx, ss: 0x%lx}\n",
regs->ax, regs->orig_ax, regs->bx, regs->cx, regs->dx,
regs->si, regs->di, regs->bp, regs->ds, regs->es, regs->fs,
regs->gs, regs->ip, regs->cs, regs->flags, regs->sp, regs->ss);
#elif defined(CONFIG_X86_64)
/* x86_64 pt_regs doesn't have ds, es, fs or gs. */
snprintf(str, sizeof(str),
"{ax: 0x%lx, orig_ax: 0x%lx, bx: 0x%lx, cx: 0x%lx, dx: 0x%lx, "
"si: 0x%lx, di: 0x%lx, r8: 0x%lx, r9: 0x%lx, r10: 0x%lx, r11: 0x%lx, "
"r12: 0x%lx, r13: 0x%lx, r14: 0x%lx, r15: 0x%lx, bp: 0x%lx, ip: 0x%lx, "
"cs: 0x%lx, flags: 0x%lx, sp: 0x%lx, ss: 0x%lx}\n",
regs->ax, regs->orig_ax, regs->bx, regs->cx, regs->dx,
regs->si, regs->di, regs->r8, regs->r9, regs->r10, regs->r11,
regs->r12, regs->r13, regs->r14, regs->r15, regs->bp, regs->ip,
regs->cs, regs->flags, regs->sp, regs->ss);
#endif
setsvalue(ra, kp_tstring_new_local(ks, str));
}
static int ktap_lib_kernel_string(ktap_state *ks)
{
unsigned long addr;
char str[256] = {0};
char *ret;
kp_arg_check(ks, 1, KTAP_TNUMBER);
addr = nvalue(kp_arg(ks, 1));
ret = strncpy((void *)str, (const void *)addr, 256);
(void) &ret; /* Silence compiler warning. */
str[255] = '\0';
set_string(ks->top, kp_tstring_new_local(ks, str));
incr_top(ks);
return 1;
}
