xc_printf
xc_printf("Printing stack trace vCPU%u\n", XEN_VCPUID());
xc_printf("invalid linear address: %p\n", addr);
xc_printf("cannot map shared info page: %d\n", rc);
xc_printf("Failed to get video console info: %d\n", size);
xc_printf("No VBE FB in kernel metadata\n");
xc_printf("No EFI FB in kernel metadata\n");
xc_printf("Video console type unsupported\n");
xc_printf("Invalid maximum leaves for hv_base\n");
xc_printf("Invalid number of hypercall pages %u\n",
xc_printf(__VA_ARGS__); \
xc_printf("Unable to load ELF symtab: invalid symbol table\n");
xc_printf(
xc_printf("Unable to load module metadata\n");
xc_printf("Unable to find kernel metadata\n");
xc_printf("ERROR: unable to fetch Xen E820 memory map: %d\n",
void xc_printf(const char *, ...) __printflike(1, 2);