// SPDX-License-Identifier: GPL-2.0 /* * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c * with some changes for UML. */ #include <linux/linkage.h> #include <linux/sys.h> #include <linux/cache.h> #include <asm/unistd.h> #include <asm/syscall.h> #define __NO_STUBS /* * Below you can see, in terms of #define's, the differences between the x86-64 * and the UML syscall table. */ /* Not going to be implemented by UML, since we have no hardware. */ #define sys_iopl sys_ni_syscall #define sys_ioperm sys_ni_syscall #define sys_vm86old sys_ni_syscall #define sys_vm86 sys_ni_syscall #define old_mmap sys_old_mmap #define __SYSCALL_I386(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ; #include <asm/syscalls_32.h> #undef __SYSCALL_I386 #define __SYSCALL_I386(nr, sym) [ nr ] = sym, extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = { /* * Smells like a compiler bug -- it doesn't work * when the & below is removed. */ [0 ... __NR_syscall_max] = &sys_ni_syscall, #include <asm/syscalls_32.h> }; int syscall_table_size = sizeof(sys_call_table);