xref: /openbmc/linux/arch/x86/entry/syscall_32.c (revision cab56d3484d4bb8b21e4d9500392ac1ce99af026)
1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
200398a00SIngo Molnar /* System call table for i386. */
300398a00SIngo Molnar 
400398a00SIngo Molnar #include <linux/linkage.h>
500398a00SIngo Molnar #include <linux/sys.h>
600398a00SIngo Molnar #include <linux/cache.h>
708720988SBrian Gerst #include <asm/unistd.h>
8034042ccSAndy Lutomirski #include <asm/syscall.h>
900398a00SIngo Molnar 
10f8781c4aSDominik Brodowski #ifdef CONFIG_IA32_EMULATION
11ebeb8c82SDominik Brodowski /* On X86_64, we use struct pt_regs * to pass parameters to syscalls */
12*cab56d34SBrian Gerst #define __SYSCALL_I386(nr, sym) extern asmlinkage long __ia32_##sym(const struct pt_regs *);
13f48f01a9SSami Tolvanen #define __sys_ni_syscall __ia32_sys_ni_syscall
14f8781c4aSDominik Brodowski #else /* CONFIG_IA32_EMULATION */
15b5592e5cSBrian Gerst #define __SYSCALL_I386(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
16ebeb8c82SDominik Brodowski extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
17f48f01a9SSami Tolvanen #define __sys_ni_syscall sys_ni_syscall
18f8781c4aSDominik Brodowski #endif /* CONFIG_IA32_EMULATION */
19ebeb8c82SDominik Brodowski 
2000398a00SIngo Molnar #include <asm/syscalls_32.h>
2100398a00SIngo Molnar #undef __SYSCALL_I386
2200398a00SIngo Molnar 
23*cab56d34SBrian Gerst #ifdef CONFIG_IA32_EMULATION
24*cab56d34SBrian Gerst #define __SYSCALL_I386(nr, sym) [nr] = __ia32_##sym,
25*cab56d34SBrian Gerst #else /* CONFIG_IA32_EMULATION */
26b5592e5cSBrian Gerst #define __SYSCALL_I386(nr, sym) [nr] = sym,
27*cab56d34SBrian Gerst #endif /* CONFIG_IA32_EMULATION */
2800398a00SIngo Molnar 
2908720988SBrian Gerst __visible const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = {
3000398a00SIngo Molnar 	/*
3100398a00SIngo Molnar 	 * Smells like a compiler bug -- it doesn't work
3200398a00SIngo Molnar 	 * when the & below is removed.
3300398a00SIngo Molnar 	 */
3408720988SBrian Gerst 	[0 ... __NR_ia32_syscall_max] = &__sys_ni_syscall,
3500398a00SIngo Molnar #include <asm/syscalls_32.h>
3600398a00SIngo Molnar };
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