diff options
Diffstat (limited to 'arch/x86/kernel/asm-offsets_64.c')
-rw-r--r-- | arch/x86/kernel/asm-offsets_64.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c new file mode 100644 index 000000000..3b9405e7b --- /dev/null +++ b/arch/x86/kernel/asm-offsets_64.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef __LINUX_KBUILD_H +# error "Please do not build this file directly, build asm-offsets.c instead" +#endif + +#include <asm/ia32.h> + +#define __SYSCALL_64(nr, sym, qual) [nr] = 1, +static char syscalls_64[] = { +#include <asm/syscalls_64.h> +}; +#define __SYSCALL_I386(nr, sym, qual) [nr] = 1, +static char syscalls_ia32[] = { +#include <asm/syscalls_32.h> +}; + +#if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS) +#include <asm/kvm_para.h> +#endif + +int main(void) +{ +#ifdef CONFIG_PARAVIRT + OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64); + OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs); +#ifdef CONFIG_DEBUG_ENTRY + OFFSET(PV_IRQ_save_fl, pv_irq_ops, save_fl); +#endif + BLANK(); +#endif + +#if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS) + OFFSET(KVM_STEAL_TIME_preempted, kvm_steal_time, preempted); + BLANK(); +#endif + +#define ENTRY(entry) OFFSET(pt_regs_ ## entry, pt_regs, entry) + ENTRY(bx); + ENTRY(cx); + ENTRY(dx); + ENTRY(sp); + ENTRY(bp); + ENTRY(si); + ENTRY(di); + ENTRY(r8); + ENTRY(r9); + ENTRY(r10); + ENTRY(r11); + ENTRY(r12); + ENTRY(r13); + ENTRY(r14); + ENTRY(r15); + ENTRY(flags); + BLANK(); +#undef ENTRY + +#define ENTRY(entry) OFFSET(saved_context_ ## entry, saved_context, entry) + ENTRY(cr0); + ENTRY(cr2); + ENTRY(cr3); + ENTRY(cr4); + ENTRY(cr8); + ENTRY(gdt_desc); + BLANK(); +#undef ENTRY + + OFFSET(TSS_ist, tss_struct, x86_tss.ist); + BLANK(); + +#ifdef CONFIG_STACKPROTECTOR + DEFINE(stack_canary_offset, offsetof(union irq_stack_union, stack_canary)); + BLANK(); +#endif + + DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1); + DEFINE(NR_syscalls, sizeof(syscalls_64)); + + DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1); + DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32)); + + return 0; +} |