From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/x86/kernel/asm-offsets_64.c | 94 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 arch/x86/kernel/asm-offsets_64.c

(limited to 'arch/x86/kernel/asm-offsets_64.c')

diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
new file mode 100644
index 000000000..5ce6f2da8
--- /dev/null
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -0,0 +1,94 @@
+#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, compat) [nr] = 1,
+#define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
+#ifdef CONFIG_X86_X32_ABI
+# define __SYSCALL_X32(nr, sym, compat) [nr] = 1,
+#else
+# define __SYSCALL_X32(nr, sym, compat) /* nothing */
+#endif
+static char syscalls_64[] = {
+#include <asm/syscalls_64.h>
+};
+#define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
+static char syscalls_ia32[] = {
+#include <asm/syscalls_32.h>
+};
+
+int main(void)
+{
+#ifdef CONFIG_PARAVIRT
+	OFFSET(PV_IRQ_adjust_exception_frame, pv_irq_ops, adjust_exception_frame);
+	OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
+	OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
+	OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
+	BLANK();
+#endif
+
+#ifdef CONFIG_IA32_EMULATION
+	OFFSET(TI_sysenter_return, thread_info, sysenter_return);
+	BLANK();
+
+#define ENTRY(entry) OFFSET(IA32_SIGCONTEXT_ ## entry, sigcontext_ia32, entry)
+	ENTRY(ax);
+	ENTRY(bx);
+	ENTRY(cx);
+	ENTRY(dx);
+	ENTRY(si);
+	ENTRY(di);
+	ENTRY(bp);
+	ENTRY(sp);
+	ENTRY(ip);
+	BLANK();
+#undef ENTRY
+
+	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
+	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);
+	OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
+	BLANK();
+
+	DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
+	DEFINE(NR_syscalls, sizeof(syscalls_64));
+
+	DEFINE(__NR_ia32_syscall_max, sizeof(syscalls_ia32) - 1);
+	DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
+
+	return 0;
+}
-- 
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