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Diffstat (limited to 'arch/x86/kernel/asm-offsets_64.c')
-rw-r--r--arch/x86/kernel/asm-offsets_64.c85
1 files changed, 85 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 000000000000..778953bc636c
--- /dev/null
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -0,0 +1,85 @@
+/*
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed to extract
+ * and format the required data.
+ */
+
+#include <linux/crypto.h>
+#include <linux/sched.h>
+#include <linux/stddef.h>
+#include <linux/errno.h>
+#include <linux/hardirq.h>
+#include <linux/suspend.h>
+#include <asm/pda.h>
+#include <asm/processor.h>
+#include <asm/segment.h>
+#include <asm/thread_info.h>
+#include <asm/ia32.h>
+
+#define DEFINE(sym, val) \
+ asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define BLANK() asm volatile("\n->" : : )
+
+#define __NO_STUBS 1
+#undef __SYSCALL
+#undef _ASM_X86_64_UNISTD_H_
+#define __SYSCALL(nr, sym) [nr] = 1,
+static char syscalls[] = {
+#include <asm/unistd.h>
+};
+
+int main(void)
+{
+#define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry))
+ ENTRY(state);
+ ENTRY(flags);
+ ENTRY(thread);
+ ENTRY(pid);
+ BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(threadinfo_ ## entry, offsetof(struct thread_info, entry))
+ ENTRY(flags);
+ ENTRY(addr_limit);
+ ENTRY(preempt_count);
+ ENTRY(status);
+ BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(pda_ ## entry, offsetof(struct x8664_pda, entry))
+ ENTRY(kernelstack);
+ ENTRY(oldrsp);
+ ENTRY(pcurrent);
+ ENTRY(irqcount);
+ ENTRY(cpunumber);
+ ENTRY(irqstackptr);
+ ENTRY(data_offset);
+ BLANK();
+#undef ENTRY
+#ifdef CONFIG_IA32_EMULATION
+#define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry))
+ ENTRY(eax);
+ ENTRY(ebx);
+ ENTRY(ecx);
+ ENTRY(edx);
+ ENTRY(esi);
+ ENTRY(edi);
+ ENTRY(ebp);
+ ENTRY(esp);
+ ENTRY(eip);
+ BLANK();
+#undef ENTRY
+ DEFINE(IA32_RT_SIGFRAME_sigcontext,
+ offsetof (struct rt_sigframe32, uc.uc_mcontext));
+ BLANK();
+#endif
+ DEFINE(pbe_address, offsetof(struct pbe, address));
+ DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
+ DEFINE(pbe_next, offsetof(struct pbe, next));
+ BLANK();
+ DEFINE(TSS_ist, offsetof(struct tss_struct, ist));
+ BLANK();
+ DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
+ BLANK();
+ DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
+ return 0;
+}