x86_64: prepare shared kernel/asm-offsets.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86_64/kernel/asm-offsets.c b/arch/x86_64/kernel/asm-offsets.c
index 778953bc636c4b5d29872063626d7ffa781ad659..cfa82c899f47942550e8103d5660473e22dee8f3 100644 (file)
--- a/arch/x86_64/kernel/asm-offsets.c
+++ b/arch/x86_64/kernel/asm-offsets.c
@@ -1,85 +1,5 @@
-/*
- * 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();
+#ifdef CONFIG_X86_32
+# include "asm-offsets_32.c"
+#else
+# include "asm-offsets_64.c"
 #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;
-}

diff --git a/arch/x86_64/kernel/asm-offsets_64.c b/arch/x86_64/kernel/asm-offsets_64.c
new file mode 100644 (file)
index 0000000..778953b
--- /dev/null
+++ b/arch/x86_64/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;
+}