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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 11:12:08 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 11:12:08 +0200
commit8d0d37cfb8039939f51dd2a1da98aff3b50a4e84 (patch)
tree465c836edb2f222dda66545bea0b568a59319c25 /arch/i386/kernel
parent08eafb9b2808d8684e55c204609513e924e2da3c (diff)
i386: prepare shared kernel/asm-offsets.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386/kernel')
-rw-r--r--arch/i386/kernel/asm-offsets.c150
-rw-r--r--arch/i386/kernel/asm-offsets_32.c147
2 files changed, 151 insertions, 146 deletions
diff --git a/arch/i386/kernel/asm-offsets.c b/arch/i386/kernel/asm-offsets.c
index 7288ac88d74..cfa82c899f4 100644
--- a/arch/i386/kernel/asm-offsets.c
+++ b/arch/i386/kernel/asm-offsets.c
@@ -1,147 +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/signal.h>
-#include <linux/personality.h>
-#include <linux/suspend.h>
-#include <asm/ucontext.h>
-#include "sigframe.h"
-#include <asm/pgtable.h>
-#include <asm/fixmap.h>
-#include <asm/processor.h>
-#include <asm/thread_info.h>
-#include <asm/elf.h>
-
-#include <xen/interface/xen.h>
-
-#ifdef CONFIG_LGUEST_GUEST
-#include <linux/lguest.h>
-#include "../../../drivers/lguest/lg.h"
+#ifdef CONFIG_X86_32
+# include "asm-offsets_32.c"
+#else
+# include "asm-offsets_64.c"
#endif
-
-#define DEFINE(sym, val) \
- asm volatile("\n->" #sym " %0 " #val : : "i" (val))
-
-#define BLANK() asm volatile("\n->" : : )
-
-#define OFFSET(sym, str, mem) \
- DEFINE(sym, offsetof(struct str, mem));
-
-/* workaround for a warning with -Wmissing-prototypes */
-void foo(void);
-
-void foo(void)
-{
- OFFSET(SIGCONTEXT_eax, sigcontext, eax);
- OFFSET(SIGCONTEXT_ebx, sigcontext, ebx);
- OFFSET(SIGCONTEXT_ecx, sigcontext, ecx);
- OFFSET(SIGCONTEXT_edx, sigcontext, edx);
- OFFSET(SIGCONTEXT_esi, sigcontext, esi);
- OFFSET(SIGCONTEXT_edi, sigcontext, edi);
- OFFSET(SIGCONTEXT_ebp, sigcontext, ebp);
- OFFSET(SIGCONTEXT_esp, sigcontext, esp);
- OFFSET(SIGCONTEXT_eip, sigcontext, eip);
- BLANK();
-
- OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
- OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
- OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
- OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
- OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math);
- OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
- OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
- OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
- BLANK();
-
- OFFSET(TI_task, thread_info, task);
- OFFSET(TI_exec_domain, thread_info, exec_domain);
- OFFSET(TI_flags, thread_info, flags);
- OFFSET(TI_status, thread_info, status);
- OFFSET(TI_preempt_count, thread_info, preempt_count);
- OFFSET(TI_addr_limit, thread_info, addr_limit);
- OFFSET(TI_restart_block, thread_info, restart_block);
- OFFSET(TI_sysenter_return, thread_info, sysenter_return);
- OFFSET(TI_cpu, thread_info, cpu);
- BLANK();
-
- OFFSET(GDS_size, Xgt_desc_struct, size);
- OFFSET(GDS_address, Xgt_desc_struct, address);
- OFFSET(GDS_pad, Xgt_desc_struct, pad);
- BLANK();
-
- OFFSET(PT_EBX, pt_regs, ebx);
- OFFSET(PT_ECX, pt_regs, ecx);
- OFFSET(PT_EDX, pt_regs, edx);
- OFFSET(PT_ESI, pt_regs, esi);
- OFFSET(PT_EDI, pt_regs, edi);
- OFFSET(PT_EBP, pt_regs, ebp);
- OFFSET(PT_EAX, pt_regs, eax);
- OFFSET(PT_DS, pt_regs, xds);
- OFFSET(PT_ES, pt_regs, xes);
- OFFSET(PT_FS, pt_regs, xfs);
- OFFSET(PT_ORIG_EAX, pt_regs, orig_eax);
- OFFSET(PT_EIP, pt_regs, eip);
- OFFSET(PT_CS, pt_regs, xcs);
- OFFSET(PT_EFLAGS, pt_regs, eflags);
- OFFSET(PT_OLDESP, pt_regs, esp);
- OFFSET(PT_OLDSS, pt_regs, xss);
- BLANK();
-
- OFFSET(EXEC_DOMAIN_handler, exec_domain, handler);
- OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
- BLANK();
-
- OFFSET(pbe_address, pbe, address);
- OFFSET(pbe_orig_address, pbe, orig_address);
- OFFSET(pbe_next, pbe, next);
-
- /* Offset from the sysenter stack to tss.esp0 */
- DEFINE(TSS_sysenter_esp0, offsetof(struct tss_struct, x86_tss.esp0) -
- sizeof(struct tss_struct));
-
- DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
- DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT);
- DEFINE(PTRS_PER_PTE, PTRS_PER_PTE);
- DEFINE(PTRS_PER_PMD, PTRS_PER_PMD);
- DEFINE(PTRS_PER_PGD, PTRS_PER_PGD);
-
- DEFINE(VDSO_PRELINK_asm, VDSO_PRELINK);
-
- OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
-
-#ifdef CONFIG_PARAVIRT
- BLANK();
- OFFSET(PARAVIRT_enabled, paravirt_ops, paravirt_enabled);
- OFFSET(PARAVIRT_irq_disable, paravirt_ops, irq_disable);
- OFFSET(PARAVIRT_irq_enable, paravirt_ops, irq_enable);
- OFFSET(PARAVIRT_irq_enable_sysexit, paravirt_ops, irq_enable_sysexit);
- OFFSET(PARAVIRT_iret, paravirt_ops, iret);
- OFFSET(PARAVIRT_read_cr0, paravirt_ops, read_cr0);
-#endif
-
-#ifdef CONFIG_XEN
- BLANK();
- OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
- OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
-#endif
-
-#ifdef CONFIG_LGUEST_GUEST
- BLANK();
- OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
- OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
- OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
- OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
- OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
- OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
- OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
- OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
- OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
- OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
- OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
-#endif
-}
diff --git a/arch/i386/kernel/asm-offsets_32.c b/arch/i386/kernel/asm-offsets_32.c
new file mode 100644
index 00000000000..7288ac88d74
--- /dev/null
+++ b/arch/i386/kernel/asm-offsets_32.c
@@ -0,0 +1,147 @@
+/*
+ * 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/signal.h>
+#include <linux/personality.h>
+#include <linux/suspend.h>
+#include <asm/ucontext.h>
+#include "sigframe.h"
+#include <asm/pgtable.h>
+#include <asm/fixmap.h>
+#include <asm/processor.h>
+#include <asm/thread_info.h>
+#include <asm/elf.h>
+
+#include <xen/interface/xen.h>
+
+#ifdef CONFIG_LGUEST_GUEST
+#include <linux/lguest.h>
+#include "../../../drivers/lguest/lg.h"
+#endif
+
+#define DEFINE(sym, val) \
+ asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define BLANK() asm volatile("\n->" : : )
+
+#define OFFSET(sym, str, mem) \
+ DEFINE(sym, offsetof(struct str, mem));
+
+/* workaround for a warning with -Wmissing-prototypes */
+void foo(void);
+
+void foo(void)
+{
+ OFFSET(SIGCONTEXT_eax, sigcontext, eax);
+ OFFSET(SIGCONTEXT_ebx, sigcontext, ebx);
+ OFFSET(SIGCONTEXT_ecx, sigcontext, ecx);
+ OFFSET(SIGCONTEXT_edx, sigcontext, edx);
+ OFFSET(SIGCONTEXT_esi, sigcontext, esi);
+ OFFSET(SIGCONTEXT_edi, sigcontext, edi);
+ OFFSET(SIGCONTEXT_ebp, sigcontext, ebp);
+ OFFSET(SIGCONTEXT_esp, sigcontext, esp);
+ OFFSET(SIGCONTEXT_eip, sigcontext, eip);
+ BLANK();
+
+ OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
+ OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
+ OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
+ OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
+ OFFSET(CPUINFO_hard_math, cpuinfo_x86, hard_math);
+ OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
+ OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
+ OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
+ BLANK();
+
+ OFFSET(TI_task, thread_info, task);
+ OFFSET(TI_exec_domain, thread_info, exec_domain);
+ OFFSET(TI_flags, thread_info, flags);
+ OFFSET(TI_status, thread_info, status);
+ OFFSET(TI_preempt_count, thread_info, preempt_count);
+ OFFSET(TI_addr_limit, thread_info, addr_limit);
+ OFFSET(TI_restart_block, thread_info, restart_block);
+ OFFSET(TI_sysenter_return, thread_info, sysenter_return);
+ OFFSET(TI_cpu, thread_info, cpu);
+ BLANK();
+
+ OFFSET(GDS_size, Xgt_desc_struct, size);
+ OFFSET(GDS_address, Xgt_desc_struct, address);
+ OFFSET(GDS_pad, Xgt_desc_struct, pad);
+ BLANK();
+
+ OFFSET(PT_EBX, pt_regs, ebx);
+ OFFSET(PT_ECX, pt_regs, ecx);
+ OFFSET(PT_EDX, pt_regs, edx);
+ OFFSET(PT_ESI, pt_regs, esi);
+ OFFSET(PT_EDI, pt_regs, edi);
+ OFFSET(PT_EBP, pt_regs, ebp);
+ OFFSET(PT_EAX, pt_regs, eax);
+ OFFSET(PT_DS, pt_regs, xds);
+ OFFSET(PT_ES, pt_regs, xes);
+ OFFSET(PT_FS, pt_regs, xfs);
+ OFFSET(PT_ORIG_EAX, pt_regs, orig_eax);
+ OFFSET(PT_EIP, pt_regs, eip);
+ OFFSET(PT_CS, pt_regs, xcs);
+ OFFSET(PT_EFLAGS, pt_regs, eflags);
+ OFFSET(PT_OLDESP, pt_regs, esp);
+ OFFSET(PT_OLDSS, pt_regs, xss);
+ BLANK();
+
+ OFFSET(EXEC_DOMAIN_handler, exec_domain, handler);
+ OFFSET(RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
+ BLANK();
+
+ OFFSET(pbe_address, pbe, address);
+ OFFSET(pbe_orig_address, pbe, orig_address);
+ OFFSET(pbe_next, pbe, next);
+
+ /* Offset from the sysenter stack to tss.esp0 */
+ DEFINE(TSS_sysenter_esp0, offsetof(struct tss_struct, x86_tss.esp0) -
+ sizeof(struct tss_struct));
+
+ DEFINE(PAGE_SIZE_asm, PAGE_SIZE);
+ DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT);
+ DEFINE(PTRS_PER_PTE, PTRS_PER_PTE);
+ DEFINE(PTRS_PER_PMD, PTRS_PER_PMD);
+ DEFINE(PTRS_PER_PGD, PTRS_PER_PGD);
+
+ DEFINE(VDSO_PRELINK_asm, VDSO_PRELINK);
+
+ OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx);
+
+#ifdef CONFIG_PARAVIRT
+ BLANK();
+ OFFSET(PARAVIRT_enabled, paravirt_ops, paravirt_enabled);
+ OFFSET(PARAVIRT_irq_disable, paravirt_ops, irq_disable);
+ OFFSET(PARAVIRT_irq_enable, paravirt_ops, irq_enable);
+ OFFSET(PARAVIRT_irq_enable_sysexit, paravirt_ops, irq_enable_sysexit);
+ OFFSET(PARAVIRT_iret, paravirt_ops, iret);
+ OFFSET(PARAVIRT_read_cr0, paravirt_ops, read_cr0);
+#endif
+
+#ifdef CONFIG_XEN
+ BLANK();
+ OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
+ OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
+#endif
+
+#ifdef CONFIG_LGUEST_GUEST
+ BLANK();
+ OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
+ OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
+ OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
+ OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
+ OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
+ OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
+ OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
+ OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
+ OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
+ OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
+ OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
+#endif
+}