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Commit 8d0d37cf authored by Thomas Gleixner's avatar Thomas Gleixner
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i386: prepare shared kernel/asm-offsets.c 

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 08eafb9b
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Showing with 151 additions and 146 deletions
arch/i386/kernel/asm-offsets.c
View file @ 8d0d37cf
/* #ifdef CONFIG_X86_32
* Generate definitions needed by assembly language modules. # include "asm-offsets_32.c"
* This code generates raw asm output which is post-processed #else
* to extract and format the required data. # include "asm-offsets_64.c"
*/
#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 #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
}
arch/i386/kernel/asm-offsets_32.c 0 → 100644
View file @ 8d0d37cf
/*
* 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
}
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