c7245da6ae
There's no need to combine restoring the user rsp within the sysret pvop, so split it out. This makes the pvop's semantics closer to the machine instruction. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citirx.com> Cc: xen-devel <xen-devel@lists.xensource.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
133 lines
3.2 KiB
C
133 lines
3.2 KiB
C
/*
|
|
* 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 <linux/kbuild.h>
|
|
#include <asm/pda.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/segment.h>
|
|
#include <asm/thread_info.h>
|
|
#include <asm/ia32.h>
|
|
#include <asm/bootparam.h>
|
|
|
|
#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(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);
|
|
#ifdef CONFIG_IA32_EMULATION
|
|
ENTRY(sysenter_return);
|
|
#endif
|
|
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_PARAVIRT
|
|
BLANK();
|
|
OFFSET(PARAVIRT_enabled, pv_info, paravirt_enabled);
|
|
OFFSET(PARAVIRT_PATCH_pv_cpu_ops, paravirt_patch_template, pv_cpu_ops);
|
|
OFFSET(PARAVIRT_PATCH_pv_irq_ops, paravirt_patch_template, pv_irq_ops);
|
|
OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
|
|
OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
|
|
OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
|
|
OFFSET(PV_CPU_usergs_sysret, pv_cpu_ops, usergs_sysret);
|
|
OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
|
|
OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
|
|
#endif
|
|
|
|
|
|
#ifdef CONFIG_IA32_EMULATION
|
|
#define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry))
|
|
ENTRY(ax);
|
|
ENTRY(bx);
|
|
ENTRY(cx);
|
|
ENTRY(dx);
|
|
ENTRY(si);
|
|
ENTRY(di);
|
|
ENTRY(bp);
|
|
ENTRY(sp);
|
|
ENTRY(ip);
|
|
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 ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry))
|
|
ENTRY(bx);
|
|
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) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry))
|
|
ENTRY(cr0);
|
|
ENTRY(cr2);
|
|
ENTRY(cr3);
|
|
ENTRY(cr4);
|
|
ENTRY(cr8);
|
|
BLANK();
|
|
#undef ENTRY
|
|
DEFINE(TSS_ist, offsetof(struct tss_struct, x86_tss.ist));
|
|
BLANK();
|
|
DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
|
|
BLANK();
|
|
DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
|
|
|
|
BLANK();
|
|
OFFSET(BP_scratch, boot_params, scratch);
|
|
OFFSET(BP_loadflags, boot_params, hdr.loadflags);
|
|
OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
|
|
OFFSET(BP_version, boot_params, hdr.version);
|
|
return 0;
|
|
}
|