mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-16 23:26:42 +07:00
5de2b61a63
Sometimes it is helpful to build a kernel compilation unit
directly, i.e.:
make .../<filename>.i
in order to look at compiler output.
Since asm-offsets_{32,64}.c are included by asm-offsets.c and
building them directly doesn't evaluate the macros used (thus
making the preprocessor output not very useful), error out when
an attempt is made to build them. Issue a hint for the user to
build asm-offsets.c instead.
Suggested-by: Michael Matz <matz@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1418139917-12722-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
#ifndef __LINUX_KBUILD_H
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# error "Please do not build this file directly, build asm-offsets.c instead"
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#endif
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#include <asm/ucontext.h>
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#include <linux/lguest.h>
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#include "../../../drivers/lguest/lg.h"
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#define __SYSCALL_I386(nr, sym, compat) [nr] = 1,
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static char syscalls[] = {
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#include <asm/syscalls_32.h>
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};
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/* workaround for a warning with -Wmissing-prototypes */
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void foo(void);
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void foo(void)
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{
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OFFSET(IA32_SIGCONTEXT_ax, sigcontext, ax);
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OFFSET(IA32_SIGCONTEXT_bx, sigcontext, bx);
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OFFSET(IA32_SIGCONTEXT_cx, sigcontext, cx);
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OFFSET(IA32_SIGCONTEXT_dx, sigcontext, dx);
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OFFSET(IA32_SIGCONTEXT_si, sigcontext, si);
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OFFSET(IA32_SIGCONTEXT_di, sigcontext, di);
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OFFSET(IA32_SIGCONTEXT_bp, sigcontext, bp);
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OFFSET(IA32_SIGCONTEXT_sp, sigcontext, sp);
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OFFSET(IA32_SIGCONTEXT_ip, sigcontext, ip);
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BLANK();
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OFFSET(CPUINFO_x86, cpuinfo_x86, x86);
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OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor);
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OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model);
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OFFSET(CPUINFO_x86_mask, cpuinfo_x86, x86_mask);
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OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level);
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OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability);
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OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id);
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BLANK();
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OFFSET(TI_sysenter_return, thread_info, sysenter_return);
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OFFSET(TI_cpu, thread_info, cpu);
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BLANK();
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OFFSET(PT_EBX, pt_regs, bx);
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OFFSET(PT_ECX, pt_regs, cx);
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OFFSET(PT_EDX, pt_regs, dx);
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OFFSET(PT_ESI, pt_regs, si);
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OFFSET(PT_EDI, pt_regs, di);
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OFFSET(PT_EBP, pt_regs, bp);
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OFFSET(PT_EAX, pt_regs, ax);
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OFFSET(PT_DS, pt_regs, ds);
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OFFSET(PT_ES, pt_regs, es);
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OFFSET(PT_FS, pt_regs, fs);
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OFFSET(PT_GS, pt_regs, gs);
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OFFSET(PT_ORIG_EAX, pt_regs, orig_ax);
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OFFSET(PT_EIP, pt_regs, ip);
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OFFSET(PT_CS, pt_regs, cs);
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OFFSET(PT_EFLAGS, pt_regs, flags);
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OFFSET(PT_OLDESP, pt_regs, sp);
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OFFSET(PT_OLDSS, pt_regs, ss);
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BLANK();
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OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe, uc.uc_mcontext);
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BLANK();
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OFFSET(saved_context_gdt_desc, saved_context, gdt_desc);
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BLANK();
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/* Offset from the sysenter stack to tss.sp0 */
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DEFINE(TSS_sysenter_sp0, offsetof(struct tss_struct, x86_tss.sp0) -
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sizeof(struct tss_struct));
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#if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
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BLANK();
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OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
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OFFSET(LGUEST_DATA_irq_pending, lguest_data, irq_pending);
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BLANK();
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OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
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OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
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OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);
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OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);
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OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);
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OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);
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OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);
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OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);
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OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);
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OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);
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#endif
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BLANK();
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DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
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DEFINE(NR_syscalls, sizeof(syscalls));
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}
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