68 lines
2 KiB
C
68 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#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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#define __SYSCALL_I386(nr, sym, qual) [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(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_stepping, cpuinfo_x86, x86_stepping);
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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(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(saved_context_gdt_desc, saved_context, gdt_desc);
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BLANK();
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/*
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* Offset from the entry stack to task stack stored in TSS. Kernel entry
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* happens on the per-cpu entry-stack, and the asm code switches to the
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* task-stack pointer stored in x86_tss.sp1, which is a copy of
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* task->thread.sp0 where entry code can find it.
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*/
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DEFINE(TSS_entry2task_stack,
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offsetof(struct cpu_entry_area, tss.x86_tss.sp1) -
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offsetofend(struct cpu_entry_area, entry_stack_page.stack));
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#ifdef CONFIG_STACKPROTECTOR
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BLANK();
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OFFSET(stack_canary_offset, stack_canary, canary);
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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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