77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
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* This program is used to generate definitions needed by
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* assembly language modules.
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*
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* We use the technique used in the OSF Mach kernel code:
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* generate asm statements containing #defines,
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* compile this file to assembler, and then extract the
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* #defines from the assembly-language output.
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*/
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#include <linux/stddef.h>
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#include <linux/sched.h>
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#include <linux/kernel_stat.h>
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#include <linux/ptrace.h>
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#include <linux/hardirq.h>
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#include <linux/kbuild.h>
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#include <asm/bootinfo.h>
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#include <asm/irq.h>
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#include <asm/thread_info.h>
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int main(void)
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{
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/* offsets into the task struct */
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DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
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DEFINE(TASK_MM, offsetof(struct task_struct, mm));
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/* offsets into the irq_cpustat_t struct */
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DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
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/* offsets into the thread struct */
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DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
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DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
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DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
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DEFINE(THREAD_FS, offsetof(struct thread_struct, fs));
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DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
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DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
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DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
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DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
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DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
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/* offsets into the pt_regs */
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DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0));
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DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0));
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DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1));
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DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2));
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DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3));
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DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4));
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DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5));
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DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0));
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DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1));
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DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2));
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DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc));
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DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr));
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#ifdef CONFIG_COLDFIRE
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/* bitfields are a bit difficult */
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DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2);
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#else
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/* bitfields are a bit difficult */
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DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
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#endif
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/* signal defines */
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DEFINE(SIGSEGV, SIGSEGV);
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DEFINE(SEGV_MAPERR, SEGV_MAPERR);
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DEFINE(SIGTRAP, SIGTRAP);
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DEFINE(TRAP_TRACE, TRAP_TRACE);
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DEFINE(PT_PTRACED, PT_PTRACED);
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/* Offsets in thread_info structure */
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DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
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DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count));
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return 0;
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}
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