cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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asm-offsets.c (3947B)


      1// SPDX-License-Identifier: GPL-2.0
      2// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
      3
      4#include <linux/sched.h>
      5#include <linux/kernel_stat.h>
      6#include <linux/kbuild.h>
      7#include <abi/regdef.h>
      8
      9int main(void)
     10{
     11	/* offsets into the task struct */
     12	DEFINE(TASK_THREAD_INFO,  offsetof(struct task_struct, stack));
     13	DEFINE(TASK_FLAGS,        offsetof(struct task_struct, flags));
     14	DEFINE(TASK_PTRACE,       offsetof(struct task_struct, ptrace));
     15	DEFINE(TASK_THREAD,       offsetof(struct task_struct, thread));
     16	DEFINE(TASK_MM,           offsetof(struct task_struct, mm));
     17	DEFINE(TASK_ACTIVE_MM,    offsetof(struct task_struct, active_mm));
     18
     19	/* offsets into the thread struct */
     20	DEFINE(THREAD_KSP,        offsetof(struct thread_struct, sp));
     21	DEFINE(THREAD_FESR,       offsetof(struct thread_struct, user_fp.fesr));
     22	DEFINE(THREAD_FCR,        offsetof(struct thread_struct, user_fp.fcr));
     23	DEFINE(THREAD_FPREG,      offsetof(struct thread_struct, user_fp.vr));
     24
     25	/* offsets into the thread_info struct */
     26	DEFINE(TINFO_FLAGS,       offsetof(struct thread_info, flags));
     27	DEFINE(TINFO_PREEMPT,     offsetof(struct thread_info, preempt_count));
     28	DEFINE(TINFO_TP_VALUE,   offsetof(struct thread_info, tp_value));
     29	DEFINE(TINFO_TASK,        offsetof(struct thread_info, task));
     30
     31	/* offsets into the pt_regs */
     32	DEFINE(PT_PC,             offsetof(struct pt_regs, pc));
     33	DEFINE(PT_ORIG_AO,        offsetof(struct pt_regs, orig_a0));
     34	DEFINE(PT_SR,             offsetof(struct pt_regs, sr));
     35
     36	DEFINE(PT_A0,             offsetof(struct pt_regs, a0));
     37	DEFINE(PT_A1,             offsetof(struct pt_regs, a1));
     38	DEFINE(PT_A2,             offsetof(struct pt_regs, a2));
     39	DEFINE(PT_A3,             offsetof(struct pt_regs, a3));
     40	DEFINE(PT_REGS0,          offsetof(struct pt_regs, regs[0]));
     41	DEFINE(PT_REGS1,          offsetof(struct pt_regs, regs[1]));
     42	DEFINE(PT_REGS2,          offsetof(struct pt_regs, regs[2]));
     43	DEFINE(PT_REGS3,          offsetof(struct pt_regs, regs[3]));
     44	DEFINE(PT_REGS4,          offsetof(struct pt_regs, regs[4]));
     45	DEFINE(PT_REGS5,          offsetof(struct pt_regs, regs[5]));
     46	DEFINE(PT_REGS6,          offsetof(struct pt_regs, regs[6]));
     47	DEFINE(PT_REGS7,          offsetof(struct pt_regs, regs[7]));
     48	DEFINE(PT_REGS8,          offsetof(struct pt_regs, regs[8]));
     49	DEFINE(PT_REGS9,          offsetof(struct pt_regs, regs[9]));
     50	DEFINE(PT_R15,            offsetof(struct pt_regs, lr));
     51#if defined(__CSKYABIV2__)
     52	DEFINE(PT_R16,            offsetof(struct pt_regs, exregs[0]));
     53	DEFINE(PT_R17,            offsetof(struct pt_regs, exregs[1]));
     54	DEFINE(PT_R18,            offsetof(struct pt_regs, exregs[2]));
     55	DEFINE(PT_R19,            offsetof(struct pt_regs, exregs[3]));
     56	DEFINE(PT_R20,            offsetof(struct pt_regs, exregs[4]));
     57	DEFINE(PT_R21,            offsetof(struct pt_regs, exregs[5]));
     58	DEFINE(PT_R22,            offsetof(struct pt_regs, exregs[6]));
     59	DEFINE(PT_R23,            offsetof(struct pt_regs, exregs[7]));
     60	DEFINE(PT_R24,            offsetof(struct pt_regs, exregs[8]));
     61	DEFINE(PT_R25,            offsetof(struct pt_regs, exregs[9]));
     62	DEFINE(PT_R26,            offsetof(struct pt_regs, exregs[10]));
     63	DEFINE(PT_R27,            offsetof(struct pt_regs, exregs[11]));
     64	DEFINE(PT_R28,            offsetof(struct pt_regs, exregs[12]));
     65	DEFINE(PT_R29,            offsetof(struct pt_regs, exregs[13]));
     66	DEFINE(PT_R30,            offsetof(struct pt_regs, exregs[14]));
     67	DEFINE(PT_R31,            offsetof(struct pt_regs, exregs[15]));
     68	DEFINE(PT_RHI,            offsetof(struct pt_regs, rhi));
     69	DEFINE(PT_RLO,            offsetof(struct pt_regs, rlo));
     70#endif
     71	DEFINE(PT_USP,            offsetof(struct pt_regs, usp));
     72	DEFINE(PT_FRAME_SIZE,     sizeof(struct pt_regs));
     73
     74	/* offsets into the irq_cpustat_t struct */
     75	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t,
     76						__softirq_pending));
     77
     78	/* signal defines */
     79	DEFINE(SIGSEGV, SIGSEGV);
     80	DEFINE(SIGTRAP, SIGTRAP);
     81
     82	return 0;
     83}