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 (3942B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * This program is used to generate definitions needed by
      4 * assembly language modules.
      5 *
      6 * We use the technique used in the OSF Mach kernel code:
      7 * generate asm statements containing #defines,
      8 * compile this file to assembler, and then extract the
      9 * #defines from the assembly-language output.
     10 */
     11
     12#define ASM_OFFSETS_C
     13
     14#include <linux/stddef.h>
     15#include <linux/sched.h>
     16#include <linux/kernel_stat.h>
     17#include <linux/kbuild.h>
     18#include <asm/bootinfo.h>
     19#include <asm/irq.h>
     20#include <asm/amigahw.h>
     21#include <linux/font.h>
     22
     23int main(void)
     24{
     25	/* offsets into the task struct */
     26	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
     27	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
     28	DEFINE(TASK_STACK, offsetof(struct task_struct, stack));
     29
     30	/* offsets into the thread struct */
     31	DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
     32	DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
     33	DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
     34	DEFINE(THREAD_FC, offsetof(struct thread_struct, fc));
     35	DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp));
     36	DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0));
     37	DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp));
     38	DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl));
     39	DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate));
     40
     41	/* offsets into the thread_info struct */
     42	DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
     43	DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
     44
     45	/* offsets into the pt_regs */
     46	DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0));
     47	DEFINE(PT_OFF_ORIG_D0, offsetof(struct pt_regs, orig_d0));
     48	DEFINE(PT_OFF_D1, offsetof(struct pt_regs, d1));
     49	DEFINE(PT_OFF_D2, offsetof(struct pt_regs, d2));
     50	DEFINE(PT_OFF_D3, offsetof(struct pt_regs, d3));
     51	DEFINE(PT_OFF_D4, offsetof(struct pt_regs, d4));
     52	DEFINE(PT_OFF_D5, offsetof(struct pt_regs, d5));
     53	DEFINE(PT_OFF_A0, offsetof(struct pt_regs, a0));
     54	DEFINE(PT_OFF_A1, offsetof(struct pt_regs, a1));
     55	DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2));
     56	DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc));
     57	DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr));
     58
     59	/* bitfields are a bit difficult */
     60#ifdef CONFIG_COLDFIRE
     61	DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, sr) - 2);
     62#else
     63	DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
     64#endif
     65
     66	/* offsets into the irq_cpustat_t struct */
     67	DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
     68
     69	/* signal defines */
     70	DEFINE(LSIGSEGV, SIGSEGV);
     71	DEFINE(LSEGV_MAPERR, SEGV_MAPERR);
     72	DEFINE(LSIGTRAP, SIGTRAP);
     73	DEFINE(LTRAP_TRACE, TRAP_TRACE);
     74
     75#ifdef CONFIG_MMU
     76	/* offsets into the bi_record struct */
     77	DEFINE(BIR_TAG, offsetof(struct bi_record, tag));
     78	DEFINE(BIR_SIZE, offsetof(struct bi_record, size));
     79	DEFINE(BIR_DATA, offsetof(struct bi_record, data));
     80
     81	/* offsets into the font_desc struct */
     82	DEFINE(FONT_DESC_IDX, offsetof(struct font_desc, idx));
     83	DEFINE(FONT_DESC_NAME, offsetof(struct font_desc, name));
     84	DEFINE(FONT_DESC_WIDTH, offsetof(struct font_desc, width));
     85	DEFINE(FONT_DESC_HEIGHT, offsetof(struct font_desc, height));
     86	DEFINE(FONT_DESC_DATA, offsetof(struct font_desc, data));
     87	DEFINE(FONT_DESC_PREF, offsetof(struct font_desc, pref));
     88
     89	/* offsets into the custom struct */
     90	DEFINE(CUSTOMBASE, &amiga_custom);
     91	DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar));
     92	DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr));
     93	DEFINE(C_INTENA, offsetof(struct CUSTOM, intena));
     94	DEFINE(C_INTREQ, offsetof(struct CUSTOM, intreq));
     95	DEFINE(C_SERDATR, offsetof(struct CUSTOM, serdatr));
     96	DEFINE(C_SERDAT, offsetof(struct CUSTOM, serdat));
     97	DEFINE(C_SERPER, offsetof(struct CUSTOM, serper));
     98	DEFINE(CIAABASE, &ciaa);
     99	DEFINE(CIABBASE, &ciab);
    100	DEFINE(C_PRA, offsetof(struct CIA, pra));
    101	DEFINE(ZTWOBASE, zTwoBase);
    102
    103	/* enum m68k_fixup_type */
    104	DEFINE(M68K_FIXUP_MEMOFFSET, m68k_fixup_memoffset);
    105#endif
    106
    107	return 0;
    108}