arch/mn10300/kernel/asm-offsets.c

   1 /*
   2  * Generate definitions needed by assembly language modules.
   3  * This code generates raw asm output which is post-processed
   4  * to extract and format the required data.
   5  */
   6
   7 #include <linux/sched.h>
   8 #include <linux/signal.h>
   9 #include <linux/personality.h>
  10 #include <asm/ucontext.h>
  11 #include <asm/processor.h>
  12 #include <asm/thread_info.h>
  13 #include <asm/ptrace.h>
  14 #include "sigframe.h"
  15 #include "mn10300-serial.h"
  16
  17 #define DEFINE(sym, val) \
  18         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
  19
  20 #define BLANK() asm volatile("\n->")
  21
  22 #define OFFSET(sym, str, mem) \
  23         DEFINE(sym, offsetof(struct str, mem));
  24
  25 void foo(void)
  26 {
  27         OFFSET(SIGCONTEXT_d0, sigcontext, d0);
  28         OFFSET(SIGCONTEXT_d1, sigcontext, d1);
  29         BLANK();
  30
  31         OFFSET(TI_task,                 thread_info, task);
  32         OFFSET(TI_exec_domain,          thread_info, exec_domain);
  33         OFFSET(TI_flags,                thread_info, flags);
  34         OFFSET(TI_cpu,                  thread_info, cpu);
  35         OFFSET(TI_preempt_count,        thread_info, preempt_count);
  36         OFFSET(TI_addr_limit,           thread_info, addr_limit);
  37         OFFSET(TI_restart_block,        thread_info, restart_block);
  38         BLANK();
  39
  40         OFFSET(REG_D0,                  pt_regs, d0);
  41         OFFSET(REG_D1,                  pt_regs, d1);
  42         OFFSET(REG_D2,                  pt_regs, d2);
  43         OFFSET(REG_D3,                  pt_regs, d3);
  44         OFFSET(REG_A0,                  pt_regs, a0);
  45         OFFSET(REG_A1,                  pt_regs, a1);
  46         OFFSET(REG_A2,                  pt_regs, a2);
  47         OFFSET(REG_A3,                  pt_regs, a3);
  48         OFFSET(REG_E0,                  pt_regs, e0);
  49         OFFSET(REG_E1,                  pt_regs, e1);
  50         OFFSET(REG_E2,                  pt_regs, e2);
  51         OFFSET(REG_E3,                  pt_regs, e3);
  52         OFFSET(REG_E4,                  pt_regs, e4);
  53         OFFSET(REG_E5,                  pt_regs, e5);
  54         OFFSET(REG_E6,                  pt_regs, e6);
  55         OFFSET(REG_E7,                  pt_regs, e7);
  56         OFFSET(REG_SP,                  pt_regs, sp);
  57         OFFSET(REG_EPSW,                pt_regs, epsw);
  58         OFFSET(REG_PC,                  pt_regs, pc);
  59         OFFSET(REG_LAR,                 pt_regs, lar);
  60         OFFSET(REG_LIR,                 pt_regs, lir);
  61         OFFSET(REG_MDR,                 pt_regs, mdr);
  62         OFFSET(REG_MCVF,                pt_regs, mcvf);
  63         OFFSET(REG_MCRL,                pt_regs, mcrl);
  64         OFFSET(REG_MCRH,                pt_regs, mcrh);
  65         OFFSET(REG_MDRQ,                pt_regs, mdrq);
  66         OFFSET(REG_ORIG_D0,             pt_regs, orig_d0);
  67         OFFSET(REG_NEXT,                pt_regs, next);
  68         DEFINE(REG__END,                sizeof(struct pt_regs));
  69         BLANK();
  70
  71         OFFSET(THREAD_UREGS,            thread_struct, uregs);
  72         OFFSET(THREAD_PC,               thread_struct, pc);
  73         OFFSET(THREAD_SP,               thread_struct, sp);
  74         OFFSET(THREAD_A3,               thread_struct, a3);
  75         OFFSET(THREAD_USP,              thread_struct, usp);
  76         OFFSET(THREAD_FRAME,            thread_struct, __frame);
  77         BLANK();
  78
  79         DEFINE(CLONE_VM_asm,            CLONE_VM);
  80         DEFINE(CLONE_FS_asm,            CLONE_FS);
  81         DEFINE(CLONE_FILES_asm,         CLONE_FILES);
  82         DEFINE(CLONE_SIGHAND_asm,       CLONE_SIGHAND);
  83         DEFINE(CLONE_UNTRACED_asm,      CLONE_UNTRACED);
  84         DEFINE(SIGCHLD_asm,             SIGCHLD);
  85         BLANK();
  86
  87         OFFSET(EXEC_DOMAIN_handler,     exec_domain, handler);
  88         OFFSET(RT_SIGFRAME_sigcontext,  rt_sigframe, uc.uc_mcontext);
  89
  90         DEFINE(PAGE_SIZE_asm,           PAGE_SIZE);
  91
  92         OFFSET(__rx_buffer,             mn10300_serial_port, rx_buffer);
  93         OFFSET(__rx_inp,                mn10300_serial_port, rx_inp);
  94         OFFSET(__rx_outp,               mn10300_serial_port, rx_outp);
  95         OFFSET(__tx_info_buffer,        mn10300_serial_port, uart.info);
  96         OFFSET(__tx_xchar,              mn10300_serial_port, tx_xchar);
  97         OFFSET(__tx_break,              mn10300_serial_port, tx_break);
  98         OFFSET(__intr_flags,            mn10300_serial_port, intr_flags);
  99         OFFSET(__rx_icr,                mn10300_serial_port, rx_icr);
 100         OFFSET(__tx_icr,                mn10300_serial_port, tx_icr);
 101         OFFSET(__tm_icr,                mn10300_serial_port, _tmicr);
 102         OFFSET(__iobase,                mn10300_serial_port, _iobase);
 103
 104         DEFINE(__UART_XMIT_SIZE,        UART_XMIT_SIZE);
 105         OFFSET(__xmit_buffer,           uart_info, xmit.buf);
 106         OFFSET(__xmit_head,             uart_info, xmit.head);
 107         OFFSET(__xmit_tail,             uart_info, xmit.tail);
 108 }