include/asm-um/archparam-i386.h

   1 /*
   2  * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __UM_ARCHPARAM_I386_H
   7 #define __UM_ARCHPARAM_I386_H
   8
   9 /********* Bits for asm-um/elf.h ************/
  10
  11 #include "user.h"
  12
  13 #define ELF_PLATFORM "i586"
  14
  15 #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
  16
  17 typedef struct user_i387_struct elf_fpregset_t;
  18 typedef unsigned long elf_greg_t;
  19
  20 #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
  21 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  22
  23 #define ELF_DATA        ELFDATA2LSB
  24 #define ELF_ARCH        EM_386
  25
  26 #define ELF_PLAT_INIT(regs, load_addr) do { \
  27         PT_REGS_EBX(regs) = 0; \
  28         PT_REGS_ECX(regs) = 0; \
  29         PT_REGS_EDX(regs) = 0; \
  30         PT_REGS_ESI(regs) = 0; \
  31         PT_REGS_EDI(regs) = 0; \
  32         PT_REGS_EBP(regs) = 0; \
  33         PT_REGS_EAX(regs) = 0; \
  34 } while(0)
  35
  36 /* Shamelessly stolen from include/asm-i386/elf.h */
  37
  38 #define ELF_CORE_COPY_REGS(pr_reg, regs) do {   \
  39         pr_reg[0] = PT_REGS_EBX(regs);          \
  40         pr_reg[1] = PT_REGS_ECX(regs);          \
  41         pr_reg[2] = PT_REGS_EDX(regs);          \
  42         pr_reg[3] = PT_REGS_ESI(regs);          \
  43         pr_reg[4] = PT_REGS_EDI(regs);          \
  44         pr_reg[5] = PT_REGS_EBP(regs);          \
  45         pr_reg[6] = PT_REGS_EAX(regs);          \
  46         pr_reg[7] = PT_REGS_DS(regs);           \
  47         pr_reg[8] = PT_REGS_ES(regs);           \
  48         /* fake once used fs and gs selectors? */       \
  49         pr_reg[9] = PT_REGS_DS(regs);           \
  50         pr_reg[10] = PT_REGS_DS(regs);          \
  51         pr_reg[11] = PT_REGS_SYSCALL_NR(regs);  \
  52         pr_reg[12] = PT_REGS_IP(regs);          \
  53         pr_reg[13] = PT_REGS_CS(regs);          \
  54         pr_reg[14] = PT_REGS_EFLAGS(regs);      \
  55         pr_reg[15] = PT_REGS_SP(regs);          \
  56         pr_reg[16] = PT_REGS_SS(regs);          \
  57 } while(0);
  58
  59 /********* Bits for asm-um/delay.h **********/
  60
  61 typedef unsigned long um_udelay_t;
  62
  63 /********* Nothing for asm-um/hardirq.h **********/
  64
  65 /********* Nothing for asm-um/hw_irq.h **********/
  66
  67 /********* Nothing for asm-um/string.h **********/
  68
  69 #endif
  70
  71 /*
  72  * Overrides for Emacs so that we follow Linus's tabbing style.
  73  * Emacs will notice this stuff at the end of the file and automatically
  74  * adjust the settings for this buffer only.  This must remain at the end
  75  * of the file.
  76  * ---------------------------------------------------------------------------
  77  * Local variables:
  78  * c-file-style: "linux"
  79  * End:
  80  */