arch/mips/include/asm/elfcore-compat.h

   1 #ifndef _ASM_MIPS_ELFCORE_COMPAT_H
   2 #define _ASM_MIPS_ELFCORE_COMPAT_H
   3
   4 /*
   5  * On mips we have two 32bit ABIs - o32 and n32.  The latter
   6  * has bigger registers, so we use it for compat_elf_regset_t.
   7  * The former uses o32_elf_prstatus and PRSTATUS_SIZE/SET_PR_FPVALID
   8  * are used to choose the size and location of ->pr_fpvalid of
   9  * the layout actually used.
  10  */
  11 typedef elf_gregset_t compat_elf_gregset_t;
  12
  13 struct o32_elf_prstatus
  14 {
  15         struct compat_elf_prstatus_common       common;
  16         unsigned int                    pr_reg[ELF_NGREG];
  17         compat_int_t                    pr_fpvalid;
  18 };
  19
  20 #define PRSTATUS_SIZE \
  21         (!test_thread_flag(TIF_32BIT_REGS) \
  22                 ? sizeof(struct compat_elf_prstatus) \
  23                 : sizeof(struct o32_elf_prstatus))
  24 #define SET_PR_FPVALID(S) \
  25         (*(!test_thread_flag(TIF_32BIT_REGS) \
  26                 ? &(S)->pr_fpvalid      \
  27                 : &((struct o32_elf_prstatus *)(S))->pr_fpvalid) = 1)
  28
  29 #endif