linux-user/sparc/target_mman.h

   1 #ifndef SPARC_TARGET_MMAN_H
   2 #define SPARC_TARGET_MMAN_H
   3
   4 #define TARGET_MAP_NORESERVE           0x40
   5 #define TARGET_MAP_LOCKED              0x100
   6 #define TARGET_MAP_GROWSDOWN           0x0200
   7
   8 /*
   9  * arch/sparc/include/asm/page_64.h:
  10  * TASK_UNMAPPED_BASE      (test_thread_flag(TIF_32BIT) ? \
  11  *                          _AC(0x0000000070000000,UL) : \
  12  *                          VA_EXCLUDE_END)
  13  * But VA_EXCLUDE_END is > 0xffff800000000000UL which doesn't work
  14  * in userland emulation.
  15  */
  16 #ifdef TARGET_ABI32
  17 #define TASK_UNMAPPED_BASE      0x70000000
  18 #else
  19 #define TASK_UNMAPPED_BASE      (1ull << (TARGET_VIRT_ADDR_SPACE_BITS - 2))
  20 #endif
  21
  22 /*
  23  * arch/sparc/include/asm/elf_64.h
  24  * Except that COMPAT_ELF_ET_DYN_BASE exactly matches TASK_UNMAPPED_BASE,
  25  * so move it up a bit.
  26  */
  27 #ifdef TARGET_ABI32
  28 #define ELF_ET_DYN_BASE         0x78000000
  29 #else
  30 #define ELF_ET_DYN_BASE         0x0000010000000000ull
  31 #endif
  32
  33 #include "../generic/target_mman.h"
  34
  35 #endif