qemu-e2k/linux-user/sparc/target_mman.h
Richard Henderson da2b71fab6 linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h
Copy each guest kernel's default value, then bound it
against reserved_va or the host address space.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-08 13:27:15 -07:00

36 lines
961 B
C

#ifndef SPARC_TARGET_MMAN_H
#define SPARC_TARGET_MMAN_H
#define TARGET_MAP_NORESERVE 0x40
#define TARGET_MAP_LOCKED 0x100
#define TARGET_MAP_GROWSDOWN 0x0200
/*
* arch/sparc/include/asm/page_64.h:
* TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \
* _AC(0x0000000070000000,UL) : \
* VA_EXCLUDE_END)
* But VA_EXCLUDE_END is > 0xffff800000000000UL which doesn't work
* in userland emulation.
*/
#ifdef TARGET_ABI32
#define TASK_UNMAPPED_BASE 0x70000000
#else
#define TASK_UNMAPPED_BASE (1ull << (TARGET_VIRT_ADDR_SPACE_BITS - 2))
#endif
/*
* arch/sparc/include/asm/elf_64.h
* Except that COMPAT_ELF_ET_DYN_BASE exactly matches TASK_UNMAPPED_BASE,
* so move it up a bit.
*/
#ifdef TARGET_ABI32
#define ELF_ET_DYN_BASE 0x78000000
#else
#define ELF_ET_DYN_BASE 0x0000010000000000ull
#endif
#include "../generic/target_mman.h"
#endif