Commit 5286db75a80d4a4bcee3d0b0790daf85ce460d13

Authored by bellard
1 parent 917f95fd

convert mmap flags (alpha fix)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@208 c046a42c-6fe2-441c-8c8c-71466251a162
linux-user/syscall.c
... ... @@ -958,6 +958,18 @@ StructEntry struct_termios_def = {
958 958 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
959 959 };
960 960  
  961 +static bitmask_transtbl mmap_flags_tbl[] = {
  962 + { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
  963 + { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
  964 + { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
  965 + { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
  966 + { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
  967 + { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
  968 + { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
  969 + { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
  970 + { 0, 0, 0, 0 }
  971 +};
  972 +
961 973 #ifdef TARGET_I386
962 974  
963 975 /* NOTE: there is really one LDT for all the threads */
... ... @@ -1744,7 +1756,9 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1744 1756 v4 = tswap32(vptr[3]);
1745 1757 v5 = tswap32(vptr[4]);
1746 1758 v6 = tswap32(vptr[5]);
1747   - ret = get_errno(target_mmap(v1, v2, v3, v4, v5, v6));
  1759 + ret = get_errno(target_mmap(v1, v2, v3,
  1760 + target_to_host_bitmask(v4, mmap_flags_tbl),
  1761 + v5, v6));
1748 1762 }
1749 1763 break;
1750 1764 #endif
... ... @@ -1753,7 +1767,9 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
1753 1767 #else
1754 1768 case TARGET_NR_mmap:
1755 1769 #endif
1756   - ret = get_errno(target_mmap(arg1, arg2, arg3, arg4, arg5,
  1770 + ret = get_errno(target_mmap(arg1, arg2, arg3,
  1771 + target_to_host_bitmask(arg4, mmap_flags_tbl),
  1772 + arg5,
1757 1773 arg6 << TARGET_PAGE_BITS));
1758 1774 break;
1759 1775 case TARGET_NR_munmap:
... ...
syscall-i386.h
... ... @@ -780,6 +780,18 @@ struct target_modify_ldt_ldt_s {
780 780 };
781 781  
782 782  
  783 +#define TARGET_MAP_SHARED 0x01 /* Share changes */
  784 +#define TARGET_MAP_PRIVATE 0x02 /* Changes are private */
  785 +#define TARGET_MAP_TYPE 0x0f /* Mask for type of mapping */
  786 +#define TARGET_MAP_FIXED 0x10 /* Interpret addr exactly */
  787 +#define TARGET_MAP_ANONYMOUS 0x20 /* don't use a file */
  788 +
  789 +#define TARGET_MAP_GROWSDOWN 0x0100 /* stack-like segment */
  790 +#define TARGET_MAP_DENYWRITE 0x0800 /* ETXTBSY */
  791 +#define TARGET_MAP_EXECUTABLE 0x1000 /* mark it as an executable */
  792 +#define TARGET_MAP_LOCKED 0x2000 /* pages are locked */
  793 +#define TARGET_MAP_NORESERVE 0x4000 /* don't check for reservations */
  794 +
783 795 /* vm86 defines */
784 796  
785 797 #define TARGET_BIOSSEG 0x0f000
... ...