diff options
Diffstat (limited to 'linux-user/elfload.c')
| -rw-r--r-- | linux-user/elfload.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index b5cb21384a..7e7f642332 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -2294,7 +2294,7 @@ static void pgb_dynamic(const char *image_name, long align) static void pgb_reserved_va(const char *image_name, abi_ulong guest_loaddr, abi_ulong guest_hiaddr, long align) { - const int flags = MAP_ANONYMOUS | MAP_PRIVATE | MAP_NORESERVE; + int flags = MAP_ANONYMOUS | MAP_PRIVATE | MAP_NORESERVE; void *addr, *test; if (guest_hiaddr > reserved_va) { @@ -2307,15 +2307,19 @@ static void pgb_reserved_va(const char *image_name, abi_ulong guest_loaddr, /* Widen the "image" to the entire reserved address space. */ pgb_static(image_name, 0, reserved_va, align); +#ifdef MAP_FIXED_NOREPLACE + flags |= MAP_FIXED_NOREPLACE; +#endif + /* Reserve the memory on the host. */ assert(guest_base != 0); test = g2h(0); addr = mmap(test, reserved_va, PROT_NONE, flags, -1, 0); if (addr == MAP_FAILED) { error_report("Unable to reserve 0x%lx bytes of virtual address " - "space for use as guest address space (check your " + "space (%s) for use as guest address space (check your " "virtual memory ulimit setting or reserve less " - "using -R option)", reserved_va); + "using -R option)", reserved_va, strerror(errno)); exit(EXIT_FAILURE); } assert(addr == test); |