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use target_mmap() to allocate idt, gdt and ldt (Kirill A. Shutemov).

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env->*dt.base should fit target address space, so we should use
target_mmap to allocate them.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5666 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-11-10 02:55:33 +00:00
parent 8ce0f86993
commit e441570f8a
2 changed files with 23 additions and 12 deletions
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12
linux-user/syscall.c
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@ -2565,12 +2565,16 @@ static abi_long write_ldt(CPUX86State *env,
}
/* allocate the LDT */
if (!ldt_table) {
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
if (!ldt_table)
env->ldt.base = target_mmap(0,
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
PROT_READ|PROT_WRITE,
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
if (env->ldt.base == -1)
return -TARGET_ENOMEM;
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
env->ldt.base = h2g((unsigned long)ldt_table);
memset(g2h(env->ldt.base), 0,
TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
env->ldt.limit = 0xffff;
ldt_table = g2h(env->ldt.base);
}
/* NOTE: same code as Linux kernel */