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-rw-r--r--linux-user/syscall.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 656f78ee4a..21078837dc 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2229,7 +2229,7 @@ static bitmask_transtbl fcntl_flags_tbl[] = {
/* NOTE: there is really one LDT for all the threads */
uint8_t *ldt_table;
-static int read_ldt(abi_ulong ptr, unsigned long bytecount)
+static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
{
int size;
void *p;
@@ -2241,7 +2241,7 @@ static int read_ldt(abi_ulong ptr, unsigned long bytecount)
size = bytecount;
p = lock_user(VERIFY_WRITE, ptr, size, 0);
if (!p)
- return -EFAULT;
+ return -TARGET_EFAULT;
/* ??? Should this by byteswapped? */
memcpy(p, ldt_table, size);
unlock_user(p, ptr, size);
@@ -2249,9 +2249,8 @@ static int read_ldt(abi_ulong ptr, unsigned long bytecount)
}
/* XXX: add locking support */
-/* write_ldt() returns host errnos */
-static int write_ldt(CPUX86State *env,
- abi_ulong ptr, unsigned long bytecount, int oldmode)
+static abi_long write_ldt(CPUX86State *env,
+ abi_ulong ptr, unsigned long bytecount, int oldmode)
{
struct target_modify_ldt_ldt_s ldt_info;
struct target_modify_ldt_ldt_s *target_ldt_info;
@@ -2260,9 +2259,9 @@ static int write_ldt(CPUX86State *env,
uint32_t *lp, entry_1, entry_2;
if (bytecount != sizeof(ldt_info))
- return -EINVAL;
+ return -TARGET_EINVAL;
if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
- return -EFAULT;
+ return -TARGET_EFAULT;
ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
ldt_info.limit = tswap32(target_ldt_info->limit);
@@ -2270,7 +2269,7 @@ static int write_ldt(CPUX86State *env,
unlock_user_struct(target_ldt_info, ptr, 0);
if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
- return -EINVAL;
+ return -TARGET_EINVAL;
seg_32bit = ldt_info.flags & 1;
contents = (ldt_info.flags >> 1) & 3;
read_exec_only = (ldt_info.flags >> 3) & 1;
@@ -2280,15 +2279,15 @@ static int write_ldt(CPUX86State *env,
if (contents == 3) {
if (oldmode)
- return -EINVAL;
+ return -TARGET_EINVAL;
if (seg_not_present == 0)
- return -EINVAL;
+ return -TARGET_EINVAL;
}
/* allocate the LDT */
if (!ldt_table) {
ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
if (!ldt_table)
- return -ENOMEM;
+ return -TARGET_ENOMEM;
memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
env->ldt.base = h2g(ldt_table);
env->ldt.limit = 0xffff;
@@ -2333,11 +2332,10 @@ install:
}
/* specific and weird i386 syscalls */
-/* do_modify_ldt() returns host errnos (it is inconsistent with the
- other do_*() functions which return target errnos). */
-int do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, unsigned long bytecount)
+abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
+ unsigned long bytecount)
{
- int ret = -ENOSYS;
+ abi_long ret;
switch (func) {
case 0:
@@ -2349,6 +2347,9 @@ int do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, unsigned long bytec
case 0x11:
ret = write_ldt(env, ptr, bytecount, 0);
break;
+ default:
+ ret = -TARGET_ENOSYS;
+ break;
}
return ret;
}
@@ -4174,7 +4175,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
#ifdef TARGET_I386
case TARGET_NR_modify_ldt:
- ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
+ ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
break;
#if !defined(TARGET_X86_64)
case TARGET_NR_vm86old: