x86_64 linux user emulation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3646 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 01d042a..ab252cf 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2521,6 +2521,41 @@
return 0;
}
+#ifndef TARGET_ABI32
+abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
+{
+ abi_long ret;
+ abi_ulong val;
+ int idx;
+
+ switch(code) {
+ case TARGET_ARCH_SET_GS:
+ case TARGET_ARCH_SET_FS:
+ if (code == TARGET_ARCH_SET_GS)
+ idx = R_GS;
+ else
+ idx = R_FS;
+ cpu_x86_load_seg(env, idx, 0);
+ env->segs[idx].base = addr;
+ break;
+ case TARGET_ARCH_GET_GS:
+ case TARGET_ARCH_GET_FS:
+ if (code == TARGET_ARCH_GET_GS)
+ idx = R_GS;
+ else
+ idx = R_FS;
+ val = env->segs[idx].base;
+ if (put_user(val, addr, abi_ulong))
+ return -TARGET_EFAULT;
+ break;
+ default:
+ ret = -TARGET_EINVAL;
+ break;
+ }
+ return 0;
+}
+#endif
+
#endif /* defined(TARGET_I386) */
/* this stack is the equivalent of the kernel stack associated with a
@@ -2797,7 +2832,7 @@
target_to_host_errno_table[host_to_target_errno_table[i]] = i;
/* automatic consistency check if same arch */
-#if defined(__i386__) && defined(TARGET_I386)
+#if defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)
if (ie->target_cmd != ie->host_cmd) {
fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
ie->target_cmd, ie->host_cmd);
@@ -3861,7 +3896,7 @@
#endif
#ifdef TARGET_NR_mmap
case TARGET_NR_mmap:
-#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
+#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS)
{
abi_ulong *v;
abi_ulong v1, v2, v3, v4, v5, v6;
@@ -4183,42 +4218,19 @@
if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
goto efault;
-#if defined(TARGET_MIPS) || (defined(TARGET_SPARC64) && !defined(TARGET_ABI32))
- target_st->st_dev = tswap32(st.st_dev);
-#else
- target_st->st_dev = tswap16(st.st_dev);
-#endif
- target_st->st_ino = tswapl(st.st_ino);
-#if defined(TARGET_PPC) || defined(TARGET_MIPS)
- target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
- target_st->st_uid = tswap32(st.st_uid);
- target_st->st_gid = tswap32(st.st_gid);
-#elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
- target_st->st_mode = tswap32(st.st_mode);
- target_st->st_uid = tswap32(st.st_uid);
- target_st->st_gid = tswap32(st.st_gid);
-#else
- target_st->st_mode = tswap16(st.st_mode);
- target_st->st_uid = tswap16(st.st_uid);
- target_st->st_gid = tswap16(st.st_gid);
-#endif
-#if defined(TARGET_MIPS)
- /* If this is the same on PPC, then just merge w/ the above ifdef */
- target_st->st_nlink = tswapl(st.st_nlink);
- target_st->st_rdev = tswapl(st.st_rdev);
-#elif defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
- target_st->st_nlink = tswap32(st.st_nlink);
- target_st->st_rdev = tswap32(st.st_rdev);
-#else
- target_st->st_nlink = tswap16(st.st_nlink);
- target_st->st_rdev = tswap16(st.st_rdev);
-#endif
- target_st->st_size = tswapl(st.st_size);
- target_st->st_blksize = tswapl(st.st_blksize);
- target_st->st_blocks = tswapl(st.st_blocks);
- target_st->target_st_atime = tswapl(st.st_atime);
- target_st->target_st_mtime = tswapl(st.st_mtime);
- target_st->target_st_ctime = tswapl(st.st_ctime);
+ __put_user(st.st_dev, &target_st->st_dev);
+ __put_user(st.st_ino, &target_st->st_ino);
+ __put_user(st.st_mode, &target_st->st_mode);
+ __put_user(st.st_uid, &target_st->st_uid);
+ __put_user(st.st_gid, &target_st->st_gid);
+ __put_user(st.st_nlink, &target_st->st_nlink);
+ __put_user(st.st_rdev, &target_st->st_rdev);
+ __put_user(st.st_size, &target_st->st_size);
+ __put_user(st.st_blksize, &target_st->st_blksize);
+ __put_user(st.st_blocks, &target_st->st_blocks);
+ __put_user(st.st_atime, &target_st->target_st_atime);
+ __put_user(st.st_mtime, &target_st->target_st_mtime);
+ __put_user(st.st_ctime, &target_st->target_st_ctime);
unlock_user_struct(target_st, arg2, 1);
}
}
@@ -4671,6 +4683,15 @@
break;
}
break;
+#ifdef TARGET_NR_arch_prctl
+ case TARGET_NR_arch_prctl:
+#if defined(TARGET_I386) && !defined(TARGET_ABI32)
+ ret = do_arch_prctl(cpu_env, arg1, arg2);
+ break;
+#else
+ goto unimplemented;
+#endif
+#endif
#ifdef TARGET_NR_pread
case TARGET_NR_pread:
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
