[Qemu-devel] [PATCH 03/16] linux-user/syscall.c: conditionalize syscalls which are not defined in tilegx

[gchen gchen]

Some of architectures (e.g. tilegx), several syscall macros are not
supported, so switch them.

Signed-off-by: Chen Gang <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
linux-user/syscall.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 49 insertions(+), 1 deletion(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f62c698..64e28f8 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -213,7 +213,7 @@ static int gettid(void) {
return -ENOSYS;
}
#endif
-#ifdef __NR_getdents
+#if defined(TARGET_NR_getdents) && defined(__NR_getdents)
_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, 
count);
#endif
#if !defined(__NR_getdents) || \
@@ -5639,6 +5639,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = get_errno(write(arg1, p, arg3));
unlock_user(p, arg2, 0);
break;
+#ifdef TARGET_NR_open
case TARGET_NR_open:
if (!(p = lock_user_string(arg1)))
goto efault;
@@ -5647,6 +5648,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
arg3));
unlock_user(p, arg1, 0);
break;
+#endif
case TARGET_NR_openat:
if (!(p = lock_user_string(arg2)))
goto efault;
@@ -5661,9 +5663,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
case TARGET_NR_brk:
ret = do_brk(arg1);
break;
+#ifdef TARGET_NR_fork
case TARGET_NR_fork:
ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
break;
+#endif
#ifdef TARGET_NR_waitpid
case TARGET_NR_waitpid:
{
@@ -5698,6 +5702,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
break;
#endif
+#ifdef TARGET_NR_link
case TARGET_NR_link:
{
void * p2;
@@ -5711,6 +5716,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_linkat)
case TARGET_NR_linkat:
{
@@ -5728,12 +5734,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
}
break;
#endif
+#ifdef TARGET_NR_unlink
case TARGET_NR_unlink:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(unlink(p));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_unlinkat)
case TARGET_NR_unlinkat:
if (!(p = lock_user_string(arg2)))
@@ -5850,12 +5858,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
}
break;
#endif
+#ifdef TARGET_NR_mknod
case TARGET_NR_mknod:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(mknod(p, arg2, arg3));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_mknodat)
case TARGET_NR_mknodat:
if (!(p = lock_user_string(arg2)))
@@ -5864,12 +5874,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
unlock_user(p, arg2, 0);
break;
#endif
+#ifdef TARGET_NR_chmod
case TARGET_NR_chmod:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(chmod(p, arg2));
unlock_user(p, arg1, 0);
break;
+#endif
#ifdef TARGET_NR_break
case TARGET_NR_break:
goto unimplemented;
@@ -6004,6 +6016,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
break;
#endif
+#ifdef TARGET_NR_utimes
case TARGET_NR_utimes:
{
struct timeval *tvp, tv[2];
@@ -6022,6 +6035,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_futimesat)
case TARGET_NR_futimesat:
{
@@ -6050,12 +6064,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
case TARGET_NR_gtty:
goto unimplemented;
#endif
+#ifdef TARGET_NR_access
case TARGET_NR_access:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(access(path(p), arg2));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
case TARGET_NR_faccessat:
if (!(p = lock_user_string(arg2)))
@@ -6080,6 +6096,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_kill:
ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
break;
+#ifdef TARGET_NR_rename
case TARGET_NR_rename:
{
void *p2;
@@ -6093,6 +6110,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_renameat)
case TARGET_NR_renameat:
{
@@ -6108,12 +6126,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
}
break;
#endif
+#ifdef TARGET_NR_mkdir
case TARGET_NR_mkdir:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(mkdir(p, arg2));
unlock_user(p, arg1, 0);
break;
+#endif
#if defined(TARGET_NR_mkdirat)
case TARGET_NR_mkdirat:
if (!(p = lock_user_string(arg2)))
@@ -6122,18 +6142,22 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
unlock_user(p, arg2, 0);
break;
#endif
+#ifdef TARGET_NR_rmdir
case TARGET_NR_rmdir:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(rmdir(p));
unlock_user(p, arg1, 0);
break;
+#endif
case TARGET_NR_dup:
ret = get_errno(dup(arg1));
break;
+#ifdef TARGET_NR_pipe
case TARGET_NR_pipe:
ret = do_pipe(cpu_env, arg1, 0, 0);
break;
+#endif
#ifdef TARGET_NR_pipe2
case TARGET_NR_pipe2:
ret = do_pipe(cpu_env, arg1,
@@ -6218,11 +6242,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
ret = get_errno(chroot(p));
unlock_user(p, arg1, 0);
break;
+#ifdef TARGET_NR_ustat
case TARGET_NR_ustat:
goto unimplemented;
+#endif
+#ifdef TARGET_NR_dup2
case TARGET_NR_dup2:
ret = get_errno(dup2(arg1, arg2));
break;
+#endif
#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
case TARGET_NR_dup3:
ret = get_errno(dup3(arg1, arg2, arg3));
@@ -6233,9 +6261,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
ret = get_errno(getppid());
break;
#endif
+#ifdef TARGET_NR_getpgrp
case TARGET_NR_getpgrp:
ret = get_errno(getpgrp());
break;
+#endif
case TARGET_NR_setsid:
ret = get_errno(setsid());
break;
@@ -6811,6 +6841,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
break;
#endif
+#ifdef TARGET_NR_symlink
case TARGET_NR_symlink:
{
void *p2;
@@ -6824,6 +6855,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_symlinkat)
case TARGET_NR_symlinkat:
{
@@ -6843,6 +6875,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_oldlstat:
goto unimplemented;
#endif
+#ifdef TARGET_NR_readlink
case TARGET_NR_readlink:
{
void *p2;
@@ -6873,6 +6906,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
}
break;
+#endif
#if defined(TARGET_NR_readlinkat)
case TARGET_NR_readlinkat:
{
@@ -7272,22 +7306,28 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
}
}
break;
+#ifdef TARGET_NR_stat
case TARGET_NR_stat:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(stat(path(p), &st));
unlock_user(p, arg1, 0);
goto do_stat;
+#endif
+#ifdef TARGET_NR_lstat
case TARGET_NR_lstat:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(lstat(path(p), &st));
unlock_user(p, arg1, 0);
goto do_stat;
+#endif
case TARGET_NR_fstat:
{
ret = get_errno(fstat(arg1, &st));
+#if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat)
do_stat:
+#endif
if (!is_error(ret)) {
struct target_stat *target_st;

@@ -7575,6 +7615,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
break;
#endif
+#ifdef TARGET_NR_getdents
case TARGET_NR_getdents:
#ifdef __NR_getdents
#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
@@ -7705,6 +7746,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
#endif
break;
+#endif /* TARGET_NR_getdents */
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
case TARGET_NR_getdents64:
{
@@ -7844,11 +7886,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
ret = get_errno(fdatasync(arg1));
break;
#endif
+#ifdef TARGET_NR__sysctl
case TARGET_NR__sysctl:
/* We don't implement this, but ENOTDIR is always a safe
return value. */
ret = -TARGET_ENOTDIR;
break;
+#endif
case TARGET_NR_sched_getaffinity:
{
unsigned int mask_size;
@@ -8295,12 +8339,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
ret = host_to_target_stat64(cpu_env, arg3, &st);
break;
#endif
+#ifdef TARGET_NR_lchown
case TARGET_NR_lchown:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
break;
+#endif
#ifdef TARGET_NR_getuid
case TARGET_NR_getuid:
ret = get_errno(high2lowuid(getuid()));
@@ -8423,12 +8469,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
}
break;
#endif
+#ifdef TARGET_NR_chown
case TARGET_NR_chown:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
break;
+#endif
case TARGET_NR_setuid:
ret = get_errno(setuid(low2highuid(arg1)));
break;
--
1.9.3