Merge tag 'linux-user-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

linux-user pull request 20221103

Fix recvmsg
Fix hppa exception handler
Add close_range
Add strace for timer_settime64

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* tag 'linux-user-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  linux-user: always translate cmsg when recvmsg
  linux-user: Add strace output for timer_settime64() syscall
  linux-user: Add close_range() syscall
  linux-user/hppa: Detect glibc ABORT_INSTRUCTION and EXCP_BREAK handler

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 21 insertions, 1 deletions

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8402c1399d..24b25759be 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -364,6 +364,13 @@ _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
 #ifdef __NR_exit_group
 _syscall1(int,exit_group,int,error_code)
 #endif
+#if defined(__NR_close_range) && defined(TARGET_NR_close_range)
+#define __NR_sys_close_range __NR_close_range
+_syscall3(int,sys_close_range,int,first,int,last,int,flags)
+#ifndef CLOSE_RANGE_CLOEXEC
+#define CLOSE_RANGE_CLOEXEC     (1U << 2)
+#endif
+#endif
 #if defined(__NR_futex)
 _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
           const struct timespec *,timeout,int *,uaddr2,int,val3)
@@ -3346,7 +3353,8 @@ static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
             if (fd_trans_host_to_target_data(fd)) {
                 ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
                                                MIN(msg.msg_iov->iov_len, len));
-            } else {
+            }
+            if (!is_error(ret)) {
                 ret = host_to_target_cmsg(msgp, &msg);
             }
             if (!is_error(ret)) {
@@ -8756,6 +8764,18 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
     case TARGET_NR_close:
         fd_trans_unregister(arg1);
         return get_errno(close(arg1));
+#if defined(__NR_close_range) && defined(TARGET_NR_close_range)
+    case TARGET_NR_close_range:
+        ret = get_errno(sys_close_range(arg1, arg2, arg3));
+        if (ret == 0 && !(arg3 & CLOSE_RANGE_CLOEXEC)) {
+            abi_long fd, maxfd;
+            maxfd = MIN(arg2, target_fd_max);
+            for (fd = arg1; fd < maxfd; fd++) {
+                fd_trans_unregister(fd);
+            }
+        }
+        return ret;
+#endif
 
     case TARGET_NR_brk:
         return do_brk(arg1);