[v8,4/9] linux-user/syscall: Introduce target_sockaddr_nl
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Message ID 20191021114857.20538-5-f4bug@amsat.org
State New
Headers show
Series
  • linux-user: strace improvements
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Commit Message

Philippe Mathieu-Daudé Oct. 21, 2019, 11:48 a.m. UTC
Tested-By: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
v7: use abi_ushort and abi_uint to keep alignments good (lvivier)
---
 linux-user/syscall.c      | 6 ++++--
 linux-user/syscall_defs.h | 7 +++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

Comments

Laurent Vivier Oct. 21, 2019, 1:26 p.m. UTC | #1
Le 21/10/2019 à 13:48, Philippe Mathieu-Daudé a écrit :
> Tested-By: Guido Günther <agx@sigxcpu.org>
> Reviewed-by: Laurent Vivier <laurent@vivier.eu>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> v7: use abi_ushort and abi_uint to keep alignments good (lvivier)
> ---
>  linux-user/syscall.c      | 6 ++++--
>  linux-user/syscall_defs.h | 7 +++++++
>  2 files changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index e2af3c1494..f1ab81b917 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -1496,8 +1496,10 @@ static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
>          sizeof(target_saddr->sa_family)) {
>          target_saddr->sa_family = tswap16(addr->sa_family);
>      }
> -    if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) {
> -        struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr;
> +    if (addr->sa_family == AF_NETLINK &&
> +        len >= sizeof(struct target_sockaddr_nl)) {
> +        struct target_sockaddr_nl *target_nl =
> +               (struct target_sockaddr_nl *)target_saddr;
>          target_nl->nl_pid = tswap32(target_nl->nl_pid);
>          target_nl->nl_groups = tswap32(target_nl->nl_groups);
>      } else if (addr->sa_family == AF_PACKET) {
> diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
> index fa69c6ab8d..7694d72446 100644
> --- a/linux-user/syscall_defs.h
> +++ b/linux-user/syscall_defs.h
> @@ -153,6 +153,13 @@ struct target_sockaddr_un {
>      uint8_t sun_path[108];
>  };
>  
> +struct target_sockaddr_nl {
> +    abi_ushort nl_family;   /* AF_NETLINK */
> +    abi_ushort __pad;
> +    abi_uint nl_pid;
> +    abi_uint nl_groups;
> +};
> +
>  struct target_in_addr {
>      uint32_t s_addr; /* big endian */
>  };
> 

Applied to my linux-user branch.

Thanks,
Laurent

Patch
diff mbox series

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index e2af3c1494..f1ab81b917 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1496,8 +1496,10 @@  static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
         sizeof(target_saddr->sa_family)) {
         target_saddr->sa_family = tswap16(addr->sa_family);
     }
-    if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) {
-        struct sockaddr_nl *target_nl = (struct sockaddr_nl *)target_saddr;
+    if (addr->sa_family == AF_NETLINK &&
+        len >= sizeof(struct target_sockaddr_nl)) {
+        struct target_sockaddr_nl *target_nl =
+               (struct target_sockaddr_nl *)target_saddr;
         target_nl->nl_pid = tswap32(target_nl->nl_pid);
         target_nl->nl_groups = tswap32(target_nl->nl_groups);
     } else if (addr->sa_family == AF_PACKET) {
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index fa69c6ab8d..7694d72446 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -153,6 +153,13 @@  struct target_sockaddr_un {
     uint8_t sun_path[108];
 };
 
+struct target_sockaddr_nl {
+    abi_ushort nl_family;   /* AF_NETLINK */
+    abi_ushort __pad;
+    abi_uint nl_pid;
+    abi_uint nl_groups;
+};
+
 struct target_in_addr {
     uint32_t s_addr; /* big endian */
 };