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[PATCH v8 4/9] linux-user/syscall: Introduce target_sockaddr_nl
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v8 4/9] linux-user/syscall: Introduce target_sockaddr_nl |
Date: |
Mon, 21 Oct 2019 13:48:52 +0200 |
Tested-By: Guido Günther <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
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 */
};
--
2.21.0
- [PATCH v8 5/9] linux-user/strace: Dump AF_NETLINK sockaddr content, (continued)
- [PATCH v8 5/9] linux-user/strace: Dump AF_NETLINK sockaddr content, Philippe Mathieu-Daudé, 2019/10/21
- [PATCH v8 9/9] linux-user/syscall: Align target_sockaddr fields using ABI types, Philippe Mathieu-Daudé, 2019/10/21
- [PATCH v8 6/9] linux-user/strace: Add print_sockfd(), Philippe Mathieu-Daudé, 2019/10/21
- [PATCH v8 8/9] linux-user/strace: Let print_sockaddr() have a 'last' argument, Philippe Mathieu-Daudé, 2019/10/21
- [PATCH v8 4/9] linux-user/syscall: Introduce target_sockaddr_nl,
Philippe Mathieu-Daudé <=
- [PATCH v8 2/9] linux-user/strace: Add print_timezone(), Philippe Mathieu-Daudé, 2019/10/21
- [PATCH v8 7/9] linux-user/strace: Improve bind() output, Philippe Mathieu-Daudé, 2019/10/21
- Re: [PATCH v8 0/9] linux-user: strace improvements, no-reply, 2019/10/21