diff options
Diffstat (limited to 'linux-user/syscall_defs.h')
| -rw-r--r-- | linux-user/syscall_defs.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 9b2f42a73f..2c442d8aa8 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -19,6 +19,11 @@ #define SOCKOP_sendmsg 16 #define SOCKOP_recvmsg 17 +struct target_sockaddr { + uint16_t sa_family; + uint8_t sa_data[14]; +}; + struct target_timeval { target_long tv_sec; target_long tv_usec; @@ -49,6 +54,43 @@ struct target_msghdr { unsigned int msg_flags; }; +struct target_cmsghdr { + target_long cmsg_len; + int cmsg_level; + int cmsg_type; +}; + +#define TARGET_CMSG_DATA(cmsg) ((unsigned char *) ((struct target_cmsghdr *) (cmsg) + 1)) +#define TARGET_CMSG_NXTHDR(mhdr, cmsg) __target_cmsg_nxthdr (mhdr, cmsg) +#define TARGET_CMSG_FIRSTHDR(mhdr) \ + ((size_t) tswapl((mhdr)->msg_controllen) >= sizeof (struct target_cmsghdr) \ + ? (struct target_cmsghdr *) tswapl((mhdr)->msg_control) : (struct target_cmsghdr *) NULL) +#define TARGET_CMSG_ALIGN(len) (((len) + sizeof (target_long) - 1) \ + & (size_t) ~(sizeof (target_long) - 1)) +#define TARGET_CMSG_SPACE(len) (TARGET_CMSG_ALIGN (len) \ + + TARGET_CMSG_ALIGN (sizeof (struct target_cmsghdr))) +#define TARGET_CMSG_LEN(len) (TARGET_CMSG_ALIGN (sizeof (struct target_cmsghdr)) + (len)) + +static __inline__ struct target_cmsghdr * +__target_cmsg_nxthdr (struct target_msghdr *__mhdr, struct target_cmsghdr *__cmsg) +{ + if (tswapl(__cmsg->cmsg_len) < sizeof (struct target_cmsghdr)) + /* The kernel header does this so there may be a reason. */ + return 0; + + __cmsg = (struct target_cmsghdr *) ((unsigned char *) __cmsg + + TARGET_CMSG_ALIGN (tswapl(__cmsg->cmsg_len))); + if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) tswapl(__mhdr->msg_control) + + tswapl(__mhdr->msg_controllen)) + || ((unsigned char *) __cmsg + TARGET_CMSG_ALIGN (tswapl(__cmsg->cmsg_len)) + > ((unsigned char *) tswapl(__mhdr->msg_control) + + tswapl(__mhdr->msg_controllen)))) + /* No more entries. */ + return 0; + return __cmsg; +} + + struct target_rusage { struct target_timeval ru_utime; /* user time used */ struct target_timeval ru_stime; /* system time used */ |