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endian fixes by Ulrich weigand

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@64 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-29 17:22:23 +00:00
parent 500dab07e8
commit 7854b05654
3 changed files with 399 additions and 60 deletions
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42
linux-user/syscall_defs.h
View file

@ -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 */