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added loop/xadd/cmpxchg support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@29 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-16 20:28:50 +00:00
parent 6dbad63eef
commit 1a9353d258
9 changed files with 341 additions and 51 deletions
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45
linux-user/syscall.c
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@ -66,6 +66,10 @@ struct dirent {
char d_name[256]; /* We must not include limits.h! */
};
//#include <linux/msdos_fs.h>
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
#include "syscall_defs.h"
#ifdef TARGET_I386
@ -324,6 +328,40 @@ static long do_socketcall(int num, long *vptr)
break;
case SOCKOP_sendmsg:
case SOCKOP_recvmsg:
{
int fd;
struct target_msghdr *msgp;
struct msghdr msg;
int flags, count, i;
struct iovec *vec;
struct target_iovec *target_vec;
msgp = (void *)vptr[1];
msg.msg_name = (void *)tswapl(msgp->msg_name);
msg.msg_namelen = tswapl(msgp->msg_namelen);
msg.msg_control = (void *)tswapl(msgp->msg_control);
msg.msg_controllen = tswapl(msgp->msg_controllen);
msg.msg_flags = tswap32(msgp->msg_flags);
count = tswapl(msgp->msg_iovlen);
vec = alloca(count * sizeof(struct iovec));
target_vec = (void *)tswapl(msgp->msg_iov);
for(i = 0;i < count; i++) {
vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
vec[i].iov_len = tswapl(target_vec[i].iov_len);
}
msg.msg_iovlen = count;
msg.msg_iov = vec;
fd = vptr[0];
flags = vptr[2];
if (num == SOCKOP_sendmsg)
ret = sendmsg(fd, &msg, flags);
else
ret = recvmsg(fd, &msg, flags);
ret = get_errno(ret);
}
break;
case SOCKOP_setsockopt:
case SOCKOP_getsockopt:
default:
@ -356,7 +394,7 @@ typedef struct IOCTLEntry {
int host_cmd;
const char *name;
int access;
const argtype arg_type[3];
const argtype arg_type[5];
} IOCTLEntry;
#define IOC_R 0x0001
@ -962,12 +1000,11 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
ret = get_errno(setsid());
break;
case TARGET_NR_sigaction:
#if 0
#if 1
{
int signum = arg1;
struct target_old_sigaction *tact = arg2, *toldact = arg3;
ret = get_errno(setsid());
ret = 0;
}
break;