better signal/exception support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@42 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-23 16:49:39 +00:00
parent 66fb9763af
commit 9de5e440b9
15 changed files with 644 additions and 208 deletions

View file

@ -38,6 +38,7 @@
#include <sched.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <sys/poll.h>
//#include <sys/user.h>
#define termios host_termios
@ -68,15 +69,8 @@
#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
#include "cpu-i386.h"
#include "syscall-i386.h"
#endif
void host_to_target_siginfo(target_siginfo_t *tinfo, siginfo_t *info);
void target_to_host_siginfo(siginfo_t *info, target_siginfo_t *tinfo);
void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
long do_sigreturn(CPUX86State *env);
long do_rt_sigreturn(CPUX86State *env);
@ -106,6 +100,9 @@ _syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
extern int personality(int);
extern int flock(int, int);
extern int setfsuid(int);
extern int setfsgid(int);
static inline long get_errno(long ret)
{
@ -437,7 +434,7 @@ static long do_ioctl(long fd, long cmd, long arg)
ie++;
}
arg_type = ie->arg_type;
#ifdef DEBUG
#if defined(DEBUG)
gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
#endif
switch(arg_type[0]) {
@ -1244,9 +1241,30 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
ret = get_errno(sethostname((const char *)arg1, arg2));
break;
case TARGET_NR_setrlimit:
goto unimplemented;
{
/* XXX: convert resource ? */
int resource = arg1;
struct target_rlimit *target_rlim = (void *)arg2;
struct rlimit rlim;
rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
rlim.rlim_max = tswapl(target_rlim->rlim_max);
ret = get_errno(setrlimit(resource, &rlim));
}
break;
case TARGET_NR_getrlimit:
goto unimplemented;
{
/* XXX: convert resource ? */
int resource = arg1;
struct target_rlimit *target_rlim = (void *)arg2;
struct rlimit rlim;
ret = get_errno(getrlimit(resource, &rlim));
if (!is_error(ret)) {
target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
target_rlim->rlim_max = tswapl(rlim.rlim_max);
}
}
break;
case TARGET_NR_getrusage:
goto unimplemented;
case TARGET_NR_gettimeofday:
@ -1317,6 +1335,27 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
case TARGET_NR_munmap:
ret = get_errno(munmap((void *)arg1, arg2));
break;
case TARGET_NR_mprotect:
ret = get_errno(mprotect((void *)arg1, arg2, arg3));
break;
case TARGET_NR_mremap:
ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4));
break;
case TARGET_NR_msync:
ret = get_errno(msync((void *)arg1, arg2, arg3));
break;
case TARGET_NR_mlock:
ret = get_errno(mlock((void *)arg1, arg2));
break;
case TARGET_NR_munlock:
ret = get_errno(munlock((void *)arg1, arg2));
break;
case TARGET_NR_mlockall:
ret = get_errno(mlockall(arg1));
break;
case TARGET_NR_munlockall:
ret = get_errno(munlockall());
break;
case TARGET_NR_truncate:
ret = get_errno(truncate((const char *)arg1, arg2));
break;
@ -1506,9 +1545,6 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
#endif
case TARGET_NR_adjtimex:
goto unimplemented;
case TARGET_NR_mprotect:
ret = get_errno(mprotect((void *)arg1, arg2, arg3));
break;
case TARGET_NR_create_module:
case TARGET_NR_init_module:
case TARGET_NR_delete_module:
@ -1532,9 +1568,11 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
case TARGET_NR_afs_syscall:
goto unimplemented;
case TARGET_NR_setfsuid:
goto unimplemented;
ret = get_errno(setfsuid(arg1));
break;
case TARGET_NR_setfsgid:
goto unimplemented;
ret = get_errno(setfsgid(arg1));
break;
case TARGET_NR__llseek:
{
int64_t res;
@ -1596,10 +1634,31 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
(void *)arg5);
break;
case TARGET_NR_poll:
{
struct target_pollfd *target_pfd = (void *)arg1;
unsigned int nfds = arg2;
int timeout = arg3;
struct pollfd *pfd;
int i;
pfd = alloca(sizeof(struct pollfd) * nfds);
for(i = 0; i < nfds; i++) {
pfd->fd = tswap32(target_pfd->fd);
pfd->events = tswap16(target_pfd->events);
}
ret = get_errno(poll(pfd, nfds, timeout));
if (!is_error(ret)) {
for(i = 0; i < nfds; i++) {
target_pfd->revents = tswap16(pfd->revents);
}
}
}
break;
case TARGET_NR_flock:
goto unimplemented;
case TARGET_NR_msync:
ret = get_errno(msync((void *)arg1, arg2, arg3));
/* NOTE: the flock constant seems to be the same for every
Linux platform */
ret = get_errno(flock(arg1, arg2));
break;
case TARGET_NR_readv:
{
@ -1638,18 +1697,6 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
goto unimplemented;
case TARGET_NR__sysctl:
goto unimplemented;
case TARGET_NR_mlock:
ret = get_errno(mlock((void *)arg1, arg2));
break;
case TARGET_NR_munlock:
ret = get_errno(munlock((void *)arg1, arg2));
break;
case TARGET_NR_mlockall:
ret = get_errno(mlockall(arg1));
break;
case TARGET_NR_munlockall:
ret = get_errno(munlockall());
break;
case TARGET_NR_sched_setparam:
goto unimplemented;
case TARGET_NR_sched_getparam:
@ -1681,12 +1728,10 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
}
break;
case TARGET_NR_mremap:
case TARGET_NR_setresuid:
case TARGET_NR_getresuid:
case TARGET_NR_vm86:
case TARGET_NR_query_module:
case TARGET_NR_poll:
case TARGET_NR_nfsservctl:
case TARGET_NR_setresgid:
case TARGET_NR_getresgid:
@ -1800,7 +1845,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
goto unimplemented;
default:
unimplemented:
gemu_log("Unsupported syscall: %d\n", num);
gemu_log("gemu: Unsupported syscall: %d\n", num);
ret = -ENOSYS;
break;
}