openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Translate whole of target_sigset. Use host sigset accessors. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4631 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2008-05-30 22:37:07 +00:00
parent e1e3f30b02
commit f5545b5c3a
1 changed files with 30 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
linux-user/signal.c
View File

@ -125,30 +125,35 @@ int target_to_host_signal(int sig)
return target_to_host_signal_table[sig]; return target_to_host_signal_table[sig];
} }
static inline void target_sigemptyset(target_sigset_t *set)
{
memset(set, 0, sizeof(*set));
}
static inline void target_sigaddset(target_sigset_t *set, int signum)
{
signum--;
abi_ulong mask = (abi_ulong)1 << (signum % TARGET_NSIG_BPW);
set->sig[signum / TARGET_NSIG_BPW] |= mask;
}
static inline int target_sigismember(const target_sigset_t *set, int signum)
{
signum--;
abi_ulong mask = (abi_ulong)1 << (signum % TARGET_NSIG_BPW);
return ((set->sig[signum / TARGET_NSIG_BPW] & mask) != 0);
}
static void host_to_target_sigset_internal(target_sigset_t *d, static void host_to_target_sigset_internal(target_sigset_t *d,
const sigset_t *s) const sigset_t *s)
{ {
int i; int i;
unsigned long sigmask; target_sigemptyset(d);
uint32_t target_sigmask; for (i = 1; i <= TARGET_NSIG; i++) {
if (sigismember(s, i)) {
sigmask = ((unsigned long *)s)[0]; target_sigaddset(d, host_to_target_signal(i));
target_sigmask = 0; }
for(i = 0; i < 32; i++) {
if (sigmask & (1 << i))
target_sigmask |= 1 << (host_to_target_signal(i + 1) - 1);
} }
#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 32
d->sig[0] = target_sigmask;
for(i = 1;i < TARGET_NSIG_WORDS; i++) {
d->sig[i] = ((unsigned long *)s)[i];
}
#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 && TARGET_NSIG_WORDS == 2
d->sig[0] = target_sigmask;
d->sig[1] = sigmask >> 32;
#else
/* XXX: do it */
#endif
} }
void host_to_target_sigset(target_sigset_t *d, const sigset_t *s) void host_to_target_sigset(target_sigset_t *d, const sigset_t *s)
@ -164,25 +169,12 @@ void host_to_target_sigset(target_sigset_t *d, const sigset_t *s)
void target_to_host_sigset_internal(sigset_t *d, const target_sigset_t *s) void target_to_host_sigset_internal(sigset_t *d, const target_sigset_t *s)
{ {
int i; int i;
unsigned long sigmask; sigemptyset(d);
abi_ulong target_sigmask; for (i = 1; i <= TARGET_NSIG; i++) {
if (target_sigismember(s, i)) {
target_sigmask = s->sig[0]; sigaddset(d, target_to_host_signal(i));
sigmask = 0; }
for(i = 0; i < 32; i++) { }
if (target_sigmask & (1 << i))
sigmask |= 1 << (target_to_host_signal(i + 1) - 1);
}
#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 32
((unsigned long *)d)[0] = sigmask;
for(i = 1;i < TARGET_NSIG_WORDS; i++) {
((unsigned long *)d)[i] = s->sig[i];
}
#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 && TARGET_NSIG_WORDS == 2
((unsigned long *)d)[0] = sigmask | ((unsigned long)(s->sig[1]) << 32);
#else
/* XXX: do it */
#endif /* TARGET_ABI_BITS */
} }
void target_to_host_sigset(sigset_t *d, const target_sigset_t *s) void target_to_host_sigset(sigset_t *d, const target_sigset_t *s)