diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/qemu.h | 3 | ||||
| -rw-r--r-- | linux-user/signal.c | 59 | ||||
| -rw-r--r-- | linux-user/syscall.c | 2 |
3 files changed, 44 insertions, 20 deletions
diff --git a/linux-user/qemu.h b/linux-user/qemu.h index fc4cc00b9f..5e53dca09e 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -219,6 +219,9 @@ unsigned long init_guest_space(unsigned long host_start, #include "qemu-log.h" +/* syscall.c */ +int host_to_target_waitstatus(int status); + /* strace.c */ void print_syscall(int num, abi_long arg1, abi_long arg2, abi_long arg3, diff --git a/linux-user/signal.c b/linux-user/signal.c index 15bc4e8f62..95e2ffa007 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -202,46 +202,67 @@ void target_to_host_old_sigset(sigset_t *sigset, static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo, const siginfo_t *info) { - int sig; - sig = host_to_target_signal(info->si_signo); + int sig = host_to_target_signal(info->si_signo); tinfo->si_signo = sig; tinfo->si_errno = 0; tinfo->si_code = info->si_code; - if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV || - sig == SIGBUS || sig == SIGTRAP) { - /* should never come here, but who knows. The information for - the target is irrelevant */ + + if (sig == TARGET_SIGILL || sig == TARGET_SIGFPE || sig == TARGET_SIGSEGV + || sig == TARGET_SIGBUS || sig == TARGET_SIGTRAP) { + /* Should never come here, but who knows. The information for + the target is irrelevant. */ tinfo->_sifields._sigfault._addr = 0; - } else if (sig == SIGIO) { + } else if (sig == TARGET_SIGIO) { + tinfo->_sifields._sigpoll._band = info->si_band; tinfo->_sifields._sigpoll._fd = info->si_fd; + } else if (sig == TARGET_SIGCHLD) { + tinfo->_sifields._sigchld._pid = info->si_pid; + tinfo->_sifields._sigchld._uid = info->si_uid; + tinfo->_sifields._sigchld._status + = host_to_target_waitstatus(info->si_status); + tinfo->_sifields._sigchld._utime = info->si_utime; + tinfo->_sifields._sigchld._stime = info->si_stime; } else if (sig >= TARGET_SIGRTMIN) { tinfo->_sifields._rt._pid = info->si_pid; tinfo->_sifields._rt._uid = info->si_uid; /* XXX: potential problem if 64 bit */ - tinfo->_sifields._rt._sigval.sival_ptr = - (abi_ulong)(unsigned long)info->si_value.sival_ptr; + tinfo->_sifields._rt._sigval.sival_ptr + = (abi_ulong)(unsigned long)info->si_value.sival_ptr; } } static void tswap_siginfo(target_siginfo_t *tinfo, const target_siginfo_t *info) { - int sig; - sig = info->si_signo; + int sig = info->si_signo; tinfo->si_signo = tswap32(sig); tinfo->si_errno = tswap32(info->si_errno); tinfo->si_code = tswap32(info->si_code); - if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV || - sig == SIGBUS || sig == SIGTRAP) { - tinfo->_sifields._sigfault._addr = - tswapal(info->_sifields._sigfault._addr); - } else if (sig == SIGIO) { - tinfo->_sifields._sigpoll._fd = tswap32(info->_sifields._sigpoll._fd); + + if (sig == TARGET_SIGILL || sig == TARGET_SIGFPE || sig == TARGET_SIGSEGV + || sig == TARGET_SIGBUS || sig == TARGET_SIGTRAP) { + tinfo->_sifields._sigfault._addr + = tswapal(info->_sifields._sigfault._addr); + } else if (sig == TARGET_SIGIO) { + tinfo->_sifields._sigpoll._band + = tswap32(info->_sifields._sigpoll._band); + tinfo->_sifields._sigpoll._fd = tswap32(info->_sifields._sigpoll._fd); + } else if (sig == TARGET_SIGCHLD) { + tinfo->_sifields._sigchld._pid + = tswap32(info->_sifields._sigchld._pid); + tinfo->_sifields._sigchld._uid + = tswap32(info->_sifields._sigchld._uid); + tinfo->_sifields._sigchld._status + = tswap32(info->_sifields._sigchld._status); + tinfo->_sifields._sigchld._utime + = tswapal(info->_sifields._sigchld._utime); + tinfo->_sifields._sigchld._stime + = tswapal(info->_sifields._sigchld._stime); } else if (sig >= TARGET_SIGRTMIN) { tinfo->_sifields._rt._pid = tswap32(info->_sifields._rt._pid); tinfo->_sifields._rt._uid = tswap32(info->_sifields._rt._uid); - tinfo->_sifields._rt._sigval.sival_ptr = - tswapal(info->_sifields._rt._sigval.sival_ptr); + tinfo->_sifields._rt._sigval.sival_ptr + = tswapal(info->_sifields._rt._sigval.sival_ptr); } } diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 89c74ada23..009bf8f1a9 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -4918,7 +4918,7 @@ static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, /* Map host to target signal numbers for the wait family of syscalls. Assume all other status bits are the same. */ -static int host_to_target_waitstatus(int status) +int host_to_target_waitstatus(int status) { if (WIFSIGNALED(status)) { return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); |