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linux(4): Convert the native kernel signal codes into the Linux codes

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MFC after:		2 weeks
This commit is contained in:
Dmitry Chagin 2022-05-19 19:56:50 +03:00
parent 3030197563
commit a6f85b12bb
1 changed files with 74 additions and 4 deletions
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78
sys/compat/linux/linux_signal.c
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@ -65,7 +65,7 @@ static int linux_tdksignal(struct thread *td, lwpid_t tid,
int tgid, int sig, ksiginfo_t *ksi);
static int linux_tdsignal(struct thread *td, lwpid_t tid,
int tgid, int sig);
static void sicode_to_lsicode(int si_code, int *lsi_code);
static void sicode_to_lsicode(int sig, int si_code, int *lsi_code);
static int linux_common_rt_sigtimedwait(struct thread *,
l_sigset_t *, struct timespec *, l_siginfo_t *,
l_size_t);
@ -565,8 +565,62 @@ linux_tkill(struct thread *td, struct linux_tkill_args *args)
return (linux_tdsignal(td, args->tid, -1, sig));
}
static int
sigfpe_sicode2lsicode(int si_code)
{
switch (si_code) {
case FPE_INTOVF:
return (LINUX_FPE_INTOVF);
case FPE_INTDIV:
return (LINUX_FPE_INTDIV);
case FPE_FLTIDO:
return (LINUX_FPE_FLTUNK);
default:
return (si_code);
}
}
static int
sigbus_sicode2lsicode(int si_code)
{
switch (si_code) {
case BUS_OOMERR:
return (LINUX_BUS_MCEERR_AR);
default:
return (si_code);
}
}
static int
sigsegv_sicode2lsicode(int si_code)
{
switch (si_code) {
case SEGV_PKUERR:
return (LINUX_SEGV_PKUERR);
default:
return (si_code);
}
}
static int
sigtrap_sicode2lsicode(int si_code)
{
switch (si_code) {
case TRAP_DTRACE:
return (LINUX_TRAP_TRACE);
case TRAP_CAP:
return (LINUX_TRAP_UNK);
default:
return (si_code);
}
}
static void
sicode_to_lsicode(int si_code, int *lsi_code)
sicode_to_lsicode(int sig, int si_code, int *lsi_code)
{
switch (si_code) {
@ -592,7 +646,23 @@ sicode_to_lsicode(int si_code, int *lsi_code)
*lsi_code = LINUX_SI_TKILL;
break;
default:
*lsi_code = si_code;
switch (sig) {
case LINUX_SIGFPE:
*lsi_code = sigfpe_sicode2lsicode(si_code);
break;
case LINUX_SIGBUS:
*lsi_code = sigbus_sicode2lsicode(si_code);
break;
case LINUX_SIGSEGV:
*lsi_code = sigsegv_sicode2lsicode(si_code);
break;
case LINUX_SIGTRAP:
*lsi_code = sigtrap_sicode2lsicode(si_code);
break;
default:
*lsi_code = si_code;
break;
}
break;
}
}
@ -603,7 +673,7 @@ siginfo_to_lsiginfo(const siginfo_t *si, l_siginfo_t *lsi, l_int sig)
/* sig alredy converted */
lsi->lsi_signo = sig;
sicode_to_lsicode(si->si_code, &lsi->lsi_code);
sicode_to_lsicode(sig, si->si_code, &lsi->lsi_code);
switch (si->si_code) {
case SI_LWP: