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Added syscall 282 (for #965)

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This commit is contained in:
ptitSeb 2023-09-09 14:20:09 +02:00
parent 79c71bf5c1
commit d1e8bcd7a5
1 changed files with 26 additions and 0 deletions
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26
src/emu/x64syscall.c
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@ -5,6 +5,7 @@
#include <string.h>
#include <sys/syscall.h> /* For SYS_xxx definitions */
#include <sys/signalfd.h>
#include <unistd.h>
#include <time.h>
#include <sys/mman.h>
@ -246,6 +247,7 @@ static scwrap_t syscallwrap[] = {
#ifdef NOALIGN
{ 281, __NR_epoll_pwait, 6},
#endif
//{ 282, __NR__signalfd, 3},
#ifdef _NR_eventfd
{ 284, __NR_eventfd, 1},
#endif
@ -731,6 +733,19 @@ void EXPORT x64Syscall(x64emu_t *emu)
R_RAX = (uint64_t)-errno;
break;
#endif
case 282: // sys_signalfd
// need to mask SIGSEGV
{
sigset_t * set = (sigset_t *)R_RSI;
if(sigismember(set, SIGSEGV)) {
sigdelset(set, SIGSEGV);
printf_log(LOG_INFO, "Warning, signalfd on SIGSEGV unsuported\n");
}
R_EAX = signalfd((int)R_EDI, set, 0);
if(R_EAX==-1)
R_EAX = -errno;
}
break;
case 317: // sys_seccomp
R_RAX = 0; // ignoring call
break;
@ -980,6 +995,17 @@ uintptr_t EXPORT my_syscall(x64emu_t *emu)
return (uint64_t)(int64_t)my_epoll_pwait(emu, (int)R_ESI, (void*)R_RDX, (int)R_ECX, (int)R_R8d, (void*)R_R9);
break;
#endif
case 282: // sys_signalfd
// need to mask SIGSEGV
{
sigset_t * set = (sigset_t *)R_RDX;
if(sigismember(set, SIGSEGV)) {
sigdelset(set, SIGSEGV);
printf_log(LOG_INFO, "Warning, signalfd on SIGSEGV unsuported\n");
}
return signalfd((int)R_ESI, set, 0);
}
break;
case 317: // sys_seccomp
return 0; // ignoring call
#ifndef __NR_fchmodat4