linux-user pull request 20221103

Fix recvmsg
 Fix hppa exception handler
 Add close_range
 Add strace for timer_settime64
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Merge tag 'linux-user-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

linux-user pull request 20221103

Fix recvmsg
Fix hppa exception handler
Add close_range
Add strace for timer_settime64

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# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'linux-user-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  linux-user: always translate cmsg when recvmsg
  linux-user: Add strace output for timer_settime64() syscall
  linux-user: Add close_range() syscall
  linux-user/hppa: Detect glibc ABORT_INSTRUCTION and EXCP_BREAK handler

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2022-11-03 10:55:05 -04:00
commit ece5f8374d
3 changed files with 42 additions and 7 deletions

View File

@ -147,15 +147,20 @@ void cpu_loop(CPUHPPAState *env)
force_sig_fault(TARGET_SIGSEGV, TARGET_SEGV_MAPERR, env->iaoq_f);
break;
case EXCP_ILL:
EXCP_DUMP(env, "qemu: got CPU exception 0x%x - aborting\n", trapnr);
force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPN, env->iaoq_f);
EXCP_DUMP(env, "qemu: EXCP_ILL exception %#x\n", trapnr);
force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC, env->iaoq_f);
break;
case EXCP_PRIV_OPR:
EXCP_DUMP(env, "qemu: got CPU exception 0x%x - aborting\n", trapnr);
force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->iaoq_f);
/* check for glibc ABORT_INSTRUCTION "iitlbp %r0,(%sr0, %r0)" */
EXCP_DUMP(env, "qemu: EXCP_PRIV_OPR exception %#x\n", trapnr);
if (env->cr[CR_IIR] == 0x04000000) {
force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPC, env->iaoq_f);
} else {
force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVOPC, env->iaoq_f);
}
break;
case EXCP_PRIV_REG:
EXCP_DUMP(env, "qemu: got CPU exception 0x%x - aborting\n", trapnr);
EXCP_DUMP(env, "qemu: EXCP_PRIV_REG exception %#x\n", trapnr);
force_sig_fault(TARGET_SIGILL, TARGET_ILL_PRVREG, env->iaoq_f);
break;
case EXCP_OVERFLOW:
@ -167,6 +172,10 @@ void cpu_loop(CPUHPPAState *env)
case EXCP_ASSIST:
force_sig_fault(TARGET_SIGFPE, 0, env->iaoq_f);
break;
case EXCP_BREAK:
EXCP_DUMP(env, "qemu: EXCP_BREAK exception %#x\n", trapnr);
force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->iaoq_f & ~3);
break;
case EXCP_DEBUG:
force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->iaoq_f);
break;

View File

@ -103,6 +103,9 @@
#ifdef TARGET_NR_close
{ TARGET_NR_close, "close" , "%s(%d)", NULL, NULL },
#endif
#ifdef TARGET_NR_close_range
{ TARGET_NR_close_range, "close_range" , "%s(%u,%u,%u)", NULL, NULL },
#endif
#ifdef TARGET_NR_connect
{ TARGET_NR_connect, "connect" , "%s(%d,%#x,%d)", NULL, NULL },
#endif
@ -1531,7 +1534,10 @@
{ TARGET_NR_timer_gettime, "timer_gettime" , NULL, NULL, NULL },
#endif
#ifdef TARGET_NR_timer_settime
{ TARGET_NR_timer_settime, "timer_settime" , NULL, NULL, NULL },
{ TARGET_NR_timer_settime, "timer_settime" , "%s(%d,%d,%p,%p)", NULL, NULL },
#endif
#ifdef TARGET_NR_timer_settime64
{ TARGET_NR_timer_settime64, "timer_settime64" , "%s(%d,%d,%p,%p)", NULL, NULL },
#endif
#ifdef TARGET_NR_timerfd
{ TARGET_NR_timerfd, "timerfd" , NULL, NULL, NULL },

View File

@ -364,6 +364,13 @@ _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
#ifdef __NR_exit_group
_syscall1(int,exit_group,int,error_code)
#endif
#if defined(__NR_close_range) && defined(TARGET_NR_close_range)
#define __NR_sys_close_range __NR_close_range
_syscall3(int,sys_close_range,int,first,int,last,int,flags)
#ifndef CLOSE_RANGE_CLOEXEC
#define CLOSE_RANGE_CLOEXEC (1U << 2)
#endif
#endif
#if defined(__NR_futex)
_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
const struct timespec *,timeout,int *,uaddr2,int,val3)
@ -3346,7 +3353,8 @@ static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp,
if (fd_trans_host_to_target_data(fd)) {
ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base,
MIN(msg.msg_iov->iov_len, len));
} else {
}
if (!is_error(ret)) {
ret = host_to_target_cmsg(msgp, &msg);
}
if (!is_error(ret)) {
@ -8756,6 +8764,18 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
case TARGET_NR_close:
fd_trans_unregister(arg1);
return get_errno(close(arg1));
#if defined(__NR_close_range) && defined(TARGET_NR_close_range)
case TARGET_NR_close_range:
ret = get_errno(sys_close_range(arg1, arg2, arg3));
if (ret == 0 && !(arg3 & CLOSE_RANGE_CLOEXEC)) {
abi_long fd, maxfd;
maxfd = MIN(arg2, target_fd_max);
for (fd = arg1; fd < maxfd; fd++) {
fd_trans_unregister(fd);
}
}
return ret;
#endif
case TARGET_NR_brk:
return do_brk(arg1);