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authorPeter Maydell <peter.maydell@linaro.org>2024-01-25 12:33:33 +0000
committerPeter Maydell <peter.maydell@linaro.org>2024-01-25 12:33:33 +0000
commitb3a5dd06040c948247834907a18c723ea10aac3a (patch)
treeed3325918e4c176752d69994f9e7672c8d947970 /linux-user/signal.c
parentbfbc456ad5294e603966e32a7f2f923ef19b3b6a (diff)
parent9f6523e8e4689cafdbed7c10b7cf7c775b5a607b (diff)
downloadfocaccia-qemu-b3a5dd06040c948247834907a18c723ea10aac3a.tar.gz
focaccia-qemu-b3a5dd06040c948247834907a18c723ea10aac3a.zip
Merge tag 'pull-tcg-20240123' of https://gitlab.com/rth7680/qemu into staging
tcg/arm: Fix SIGILL in tcg_out_qemu_st_direct
tcg/s390x: Fix encoding of VRIc, VRSa, VRSc insns
tcg: Clean up error paths in alloc_code_gen_buffer_splitwx_memfd
linux-user/riscv: Adjust vdso signal frame cfa offsets
linux-user: Fixed cpu restore with pc 0 on SIGBUS

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* tag 'pull-tcg-20240123' of https://gitlab.com/rth7680/qemu:
  tcg/arm: Fix SIGILL in tcg_out_qemu_st_direct
  linux-user/elfload: check PR_GET_DUMPABLE before creating coredump
  linux-user/elfload: test return value of getrlimit
  linux-user/riscv: Adjust vdso signal frame cfa offsets
  tcg/s390x: Fix encoding of VRIc, VRSa, VRSc insns
  linux-user: Fixed cpu restore with pc 0 on SIGBUS
  tcg: Make the cleanup-on-error path unique
  tcg: Remove unreachable code

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/signal.c')
-rw-r--r--linux-user/signal.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index b35d1e512f..c9527adfa3 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -925,7 +925,7 @@ static void host_sigsegv_handler(CPUState *cpu, siginfo_t *info,
     cpu_loop_exit_sigsegv(cpu, guest_addr, access_type, maperr, pc);
 }
 
-static void host_sigbus_handler(CPUState *cpu, siginfo_t *info,
+static uintptr_t host_sigbus_handler(CPUState *cpu, siginfo_t *info,
                                 host_sigcontext *uc)
 {
     uintptr_t pc = host_signal_pc(uc);
@@ -947,6 +947,7 @@ static void host_sigbus_handler(CPUState *cpu, siginfo_t *info,
         sigprocmask(SIG_SETMASK, host_signal_mask(uc), NULL);
         cpu_loop_exit_sigbus(cpu, guest_addr, access_type, pc);
     }
+    return pc;
 }
 
 static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
@@ -974,7 +975,7 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
             host_sigsegv_handler(cpu, info, uc);
             return;
         case SIGBUS:
-            host_sigbus_handler(cpu, info, uc);
+            pc = host_sigbus_handler(cpu, info, uc);
             sync_sig = true;
             break;
         case SIGILL: