summary refs log tree commit diff stats
path: root/linux-user/signal.c
diff options
context:
space:
mode:
authorRichard Henderson <richard.henderson@linaro.org>2021-09-17 12:00:31 -0700
committerRichard Henderson <richard.henderson@linaro.org>2021-11-02 07:00:52 -0400
commit04de121aaf0c896812792eb8489ae614c7f6dade (patch)
treea1e15682c57c0b5c5641c9cc8453d65dd03ded08 /linux-user/signal.c
parent4f3bbd9cfb49ac8287afd32b3916edc50e8e1850 (diff)
downloadfocaccia-qemu-04de121aaf0c896812792eb8489ae614c7f6dade.tar.gz
focaccia-qemu-04de121aaf0c896812792eb8489ae614c7f6dade.zip
linux-user/signal: Drop HOST_SIGNAL_PLACEHOLDER
Now that all of the linux-user hosts have been converted
to host-signal.h, drop the compatibility code.

Reviewed by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user/signal.c')
-rw-r--r--linux-user/signal.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 6900acb122..b816678ba5 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -780,17 +780,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
     ucontext_t *uc = puc;
     struct emulated_sigtable *k;
     int guest_sig;
-
-#ifdef HOST_SIGNAL_PLACEHOLDER
-    /* the CPU emulator uses some host signals to detect exceptions,
-       we forward to it some signals */
-    if ((host_sig == SIGSEGV || host_sig == SIGBUS)
-        && info->si_code > 0) {
-        if (cpu_signal_handler(host_sig, info, puc)) {
-            return;
-        }
-    }
-#else
     uintptr_t pc = 0;
     bool sync_sig = false;
 
@@ -850,7 +839,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
 
         sync_sig = true;
     }
-#endif
 
     /* get target signal number */
     guest_sig = host_to_target_signal(host_sig);
@@ -865,7 +853,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
     k->pending = guest_sig;
     ts->signal_pending = 1;
 
-#ifndef HOST_SIGNAL_PLACEHOLDER
     /*
      * For synchronous signals, unwind the cpu state to the faulting
      * insn and then exit back to the main loop so that the signal
@@ -875,7 +862,6 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
         cpu->exception_index = EXCP_INTERRUPT;
         cpu_loop_exit_restore(cpu, pc);
     }
-#endif
 
     rewind_if_in_safe_syscall(puc);