Patchwork [1/2] alpha-linux-user: Fix signal handling

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Submitter Richard Henderson
Date May 31, 2012, 7:37 p.m.
Message ID <1338493043-31206-2-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/162218/
State New
Headers show

Comments

Richard Henderson - May 31, 2012, 7:37 p.m.
Proper signal numbers were not defined, and EXCP_INTERRUPT
was unhandled, leading to all sorts of subtle confusion.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 linux-user/main.c         |    3 +++
 linux-user/syscall_defs.h |   41 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 43 insertions(+), 1 deletions(-)

Patch

diff --git a/linux-user/main.c b/linux-user/main.c
index 191b750..f507a32 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2833,6 +2833,9 @@  void cpu_loop(CPUAlphaState *env)
         case EXCP_STQ_C:
             do_store_exclusive(env, env->error_code, trapnr - EXCP_STL_C);
             break;
+        case EXCP_INTERRUPT:
+            /* Just indicate that signals should be handled asap.  */
+            break;
         default:
             printf ("Unhandled trap: 0x%x\n", trapnr);
             cpu_dump_state(env, stderr, fprintf, 0);
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index a79b67d..02fe4f6 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -363,7 +363,46 @@  int do_sigaction(int sig, const struct target_sigaction *act,
 #define TARGET_SA_RESTORER	0x04000000
 #endif
 
-#if defined(TARGET_SPARC)
+#if defined(TARGET_ALPHA)
+
+#define TARGET_SIGHUP            1
+#define TARGET_SIGINT            2
+#define TARGET_SIGQUIT           3
+#define TARGET_SIGILL            4
+#define TARGET_SIGTRAP           5
+#define TARGET_SIGABRT           6
+#define TARGET_SIGSTKFLT         7 /* actually SIGEMT */
+#define TARGET_SIGFPE            8
+#define TARGET_SIGKILL           9
+#define TARGET_SIGBUS           10
+#define TARGET_SIGSEGV          11
+#define TARGET_SIGSYS           12
+#define TARGET_SIGPIPE          13
+#define TARGET_SIGALRM          14
+#define TARGET_SIGTERM          15
+#define TARGET_SIGURG           16
+#define TARGET_SIGSTOP          17
+#define TARGET_SIGTSTP          18
+#define TARGET_SIGCONT          19
+#define TARGET_SIGCHLD          20
+#define TARGET_SIGTTIN          21
+#define TARGET_SIGTTOU          22
+#define TARGET_SIGIO            23
+#define TARGET_SIGXCPU          24
+#define TARGET_SIGXFSZ          25
+#define TARGET_SIGVTALRM        26
+#define TARGET_SIGPROF          27
+#define TARGET_SIGWINCH         28
+#define TARGET_SIGPWR           29 /* actually SIGINFO */
+#define TARGET_SIGUSR1          30
+#define TARGET_SIGUSR2          31
+#define TARGET_SIGRTMIN         32
+
+#define TARGET_SIG_BLOCK         1
+#define TARGET_SIG_UNBLOCK       2
+#define TARGET_SIG_SETMASK       3
+
+#elif defined(TARGET_SPARC)
 
 #define TARGET_SIGHUP		 1
 #define TARGET_SIGINT		 2