preview mode mods, powerpc signal handler tweak, default wdws for 3 or more screens

[goodguy/cinelerra.git] / cinelerra-5.1 / guicast / bcsignals.C

diff --git a/cinelerra-5.1/guicast/bcsignals.C b/cinelerra-5.1/guicast/bcsignals.C
index ed50cfb15d9e8ac38c630c3096c9ab2b77fce477..59597ffa80161cd8a174d98ad3db5e54ceb6a249 100644 (file)
--- a/cinelerra-5.1/guicast/bcsignals.C
+++ b/cinelerra-5.1/guicast/bcsignals.C
@@ -385,10 +385,20 @@ const char* BC_Signals::sig_to_str(int number)
 
 #if __i386__
 #define IP eip
+#define sigregs_t sigcontext
 #endif
+
 #if __x86_64__
 #define IP rip
+#define sigregs_t sigcontext
+#endif
+
+#if __powerpc__ || __powerpc64__ || __powerpc64le__
+#include <asm/ptrace.h>
+#define IP nip
+#define sigregs_t pt_regs
 #endif
+
 #ifndef IP
 #error gotta have IP
 #endif
@@ -406,7 +416,7 @@ static void handle_dump(int n, siginfo_t * info, void *sc)
 //     if( uid != 0 ) return;
        ucontext_t *uc = (ucontext_t *)sc;
        int pid = getpid(), tid = gettid();
-       struct sigcontext *c = (struct sigcontext *)&uc->uc_mcontext;
+       struct sigregs_t *c = (struct sigregs_t *)&uc->uc_mcontext;
        uint8_t *ip = (uint8_t *)c->IP;
        fprintf(stderr,"** %s at %p in pid %d, tid %d\n",
                n==SIGSEGV? "segv" : n==SIGINT? "intr" : "trap",