Implement QPassSignals GDB package in lldb-server

Summary: QPassSignals package allows lldb client to tell lldb-server to ignore certain types of signals and re-inject them back to inferior without stopping execution.

Reviewers: jmajors, labath

Subscribers: danalbert, srhines, emaste, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D30286
Author: Eugene Zemtsov <ezemtsov@google.com>

llvm-svn: 296101

1 files changed, 1 insertions, 5 deletions

diff --git a/lldb/source/Plugins/Process/POSIX/CrashReason.cpp b/lldb/source/Plugins/Process/POSIX/CrashReason.cpp
index 77d6e287486..864418c9003 100644
--- a/lldb/source/Plugins/Process/POSIX/CrashReason.cpp
+++ b/lldb/source/Plugins/Process/POSIX/CrashReason.cpp
@@ -62,7 +62,6 @@ CrashReason GetCrashReasonForSIGSEGV(const siginfo_t &info) {
     return CrashReason::eBoundViolation;
   }
 
-  assert(false && "unexpected si_code for SIGSEGV");
   return CrashReason::eInvalidCrashReason;
 }
 
@@ -88,7 +87,6 @@ CrashReason GetCrashReasonForSIGILL(const siginfo_t &info) {
     return CrashReason::eInternalStackError;
   }
 
-  assert(false && "unexpected si_code for SIGILL");
   return CrashReason::eInvalidCrashReason;
 }
 
@@ -114,7 +112,6 @@ CrashReason GetCrashReasonForSIGFPE(const siginfo_t &info) {
     return CrashReason::eFloatSubscriptRange;
   }
 
-  assert(false && "unexpected si_code for SIGFPE");
   return CrashReason::eInvalidCrashReason;
 }
 
@@ -130,7 +127,6 @@ CrashReason GetCrashReasonForSIGBUS(const siginfo_t &info) {
     return CrashReason::eHardwareError;
   }
 
-  assert(false && "unexpected si_code for SIGBUS");
   return CrashReason::eInvalidCrashReason;
 }
 }
@@ -158,7 +154,7 @@ std::string GetCrashReasonString(CrashReason reason, lldb::addr_t fault_addr) {
 
   switch (reason) {
   default:
-    assert(false && "invalid CrashReason");
+    str = "unknown crash reason";
     break;
 
   case CrashReason::eInvalidAddress: