From bd620effc8bf5ad8cbf86b5aa4b4c3f4e77a4609 Mon Sep 17 00:00:00 2001
From: Alex Langford <apl@fb.com>
Date: Fri, 8 Jun 2018 22:14:29 +0000
Subject: Delete dead code in NativeProcessLinux

As far as I can tell, this code has always been guarded by `#if 0`. If
this is useful code, it can be added back.

llvm-svn: 334333
---
 .../Plugins/Process/Linux/NativeProcessLinux.cpp   | 149 ---------------------
 1 file changed, 149 deletions(-)

(limited to 'lldb/source/Plugins')

diff --git a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
index f380835bf49..3fb886e1c7a 100644
--- a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
@@ -1622,155 +1622,6 @@ Status NativeProcessLinux::GetSoftwareBreakpointTrapOpcode(
   }
 }
 
-#if 0
-ProcessMessage::CrashReason
-NativeProcessLinux::GetCrashReasonForSIGSEGV(const siginfo_t *info)
-{
-    ProcessMessage::CrashReason reason;
-    assert(info->si_signo == SIGSEGV);
-
-    reason = ProcessMessage::eInvalidCrashReason;
-
-    switch (info->si_code)
-    {
-    default:
-        assert(false && "unexpected si_code for SIGSEGV");
-        break;
-    case SI_KERNEL:
-        // Linux will occasionally send spurious SI_KERNEL codes. (this is
-        // poorly documented in sigaction) One way to get this is via unaligned
-        // SIMD loads.
-        reason = ProcessMessage::eInvalidAddress; // for lack of anything better
-        break;
-    case SEGV_MAPERR:
-        reason = ProcessMessage::eInvalidAddress;
-        break;
-    case SEGV_ACCERR:
-        reason = ProcessMessage::ePrivilegedAddress;
-        break;
-    }
-
-    return reason;
-}
-#endif
-
-#if 0
-ProcessMessage::CrashReason
-NativeProcessLinux::GetCrashReasonForSIGILL(const siginfo_t *info)
-{
-    ProcessMessage::CrashReason reason;
-    assert(info->si_signo == SIGILL);
-
-    reason = ProcessMessage::eInvalidCrashReason;
-
-    switch (info->si_code)
-    {
-    default:
-        assert(false && "unexpected si_code for SIGILL");
-        break;
-    case ILL_ILLOPC:
-        reason = ProcessMessage::eIllegalOpcode;
-        break;
-    case ILL_ILLOPN:
-        reason = ProcessMessage::eIllegalOperand;
-        break;
-    case ILL_ILLADR:
-        reason = ProcessMessage::eIllegalAddressingMode;
-        break;
-    case ILL_ILLTRP:
-        reason = ProcessMessage::eIllegalTrap;
-        break;
-    case ILL_PRVOPC:
-        reason = ProcessMessage::ePrivilegedOpcode;
-        break;
-    case ILL_PRVREG:
-        reason = ProcessMessage::ePrivilegedRegister;
-        break;
-    case ILL_COPROC:
-        reason = ProcessMessage::eCoprocessorError;
-        break;
-    case ILL_BADSTK:
-        reason = ProcessMessage::eInternalStackError;
-        break;
-    }
-
-    return reason;
-}
-#endif
-
-#if 0
-ProcessMessage::CrashReason
-NativeProcessLinux::GetCrashReasonForSIGFPE(const siginfo_t *info)
-{
-    ProcessMessage::CrashReason reason;
-    assert(info->si_signo == SIGFPE);
-
-    reason = ProcessMessage::eInvalidCrashReason;
-
-    switch (info->si_code)
-    {
-    default:
-        assert(false && "unexpected si_code for SIGFPE");
-        break;
-    case FPE_INTDIV:
-        reason = ProcessMessage::eIntegerDivideByZero;
-        break;
-    case FPE_INTOVF:
-        reason = ProcessMessage::eIntegerOverflow;
-        break;
-    case FPE_FLTDIV:
-        reason = ProcessMessage::eFloatDivideByZero;
-        break;
-    case FPE_FLTOVF:
-        reason = ProcessMessage::eFloatOverflow;
-        break;
-    case FPE_FLTUND:
-        reason = ProcessMessage::eFloatUnderflow;
-        break;
-    case FPE_FLTRES:
-        reason = ProcessMessage::eFloatInexactResult;
-        break;
-    case FPE_FLTINV:
-        reason = ProcessMessage::eFloatInvalidOperation;
-        break;
-    case FPE_FLTSUB:
-        reason = ProcessMessage::eFloatSubscriptRange;
-        break;
-    }
-
-    return reason;
-}
-#endif
-
-#if 0
-ProcessMessage::CrashReason
-NativeProcessLinux::GetCrashReasonForSIGBUS(const siginfo_t *info)
-{
-    ProcessMessage::CrashReason reason;
-    assert(info->si_signo == SIGBUS);
-
-    reason = ProcessMessage::eInvalidCrashReason;
-
-    switch (info->si_code)
-    {
-    default:
-        assert(false && "unexpected si_code for SIGBUS");
-        break;
-    case BUS_ADRALN:
-        reason = ProcessMessage::eIllegalAlignment;
-        break;
-    case BUS_ADRERR:
-        reason = ProcessMessage::eIllegalAddress;
-        break;
-    case BUS_OBJERR:
-        reason = ProcessMessage::eHardwareError;
-        break;
-    }
-
-    return reason;
-}
-#endif
-
 Status NativeProcessLinux::ReadMemory(lldb::addr_t addr, void *buf, size_t size,
                                       size_t &bytes_read) {
   if (ProcessVmReadvSupported()) {
-- 
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