sandbox/linux: move ErrorCode into bpf_dsl

sandbox/linux/bpf_dsl/errorcode.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "sandbox/linux/seccomp-bpf/errorcode.h"
+#include "sandbox/linux/bpf_dsl/errorcode.h"
 
-#include "sandbox/linux/seccomp-bpf/die.h"
+#include "base/logging.h"
 #include "sandbox/linux/system_headers/linux_seccomp.h"
 
 namespace sandbox {
+namespace bpf_dsl {
 
-ErrorCode::ErrorCode() : error_type_(ET_INVALID), err_(SECCOMP_RET_INVALID) {
-}
+ErrorCode::ErrorCode() : error_type_(ET_INVALID), err_(SECCOMP_RET_INVALID) {}
 
 ErrorCode::ErrorCode(int err) {
   switch (err) {
     case ERR_ALLOWED:
       err_ = SECCOMP_RET_ALLOW;
       error_type_ = ET_SIMPLE;
       break;
     case ERR_KILL:
       err_ = SECCOMP_RET_KILL;
       error_type_ = ET_SIMPLE;
       break;
     case ERR_MIN_ERRNO... ERR_MAX_ERRNO:
       err_ = SECCOMP_RET_ERRNO + err;
       error_type_ = ET_SIMPLE;
       break;
     default:
       if ((err & ~SECCOMP_RET_DATA) == ERR_TRACE) {
         err_ = SECCOMP_RET_TRACE + (err & SECCOMP_RET_DATA);
         error_type_ = ET_SIMPLE;
         break;
       }
-      SANDBOX_DIE("Invalid use of ErrorCode object");
+      LOG(FATAL) << "Invalid use of ErrorCode object";
   }
 }
 
 ErrorCode::ErrorCode(uint16_t trap_id,
-                     Trap::TrapFnc fnc,
+                     TrapRegistry::TrapFnc fnc,
                      const void* aux,
                      bool safe)
     : error_type_(ET_TRAP),
       fnc_(fnc),
       aux_(const_cast<void*>(aux)),
       safe_(safe),
-      err_(SECCOMP_RET_TRAP + trap_id) {
-}
+      err_(SECCOMP_RET_TRAP + trap_id) {}
 
 ErrorCode::ErrorCode(int argno,
                      ArgType width,
                      uint64_t mask,
                      uint64_t value,
                      const ErrorCode* passed,
                      const ErrorCode* failed)
     : error_type_(ET_COND),
       mask_(mask),
       value_(value),
       argno_(argno),
       width_(width),
       passed_(passed),
       failed_(failed),
-      err_(SECCOMP_RET_INVALID) {
-}
+      err_(SECCOMP_RET_INVALID) {}
 
 bool ErrorCode::Equals(const ErrorCode& err) const {
   if (error_type_ == ET_INVALID || err.error_type_ == ET_INVALID) {
-    SANDBOX_DIE("Dereferencing invalid ErrorCode");
+    LOG(FATAL) << "Dereferencing invalid ErrorCode";
   }
   if (error_type_ != err.error_type_) {
     return false;
   }
   if (error_type_ == ET_SIMPLE || error_type_ == ET_TRAP) {
     return err_ == err.err_;
   } else if (error_type_ == ET_COND) {
     return mask_ == err.mask_ && value_ == err.value_ && argno_ == err.argno_ &&
            width_ == err.width_ && passed_->Equals(*err.passed_) &&
            failed_->Equals(*err.failed_);
   } else {
-    SANDBOX_DIE("Corrupted ErrorCode");
+    LOG(FATAL) << "Corrupted ErrorCode";
+    return false;
   }
 }
 
 bool ErrorCode::LessThan(const ErrorCode& err) const {
   // Implementing a "LessThan()" operator allows us to use ErrorCode objects
   // as keys in STL containers; most notably, it also allows us to put them
   // into std::set<>. Actual ordering is not important as long as it is
   // deterministic.
   if (error_type_ == ET_INVALID || err.error_type_ == ET_INVALID) {
-    SANDBOX_DIE("Dereferencing invalid ErrorCode");
+    LOG(FATAL) << "Dereferencing invalid ErrorCode";
   }
   if (error_type_ != err.error_type_) {
     return error_type_ < err.error_type_;
   } else {
     if (error_type_ == ET_SIMPLE || error_type_ == ET_TRAP) {
       return err_ < err.err_;
     } else if (error_type_ == ET_COND) {
       if (mask_ != err.mask_) {
         return mask_ < err.mask_;
       } else if (value_ != err.value_) {
         return value_ < err.value_;
       } else if (argno_ != err.argno_) {
         return argno_ < err.argno_;
       } else if (width_ != err.width_) {
         return width_ < err.width_;
       } else if (!passed_->Equals(*err.passed_)) {
         return passed_->LessThan(*err.passed_);
       } else if (!failed_->Equals(*err.failed_)) {
         return failed_->LessThan(*err.failed_);
       } else {
         return false;
       }
     } else {
-      SANDBOX_DIE("Corrupted ErrorCode");
+      LOG(FATAL) << "Corrupted ErrorCode";
+      return false;
     }
   }
 }
 
+}  // namespace bpf_dsl
 }  // namespace sandbox