Run all error handling through an Errors object. Delete output file

on error.

1 files changed, 314 insertions, 0 deletions

diff --git a/gold/errors.cc b/gold/errors.cc
new file mode 100644
index 0000000..3aa3ece
--- /dev/null
+++ b/gold/errors.cc
@@ -0,0 +1,314 @@
+// errors.cc -- handle errors for gold
+
+// Copyright 2006, 2007 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
+#include "gold.h"
+
+#include <cstdarg>
+#include <cstdio>
+
+#include "gold-threads.h"
+#include "parameters.h"
+#include "object.h"
+#include "symtab.h"
+#include "errors.h"
+
+namespace gold
+{
+
+// Class Errors.
+
+const int Errors::max_undefined_error_report;
+
+Errors::Errors(const char* program_name)
+  : program_name_(program_name), lock_(), error_count_(0), warning_count_(0),
+    undefined_symbols_()
+{
+}
+
+// Report a fatal error.
+
+void
+Errors::fatal(const char* format, va_list args)
+{
+  fprintf(stderr, "%s: ", this->program_name_);
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  gold_exit(false);
+}
+
+// Report an error.
+
+void
+Errors::error(const char* format, va_list args)
+{
+  fprintf(stderr, "%s: ", this->program_name_);
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  {
+    Hold_lock h(this->lock_);
+    ++this->error_count_;
+  }
+}
+
+// Report a warning.
+
+void
+Errors::warning(const char* format, va_list args)
+{
+  fprintf(stderr, _("%s: warning: "), this->program_name_);
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  {
+    Hold_lock h(this->lock_);
+    ++this->warning_count_;
+  }
+}
+
+// Report an error at a reloc location.
+
+template<int size, bool big_endian>
+void
+Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo,
+			  size_t relnum, off_t reloffset,
+			  const char* format, va_list args)
+{
+  fprintf(stderr, "%s: %s: ", this->program_name_,
+	  relinfo->location(relnum, reloffset).c_str());
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  {
+    Hold_lock h(this->lock_);
+    ++this->error_count_;
+  }
+}
+
+// Report a warning at a reloc location.
+
+template<int size, bool big_endian>
+void
+Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo,
+			    size_t relnum, off_t reloffset,
+			    const char* format, va_list args)
+{
+  fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
+	  relinfo->location(relnum, reloffset).c_str());
+  vfprintf(stderr, format, args);
+  fputc('\n', stderr);
+  {
+    Hold_lock h(this->lock_);
+    ++this->warning_count_;
+  }
+}
+
+// Issue an undefined symbol error.
+
+template<int size, bool big_endian>
+void
+Errors::undefined_symbol(const Symbol* sym,
+			 const Relocate_info<size, big_endian>* relinfo,
+			 size_t relnum, off_t reloffset)
+{
+  {
+    Hold_lock h(this->lock_);
+    if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
+      return;
+    ++this->error_count_;
+  }
+  fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
+	  this->program_name_, relinfo->location(relnum, reloffset).c_str(),
+	  sym->name());
+}
+
+
+// The functions which the rest of the code actually calls.
+
+// Report a fatal error.
+
+void
+gold_fatal(const char* format, ...)
+{
+  va_list args;
+  va_start(args, format);
+  parameters->errors()->fatal(format, args);
+  va_end(args);
+}
+
+// Report an error.
+
+void
+gold_error(const char* format, ...)
+{
+  va_list args;
+  va_start(args, format);
+  parameters->errors()->error(format, args);
+  va_end(args);
+}
+
+// Report a warning.
+
+void
+gold_warning(const char* format, ...)
+{
+  va_list args;
+  va_start(args, format);
+  parameters->errors()->warning(format, args);
+  va_end(args);
+}
+
+// Report an error at a location.
+
+template<int size, bool big_endian>
+void
+gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
+		       size_t relnum, off_t reloffset,
+		       const char* format, ...)
+{
+  va_list args;
+  va_start(args, format);
+  parameters->errors()->error_at_location(relinfo, relnum, reloffset,
+					  format, args);
+  va_end(args);
+}
+
+// Report a warning at a location.
+
+template<int size, bool big_endian>
+void
+gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
+			 size_t relnum, off_t reloffset,
+			 const char* format, ...)
+{
+  va_list args;
+  va_start(args, format);
+  parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
+					    format, args);
+  va_end(args);
+}
+
+// Report an undefined symbol.
+
+template<int size, bool big_endian>
+void
+gold_undefined_symbol(const Symbol* sym,
+		      const Relocate_info<size, big_endian>* relinfo,
+		      size_t relnum, off_t reloffset)
+{
+  parameters->errors()->undefined_symbol(sym, relinfo, relnum, reloffset);
+}
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
+				  size_t relnum, off_t reloffset,
+				  const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
+				 size_t relnum, off_t reloffset,
+				 const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
+				  size_t relnum, off_t reloffset,
+				  const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
+				 size_t relnum, off_t reloffset,
+				 const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
+				    size_t relnum, off_t reloffset,
+				    const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
+				   size_t relnum, off_t reloffset,
+				   const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
+				    size_t relnum, off_t reloffset,
+				    const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
+				   size_t relnum, off_t reloffset,
+				   const char* format, ...);
+#endif
+
+#ifdef HAVE_TARGET_32_LITTLE
+template
+void
+gold_undefined_symbol<32, false>(const Symbol* sym,
+				 const Relocate_info<32, false>* relinfo,
+				 size_t relnum, off_t reloffset);
+#endif
+
+#ifdef HAVE_TARGET_32_BIG
+template
+void
+gold_undefined_symbol<32, true>(const Symbol* sym,
+				const Relocate_info<32, true>* relinfo,
+				size_t relnum, off_t reloffset);
+#endif
+
+#ifdef HAVE_TARGET_64_LITTLE
+template
+void
+gold_undefined_symbol<64, false>(const Symbol* sym,
+				 const Relocate_info<64, false>* relinfo,
+				 size_t relnum, off_t reloffset);
+#endif
+
+#ifdef HAVE_TARGET_64_BIG
+template
+void
+gold_undefined_symbol<64, true>(const Symbol* sym,
+				const Relocate_info<64, true>* relinfo,
+				size_t relnum, off_t reloffset);
+#endif
+
+} // End namespace gold.