[deliverable/binutils-gdb.git] / gold / errors.cc

// 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_(NULL), error_count_(0),
    warning_count_(0), undefined_symbols_()
{
}

// Initialize the lock_ field.

void
Errors::initialize_lock()
{
  if (this->lock_ == NULL)
    this->lock_ = new Lock;
}

// 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);

  this->initialize_lock();
  {
    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);

  this->initialize_lock();
  {
    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);

  this->initialize_lock();
  {
    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);

  this->initialize_lock();
  {
    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)
{
  this->initialize_lock();
  {
    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->demangled_name().c_str());
}

// Issue a debugging message.

void
Errors::debug(const char* format, ...)
{
  fprintf(stderr, _("%s: "), this->program_name_);

  va_list args;
  va_start(args, format);
  vfprintf(stderr, format, args);
  va_end(args);

  fputc('\n', stderr);
}

// 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.
Commit	Line	Data
75f2446e ILT	1	// errors.cc -- handle errors for gold
	2
	3	// Copyright 2006, 2007 Free Software Foundation, Inc.
	4	// Written by Ian Lance Taylor <iant@google.com>.
	5
	6	// This file is part of gold.
	7
	8	// This program is free software; you can redistribute it and/or modify
	9	// it under the terms of the GNU General Public License as published by
	10	// the Free Software Foundation; either version 3 of the License, or
	11	// (at your option) any later version.
	12
	13	// This program is distributed in the hope that it will be useful,
	14	// but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	// GNU General Public License for more details.
	17
	18	// You should have received a copy of the GNU General Public License
	19	// along with this program; if not, write to the Free Software
	20	// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	21	// MA 02110-1301, USA.
	22
	23	#include "gold.h"
	24
	25	#include <cstdarg>
	26	#include <cstdio>
	27
	28	#include "gold-threads.h"
	29	#include "parameters.h"
	30	#include "object.h"
	31	#include "symtab.h"
	32	#include "errors.h"
	33
	34	namespace gold
	35	{
	36
	37	// Class Errors.
	38
	39	const int Errors::max_undefined_error_report;
	40
	41	Errors::Errors(const char* program_name)
c7912668 ILT	42	: program_name_(program_name), lock_(NULL), error_count_(0),
c7912668 ILT	43	warning_count_(0), undefined_symbols_()
75f2446e ILT	44	{
	45	}
	46
c7912668 ILT	47	// Initialize the lock_ field.
	48
	49	void
	50	Errors::initialize_lock()
	51	{
	52	if (this->lock_ == NULL)
	53	this->lock_ = new Lock;
	54	}
	55
75f2446e ILT	56	// Report a fatal error.
	57
	58	void
	59	Errors::fatal(const char* format, va_list args)
	60	{
	61	fprintf(stderr, "%s: ", this->program_name_);
	62	vfprintf(stderr, format, args);
	63	fputc('\n', stderr);
	64	gold_exit(false);
	65	}
	66
	67	// Report an error.
	68
	69	void
	70	Errors::error(const char* format, va_list args)
	71	{
	72	fprintf(stderr, "%s: ", this->program_name_);
	73	vfprintf(stderr, format, args);
	74	fputc('\n', stderr);
c7912668 ILT	75
c7912668 ILT	76	this->initialize_lock();
75f2446e	77	{
c7912668	78	Hold_lock h(*this->lock_);
75f2446e ILT	79	++this->error_count_;
	80	}
	81	}
	82
	83	// Report a warning.
	84
	85	void
	86	Errors::warning(const char* format, va_list args)
	87	{
	88	fprintf(stderr, _("%s: warning: "), this->program_name_);
	89	vfprintf(stderr, format, args);
	90	fputc('\n', stderr);
c7912668 ILT	91
c7912668 ILT	92	this->initialize_lock();
75f2446e	93	{
c7912668	94	Hold_lock h(*this->lock_);
75f2446e ILT	95	++this->warning_count_;
	96	}
	97	}
	98
	99	// Report an error at a reloc location.
	100
	101	template<int size, bool big_endian>
	102	void
	103	Errors::error_at_location(const Relocate_info<size, big_endian>* relinfo,
	104	size_t relnum, off_t reloffset,
	105	const char* format, va_list args)
	106	{
	107	fprintf(stderr, "%s: %s: ", this->program_name_,
	108	relinfo->location(relnum, reloffset).c_str());
	109	vfprintf(stderr, format, args);
	110	fputc('\n', stderr);
c7912668 ILT	111
c7912668 ILT	112	this->initialize_lock();
75f2446e	113	{
c7912668	114	Hold_lock h(*this->lock_);
75f2446e ILT	115	++this->error_count_;
	116	}
	117	}
	118
	119	// Report a warning at a reloc location.
	120
	121	template<int size, bool big_endian>
	122	void
	123	Errors::warning_at_location(const Relocate_info<size, big_endian>* relinfo,
	124	size_t relnum, off_t reloffset,
	125	const char* format, va_list args)
	126	{
	127	fprintf(stderr, _("%s: %s: warning: "), this->program_name_,
	128	relinfo->location(relnum, reloffset).c_str());
	129	vfprintf(stderr, format, args);
	130	fputc('\n', stderr);
c7912668 ILT	131
c7912668 ILT	132	this->initialize_lock();
75f2446e	133	{
c7912668	134	Hold_lock h(*this->lock_);
75f2446e ILT	135	++this->warning_count_;
	136	}
	137	}
	138
	139	// Issue an undefined symbol error.
	140
	141	template<int size, bool big_endian>
	142	void
	143	Errors::undefined_symbol(const Symbol* sym,
	144	const Relocate_info<size, big_endian>* relinfo,
	145	size_t relnum, off_t reloffset)
	146	{
c7912668	147	this->initialize_lock();
75f2446e	148	{
c7912668	149	Hold_lock h(*this->lock_);
75f2446e ILT	150	if (++this->undefined_symbols_[sym] >= max_undefined_error_report)
	151	return;
	152	++this->error_count_;
	153	}
	154	fprintf(stderr, _("%s: %s: undefined reference to '%s'\n"),
	155	this->program_name_, relinfo->location(relnum, reloffset).c_str(),
a2b1aa12	156	sym->demangled_name().c_str());
75f2446e ILT	157	}
75f2446e ILT	158
c7912668 ILT	159	// Issue a debugging message.
	160
	161	void
	162	Errors::debug(const char* format, ...)
	163	{
	164	fprintf(stderr, _("%s: "), this->program_name_);
	165
	166	va_list args;
	167	va_start(args, format);
	168	vfprintf(stderr, format, args);
	169	va_end(args);
	170
	171	fputc('\n', stderr);
	172	}
75f2446e ILT	173
	174	// The functions which the rest of the code actually calls.
	175
	176	// Report a fatal error.
	177
	178	void
	179	gold_fatal(const char* format, ...)
	180	{
	181	va_list args;
	182	va_start(args, format);
	183	parameters->errors()->fatal(format, args);
	184	va_end(args);
	185	}
	186
	187	// Report an error.
	188
	189	void
	190	gold_error(const char* format, ...)
	191	{
	192	va_list args;
	193	va_start(args, format);
	194	parameters->errors()->error(format, args);
	195	va_end(args);
	196	}
	197
	198	// Report a warning.
	199
	200	void
	201	gold_warning(const char* format, ...)
	202	{
	203	va_list args;
	204	va_start(args, format);
	205	parameters->errors()->warning(format, args);
	206	va_end(args);
	207	}
	208
	209	// Report an error at a location.
	210
	211	template<int size, bool big_endian>
	212	void
	213	gold_error_at_location(const Relocate_info<size, big_endian>* relinfo,
	214	size_t relnum, off_t reloffset,
	215	const char* format, ...)
	216	{
	217	va_list args;
	218	va_start(args, format);
	219	parameters->errors()->error_at_location(relinfo, relnum, reloffset,
	220	format, args);
	221	va_end(args);
	222	}
	223
	224	// Report a warning at a location.
	225
	226	template<int size, bool big_endian>
	227	void
	228	gold_warning_at_location(const Relocate_info<size, big_endian>* relinfo,
	229	size_t relnum, off_t reloffset,
	230	const char* format, ...)
	231	{
	232	va_list args;
	233	va_start(args, format);
	234	parameters->errors()->warning_at_location(relinfo, relnum, reloffset,
	235	format, args);
	236	va_end(args);
237	}
238
239	// Report an undefined symbol.
240
241	template<int size, bool big_endian>
242	void
243	gold_undefined_symbol(const Symbol* sym,
244	const Relocate_info<size, big_endian>* relinfo,
245	size_t relnum, off_t reloffset)
246	{
247	parameters->errors()->undefined_symbol(sym, relinfo, relnum, reloffset);
248	}
249
250	#ifdef HAVE_TARGET_32_LITTLE
251	template
252	void
253	gold_error_at_location<32, false>(const Relocate_info<32, false>* relinfo,
254	size_t relnum, off_t reloffset,
255	const char* format, ...);
256	#endif
257
258	#ifdef HAVE_TARGET_32_BIG
259	template
260	void
261	gold_error_at_location<32, true>(const Relocate_info<32, true>* relinfo,
262	size_t relnum, off_t reloffset,
263	const char* format, ...);
264	#endif
265
266	#ifdef HAVE_TARGET_64_LITTLE
267	template
268	void
269	gold_error_at_location<64, false>(const Relocate_info<64, false>* relinfo,
270	size_t relnum, off_t reloffset,
271	const char* format, ...);
272	#endif
273
274	#ifdef HAVE_TARGET_64_BIG
275	template
276	void
277	gold_error_at_location<64, true>(const Relocate_info<64, true>* relinfo,
278	size_t relnum, off_t reloffset,
279	const char* format, ...);
280	#endif
281
282	#ifdef HAVE_TARGET_32_LITTLE
283	template
284	void
285	gold_warning_at_location<32, false>(const Relocate_info<32, false>* relinfo,
286	size_t relnum, off_t reloffset,
287	const char* format, ...);
288	#endif
289
290	#ifdef HAVE_TARGET_32_BIG
291	template
292	void
293	gold_warning_at_location<32, true>(const Relocate_info<32, true>* relinfo,
294	size_t relnum, off_t reloffset,
295	const char* format, ...);
296	#endif
297
298	#ifdef HAVE_TARGET_64_LITTLE
299	template
300	void
301	gold_warning_at_location<64, false>(const Relocate_info<64, false>* relinfo,
302	size_t relnum, off_t reloffset,
303	const char* format, ...);
304	#endif
305
306	#ifdef HAVE_TARGET_64_BIG
307	template
308	void
309	gold_warning_at_location<64, true>(const Relocate_info<64, true>* relinfo,
310	size_t relnum, off_t reloffset,
311	const char* format, ...);
312	#endif
313
314	#ifdef HAVE_TARGET_32_LITTLE
315	template
316	void
317	gold_undefined_symbol<32, false>(const Symbol* sym,
318	const Relocate_info<32, false>* relinfo,
319	size_t relnum, off_t reloffset);
320	#endif
321
322	#ifdef HAVE_TARGET_32_BIG
323	template
324	void
325	gold_undefined_symbol<32, true>(const Symbol* sym,
326	const Relocate_info<32, true>* relinfo,
327	size_t relnum, off_t reloffset);
328	#endif
329
330	#ifdef HAVE_TARGET_64_LITTLE
331	template
332	void
333	gold_undefined_symbol<64, false>(const Symbol* sym,
334	const Relocate_info<64, false>* relinfo,
335	size_t relnum, off_t reloffset);
336	#endif
337
338	#ifdef HAVE_TARGET_64_BIG
339	template
340	void
341	gold_undefined_symbol<64, true>(const Symbol* sym,
342	const Relocate_info<64, true>* relinfo,
343	size_t relnum, off_t reloffset);
344	#endif
345
346	} // End namespace gold.