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/*******************************************************************************
* Copyright (c) 2007, 2015 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
/*
* Line Numbers Muliplexer - Provides a multiplexer to support several
* file format in the same TCF agent and in the same debug session.
*
* The multiplexer delegates actual search for line number info to info readers
* that are registed with add_line_numbers_reader().
*/
#include <tcf/config.h>
#if ENABLE_LineNumbers && ENABLE_LineNumbersMux
#include <errno.h>
#include <assert.h>
#include <stdio.h>
#include <tcf/framework/myalloc.h>
#include <tcf/services/linenumbers.h>
#include <tcf/services/linenumbers_mux.h>
static LineNumbersReader ** readers = NULL;
static unsigned reader_count = 0;
static unsigned max_reader_count = 0;
int line_to_address(Context * ctx, const char * file_name, int line, int column,
LineNumbersCallBack * client, void * args) {
unsigned i;
for (i = 0; i < reader_count; i++) {
if (readers[i]->line_to_address(ctx, file_name, line, column, client, args) < 0) {
return -1;
}
}
return 0;
}
int address_to_line(Context * ctx, ContextAddress addr0, ContextAddress addr1,
LineNumbersCallBack * client, void * args) {
unsigned i;
for (i = 0; i < reader_count; i++) {
if (readers[i]->address_to_line(ctx, addr0, addr1, client, args) < 0) {
return -1;
}
}
return 0;
}
int add_line_numbers_reader(LineNumbersReader * reader) {
if (reader_count >= max_reader_count) {
max_reader_count += 2;
readers = (LineNumbersReader **)loc_realloc(readers, max_reader_count * sizeof(LineNumbersReader *));
}
reader->reader_index = reader_count;
readers[reader_count++] = reader;
return 0;
}
extern void elf_reader_ini_line_numbers_lib(void);
extern void win32_reader_ini_line_numbers_lib(void);
extern void proxy_reader_ini_line_numbers_lib(void);
void ini_line_numbers_lib(void) {
/*
* We keep this to limit the impact of changes. In the ideal world, those
* initialization routines should be called from the agent initialization code.
*/
#if ENABLE_ELF
elf_reader_ini_line_numbers_lib();
#endif
#if ENABLE_PE
win32_reader_ini_line_numbers_lib();
#endif
#if ENABLE_LineNumbersProxy
proxy_reader_ini_line_numbers_lib();
#endif
}
#endif /* ENABLE_LineNumbers && ENABLE_LineNumbersMux */
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