| /* |
| * Copyright (C) 2008-2010 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef _LINKER_DEBUG_H_ |
| #define _LINKER_DEBUG_H_ |
| |
| // You can increase the verbosity of debug traces by defining the LD_DEBUG |
| // environment variable to a numeric value from 0 to 2 (corresponding to |
| // INFO, TRACE, and DEBUG calls in the source). This will only |
| // affect new processes being launched. |
| |
| // By default, traces are sent to logcat, with the "linker" tag. You can |
| // change this to go to stdout instead by setting the definition of |
| // LINKER_DEBUG_TO_LOG to 0. |
| // ARC MOD BEGIN |
| // Always use stdout for logging in the bionic loader. |
| #define LINKER_DEBUG_TO_LOG 0 |
| // ARC MOD END |
| |
| #define TRACE_DEBUG 1 |
| #define DO_TRACE_LOOKUP 1 |
| #define DO_TRACE_RELO 1 |
| #define TIMING 0 |
| #define STATS 0 |
| #define COUNT_PAGES 0 |
| |
| /********************************************************************* |
| * You shouldn't need to modify anything below unless you are adding |
| * more debugging information. |
| * |
| * To enable/disable specific debug options, change the defines above |
| *********************************************************************/ |
| |
| #include "private/libc_logging.h" |
| |
| __LIBC_HIDDEN__ extern int g_ld_debug_verbosity; |
| |
| #if LINKER_DEBUG_TO_LOG |
| #define _PRINTVF(v, x...) \ |
| do { \ |
| if (g_ld_debug_verbosity > (v)) __libc_format_log(5-(v), "linker", x); \ |
| } while (0) |
| #else /* !LINKER_DEBUG_TO_LOG */ |
| /* ARC MOD BEGIN */ |
| // Add linker: prefix and merge __libc_format_fd and write calls into |
| // single __libc_format_fd call to stderr. |
| #define _PRINTVF(v,fmt,x...) \ |
| do { \ |
| if (g_ld_debug_verbosity > (v)) { \ |
| __libc_format_fd(2, "linker: " fmt "\n", ##x); \ |
| } \ |
| } while (0) |
| /* ARC MOD END */ |
| #endif /* !LINKER_DEBUG_TO_LOG */ |
| |
| #define PRINT(x...) _PRINTVF(-1, x) |
| #define INFO(x...) _PRINTVF(0, x) |
| #define TRACE(x...) _PRINTVF(1, x) |
| |
| #if TRACE_DEBUG |
| #define DEBUG(x...) _PRINTVF(2, "DEBUG: " x) |
| #else /* !TRACE_DEBUG */ |
| #define DEBUG(x...) do {} while (0) |
| #endif /* TRACE_DEBUG */ |
| |
| #define TRACE_TYPE(t, x...) do { if (DO_TRACE_##t) { TRACE(x); } } while (0) |
| |
| #endif /* _LINKER_DEBUG_H_ */ |