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Forum: ARM programming with GCC/GNU tools Linker Bug


Author: Ardy Falls (ardyfalls)
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When I include this big block of C code in my app, it triggers a Linker
bug that creates an elf that is 4gb in size.

The compile options are...
-Wall -mlittle-endian -mcpu=arm9 -fno-strict-aliasing -mapcs-frame
-fno-builtin -ffunction-sections -fshort-enums -Os -finline-functions
-funit-at-a-time -fmerge-all-constants -DNDEBUG -DDYNAMIC_APP -DBREW

The linker options are....
--emit-relocs --no-warn-mismatch -Os --discard-all -nostdlib


The code is ....



static const char* dbgCmdMsg[ 5 ] =
{
  "MM_CMD_SETMEDIAPARAM",    /* MM_CMD_SETMEDIAPARM */
  "MM_CMD_GETMEDIAPARAM",    /* MM_CMD_GETMEDIAPARM */
  "MM_CMD_PLAY",        /* MM_CMD_PLAY */
  "MM_CMD_RECORD",      /* MM_CMD_RECORD */
  "MM_CMD_GETTOTALTIME"    /* MM_CMD_GETTOTALTIME */
};
static const char*  dbgStatusMsg[ 20 ] =
{
  "CMD_SUCCESSFUL",
  "MM_STATUS_START",      /* MM_STATUS_START */
  "MM_STATUS_DONE",      /* MM_STATUS_DONE */
  "MM_STATUS_ABORT",      /* MM_STATUS_ABORT */
  "MM_STATUS_MEDIA_SPEC",    /* MM_STATUS_MEDIA_SPEC */
  "MM_STATUS_TICK_UPDATE",  /* MM_STATUS_TICK_UPDATE */
  "MM_STATUS_DATA_IO_DELAY",  /* MM_STATUS_DATA_IO_DELAY */
  "MM_STATUS_SEEK",      /* MM_STATUS_SEEK */
  "MM_STATUS_SEEK_FAIL",    /* MM_STATUS_SEEK_FAIL */
  "MM_STATUS_PAUSE",      /* MM_STATUS_PAUSE */
  "MM_STATUS_PAUSE_FAIL",    /* MM_STATUS_PAUSE_FAIL */
  "MM_STATUS_RESUME",      /* MM_STATUS_RESUME */
  "MM_STATUS_RESUME_FAIL",  /* MM_STATUS_RESUME_FAIL */
  "MM_STATUS_REPEAT",      /* MM_STATUS_REPEAT */
  "MM_STATUS_SPACE_WARNING" ,  /* MM_STATUS_SPACE_WARNING */
  "MM_STATUS_SPACE_ERROR",  /* MM_STATUS_SPACE_ERROR */
  "MM_STATUS_UNKNOWN",    /* MM_STATUS_UNKNOWN */
  "MM_STATUS_FRAME",      /* MM_STATUS_FRAME */
  "MM_STATUS_SYNC",      /* MM_STATUS_SYNC */
  "MM_STATUS_AUDIOSYNC"    /* MM_STATUS_AUDIOSYNC */
};
static const char* dbgAdvStatusMsg[ 41 ] =
{
   "MM_MP4_STATUS_3GPP_TTEXT",          /*  Next 3GPP Timed Text is
READY to display */
   "MM_MP4_STATUS_TELOP_TEXT",          /* Next Telop Text is READY to
display */
   "MM_MP4_STATUS_BUFFER_UPDATE",          /* indicate Buffering */
   "MM_MP4_STATUS_CONNECTION_UPDATE",        /* streaming Setup in
progress indication */
   "MM_MP4_STATUS_PB_READY",            /* indicate moving to Playback
Ready State */
   "MM_MP4_STATUS_OPEN_COMPLETE",          /* indicate open file
complete */
   "MM_MP4_STATUS_NO_SYNC_FRAME",          /* no sync frame error (seek
may fail) */
   "MM_MP4_STATUS_RTSP",              /* RTSP status code */
   "MM_MP4_STATUS_RESTARTING_VIDEO",        /* restarting video in loop
mode */
   "MM_MP4_STATUS_RESTARTING_AUDIO",        /* restarting audio in loop
mode */
   "MM_MP4_STATUS_RESTARTING_TEXT",        /* restarting text in loop
mode */
   "MM_MP4_STATUS_PS_BUFFER_UPDATE",        /* pseudo stream is in
buffering state */
   "MM_MP4_STATUS_UNHANDLED_SDP",          /* unhandled sdp line */
   "MM_MP4_STATUS_UNHANDLED_RTSP",        /* unhandled rtsp header */
   "MM_MP4_STATUS_AUDIO_ABORT",          /* Error in audio track */
   "MM_MP4_STATUS_VIDEO_ABORT",          /* Error in video track */
   "MM_MP4_STATUS_MIDI_AVAILABLE",        /* MIDI data is available for
user */
   "MM_MP4_STATUS_PLAYING",            /* Qtv is playing after
reposition or start of play */
   "MM_MP4_STATUS_FILE_SYS_LIMIT",        /* File sys limit is
approaching during stream recording */
   "MM_MP4_STATUS_FILE_SYS_FULL",          /* File sys is FULL */
   "MM_MP4_STATUS_FILE_ALREADY_EXISTS",      /* File already Exists,
Cannot overwrite */
   "MM_MP4_STATUS_FILE_OW_FAILURE",        /* Failed to overwrite a file
*/
   "MM_MP4_STATUS_RECORDER_FAILED",        /* Stream recorder failed */
   "MM_MP4_STATUS_RECORD_COMPLETED",        /* Stream record completed
*/
   "MM_MP4_STATUS_VIDEO_MEDIA_END",        /* video media ends, but
still video maybe playing */
   "MM_MP4_STATUS_AUDIO_MEDIA_END",        /* audio media ends, but
still audio maybe playing */
   "MM_MP4_STATUS_TEXT_MEDIA_END",        /* text media ends, but still
text maybe playing */
   "MM_MP4_STATUS_PSEUDO_PAUSE",          /* While Pseudo Streaming not
enough data so PSEUDO PAUSE */
   "MM_MP4_STATUS_PSEUDO_RESUME",          /* While Pseudo Streaming
enough data to resume */
   "MM_MP4_STATUS_HTTP_PAUSE",          /* While HTTP Streaming not
enough data so HTTP PAUSE */
   "MM_MP4_STATUS_HTTP_RESUME",          /* While HTTP Streaming enough
data to resume */
   "MM_MP4_STATUS_RECORDED_CLIP_DURATION",    /* gives recorded clip
duration, record_duration = *((uint32 *)pCmdNotify->pCmdData) */
   "MM_MP4_STATUS_TS_LAYER_PRESENT",        /* Add for dectection of TS
LAYER */
   "MM_MP4_STATUS_VIDEO_RESOLUTION_NOT_SUPPORTED",/* video resolution
not supported */
   "MM_MP4_STATUS_INFO",              /*  Status information passed the
app */
   "MM_MP4_STATUS_DL_STOPPED",          /* HTTP Download stopped */
   "MM_MP4_STATUS_DL_COMPLETE",          /* HTTP Downloading completed
*/
   "MM_MP4_STATUS_DL_DATA_AVAILABLE",        /* Downloaded Data
available */
   "MM_MP4_STATUS_PLAYLIST_CLIP_TRANSITION",    /* Clip transition */
   "MM_MP4_STATUS_PLAYLIST_SKIP_COMPLETE",    /* Succeeded in skipping
to a different clip */
   "MM_MP4_STATUS_PLAYLIST_SKIP_FAILED"       /* Failed to skip to a
different clip */
};

Author: James Lynch (lynchzilla)
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Andy.

For what it is worth, I patched your C code and linker settings into a
working Eclipse ARM7 project and they compiled and built OK.

Cheers,
Jim Lynch

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