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Added debugging statements

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This commit is contained in:
adamdunkels 2008-07-09 20:56:25 +00:00
parent 304a4cfa0b
commit 4fe5b37d87
1 changed files with 18 additions and 2 deletions
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20
core/loader/elfloader.c
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@ -28,7 +28,7 @@
* *
* This file is part of the Contiki operating system. * This file is part of the Contiki operating system.
* *
* @(#)$Id: elfloader.c,v 1.8 2008/01/24 13:09:32 adamdunkels Exp $ * @(#)$Id: elfloader.c,v 1.9 2008/07/09 20:56:25 adamdunkels Exp $
*/ */
#include "contiki.h" #include "contiki.h"
@ -43,7 +43,8 @@
#include <string.h> #include <string.h>
#include <stdio.h> #include <stdio.h>
#if 0 #define DEBUG 0
#if DEBUG
#include <stdio.h> #include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__) #define PRINTF(...) printf(__VA_ARGS__)
#else #else
@ -150,6 +151,17 @@ seek_read(int fd, unsigned int offset, char *buf, int len)
{ {
cfs_seek(fd, offset); cfs_seek(fd, offset);
cfs_read(fd, buf, len); cfs_read(fd, buf, len);
#if DEBUG
{
int i;
PRINTF("seek_read: Read len %d from offset %d\n",
len, offset);
for(i = 0; i < len; ++i ) {
PRINTF("%02x ", buf[i]);
}
printf("\n");
}
#endif /* DEBUG */
} }
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/* /*
@ -368,6 +380,8 @@ elfloader_load(int fd)
shdrsize = ehdr.e_shentsize; shdrsize = ehdr.e_shentsize;
shdrnum = ehdr.e_shnum; shdrnum = ehdr.e_shnum;
PRINTF("Section header: size %d num %d\n", shdrsize, shdrnum);
/* The string table section: holds the names of the sections. */ /* The string table section: holds the names of the sections. */
seek_read(fd, ehdr.e_shoff + shdrsize * ehdr.e_shstrndx, seek_read(fd, ehdr.e_shoff + shdrsize * ehdr.e_shstrndx,
(char *)&strtable, sizeof(strtable)); (char *)&strtable, sizeof(strtable));
@ -377,6 +391,8 @@ elfloader_load(int fd)
file (these are in the sybtam section). */ file (these are in the sybtam section). */
strs = strtable.sh_offset; strs = strtable.sh_offset;
PRINTF("Strtable offset %d\n", strs);
/* Go through all sections and pick out the relevant ones. The /* Go through all sections and pick out the relevant ones. The
".text" segment holds the actual code from the ELF file, the ".text" segment holds the actual code from the ELF file, the
".data" segment contains initialized data, the ".bss" segment ".data" segment contains initialized data, the ".bss" segment