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More debugging information. Now identifies symtab and strtab based on type rather than name.

This commit is contained in:
adamdunkels 2007-03-22 23:56:44 +00:00
parent cf24a46d2a
commit 0ddd326c9b
1 changed files with 24 additions and 17 deletions
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41
core/loader/elfloader.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* @(#)$Id: elfloader.c,v 1.4 2006/12/18 15:35:16 fros4943 Exp $
* @(#)$Id: elfloader.c,v 1.5 2007/03/22 23:56:44 adamdunkels Exp $
*/
#include "contiki.h"
@ -267,10 +267,10 @@ relocate_section(int fd,
addr = sect->address;
}
if (!using_relas) {
/* copy addend to rela structure */
seek_read(fd, sectionaddr + rela.r_offset, &rela.r_addend, 4);
}
if(!using_relas) {
/* copy addend to rela structure */
seek_read(fd, sectionaddr + rela.r_offset, (char *)&rela.r_addend, 4);
}
elfloader_arch_relocate(fd, sectionaddr, sectionbase, &rela, addr);
}
@ -408,13 +408,24 @@ elfloader_load(int fd)
/* The name of the section is contained in the strings table. */
nameptr = strs + shdr.sh_name;
seek_read(fd, nameptr, name, sizeof(name));
PRINTF("Section shdrptr 0x%x, %d + %d type %d\n",
shdrptr,
strs, shdr.sh_name,
(int)shdr.sh_type);
/* Match the name of the section with a predefined set of names
(.text, .data, .bss, .rela.text, .rela.data, .symtab, and
.strtab). */
/* added support for .rodata, .rel.text and .rel.data). */
if(strncmp(name, ".text", 5) == 0) {
if(shdr.sh_type == SHT_SYMTAB/*strncmp(name, ".symtab", 7) == 0*/) {
PRINTF("symtab\n");
symtaboff = shdr.sh_offset;
symtabsize = shdr.sh_size;
} else if(shdr.sh_type == SHT_STRTAB/*strncmp(name, ".strtab", 7) == 0*/) {
PRINTF("strtab\n");
strtaboff = shdr.sh_offset;
strtabsize = shdr.sh_size;
} else if(strncmp(name, ".text", 5) == 0) {
textoff = shdr.sh_offset;
textsize = shdr.sh_size;
text.number = i;
@ -456,12 +467,6 @@ elfloader_load(int fd)
using_relas = 1;
datarelaoff = shdr.sh_offset;
datarelasize = shdr.sh_size;
} else if(strncmp(name, ".symtab", 7) == 0) {
symtaboff = shdr.sh_offset;
symtabsize = shdr.sh_size;
} else if(strncmp(name, ".strtab", 7) == 0) {
strtaboff = shdr.sh_offset;
strtabsize = shdr.sh_size;
} else if(strncmp(name, ".bss", 4) == 0) {
bsssize = shdr.sh_size;
bss.number = i;
@ -482,16 +487,18 @@ elfloader_load(int fd)
return ELFLOADER_NO_TEXT;
}
PRINTF("before allocate ram\n");
bss.address = (char *)elfloader_arch_allocate_ram(bsssize + datasize);
data.address = (char *)bss.address + bsssize;
PRINTF("before allocate rom\n");
text.address = (char *)elfloader_arch_allocate_rom(textsize + rodatasize);
rodata.address = (char *)text.address + textsize;
/* printf("bss base address: bss.address = 0x%08x\n", bss.address);
printf("data base address: data.address = 0x%08x\n", data.address);
printf("text base address: text.address = 0x%08x\n", text.address);
printf("rodata base address: rodata.address = 0x%08x\n", rodata.address); */
PRINTF("bss base address: bss.address = 0x%08x\n", bss.address);
PRINTF("data base address: data.address = 0x%08x\n", data.address);
PRINTF("text base address: text.address = 0x%08x\n", text.address);
PRINTF("rodata base address: rodata.address = 0x%08x\n", rodata.address);
/* If we have text segment relocations, we process them. */