Release note: SF bug 2134 Raptor does not pass overridden make variables into its makefiles
/*
* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <elfdefs.h>
#define ADDR(rtype, p, o) (rtype *)(((char *)p) + o)
void croak(char * s)
{
printf("GETDIRECTIVE ERROR: %s\n", s);
exit(EXIT_FAILURE);
}
void croak2(char * s1, char * s2)
{
printf("GETDIRECTIVE ERROR: %s %s\n", s1, s2);
exit(EXIT_FAILURE);
}
int GetFileSize(FILE * f, char * file)
{
int r = fseek(f, 0, SEEK_END);
if (r) croak2("can't seek to end of file:", file);
r = ftell(f);
rewind(f);
return r;
}
void EnsureElf(Elf32_Ehdr* ef)
{
// Do nothing for now
(void)ef;
}
Elf32_Ehdr* OpenElfFile (char* file)
{
Elf32_Ehdr* eh;
FILE* f = fopen(file, "rb");
if (!f)
croak2("can't open file:", file);
int fsize = GetFileSize(f, file);
eh = (Elf32_Ehdr*)malloc(fsize);
if (!eh)
croak("Out of memory");
if (fread(eh, fsize, 1, f) != 1)
croak2("Can't read file", file);
EnsureElf(eh);
return eh;
}
void PrintDirectiveSections (Elf32_Ehdr * eh)
{
int shoff = eh->e_shoff; // offset of section header table
if (shoff) {
Elf32_Shdr * shdr = ADDR(Elf32_Shdr, eh, shoff);
int shnum = eh->e_shnum; // number of section headers
// e_shnum will be 0 if the number of sections is >= SHN_LORESERVE (0xff00)
// If this is the case, sh_size contains the actual number of section headers.
// If sh_size is 0, there really aren't any section headers.
if (!shnum)
shnum = shdr->sh_size;
int shstrndx = eh->e_shstrndx;
// If the section name string table index is >= SHN_LORESERVE (0xff00), shstrndx
// contains SHN_XINDEX (0xffff).
// If this is the case, sh_link contains the actual index of the section name string
// table, otherwise sh_link is 0.
if (shstrndx >= 65535)
shstrndx = shdr->sh_link;
int snameoffset = shdr[shstrndx].sh_offset; // offset in file of sections' names
char * sname = ADDR(char, eh, snameoffset);
for (int i = 0; i < shnum; i++) {
if (i != shstrndx) {
if (!strcmp(".directive", &sname[shdr[i].sh_name])) {
// we're in business. print the section to stdout
char * data = ADDR(char, eh, shdr[i].sh_offset);
int size = shdr[i].sh_size;
fwrite(data, size, 1, stdout);
printf("\n");
}
}
}
}
}
int main(int argc, char** argv)
{
(void)argc;
char* file = argv[1];
PrintDirectiveSections(OpenElfFile(file));
return EXIT_SUCCESS;
}