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#include <stdio.h>
#include <libelf.h>
#include <gelf.h>
#include <libelfu/libelfu.h>
void elfu_copySection(Elf *eo, Elf_Scn *scn)
{
Elf_Scn *scnOut;
Elf_Data *data;
GElf_Shdr shdr, shdrOut;
scnOut = elf_newscn(eo);
if (!scnOut) {
fprintf(stderr, "elf_newscn() failed: %s\n", elf_errmsg(-1));
return;
}
if (gelf_getshdr(scn, &shdr) != &shdr) {
fprintf(stderr, "gelf_getshdr() failed: %s\n", elf_errmsg(-1));
}
/* Copy section header */
if (gelf_getshdr(scnOut, &shdrOut) != &shdrOut) {
fprintf(stderr, "gelf_getshdr() failed: %s\n", elf_errmsg(-1));
}
shdrOut.sh_name = shdr.sh_name;
shdrOut.sh_type = shdr.sh_type;
shdrOut.sh_flags = shdr.sh_flags;
shdrOut.sh_addr = shdr.sh_addr;
/* sh_offset */
/* sh_size */
shdrOut.sh_link = shdr.sh_link;
shdrOut.sh_info = shdr.sh_info;
shdrOut.sh_addralign = shdr.sh_addralign;
shdrOut.sh_entsize = shdr.sh_entsize;
if (!gelf_update_shdr(scnOut, &shdrOut)) {
fprintf(stderr, "gelf_update_shdr() failed: %s\n", elf_errmsg(-1));
}
//elf_flagshdr(scnOut, ELF_C_SET, ELF_F_DIRTY);
//elf_flagscn(scnOut, ELF_C_SET, ELF_F_DIRTY);
/* Copy each data part in source segment */
data = elf_rawdata(scn, NULL);
while (data) {
Elf_Data *dataOut = elf_newdata(scnOut);
if (!dataOut) {
fprintf(stderr, "elf_newdata() failed: %s\n", elf_errmsg(-1));
}
//dataOut->d_align = data->d_align;
dataOut->d_align = shdr.sh_addralign;
dataOut->d_buf = data->d_buf;
/* dataOut->d_off = data->d_off; */
dataOut->d_type = data->d_type;
dataOut->d_size = data->d_size;
dataOut->d_version = data->d_version;
//elf_flagdata(dataOut, ELF_C_SET, ELF_F_DIRTY);
data = elf_rawdata(scn, data);
}
// ehf_newdata() should flag the entire section dirty
//elf_flagshdr(scnOut, ELF_C_SET, ELF_F_DIRTY);
//elf_flagscn(scnOut, ELF_C_SET, ELF_F_DIRTY);
}
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