void
tcElf_tpElfMSB(void)
{
int fd;
Elf *e;
TS_PHDR *ph;
TP_CHECK_INITIALIZATION();
tet_infoline("assertion:" TS_ICNAME "(E) returns the correct MSB phdr.");
TS_OPEN_FILE(e,"phdr.msb" __XSTRING(TS_PHDRSZ),ELF_C_READ,fd);
if ((ph = TS_ICFUNC(e)) == NULL) {
tet_infoline("fail: " TS_ICNAME "() failed.");
tet_result(TET_FAIL);
return;
}
tet_result(check_phdr(ph));
(void) elf_end(e);
(void) close(fd);
}
/*
* Dump crash to file
*/
static int write_elf(Elf32_Ehdr *elfhdr_addr, int fd)
{
Elf32_Ehdr *oldhdr = elfhdr_addr;
Elf32_Ehdr *ehdr;
Elf32_Phdr *phdr;
u32 i;
u32 offset;
u32 tot;
u32 phdr_cnt;
u32 notes_cnt = 0;
u32 save;
u32 len;
offset = oldhdr->e_ehsize + oldhdr->e_phentsize * oldhdr->e_phnum;
ehdr = (Elf32_Ehdr *) malloc(offset);
if (ehdr == NULL) {
debug("elf header alloc error\n");
return -1;
}
memcpy(ehdr, oldhdr, offset);
/*
* check program header entries and update length
* for merged PT_NOTE segments
*/
tot = 0;
phdr_cnt = ehdr->e_phnum;
debug("phdr_cnt=%d\n", phdr_cnt);
for (i = 0; i < phdr_cnt; i++) {
phdr = (Elf32_Phdr *) ((char *) ehdr + ehdr->e_ehsize +
i * ehdr->e_phentsize);
len = check_phdr(phdr);
debug("prog hdr %d: %x ad %x len %x adjusted to %x\n",
i, (u32) phdr, phdr->p_paddr, phdr->p_filesz, len);
phdr->p_filesz = len;
phdr->p_memsz = len;
if (phdr->p_type == PT_NOTE) { /* note segment */
tot += len;
notes_cnt++;
}
}
debug("Length of %d note segments: %x\n", notes_cnt, tot);
/*
* all PT_NOTE segments have been merged into one.
* Update ELF Header accordingly
*/
ehdr->e_phnum = phdr_cnt - notes_cnt + 1;
/* write elf header into file on sdcard */
if (write_chunk(fd, ehdr, (size_t) ehdr->e_ehsize)) {
free(ehdr);
return -1;
}
/* write program headers into file on sdcard */
offset = ehdr->e_ehsize + ehdr->e_phentsize * ehdr->e_phnum;
debug("Write Phdr: proghdr_cnt=%d\n", phdr_cnt);
for (i = 0; i < phdr_cnt; i++) {
phdr = (Elf32_Phdr *) ((char *)ehdr + ehdr->e_ehsize +
i * ehdr->e_phentsize);
save = phdr->p_filesz;
if (i == 0) {
phdr->p_filesz = tot;
phdr->p_memsz = tot;
} else if (phdr->p_type == PT_NOTE) /* note segment */
continue;
phdr->p_offset = offset;
debug("prog hdr %d: %x ad %x len %x off %x\n",
i, (u32) phdr, phdr->p_paddr, phdr->p_filesz,
phdr->p_offset);
offset += phdr->p_filesz;
if (write_chunk(fd, (void *) phdr, (size_t)
ehdr->e_phentsize)) {
free(ehdr);
return -1;
}
phdr->p_filesz = save;
phdr->p_memsz = save;
}
/* write segments into file on sdcard */
debug("write segments...\n");
for (i = 0; i < phdr_cnt; i++) {
phdr = (Elf32_Phdr *) ((char *) ehdr + ehdr->e_ehsize +
i * ehdr->e_phentsize);
if (phdr->p_type > PT_NULL) {
if (write_big_chunk(fd, (void *) phdr->p_paddr,
phdr->p_filesz)) {
free(ehdr);
return -1;
}
}
}
free(ehdr);
return 0;
}
