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#include <stdio.h>
#include <libelf/libelf.h>
#include <libelf/gelf.h>
#include <libelfu/libelfu.h>
static char *ptstr[] = {"NULL", "LOAD", "DYNAMIC", "INTERP", "NOTE", "SHLIB", "PHDR", "TLS", "NUM"};
char* segmentTypeStr(size_t pt)
{
if (pt >= 0 && pt <= PT_NUM) {
return ptstr[pt];
}
return "-?-";
}
void printSectionsInSegment(Elf *e, GElf_Phdr *phdr)
{
Elf_Scn *scn;
scn = elf_getscn(e, 0);
while (scn) {
GElf_Shdr shdr;
if (gelf_getshdr(scn, &shdr) != &shdr) {
fprintf(stderr, "gelf_getshdr() failed: %s\n", elf_errmsg(-1));
continue;
}
if (elfu_ePhdrContainsScn(phdr, &shdr)) {
printf(" %10u %s\n", elf_ndxscn(scn), elfu_eScnName(e, scn));
}
scn = elf_nextscn(e, scn);
}
}
void printSegments(Elf *e)
{
size_t i, n;
if (elf_getphdrnum(e, &n)) {
fprintf(stderr, "elf_getphdrnum() failed: %s.", elf_errmsg(-1));
}
printf("Segments:\n");
printf(" # typeStr type offset vaddr paddr filesz memsz flags align\n");
for (i = 0; i < n; i++) {
GElf_Phdr phdr;
if (gelf_getphdr(e, i, &phdr) != &phdr) {
fprintf(stderr, "getphdr() failed for #%d: %s.", i, elf_errmsg(-1));
continue;
}
printf(" * %4d: %8s ", i, segmentTypeStr(phdr.p_type));
printf("%8jx %8jx %8jx %8jx %8jx %8jx %8jx %8jx\n",
(uintmax_t) phdr.p_type,
(uintmax_t) phdr.p_offset,
(uintmax_t) phdr.p_vaddr,
(uintmax_t) phdr.p_paddr,
(uintmax_t) phdr.p_filesz,
(uintmax_t) phdr.p_memsz,
(uintmax_t) phdr.p_flags,
(uintmax_t) phdr.p_align);
printSectionsInSegment(e, &phdr);
}
printf("\n");
}
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