void
dump_obj_relocations (Obj_Entry *obj)
{
rtld_printf("Object \"%s\", relocbase %p\n", obj->path, obj->relocbase);
if (obj->relsize) {
rtld_printf("Non-PLT Relocations: %ld\n",
(obj->relsize / sizeof(Elf_Rel)));
dump_Elf_Rel(obj, obj->rel, obj->relsize);
}
if (obj->relasize) {
rtld_printf("Non-PLT Relocations with Addend: %ld\n",
(obj->relasize / sizeof(Elf_Rela)));
dump_Elf_Rela(obj, obj->rela, obj->relasize);
}
if (obj->pltrelsize) {
rtld_printf("PLT Relocations: %ld\n",
(obj->pltrelsize / sizeof(Elf_Rel)));
dump_Elf_Rel(obj, obj->pltrel, obj->pltrelsize);
}
if (obj->pltrelasize) {
rtld_printf("PLT Relocations with Addend: %ld\n",
(obj->pltrelasize / sizeof(Elf_Rela)));
dump_Elf_Rela(obj, obj->pltrela, obj->pltrelasize);
}
}
static int
morepages(int n)
{
int fd = -1;
int offset;
if (pagepool_end - pagepool_start > pagesz) {
caddr_t addr = (caddr_t)
(((long)pagepool_start + pagesz - 1) & ~(pagesz - 1));
if (munmap(addr, pagepool_end - addr) != 0)
rtld_fdprintf(STDERR_FILENO, "morepages: munmap %p",
addr);
}
offset = (long)pagepool_start - ((long)pagepool_start & ~(pagesz - 1));
if ((pagepool_start = mmap(0, n * pagesz,
PROT_READ|PROT_WRITE,
MAP_ANON|MAP_COPY, fd, 0)) == (caddr_t)-1) {
rtld_printf("Cannot map anonymous memory\n");
return 0;
}
pagepool_end = pagepool_start + n * pagesz;
pagepool_start += offset;
return n;
}
void
dump_Elf_Rela (Obj_Entry *obj, const Elf_Rela *rela0, u_long relasize)
{
const Elf_Rela *rela;
const Elf_Rela *relalim;
const Elf_Sym *sym;
Elf_Addr *dstaddr;
rtld_putstr(rel_header);
relalim = (const Elf_Rela *)((const char *)rela0 + relasize);
for (rela = rela0; rela < relalim; rela++) {
dstaddr = (Elf_Addr *)(obj->relocbase + rela->r_offset);
sym = obj->symtab + ELF_R_SYM(rela->r_info);
rtld_printf(rel_format,
obj->strtab + sym->st_name,
(u_long)rela->r_info, (u_long)rela->r_offset,
(u_long)sym->st_value, (int)sym->st_size,
dstaddr, (u_long)*dstaddr);
}
return;
}