*/
struct elf_resolve *_dl_load_elf_shared_library(int secure,
- struct dyn_elf **rpnt, char *libname)
+ struct dyn_elf **rpnt, const char *libname)
{
ElfW(Ehdr) *epnt;
unsigned long dynamic_addr = 0;
size_t relro_size = 0;
struct stat st;
uint32_t *p32;
- DL_LOADADDR_TYPE lib_loadaddr;
+ DL_LOADADDR_TYPE lib_loadaddr = 0;
DL_INIT_LOADADDR_EXTRA_DECLS
libaddr = 0;
return NULL;
}
- if ((epnt->e_type != ET_DYN) || (epnt->e_machine != MAGIC1
+ if ((epnt->e_type != ET_DYN
+#ifdef __LDSO_STANDALONE_SUPPORT__
+ && epnt->e_type != ET_EXEC
+#endif
+ ) || (epnt->e_machine != MAGIC1
#ifdef MAGIC2
&& epnt->e_machine != MAGIC2
#endif
- ))
+ ))
{
_dl_internal_error_number =
(epnt->e_type != ET_DYN ? LD_ERROR_NOTDYN : LD_ERROR_NOTMAGIC);
if (ppnt->p_type == PT_LOAD) {
/* See if this is a PIC library. */
- if (i == 0 && ppnt->p_vaddr > 0x1000000) {
+ if (minvma == 0xffffffff && ppnt->p_vaddr > 0x1000000) {
piclib = 0;
minvma = ppnt->p_vaddr;
}
ppnt++;
}
+#ifdef __LDSO_STANDALONE_SUPPORT__
+ if (epnt->e_type == ET_EXEC)
+ piclib = 0;
+#endif
+
DL_CHECK_LIB_TYPE (epnt, piclib, _dl_progname, libname);
maxvma = (maxvma + ADDR_ALIGN) & PAGE_ALIGN;
minvma = minvma & ~ADDR_ALIGN;
flags = MAP_PRIVATE /*| MAP_DENYWRITE */ ;
- if (!piclib)
- flags |= MAP_FIXED;
if (piclib == 0 || piclib == 1) {
status = (char *) _dl_mmap((char *) (piclib ? 0 : minvma),
/* Get the memory to store the library */
ppnt = (ElfW(Phdr) *)(intptr_t) & header[epnt->e_phoff];
- DL_INIT_LOADADDR(lib_loadaddr, libaddr, ppnt, epnt->e_phnum);
+ DL_INIT_LOADADDR(lib_loadaddr, libaddr - minvma, ppnt, epnt->e_phnum);
for (i = 0; i < epnt->e_phnum; i++) {
if (DL_IS_SPECIAL_SEGMENT (epnt, ppnt)) {
char *tryaddr;
ssize_t size;
- /* See if this is a PIC library. */
- if (i == 0 && ppnt->p_vaddr > 0x1000000) {
- piclib = 0;
- /* flags |= MAP_FIXED; */
- }
-
if (ppnt->p_flags & PF_W) {
unsigned long map_size;
char *cpnt;
}
tryaddr = piclib == 2 ? piclib2map
- : ((char*) (piclib ? libaddr : 0) +
+ : ((char*) (piclib ? libaddr : lib_loadaddr) +
(ppnt->p_vaddr & PAGE_ALIGN));
size = (ppnt->p_vaddr & ADDR_ALIGN)
if (map_size < ppnt->p_vaddr + ppnt->p_memsz
&& !piclib2map) {
- tryaddr = map_size + (char*)(piclib ? libaddr : 0);
+ tryaddr = map_size + (char*)(piclib ? libaddr : lib_loadaddr);
status = (char *) _dl_mmap(tryaddr,
ppnt->p_vaddr + ppnt->p_memsz - map_size,
LXFLAGS(ppnt->p_flags), flags | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
} else {
tryaddr = (piclib == 2 ? 0
: (char *) (ppnt->p_vaddr & PAGE_ALIGN)
- + (piclib ? libaddr : 0));
+ + (piclib ? libaddr : lib_loadaddr));
size = (ppnt->p_vaddr & ADDR_ALIGN) + ppnt->p_filesz;
status = (char *) _dl_mmap
(tryaddr, size, LXFLAGS(ppnt->p_flags),
}
_dl_close(infile);
- /* For a non-PIC library, the addresses are all absolute */
- if (piclib) {
+ /*
+ * The dynamic_addr must be take into acount lib_loadaddr value, to note
+ * it is zero when the SO has been mapped to the elf's physical addr
+ */
+ if (lib_loadaddr) {
dynamic_addr = (unsigned long) DL_RELOC_ADDR(lib_loadaddr, dynamic_addr);
}
ppnt = (ElfW(Phdr) *)(intptr_t) & header[epnt->e_phoff];
for (i = 0; i < epnt->e_phnum; i++, ppnt++) {
if (ppnt->p_type == PT_LOAD && !(ppnt->p_flags & PF_W)) {
- _dl_mprotect((void *) ((piclib ? libaddr : 0) +
+ _dl_mprotect((void *) ((piclib ? libaddr : lib_loadaddr) +
(ppnt->p_vaddr & PAGE_ALIGN)),
(ppnt->p_vaddr & ADDR_ALIGN) + (unsigned long) ppnt->p_filesz,
PROT_READ | PROT_WRITE | PROT_EXEC);
tpnt = _dl_add_elf_hash_table(libname, lib_loadaddr, dynamic_info,
dynamic_addr, 0);
+ tpnt->mapaddr = libaddr;
tpnt->relro_addr = relro_addr;
tpnt->relro_size = relro_size;
tpnt->st_dev = st.st_dev;
tpnt->st_ino = st.st_ino;
- tpnt->ppnt = (ElfW(Phdr) *) DL_RELOC_ADDR(tpnt->loadaddr, epnt->e_phoff);
+ tpnt->ppnt = (ElfW(Phdr) *) DL_RELOC_ADDR(tpnt->mapaddr, epnt->e_phoff);
tpnt->n_phent = epnt->e_phnum;
tpnt->rtld_flags |= rtld_flags;
+#ifdef __LDSO_STANDALONE_SUPPORT__
+ tpnt->l_entry = epnt->e_entry;
+#endif
#if defined(USE_TLS) && USE_TLS
if (tlsppnt) {
tpnt->l_tls_modid = _dl_next_tls_modid ();
/* We know the load address, so add it to the offset. */
+#ifdef __LDSO_STANDALONE_SUPPORT__
+ if ((tpnt->l_tls_initimage != NULL) && piclib)
+#else
if (tpnt->l_tls_initimage != NULL)
+#endif
{
# ifdef __SUPPORT_LD_DEBUG_EARLY__
unsigned int tmp = (unsigned int) tpnt->l_tls_initimage;
/*
* Add this object into the symbol chain
*/
- if (*rpnt) {
+ if (*rpnt
+#ifdef __LDSO_STANDALONE_SUPPORT__
+ /* Do not create a new chain entry for the main executable */
+ && (*rpnt)->dyn
+#endif
+ ) {
(*rpnt)->next = _dl_malloc(sizeof(struct dyn_elf));
_dl_memset((*rpnt)->next, 0, sizeof(struct dyn_elf));
(*rpnt)->next->prev = (*rpnt);
}
#endif
(*rpnt)->dyn = tpnt;
- tpnt->symbol_scope = _dl_symbol_tables;
tpnt->usage_count++;
+#ifdef __LDSO_STANDALONE_SUPPORT__
+ tpnt->libtype = (epnt->e_type == ET_DYN) ? elf_lib : elf_executable;
+#else
tpnt->libtype = elf_lib;
+#endif
/*
* OK, the next thing we need to do is to insert the dynamic linker into
}
/* now_flag must be RTLD_NOW or zero */
-int _dl_fixup(struct dyn_elf *rpnt, int now_flag)
+int _dl_fixup(struct dyn_elf *rpnt, struct r_scope_elem *scope, int now_flag)
{
int goof = 0;
struct elf_resolve *tpnt;
ElfW(Addr) reloc_addr;
if (rpnt->next)
- goof = _dl_fixup(rpnt->next, now_flag);
+ goof = _dl_fixup(rpnt->next, scope, now_flag);
if (goof)
return goof;
tpnt = rpnt->dyn;
relative_count = tpnt->dynamic_info[DT_RELCONT_IDX];
if (relative_count) { /* Optimize the XX_RELATIVE relocations if possible */
reloc_size -= relative_count * sizeof(ELF_RELOC);
- elf_machine_relative(tpnt->loadaddr, reloc_addr, relative_count);
+ if (tpnt->loadaddr
+#ifdef __LDSO_PRELINK_SUPPORT__
+ || (!tpnt->dynamic_info[DT_GNU_PRELINKED_IDX])
+#endif
+ )
+ elf_machine_relative(tpnt->loadaddr, reloc_addr, relative_count);
reloc_addr += relative_count * sizeof(ELF_RELOC);
}
- goof += _dl_parse_relocation_information(rpnt,
+ goof += _dl_parse_relocation_information(rpnt, scope,
reloc_addr,
reloc_size);
tpnt->init_flag |= RELOCS_DONE;
tpnt->dynamic_info[DT_JMPREL],
tpnt->dynamic_info [DT_PLTRELSZ]);
} else {
- goof += _dl_parse_relocation_information(rpnt,
+ goof += _dl_parse_relocation_information(rpnt, scope,
tpnt->dynamic_info[DT_JMPREL],
tpnt->dynamic_info[DT_PLTRELSZ]);
}
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