Show First 20 Lines • Show All 72 Lines • ▼ Show 20 Lines
/* Types. */		/* Types. */
typedef void (*func_ptr_type)();		typedef void (*func_ptr_type)();
typedef void * (path_enum_proc) (const char path, size_t len, void *arg);		typedef void * (path_enum_proc) (const char path, size_t len, void *arg);

/*		/*
* Function declarations.		* Function declarations.
*/		*/
static const char basename(const char );		static const char basename(const char );
static void die(void) __dead2;
static void digest_dynamic1(Obj_Entry , int, const Elf_Dyn *,		static void digest_dynamic1(Obj_Entry , int, const Elf_Dyn *,
const Elf_Dyn , const Elf_Dyn );		const Elf_Dyn , const Elf_Dyn );
static void digest_dynamic2(Obj_Entry , const Elf_Dyn , const Elf_Dyn *,		static void digest_dynamic2(Obj_Entry , const Elf_Dyn , const Elf_Dyn *,
const Elf_Dyn *);		const Elf_Dyn *);
static void digest_dynamic(Obj_Entry *, int);		static void digest_dynamic(Obj_Entry *, int);
static Obj_Entry digest_phdr(const Elf_Phdr , int, caddr_t, const char *);		static Obj_Entry digest_phdr(const Elf_Phdr , int, caddr_t, const char *);
static Obj_Entry dlcheck(void );		static Obj_Entry dlcheck(void );
static Obj_Entry dlopen_object(const char name, int fd, Obj_Entry *refobj,		static Obj_Entry dlopen_object(const char name, int fd, Obj_Entry *refobj,
▲ Show 20 Lines • Show All 335 Lines • ▼ Show 20 Lines	if (sysctl(mib, 2, __stack_chk_guard, &len, NULL, 0) == -1 \|\|
*/		*/
if (!trust) {		if (!trust) {
if (unsetenv(LD_ "PRELOAD") \|\| unsetenv(LD_ "LIBMAP") \|\|		if (unsetenv(LD_ "PRELOAD") \|\| unsetenv(LD_ "LIBMAP") \|\|
unsetenv(LD_ "LIBRARY_PATH") \|\| unsetenv(LD_ "LIBRARY_PATH_FDS") \|\|		unsetenv(LD_ "LIBRARY_PATH") \|\| unsetenv(LD_ "LIBRARY_PATH_FDS") \|\|
unsetenv(LD_ "LIBMAP_DISABLE") \|\|		unsetenv(LD_ "LIBMAP_DISABLE") \|\|
unsetenv(LD_ "DEBUG") \|\| unsetenv(LD_ "ELF_HINTS_PATH") \|\|		unsetenv(LD_ "DEBUG") \|\| unsetenv(LD_ "ELF_HINTS_PATH") \|\|
unsetenv(LD_ "LOADFLTR") \|\| unsetenv(LD_ "LIBRARY_PATH_RPATH")) {		unsetenv(LD_ "LOADFLTR") \|\| unsetenv(LD_ "LIBRARY_PATH_RPATH")) {
_rtld_error("environment corrupt; aborting");		_rtld_error("environment corrupt; aborting");
die();		_rtld_die();
}		}
}		}
ld_debug = getenv(LD_ "DEBUG");		ld_debug = getenv(LD_ "DEBUG");
libmap_disable = getenv(LD_ "LIBMAP_DISABLE") != NULL;		libmap_disable = getenv(LD_ "LIBMAP_DISABLE") != NULL;
libmap_override = getenv(LD_ "LIBMAP");		libmap_override = getenv(LD_ "LIBMAP");
ld_library_path = getenv(LD_ "LIBRARY_PATH");		ld_library_path = getenv(LD_ "LIBRARY_PATH");
ld_library_dirs = getenv(LD_ "LIBRARY_PATH_FDS");		ld_library_dirs = getenv(LD_ "LIBRARY_PATH_FDS");
ld_preload = getenv(LD_ "PRELOAD");		ld_preload = getenv(LD_ "PRELOAD");
Show All 32 Lines	(caddr_t) aux_info[AT_BASE]->a_un.a_ptr);
* already loaded.		* already loaded.
*/		*/
if (aux_info[AT_EXECFD] != NULL) { /* Load the main program. */		if (aux_info[AT_EXECFD] != NULL) { /* Load the main program. */
int fd = aux_info[AT_EXECFD]->a_un.a_val;		int fd = aux_info[AT_EXECFD]->a_un.a_val;
dbg("loading main program");		dbg("loading main program");
obj_main = map_object(fd, argv0, NULL);		obj_main = map_object(fd, argv0, NULL);
close(fd);		close(fd);
if (obj_main == NULL)		if (obj_main == NULL)
die();		_rtld_die();
max_stack_flags = obj->stack_flags;		max_stack_flags = obj->stack_flags;
} else { /* Main program already loaded. */		} else { /* Main program already loaded. */
const Elf_Phdr *phdr;		const Elf_Phdr *phdr;
int phnum;		int phnum;
caddr_t entry;		caddr_t entry;

dbg("processing main program's program header");		dbg("processing main program's program header");
assert(aux_info[AT_PHDR] != NULL);		assert(aux_info[AT_PHDR] != NULL);
phdr = (const Elf_Phdr *) aux_info[AT_PHDR]->a_un.a_ptr;		phdr = (const Elf_Phdr *) aux_info[AT_PHDR]->a_un.a_ptr;
assert(aux_info[AT_PHNUM] != NULL);		assert(aux_info[AT_PHNUM] != NULL);
phnum = aux_info[AT_PHNUM]->a_un.a_val;		phnum = aux_info[AT_PHNUM]->a_un.a_val;
assert(aux_info[AT_PHENT] != NULL);		assert(aux_info[AT_PHENT] != NULL);
assert(aux_info[AT_PHENT]->a_un.a_val == sizeof(Elf_Phdr));		assert(aux_info[AT_PHENT]->a_un.a_val == sizeof(Elf_Phdr));
assert(aux_info[AT_ENTRY] != NULL);		assert(aux_info[AT_ENTRY] != NULL);
entry = (caddr_t) aux_info[AT_ENTRY]->a_un.a_ptr;		entry = (caddr_t) aux_info[AT_ENTRY]->a_un.a_ptr;
if ((obj_main = digest_phdr(phdr, phnum, entry, argv0)) == NULL)		if ((obj_main = digest_phdr(phdr, phnum, entry, argv0)) == NULL)
die();		_rtld_die();
}		}

if (aux_info[AT_EXECPATH] != 0) {		if (aux_info[AT_EXECPATH] != 0) {
char *kexecpath;		char *kexecpath;
char buf[MAXPATHLEN];		char buf[MAXPATHLEN];

kexecpath = aux_info[AT_EXECPATH]->a_un.a_ptr;		kexecpath = aux_info[AT_EXECPATH]->a_un.a_ptr;
dbg("AT_EXECPATH %p %s", kexecpath, kexecpath);		dbg("AT_EXECPATH %p %s", kexecpath, kexecpath);
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	obj_main->dynsymcount);
sym_zero.st_shndx = SHN_UNDEF;		sym_zero.st_shndx = SHN_UNDEF;
sym_zero.st_value = -(uintptr_t)obj_main->relocbase;		sym_zero.st_value = -(uintptr_t)obj_main->relocbase;

if (!libmap_disable)		if (!libmap_disable)
libmap_disable = (bool)lm_init(libmap_override);		libmap_disable = (bool)lm_init(libmap_override);

dbg("loading LD_PRELOAD libraries");		dbg("loading LD_PRELOAD libraries");
if (load_preload_objects() == -1)		if (load_preload_objects() == -1)
die();		_rtld_die();
preload_tail = obj_tail;		preload_tail = obj_tail;

dbg("loading needed objects");		dbg("loading needed objects");
if (load_needed_objects(obj_main, 0) == -1)		if (load_needed_objects(obj_main, 0) == -1)
die();		_rtld_die();

/* Make a list of all objects loaded at startup. */		/* Make a list of all objects loaded at startup. */
last_interposer = obj_main;		last_interposer = obj_main;
for (obj = obj_list; obj != NULL; obj = obj->next) {		for (obj = obj_list; obj != NULL; obj = obj->next) {
if (obj->z_interpose && obj != obj_main) {		if (obj->z_interpose && obj != obj_main) {
objlist_put_after(&list_main, last_interposer, obj);		objlist_put_after(&list_main, last_interposer, obj);
last_interposer = obj;		last_interposer = obj;
} else {		} else {
objlist_push_tail(&list_main, obj);		objlist_push_tail(&list_main, obj);
}		}
obj->refcount++;		obj->refcount++;
}		}

dbg("checking for required versions");		dbg("checking for required versions");
if (rtld_verify_versions(&list_main) == -1 && !ld_tracing)		if (rtld_verify_versions(&list_main) == -1 && !ld_tracing)
die();		_rtld_die();

if (ld_tracing) { /* We're done */		if (ld_tracing) { /* We're done */
trace_loaded_objects(obj_main);		trace_loaded_objects(obj_main);
exit(0);		exit(0);
}		}

if (getenv(LD_ "DUMP_REL_PRE") != NULL) {		if (getenv(LD_ "DUMP_REL_PRE") != NULL) {
dump_relocations(obj_main);		dump_relocations(obj_main);
Show All 12 Lines	#endif
* block even if they didn't ask for it.		* block even if they didn't ask for it.
*/		*/
allocate_tls_offset(entry->obj);		allocate_tls_offset(entry->obj);
}		}

if (relocate_objects(obj_main,		if (relocate_objects(obj_main,
ld_bind_now != NULL && *ld_bind_now != '\0',		ld_bind_now != NULL && *ld_bind_now != '\0',
&obj_rtld, SYMLOOK_EARLY, NULL) == -1)		&obj_rtld, SYMLOOK_EARLY, NULL) == -1)
die();		_rtld_die();

dbg("doing copy relocations");		dbg("doing copy relocations");
if (do_copy_relocations(obj_main) == -1)		if (do_copy_relocations(obj_main) == -1)
die();		_rtld_die();

if (getenv(LD_ "DUMP_REL_POST") != NULL) {		if (getenv(LD_ "DUMP_REL_POST") != NULL) {
dump_relocations(obj_main);		dump_relocations(obj_main);
exit (0);		exit (0);
}		}

/*		/*
* Setup TLS for main thread. This must be done after the		* Setup TLS for main thread. This must be done after the
Show All 15 Lines	_rtld_die();
r_debug_state(NULL, &obj_main->linkmap); /* say hello to gdb! */		r_debug_state(NULL, &obj_main->linkmap); /* say hello to gdb! */

map_stacks_exec(NULL);		map_stacks_exec(NULL);

dbg("resolving ifuncs");		dbg("resolving ifuncs");
if (resolve_objects_ifunc(obj_main,		if (resolve_objects_ifunc(obj_main,
ld_bind_now != NULL && *ld_bind_now != '\0', SYMLOOK_EARLY,		ld_bind_now != NULL && *ld_bind_now != '\0', SYMLOOK_EARLY,
NULL) == -1)		NULL) == -1)
die();		_rtld_die();

if (!obj_main->crt_no_init) {		if (!obj_main->crt_no_init) {
/*		/*
* Make sure we don't call the main program's init and fini		* Make sure we don't call the main program's init and fini
* functions for binaries linked with old crt1 which calls		* functions for binaries linked with old crt1 which calls
* _init itself.		* _init itself.
*/		*/
obj_main->init = obj_main->fini = (Elf_Addr)NULL;		obj_main->init = obj_main->fini = (Elf_Addr)NULL;
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	_rtld_bind(Obj_Entry *obj, Elf_Size reloff)
rel = (const Elf_Rel *) ((caddr_t) obj->pltrel + reloff);		rel = (const Elf_Rel *) ((caddr_t) obj->pltrel + reloff);
else		else
rel = (const Elf_Rel *) ((caddr_t) obj->pltrela + reloff);		rel = (const Elf_Rel *) ((caddr_t) obj->pltrela + reloff);

where = (Elf_Addr *) (obj->relocbase + rel->r_offset);		where = (Elf_Addr *) (obj->relocbase + rel->r_offset);
def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, true, NULL,		def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj, true, NULL,
&lockstate);		&lockstate);
if (def == NULL)		if (def == NULL)
die();		_rtld_die();
if (ELF_ST_TYPE(def->st_info) == STT_GNU_IFUNC)		if (ELF_ST_TYPE(def->st_info) == STT_GNU_IFUNC)
target = (Elf_Addr)rtld_resolve_ifunc(defobj, def);		target = (Elf_Addr)rtld_resolve_ifunc(defobj, def);
else		else
target = (Elf_Addr)(defobj->relocbase + def->st_value);		target = (Elf_Addr)(defobj->relocbase + def->st_value);

dbg("\"%s\" in \"%s\" ==> %p in \"%s\"",		dbg("\"%s\" in \"%s\" ==> %p in \"%s\"",
defobj->strtab + def->st_name, basename(obj->path),		defobj->strtab + def->st_name, basename(obj->path),
(void *)target, basename(defobj->path));		(void *)target, basename(defobj->path));
▲ Show 20 Lines • Show All 132 Lines • ▼ Show 20 Lines	origin_subst(char real, const char origin_path)
}		}
res1 = origin_subst_one(real, "$ORIGIN", origin_path, false);		res1 = origin_subst_one(real, "$ORIGIN", origin_path, false);
res2 = origin_subst_one(res1, "$OSNAME", uts.sysname, true);		res2 = origin_subst_one(res1, "$OSNAME", uts.sysname, true);
res3 = origin_subst_one(res2, "$OSREL", uts.release, true);		res3 = origin_subst_one(res2, "$OSREL", uts.release, true);
res4 = origin_subst_one(res3, "$PLATFORM", uts.machine, true);		res4 = origin_subst_one(res3, "$PLATFORM", uts.machine, true);
return (res4);		return (res4);
}		}

static void		void
die(void)		_rtld_die(void)
{		{
const char *msg = dlerror();		const char *msg = dlerror();

if (msg == NULL)		if (msg == NULL)
msg = "Fatal error";		msg = "Fatal error";
rtld_fdputstr(STDERR_FILENO, msg);		rtld_fdputstr(STDERR_FILENO, msg);
rtld_fdputchar(STDERR_FILENO, '\n');		rtld_fdputchar(STDERR_FILENO, '\n');
_exit(1);		_exit(1);
▲ Show 20 Lines • Show All 333 Lines • ▼ Show 20 Lines
static void		static void
digest_dynamic2(Obj_Entry obj, const Elf_Dyn dyn_rpath,		digest_dynamic2(Obj_Entry obj, const Elf_Dyn dyn_rpath,
const Elf_Dyn dyn_soname, const Elf_Dyn dyn_runpath)		const Elf_Dyn dyn_soname, const Elf_Dyn dyn_runpath)
{		{

if (obj->z_origin && obj->origin_path == NULL) {		if (obj->z_origin && obj->origin_path == NULL) {
obj->origin_path = xmalloc(PATH_MAX);		obj->origin_path = xmalloc(PATH_MAX);
if (rtld_dirname_abs(obj->path, obj->origin_path) == -1)		if (rtld_dirname_abs(obj->path, obj->origin_path) == -1)
die();		_rtld_die();
}		}

if (dyn_runpath != NULL) {		if (dyn_runpath != NULL) {
obj->runpath = (char *)obj->strtab + dyn_runpath->d_un.d_val;		obj->runpath = (char *)obj->strtab + dyn_runpath->d_un.d_val;
if (obj->z_origin)		if (obj->z_origin)
obj->runpath = origin_subst(obj->runpath, obj->origin_path);		obj->runpath = origin_subst(obj->runpath, obj->origin_path);
}		}
else if (dyn_rpath != NULL) {		else if (dyn_rpath != NULL) {
▲ Show 20 Lines • Show All 681 Lines • ▼ Show 20 Lines	else {
} else {		} else {
mib[0] = CTL_HW;		mib[0] = CTL_HW;
mib[1] = HW_PAGESIZE;		mib[1] = HW_PAGESIZE;
len = 2;		len = 2;
}		}
}		}
if (sysctl(mib, len, psa, &size, NULL, 0) == -1) {		if (sysctl(mib, len, psa, &size, NULL, 0) == -1) {
_rtld_error("sysctl for hw.pagesize(s) failed");		_rtld_error("sysctl for hw.pagesize(s) failed");
die();		_rtld_die();
}		}
psa_filled:		psa_filled:
pagesizes = psa;		pagesizes = psa;
}		}
npagesizes = size / sizeof(pagesizes[0]);		npagesizes = size / sizeof(pagesizes[0]);
/* Discard any invalid entries at the end of the array. */		/* Discard any invalid entries at the end of the array. */
while (npagesizes > 0 && pagesizes[npagesizes - 1] == 0)		while (npagesizes > 0 && pagesizes[npagesizes - 1] == 0)
npagesizes--;		npagesizes--;
▲ Show 20 Lines • Show All 920 Lines • ▼ Show 20 Lines	for (fdstr = strtok_r(envcopy, ":", &last_token); fdstr != NULL;
fd = __sys_openat(dirfd, name, O_RDONLY \| O_CLOEXEC);		fd = __sys_openat(dirfd, name, O_RDONLY \| O_CLOEXEC);
if (fd >= 0) {		if (fd >= 0) {
*fdp = fd;		*fdp = fd;
len = strlen(fdstr) + strlen(name) + 3;		len = strlen(fdstr) + strlen(name) + 3;
found = xmalloc(len);		found = xmalloc(len);
if (rtld_snprintf(found, len, "#%d/%s", dirfd, name) < 0) {		if (rtld_snprintf(found, len, "#%d/%s", dirfd, name) < 0) {
_rtld_error("error generating '%d/%s'",		_rtld_error("error generating '%d/%s'",
dirfd, name);		dirfd, name);
die();		_rtld_die();
}		}
dbg("open('%s') => %d", found, fd);		dbg("open('%s') => %d", found, fd);
break;		break;
}		}
}		}
free(envcopy);		free(envcopy);

return (found);		return (found);
▲ Show 20 Lines • Show All 1,703 Lines • ▼ Show 20 Lines	allocate_module_tls(int index)
char* p;		char* p;

for (obj = obj_list; obj; obj = obj->next) {		for (obj = obj_list; obj; obj = obj->next) {
if (obj->tlsindex == index)		if (obj->tlsindex == index)
break;		break;
}		}
if (!obj) {		if (!obj) {
_rtld_error("Can't find module with TLS index %d", index);		_rtld_error("Can't find module with TLS index %d", index);
die();		_rtld_die();
}		}

p = malloc_aligned(obj->tlssize, obj->tlsalign);		p = malloc_aligned(obj->tlssize, obj->tlsalign);
memcpy(p, obj->tlsinit, obj->tlsinitsize);		memcpy(p, obj->tlsinit, obj->tlsinitsize);
memset(p + obj->tlsinitsize, 0, obj->tlssize - obj->tlsinitsize);		memset(p + obj->tlsinitsize, 0, obj->tlssize - obj->tlsinitsize);

return p;		return p;
}		}
▲ Show 20 Lines • Show All 124 Lines • ▼ Show 20 Lines	(needed->obj != NULL && object_match_name(needed->obj, name))) {
* return NULL here. This is expected and handled		* return NULL here. This is expected and handled
* properly by the caller.		* properly by the caller.
*/		*/
return (needed->obj);		return (needed->obj);
}		}
}		}
_rtld_error("%s: Unexpected inconsistency: dependency %s not found",		_rtld_error("%s: Unexpected inconsistency: dependency %s not found",
obj->path, name);		obj->path, name);
die();		_rtld_die();
}		}

static int		static int
check_object_provided_version(Obj_Entry refobj, const Obj_Entry depobj,		check_object_provided_version(Obj_Entry refobj, const Obj_Entry depobj,
const Elf_Vernaux *vna)		const Elf_Vernaux *vna)
{		{
const Elf_Verdef *vd;		const Elf_Verdef *vd;
const char *vername;		const char *vername;
▲ Show 20 Lines • Show All 320 Lines • ▼ Show 20 Lines
{		{
}		}

void		void
__stack_chk_fail(void)		__stack_chk_fail(void)
{		{

_rtld_error("stack overflow detected; terminated");		_rtld_error("stack overflow detected; terminated");
die();		_rtld_die();
}		}
__weak_reference(__stack_chk_fail, __stack_chk_fail_local);		__weak_reference(__stack_chk_fail, __stack_chk_fail_local);

void		void
__chk_fail(void)		__chk_fail(void)
{		{

_rtld_error("buffer overflow detected; terminated");		_rtld_error("buffer overflow detected; terminated");
die();		_rtld_die();
}		}

const char *		const char *
rtld_strerror(int errnum)		rtld_strerror(int errnum)
{		{

if (errnum < 0 \|\| errnum >= sys_nerr)		if (errnum < 0 \|\| errnum >= sys_nerr)
return ("Unknown error");		return ("Unknown error");
return (sys_errlist[errnum]);		return (sys_errlist[errnum]);
}		}

graphics/drm-kmod: Fix dependency on firmwaresClosedPublicActions

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graphics/drm-kmod/Makefile

graphics/drm-kmod: Fix dependency on firmwares
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