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-rw-r--r--src/env/__init_tls.c5
-rw-r--r--src/env/__stack_chk_fail.c3
-rw-r--r--src/errno/__errno_location.c4
-rw-r--r--src/internal/libc.h3
-rw-r--r--src/ldso/dynlink.c12
-rw-r--r--src/process/fork.c2
-rw-r--r--src/thread/pthread_cancel.c3
-rw-r--r--src/thread/pthread_create.c2
-rw-r--r--src/thread/pthread_key_create.c10
-rw-r--r--src/thread/pthread_setcancelstate.c1
10 files changed, 13 insertions, 32 deletions
diff --git a/src/env/__init_tls.c b/src/env/__init_tls.c
index ac4d9e7f..67f14094 100644
--- a/src/env/__init_tls.c
+++ b/src/env/__init_tls.c
@@ -15,7 +15,6 @@ int __init_tp(void *p)
int r = __set_thread_area(TP_ADJ(p));
if (r < 0) return -1;
if (!r) libc.can_do_threads = 1;
- libc.has_thread_pointer = 1;
td->tid = __syscall(SYS_set_tid_address, &td->tid);
td->locale = &libc.global_locale;
td->robust_list.head = &td->robust_list.head;
@@ -112,8 +111,8 @@ void __init_tls(size_t *aux)
mem = builtin_tls;
}
- /* Failure to initialize thread pointer is fatal if TLS is used. */
- if (__init_tp(__copy_tls(mem)) < 0 && tls_phdr)
+ /* Failure to initialize thread pointer is always fatal. */
+ if (__init_tp(__copy_tls(mem)) < 0)
a_crash();
}
#else
diff --git a/src/env/__stack_chk_fail.c b/src/env/__stack_chk_fail.c
index 87ac473d..cc55460b 100644
--- a/src/env/__stack_chk_fail.c
+++ b/src/env/__stack_chk_fail.c
@@ -9,8 +9,7 @@ void __init_ssp(void *entropy)
if (entropy) memcpy(&__stack_chk_guard, entropy, sizeof(uintptr_t));
else __stack_chk_guard = (uintptr_t)&__stack_chk_guard * 1103515245;
- if (libc.has_thread_pointer)
- __pthread_self()->canary = __stack_chk_guard;
+ __pthread_self()->canary = __stack_chk_guard;
}
void __stack_chk_fail(void)
diff --git a/src/errno/__errno_location.c b/src/errno/__errno_location.c
index 49654efd..7172a1be 100644
--- a/src/errno/__errno_location.c
+++ b/src/errno/__errno_location.c
@@ -2,7 +2,5 @@
int *__errno_location(void)
{
- static int e;
- if (libc.has_thread_pointer) return &__pthread_self()->errno_val;
- return &e;
+ return &__pthread_self()->errno_val;
}
diff --git a/src/internal/libc.h b/src/internal/libc.h
index 3751cca2..79d53fc8 100644
--- a/src/internal/libc.h
+++ b/src/internal/libc.h
@@ -14,12 +14,11 @@ struct __locale_struct {
};
struct __libc {
- int has_thread_pointer;
int can_do_threads;
int threaded;
int secure;
- size_t *auxv;
volatile int threads_minus_1;
+ size_t *auxv;
FILE *ofl_head;
volatile int ofl_lock[2];
size_t tls_size;
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c
index 31f59392..8b15daa2 100644
--- a/src/ldso/dynlink.c
+++ b/src/ldso/dynlink.c
@@ -810,12 +810,6 @@ static struct dso *load_library(const char *name, struct dso *needed_by)
/* Add a shortname only if name arg was not an explicit pathname. */
if (pathname != name) p->shortname = strrchr(p->name, '/')+1;
if (p->tls_image) {
- if (runtime && !libc.has_thread_pointer) {
- munmap(map, p->map_len);
- free(p);
- errno = ENOSYS;
- return 0;
- }
p->tls_id = ++tls_cnt;
tls_align = MAXP2(tls_align, p->tls_align);
#ifdef TLS_ABOVE_TP
@@ -1165,8 +1159,7 @@ _Noreturn void __dls3(size_t *sp)
* thread pointer at runtime. */
libc.tls_size = sizeof builtin_tls;
if (__init_tp(__copy_tls((void *)builtin_tls)) < 0) {
- dprintf(2, "%s: Thread-local storage not supported by kernel.\n", argv[0]);
- _exit(127);
+ a_crash();
}
/* Find aux vector just past environ[] */
@@ -1352,8 +1345,7 @@ _Noreturn void __dls3(size_t *sp)
_exit(127);
}
if (__init_tp(__copy_tls(initial_tls)) < 0) {
- dprintf(2, "%s: Failed to switch to new thread pointer.\n", argv[0]);
- _exit(127);
+ a_crash();
}
} else {
size_t tmp_tls_size = libc.tls_size;
diff --git a/src/process/fork.c b/src/process/fork.c
index 8d676828..b96f0024 100644
--- a/src/process/fork.c
+++ b/src/process/fork.c
@@ -22,7 +22,7 @@ pid_t fork(void)
#else
ret = syscall(SYS_clone, SIGCHLD, 0);
#endif
- if (libc.has_thread_pointer && !ret) {
+ if (!ret) {
pthread_t self = __pthread_self();
self->tid = __syscall(SYS_gettid);
self->robust_list.off = 0;
diff --git a/src/thread/pthread_cancel.c b/src/thread/pthread_cancel.c
index a507f923..7c5dda31 100644
--- a/src/thread/pthread_cancel.c
+++ b/src/thread/pthread_cancel.c
@@ -30,7 +30,7 @@ long __syscall_cp_c(syscall_arg_t nr,
long r;
int st;
- if (!libc.has_thread_pointer || (st=(self=__pthread_self())->canceldisable)
+ if ((st=(self=__pthread_self())->canceldisable)
&& (st==PTHREAD_CANCEL_DISABLE || nr==SYS_close))
return __syscall(nr, u, v, w, x, y, z);
@@ -69,7 +69,6 @@ static void cancel_handler(int sig, siginfo_t *si, void *ctx)
void __testcancel()
{
- if (!libc.has_thread_pointer) return;
pthread_t self = __pthread_self();
if (self->cancel && !self->canceldisable)
__cancel();
diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 33808ce5..6963f0d6 100644
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -122,7 +122,6 @@ _Noreturn void __pthread_exit(void *result)
void __do_cleanup_push(struct __ptcb *cb)
{
- if (!libc.has_thread_pointer) return;
struct pthread *self = __pthread_self();
cb->__next = self->cancelbuf;
self->cancelbuf = cb;
@@ -130,7 +129,6 @@ void __do_cleanup_push(struct __ptcb *cb)
void __do_cleanup_pop(struct __ptcb *cb)
{
- if (!libc.has_thread_pointer) return;
__pthread_self()->cancelbuf = cb->__next;
}
diff --git a/src/thread/pthread_key_create.c b/src/thread/pthread_key_create.c
index 198ae56e..a78e507a 100644
--- a/src/thread/pthread_key_create.c
+++ b/src/thread/pthread_key_create.c
@@ -13,13 +13,11 @@ int __pthread_key_create(pthread_key_t *k, void (*dtor)(void *))
{
unsigned i = (uintptr_t)&k / 16 % PTHREAD_KEYS_MAX;
unsigned j = i;
+ pthread_t self = __pthread_self();
- if (libc.has_thread_pointer) {
- pthread_t self = __pthread_self();
- /* This can only happen in the main thread before
- * pthread_create has been called. */
- if (!self->tsd) self->tsd = __pthread_tsd_main;
- }
+ /* This can only happen in the main thread before
+ * pthread_create has been called. */
+ if (!self->tsd) self->tsd = __pthread_tsd_main;
if (!dtor) dtor = nodtor;
do {
diff --git a/src/thread/pthread_setcancelstate.c b/src/thread/pthread_setcancelstate.c
index 822a1398..5ab8c338 100644
--- a/src/thread/pthread_setcancelstate.c
+++ b/src/thread/pthread_setcancelstate.c
@@ -3,7 +3,6 @@
int __pthread_setcancelstate(int new, int *old)
{
if (new > 2U) return EINVAL;
- if (!libc.has_thread_pointer) return ENOSYS;
struct pthread *self = __pthread_self();
if (old) *old = self->canceldisable;
self->canceldisable = new;
generated by cgit v1.2.1 (git 2.18.0) at 2025-11-04 05:04:57 +0000