X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fenv%2F__init_tls.c;h=a93141ed36a8d7d06d73100304a068f94a8011bc;hb=3953aecbef11f3e8f5ae9388873dfaa554874309;hp=96d0e2843da00caf57d101a61291fece78369153;hpb=7b3348a98c139b4b4238384e52d4b0eb237e4833;p=musl diff --git a/src/env/__init_tls.c b/src/env/__init_tls.c index 96d0e284..a93141ed 100644 --- a/src/env/__init_tls.c +++ b/src/env/__init_tls.c @@ -1,3 +1,4 @@ +#define SYSCALL_NO_TLS 1 #include #include #include @@ -8,6 +9,8 @@ #include "atomic.h" #include "syscall.h" +volatile int __thread_list_lock; + int __init_tp(void *p) { pthread_t td = p; @@ -16,9 +19,11 @@ int __init_tp(void *p) if (r < 0) return -1; if (!r) libc.can_do_threads = 1; td->detach_state = DT_JOINABLE; - td->tid = __syscall(SYS_set_tid_address, &td->detach_state); + td->tid = __syscall(SYS_set_tid_address, &__thread_list_lock); td->locale = &libc.global_locale; td->robust_list.head = &td->robust_list.head; + td->sysinfo = __sysinfo; + td->next = td->prev = td; return 0; } @@ -36,33 +41,33 @@ void *__copy_tls(unsigned char *mem) pthread_t td; struct tls_module *p; size_t i; - void **dtv; + uintptr_t *dtv; #ifdef TLS_ABOVE_TP - dtv = (void **)(mem + libc.tls_size) - (libc.tls_cnt + 1); + dtv = (uintptr_t*)(mem + libc.tls_size) - (libc.tls_cnt + 1); mem += -((uintptr_t)mem + sizeof(struct pthread)) & (libc.tls_align-1); td = (pthread_t)mem; mem += sizeof(struct pthread); for (i=1, p=libc.tls_head; p; i++, p=p->next) { - dtv[i] = mem + p->offset; - memcpy(dtv[i], p->image, p->len); + dtv[i] = (uintptr_t)(mem + p->offset) + DTP_OFFSET; + memcpy(mem + p->offset, p->image, p->len); } #else - dtv = (void **)mem; + dtv = (uintptr_t *)mem; mem += libc.tls_size - sizeof(struct pthread); mem -= (uintptr_t)mem & (libc.tls_align-1); td = (pthread_t)mem; for (i=1, p=libc.tls_head; p; i++, p=p->next) { - dtv[i] = mem - p->offset; - memcpy(dtv[i], p->image, p->len); + dtv[i] = (uintptr_t)(mem - p->offset) + DTP_OFFSET; + memcpy(mem - p->offset, p->image, p->len); } #endif - dtv[0] = (void *)libc.tls_cnt; - td->dtv = td->dtv_copy = dtv; + dtv[0] = libc.tls_cnt; + td->dtv = dtv; return td; } @@ -110,7 +115,8 @@ static void static_init_tls(size_t *aux) & (main_tls.align-1); #ifdef TLS_ABOVE_TP main_tls.offset = GAP_ABOVE_TP; - main_tls.offset += -GAP_ABOVE_TP & (main_tls.align-1); + main_tls.offset += (-GAP_ABOVE_TP + (uintptr_t)main_tls.image) + & (main_tls.align-1); #else main_tls.offset = main_tls.size; #endif