diff options
| -rw-r--r-- | libpthread/nptl/sysdeps/generic/libc-tls.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libpthread/nptl/sysdeps/generic/libc-tls.c b/libpthread/nptl/sysdeps/generic/libc-tls.c index 0c8c558d0..54f3cb0c7 100644 --- a/libpthread/nptl/sysdeps/generic/libc-tls.c +++ b/libpthread/nptl/sysdeps/generic/libc-tls.c @@ -166,10 +166,13 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign) for FDPIC MMU-less platforms: fs/binfmt_elf_fdpic.c: fix brk area overlap with stack on NOMMU https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/fs/binfmt_elf_fdpic.c?id=4ac313111018cb44ecc250445de5ccb93026a980 + Loading static PIE ELFs on noMMU is possible since the linux kernel commit + 1bde925d2354 ("fs/binfmt_elf_fdpic.c: provide NOMMU loader for regular ELF binaries") + and it is subject to the same brk restriction. */ # if defined(TLS_TCB_AT_TP) tcb_offset = roundup (memsz + GL(dl_tls_static_size), tcbalign); -# if defined(__FDPIC__) +# if defined(__FDPIC__) || (!defined(__ARCH_USE_MMU__) && defined(STATIC_PIE)) tlsblock = mmap (NULL, tcb_offset + tcbsize + max_align, PROT_READ|PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); # else @@ -177,7 +180,7 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign) # endif # elif defined(TLS_DTV_AT_TP) tcb_offset = roundup (tcbsize, align ?: 1); -# if defined(__FDPIC__) +# if defined(__FDPIC__) || (!defined(__ARCH_USE_MMU__) && defined(STATIC_PIE)) tlsblock = mmap (NULL, tcb_offset + memsz + max_align + TLS_PRE_TCB_SIZE + GL(dl_tls_static_size), PROT_READ|PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); # else |