From 59f214544c50ec7ebbca285ff2b4949f48671690 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 1 Aug 2022 16:02:39 -0700 Subject: [PATCH] elf: Reset alignment for each PT_LOAD segment Reset alignment for each PT_LOAD segment to avoid using alignment from the previous PT_LOAD segment. bfd/ PR ld/29435 * elf.c (assign_file_positions_for_load_sections): Reset alignment for each PT_LOAD segment. ld/ PR ld/29435 * testsuite/ld-elf/pr29435.d: New file. * testsuite/ld-elf/pr29435.s: Likewise. --- bfd/elf.c | 7 ++++--- ld/testsuite/ld-elf/pr29435.d | 11 +++++++++++ ld/testsuite/ld-elf/pr29435.s | 6 ++++++ 3 files changed, 21 insertions(+), 3 deletions(-) create mode 100644 ld/testsuite/ld-elf/pr29435.d create mode 100644 ld/testsuite/ld-elf/pr29435.s diff --git a/bfd/elf.c b/bfd/elf.c index 25f4bca34f0..3e64cdf6699 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -5440,8 +5440,6 @@ assign_file_positions_for_load_sections (bfd *abfd, Elf_Internal_Phdr *p; file_ptr off; /* Octets. */ bfd_size_type maxpagesize; - bfd_size_type p_align; - bool p_align_p = false; unsigned int alloc, actual; unsigned int i, j; struct elf_segment_map **sorted_seg_map; @@ -5526,7 +5524,6 @@ assign_file_positions_for_load_sections (bfd *abfd, qsort (sorted_seg_map, alloc, sizeof (*sorted_seg_map), elf_sort_segments); - p_align = bed->p_align; maxpagesize = 1; if ((abfd->flags & D_PAGED) != 0) { @@ -5561,6 +5558,8 @@ assign_file_positions_for_load_sections (bfd *abfd, asection **secpp; bfd_vma off_adjust; /* Octets. */ bool no_contents; + bfd_size_type p_align; + bool p_align_p; /* An ELF segment (described by Elf_Internal_Phdr) may contain a number of sections with contents contributing to both p_filesz @@ -5571,6 +5570,8 @@ assign_file_positions_for_load_sections (bfd *abfd, p = phdrs + m->idx; p->p_type = m->p_type; p->p_flags = m->p_flags; + p_align = bed->p_align; + p_align_p = false; if (m->count == 0) p->p_vaddr = m->p_vaddr_offset * opb; diff --git a/ld/testsuite/ld-elf/pr29435.d b/ld/testsuite/ld-elf/pr29435.d new file mode 100644 index 00000000000..4ca4fd086a2 --- /dev/null +++ b/ld/testsuite/ld-elf/pr29435.d @@ -0,0 +1,11 @@ +#ld: -shared -z separate-code -z relro +#xfail: ![check_shared_lib_support] +#xfail: ![check_relro_support] +#readelf: -Wl + +#failif +#... + +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ .* 0x8000 +#... + +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ .* 0x8000 +#... diff --git a/ld/testsuite/ld-elf/pr29435.s b/ld/testsuite/ld-elf/pr29435.s new file mode 100644 index 00000000000..d2d8f265f5e --- /dev/null +++ b/ld/testsuite/ld-elf/pr29435.s @@ -0,0 +1,6 @@ + .text + .balign 0x8000 + .globl foo + .type foo, %function +foo: + .byte 0 -- 2.30.2