aboutsummaryrefslogtreecommitdiff
path: root/bfd/elf.c
diff options
context:
space:
mode:
Diffstat (limited to 'bfd/elf.c')
-rw-r--r--bfd/elf.c98
1 files changed, 32 insertions, 66 deletions
diff --git a/bfd/elf.c b/bfd/elf.c
index b0e7cee..ae3af35 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -1083,7 +1083,7 @@ get_segment_type (unsigned int p_type)
case PT_PHDR: pt = "PHDR"; break;
case PT_TLS: pt = "TLS"; break;
case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break;
- case PT_GNU_ATTR: pt = "ATTR"; break;
+ case PT_GNU_STACK: pt = "STACK"; break;
case PT_GNU_RELRO: pt = "RELRO"; break;
default: pt = NULL; break;
}
@@ -2355,8 +2355,8 @@ bfd_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int index)
return _bfd_elf_make_section_from_phdr (abfd, hdr, index,
"eh_frame_hdr");
- case PT_GNU_ATTR:
- return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "attr");
+ case PT_GNU_STACK:
+ return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "stack");
case PT_GNU_RELRO:
return _bfd_elf_make_section_from_phdr (abfd, hdr, index, "relro");
@@ -3300,8 +3300,7 @@ get_program_header_size (bfd *abfd, struct bfd_link_info *info)
{
size_t segs;
asection *s;
- asection *attr = NULL;
- const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ const struct elf_backend_data *bed;
/* Assume we will need exactly two PT_LOAD segments: one for text
and one for data. */
@@ -3336,26 +3335,14 @@ get_program_header_size (bfd *abfd, struct bfd_link_info *info)
++segs;
}
- for (s = abfd->sections; s != NULL; s = s->next)
+ if (elf_tdata (abfd)->stack_flags)
{
- if (elf_section_type (s) == bed->obj_attrs_section_type)
- {
- BFD_ASSERT (attr == NULL);
- attr = s;
-
- /* elf_tdata (abfd)->stack_flags is checked for the
- PT_GNU_ATTR segment. If there is an attribute
- section, we make sure that stack_flags isn't zero so
- that the PT_GNU_ATTR segment will be created. */
- if (! elf_tdata (abfd)->stack_flags)
- {
- if (bed->default_execstack)
- elf_tdata (abfd)->stack_flags = PF_R | PF_W | PF_X;
- else
- elf_tdata (abfd)->stack_flags = PF_R | PF_W;
- }
- }
+ /* We need a PT_GNU_STACK segment. */
+ ++segs;
+ }
+ for (s = abfd->sections; s != NULL; s = s->next)
+ {
if ((s->flags & SEC_LOAD) != 0
&& CONST_STRNEQ (s->name, ".note"))
{
@@ -3377,12 +3364,6 @@ get_program_header_size (bfd *abfd, struct bfd_link_info *info)
}
}
- if (elf_tdata (abfd)->stack_flags)
- {
- /* We need a PT_GNU_ATTR segment. */
- ++segs;
- }
-
for (s = abfd->sections; s != NULL; s = s->next)
{
if (s->flags & SEC_THREAD_LOCAL)
@@ -3394,6 +3375,7 @@ get_program_header_size (bfd *abfd, struct bfd_link_info *info)
}
/* Let the backend count up any program headers it might need. */
+ bed = get_elf_backend_data (abfd);
if (bed->elf_backend_additional_program_headers)
{
int a;
@@ -3538,7 +3520,6 @@ _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info)
asection *first_tls = NULL;
asection *dynsec, *eh_frame_hdr;
bfd_size_type amt;
- asection *attr = NULL;
/* Select the allocated sections, and sort them. */
@@ -3549,12 +3530,6 @@ _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info)
i = 0;
for (s = abfd->sections; s != NULL; s = s->next)
{
- if (elf_section_type (s) == bed->obj_attrs_section_type)
- {
- BFD_ASSERT (attr == NULL);
- attr = s;
- }
-
if ((s->flags & SEC_ALLOC) != 0)
{
sections[i] = s;
@@ -3868,17 +3843,10 @@ _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info)
if (m == NULL)
goto error_return;
m->next = NULL;
- m->p_type = PT_GNU_ATTR;
+ m->p_type = PT_GNU_STACK;
m->p_flags = elf_tdata (abfd)->stack_flags;
m->p_flags_valid = 1;
- if (attr)
- {
- /* Add the attribute section if needed. */
- m->count = 1;
- m->sections[0] = attr;
- }
-
*pm = m;
pm = &m->next;
}
@@ -5065,33 +5033,31 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd)
2. It is an allocated segment,
3. There is an output section associated with it,
4. The section has not already been allocated to a previous segment.
- 5. PT_GNU_ATTR only contains attribute section.
+ 5. PT_GNU_STACK segments do not include any sections.
6. PT_TLS segment includes only SHF_TLS sections.
7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments.
8. PT_DYNAMIC should not contain empty sections at the beginning
(with the possible exception of .dynamic). */
#define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \
- ((segment->p_type == PT_GNU_ATTR \
- && elf_section_type (section) == bed->obj_attrs_section_type) \
- || ((((segment->p_paddr \
- ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \
- : IS_CONTAINED_BY_VMA (section, segment)) \
- && (section->flags & SEC_ALLOC) != 0) \
- || IS_COREFILE_NOTE (segment, section)) \
- && segment->p_type != PT_GNU_ATTR \
- && (segment->p_type != PT_TLS \
- || (section->flags & SEC_THREAD_LOCAL)) \
- && (segment->p_type == PT_LOAD \
- || segment->p_type == PT_TLS \
- || (section->flags & SEC_THREAD_LOCAL) == 0) \
- && (segment->p_type != PT_DYNAMIC \
- || SECTION_SIZE (section, segment) > 0 \
- || (segment->p_paddr \
- ? segment->p_paddr != section->lma \
- : segment->p_vaddr != section->vma) \
- || (strcmp (bfd_get_section_name (ibfd, section), \
- ".dynamic") == 0)) \
- && ! section->segment_mark))
+ ((((segment->p_paddr \
+ ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \
+ : IS_CONTAINED_BY_VMA (section, segment)) \
+ && (section->flags & SEC_ALLOC) != 0) \
+ || IS_COREFILE_NOTE (segment, section)) \
+ && segment->p_type != PT_GNU_STACK \
+ && (segment->p_type != PT_TLS \
+ || (section->flags & SEC_THREAD_LOCAL)) \
+ && (segment->p_type == PT_LOAD \
+ || segment->p_type == PT_TLS \
+ || (section->flags & SEC_THREAD_LOCAL) == 0) \
+ && (segment->p_type != PT_DYNAMIC \
+ || SECTION_SIZE (section, segment) > 0 \
+ || (segment->p_paddr \
+ ? segment->p_paddr != section->lma \
+ : segment->p_vaddr != section->vma) \
+ || (strcmp (bfd_get_section_name (ibfd, section), ".dynamic") \
+ == 0)) \
+ && ! section->segment_mark)
/* If the output section of a section in the input segment is NULL,
it is removed from the corresponding output segment. */
generated by cgit v1.1 at 2024-12-15 06:17:32 +0000