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author | H.J. Lu <hjl.tools@gmail.com> | 2006-08-01 17:50:52 +0000 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2006-08-01 17:50:52 +0000 |
commit | 12d814e1a0dc0a0cc351c2ce5c9c9ccacf5ec9b8 (patch) | |
tree | 2dc3a545d004e8e3de8fe2b08d495592b35e1c67 /ld/ldlang.c | |
parent | b4c71f5629b187808be5a73ed5fa2220a9a189c1 (diff) | |
download | gdb-12d814e1a0dc0a0cc351c2ce5c9c9ccacf5ec9b8.zip gdb-12d814e1a0dc0a0cc351c2ce5c9c9ccacf5ec9b8.tar.gz gdb-12d814e1a0dc0a0cc351c2ce5c9c9ccacf5ec9b8.tar.bz2 |
ld/
2006-08-01 H.J. Lu <hongjiu.lu@intel.com>
* ldlang.c (init_os): Add flags. Replace bfd_make_section with
bfd_make_section_with_flags.
(exp_init_os): Updated.
(lang_add_section): Call init_os with flags.
(map_input_to_output_sections): Likewise.
ld/testsuite/
2006-08-01 H.J. Lu <hongjiu.lu@intel.com>
* ld-elf/noload-1.d: New.
* ld-elf/noload-1.s: Likewise.
* ld-elf/noload-1.t: Likewise.
Diffstat (limited to 'ld/ldlang.c')
-rw-r--r-- | ld/ldlang.c | 76 |
1 files changed, 41 insertions, 35 deletions
diff --git a/ld/ldlang.c b/ld/ldlang.c index 7938eb6..73d4053 100644 --- a/ld/ldlang.c +++ b/ld/ldlang.c @@ -1859,7 +1859,8 @@ sort_def_symbol (hash_entry, info) /* Initialize an output section. */ static void -init_os (lang_output_section_statement_type *s, asection *isec) +init_os (lang_output_section_statement_type *s, asection *isec, + flagword flags) { if (s->bfd_section != NULL) return; @@ -1869,7 +1870,8 @@ init_os (lang_output_section_statement_type *s, asection *isec) s->bfd_section = bfd_get_section_by_name (output_bfd, s->name); if (s->bfd_section == NULL) - s->bfd_section = bfd_make_section (output_bfd, s->name); + s->bfd_section = bfd_make_section_with_flags (output_bfd, s->name, + flags); if (s->bfd_section == NULL) { einfo (_("%P%F: output format %s cannot represent section called %s\n"), @@ -1947,7 +1949,7 @@ exp_init_os (etree_type *exp) os = lang_output_section_find (exp->name.name); if (os != NULL && os->bfd_section == NULL) - init_os (os, NULL); + init_os (os, NULL, 0); } } break; @@ -2022,8 +2024,32 @@ lang_add_section (lang_statement_list_type *ptr, lang_input_section_type *new; flagword flags; + flags = section->flags; + + /* We don't copy the SEC_NEVER_LOAD flag from an input section + to an output section, because we want to be able to include a + SEC_NEVER_LOAD section in the middle of an otherwise loaded + section (I don't know why we want to do this, but we do). + build_link_order in ldwrite.c handles this case by turning + the embedded SEC_NEVER_LOAD section into a fill. */ + + flags &= ~ SEC_NEVER_LOAD; + + switch (output->sectype) + { + case normal_section: + break; + case noalloc_section: + flags &= ~SEC_ALLOC; + break; + case noload_section: + flags &= ~SEC_LOAD; + flags |= SEC_NEVER_LOAD; + break; + } + if (output->bfd_section == NULL) - init_os (output, section); + init_os (output, section, flags); first = ! output->bfd_section->linker_has_input; output->bfd_section->linker_has_input = 1; @@ -2047,17 +2073,6 @@ lang_add_section (lang_statement_list_type *ptr, new->section = section; section->output_section = output->bfd_section; - flags = section->flags; - - /* We don't copy the SEC_NEVER_LOAD flag from an input section - to an output section, because we want to be able to include a - SEC_NEVER_LOAD section in the middle of an otherwise loaded - section (I don't know why we want to do this, but we do). - build_link_order in ldwrite.c handles this case by turning - the embedded SEC_NEVER_LOAD section into a fill. */ - - flags &= ~ SEC_NEVER_LOAD; - /* If final link, don't copy the SEC_LINK_ONCE flags, they've already been processed. One reason to do this is that on pe format targets, .text$foo sections go into .text and it's odd @@ -2094,19 +2109,6 @@ lang_add_section (lang_statement_list_type *ptr, if ((section->flags & SEC_READONLY) == 0) output->bfd_section->flags &= ~SEC_READONLY; - switch (output->sectype) - { - case normal_section: - break; - case noalloc_section: - output->bfd_section->flags &= ~SEC_ALLOC; - break; - case noload_section: - output->bfd_section->flags &= ~SEC_LOAD; - output->bfd_section->flags |= SEC_NEVER_LOAD; - break; - } - /* Copy over SEC_SMALL_DATA. */ if (section->flags & SEC_SMALL_DATA) output->bfd_section->flags |= SEC_SMALL_DATA; @@ -3201,6 +3203,8 @@ map_input_to_output_sections (lang_statement_union_type *s, const char *target, lang_output_section_statement_type *os) { + flagword flags; + for (; s != NULL; s = s->header.next) { switch (s->header.type) @@ -3250,13 +3254,15 @@ map_input_to_output_sections /* Make sure that any sections mentioned in the expression are initialized. */ exp_init_os (s->data_statement.exp); - if (os != NULL && os->bfd_section == NULL) - init_os (os, NULL); + flags = SEC_HAS_CONTENTS; /* The output section gets contents, and then we inspect for any flags set in the input script which override any ALLOC. */ - os->bfd_section->flags |= SEC_HAS_CONTENTS; if (!(os->flags & SEC_NEVER_LOAD)) - os->bfd_section->flags |= SEC_ALLOC | SEC_LOAD; + flags |= SEC_ALLOC | SEC_LOAD; + if (os->bfd_section == NULL) + init_os (os, NULL, flags); + else + os->bfd_section->flags |= flags; break; case lang_input_section_enum: break; @@ -3266,11 +3272,11 @@ map_input_to_output_sections case lang_padding_statement_enum: case lang_input_statement_enum: if (os != NULL && os->bfd_section == NULL) - init_os (os, NULL); + init_os (os, NULL, 0); break; case lang_assignment_statement_enum: if (os != NULL && os->bfd_section == NULL) - init_os (os, NULL); + init_os (os, NULL, 0); /* Make sure that any sections mentioned in the assignment are initialized. */ @@ -3298,7 +3304,7 @@ map_input_to_output_sections (s->address_statement.section_name)); if (aos->bfd_section == NULL) - init_os (aos, NULL); + init_os (aos, NULL, 0); aos->addr_tree = s->address_statement.address; } break; |