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PR 18963
* testsuite/ld-scripts/pr18963.t: Reduce section sizes to fit in
16-bit address space.
* testsuite/ld-scripts/pr18963.d: Likewise.
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This reverts commit 7a1a12f4d1c6152017142d74c736dc1cc6b0e81c.
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PR ld/18963
* testsuite/ld-scripts/pr18963.s: New, replaces empty data.s to
allocate space in text, data, bss here rather than pr18963.t.
* testsuite/ld-scripts/pr18963.t: Remove assignments to dot.
* testsuite/ld-scripts/pr18963.d: Change addresses to fit 16 bits.
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This patch restricts the section names matched in coff_section_type,
a function that translates section names to symbol type, and arranges
to translate section flags to symbol type before looking at names.
The latter change resulted in various test failures due to improper
section flags being used in tests, and by the plugin support, so fix
that too.
The new test fails on many ELF targets that lack .init/fini_array
in their scripts. I've just xfailed those. pru-elf oddly defines
__init_array_begin rather than __init_array_start. I've left that
target as a FAIL, and pj-elf too which reports an error for undefined
weak symbols.
bfd/
PR 24511
* syms.c (coff_section_type): Only allow '.', '$' and numeric
following the standard section names.
(bfd_decode_symclass): Prioritize section flag tests in
decode_section_type before name tests in coff_section_type.
* plugin.c (bfd_plugin_canonicalize_symtab): Init fake_section
and fake_common_section using BFD_FAKE_SECTION. Use "fake" as
their names and choose standard .text section flags for
fake_section.
ld/
PR 24511
* testsuite/ld-elf/pr14156a.d: Allow for .init/.fini being a
data section on hppa64.
* testsuite/ld-elf/pr14156b.d: Likewise.
* testsuite/ld-scripts/pr18963.t: Map standard sections to set
output section flags.
* testsuite/ld-scripts/sane1.t: Likewise.
* testsuite/ld-elf/init-fini-arrays.s: Reference __init_array_start
and __fini_array_start. Define __start et al.
* testsuite/ld-elf/pr24511.d: New test.
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Giving linker script symbols defined outside of output sections a
section-relative value early, leads to them being used in expressions
as if they were defined inside an output section. This can mean loss
of the section VMA, and wrong results.
ld/
PR ld/18963
* ldexp.h (struct ldexp_control): Add rel_from_abs.
(ldexp_finalize_syms): Declare.
* ldexp.c (new_rel_from_abs): Keep absolute for expressions
outside of output section statements. Set rel_from_abs.
(make_abs, exp_fold_tree, exp_fold_tree_no_dot): Clear rel_from_abs.
(struct definedness_hash_entry): Add final_sec, and comment.
(update_definedness): Set final_sec.
(set_sym_sections, ldexp_finalize_syms): New functions.
* ldlang.c (lang_process): Call ldexp_finalize_syms.
ld/testsuite
PR ld/18963
* ld-scripts/pr18963.d,
* ld-scripts/pr18963.t: New test.
* ld-scripts/expr.exp: Run it.
* ld-elf/provide-hidden-2.ld: Explicitly make "dot" absolute.
* ld-mips-elf/gp-hidden.sd: Don't care about _gp section.
* ld-mips-elf/no-shared-1-n32.d: Don't care about symbol shown at
start of .data section.
* ld-mips-elf/no-shared-1-n64.d: Likewise.
* ld-mips-elf/no-shared-1-o32.d: Likewise.
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