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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-05-21 20:39:09 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-05-21 20:39:30 -0700 |
| commit | 34a87bb07a4a3b2202fc25167a6b0f12575edc87 (patch) | |
| tree | 1e5f01a95feb8860d22986e8131f367376e8a1dd /ld/ldexp.c | |
| parent | bae363f1146378207e1dffe5f23845644a1d0b7a (diff) | |
| download | gdb-34a87bb07a4a3b2202fc25167a6b0f12575edc87.zip gdb-34a87bb07a4a3b2202fc25167a6b0f12575edc87.tar.gz gdb-34a87bb07a4a3b2202fc25167a6b0f12575edc87.tar.bz2 | |
ld: Hide symbols defined by HIDDEN/PROVIDE_HIDDEN
There should be no difference in output for symbols defined by HIDDEN
or PROVIDE_HIDDEN assignments whether they are explicitly marked as
hidden or not. This patch adds a new BFD function, bfd_link_hide_symbol,
to hide symbols defined by HIDDEN and PROVIDE_HIDDEN assignments.
bfd
PR ld/23201
* aout-target.h (MY_bfd_link_hide_symbol): New.
* aout-tic30.c (MY_bfd_link_hide_symbol): Likewise.
* binary.c (binary_bfd_link_hide_symbol): Likewise.
* coff-alpha.c (_bfd_ecoff_bfd_link_hide_symbol): Likewise.
* coff-mips.c (_bfd_ecoff_bfd_link_hide_symbol): Likewise.
* coff-rs6000.c (_bfd_xcoff_bfd_link_hide_symbol): Likewise.
* coffcode.h (coff_bfd_link_hide_symbol): Likewise.
* elf-bfd.h (_bfd_elf_link_hide_symbol): Likewise.
* elfxx-target.h (bfd_elfNN_bfd_link_hide_symbol): Likewise.
* i386msdos.c (msdos_bfd_link_hide_symbol): Likewise.
* ihex.c (ihex_bfd_link_hide_symbol): Likewise.
* libbfd-in.h (_bfd_nolink_bfd_link_hide_symbol): Likewise.
* linker.c (_bfd_generic_link_hide_symbol): Likewise.
(bfd_link_hide_symbol): Likewise.
* mach-o-target.c (bfd_mach_o_bfd_link_hide_symbol): Likewise.
* mmo.c (mmo_bfd_link_hide_symbol): Likewise.
* pef.c (bfd_pef_bfd_link_hide_symbol): Likewise.
* plugin.c (bfd_plugin_bfd_link_hide_symbol): Likewise.
* ppcboot.c (ppcboot_bfd_link_hide_symbol): Likewise.
* som.c (som_bfd_link_hide_symbol): Likewise.
* srec.c (srec_bfd_link_hide_symbol): Likewise.
* tekhex.c (tekhex_bfd_link_hide_symbol): Likewise.
* vms-alpha.c (vms_bfd_link_hide_symbol): Likewise.
(alpha_vms_bfd_link_hide_symbol): Likewise.
* xsym.c (bfd_sym_bfd_link_hide_symbol): Likewise.
* coff64-rs6000.c (rs6000_xcoff64_vec): Add
_bfd_generic_link_hide_symbol.
(rs6000_xcoff64_aix_vec): Likewise.
* elflink.c (bfd_elf_record_link_assignment): Don't make forced
local symbol dynamic.
(_bfd_elf_link_hide_symbol): New function.
* elfxx-x86.c (_bfd_x86_elf_link_symbol_references_local): Don't
check root.ldscript_def.
* targets.c (bfd_target): Add _bfd_link_hide_symbol.
(BFD_JUMP_TABLE_LINK): Add NAME##_bfd_link_hide_symbol.
* bfd-in2.h: Regenerated.
* libbfd.h: Likewise.
ld/
PR ld/23201
* ldexp.c (exp_fold_tree_1): Call bfd_link_hide_symbol to hide
a symbol.
* testsuite/ld-elf/provide-hidden-dynabs.nd: Removed.
* testsuite/ld-elf/provide-hidden-dynsec.nd: Likewise.
* testsuite/ld-elf/provide-hidden.exp: Replace
provide-hidden-dynsec.nd with provide-hidden-sec.nd and
provide-hidden-dyn.nd. Replace provide-hidden-dynabs.nd with
provide-hidden-abs.nd and provide-hidden-dyn.nd.
* testsuite/ld-i386/pr23189.d: Expect no dynamic relocation.
* testsuite/ld-x86-64/pr23189.d: Likewise.
Diffstat (limited to 'ld/ldexp.c')
| -rw-r--r-- | ld/ldexp.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -1200,6 +1200,9 @@ exp_fold_tree_1 (etree_type *tree) h->u.def.section = expld.result.section; h->linker_def = ! tree->assign.type.lineno; h->ldscript_def = 1; + if (tree->assign.hidden) + bfd_link_hide_symbol (link_info.output_bfd, + &link_info, h); /* Copy the symbol type if this is an expression only referencing a single symbol. (If the expression |