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* Add LDPT_REGISTER_CLAIM_FILE_HOOK_V2 linker plugin hook [GCC PR109128]Joseph Myers2023-05-111-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is one part of the fix for GCC PR109128, along with a corresponding GCC change. Without this patch, what happens in the linker, when an unused object in a .a file has offload data, is that elf_link_is_defined_archive_symbol calls bfd_link_plugin_object_p, which ends up calling the plugin's claim_file_handler, which then records the object as one with offload data. That is, the linker never decides to use the object in the first place, but use of this _p interface (called as part of trying to decide whether to use the object) results in the plugin deciding to use its offload data (and a consequent mismatch in the offload data present at runtime). The new hook allows the linker plugin to distinguish calls to claim_file_handler that know the object is being used by the linker (from ldmain.c:add_archive_element), from calls that don't know it's being used by the linker (from elf_link_is_defined_archive_symbol); in the latter case, the plugin should avoid recording the object as one with offload data. bfd/ * plugin.c (struct plugin_list_entry): Add claim_file_v2. (register_claim_file_v2): New. (try_load_plugin): Use LDPT_REGISTER_CLAIM_FILE_HOOK_V2. (ld_plugin_object_p): Take second argument. (bfd_link_plugin_object_p): Update call to ld_plugin_object_p. (register_ld_plugin_object_p): Update argument prototype. (bfd_plugin_object_p): Update call to ld_plugin_object_p. * plugin.h (register_ld_plugin_object_p): Update argument prototype. include/ * plugin.api.h (ld_plugin_claim_file_handler_v2) (ld_plugin_register_claim_file_v2) (LDPT_REGISTER_CLAIM_FILE_HOOK_V2): New. (struct ld_plugin_tv): Add tv_register_claim_file_v2. ld/ * plugin.c (struct plugin): Add claim_file_handler_v2. (LDPT_REGISTER_CLAIM_FILE_HOOK_V2): New. (plugin_object_p): Add second argument. Update call to plugin_call_claim_file. (register_claim_file_v2): New. (set_tv_header): Handle LDPT_REGISTER_CLAIM_FILE_HOOK_V2. (plugin_call_claim_file): Add argument known_used. (plugin_maybe_claim): Update call to plugin_object_p. * testplug.c, testplug2.c, testplug3.c, testplug4.c: Handle LDPT_REGISTER_CLAIM_FILE_HOOK_V2. * testsuite/ld-plugin/plugin-1.d, testsuite/ld-plugin/plugin-10.d, testsuite/ld-plugin/plugin-11.d, testsuite/ld-plugin/plugin-13.d, testsuite/ld-plugin/plugin-14.d, testsuite/ld-plugin/plugin-15.d, testsuite/ld-plugin/plugin-16.d, testsuite/ld-plugin/plugin-17.d, testsuite/ld-plugin/plugin-18.d, testsuite/ld-plugin/plugin-19.d, testsuite/ld-plugin/plugin-2.d, testsuite/ld-plugin/plugin-26.d, testsuite/ld-plugin/plugin-3.d, testsuite/ld-plugin/plugin-30.d, testsuite/ld-plugin/plugin-4.d, testsuite/ld-plugin/plugin-5.d, testsuite/ld-plugin/plugin-6.d, testsuite/ld-plugin/plugin-7.d, testsuite/ld-plugin/plugin-8.d, testsuite/ld-plugin/plugin-9.d: Update test expectations.
* Update year range in copyright notice of binutils filesAlan Modra2023-01-011-1/+1
| | | | | | The newer update-copyright.py fixes file encoding too, removing cr/lf on binutils/bfdtest2.c and ld/testsuite/ld-cygwin/exe-export.exp, and embedded cr in binutils/testsuite/binutils-all/ar.exp string match.
* Update year range in copyright notice of binutils filesAlan Modra2022-01-021-1/+1
| | | | | | | | | | The result of running etc/update-copyright.py --this-year, fixing all the files whose mode is changed by the script, plus a build with --enable-maintainer-mode --enable-cgen-maint=yes, then checking out */po/*.pot which we don't update frequently. The copy of cgen was with commit d1dd5fcc38ead reverted as that commit breaks building of bfp opcodes files.
* Use bool in ldAlan Modra2021-03-311-13/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * sysdep.h (POISON_BFD_BOOLEAN): Define. * configure.ac (elf_list_options, elf_shlib_list_options=false), (elf_plt_unwind_list_options=false): Replace FALSE with false, and TRUE with true. * emulparams/call_nop.sh, * emulparams/cet.sh, * emulparams/dynamic_undefined_weak.sh, * emulparams/elf32b4300.sh, * emulparams/elf32lm32.sh, * emulparams/elf32lr5900.sh, * emulparams/elf32lr5900n32.sh, * emulparams/elf32visium.sh, * emulparams/elf_x86_64.sh, * emulparams/extern_protected_data.sh, * emulparams/plt_unwind.sh, * emulparams/reloc_overflow.sh, * emulparams/static.sh, * emulparams/x86-64-lam.sh, * emultempl/aarch64elf.em, * emultempl/aix.em, * emultempl/alphaelf.em, * emultempl/armcoff.em, * emultempl/armelf.em, * emultempl/avrelf.em, * emultempl/beos.em, * emultempl/bfin.em, * emultempl/cr16elf.em, * emultempl/crxelf.em, * emultempl/cskyelf.em, * emultempl/elf.em, * emultempl/genelf.em, * emultempl/hppaelf.em, * emultempl/linux.em, * emultempl/m68hc1xelf.em, * emultempl/metagelf.em, * emultempl/mipself.em, * emultempl/mmix-elfnmmo.em, * emultempl/mmixelf.em, * emultempl/mmo.em, * emultempl/msp430.em, * emultempl/nios2elf.em, * emultempl/pdp11.em, * emultempl/pe.em, * emultempl/pep.em, * emultempl/ppc32elf.em, * emultempl/ppc64elf.em, * emultempl/rxelf.em, * emultempl/rxlinux.em, * emultempl/scoreelf.em, * emultempl/solaris2.em, * emultempl/spuelf.em, * emultempl/ticoff.em, * emultempl/v850elf.em, * emultempl/vms.em, * emultempl/xtensaelf.em, * emultempl/z80.em, * ld.h, * ldbuildid.c, * ldbuildid.h, * ldcref.c, * ldctor.c, * ldctor.h, * ldelf.c, * ldelf.h, * ldelfgen.c, * ldelfgen.h, * ldemul.c, * ldemul.h, * ldexp.c, * ldexp.h, * ldfile.c, * ldfile.h, * ldgram.y, * ldlang.c, * ldlang.h, * ldmain.c, * ldmain.h, * ldmisc.c, * ldmisc.h, * ldwrite.c, * lexsup.c, * mri.c, * pe-dll.c, * pe-dll.h, * pep-dll.h, * plugin.c, * plugin.h, * testplug.c, * testplug2.c, * testplug3.c, * testplug4.c: Replace bfd_boolean with bool, FALSE with false, and TRUE with true. * configure: Regenerate.
* Update year range in copyright notice of binutils filesAlan Modra2021-01-011-1/+1
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* Do without ld ENABLE_PLUGINSAlan Modra2020-06-211-0/+2
| | | | | | | | | | | | | | | | | | | | | | | Instead, use BFD_SUPPORTS_PLUGINS. * ldfile.c: Replace uses of ENABLE_PLUGINS with BFD_SUPPORTS_PLUGINS. * ldlang.c: Likewise. * ldlang.h: Likewise. * ldlex.h: Likewise. * ldmain.c: Likewise. * lexsup.c: Likewise. * plugin.c: Wrap body of file in #if BFD_SUPPORTS_PLUGINS. * testplug.c: Likewise. * testplug2.c: Likewise. * testplug3.c: Likewise. * testplug4.c: Likewise. * configure.ac (ENABLE_PLUGINS): Don't define AM_CONTITIONAL. * Makefile.am: Remove ENABLE_PLUGINS conditionals. (PLUGIN_CFLAGS): Don't define. (PLUGIN_C, PLUGIN_H, PLUGIN_OBJECT): Likewise. Substitute all uses with plugin file name. * configure: Regenerate. * Makefile.in: Regenerate.
* Silence warnings due to plugin API changeAlan Modra2020-03-201-1/+4
| | | | | | | | * testplug.c (parse_symdefstr): Use %hhi to read sym->def, and clear new fields. * testplug2.c (parse_symdefstr): Likewise. * testplug3.c (parse_symdefstr): Likewise. * testplug4.c (parse_symdefstr): Likewise.
* Update year range in copyright notice of binutils filesAlan Modra2020-01-011-1/+1
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* Update year range in copyright notice of binutils filesAlan Modra2019-01-011-1/+1
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* Update year range in copyright notice of binutils filesAlan Modra2018-01-031-1/+1
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* Update year range in copyright notice of all files.Alan Modra2017-01-021-1/+1
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* Remove redundant sizeof on EXPECTED_VIEW_LENGTHH.J. Lu2016-05-141-1/+1
| | | | | | | PR ld/20097 * testplug2.c (onall_symbols_read): Remove redundant sizeof on EXPECTED_VIEW_LENGTH. * testplug4.c (onall_symbols_read): Likewise.
* Handle symbols defined/referenced only within IRH.J. Lu2016-05-121-0/+674
The plugin is called to claim symbols in an archive element from plugin_object_p. But those symbols aren't needed to create output. They are defined and referenced only within IR. get_symbols should return resolution based on IR symbol kinds. PR ld/20070 * Makefile.am (noinst_LTLIBRARIES): Add libldtestplug4.la. (libldtestplug4_la_SOURCES): New. (libldtestplug4_la_CFLAGS): Likewise. (libldtestplug4_la_LDFLAGS): Likewise. * Makefile.in: Regenerated. * plugin.c (get_symbols): Return resolution based on IR symbol kinds for symbols defined/referenced only within IR. * testplug4.c: New file. * ld/testsuite/ld-plugin/pr20070.d: Likewise. * ld/testsuite/ld-plugin/pr20070a.c: Likewise. * ld/testsuite/ld-plugin/pr20070b.c: Likewise. * testsuite/ld-plugin/plugin.exp (plugin4_name): New. (plugin4_path): Likewise. Add a test for ld/20070.
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