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Diffstat (limited to 'ld/ChangeLog')
| -rw-r--r-- | ld/ChangeLog | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 8e5ae31..dd0ba41 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,97 @@ +2019-09-30 Nick Alcock <nick.alcock@oracle.com> + + * ldlang.h: (struct lang_input_statement_struct): Add the_ctf. + (struct elf_sym_strtab): Add forward. + (struct elf_strtab_hash): Likewise. + (ldlang_ctf_apply_strsym): Declare. + (ldlang_write_ctf_late): Likewise. + * ldemul.h (ldemul_emit_ctf_early): New. + (ldemul_examine_strtab_for_ctf): Likewise. + (ld_emulation_xfer_type) <emit_ctf_early>: Likewise. + (ld_emulation_xfer_type) <examine_strtab_for_ctf>: Likewise. + * ldemul.c (ldemul_emit_ctf_early): New. + (ldemul_examine_strtab_for_ctf): Likewise. + * ldlang.c: Include ctf-api.h. + (CTF_COMPRESSION_THRESHOLD): New. + (ctf_output): New. Initialized in... + (ldlang_open_ctf): ... this new function. Open all the CTF + sections in the input files: mark them non-loaded and empty + so as not to copy their contents to the output, but linker-created + so the section gets created in the target. + (ldlang_merge_ctf): New, merge types via ctf_link_add_ctf and + ctf_link. + (ldlang_ctf_apply_strsym): New, an examine_strtab callback: wrap + ldemul_examine_strtab_for_ctf. + (lang_write_ctf): New, write out the CTF section. + (ldlang_write_ctf_late): New, late call via bfd's emit_ctf hook. + (lang_process): Call ldlang_open_ctf, ldlang_merge_ctf, and + lang_write_ctf. + * ldmain.c (link_callbacks): Add ldlang_ctf_apply_strsym, + ldlang_write_ctf_late. + * emultempl/aix.em: Add ctf-api.h. + * emultempl/armcoff.em: Likewise. + * emultempl/beos.em: Likewise. + * emultempl/elf.em: Likewise. + * emultempl/generic.em: Likewise. + * emultempl/linux.em: Likewise. + * emultempl/msp430.em: Likewise. + * emultempl/pe.em: Likewise. + * emultempl/pep.em: Likewise. + * emultempl/ticoff.em: Likewise. + * emultempl/vanilla.em: Likewise. + * ldcref.c: Likewise. + * ldctor.c: Likewise. + * ldelf.c: Likewise. + * ldelfgen.c: Likewise. + * ldemul.c: Likewise. + * ldexp.c: Likewise. + * ldfile.c: Likewise. + * ldgram.c: Likewise. + * ldlex.l: Likewise. + * ldmain.c: Likewise. + * ldmisc.c: Likewise. + * ldver.c: Likewise. + * ldwrite.c: Likewise. + * lexsup.c: Likewise. + * mri.c: Likewise. + * pe-dll.c: Likewise. + * plugin.c: Likewise. + + * ldelfgen.c (ldelf_emit_ctf_early): New. + (ldelf_examine_strtab_for_ctf): tell libctf about the symtab and + strtab. + (struct ctf_strsym_iter_cb_arg): New, state to do so. + (ldelf_ctf_strtab_iter_cb): New: tell libctf about + each string in the strtab in turn. + (ldelf_ctf_symbols_iter_cb): New, tell libctf + about each symbol in the symtab in turn. + * ldelfgen.h (struct elf_sym_strtab): Add forward. + (struct elf_strtab_hash): Likewise. + (struct ctf_file): Likewise. + (ldelf_emit_ctf_early): Declare. + (ldelf_examine_strtab_for_ctf): Likewise. + * emultempl/elf-generic.em (LDEMUL_EMIT_CTF_EARLY): Set it. + (LDEMUL_EXAMINE_STRTAB_FOR_CTF): Likewise. + * emultempl/aix.em (ld_${EMULATION_NAME}_emulation): Add + emit_ctf_early and examine_strtab_for_ctf, NULL by default. + * emultempl/armcoff.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/beos.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/elf.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/generic.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/linux.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/msp430.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/pe.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/pep.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/ticoff.em (ld_${EMULATION_NAME}_emulation): Likewise. + * emultempl/vanilla.em (ld_vanilla_emulation): Likewise. + + * Makefile.am: Pull in libctf (and zlib, a transitive requirement + for compressed CTF section emission). Pass it on to DejaGNU. + * configure.ac: Add AM_ZLIB. + * aclocal.m4: Added zlib.m4. + * Makefile.in: Regenerated. + * testsuite/ld-bootstrap/bootstrap.exp: Use it when relinking ld. + 2019-10-02 Alan Modra <amodra@gmail.com> * ld.texi (-Bsymbolic, -Bsymbolic-functions): Don't mention PIEs. |