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| author | Alan Modra <amodra@gmail.com> | 2015-02-02 21:48:46 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2015-02-02 21:54:10 +1030 |
| commit | 6c2573b7abfc3a504b902e46169cc521b6aa5eb7 (patch) | |
| tree | 070a15300ba57dbe7d10160875e049edb4ad7d38 | |
| parent | 0c4bd9d97731e2cdff46efa7e7325e4716641a59 (diff) | |
| download | gdb-6c2573b7abfc3a504b902e46169cc521b6aa5eb7.zip gdb-6c2573b7abfc3a504b902e46169cc521b6aa5eb7.tar.gz gdb-6c2573b7abfc3a504b902e46169cc521b6aa5eb7.tar.bz2 | |
xlc -z relro toc section fixes
Moving .toc out of .got caused us to lose toc sorting and multi-toc
support.
* emultempl/ppc64elf.em (toc_section_name): New var.
(ppc_after_open): Set it.
(ppc_before_allocation): Use it.
(gld${EMULATION_NAME}_after_allocation): Here too.
| -rw-r--r-- | ld/ChangeLog | 7 | ||||
| -rw-r--r-- | ld/emultempl/ppc64elf.em | 10 |
2 files changed, 15 insertions, 2 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index c889769..472cf36 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,10 @@ +2015-02-02 Alan Modra <amodra@gmail.com> + + * emultempl/ppc64elf.em (toc_section_name): New var. + (ppc_after_open): Set it. + (ppc_before_allocation): Use it. + (gld${EMULATION_NAME}_after_allocation): Here too. + 2015-01-29 H.J. Lu <hongjiu.lu@intel.com> * ldfile.c (ldfile_try_open_bfd): Replace plugin_active_plugins_p() diff --git a/ld/emultempl/ppc64elf.em b/ld/emultempl/ppc64elf.em index 5a784fd..fd9a3ce 100644 --- a/ld/emultempl/ppc64elf.em +++ b/ld/emultempl/ppc64elf.em @@ -62,6 +62,8 @@ static int no_toc_opt = 0; /* Whether to sort input toc and got sections. */ static int no_toc_sort = 0; +/* Input .toc sections will be placed in this output section. */ +static const char *toc_section_name = ".got"; static asection *toc_section = 0; /* This is called before the input files are opened. We create a new @@ -124,6 +126,10 @@ ppc_after_open (void) else i = &(*i)->next; } + /* Instead, .toc input sections will be mapped to the + read/write .toc output section. If user scripts don't + provide one then we'll lose toc sorting and multi-toc. */ + toc_section_name = ".toc"; } } gld${EMULATION_NAME}_after_open (); @@ -301,7 +307,7 @@ ppc_before_allocation (void) { lang_output_section_statement_type *toc_os; - toc_os = lang_output_section_find (".got"); + toc_os = lang_output_section_find (toc_section_name); if (toc_os != NULL) sort_toc_sections (&toc_os->children, NULL, NULL); } @@ -504,7 +510,7 @@ gld${EMULATION_NAME}_after_allocation (void) if (!params.no_multi_toc) { toc_section = bfd_get_section_by_name (link_info.output_bfd, - ".got"); + toc_section_name); if (toc_section != NULL) lang_for_each_statement (build_toc_list); } |