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authorAlan Modra <amodra@gmail.com>2003-02-09 04:36:44 +0000
committerAlan Modra <amodra@gmail.com>2003-02-09 04:36:44 +0000
commite5096e3f2d2822589cf431de5db6d339fd4656bc (patch)
tree08abbaf868263cc66412d03455c3125bd736fd84 /ld
parent951fd09be7516710f20dfd12e7946b46d68e73e4 (diff)
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* emultempl/ppc64elf.em: Add "no-tls-optimize" option and support code.
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog4
-rw-r--r--ld/emultempl/ppc64elf.em44
2 files changed, 32 insertions, 16 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index a173f83..871bcde 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,7 @@
+2003-02-09 Alan Modra <amodra@bigpond.net.au>
+
+ * emultempl/ppc64elf.em: Add "no-tls-optimize" option and support code.
+
2003-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* hppaelf.em (group_size): Change default to -1.
diff --git a/ld/emultempl/ppc64elf.em b/ld/emultempl/ppc64elf.em
index 29bfbe6..20fe0a3 100644
--- a/ld/emultempl/ppc64elf.em
+++ b/ld/emultempl/ppc64elf.em
@@ -41,6 +41,9 @@ static bfd_signed_vma group_size = 1;
/* Whether to add ".foo" entries for each "foo" in a version script. */
static int dotsyms = 1;
+/* Whether to run tls optimization. */
+static int notlsopt = 0;
+
static void ppc_create_output_section_statements
PARAMS ((void));
static void ppc_after_open
@@ -101,20 +104,23 @@ ppc_before_allocation ()
return;
}
- /* Size the sections. This is premature, but we want to know the
- TLS segment layout so that certain optimizations can be done. */
- lang_size_sections (stat_ptr->head, abs_output_section,
- &stat_ptr->head, 0, (bfd_vma) 0, NULL);
-
- if (!ppc64_elf_tls_optimize (output_bfd, &link_info))
+ if (ppc64_elf_tls_setup (output_bfd, &link_info) && !notlsopt)
{
- einfo ("%X%P: TLS problem %E\n");
- return;
+ /* Size the sections. This is premature, but we want to know the
+ TLS segment layout so that certain optimizations can be done. */
+ lang_size_sections (stat_ptr->head, abs_output_section,
+ &stat_ptr->head, 0, (bfd_vma) 0, NULL);
+
+ if (!ppc64_elf_tls_optimize (output_bfd, &link_info))
+ {
+ einfo ("%X%P: TLS problem %E\n");
+ return;
+ }
+
+ lang_reset_memory_regions ();
}
gld${EMULATION_NAME}_before_allocation ();
-
- lang_reset_memory_regions ();
}
struct hook_stub_info
@@ -457,6 +463,7 @@ PARSE_AND_LIST_PROLOGUE='
#define OPTION_STUBGROUP_SIZE 301
#define OPTION_DOTSYMS (OPTION_STUBGROUP_SIZE + 1)
#define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1)
+#define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1)
'
# The options are repeated below so that no abbreviations are allowed.
@@ -468,6 +475,8 @@ PARSE_AND_LIST_LONGOPTS='
{ "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
{ "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
{ "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
+ { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
+ { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
'
PARSE_AND_LIST_OPTIONS='
@@ -489,6 +498,9 @@ PARSE_AND_LIST_OPTIONS='
fprintf (file, _("\
--no-dotsyms Don'\''t do anything special in version scripts.\n"
));
+ fprintf (file, _("\
+ --no-tls-optimize Don'\''t try to optimize TLS accesses.\n"
+ ));
'
PARSE_AND_LIST_ARGS_CASES='
@@ -502,15 +514,15 @@ PARSE_AND_LIST_ARGS_CASES='
break;
case OPTION_DOTSYMS:
- {
- dotsyms = 1;
- }
+ dotsyms = 1;
break;
case OPTION_NO_DOTSYMS:
- {
- dotsyms = 0;
- }
+ dotsyms = 0;
+ break;
+
+ case OPTION_NO_TLS_OPT:
+ notlsopt = 1;
break;
'