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| author | Nathan Sidwell <nathan@codesourcery.com> | 2008-04-27 15:35:19 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2008-04-27 15:35:19 +0000 |
| commit | feb60f0328c33740a09678e40a6f27e655e43b91 (patch) | |
| tree | 2fa1779872e1658a836ad7c6225a1303bfacea23 /gcc/c-common.c | |
| parent | f509e2962970850d4b6cb465a7ceaa4af9c5f8d0 (diff) | |
| download | gcc-feb60f0328c33740a09678e40a6f27e655e43b91.zip gcc-feb60f0328c33740a09678e40a6f27e655e43b91.tar.gz gcc-feb60f0328c33740a09678e40a6f27e655e43b91.tar.bz2 | |
targhooks.h (default_emutls_var_fields, [...]): Declare.
* targhooks.h (default_emutls_var_fields,
default_emutls_var_init): Declare.
* tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
* target.h (struct gcc_target): Add struct emutls member.
* target-def.h (TARGET_EMUTLS_GET_ADDRESS,
TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
(TARGET_INITIALIZER): Add TARGET_EMUTLS.
* builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
* dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
emit debug information.
* coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
* varasm.c: Include targhooks.h.
(emutls_object_section, emutls_tmpl_section): New.
(EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
(EMUTLS_SEPARATOR): New.
(prefix_name): New.
(get_emutls_object_name): New.
(default_emutls_var_fields): New, broken out of ...
(get_emutls_object_type): ... here. Adjust to use target hooks.
(get_emutls_init_templ_addr): Adjust to use target hooks.
(emutls_decl): Adjust to use target hooks.
(emutls_finish): Likewise.
(default_emutls_var_init): New, broken out of ...
(assemble_variable): ... here. Adjust to use target hooks.
* output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
SECCAT_EMUTLS_TMPL.
* c-common.c (handle_section_attribute): Prevent overriding
sections for emulated tls with special sections.
* config/i386/i386.c (x86_64_elf_select_section): Add
SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
(x86_64_elf_unique_section): Likewise.
* config/vxworks.c: Include tree.h.
(vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
(vxworks_override_options): Set TLS scheme.
* gcc/doc/tm.texi (Emulated TLS): New node.
gcc/testsuite/
* gcc.dg/tls/section-2.c: New.
* gcc.dg/tls/emutls-1.c: New.
* lib/target-supports.exp (check_effective_target_tls_native):
Exclude vxworks.
From-SVN: r134729
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index d110b32..5858523 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -5476,6 +5476,13 @@ handle_section_attribute (tree *node, tree ARG_UNUSED (name), tree args, *node); *no_add_attrs = true; } + else if (TREE_CODE (decl) == VAR_DECL + && !targetm.have_tls && targetm.emutls.tmpl_section + && DECL_THREAD_LOCAL_P (decl)) + { + error ("section of %q+D cannot be overridden", *node); + *no_add_attrs = true; + } else DECL_SECTION_NAME (decl) = TREE_VALUE (args); } |