gcc/libgcc/emutls.c

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Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
/* TLS emulation.
Copyright (C) 2006, 2008, 2009 Free Software Foundation, Inc.
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
Contributed by Jakub Jelinek <jakub@redhat.com>.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
#include "tconfig.h"
#include "tsystem.h"
#include "coretypes.h"
#include "tm.h"
#include "gthr.h"
typedef unsigned int word __attribute__((mode(word)));
typedef unsigned int pointer __attribute__((mode(pointer)));
struct __emutls_object
{
word size;
word align;
union {
pointer offset;
void *ptr;
} loc;
void *templ;
};
struct __emutls_array
{
pointer size;
void **data[];
};
void *__emutls_get_address (struct __emutls_object *);
void __emutls_register_common (struct __emutls_object *, word, word, void *);
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
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#ifdef __GTHREADS
#ifdef __GTHREAD_MUTEX_INIT
static __gthread_mutex_t emutls_mutex = __GTHREAD_MUTEX_INIT;
#else
static __gthread_mutex_t emutls_mutex;
#endif
static __gthread_key_t emutls_key;
static pointer emutls_size;
static void
emutls_destroy (void *ptr)
{
struct __emutls_array *arr = ptr;
pointer size = arr->size;
pointer i;
for (i = 0; i < size; ++i)
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
{
if (arr->data[i])
free (arr->data[i][-1]);
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
}
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
free (ptr);
}
static void
emutls_init (void)
{
#ifndef __GTHREAD_MUTEX_INIT
__GTHREAD_MUTEX_INIT_FUNCTION (&emutls_mutex);
#endif
if (__gthread_key_create (&emutls_key, emutls_destroy) != 0)
abort ();
}
#endif
static void *
emutls_alloc (struct __emutls_object *obj)
{
void *ptr;
void *ret;
/* We could use here posix_memalign if available and adjust
emutls_destroy accordingly. */
if (obj->align <= sizeof (void *))
{
ptr = malloc (obj->size + sizeof (void *));
if (ptr == NULL)
abort ();
((void **) ptr)[0] = ptr;
ret = ptr + sizeof (void *);
}
else
{
ptr = malloc (obj->size + sizeof (void *) + obj->align - 1);
if (ptr == NULL)
abort ();
ret = (void *) (((pointer) (ptr + sizeof (void *) + obj->align - 1))
& ~(pointer)(obj->align - 1));
((void **) ret)[-1] = ptr;
}
if (obj->templ)
memcpy (ret, obj->templ, obj->size);
else
memset (ret, 0, obj->size);
return ret;
}
void *
__emutls_get_address (struct __emutls_object *obj)
{
if (! __gthread_active_p ())
{
if (__builtin_expect (obj->loc.ptr == NULL, 0))
obj->loc.ptr = emutls_alloc (obj);
return obj->loc.ptr;
}
#ifndef __GTHREADS
abort ();
#else
pointer offset = obj->loc.offset;
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
if (__builtin_expect (offset == 0, 0))
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
{
static __gthread_once_t once = __GTHREAD_ONCE_INIT;
__gthread_once (&once, emutls_init);
__gthread_mutex_lock (&emutls_mutex);
offset = obj->loc.offset;
if (offset == 0)
{
offset = ++emutls_size;
obj->loc.offset = offset;
}
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
__gthread_mutex_unlock (&emutls_mutex);
}
struct __emutls_array *arr = __gthread_getspecific (emutls_key);
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
if (__builtin_expect (arr == NULL, 0))
{
pointer size = offset + 32;
arr = calloc (size + 1, sizeof (void *));
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
if (arr == NULL)
abort ();
arr->size = size;
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
__gthread_setspecific (emutls_key, (void *) arr);
}
else if (__builtin_expect (offset > arr->size, 0))
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
{
pointer orig_size = arr->size;
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
pointer size = orig_size * 2;
if (offset > size)
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
size = offset + 32;
arr = realloc (arr, (size + 1) * sizeof (void *));
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
if (arr == NULL)
abort ();
arr->size = size;
memset (arr->data + orig_size, 0,
(size - orig_size) * sizeof (void *));
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
__gthread_setspecific (emutls_key, (void *) arr);
}
void *ret = arr->data[offset - 1];
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
if (__builtin_expect (ret == NULL, 0))
{
ret = emutls_alloc (obj);
arr->data[offset - 1] = ret;
Makefile.in (libgcc-support, [...]): Add emutls.c. gcc/ChangeLog: * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c. * builtin-types.def (BT_WORD): Make unsigned. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New. (BUILT_IN_EMUTLS_REGISTER_COMMON): New. * c-decl.c (grokdeclarator): Don't error if !have_tls. * c-parser.c (c_parser_omp_threadprivate): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for emulated tls. * expr.c (emutls_var_address): New. (expand_expr_real_1): Expand emulated tls. (expand_expr_addr_expr_1): Likewise. * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common. * output.h (emutls_finish): Declare. * toplev.c (compile_file): Call it. * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the address before wrapping in CONST. * varasm.c (emutls_htab, emutls_object_type): New. (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New. (get_emutls_object_name, get_emutls_object_type): New. (get_emutls_init_templ_addr, emutls_decl): New. (emutls_common_1, emutls_finish): New. (assemble_variable): When emulating tls, swap decls; generate constructor for the emutls objects. (do_assemble_alias): When emulating tls, swap decl and target name. (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT for emulated tls. * varpool.c (decide_is_variable_needed): Look at force_output. Recurse for emulated tls. (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant with decide_is_variable_needed. * emutls.c: New file. * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit tls_object for real tls. gcc/cp/ChangeLog: * decl.c (grokvardecl): Don't error if !have_tls. (grokdeclarator): Likewise. * parser.c (cp_parser_omp_threadprivate): Likewise. gcc/fortran/ChangeLog: * f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address and __emutls_register_common. * openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls. * trans-common.c (build_common_decl): Don't check have_tls. * trans-decl.c (gfc_finish_var_decl): Likewise. * types.def (BT_WORD, BT_FN_PTR_PTR): New. (BT_FN_VOID_PTR_WORD_WORD_PTR): New. gcc/testsuite/ChangeLog: * lib/target-supports.exp (check_effective_target_tls): Redefine to mean non-emulated tls. * gcc.dg/tls/alias-1.c: Remove tls requirement. * gcc.dg/tls/asm-1.c, gcc.dg/tls/debug-1.c, gcc.dg/tls/diag-1.c, gcc.dg/tls/diag-2.c, gcc.dg/tls/diag-3.c, gcc.dg/tls/diag-4.c, gcc.dg/tls/diag-5.c, gcc.dg/tls/init-1.c, gcc.dg/tls/nonpic-1.c, gcc.dg/tls/opt-10.c, gcc.dg/tls/opt-5.c, gcc.dg/tls/opt-6.c, gcc.dg/tls/opt-8.c, gcc.dg/tls/opt-9.c, gcc.dg/tls/pic-1.c, gcc.dg/tls/struct-1.c, gcc.dg/tls/trivial.c: Likewise. From-SVN: r121800
2007-02-10 20:19:10 +01:00
}
return ret;
#endif
}
void
__emutls_register_common (struct __emutls_object *obj,
word size, word align, void *templ)
{
if (obj->size < size)
{
obj->size = size;
obj->templ = NULL;
}
if (obj->align < align)
obj->align = align;
if (templ && size == obj->size)
obj->templ = templ;
}