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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [sol2.c] - Rev 297
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/* General Solaris system support. Copyright (C) 2004, 2005 , 2007, 2010 Free Software Foundation, Inc. Contributed by CodeSourcery, LLC. 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 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. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #include "config.h" #include "system.h" #include "coretypes.h" #include "tree.h" #include "output.h" #include "tm.h" #include "rtl.h" #include "tm_p.h" #include "toplev.h" #include "ggc.h" tree solaris_pending_aligns, solaris_pending_inits, solaris_pending_finis; /* Attach any pending attributes for DECL to the list in *ATTRIBUTES. Pending attributes come from #pragma or _Pragma, so this code is only useful in the C family front ends, but it is included in all languages to avoid changing the target machine initializer depending on the language. */ void solaris_insert_attributes (tree decl, tree *attributes) { tree *x, next; if (solaris_pending_aligns != NULL && TREE_CODE (decl) == VAR_DECL) for (x = &solaris_pending_aligns; *x; x = &TREE_CHAIN (*x)) { tree name = TREE_PURPOSE (*x); tree value = TREE_VALUE (*x); if (DECL_NAME (decl) == name) { if (lookup_attribute ("aligned", DECL_ATTRIBUTES (decl)) || lookup_attribute ("aligned", *attributes)) warning (0, "ignoring %<#pragma align%> for explicitly " "aligned %q+D", decl); else *attributes = tree_cons (get_identifier ("aligned"), value, *attributes); next = TREE_CHAIN (*x); ggc_free (*x); *x = next; break; } } if (solaris_pending_inits != NULL && TREE_CODE (decl) == FUNCTION_DECL) for (x = &solaris_pending_inits; *x; x = &TREE_CHAIN (*x)) { tree name = TREE_PURPOSE (*x); if (DECL_NAME (decl) == name) { *attributes = tree_cons (get_identifier ("init"), NULL, *attributes); TREE_USED (decl) = 1; DECL_PRESERVE_P (decl) = 1; next = TREE_CHAIN (*x); ggc_free (*x); *x = next; break; } } if (solaris_pending_finis != NULL && TREE_CODE (decl) == FUNCTION_DECL) for (x = &solaris_pending_finis; *x; x = &TREE_CHAIN (*x)) { tree name = TREE_PURPOSE (*x); if (DECL_NAME (decl) == name) { *attributes = tree_cons (get_identifier ("fini"), NULL, *attributes); TREE_USED (decl) = 1; DECL_PRESERVE_P (decl) = 1; next = TREE_CHAIN (*x); ggc_free (*x); *x = next; break; } } } /* Output initializer or finalizer entries for DECL to FILE. */ void solaris_output_init_fini (FILE *file, tree decl) { if (lookup_attribute ("init", DECL_ATTRIBUTES (decl))) { fprintf (file, PUSHSECTION_FORMAT, ".init"); ASM_OUTPUT_CALL (file, decl); fprintf (file, "\t.popsection\n"); } if (lookup_attribute ("fini", DECL_ATTRIBUTES (decl))) { fprintf (file, PUSHSECTION_FORMAT, ".fini"); ASM_OUTPUT_CALL (file, decl); fprintf (file, "\t.popsection\n"); } } /* Emit an assembler directive to set symbol for DECL visibility to the visibility type VIS, which must not be VISIBILITY_DEFAULT. */ void solaris_assemble_visibility (tree decl ATTRIBUTE_UNUSED, int vis ATTRIBUTE_UNUSED) { #ifdef HAVE_GAS_HIDDEN /* Sun as uses .symbolic for STV_PROTECTED. STV_INTERNAL is marked as `currently reserved', but the linker treats it like STV_HIDDEN. Sun Studio 12.1 cc emits .hidden instead. There are 3 Sun extensions GCC doesn't yet know about: STV_EXPORTED, STV_SINGLETON, and STV_ELIMINATE. See Linker and Libraries Guide, Ch. 2, Link-Editor, Defining Additional Symbols with a mapfile, http://docs.sun.com/app/docs/doc/819-0690/gdzmc?a=view and Ch. 7, Object-File Format, Symbol Table Section, http://docs.sun.com/app/docs/doc/819-0690/chapter6-79797?a=view */ static const char * const visibility_types[] = { NULL, "symbolic", "hidden", "hidden" }; const char *name, *type; name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); type = visibility_types[vis]; fprintf (asm_out_file, "\t.%s\t", type); assemble_name (asm_out_file, name); fprintf (asm_out_file, "\n"); #else warning (OPT_Wattributes, "visibility attribute not supported " "in this configuration; ignored"); #endif }
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