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Diffstat (limited to 'contrib/gcc/config/arm/pe.c')
-rw-r--r-- | contrib/gcc/config/arm/pe.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/contrib/gcc/config/arm/pe.c b/contrib/gcc/config/arm/pe.c deleted file mode 100644 index f2f67d5a96f3..000000000000 --- a/contrib/gcc/config/arm/pe.c +++ /dev/null @@ -1,269 +0,0 @@ -/* Routines for GCC for ARM/pe. - Copyright (C) 1995, 1996, 2000, 2001, 2002, 2004, 2005 - Free Software Foundation, Inc. - Contributed by Doug Evans (dje@cygnus.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 2, 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 COPYING. If not, write to - the Free Software Foundation, 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. */ - -#include "config.h" -#include "system.h" -#include "coretypes.h" -#include "tm.h" -#include "rtl.h" -#include "output.h" -#include "flags.h" -#include "tree.h" -#include "expr.h" -#include "toplev.h" -#include "tm_p.h" - -extern int current_function_anonymous_args; - - -/* Return nonzero if DECL is a dllexport'd object. */ - -tree current_class_type; /* FIXME */ - -int -arm_dllexport_p (decl) - tree decl; -{ - tree exp; - - if (TREE_CODE (decl) != VAR_DECL - && TREE_CODE (decl) != FUNCTION_DECL) - return 0; - exp = lookup_attribute ("dllexport", DECL_ATTRIBUTES (decl)); - if (exp) - return 1; - - return 0; -} - -/* Return nonzero if DECL is a dllimport'd object. */ - -int -arm_dllimport_p (decl) - tree decl; -{ - tree imp; - - if (TREE_CODE (decl) == FUNCTION_DECL - && TARGET_NOP_FUN_DLLIMPORT) - return 0; - - if (TREE_CODE (decl) != VAR_DECL - && TREE_CODE (decl) != FUNCTION_DECL) - return 0; - imp = lookup_attribute ("dllimport", DECL_ATTRIBUTES (decl)); - if (imp) - return 1; - - return 0; -} - -/* Return nonzero if SYMBOL is marked as being dllexport'd. */ - -int -arm_dllexport_name_p (symbol) - const char * symbol; -{ - return symbol[0] == ARM_PE_FLAG_CHAR && symbol[1] == 'e' && symbol[2] == '.'; -} - -/* Return nonzero if SYMBOL is marked as being dllimport'd. */ - -int -arm_dllimport_name_p (symbol) - const char * symbol; -{ - return symbol[0] == ARM_PE_FLAG_CHAR && symbol[1] == 'i' && symbol[2] == '.'; -} - -/* Mark a DECL as being dllexport'd. - Note that we override the previous setting (e.g.: dllimport). */ - -void -arm_mark_dllexport (decl) - tree decl; -{ - const char * oldname; - char * newname; - rtx rtlname; - tree idp; - - rtlname = XEXP (DECL_RTL (decl), 0); - if (GET_CODE (rtlname) == MEM) - rtlname = XEXP (rtlname, 0); - gcc_assert (GET_CODE (rtlname) == SYMBOL_REF); - oldname = XSTR (rtlname, 0); - - if (arm_dllimport_name_p (oldname)) - oldname += 9; - else if (arm_dllexport_name_p (oldname)) - return; /* already done */ - - newname = alloca (strlen (oldname) + 4); - sprintf (newname, "%ce.%s", ARM_PE_FLAG_CHAR, oldname); - - /* We pass newname through get_identifier to ensure it has a unique - address. RTL processing can sometimes peek inside the symbol ref - and compare the string's addresses to see if two symbols are - identical. */ - /* ??? At least I think that's why we do this. */ - idp = get_identifier (newname); - - XEXP (DECL_RTL (decl), 0) = - gen_rtx_SYMBOL_REF (Pmode, IDENTIFIER_POINTER (idp)); -} - -/* Mark a DECL as being dllimport'd. */ - -void -arm_mark_dllimport (decl) - tree decl; -{ - const char * oldname; - char * newname; - tree idp; - rtx rtlname, newrtl; - - rtlname = XEXP (DECL_RTL (decl), 0); - - if (GET_CODE (rtlname) == MEM) - rtlname = XEXP (rtlname, 0); - gcc_assert (GET_CODE (rtlname) == SYMBOL_REF); - oldname = XSTR (rtlname, 0); - - gcc_assert (!arm_dllexport_name_p (oldname)); - if (arm_dllimport_name_p (oldname)) - return; /* already done */ - - /* ??? One can well ask why we're making these checks here, - and that would be a good question. */ - - /* Imported variables can't be initialized. */ - if (TREE_CODE (decl) == VAR_DECL - && !DECL_VIRTUAL_P (decl) - && DECL_INITIAL (decl)) - { - error ("initialized variable %q+D is marked dllimport", decl); - return; - } - /* Nor can they be static. */ - if (TREE_CODE (decl) == VAR_DECL - /* ??? Is this test for vtables needed? */ - && !DECL_VIRTUAL_P (decl) - && 0 /*???*/) - { - error ("static variable %q+D is marked dllimport", decl); - return; - } - - /* `extern' needn't be specified with dllimport. - Specify `extern' now and hope for the best. Sigh. */ - if (TREE_CODE (decl) == VAR_DECL - /* ??? Is this test for vtables needed? */ - && !DECL_VIRTUAL_P (decl)) - { - DECL_EXTERNAL (decl) = 1; - TREE_PUBLIC (decl) = 1; - } - - newname = alloca (strlen (oldname) + 11); - sprintf (newname, "%ci.__imp_%s", ARM_PE_FLAG_CHAR, oldname); - - /* We pass newname through get_identifier to ensure it has a unique - address. RTL processing can sometimes peek inside the symbol ref - and compare the string's addresses to see if two symbols are - identical. */ - /* ??? At least I think that's why we do this. */ - idp = get_identifier (newname); - - newrtl = gen_rtx_MEM (Pmode, - gen_rtx_SYMBOL_REF (Pmode, - IDENTIFIER_POINTER (idp))); - XEXP (DECL_RTL (decl), 0) = newrtl; -} - -void -arm_pe_encode_section_info (decl, rtl, first) - tree decl; - rtx rtl; - int first ATTRIBUTE_UNUSED; -{ - /* This bit is copied from arm_encode_section_info. */ - if (optimize > 0 && TREE_CONSTANT (decl)) - SYMBOL_REF_FLAG (XEXP (rtl, 0)) = 1; - - /* Mark the decl so we can tell from the rtl whether the object is - dllexport'd or dllimport'd. */ - if (arm_dllexport_p (decl)) - arm_mark_dllexport (decl); - else if (arm_dllimport_p (decl)) - arm_mark_dllimport (decl); - /* It might be that DECL has already been marked as dllimport, but a - subsequent definition nullified that. The attribute is gone but - DECL_RTL still has @i.__imp_foo. We need to remove that. */ - else if ((TREE_CODE (decl) == FUNCTION_DECL - || TREE_CODE (decl) == VAR_DECL) - && DECL_RTL (decl) != NULL_RTX - && GET_CODE (DECL_RTL (decl)) == MEM - && GET_CODE (XEXP (DECL_RTL (decl), 0)) == MEM - && GET_CODE (XEXP (XEXP (DECL_RTL (decl), 0), 0)) == SYMBOL_REF - && arm_dllimport_name_p (XSTR (XEXP (XEXP (DECL_RTL (decl), 0), 0), 0))) - { - const char *oldname = XSTR (XEXP (XEXP (DECL_RTL (decl), 0), 0), 0); - tree idp = get_identifier (oldname + 9); - rtx newrtl = gen_rtx_SYMBOL_REF (Pmode, IDENTIFIER_POINTER (idp)); - - XEXP (DECL_RTL (decl), 0) = newrtl; - - /* We previously set TREE_PUBLIC and DECL_EXTERNAL. - ??? We leave these alone for now. */ - } -} - -void -arm_pe_unique_section (decl, reloc) - tree decl; - int reloc; -{ - int len; - const char * name; - char * string; - const char * prefix; - - name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); - name = arm_strip_name_encoding (name); - - /* The object is put in, for example, section .text$foo. - The linker will then ultimately place them in .text - (everything from the $ on is stripped). */ - if (TREE_CODE (decl) == FUNCTION_DECL) - prefix = ".text$"; - else if (decl_readonly_section (decl, reloc)) - prefix = ".rdata$"; - else - prefix = ".data$"; - len = strlen (name) + strlen (prefix); - string = alloca (len + 1); - sprintf (string, "%s%s", prefix, name); - - DECL_SECTION_NAME (decl) = build_string (len, string); -} |