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jeremybenn |
/* Definitions of target machine for GNU compiler, for ARM with PE obj format.
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Copyright (C) 1995, 1996, 1999, 2000, 2002, 2003, 2004, 2005, 2007, 2011
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Free Software Foundation, Inc.
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Contributed by Doug Evans (dje@cygnus.com).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Enable PE specific code. */
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#define ARM_PE 1
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#define ARM_PE_FLAG_CHAR '@'
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/* Ensure that @x. will be stripped from the function name. */
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#undef SUBTARGET_NAME_ENCODING_LENGTHS
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#define SUBTARGET_NAME_ENCODING_LENGTHS \
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case ARM_PE_FLAG_CHAR: return 3;
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#undef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX "_"
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/* Run-time Target Specification. */
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/* Get tree.c to declare a target-specific specialization of
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merge_decl_attributes. */
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#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC "-D__pe__"
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_NOP_FUN_DLLIMPORT)
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#undef MULTILIB_DEFAULTS
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#define MULTILIB_DEFAULTS \
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{ "marm", "mlittle-endian", "mfloat-abi=soft", "mno-thumb-interwork" }
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "short unsigned int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 16
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/* r11 is fixed. */
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#undef SUBTARGET_CONDITIONAL_REGISTER_USAGE
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#define SUBTARGET_CONDITIONAL_REGISTER_USAGE \
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fixed_regs [11] = 1; \
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call_used_regs [11] = 1;
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/* PE/COFF uses explicit import from shared libraries. */
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#define MULTIPLE_SYMBOL_SPACES 1
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#define TARGET_ASM_UNIQUE_SECTION arm_pe_unique_section
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#define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section
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#define SUPPORTS_ONE_ONLY 1
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/* Switch into a generic section. */
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#undef TARGET_ASM_NAMED_SECTION
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#define TARGET_ASM_NAMED_SECTION default_pe_asm_named_section
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#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
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/* Output a reference to a label. */
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#undef ASM_OUTPUT_LABELREF
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#define ASM_OUTPUT_LABELREF(STREAM, NAME) \
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asm_fprintf (STREAM, "%U%s", arm_strip_name_encoding (NAME))
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/* Output a function definition label. */
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#undef ASM_DECLARE_FUNCTION_NAME
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#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
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do \
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{ \
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if (arm_dllexport_name_p (NAME)) \
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{ \
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drectve_section (); \
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fprintf (STREAM, "\t.ascii \" -export:%s\"\n", \
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arm_strip_name_encoding (NAME)); \
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switch_to_section (function_section (DECL)); \
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} \
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ARM_DECLARE_FUNCTION_NAME (STREAM, NAME, DECL); \
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if (TARGET_THUMB) \
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fprintf (STREAM, "\t.code 16\n"); \
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ASM_OUTPUT_LABEL (STREAM, NAME); \
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} \
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while (0)
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/* Output a common block. */
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#undef ASM_OUTPUT_COMMON
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#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
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do \
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{ \
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if (arm_dllexport_name_p (NAME)) \
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{ \
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drectve_section (); \
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fprintf ((STREAM), "\t.ascii \" -export:%s\"\n",\
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arm_strip_name_encoding (NAME)); \
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} \
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if (! arm_dllimport_name_p (NAME)) \
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{ \
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fprintf ((STREAM), "\t.comm\t"); \
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assemble_name ((STREAM), (NAME)); \
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asm_fprintf ((STREAM), ", %d\t%@ %d\n", \
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(int)(ROUNDED), (int)(SIZE)); \
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} \
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} \
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while (0)
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/* Output the label for an initialized variable. */
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#undef ASM_DECLARE_OBJECT_NAME
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#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \
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do \
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{ \
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if (arm_dllexport_name_p (NAME)) \
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{ \
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section *save_section = in_section; \
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drectve_section (); \
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fprintf (STREAM, "\t.ascii \" -export:%s\"\n",\
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arm_strip_name_encoding (NAME)); \
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switch_to_section (save_section); \
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} \
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ASM_OUTPUT_LABEL ((STREAM), (NAME)); \
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} \
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while (0)
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/* Support the ctors/dtors and other sections. */
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#define DRECTVE_SECTION_ASM_OP "\t.section .drectve"
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#define drectve_section() \
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(fprintf (asm_out_file, "%s\n", DRECTVE_SECTION_ASM_OP), \
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in_section = NULL)
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