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|
/*****************************************************************************/
/* */
/* midipix target definitions */
/* */
/* Copyright (C) 2014,2015 Z. Gilboa */
/* */
/* This program 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 of the License, or */
/* (at your option) any later version. */
/* */
/* This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
/* */
/*****************************************************************************/
#include <stdio.h>
#include "coretypes.h"
/* identify targets */
#define TARGET_NT64 (TARGET_64BIT)
#define TARGET_NT32 (!TARGET_64BIT)
/* target constraints */
#undef TARGET_SEH
#define TARGET_SEH (flag_unwind_tables)
#undef MAX_OFILE_ALIGNMENT
#define MAX_OFILE_ALIGNMENT (8 * (2 * 4096))
#define NT64_MAX_STACK_ALIGNMENT (8 * 16)
#define NT32_MAX_STACK_ALIGNMENT MAX_OFILE_ALIGNMENT
#define NT64_STACK_BOUNDARY (8 * 16)
#define NT32_STACK_BOUNDARY BITS_PER_WORD
#undef MAX_STACK_ALIGNMENT
#define MAX_STACK_ALIGNMENT (TARGET_NT64 \
? NT64_MAX_STACK_ALIGNMENT \
: NT32_MAX_STACK_ALIGNMENT)
#undef STACK_BOUNDARY
#define STACK_BOUNDARY (TARGET_NT64) \
? (NT64_STACK_BOUNDARY) \
: (NT32_STACK_BOUNDARY)
#undef STACK_CHECK_BUILTIN
#define STACK_CHECK_BUILTIN (1)
#undef STACK_CHECK_STATIC_BUILTIN
#define STACK_CHECK_STATIC_BUILTIN (1)
#undef DEFAULT_ABI
#define DEFAULT_ABI (TARGET_NT64) \
? MS_ABI \
: SYSV_ABI
#undef MULTIPLE_SYMBOL_SPACES
#define MULTIPLE_SYMBOL_SPACES (1)
#undef MS_AGGREGATE_RETURN
#define MS_AGGREGATE_RETURN (0)
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN (0)
#undef NO_PROFILE_COUNTERS
#define NO_PROFILE_COUNTERS (1)
#undef NT_MANDATED_FLAG_PIC
#define NT_MANDATED_FLAG_PIC (TARGET_NT64) \
? (flag_pic ? 1 : 0 ) \
: 0
#undef SUBTARGET_OVERRIDE_OPTIONS
#define SUBTARGET_OVERRIDE_OPTIONS do { \
flag_pic = NT_MANDATED_FLAG_PIC; \
} while (0)
#undef PCC_BITFIELD_TYPE_MATTERS
#define PCC_BITFIELD_TYPE_MATTERS (1)
#define TARGET_OS_CPP_BUILTINS midipix_target_os_cpp_builtins
#define EXTRA_OS_CPP_BUILTINS midipix_extra_os_cpp_builtins
/* general target options */
#undef TARGET_PECOFF
#define TARGET_PECOFF (1)
#undef TARGET_EXECUTABLE_SUFFIX
#define TARGET_EXECUTABLE_SUFFIX ""
#undef MATH_LIBRARY
#define MATH_LIBRARY ""
#undef CHECK_STACK_LIMIT
#define CHECK_STACK_LIMIT (4096 - (8*32))
#undef TARGET_DLLIMPORT_DECL_ATTRIBUTES
#define TARGET_DLLIMPORT_DECL_ATTRIBUTES (1)
#undef TARGET_POSIX_IO
#define TARGET_POSIX_IO (1)
#undef TARGET_SUBTARGET_DEFAULT
#define TARGET_SUBTARGET_DEFAULT (MASK_ALIGN_DOUBLE \
| MASK_STACK_PROBE \
| MASK_80387 \
| MASK_IEEE_FP \
| MASK_FLOAT_RETURNS)
/* assembler options */
#undef HAVE_GAS_PE_SECREL32_RELOC
#define HAVE_GAS_PE_SECREL32_RELOC (1)
#undef HAVE_GAS_BALIGN_AND_P2ALIGN
#define HAVE_GAS_BALIGN_AND_P2ALIGN (1)
#undef SUPPORTS_ONE_ONLY
#define SUPPORTS_ONE_ONLY (1)
#undef GAS_SPACE
#define GAS_SPACE " "
#undef GAS_TAB
#define GAS_TAB "\t"
#undef GAS_SECTION
#define GAS_SECTION GAS_TAB ".section" GAS_SPACE
#undef DRECTVE_SECTION_NAME
#define DRECTVE_SECTION_NAME ".drectve"
#undef RODATA_SECTION_NAME
#define RODATA_SECTION_NAME ".rdata,\"r\""
#undef GAS_PE_ASM_SET_OP
#define GAS_PE_ASM_SET_OP "\t.set\t"
#undef SET_ASM_OP
#define SET_ASM_OP GAS_PE_ASM_SET_OP
#undef READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION_ASM_OP GAS_SECTION RODATA_SECTION_NAME
#undef TARGET_EMUTLS_VAR_SECTION_EMUTLS
#define TARGET_EMUTLS_VAR_SECTION_EMUTLS
/* debugging options */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#undef DWARF_FRAME_REGISTERS
#define DWARF_FRAME_REGISTERS (TARGET_NT64 ? 33 : 17)
#undef DBX_DEBUGGING_INFO
#define DBX_DEBUGGING_INFO (1)
#undef SDB_DEBUGGING_INFO
#define SDB_DEBUGGING_INFO (1)
#undef DWARF2_DEBUGGING_INFO
#define DWARF2_DEBUGGING_INFO (1)
#undef HAVE_ENABLE_EXECUTE_STACK
#define HAVE_ENABLE_EXECUTE_STACK (1)
#undef CHECK_EXECUTE_STACK_ENABLED
#define CHECK_EXECUTE_STACK_ENABLED (1)
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) midipix_dbx_get_register_number(n)
#undef DWARF_FRAME_REGNUM
#define DWARF_FRAME_REGNUM(n) midipix_dbx_get_dwarf_frame_register_number(n)
#undef ASM_OUTPUT_DWARF_OFFSET
#define ASM_OUTPUT_DWARF_OFFSET midipix_asm_output_dwarf_offset
/* assembler labels */
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX (TARGET_NT64 ? "" : "_")
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX (TARGET_NT64 ? "." : "")
#undef LPREFIX
#define LPREFIX (TARGET_NT64 ? ".L" : "L")
#undef ASM_COMMENT_START
#define ASM_COMMENT_START "\t#"
#undef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF midipix_asm_output_label_ref
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL midipix_asm_generate_internal_label
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME midipix_asm_declare_object_name
#undef ASM_OUTPUT_DEF_FROM_DECLS
#define ASM_OUTPUT_DEF_FROM_DECLS midipix_asm_output_def_from_decls
#undef ASM_OUTPUT_EXTERNAL
#define ASM_OUTPUT_EXTERNAL midipix_asm_output_external
#undef ASM_OUTPUT_EXTERNAL_LIBCALL
#define ASM_OUTPUT_EXTERNAL_LIBCALL midipix_asm_output_external_libcall
#undef TARGET_USE_LOCAL_THUNK_ALIAS_P
#define TARGET_USE_LOCAL_THUNK_ALIAS_P midipix_target_use_local_thunk_alias
#undef drectve_section
#define drectve_section midipix_asm_drectve_section
/* common target hooks */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME midipix_i386_pe_start_function
#undef ASM_DECLARE_FUNCTION_SIZE
#define ASM_DECLARE_FUNCTION_SIZE midipix_i386_pe_end_function
#undef TARGET_ASM_ASSEMBLE_VISIBILITY
#define TARGET_ASM_ASSEMBLE_VISIBILITY midipix_i386_pe_assemble_visibility
#undef TARGET_ASM_FILE_END
#define TARGET_ASM_FILE_END i386_pe_file_end
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS asm_output_aligned_bss
#undef ASM_OUTPUT_ALIGNED_DECL_COMMON
#define ASM_OUTPUT_ALIGNED_DECL_COMMON i386_pe_asm_output_aligned_decl_common
#undef TARGET_ASM_UNIQUE_SECTION
#define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section
#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION i386_pe_asm_named_section
#undef TARGET_SECTION_TYPE_FLAGS
#define TARGET_SECTION_TYPE_FLAGS i386_pe_section_type_flags
#undef TARGET_MANGLE_ASSEMBLER_NAME
#define TARGET_MANGLE_ASSEMBLER_NAME i386_pe_mangle_assembler_name
#undef SUBTARGET_ENCODE_SECTION_INFO
#define SUBTARGET_ENCODE_SECTION_INFO i386_pe_encode_section_info
#undef TARGET_VALID_DLLIMPORT_ATTRIBUTE_P
#define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P i386_pe_valid_dllimport_attribute_p
#undef TARGET_CXX_ADJUST_CLASS_AT_DEFINITION
#define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION i386_pe_adjust_class_at_definition
#undef SUBTARGET_MANGLE_DECL_ASSEMBLER_NAME
#define SUBTARGET_MANGLE_DECL_ASSEMBLER_NAME i386_pe_mangle_decl_assembler_name
#undef TARGET_ASM_RELOC_RW_MASK
#define TARGET_ASM_RELOC_RW_MASK midipix_i386_pe_reloc_rw_mask
/* libgcc */
#define __CXX_SEH__ (1)
#define LIBGCC2_TF_CEXT q
#define LIBGCC2_TF_SIZE 113
#undef TF_SIZE
#define TF_SIZE LIBGCC2_TF_SIZE
#undef LIBGCC2_HAS_TF_MODE
#define LIBGCC2_HAS_TF_MODE (1)
/* source compatibility: seh prototypes */
extern void midipix_seh_hook__pe_seh_init(FILE *);
extern void midipix_seh_hook__pe_seh_end_prologue(FILE *);
extern void midipix_seh_hook__pe_seh_unwind_emit(FILE *, rtx);
extern void midipix_seh_hook__pe_seh_emit_except_personality(rtx);
extern void midipix_seh_hook__pe_seh_init_sections(void);
/* SEH hooks: 64-bit provided by winnt.c, 32-bit (to be) provided by midipix.c */
#define TARGET_ASM_UNWIND_EMIT midipix_seh_hook__pe_seh_unwind_emit
#define TARGET_ASM_FUNCTION_END_PROLOGUE midipix_seh_hook__pe_seh_end_prologue
#define TARGET_ASM_EMIT_EXCEPT_PERSONALITY midipix_seh_hook__pe_seh_emit_except_personality
#define TARGET_ASM_INIT_SECTIONS midipix_seh_hook__pe_seh_init_sections
#define SUBTARGET_ASM_UNWIND_INIT midipix_seh_hook__pe_seh_init
/* target-specific definitions */
#ifndef IN_TARGET_LIBRARY_BUILD
#undef BIGGEST_FIELD_ALIGNMENT
#define BIGGEST_FIELD_ALIGNMENT (8 * __CHAR_BIT__)
#undef ASM_WEAKEN_DECL
#define ASM_WEAKEN_DECL midipix_i386_pe_asm_weaken_decl
#undef ASM_WEAKEN_LABEL
#define ASM_WEAKEN_LABEL midipix_i386_pe_asm_weaken_label
#undef TARGET_ASM_FUNCTION_SECTION
#define TARGET_ASM_FUNCTION_SECTION midipix_i386_pe_function_section
/* forward declarations */
extern void builtin_define_std (const char *);
extern void midipix_asm_drectve_section (void);
extern void midipix_asm_generate_internal_label (char * strbuf, const char * prefix, unsigned long number);
extern int midipix_target_use_local_thunk_alias(tree decl);
extern void midipix_i386_pe_assemble_visibility (tree decl, int visible);
extern void midipix_asm_output_external (FILE * asmout, tree decl, const char * name);
extern void midipix_asm_output_def_from_decls (FILE * asmout, tree decl, tree target);
extern void midipix_asm_output_external_libcall (FILE * asmout, rtx fn);
extern void midipix_asm_declare_object_name (FILE * asmout, const char * name, tree decl);
extern void midipix_i386_pe_start_function (FILE * asmout, const char * name, tree decl);
extern void midipix_i386_pe_end_function (FILE * asmout, const char * name, tree decl);
extern void midipix_asm_output_label_ref (FILE * asmout, const char * name);
extern void midipix_i386_pe_asm_weaken_label (FILE * asmout, const char * name);
extern void midipix_i386_pe_asm_weaken_decl (FILE * asmout, tree decl, const char * name, const char * alias);
extern void midipix_asm_output_dwarf_offset (FILE * asmout, unsigned size, const char * label, section * section);
extern unsigned int midipix_dbx_get_register_number (unsigned int n);
extern unsigned int midipix_dbx_get_dwarf_frame_register_number (unsigned int n);
extern section * midipix_i386_pe_function_section(
tree decl,
enum node_frequency freq,
bool startup,
bool exit);
/* inlined functions */
static inline void midipix_extra_os_cpp_builtins(void)
{
if (TARGET_NT64)
builtin_define_std("__NT64");
else
builtin_define_std("__NT32");
}
static inline void midipix_target_os_cpp_builtins(void)
{
builtin_define_std("__NTAPI");
builtin_define_std("__MIDIPIX");
midipix_extra_os_cpp_builtins();
}
static inline int midipix_i386_pe_reloc_rw_mask (void)
{
return 0;
}
#endif
|
