diff options
Diffstat (limited to 'gcc/config/i386/midipix.h')
| -rw-r--r-- | gcc/config/i386/midipix.h | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/gcc/config/i386/midipix.h b/gcc/config/i386/midipix.h new file mode 100644 index 000000000..7aa61af25 --- /dev/null +++ b/gcc/config/i386/midipix.h @@ -0,0 +1,375 @@ +/*****************************************************************************/ +/* */ +/* 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 |