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-rw-r--r--gcc/config/i386/midipix.c454
-rw-r--r--gcc/config/i386/midipix.h375
-rw-r--r--gcc/config/i386/midipix.opt70
-rw-r--r--gcc/config/i386/midipix_crtbegin.c23
-rw-r--r--gcc/config/i386/midipix_crtend.c23
-rw-r--r--gcc/config/i386/midipix_unwind.c25
-rw-r--r--gcc/config/i386/midipix_winnt_common.h54
-rw-r--r--gcc/config/i386/t-midipix103
8 files changed, 1127 insertions, 0 deletions
diff --git a/gcc/config/i386/midipix.c b/gcc/config/i386/midipix.c
new file mode 100644
index 000000000..412ebfcbb
--- /dev/null
+++ b/gcc/config/i386/midipix.c
@@ -0,0 +1,454 @@
+/*****************************************************************************/
+/* */
+/* midipix target interfaces */
+/* */
+/* 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 "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "rtl.h"
+#include "output.h"
+#include "tree.h"
+#include "flags.h"
+#include "target.h"
+#include "i386-protos.h"
+
+/* common specs */
+const int TARGET_NOP_FUN_DLLIMPORT = 0;
+const int use_pe_aligned_common = 1;
+const int flag_writable_rel_rdata = 0;
+
+/* target SEH providers */
+#define TARGET_SEH_WINNT (TARGET_NT64 && flag_unwind_tables)
+#define TARGET_SEH_MIDIPIX (TARGET_NT32 && flag_unwind_tables)
+
+#undef TARGET_SEH_WINNT
+#undef TARGET_SEH_MIDIPIX
+
+#define TARGET_SEH_WINNT (TARGET_NT64)
+#define TARGET_SEH_MIDIPIX (TARGET_NT32)
+
+/* 64-bit seh provided by winnt */
+void winnt_x86_64_pe_seh_init(FILE *);
+void winnt_x86_64_pe_seh_end_prologue(FILE *);
+void winnt_x86_64_pe_seh_unwind_emit(FILE *, rtx);
+void winnt_x86_64_pe_seh_emit_except_personality(rtx);
+void winnt_x86_64_pe_seh_init_sections(void);
+
+
+/* 32-bit seh provided by midipix */
+void midipix_i386_pe_seh_init(FILE *);
+void midipix_i386_pe_seh_end_prologue(FILE *);
+void midipix_i386_pe_seh_unwind_emit(FILE *, rtx);
+void midipix_i386_pe_seh_emit_except_personality(rtx);
+void midipix_i386_pe_seh_init_sections(void);
+
+
+/* debugging */
+unsigned int midipix_dbx_get_register_number(unsigned int n)
+{
+ if (TARGET_NT64 )
+ return dbx64_register_map[n];
+ else if (write_symbols == DWARF2_DEBUG)
+ return svr4_dbx_register_map[n];
+ else
+ return dbx_register_map[n];
+}
+
+
+unsigned int midipix_dbx_get_dwarf_frame_register_number(unsigned int n)
+{
+ if (TARGET_NT64)
+ return dbx64_register_map[n];
+ else
+ return svr4_dbx_register_map[n];
+}
+
+
+void midipix_asm_output_dwarf_offset(
+ FILE * gas_exhaled,
+ unsigned size,
+ const char * label,
+ section * section __attribute__((unused)))
+{
+ #define PE_SIZE_IDENTIFIER 4
+ #define PEP_SIZE_IDENTIFIER 8
+
+ extern void assemble_name (FILE *, const char *);
+
+ if ((size == PE_SIZE_IDENTIFIER) || (size == PEP_SIZE_IDENTIFIER)) {
+ fputs ("\t.secrel32\t", gas_exhaled);
+ assemble_name(gas_exhaled, label);
+
+ /* in PE32+, section relocation need to be zero-extended */
+ if (size == PEP_SIZE_IDENTIFIER)
+ fputs ("\n\t.int\t0", gas_exhaled);
+ } else
+ gcc_unreachable();
+}
+
+
+/* assembler labels */
+void midipix_asm_output_label_ref (FILE * gas_exhaled, const char * name)
+{
+ extern const char * user_label_prefix;
+
+ /* in __fastcall labels the @ prefix is already present */
+ if (*name != FASTCALL_PREFIX)
+ fputs(user_label_prefix, gas_exhaled);
+
+ fputs(name, gas_exhaled);
+}
+
+
+void midipix_asm_generate_internal_label (
+ char * strbuf, const char * prefix, unsigned long number)
+{
+ sprintf (strbuf, "*%s%s%ld",
+ LOCAL_LABEL_PREFIX,
+ prefix,
+ number);
+}
+
+
+void midipix_asm_declare_object_name(FILE * gas_exhaled, const char * name, tree decl)
+{
+ extern void assemble_name (FILE *, const char *);
+ extern void i386_pe_maybe_record_exported_symbol (tree, const char *, int);
+
+ i386_pe_maybe_record_exported_symbol(decl, name, true);
+ assemble_name(gas_exhaled, name);
+ fputs (":\n", gas_exhaled);
+}
+
+
+void midipix_asm_drectve_section(void)
+{
+ extern FILE * asm_out_file;
+ extern section * in_section;
+
+ in_section = (section *)0;
+
+ fprintf (asm_out_file, "%s%s\n",
+ GAS_SECTION,
+ DRECTVE_SECTION_NAME);
+}
+
+
+int midipix_target_use_local_thunk_alias(tree decl)
+{
+ return !DECL_ONE_ONLY(decl);
+}
+
+
+void midipix_asm_output_external(
+ FILE * asmout __attribute__((unused)),
+ tree decl,
+ const char * name)
+{
+ if (TREE_CODE(decl) == FUNCTION_DECL)
+ i386_pe_record_external_function(
+ decl,name);
+}
+
+
+void midipix_asm_output_external_libcall (FILE * asmout, rtx fn)
+{
+ i386_pe_declare_function_type(
+ asmout,
+ XSTR(fn,0),
+ true);
+}
+
+
+void midipix_asm_output_def_from_decls(
+ FILE * asmout,
+ tree decl,
+ tree target)
+{
+ const char * sym;
+
+ sym = IDENTIFIER_POINTER(
+ DECL_ASSEMBLER_NAME(decl));
+
+ i386_pe_maybe_record_exported_symbol(
+ decl,sym,false);
+
+ if (TREE_CODE(decl) == FUNCTION_DECL)
+ i386_pe_declare_function_type(
+ asmout,
+ sym,
+ TREE_PUBLIC(decl));
+
+ ASM_OUTPUT_DEF(
+ asmout,
+ sym,
+ IDENTIFIER_POINTER(target));
+}
+
+
+/* visibility */
+void midipix_i386_pe_assemble_visibility (
+ tree decl __attribute__((unused)),
+ int visible __attribute__((unused)))
+{
+ /* todo: add the symbol to a special section (.hidden),
+ and teach the linker to not export symbols that are
+ listed under that section. */
+}
+
+
+
+
+/* seh hook selectors */
+void midipix_seh_hook__pe_seh_init(FILE * f)
+{
+ if (TARGET_SEH_WINNT)
+ winnt_x86_64_pe_seh_init(f);
+ else if (TARGET_SEH_MIDIPIX)
+ midipix_i386_pe_seh_init(f);
+}
+
+
+void midipix_seh_hook__pe_seh_end_prologue(FILE * f)
+{
+ if (TARGET_SEH_WINNT)
+ winnt_x86_64_pe_seh_end_prologue(f);
+ else if (TARGET_SEH_MIDIPIX)
+ midipix_i386_pe_seh_end_prologue(f);
+}
+
+
+void midipix_seh_hook__pe_seh_unwind_emit(FILE * f, rtx r)
+{
+ if (TARGET_SEH_WINNT)
+ winnt_x86_64_pe_seh_unwind_emit(f,r);
+ else if (TARGET_SEH_MIDIPIX)
+ midipix_i386_pe_seh_unwind_emit(f,r);
+}
+
+
+
+void midipix_seh_hook__pe_seh_emit_except_personality(rtx r)
+{
+ if (TARGET_SEH_WINNT)
+ winnt_x86_64_pe_seh_emit_except_personality(r);
+ else if (TARGET_SEH_MIDIPIX)
+ midipix_i386_pe_seh_emit_except_personality(r);
+}
+
+
+void midipix_seh_hook__pe_seh_init_sections(void)
+{
+ if (TARGET_SEH_WINNT)
+ winnt_x86_64_pe_seh_init_sections();
+ else if (TARGET_SEH_MIDIPIX)
+ midipix_i386_pe_seh_init_sections();
+}
+
+
+
+/* 64-bit seh hooks (winnt) */
+void winnt_x86_64_pe_seh_init(FILE * f)
+{
+ i386_pe_seh_init(f);
+}
+
+
+void winnt_x86_64_pe_seh_end_prologue(FILE * f)
+{
+ i386_pe_seh_end_prologue(f);
+}
+
+
+void winnt_x86_64_pe_seh_unwind_emit(FILE * f, rtx r)
+{
+ i386_pe_seh_unwind_emit(f,r);
+}
+
+
+void winnt_x86_64_pe_seh_emit_except_personality(rtx r __attribute__((unused)))
+{
+ /* i386_pe_seh_emit_except_personality(r); */
+}
+
+
+void winnt_x86_64_pe_seh_init_sections(void)
+{
+ /* i386_pe_seh_init_sections(); */
+}
+
+
+
+/* 32-bit seh hooks (midipix) */
+void midipix_i386_pe_seh_init(FILE * f __attribute__((unused)))
+{
+}
+
+
+void midipix_i386_pe_seh_end_prologue(FILE * f __attribute__((unused)))
+{
+}
+
+
+void midipix_i386_pe_seh_unwind_emit(
+ FILE * f __attribute__((unused)),
+ rtx r __attribute__((unused)))
+{
+}
+
+
+void midipix_i386_pe_seh_emit_except_personality(rtx r __attribute__((unused)))
+{
+}
+
+
+void midipix_i386_pe_seh_init_sections(void)
+{
+}
+
+
+section * midipix_i386_pe_function_section (
+ tree decl,
+ enum node_frequency freq,
+ bool startup,
+ bool exit)
+{
+ extern section * default_function_section (
+ tree decl,
+ enum node_frequency freq,
+ bool startup,
+ bool exit);
+
+ const char * fname;
+ char * secname;
+ size_t size;
+
+ bool weak;
+ section * asm_section;
+
+ weak = (decl && DECL_WEAK (decl));
+
+ if (weak && DECL_ATTRIBUTES(decl) && lookup_attribute (
+ "weak_import",
+ DECL_ATTRIBUTES(decl)))
+ weak = 0;
+
+ fname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs ("\t# <", asm_out_file);
+ assemble_name (asm_out_file, fname);
+ fputs (": section>\n", asm_out_file);
+ #endif
+
+ if (weak) {
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs("\t# (weak symbol section)\n",asm_out_file);
+ #endif
+
+ size = strlen(fname) + 6; /* .text$ */
+
+ if (!(secname = (char *)xmalloc(size)))
+ gcc_unreachable();
+
+ sprintf(secname,".text$%s",fname);
+ asm_section = get_named_section(decl, secname, 1);
+ free(secname);
+ } else if (decl) {
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs("\t# (strong symbol section)\n",asm_out_file);
+ #endif
+
+ asm_section = default_function_section(decl, freq, startup, exit);
+ } else {
+ fputs("\t# should never get here?\n",asm_out_file);
+ asm_section = (section *)0;
+ }
+
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs ("\t# </", asm_out_file);
+ assemble_name (asm_out_file, fname);
+ fputs (": section>\n", asm_out_file);
+ #endif
+
+ return asm_section;
+}
+
+
+void midipix_i386_pe_start_function (FILE * gas_exhaled, const char *name, tree decl)
+{
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs ("\t# <", gas_exhaled);
+ assemble_name (gas_exhaled, name);
+ fputs (">\n", gas_exhaled);
+ #endif
+
+ i386_pe_start_function (gas_exhaled, name, decl);
+}
+
+
+void midipix_i386_pe_end_function (FILE * gas_exhaled, const char * name, tree decl)
+{
+ i386_pe_end_function (gas_exhaled, name, decl);
+
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs ("\t# </", gas_exhaled);
+ assemble_name (gas_exhaled, name);
+ fputs (">\n\n\n", gas_exhaled);
+ #endif
+}
+
+
+void midipix_i386_pe_asm_weaken_decl(
+ FILE * gas_exhaled,
+ tree decl,
+ const char * name,
+ const char * alias __attribute__((unused)))
+{
+ if ((decl) && DECL_EXTERNAL(decl)) {
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs ("\t# (external weak symbol label)\n", gas_exhaled);
+ #endif
+
+ fputs ("\t.weak\t", gas_exhaled);
+ assemble_name (gas_exhaled, name);
+ fputs ("\n", gas_exhaled);
+ } else {
+ #ifdef MIDIPIX_TARGET_DEBUG
+ fputs("\t# (normal weak symbol label)\n", gas_exhaled);
+ #endif
+
+ /* write a patch for ld so that we can use .globl instead */
+ fputs("\t.weak\t", gas_exhaled);
+ assemble_name (gas_exhaled, name);
+ fputs ("\n", gas_exhaled);
+ }
+}
+
+
+void midipix_i386_pe_asm_weaken_label(FILE * gas_exhaled, const char * name)
+{
+ midipix_i386_pe_asm_weaken_decl(
+ gas_exhaled,
+ (tree)0,
+ name,
+ (const char *)0);
+}
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
diff --git a/gcc/config/i386/midipix.opt b/gcc/config/i386/midipix.opt
new file mode 100644
index 000000000..a2c1fa259
--- /dev/null
+++ b/gcc/config/i386/midipix.opt
@@ -0,0 +1,70 @@
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; ;;
+;; midipix target directives ;;
+;; ;;
+;; 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/>. ;;
+;; ;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+posix
+Target
+use interfaces from the posix namespace
+
+mposix
+Target
+always join or create a posix session
+
+mout-implib
+Target
+upon linking the dynamic library foo.so, generate an accompanying import library foo.lib.a
+
+moutput-def
+Target
+upon linking the dynamic library foo.so, generate a corresponding symbol definition file foo.so.def
+
+mntapi
+Target
+operate in a free-standing Native API environment
+
+mtty-console
+Target
+if started by a non-posix parent, create a new instance of /dev/ttydbg, and make that instance the controlling terminal of the current process
+
+mldso
+Target
+use a dynamic loader
+
+mldso-absolute-path
+Target
+use the dynamic loader located at an application-defined absolute path
+
+mldso-default-path
+Target
+use the dynamic loader located at C:\\midipix\\lib
+
+mldso-app-dir-only
+Target
+use the dynamic loader found in the same physical directory as the current process
+
+mldso-root-relative
+Target
+use the dynamic loader found in /lib under a root directory relative to the physical location of the current process
+
+mldso-kernel-driver
+Target
+load dynamic libraries via calls to a custom ldso kernel driver
+
+; Retain blank line above
diff --git a/gcc/config/i386/midipix_crtbegin.c b/gcc/config/i386/midipix_crtbegin.c
new file mode 100644
index 000000000..eae6f7c30
--- /dev/null
+++ b/gcc/config/i386/midipix_crtbegin.c
@@ -0,0 +1,23 @@
+/*****************************************************************************/
+/* */
+/* midipix_crtbegin.c: a standard start file for the midipix targets */
+/* */
+/* 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/>. */
+/* */
+/*****************************************************************************/
+
+int __dso_handle = 0;
+const long __EH_FRAME_BEGIN__ = 0;
diff --git a/gcc/config/i386/midipix_crtend.c b/gcc/config/i386/midipix_crtend.c
new file mode 100644
index 000000000..3f15e8827
--- /dev/null
+++ b/gcc/config/i386/midipix_crtend.c
@@ -0,0 +1,23 @@
+/*****************************************************************************/
+/* */
+/* midipix_crtend.c: a standard end file for the midipix targets */
+/* */
+/* 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/>. */
+/* */
+/*****************************************************************************/
+
+/* required functionality provided by libc and the system call layer */
+typedef int dummy;
diff --git a/gcc/config/i386/midipix_unwind.c b/gcc/config/i386/midipix_unwind.c
new file mode 100644
index 000000000..40168a251
--- /dev/null
+++ b/gcc/config/i386/midipix_unwind.c
@@ -0,0 +1,25 @@
+/*****************************************************************************/
+/* */
+/* midipix unwind functionality */
+/* */
+/* Copyright (C) 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/>. */
+/* */
+/*****************************************************************************/
+
+void * __gcc_personality_seh0(void * arg, ... )
+{
+ return 0;
+}
diff --git a/gcc/config/i386/midipix_winnt_common.h b/gcc/config/i386/midipix_winnt_common.h
new file mode 100644
index 000000000..e6eae2014
--- /dev/null
+++ b/gcc/config/i386/midipix_winnt_common.h
@@ -0,0 +1,54 @@
+/*****************************************************************************/
+/* */
+/* midipix common definitions and source-compatibility layer */
+/* */
+/* 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/>. */
+/* */
+/*****************************************************************************/
+
+#ifndef MIDIPIX_WINNT_COMMON_H
+#define MIDIPIX_WINNT_COMMON_H
+
+/* midipix: source-compatibility: fwritable-relocated-rdata */
+#ifndef IN_TARGET_LIBRARY_BUILD
+ extern const int flag_writable_rel_rdata;
+#else
+ /* always off */
+ const int x_flag_writable_rel_rdata = 0;
+ #define flag_writable_rel_rdata x_flag_writable_rel_rdata
+#endif
+
+
+/* midipix: source-compatibility: mpe-aligned-commons */
+#ifndef IN_TARGET_LIBRARY_BUILD
+ extern const int use_pe_aligned_common;
+#else
+ /* always on */
+ const int x_use_pe_aligned_common = 1;
+ #define use_pe_aligned_common x_use_pe_aligned_common
+#endif
+
+
+/* midipix: source-compatibility: mnop-fun-dllimport */
+#ifndef IN_TARGET_LIBRARY_BUILD
+ extern const int TARGET_NOP_FUN_DLLIMPORT;
+#else
+ /* always off */
+ const int x_TARGET_NOP_FUN_DLLIMPORT = 0;
+ #define TARGET_NOP_FUN_DLLIMPORT x_TARGET_NOP_FUN_DLLIMPORT
+#endif
+
+#endif /* MIDIPIX_WINNT_COMMON_H */
diff --git a/gcc/config/i386/t-midipix b/gcc/config/i386/t-midipix
new file mode 100644
index 000000000..0a05c343f
--- /dev/null
+++ b/gcc/config/i386/t-midipix
@@ -0,0 +1,103 @@
+###############################################################################
+## ##
+## midipix target-specific build recipes ##
+## ##
+## 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/>. ##
+## ##
+###############################################################################
+
+
+midipix_winnt_common.o: s-output $(srcdir)/config/i386/winnt.c \
+ $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
+ $(TM_P_H) $(HASHTAB_H) $(GGC_H) $(LTO_STREAMER_H)
+ $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ --include=$(srcdir)/config/i386/midipix_winnt_common.h \
+ $(srcdir)/config/i386/winnt.c -o midipix_winnt_common.o
+
+
+midipix_winnt_cxx.o: $(srcdir)/config/i386/winnt-cxx.c \
+ $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(TREE_H) flags.h \
+ $(TM_P_H) $(HASHTAB_H) $(GGC_H)
+ $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ --include=$(srcdir)/config/i386/midipix_winnt_common.h \
+ $(srcdir)/config/i386/winnt-cxx.c -o $@
+
+
+midipix_winnt_stubs.o: $(srcdir)/config/i386/winnt-stubs.c \
+ $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
+ $(TM_P_H) $(HASHTAB_H) $(GGC_H)
+ $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ $(srcdir)/config/i386/winnt-stubs.c -o $@
+
+
+midipix.o: $(srcdir)/config/i386/midipix.c coretypes.h
+ $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ $(srcdir)/config/i386/midipix.c -o $@
+
+STMP_FIXINC = stmp-fixinc
+LIMITS_H_TEST = true
+CUSTOM_CRTSTUFF = yes
+
+SHLIB_EXT = .so
+SHLIB_IMPLIB = @shlib_base_name@.lib.a
+SHLIB_SOVERSION = 1
+SHLIB_SONAME = @shlib_base_name@$(EH_MODEL).so
+SHLIB_MAP = @shlib_map_file@
+SHLIB_OBJS = @shlib_objs@
+SHLIB_DIR = @multilib_dir@
+SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
+SHLIB_MKMAP = $(srcdir)/mkmap-flat.awk
+SHLIB_MKMAP_OPTS = -v pe_dll=libgcc_s$(EH_MODEL).so
+SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver
+
+
+SHLIB_LINK = $(GCC_FOR_TARGET) \
+ $(LIBGCC2_CFLAGS) \
+ -shared -mout-implib \
+ -nodefaultlibs \
+ -o $(SHLIB_DIR)/$(SHLIB_SONAME) \
+ $(SHLIB_OBJS) \
+ --sysroot=$$(cbb_sysroot_for_libgcc)
+
+
+SHLIB_INSTALL = \
+ $$(mkinstalldirs) \
+ $$(DESTDIR)$$(SHLIB_DLLDIR) \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
+ $(INSTALL) \
+ $(SHLIB_DIR)/$(SHLIB_SONAME) \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
+ $(INSTALL_DATA) \
+ $(SHLIB_DIR)/$(SHLIB_IMPLIB) \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_IMPLIB); \
+ $(INSTALL_DATA) \
+ $(SHLIB_DIR)/crtbegin.o \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/crtbegin.o; \
+ $(INSTALL_DATA) \
+ $(SHLIB_DIR)/crtbeginS.o \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/crtbeginS.o; \
+ $(INSTALL_DATA) \
+ $(SHLIB_DIR)/crtbeginT.o \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/crtbeginT.o; \
+ $(INSTALL_DATA) \
+ $(SHLIB_DIR)/crtend.o \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/crtend.o; \
+ $(INSTALL_DATA) \
+ $(SHLIB_DIR)/crtendS.o \
+ $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/crtendS.o;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 06:00:24 +0000