+++ /dev/null
-/* Target definitions for GCC for Intel 80386 running Interix
- Parts Copyright (C) 1991-2016 Free Software Foundation, Inc.
-
- Parts:
- by Douglas B. Rupp (drupp@cs.washington.edu).
- by Ron Guilmette (rfg@netcom.com).
- by Donn Terry (donn@softway.com).
- by Mumit Khan (khan@xraylith.wisc.edu).
-
-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 3, 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 COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-/* Note: Interix doesn't support user-written DLLs (use conventional
- shared libs (.so) instead). Thus a lot of the stuff that might apply
- about dllimport/dllexport and the like does not apply here. */
-
-#include <stdio.h>
-
-/* Names to predefine in the preprocessor for this target machine. */
-
-#define DBX_DEBUGGING_INFO 1
-#define SDB_DEBUGGING_INFO 1
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-/* Our strategy for finding global constructors is a bit different, although
- not a lot. */
-#define DO_GLOBAL_CTORS_BODY \
-do { \
- int i; \
- unsigned long nptrs; \
- func_ptr *p; \
- asm( \
- " .section .ctor_head, \"rw\"\n" \
- "1:\n" \
- " .text \n" \
- ASM_LOAD_ADDR(1b,%0) \
- : "=r" (p) : : "cc"); \
- for (nptrs = 0; p[nptrs] != 0; nptrs++); \
- for (i = nptrs-1; i >= 0; i--) \
- p[i] (); \
-} while (0)
-
-#define DO_GLOBAL_DTORS_BODY \
-do { \
- func_ptr *p; \
- asm( \
- " .section .dtor_head, \"rw\"\n" \
- "1:\n" \
- " .text \n" \
- ASM_LOAD_ADDR(1b,%0) \
- : "=r" (p) : : "cc"); \
- while (*p) \
- { \
- p++; \
- (*(p-1)) (); \
- } \
-} while (0)
-
-/* We don't use the "usual" push-an-address solution. */
-#undef TARGET_ASM_CONSTRUCTOR
-
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
-{ "ms-bitfields", MASK_MS_BITFIELD_LAYOUT, N_("Use native (MS) bitfield layout") }, \
-{ "no-ms-bitfields", -MASK_MS_BITFIELD_LAYOUT, N_("Use gcc default bitfield layout") },
-
-#undef LIB_SPEC
-#define LIB_SPEC "\
- %{!shared:%{!dynamic:-lc -lpsxdll \
- }} \
- %{!G:%{!dynamic:-lc -lpsxdll \
- }} \
- %{dynamic:-lc -lpsxdll \
- } \
- %{v}"
-
-#undef LINK_SPEC
-#define LINK_SPEC "%{!shared:-stack 0x4000000,0x10000} \
- %{g} \
- %{dynamic:-Bdynamic} \
- %{static:-Bstatic} \
- %{shared:--shared -Bdynamic} \
- %{G:--shared -Bdynamic} \
- %{symbolic:--shared -Bsymbolic -Bdynamic} \
- %{rpath*:--rpath %*} \
- "
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}} %{shared:crti%O%s}"
-
-#define TARGET_DECLSPEC 1
-
-/* cpp handles __STDC__ */
-#define TARGET_OS_CPP_BUILTINS() \
- do \
- { \
- builtin_define ("__INTERIX"); \
- builtin_define ("_M_IX86=300"); \
- builtin_define ("_X86_=1"); \
- builtin_define ("__stdcall=__attribute__((__stdcall__))"); \
- builtin_define ("__cdecl=__attribute__((__cdecl__))"); \
- builtin_define ("__declspec(x)=__attribute__((x))"); \
- builtin_assert ("system=unix"); \
- builtin_assert ("system=interix"); \
- if (preprocessing_asm_p ()) \
- builtin_define_std ("LANGUAGE_ASSEMBLY"); \
- else \
- { \
- builtin_define_std ("LANGUAGE_C"); \
- if (c_dialect_cxx ()) \
- builtin_define_std ("LANGUAGE_C_PLUS_PLUS"); \
- if (c_dialect_objc ()) \
- builtin_define_std ("LANGUAGE_OBJECTIVE_C"); \
- } \
- } \
- while (0)
-
-#undef CPP_SPEC
-#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
-
-#define SIZE_TYPE "unsigned int"
-#define PTRDIFF_TYPE "int"
-#define WCHAR_TYPE "short unsigned int"
-#define WCHAR_TYPE_SIZE 16
-
-/* Turn off long double being 96 bits. */
-#undef LONG_DOUBLE_TYPE_SIZE
-#define LONG_DOUBLE_TYPE_SIZE 64
-
-#define IX86_NO_LIBGCC_TFMODE
-
-#undef TARGET_LIBC_HAS_FUNCTION
-#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
-
-/* The following are needed for us to be able to use winnt.c, but are not
- otherwise meaningful to Interix. (The functions that use these are
- never called because we don't do DLLs.) */
-#define TARGET_NOP_FUN_DLLIMPORT 1
-#define drectve_section() /* nothing */
-
-
-#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rdata,\"r\""
-
-/* Define this macro if references to a symbol must be treated
- differently depending on something about the variale or
- function named by the symbol (such as what section it is in). */
-
-#undef TARGET_ENCODE_SECTION_INFO
-#define TARGET_ENCODE_SECTION_INFO i386_pe_encode_section_info
-#undef TARGET_STRIP_NAME_ENCODING
-#define TARGET_STRIP_NAME_ENCODING i386_pe_strip_name_encoding_full
-
-/* Emit code to check the stack when allocating more that 4000
- bytes in one go. */
-
-#define CHECK_STACK_LIMIT 4000
-
-/* By default, target has a 80387, uses IEEE compatible arithmetic,
- and returns float values in the 387 and needs stack probes
- We also align doubles to 64-bits forMSVC default compatibility
- Ditto for bitfields. */
-#undef TARGET_SUBTARGET_DEFAULT
-#define TARGET_SUBTARGET_DEFAULT \
- (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE | \
- MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
-
-/* The MS compilers take alignment as a number of bytes, so we do as well */
-#undef ASM_OUTPUT_ALIGN
-#define ASM_OUTPUT_ALIGN(FILE,LOG) \
- if ((LOG)!=0) fprintf ((FILE), "\t.balign %d\n", 1<<(LOG))
-
-
-/* Define this macro if in some cases global symbols from one translation
- unit may not be bound to undefined symbols in another translation unit
- without user intervention. For instance, under Microsoft Windows
- symbols must be explicitly imported from shared libraries (DLLs). */
-/*
- * Old gcc(3.3) did not have 1 here
- */
-#define MULTIPLE_SYMBOL_SPACES 1
-
-extern void i386_pe_unique_section (tree, int);
-#define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section
-
-/* Switch into a generic section. */
-#define TARGET_ASM_NAMED_SECTION default_pe_asm_named_section
-
-/* Select attributes for named sections. */
-#define TARGET_SECTION_TYPE_FLAGS i386_pe_section_type_flags
-
-/* Write the extra assembler code needed to declare a function
- properly. If we are generating SDB debugging information, this
- will happen automatically, so we only need to handle other cases. */
-#undef ASM_DECLARE_FUNCTION_NAME
-#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
- do \
- { \
- if (write_symbols != SDB_DEBUG) \
- i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \
- ASM_OUTPUT_LABEL (FILE, NAME); \
- } \
- while (0)
-
-/* Add an external function to the list of functions to be declared at
- the end of the file. */
-#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
- do \
- { \
- if (TREE_CODE (DECL) == FUNCTION_DECL) \
- i386_pe_record_external_function (DECL, NAME); \
- } \
- while (0)
-
-/* Declare the type properly for any external libcall. */
-#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
- i386_pe_declare_function_type (FILE, XSTR (FUN, 0), 1)
-
-/* This says out to put a global symbol in the BSS section. */
-#undef ASM_OUTPUT_ALIGNED_BSS
-#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
- asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN))
-
-/* Don't assume anything about the header files. */
-#define NO_IMPLICIT_EXTERN_C
-
-/* External function declarations. */
-extern void i386_pe_record_external_function (tree, const char *);
-extern void i386_pe_declare_function_type (FILE *, const char *, int);
-extern void i386_pe_record_exported_symbol (const char *, int);
-extern void i386_pe_asm_file_end (FILE *);
-
-/* For Win32 ABI compatibility */
-#undef DEFAULT_PCC_STRUCT_RETURN
-#define DEFAULT_PCC_STRUCT_RETURN 0
-
-/* A bitfield declared as `int' forces `int' alignment for the struct. */
-#undef PCC_BITFIELD_TYPE_MATTERS
-#define PCC_BITFIELD_TYPE_MATTERS 1
-
-/* Enable alias attribute support. */
-#ifndef SET_ASM_OP
-#define SET_ASM_OP "\t.set\t"
-#endif
-
-/* Note that there appears to be two different ways to support const
- sections at the moment. You can either #define the symbol
- READONLY_DATA_SECTION (giving it some code which switches to the
- readonly data section) or else you can #define the symbols
- EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
- SELECT_RTX_SECTION. We do both here just to be on the safe side. */
-
-#define USE_CONST_SECTION 1
-
-/* The linker will take care of this, and having them causes problems with
- ld -r (specifically -rU). */
-#define CTOR_LISTS_DEFINED_EXTERNALLY 1
-
-/* Output a definition (implements alias) */
-#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
-do \
-{ \
- fputs (SET_ASM_OP, (FILE)); \
- assemble_name (FILE, LABEL1); \
- fputc (',', (FILE)); \
- assemble_name (FILE, LABEL2); \
- fputc ('\n', (FILE)); \
- } \
-while (0)
-
-#define HOST_PTR_AS_INT unsigned long
-
-/* The following two flags are usually "off" for i386, because some non-gnu
- tools (for the i386) don't handle them. However, we don't have that
- problem, so.... */
-
-/* Forward references to tags are allowed. */
-#define SDB_ALLOW_FORWARD_REFERENCES
-/* Unknown tags are also allowed. */
-#define SDB_ALLOW_UNKNOWN_REFERENCES
-/* DWARF2 Unwinding doesn't work with exception handling yet. */
-#define DWARF2_UNWIND_INFO 0
-/* MSVC returns structs of up to 8 bytes via registers. */
-
-#undef SUBTARGET_RETURN_IN_MEMORY
-#define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
- (TYPE_MODE (TYPE) == BLKmode || \
- (AGGREGATE_TYPE_P (TYPE) && int_size_in_bytes(TYPE) > 8 ))
-
-#define ASM_LOAD_ADDR(loc, reg) " leal " #loc "," #reg "\n"
-
-/* The integer half of this list needs to be constant. However, there's
- a lot of disagreement about what the floating point adjustments should
- be. We pick one that works with gdb. (The underlying problem is
- what to do about the segment registers. Since we have access to them
- from /proc, we'll allow them to be accessed in gdb, even tho the
- gcc compiler can't generate them. (There's some evidence that
- MSVC does, but possibly only for certain special "canned" sequences.) */
-
-#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(n) \
-(TARGET_64BIT ? dbx64_register_map[n] \
- : (n) == 0 ? (int) 0 \
- : (n) == 1 ? (int) 2 \
- : (n) == 2 ? (int) 1 \
- : (n) == 3 ? (int) 3 \
- : (n) == 4 ? (int) 6 \
- : (n) == 5 ? (int) 7 \
- : (n) == 6 ? (int) 5 \
- : (n) == 7 ? (int) 4 \
- : ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (int) (n)+8 \
- : (int) (-1))
-
-#define EH_FRAME_THROUGH_COLLECT2
-#define EH_TABLES_CAN_BE_READ_ONLY 0
-
-/* the following are OSF linker (not gld) specific... we don't want them */
-#undef HAS_INIT_SECTION
-#undef LD_INIT_SWITCH
-#undef LD_FINI_SWITCH
-
-/* The following are needed for us to be able to use winnt.c, but are not
- otherwise meaningful to Interix. (The functions that use these are
- never called because we don't do DLLs.) */
-#define TARGET_NOP_FUN_DLLIMPORT 1
-#define I386_PE_STRIP_ENCODING(SYM_NAME) \
- ((SYM_NAME) + ((SYM_NAME)[0] == '@' \
- ? ((SYM_NAME)[3] == '*' ? 4 : 3) : 0) \
- + ((SYM_NAME)[0] == '*' ? 1 : 0))
-
-#define drectve_section() /* nothing */
-
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