Hi! On Mon, 4 Mar 2024 at 18:44, Evgeny Karpov <evgeny.kar...@microsoft.com> wrote: > > From: Zac Walker <zacwal...@microsoft.com> > Date: Fri, 1 Mar 2024 10:49:28 +0100 > Subject: [PATCH v2 08/13] aarch64: Add Cygwin and MinGW environments for > AArch64 > > Define Cygwin and MinGW environment such as types, SEH definitions, > shared libraries, etc. > > gcc/ChangeLog: > > * config.gcc: Add Cygwin and MinGW difinitions. > * config/aarch64/aarch64-protos.h > (mingw_pe_maybe_record_exported_symbol): Declare functions > which are used in Cygwin and MinGW environment. > (mingw_pe_section_type_flags): Likewise. > (mingw_pe_unique_section): Likewise. > (mingw_pe_encode_section_info): Likewise. > * config/aarch64/cygming.h: New file. > --- > gcc/config.gcc | 4 + > gcc/config/aarch64/aarch64-protos.h | 5 + > gcc/config/aarch64/cygming.h | 175 ++++++++++++++++++++++++++++ > 3 files changed, 184 insertions(+) > create mode 100644 gcc/config/aarch64/cygming.h > > diff --git a/gcc/config.gcc b/gcc/config.gcc > index 3aca257c322..4471599454b 100644 > --- a/gcc/config.gcc > +++ b/gcc/config.gcc > @@ -1267,7 +1267,11 @@ aarch64*-*-linux*) > aarch64-*-mingw*) > tm_file="${tm_file} aarch64/aarch64-abi-ms.h" > tm_file="${tm_file} aarch64/aarch64-coff.h" > + tm_file="${tm_file} aarch64/cygming.h" > + tm_file="${tm_file} mingw/mingw32.h" > + tm_file="${tm_file} mingw/mingw-stdint.h" > tmake_file="${tmake_file} aarch64/t-aarch64" > + target_gtfiles="$target_gtfiles \$(srcdir)/config/mingw/winnt.cc" > case ${enable_threads} in > "" | yes | win32) > thread_file='win32' > diff --git a/gcc/config/aarch64/aarch64-protos.h > b/gcc/config/aarch64/aarch64-protos.h > index bd719b992a5..759e1a0f9da 100644 > --- a/gcc/config/aarch64/aarch64-protos.h > +++ b/gcc/config/aarch64/aarch64-protos.h > @@ -1110,6 +1110,11 @@ extern void aarch64_output_patchable_area (unsigned > int, bool); > > extern void aarch64_adjust_reg_alloc_order (); > > +extern void mingw_pe_maybe_record_exported_symbol (tree, const char *, int); > +extern unsigned int mingw_pe_section_type_flags (tree, const char *, int); > +extern void mingw_pe_unique_section (tree, int); > +extern void mingw_pe_encode_section_info (tree, rtx, int); > + > bool aarch64_optimize_mode_switching (aarch64_mode_entity); > void aarch64_restore_za (rtx); > > diff --git a/gcc/config/aarch64/cygming.h b/gcc/config/aarch64/cygming.h > new file mode 100644 > index 00000000000..2f239c42a89 > --- /dev/null > +++ b/gcc/config/aarch64/cygming.h > @@ -0,0 +1,175 @@ > +/* Operating system specific defines to be used when targeting GCC for > + hosting on Windows32, using a Unix style C library and tools. > + Copyright (C) 1995-2024 Free Software Foundation, Inc. > + > +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/>. */ > + > +#ifndef GCC_AARCH64_CYGMING_H > +#define GCC_AARCH64_CYGMING_H > + > +#undef PREFERRED_DEBUGGING_TYPE > +#define PREFERRED_DEBUGGING_TYPE DINFO_TYPE_NONE > + > +#define FASTCALL_PREFIX '@' > + > +#define print_reg(rtx, code, file) > + > +#define SYMBOL_FLAG_DLLIMPORT 0 > +#define SYMBOL_FLAG_DLLEXPORT 0 > + > +#define SYMBOL_REF_DLLEXPORT_P(X) \ > + ((SYMBOL_REF_FLAGS (X) & SYMBOL_FLAG_DLLEXPORT) != 0) > + > +/* Disable SEH and declare the required SEH-related macros that are > +still needed for compilation. */ > +#undef TARGET_SEH > +#define TARGET_SEH 0 > + > +#define SSE_REGNO_P(N) 0 > +#define GENERAL_REGNO_P(N) 0 I think you forgot to add a comment to explain the above two lines. (it was requested during v1 review)
Thanks, Christophe > +#define SEH_MAX_FRAME_SIZE 0 > + > +#undef DEFAULT_ABI > +#define DEFAULT_ABI AARCH64_CALLING_ABI_MS > + > +#undef TARGET_PECOFF > +#define TARGET_PECOFF 1 > + > +#include <stdbool.h> > +#ifdef __MINGW32__ > +#include <stdio.h> > +#endif > + > +extern void mingw_pe_asm_named_section (const char *, unsigned int, tree); > +extern void mingw_pe_declare_function_type (FILE *file, const char *name, > + int pub); > + > +#define TARGET_ASM_NAMED_SECTION mingw_pe_asm_named_section > + > +/* Select attributes for named sections. */ > +#define TARGET_SECTION_TYPE_FLAGS mingw_pe_section_type_flags > + > +#define TARGET_ASM_UNIQUE_SECTION mingw_pe_unique_section > +#define TARGET_ENCODE_SECTION_INFO mingw_pe_encode_section_info > + > +/* Declare the type properly for any external libcall. */ > +#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ > + mingw_pe_declare_function_type (FILE, XSTR (FUN, 0), 1) > + > +#define TARGET_OS_CPP_BUILTINS() \ > + do \ > + { \ > + builtin_define ("__MSVCRT__"); \ > + builtin_define ("__MINGW32__"); \ > + builtin_define ("_WIN32"); \ > + builtin_define_std ("WIN32"); \ > + builtin_define_std ("WINNT"); \ > + builtin_define_with_int_value ("_INTEGRAL_MAX_BITS", \ > + TYPE_PRECISION (intmax_type_node)); \ > + builtin_define ("__MINGW64__"); \ > + builtin_define_std ("WIN64"); \ > + builtin_define ("_WIN64"); \ > + builtin_define ("__stdcall=__attribute__((__stdcall__))"); \ > + builtin_define ("__fastcall=__attribute__((__fastcall__))"); \ > + builtin_define ("__thiscall=__attribute__((__thiscall__))"); \ > + builtin_define ("__cdecl=__attribute__((__cdecl__))"); \ > + } \ > + while (0) > + > +/* Windows64 continues to use a 32-bit long type. */ > +#undef LONG_TYPE_SIZE > +#define LONG_TYPE_SIZE 32 > + > +#undef DEFAULT_SIGNED_CHAR > +#define DEFAULT_SIGNED_CHAR 1 > + > +#undef SIZE_TYPE > +#undef PTRDIFF_TYPE > +#define SIZE_TYPE "long long unsigned int" > +#define PTRDIFF_TYPE "long long int" > + > +#undef WCHAR_TYPE_SIZE > +#undef WCHAR_TYPE > +#define WCHAR_TYPE_SIZE 16 > +#define WCHAR_TYPE "short unsigned int" > + > +#define drectve_section() \ > + (fprintf (asm_out_file, "\t.section\t.drectve\n"), \ > + in_section = NULL) > + > + > +/* Enable alias attribute support. */ > +#ifndef SET_ASM_OP > +#define SET_ASM_OP "\t.set\t" > +#endif > + > +/* GNU as supports weak symbols on PECOFF. */ > +#define ASM_WEAKEN_LABEL(FILE, NAME) \ > + do \ > + { \ > + fputs ("\t.weak\t", (FILE)); \ > + assemble_name ((FILE), (NAME)); \ > + fputc ('\n', (FILE)); \ > + } \ > + while (0) > + > +/* Get tree.cc to declare a target-specific specialization of > + merge_decl_attributes. */ > +#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1 > + > +#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \ > + do { \ > + switch (GET_MODE (BODY)) \ > + { > \ > + case E_QImode: \ > + asm_fprintf (STREAM, "\t.byte\t(%LL%d - %LLrtx%d) / 4\n", \ > + VALUE, REL); \ > + break; \ > + case E_HImode: \ > + asm_fprintf (STREAM, "\t.2byte\t(%LL%d - %LLrtx%d) / 4\n", \ > + VALUE, REL); \ > + break; \ > + case E_SImode: \ > + case E_DImode: /* See comment in aarch64_output_casesi. */ \ > + asm_fprintf (STREAM, "\t.word\t(%LL%d - %LLrtx%d) / 4\n", \ > + VALUE, REL); \ > + break; \ > + default: \ > + gcc_unreachable (); \ > + } > \ > + } while (0) > + > +#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rdata,\"dr\"" > + > +#undef SUBTARGET_OVERRIDE_OPTIONS > +#define SUBTARGET_OVERRIDE_OPTIONS \ > + do { \ > + flag_stack_check = STATIC_BUILTIN_STACK_CHECK; \ > + } while (0) > + > + > +#define SUPPORTS_ONE_ONLY 1 > + > +/* Define this to be nonzero if static stack checking is supported. */ > +#define STACK_CHECK_STATIC_BUILTIN 1 > + > +#define HAVE_GAS_ALIGNED_COMM 1 > + > +#undef MAX_OFILE_ALIGNMENT > +#define MAX_OFILE_ALIGNMENT (8192 * 8) > + > +#endif > -- > 2.25.1 >