From: Zac Walker <zacwal...@microsoft.com>
Date: Fri, 1 Mar 2024 01:55:47 +0100
Subject: [PATCH v2 04/13] aarch64: Add aarch64-w64-mingw32 COFF
Define ASM specific for COFF format on AArch64.
gcc/ChangeLog:
* config.gcc: Add COFF format support definitions.
* config/aarch64/aarch64-coff.h: New file.
---
gcc/config.gcc | 1 +
gcc/config/aarch64/aarch64-coff.h | 91 +++++++++++++++++++++++++++++++
2 files changed, 92 insertions(+)
create mode 100644 gcc/config/aarch64/aarch64-coff.h
diff --git a/gcc/config.gcc b/gcc/config.gcc
index b762393b64c..cb6661f44ef 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1266,6 +1266,7 @@ aarch64*-*-linux*)
;;
aarch64-*-mingw*)
tm_file="${tm_file} aarch64/aarch64-abi-ms.h"
+ tm_file="${tm_file} aarch64/aarch64-coff.h"
tmake_file="${tmake_file} aarch64/t-aarch64"
case ${enable_threads} in
"" | yes | win32)
diff --git a/gcc/config/aarch64/aarch64-coff.h
b/gcc/config/aarch64/aarch64-coff.h
new file mode 100644
index 00000000000..79c5a43b970
--- /dev/null
+++ b/gcc/config/aarch64/aarch64-coff.h
@@ -0,0 +1,91 @@
+/* Machine description for AArch64 architecture.
+ Copyright (C) 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_COFF_H
+#define GCC_AARCH64_COFF_H
+
+#include "aarch64.h"
+
+#ifndef LOCAL_LABEL_PREFIX
+# define LOCAL_LABEL_PREFIX ""
+#endif
+
+/* Using long long breaks -ansi and -std=c90, so these will need to be
+ made conditional for an LLP64 ABI. */
+#undef SIZE_TYPE
+#define SIZE_TYPE "long long unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long long int"
+
+#undef LONG_TYPE_SIZE
+#define LONG_TYPE_SIZE 32
+
+#ifndef ASM_GENERATE_INTERNAL_LABEL
+# define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
+ sprintf (STRING, "*%s%s%u", LOCAL_LABEL_PREFIX, PREFIX, (unsigned int)(NUM))
+#endif
+
+#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
+ fprintf (STREAM, "\t.align\t%d\n", (int)POWER)
+
+/* Output a common block. */
+#ifndef ASM_OUTPUT_COMMON
+# define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
+ { \
+ fprintf (STREAM, "\t.comm\t"); \
+ assemble_name (STREAM, NAME); \
+ asm_fprintf (STREAM, ", %d, %d\n", \
+ (int)(ROUNDED), (int)(SIZE)); \
+ }
+#endif
+
+/* Output a local common block. /bin/as can't do this, so hack a
+ `.space' into the bss segment. Note that this is *bad* practice,
+ which is guaranteed NOT to work since it doesn't define STATIC
+ COMMON space but merely STATIC BSS space. */
+#ifndef ASM_OUTPUT_ALIGNED_LOCAL
+# define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
+ { \
+ switch_to_section (bss_section); \
+ ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \
+ ASM_OUTPUT_LABEL (STREAM, NAME); \
+ fprintf (STREAM, "\t.space\t%d\n", (int)(SIZE)); \
+ }
+#endif
+
+#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \
+ fprintf (STREAM, "\t.space\t%d // skip\n", (int) (NBYTES))
+
+#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE)
+#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)
+
+#define TEXT_SECTION_ASM_OP "\t.text"
+#define DATA_SECTION_ASM_OP "\t.data"
+#define BSS_SECTION_ASM_OP "\t.bss"
+
+#define CTORS_SECTION_ASM_OP "\t.section\t.ctors, \"aw\""
+#define DTORS_SECTION_ASM_OP "\t.section\t.dtors, \"aw\""
+
+#define GLOBAL_ASM_OP "\t.global\t"
+
+#undef SUPPORTS_INIT_PRIORITY
+#define SUPPORTS_INIT_PRIORITY 0
+
+#endif
--
2.25.1
