/* Target definitions for GCC for Intel 80386 using ELF
- Copyright (C) 1988, 1991, 1995, 2000, 2001, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 1988-2024 Free Software Foundation, Inc.
Derived from sysv4.h written by Ron Guilmette (rfg@netcom.com).
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 2, or (at your option)
+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,
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 COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-/* Use stabs instead of DWARF debug format. */
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-#define TARGET_VERSION fprintf (stderr, " (i386 bare ELF target)");
-
-/* By default, target has a 80387, uses IEEE compatible arithmetic,
- and returns float values in the 387. */
-
-#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
-
-/* The ELF ABI for the i386 says that records and unions are returned
- in memory. */
-
-#undef RETURN_IN_MEMORY
-#define RETURN_IN_MEMORY(TYPE) \
- (TYPE_MODE (TYPE) == BLKmode \
- || (VECTOR_MODE_P (TYPE_MODE (TYPE)) && int_size_in_bytes (TYPE) == 8))
+/* Define DEFAULT_PCC_STRUCT_RETURN to 1 because the i386 SVR4 ABI returns
+ records and unions in memory. ix86_option_override_internal will overide
+ this flag when compiling 64-bit code as we never do pcc_struct_return
+ scheme on x86-64. */
+#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 1
#undef CPP_SPEC
#define CPP_SPEC ""
%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\
crtbegin.o%s"
-#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(n) \
- (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
-
-/* The routine used to output sequences of byte values. We use a special
- version of this for most svr4 targets because doing so makes the
- generated assembly code more compact (and thus faster to assemble)
- as well as more readable. Note that if we find subparts of the
- character sequence which end with NUL (and which are shorter than
- STRING_LIMIT) we output those using ASM_OUTPUT_LIMITED_STRING. */
-
-#undef ASM_OUTPUT_ASCII
-#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
- do \
- { \
- const unsigned char *_ascii_bytes = \
- (const unsigned char *) (STR); \
- const unsigned char *limit = _ascii_bytes + (LENGTH); \
- unsigned bytes_in_chunk = 0; \
- for (; _ascii_bytes < limit; _ascii_bytes++) \
- { \
- const unsigned char *p; \
- if (bytes_in_chunk >= 64) \
- { \
- fputc ('\n', (FILE)); \
- bytes_in_chunk = 0; \
- } \
- for (p = _ascii_bytes; p < limit && *p != '\0'; p++) \
- continue; \
- if (p < limit && (p - _ascii_bytes) <= (long) STRING_LIMIT) \
- { \
- if (bytes_in_chunk > 0) \
- { \
- fputc ('\n', (FILE)); \
- bytes_in_chunk = 0; \
- } \
- ASM_OUTPUT_LIMITED_STRING ((FILE), _ascii_bytes); \
- _ascii_bytes = p; \
- } \
- else \
- { \
- if (bytes_in_chunk == 0) \
- fprintf ((FILE), "\t.byte\t"); \
- else \
- fputc (',', (FILE)); \
- fprintf ((FILE), "0x%02x", *_ascii_bytes); \
- bytes_in_chunk += 5; \
- } \
- } \
- if (bytes_in_chunk > 0) \
- fprintf ((FILE), "\n"); \
- } \
- while (0)
+#undef DEBUGGER_REGNO
+#define DEBUGGER_REGNO(n) \
+ (TARGET_64BIT ? debugger64_register_map[n] : svr4_debugger_register_map[n])
#define LOCAL_LABEL_PREFIX "."
/* Switch into a generic section. */
#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
-/* If defined, a C expression whose value is a string containing the
- assembler operation to identify the following data as
- uninitialized global data. If not defined, and neither
- `ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
- uninitialized global data will be output in the data section if
- `-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
- used. */
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
- separate, explicit argument. If you define this macro, it is used
- in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
- handling the required alignment of the variable. The alignment is
- specified as the number of bits.
-
- Try to use function `asm_output_aligned_bss' defined in file
- `varasm.c' when defining this macro. */
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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