/* Target definitions for GCC for Intel 80386 using ELF
- Copyright (C) 1988, 1991, 1995, 2000, 2001, 2002, 2007, 2008
- Free Software Foundation, Inc.
+ Copyright (C) 1988-2024 Free Software Foundation, Inc.
Derived from sysv4.h written by Ron Guilmette (rfg@netcom.com).
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)");
-
-/* The ELF ABI for the i386 says that records and unions are returned
- in memory. */
-
-#define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
- (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) \
- fputs (ASM_BYTE, (FILE)); \
- else \
- fputc (',', (FILE)); \
- fprintf ((FILE), "0x%02x", *_ascii_bytes); \
- bytes_in_chunk += 5; \
- } \
- } \
- if (bytes_in_chunk > 0) \
- fputc ('\n', (FILE)); \
- } \
- 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)