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Diffstat (limited to 'contrib/gcc/config/i386/sco5.h')
-rw-r--r--contrib/gcc/config/i386/sco5.h738
1 files changed, 131 insertions, 607 deletions
diff --git a/contrib/gcc/config/i386/sco5.h b/contrib/gcc/config/i386/sco5.h
index 815e45771d65..2a28e5459f38 100644
--- a/contrib/gcc/config/i386/sco5.h
+++ b/contrib/gcc/config/i386/sco5.h
@@ -1,7 +1,7 @@
/* Definitions for Intel 386 running SCO Unix System V 3.2 Version 5.
- Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2002
+ Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003
Free Software Foundation, Inc.
- Contributed by Kean Johnston (hug@netcom.com)
+ Contributed by Kean Johnston (jkj@sco.com)
This file is part of GNU CC.
@@ -20,230 +20,36 @@ along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (i386, SCO OpenServer 5 Syntax)");
-#undef LPREFIX
-#define LPREFIX ".L"
-
-#undef ALIGN_ASM_OP
-#define ALIGN_ASM_OP "\t.align\t"
-
-#undef ASCII_DATA_ASM_OP
-#define ASCII_DATA_ASM_OP "\t.ascii\t"
-
-#undef IDENT_ASM_OP
-#define IDENT_ASM_OP "\t.ident\t"
-
-#undef COMMON_ASM_OP
-#define COMMON_ASM_OP "\t.comm\t"
-
-#undef SET_ASM_OP
-#define SET_ASM_OP "\t.set\t"
-
-#undef LOCAL_ASM_OP
-#define LOCAL_ASM_OP "\t.local\t"
-
-#undef ASM_SHORT
-#define ASM_SHORT "\t.value\t"
-
-#undef ASM_LONG
-#define ASM_LONG "\t.long\t"
+/* The native link editor does not support linkonce stuff */
+#define SUPPORTS_ONE_ONLY 0
#undef ASM_QUAD
-#undef TYPE_ASM_OP
-#define TYPE_ASM_OP "\t.type\t"
-
-#undef SIZE_ASM_OP
-#define SIZE_ASM_OP "\t.size\t"
-
-#undef STRING_ASM_OP
-#define STRING_ASM_OP "\t.string\t"
-
-#undef SKIP_ASM_OP
-#define SKIP_ASM_OP "\t.zero\t"
-
#undef GLOBAL_ASM_OP
#define GLOBAL_ASM_OP "\t.globl\t"
-#undef EH_FRAME_SECTION_ASM_OP
-#define EH_FRAME_SECTION_NAME_COFF ".ehfram"
-#define EH_FRAME_SECTION_NAME_ELF ".eh_frame"
-#define EH_FRAME_SECTION_NAME \
- ((TARGET_ELF) ? EH_FRAME_SECTION_NAME_ELF : EH_FRAME_SECTION_NAME_COFF)
-
-/* Avoid problems (long sectino names, forward assembler refs) with DWARF
- exception unwinding when we're generating COFF */
-#define DWARF2_UNWIND_INFO \
- ((TARGET_ELF) ? 1 : 0 )
-
-#undef READONLY_DATA_SECTION_ASM_OP
-#define READONLY_DATA_SECTION_ASM_OP_COFF "\t.section\t.rodata, \"x\""
-#define READONLY_DATA_SECTION_ASM_OP_ELF "\t.section\t.rodata"
-#define READONLY_DATA_SECTION_ASM_OP \
- ((TARGET_ELF) \
- ? READONLY_DATA_SECTION_ASM_OP_ELF \
- : READONLY_DATA_SECTION_ASM_OP_COFF)
-
-#undef INIT_SECTION_ASM_OP
-#define INIT_SECTION_ASM_OP_ELF "\t.section\t.init"
-/* Rename these for COFF because crt1.o will try to run them. */
-#define INIT_SECTION_ASM_OP_COFF "\t.section\t.ctor ,\"x\""
-#define INIT_SECTION_ASM_OP \
- ((TARGET_ELF) ? INIT_SECTION_ASM_OP_ELF : INIT_SECTION_ASM_OP_COFF)
-
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP_ELF "\t.section\t.ctors,\"aw\""
-#define CTORS_SECTION_ASM_OP_COFF INIT_SECTION_ASM_OP_COFF
-#define CTORS_SECTION_ASM_OP \
- ((TARGET_ELF) ? CTORS_SECTION_ASM_OP_ELF : CTORS_SECTION_ASM_OP_COFF)
-
-#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP_ELF "\t.section\t.dtors, \"aw\""
-#define DTORS_SECTION_ASM_OP_COFF FINI_SECTION_ASM_OP_COFF
-#define DTORS_SECTION_ASM_OP \
- ((TARGET_ELF) ? DTORS_SECTION_ASM_OP_ELF : DTORS_SECTION_ASM_OP_COFF)
-
-#undef FINI_SECTION_ASM_OP
-#define FINI_SECTION_ASM_OP_ELF "\t.section\t.fini"
-#define FINI_SECTION_ASM_OP_COFF "\t.section\t.dtor, \"x\""
-#define FINI_SECTION_ASM_OP \
- ((TARGET_ELF) ? FINI_SECTION_ASM_OP_ELF : FINI_SECTION_ASM_OP_COFF)
-
#undef BSS_SECTION_ASM_OP
-#define BSS_SECTION_ASM_OP "\t.data"
-
-#undef TEXT_SECTION_ASM_OP
-#define TEXT_SECTION_ASM_OP "\t.text"
-
-#undef DATA_SECTION_ASM_OP
-#define DATA_SECTION_ASM_OP "\t.data"
-
-#undef TYPE_OPERAND_FMT
-#define TYPE_OPERAND_FMT "@%s"
-
-#undef APPLY_RESULT_SIZE
-#define APPLY_RESULT_SIZE \
-(TARGET_ELF) ? size : 116
-
-#ifndef ASM_DECLARE_RESULT
-#define ASM_DECLARE_RESULT(FILE, RESULT)
-#endif
-
-#define SCO_DEFAULT_ASM_COFF(FILE,NAME) \
-do { \
- ASM_OUTPUT_LABEL (FILE, NAME); \
- } while (0)
-
-#undef ASM_DECLARE_FUNCTION_NAME
-#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
- do { \
- if (TARGET_ELF) { \
- ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
- ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
- ASM_OUTPUT_LABEL (FILE, NAME); \
- } else \
- SCO_DEFAULT_ASM_COFF(FILE, NAME); \
-} while (0)
-
-#undef ASM_DECLARE_FUNCTION_SIZE
-#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
- do { \
- if (TARGET_ELF && !flag_inhibit_size_directive) \
- ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \
- } while (0)
-
-#undef ASM_DECLARE_OBJECT_NAME
-#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
- do { \
- if (TARGET_ELF) { \
- HOST_WIDE_INT size; \
- \
- ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
- \
- size_directive_output = 0; \
- if (!flag_inhibit_size_directive \
- && (DECL) && DECL_SIZE (DECL)) \
- { \
- size_directive_output = 1; \
- size = int_size_in_bytes (TREE_TYPE (DECL)); \
- ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \
- } \
- \
- ASM_OUTPUT_LABEL (FILE, NAME); \
- } else \
- SCO_DEFAULT_ASM_COFF(FILE, NAME); \
- } while (0)
+#define BSS_SECTION_ASM_OP "\t.section\t.bss, \"aw\", @nobits"
+
+/*
+ * NOTE: We really do want CTORS_SECTION_ASM_OP and DTORS_SECTION_ASM_OP.
+ * Here's the reason why. If we dont define them, and we dont define them
+ * to always emit to the same section, the default is to emit to "named"
+ * ctors and dtors sections. This would be great if we could use GNU ld,
+ * but we can't. The native linker could possibly be trained to coalesce
+ * named ctors sections, but that hasn't been done either. So if we don't
+ * define these, many C++ ctors and dtors dont get run, because they never
+ * wind up in the ctors/dtors arrays.
+ */
+#define CTORS_SECTION_ASM_OP "\t.section\t.ctors, \"aw\""
+#define DTORS_SECTION_ASM_OP "\t.section\t.dtors, \"aw\""
-#undef ASM_FILE_START_1
-#define ASM_FILE_START_1(FILE)
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
-do { \
- output_file_directive((FILE),main_input_filename); \
- fprintf ((FILE), "\t.version\t\"01.01\"\n"); \
-} while (0)
-
-#undef ASM_FINISH_DECLARE_OBJECT
-#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
-do { \
- if (TARGET_ELF) { \
- const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
- HOST_WIDE_INT size; \
- if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
- && ! AT_END && TOP_LEVEL \
- && DECL_INITIAL (DECL) == error_mark_node \
- && !size_directive_output) \
- { \
- size_directive_output = 1; \
- size = int_size_in_bytes (TREE_TYPE (DECL)); \
- ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size); \
- } \
- } \
-} while (0)
-
-#undef ASM_GENERATE_INTERNAL_LABEL
-#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
-do { \
- if (TARGET_ELF) \
- sprintf (LABEL, "*.%s%ld", (PREFIX), (long)(NUM)); \
- else \
- sprintf (LABEL, ".%s%ld", (PREFIX), (long)(NUM)); \
-} while (0)
-
-#undef ASM_OUTPUT_ALIGNED_COMMON
-#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
-do { \
- fprintf ((FILE), "%s", COMMON_ASM_OP); \
- assemble_name ((FILE), (NAME)); \
- if (TARGET_ELF) \
- fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
- else \
- fprintf ((FILE), ",%u\n", (SIZE)); \
-} while (0)
-
-#undef ASM_OUTPUT_ALIGNED_LOCAL
-#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
-do { \
- if (TARGET_ELF) { \
- fprintf ((FILE), "%s", LOCAL_ASM_OP); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), "\n"); \
- ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
- } else { \
- int align = exact_log2 (ALIGN); \
- if (align > 2) align = 2; \
- if (TARGET_SVR3_SHLIB) \
- data_section (); \
- else \
- bss_section (); \
- ASM_OUTPUT_ALIGN ((FILE), align == -1 ? 2 : align); \
- fprintf ((FILE), "%s\t", "\t.lcomm"); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u\n", (SIZE)); \
- } \
-} while (0)
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
+#undef X86_FILE_START_VERSION_DIRECTIVE
+#define X86_FILE_START_VERSION_DIRECTIVE true
/* A C statement (sans semicolon) to output to the stdio stream
FILE the assembler definition of uninitialized global DECL named
@@ -251,248 +57,23 @@ do { \
Try to use asm_output_aligned_bss to implement this macro. */
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
-asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
-
-#undef ESCAPES
-#define ESCAPES \
-"\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
-\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\\\0\0\0\
-\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1"
-
-#undef STRING_LIMIT
-#define STRING_LIMIT ((unsigned) 256)
-
-#undef ASM_OUTPUT_LIMITED_STRING
-#define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
- do \
- { \
- register const unsigned char *_limited_str = \
- (const unsigned char *) (STR); \
- register unsigned ch; \
- fprintf ((FILE), "%s\"", STRING_ASM_OP); \
- for (; (ch = *_limited_str); _limited_str++) \
- { \
- register int escape; \
- switch (escape = ESCAPES[ch]) \
- { \
- case 0: \
- putc (ch, (FILE)); \
- break; \
- case 1: \
- fprintf ((FILE), "\\%03o", ch); \
- break; \
- default: \
- putc ('\\', (FILE)); \
- putc (escape, (FILE)); \
- break; \
- } \
- } \
- fprintf ((FILE), "\"\n"); \
- } \
- while (0)
-
-
-#undef ASM_OUTPUT_ASCII
-#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
-do { \
- register const unsigned char *_ascii_bytes = \
- (const unsigned char *) (STR); \
- register const unsigned char *limit = _ascii_bytes + (LENGTH); \
- register unsigned bytes_in_chunk = 0; \
- for (; _ascii_bytes < limit; _ascii_bytes++) \
- { \
- register unsigned const 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 ("\t.byte\t", (FILE)); \
- else \
- fputc (',', (FILE)); \
- fprintf ((FILE), "0x%02x", *_ascii_bytes); \
- bytes_in_chunk += 5; \
- } \
- } \
- if (bytes_in_chunk > 0) \
- fprintf ((FILE), "\n"); \
-} while (0)
-
-#undef ASM_OUTPUT_CASE_LABEL
-#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,JUMPTABLE) \
-do { \
- if (TARGET_ELF) \
- ASM_OUTPUT_ALIGN ((FILE), 2); \
- ASM_OUTPUT_INTERNAL_LABEL((FILE),(PREFIX),(NUM)); \
-} while (0)
-
-#undef ASM_OUTPUT_IDENT
-#define ASM_OUTPUT_IDENT(FILE, NAME) \
- fprintf (FILE, "%s\"%s\"\n", IDENT_ASM_OP, NAME);
-
-#undef ASM_OUTPUT_EXTERNAL_LIBCALL
-#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
- if (TARGET_ELF) (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0))
-
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
-
-/* The prefix to add to user-visible assembler symbols. */
-
-#undef USER_LABEL_PREFIX
-#define USER_LABEL_PREFIX ""
-
-/*
- * We rename 'gcc_except_table' to the shorter name in preparation
- * for the day when we're ready to do DWARF2 eh unwinding under COFF.
- */
-/* #define EXCEPTION_SECTION() named_section (NULL, ".gccexc", 1) */
-
-/* Switch into a generic section. */
-#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
-
-#undef ASM_OUTPUT_SKIP
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
-do { \
- if (TARGET_ELF) \
- fprintf (FILE, "%s%u\n", SKIP_ASM_OP, (SIZE)); \
- else \
- fprintf ((FILE), "%s.,.+%u\n", SET_ASM_OP, (SIZE)); \
-} while (0)
-
-
-#undef CTOR_LIST_BEGIN
-#define CTOR_LIST_BEGIN \
-do { \
- asm (CTORS_SECTION_ASM_OP); \
- if (TARGET_ELF) \
- STATIC func_ptr __CTOR_LIST__[1] = { (func_ptr) (-1) }; \
- else \
- asm ("pushl $0"); \
-} while (0)
-
-#undef CTOR_LIST_END
-#define CTOR_LIST_END \
-do { \
- if (TARGET_ELF) { \
- asm (CTORS_SECTION_ASM_OP); \
- STATIC func_ptr __CTOR_LIST__[1] = { (func_ptr) (0) }; \
- } else { \
- CTOR_LIST_BEGIN; \
- } \
-} while (0)
-
-#undef DBX_BLOCKS_FUNCTION_RELATIVE
-#define DBX_BLOCKS_FUNCTION_RELATIVE 1
-
-#undef DBX_FUNCTION_FIRST
-#define DBX_FUNCTION_FIRST 1
+ asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(n) \
- ((TARGET_ELF) ? svr4_dbx_register_map[n] : dbx_register_map[n])
+#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
-#define DWARF2_DEBUGGING_INFO 1
-#define DWARF_DEBUGGING_INFO 1
-#define SDB_DEBUGGING_INFO 1
-#define DBX_DEBUGGING_INFO 1
+#define DWARF2_DEBUGGING_INFO 1
+#define DWARF_DEBUGGING_INFO 1
+#define DBX_DEBUGGING_INFO 1
#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE \
- ((TARGET_ELF) ? DWARF2_DEBUG: SDB_DEBUG)
-
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_init, in_fini
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- INIT_SECTION_FUNCTION \
- FINI_SECTION_FUNCTION
-
-#undef FINI_SECTION_FUNCTION
-#define FINI_SECTION_FUNCTION \
-void \
-fini_section () \
-{ \
- if ((!TARGET_ELF) && in_section != in_fini) \
- { \
- fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP); \
- in_section = in_fini; \
- } \
-}
-
-#undef INIT_SECTION_FUNCTION
-#define INIT_SECTION_FUNCTION \
-void \
-init_section () \
-{ \
- if ((!TARGET_ELF) && in_section != in_init) \
- { \
- fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP); \
- in_section = in_init; \
- } \
-}
-
-#undef SUBTARGET_FRAME_POINTER_REQUIRED
-#define SUBTARGET_FRAME_POINTER_REQUIRED \
- ((TARGET_ELF) ? 0 : \
- (current_function_calls_setjmp || current_function_calls_longjmp))
-
-#undef LOCAL_LABEL_PREFIX
-#define LOCAL_LABEL_PREFIX \
- ((TARGET_ELF) ? "" : ".")
-
-#undef MD_EXEC_PREFIX
-#undef MD_STARTFILE_PREFIX
-#define MD_EXEC_PREFIX "/usr/ccs/bin/"
-#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
-
-#undef NON_SAVING_SETJMP
-#define NON_SAVING_SETJMP \
- ((TARGET_ELF) ? 0 : \
- (current_function_calls_setjmp && current_function_calls_longjmp))
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+#undef DWARF2_UNWIND_INFO
+#define DWARF2_UNWIND_INFO 1
#undef NO_IMPLICIT_EXTERN_C
-#define NO_IMPLICIT_EXTERN_C 1
-
-/* JKJ FIXME - examine the ramifications of RETURN_IN_MEMORY and
- RETURN_POPS_ARGS */
-
-#undef RETURN_POPS_ARGS
-#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) \
- ((TARGET_ELF) ? \
- (ix86_return_pops_args (FUNDECL, FUNTYPE, SIZE)) : \
- (((FUNDECL) && (TREE_CODE (FUNDECL) == IDENTIFIER_NODE)) ? 0 \
- : (TARGET_RTD \
- && (TYPE_ARG_TYPES (FUNTYPE) == 0 \
- || (TREE_VALUE (tree_last (TYPE_ARG_TYPES (FUNTYPE))) \
- == void_type_node))) ? (SIZE) \
- : 0))
-
-/* ??? Ignore coff. */
-#undef TARGET_ASM_SELECT_SECTION
-#define TARGET_ASM_SELECT_SECTION default_elf_select_section
+#define NO_IMPLICIT_EXTERN_C 1
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) \
@@ -511,17 +92,6 @@ init_section () \
#undef TARGET_SUBTARGET_DEFAULT
#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS)
-#define HANDLE_SYSV_PRAGMA 1
-
-/* Though OpenServer supports .weak in COFF, we don't use it.
- * G++ will frequently emit a symol as .weak and then (in the same .s
- * file) declare it global. The COFF assembler finds this unamusing.
- */
-#define SUPPORTS_WEAK (TARGET_ELF)
-#define ASM_WEAKEN_LABEL(FILE,NAME) \
- do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
- fputc ('\n', FILE); } while (0)
-
/*
* Define sizes and types
*/
@@ -529,12 +99,14 @@ init_section () \
#undef PTRDIFF_TYPE
#undef WCHAR_TYPE
#undef WCHAR_TYPE_SIZE
+#undef WINT_TYPE
#undef LONG_DOUBLE_TYPE_SIZE
-#define LONG_DOUBLE_TYPE_SIZE 96
#define SIZE_TYPE "unsigned int"
#define PTRDIFF_TYPE "int"
#define WCHAR_TYPE "long int"
#define WCHAR_TYPE_SIZE BITS_PER_WORD
+#define WINT_TYPE "long int"
+#define LONG_DOUBLE_TYPE_SIZE 96
/*
* New for multilib support. Set the default switches for multilib,
@@ -548,7 +120,7 @@ init_section () \
With SCO Open Server 5.0, you now get the linker and assembler free,
so that is what these specs are targeted for. These utilities are
very argument sensitive: a space in the wrong place breaks everything.
- So RMS, please forgive this mess. It works.
+ So please forgive this mess. It works.
Parameters which can be passed to gcc, and their SCO equivalents:
GCC Parameter SCO Equivalent
@@ -564,77 +136,109 @@ init_section () \
does.
SCO also allows you to compile, link and generate either ELF or COFF
- binaries. With gcc, unlike the SCO compiler, the default is ELF.
- Specify -mcoff to gcc to produce COFF binaries. -fpic will get the
- assembler and linker to produce PIC code.
+ binaries. With gcc, we now only support ELF mode.
+
+ GCC also requires that the user has installed OSS646, the Execution
+ Environment Update, or is running release 5.0.7 or later. This has
+ many fixes to the ELF link editor and assembler, and a considerably
+ improved libc and RTLD.
+
+ In terms of tool usage, we want to use the standard link editor always,
+ and either the GNU assembler or the native assembler. With OSS646 the
+ native assembler has grown up quite a bit. Some of the specs below
+ assume that /usr/gnu is the prefix for the GNU tools, because thats
+ where the SCO provided ones go. This is especially important for
+ include and library search path ordering. We want to look in /usr/gnu
+ first, becuase frequently people are linking against -lintl, and they
+ MEAN to link with gettext. What they get is the SCO intl library. Its
+ a REAL pity that GNU gettext chose that name; perhaps in a future
+ version they can be persuaded to change it to -lgnuintl and have a
+ link so that -lintl will work for other systems. The same goes for
+ header files. We want /usr/gnu/include searched for before the system
+ header files. Hence the -isystem /usr/gnu/include in the CPP_SPEC.
+ We get /usr/gnu/lib first by virtue of the MD_STARTFILE_PREFIX below.
*/
+#define MD_STARTFILE_PREFIX "/usr/gnu/lib/"
+#define MD_STARTFILE_PREFIX_1 "/usr/ccs/lib/"
+
+#if USE_GAS
+# define MD_EXEC_PREFIX "/usr/gnu/bin/"
+#else
+# define MD_EXEC_PREFIX "/usr/ccs/bin/elf/"
+#endif
+
+/* Always use the system linker, please. */
+#ifndef DEFAULT_LINKER
+# define DEFAULT_LINKER "/usr/ccs/bin/elf/ld"
+#endif
+
/* Set up assembler flags for PIC and ELF compilations */
#undef ASM_SPEC
#if USE_GAS
- /* Leave ASM_SPEC undefined so we pick up the master copy from gcc.c
- * Undef MD_EXEC_PREFIX because we don't know where GAS is, but it's not
- * likely in /usr/ccs/bin/
- */
-#undef MD_EXEC_PREFIX
+ /* Leave ASM_SPEC undefined so we pick up the master copy from gcc.c */
#else
-
#define ASM_SPEC \
- "-b %{!mcoff:elf}%{mcoff:coff \
- %{static:%e-static not valid with -mcoff} \
- %{shared:%e-shared not valid with -mcoff} \
- %{symbolic:%e-symbolic not valid with -mcoff}} \
- %{Ym,*} %{Yd,*} %{Wa,*:%*} \
- %{!mcoff:-E%{Xa:a}%{!Xa:%{Xc:c}%{!Xc:%{Xk:k}%{!Xk:%{Xt:t}%{!Xt:a}}}},%{ansi:ansi}%{!ansi:%{posix:posix}%{!posix:%{Xpg4:xpg4}%{!Xpg4:%{Xpg4plus:XPG4PLUS}%{!Xpg4plus:%{Xods30:ods30}%{!Xods30:XPG4PLUS}}}}},ELF %{Qn:} %{!Qy:-Qn}}"
+ "%{Ym,*} %{Yd,*} %{Wa,*:%*} \
+ -E%{Xa:a}%{!Xa:%{Xc:c}%{!Xc:%{Xk:k}%{!Xk:%{Xt:t}%{!Xt:a}}}},%{ansi:ansi}%{!ansi:%{posix:posix}%{!posix:%{Xpg4:xpg4}%{!Xpg4:%{Xpg4plus:XPG4PLUS}%{!Xpg4plus:%{Xods30:ods30}%{!Xods30:XPG4PLUS}}}}},ELF %{Qn:} %{!Qy:-Qn}"
#endif
-/* Use crt1.o as a startup file and crtn.o as a closing file. */
+/*
+ * Use crti.o for shared objects, crt1.o for normal executables. Make sure
+ * to recognize both -G and -shared as a valid way of introducing shared
+ * library generation. This is important for backwards compatibility.
+ */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
- "%{shared: %{!mcoff: crti.o%s}} \
- %{!shared:\
+ "%{pg:%e-pg not supported on this platform} \
+ %{p:%{pp:%e-p and -pp specified - pick one}} \
+ %{!shared:\
%{!symbolic: \
- %{pg:gcrt.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}}} \
+ %{!G: \
+ %{pp:pcrt1elf.o%s}%{p:mcrt1.o%s}%{!p:%{!pp:crt1.o%s}}}}} \
+ crti.o%s \
%{ansi:values-Xc.o%s} \
%{!ansi: \
- %{Xa:values-Xa.o%s} \
- %{!Xa:%{Xc:values-Xc.o%s} \
- %{!Xc:%{Xk:values-Xk.o%s} \
- %{!Xk:%{Xt:values-Xt.o%s} \
- %{!Xt:values-Xa.o%s}}}}} \
- %{mcoff:crtbeginS.o%s} %{!mcoff:crtbegin.o%s}"
+ %{traditional:values-Xt.o%s} \
+ %{!traditional: \
+ %{Xa:values-Xa.o%s} \
+ %{!Xa:%{Xc:values-Xc.o%s} \
+ %{!Xc:%{Xk:values-Xk.o%s} \
+ %{!Xk:%{Xt:values-Xt.o%s} \
+ %{!Xt:values-Xa.o%s}}}}}} \
+ crtbegin.o%s"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
- "%{!mcoff:crtend.o%s} \
- %{mcoff:crtendS.o%s} \
- %{pg:gcrtn.o%s}%{!pg:crtn.o%s}"
-
-#define TARGET_OS_CPP_BUILTINS() \
- do \
- { \
- builtin_define ("__unix"); \
- builtin_define ("_SCO_DS"); \
- builtin_define ("_M_I386"); \
- builtin_define ("_M_XENIX"); \
- builtin_define ("_M_UNIX"); \
- builtin_assert ("system=svr3"); \
- if (flag_iso) \
- cpp_define (pfile, "_STRICT_ANSI"); \
- if (flag_pic) \
- { \
- builtin_define ("__PIC__"); \
- builtin_define ("__pic__"); \
- } \
- } \
+ "crtend.o%s crtn.o%s"
+
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__unix"); \
+ builtin_define ("_SCO_DS"); \
+ builtin_define ("_SCO_DS_LL"); \
+ builtin_define ("_SCO_ELF"); \
+ builtin_define ("_M_I386"); \
+ builtin_define ("_M_XENIX"); \
+ builtin_define ("_M_UNIX"); \
+ builtin_assert ("system=svr3"); \
+ if (flag_iso) \
+ cpp_define (pfile, "_STRICT_ANSI"); \
+ if (flag_pic) \
+ { \
+ builtin_define ("__PIC__"); \
+ builtin_define ("__pic__"); \
+ } \
+ } \
while (0)
#undef CPP_SPEC
#define CPP_SPEC "\
- %{fpic:%{mcoff:%e-fpic is not valid with -mcoff}} \
- %{fPIC:%{mcoff:%e-fPIC is not valid with -mcoff}} \
+ -isystem /usr/gnu/include \
+ %{pthread:-D_REENTRANT} \
%{!Xods30:-D_STRICT_NAMES} \
%{!ansi:%{!posix:%{!Xods30:-D_SCO_XPG_VERS=4}}} \
%{ansi:-isystem include/ansi%s -isystem /usr/include/ansi} \
@@ -652,8 +256,6 @@ init_section () \
-DM_BITFIELDS -DM_SYS5 -DM_SYSV -DM_INTERNAT -DM_SYSIII \
-DM_WORDSWAP}}}} \
%{scointl:-DM_INTERNAT -D_M_INTERNAT} \
- %{!mcoff:-D_SCO_ELF} \
- %{mcoff:-D_M_COFF -D_SCO_COFF} \
%{Xa:-D_SCO_C_DIALECT=1} \
%{!Xa:%{Xc:-D_SCO_C_DIALECT=3} \
%{!Xc:%{Xk:-D_SCO_C_DIALECT=4} \
@@ -662,109 +264,38 @@ init_section () \
#undef LINK_SPEC
#define LINK_SPEC \
- "-b %{!mcoff:elf}%{mcoff:coff \
- %{static:%e-static not valid with -mcoff} \
- %{shared:%e-shared not valid with -mcoff} \
- %{symbolic:%e-symbolic not valid with -mcoff} \
- %{fpic:%e-fpic not valid with -mcoff} \
- %{fPIC:%e-fPIC not valid with -mcoff}} \
- -R%{Xa:a}%{!Xa:%{Xc:c}%{!Xc:%{Xk:k}%{!Xk:%{Xt:t}%{!Xt:a}}}},%{ansi:ansi}%{!ansi:%{posix:posix}%{!posix:%{Xpg4:xpg4}%{!Xpg4:%{Xpg4plus:XPG4PLUS}%{!Xpg4plus:%{Xods30:ods30}%{!Xods30:XPG4PLUS}}}}},%{mcoff:COFF}%{!mcoff:ELF} \
- %{Wl,*%*} %{YP,*} %{YL,*} %{YU,*} \
+ "%{!shared:%{!symbolic:%{!G:-E%{Xa:a}%{!Xa:%{Xc:c}%{!Xc:%{Xk:k}%{!Xk:%{Xt:t}%{!Xt:a}}}},%{ansi:ansi}%{!ansi:%{posix:posix}%{!posix:%{Xpg4:xpg4}%{!Xpg4:%{Xpg4plus:XPG4PLUS}%{!Xpg4plus:%{Xods30:ods30}%{!Xods30:XPG4PLUS}}}}},ELF}}} \
+ %{Wl,*:%*} %{YP,*} %{YL,*} %{YU,*} \
%{!YP,*:%{p:-YP,/usr/ccs/libp:/lib/libp:/usr/lib/libp:/usr/ccs/lib:/lib:/usr/lib} \
%{!p:-YP,/usr/ccs/lib:/lib:/usr/lib}} \
- %{h*} %{static:-dn -Bstatic} %{shared:-G -dy %{!z*:-z text}} \
- %{symbolic:-Bsymbolic -G -dy %{!z*:-z text}} %{z*} %{R*} %{Y*} \
- %{G:-G} %{!mcoff:%{Qn:} %{!Qy:-Qn}}"
-
-/* The SCO COFF linker gets confused on the difference between "-ofoo"
- and "-o foo". So we just always force a single space. */
-
-#define SWITCHES_NEED_SPACES "o"
+ %{h*} %{static:-dn -Bstatic %{G:%e-G and -static are mutually exclusive}} \
+ %{shared:%{!G:-G}} %{G:%{!shared:-G}} %{shared:%{G:-G}} \
+ %{shared:-dy %{symbolic:-Bsymbolic -G} %{z*}} %{R*} %{Y*} \
+ %{Qn:} %{!Qy:-Qn} -z alt_resolve"
/* Library spec. If we are not building a shared library, provide the
standard libraries, as per the SCO compiler. */
#undef LIB_SPEC
#define LIB_SPEC \
- "%{shared:pic/libgcc.a%s}%{!shared:%{!symbolic:-lcrypt -lgen -lc}}"
+ "%{shared:%{!G:pic/libgcc.a%s}} \
+ %{G:%{!shared:pic/libgcc.a%s}} \
+ %{shared:%{G:pic/libgcc.a%s}} \
+ %{p:%{!pp:-lelfprof -lelf}} %{pp:%{!p:-lelfprof -lelf}} \
+ %{!shared:%{!symbolic:%{!G:-lcrypt -lgen -lc %{pthread:-lpthread}}}}"
#undef LIBGCC_SPEC
#define LIBGCC_SPEC \
- "%{!shared:-lgcc}"
+ "%{!shared:%{!G:-lgcc}}"
-#define MASK_COFF 010000000000 /* Mask for elf generation */
-#define TARGET_ELF (1) /* (!(target_flags & MASK_COFF)) */
+/* Here for legacy support only so we still accept -melf flag */
+#define MASK_COFF 010000000000 /* Mask for COFF generation */
+#define TARGET_ELF (1)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "elf", -MASK_COFF, N_("Generate ELF output") },
-#define NO_DOLLAR_IN_LABEL
-
-/* Implicit library calls should use memcpy, not bcopy, etc. They are
- faster on OpenServer libraries. */
-
-#define TARGET_MEM_FUNCTIONS
-
-/* Biggest alignment supported by the object file format of this
- machine. Use this macro to limit the alignment which can be
- specified using the `__attribute__ ((aligned (N)))' construct. If
- not defined, the default value is `BIGGEST_ALIGNMENT'. */
-
-#define MAX_OFILE_ALIGNMENT (32768*8)
-
-/* Define the `__builtin_va_list' type for the ABI. On OpenServer, this
- type is `char *'. */
-#undef BUILD_VA_LIST_TYPE
-#define BUILD_VA_LIST_TYPE(VALIST) \
- (VALIST) = build_pointer_type (char_type_node)
-
-
-/*
-Here comes some major hackery to get the crt stuff to compile properly.
-Since we can (and do) compile for both COFF and ELF environments, we
-set things up accordingly, based on the pre-processor defines for ELF
-and COFF. This is insane, but then I guess having one compiler with a
-single back-end supporting two vastly different file format types is
-a little insane too. But it is not impossible and we get a useful
-compiler at the end of the day. Onward we go ...
-*/
-
-#if defined(CRT_BEGIN) || defined(CRT_END) || defined(IN_LIBGCC2)
-# undef OBJECT_FORMAT_ELF
-# undef INIT_SECTION_ASM_OP
-# undef FINI_SECTION_ASM_OP
-# undef CTORS_SECTION_ASM_OP
-# undef DTORS_SECTION_ASM_OP
-# undef EH_FRAME_SECTION_NAME
-# undef CTOR_LIST_BEGIN
-# undef CTOR_LIST_END
-# undef DO_GLOBAL_CTORS_BODY
-
-# if defined (_SCO_ELF)
-# define OBJECT_FORMAT_ELF
-# define INIT_SECTION_ASM_OP INIT_SECTION_ASM_OP_ELF
-# define FINI_SECTION_ASM_OP FINI_SECTION_ASM_OP_ELF
-# define DTORS_SECTION_ASM_OP DTORS_SECTION_ASM_OP_ELF
-# define CTORS_SECTION_ASM_OP CTORS_SECTION_ASM_OP_ELF
-# define EH_FRAME_SECTION_NAME EH_FRAME_SECTION_NAME_ELF
-# else /* ! _SCO_ELF */
-# define INIT_SECTION_ASM_OP INIT_SECTION_ASM_OP_COFF
-# define FINI_SECTION_ASM_OP FINI_SECTION_ASM_OP_COFF
-# define DTORS_SECTION_ASM_OP DTORS_SECTION_ASM_OP_COFF
-# define CTORS_SECTION_ASM_OP CTORS_SECTION_ASM_OP_COFF
-# define EH_FRAME_SECTION_NAME EH_FRAME_SECTION_NAME_COFF
-# define CTOR_LIST_BEGIN asm (INIT_SECTION_ASM_OP); asm ("pushl $0")
-# define CTOR_LIST_END CTOR_LIST_BEGIN
-# define DO_GLOBAL_CTORS_BODY \
-do { \
- func_ptr *p, *beg = alloca(0); \
- for (p = beg; *p;) \
- (*p++) (); \
-} while (0)
-# endif /* ! _SCO_ELF */
-#endif /* CRT_BEGIN !! CRT_END */
-
/* Handle special EH pointer encodings. Absolute, pc-relative, and
indirect are handled automatically. */
#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
@@ -798,10 +329,3 @@ do { \
: "=d"(BASE))
#endif
-/* Select a format to encode pointers in exception handling data. CODE
- is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
- true if the symbol may be affected by dynamic relocations. */
-#undef ASM_PREFERRED_EH_DATA_FORMAT
-#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
- (flag_pic ? (GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_datarel \
- : DW_EH_PE_absptr)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 13:18:26 +0000