[unix-history] / gnu / usr.bin / cc / lib / tm.h

/* Configuration for an i386 running 386BSD as the target machine.  */

/* This is tested by i386gas.h.  */
#define YES_UNDERSCORES

#include "i386/gstabs.h"

/* Get perform_* macros to build libgcc.a.  */
#include "i386/perform.h"

#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dunix -Di386 -D____386BSD____ -D__386BSD__ -DBSD_NET2"

/* Like the default, except no -lg.  */
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"

#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"

#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"

#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"

#define WCHAR_UNSIGNED 1

#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16

/* 386BSD does have atexit.  */

#define HAVE_ATEXIT

/* Redefine this to use %eax instead of %edx.  */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO)  \
{									\
  if (flag_pic)								\
    {									\
      fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n",		\
	       LPREFIX, (LABELNO));					\
      fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n");			\
    }									\
  else									\
    {									\
      fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO));	\
      fprintf (FILE, "\tcall mcount\n");				\
    }									\
}

/* There are conflicting reports about whether this system uses
   a different assembler syntax.  wilson@cygnus.com says # is right.  */
#undef COMMENT_BEGIN
#define COMMENT_BEGIN "#"

#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"

#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
\f
/* The following macros are stolen from i386v4.h */
/* These have to be defined to get PIC code correct */

/* This is how to output an element of a case-vector that is relative.
   This is only used for PIC code.  See comments by the `casesi' insn in
   i386.md for an explanation of the expression this outputs. */

#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
  fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)

/* Indicate that jump tables go in the text section.  This is
   necessary when compiling PIC code.  */

#define JUMP_TABLES_IN_TEXT_SECTION

/* Don't default to pcc-struct-return, because gcc is the only compiler, and
   we want to retain compatibility with older gcc versions.  */
#define DEFAULT_PCC_STRUCT_RETURN 0

/*
 * Some imports from svr4.h in support of shared libraries.
 * Currently, we need the DECLARE_OBJECT_SIZE stuff.
 */

/* Define the strings used for the special svr4 .type and .size directives.
   These strings generally do not vary from one system running svr4 to
   another, but if a given system (e.g. m88k running svr) needs to use
   different pseudo-op names for these, they may be overridden in the
   file which includes this one.  */

#define TYPE_ASM_OP   ".type"
#define SIZE_ASM_OP   ".size"
#define WEAK_ASM_OP   ".weak"

/* The following macro defines the format used to output the second
   operand of the .type assembler directive.  Different svr4 assemblers
   expect various different forms for this operand.  The one given here
   is just a default.  You may need to override it in your machine-
   specific tm.h file (depending upon the particulars of your assembler).  */

#define TYPE_OPERAND_FMT "@%s"

/* Write the extra assembler code needed to declare a function's result.
   Most svr4 assemblers don't require any special declaration of the
   result value, but there are exceptions.  */

#ifndef ASM_DECLARE_RESULT
#define ASM_DECLARE_RESULT(FILE, RESULT)
#endif

/* These macros generate the special .type and .size directives which
   are used to set the corresponding fields of the linker symbol table
   entries in an ELF object file under SVR4.  These macros also output
   the starting labels for the relevant functions/objects.  */

/* Write the extra assembler code needed to declare a function properly.
   Some svr4 assemblers need to also have something extra said about the
   function's return value.  We allow for that here.  */

#ifdef notyet
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)       \
  do {                         \
    fprintf (FILE, "\t%s\t ", TYPE_ASM_OP);            \
    assemble_name (FILE, NAME);                  \
    putc (',', FILE);                   \
    fprintf (FILE, TYPE_OPERAND_FMT, "function");         \
    putc ('\n', FILE);                     \
    ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));        \
    ASM_OUTPUT_LABEL(FILE, NAME);             \
  } while (0)

/* Write the extra assembler code needed to declare an object properly.  */

#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL)         \
  do {                         \
    fprintf (FILE, "\t%s\t ", TYPE_ASM_OP);            \
    assemble_name (FILE, NAME);                  \
    putc (',', FILE);                   \
    fprintf (FILE, TYPE_OPERAND_FMT, "object");           \
    putc ('\n', FILE);                     \
    if (!flag_inhibit_size_directive)               \
      {                           \
 fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);            \
 assemble_name (FILE, NAME);               \
 fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (decl)));   \
      }                           \
    ASM_OUTPUT_LABEL(FILE, NAME);             \
  } while (0)

/* This is how to declare the size of a function.  */

#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)         \
  do {                         \
    if (!flag_inhibit_size_directive)               \
      {                           \
        char label[256];                \
 static int labelno;                 \
 labelno++;                    \
 ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno);     \
 ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno);     \
 fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);            \
 assemble_name (FILE, (FNAME));               \
        fprintf (FILE, ",");                  \
 assemble_name (FILE, label);              \
        fprintf (FILE, "-");                  \
 assemble_name (FILE, (FNAME));               \
 putc ('\n', FILE);                  \
      }                           \
  } while (0)
#endif

#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL)         \
  do {                         \
    if (!flag_inhibit_size_directive)               \
      {                           \
 fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);            \
 assemble_name (FILE, NAME);               \
 fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (decl)));   \
      }                           \
    ASM_OUTPUT_LABEL(FILE, NAME);             \
  } while (0)
Commit	Line	Data
b2254bec PR	1	/* Configuration for an i386 running 386BSD as the target machine. */
	2
	3	/* This is tested by i386gas.h. */
	4	#define YES_UNDERSCORES
	5
	6	#include "i386/gstabs.h"
	7
	8	/* Get perform_* macros to build libgcc.a. */
	9	#include "i386/perform.h"
	10
	11	#undef CPP_PREDEFINES
	12	#define CPP_PREDEFINES "-Dunix -Di386 -D____386BSD____ -D__386BSD__ -DBSD_NET2"
	13
	14	/* Like the default, except no -lg. */
	15	#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
	16
	17	#undef SIZE_TYPE
	18	#define SIZE_TYPE "unsigned int"
	19
	20	#undef PTRDIFF_TYPE
	21	#define PTRDIFF_TYPE "int"
	22
	23	#undef WCHAR_TYPE
	24	#define WCHAR_TYPE "short unsigned int"
	25
	26	#define WCHAR_UNSIGNED 1
	27
	28	#undef WCHAR_TYPE_SIZE
	29	#define WCHAR_TYPE_SIZE 16
	30
	31	/* 386BSD does have atexit. */
	32
	33	#define HAVE_ATEXIT
	34
	35	/* Redefine this to use %eax instead of %edx. */
	36	#undef FUNCTION_PROFILER
	37	#define FUNCTION_PROFILER(FILE, LABELNO) \
	38	{ \
	39	if (flag_pic) \
	40	{ \
	41	fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n", \
	42	LPREFIX, (LABELNO)); \
	43	fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
	44	} \
	45	else \
	46	{ \
	47	fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO)); \
	48	fprintf (FILE, "\tcall mcount\n"); \
	49	} \
	50	}
	51
	52	/* There are conflicting reports about whether this system uses
	53	a different assembler syntax. wilson@cygnus.com says # is right. */
	54	#undef COMMENT_BEGIN
	55	#define COMMENT_BEGIN "#"
	56
	57	#undef ASM_APP_ON
	58	#define ASM_APP_ON "#APP\n"
	59
	60	#undef ASM_APP_OFF
	61	#define ASM_APP_OFF "#NO_APP\n"
	62	\f
	63	/* The following macros are stolen from i386v4.h */
	64	/* These have to be defined to get PIC code correct */
65
66	/* This is how to output an element of a case-vector that is relative.
67	This is only used for PIC code. See comments by the `casesi' insn in
68	i386.md for an explanation of the expression this outputs. */
69
70	#undef ASM_OUTPUT_ADDR_DIFF_ELT
71	#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
72	fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)
73
74	/* Indicate that jump tables go in the text section. This is
75	necessary when compiling PIC code. */
76
77	#define JUMP_TABLES_IN_TEXT_SECTION
78
79	/* Don't default to pcc-struct-return, because gcc is the only compiler, and
80	we want to retain compatibility with older gcc versions. */
81	#define DEFAULT_PCC_STRUCT_RETURN 0
d899626a PR	82
	83	/*
	84	* Some imports from svr4.h in support of shared libraries.
	85	* Currently, we need the DECLARE_OBJECT_SIZE stuff.
	86	*/
	87
	88	/* Define the strings used for the special svr4 .type and .size directives.
	89	These strings generally do not vary from one system running svr4 to
	90	another, but if a given system (e.g. m88k running svr) needs to use
	91	different pseudo-op names for these, they may be overridden in the
	92	file which includes this one. */
	93
	94	#define TYPE_ASM_OP ".type"
	95	#define SIZE_ASM_OP ".size"
	96	#define WEAK_ASM_OP ".weak"
	97
	98	/* The following macro defines the format used to output the second
	99	operand of the .type assembler directive. Different svr4 assemblers
	100	expect various different forms for this operand. The one given here
	101	is just a default. You may need to override it in your machine-
	102	specific tm.h file (depending upon the particulars of your assembler). */
	103
	104	#define TYPE_OPERAND_FMT "@%s"
	105
	106	/* Write the extra assembler code needed to declare a function's result.
	107	Most svr4 assemblers don't require any special declaration of the
	108	result value, but there are exceptions. */
	109
	110	#ifndef ASM_DECLARE_RESULT
	111	#define ASM_DECLARE_RESULT(FILE, RESULT)
	112	#endif
	113
	114	/* These macros generate the special .type and .size directives which
	115	are used to set the corresponding fields of the linker symbol table
	116	entries in an ELF object file under SVR4. These macros also output
	117	the starting labels for the relevant functions/objects. */
	118
	119	/* Write the extra assembler code needed to declare a function properly.
	120	Some svr4 assemblers need to also have something extra said about the
	121	function's return value. We allow for that here. */
	122
	123	#ifdef notyet
	124	#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
	125	do { \
	126	fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
	127	assemble_name (FILE, NAME); \
	128	putc (',', FILE); \
	129	fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
	130	putc ('\n', FILE); \
	131	ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
	132	ASM_OUTPUT_LABEL(FILE, NAME); \
	133	} while (0)
	134
	135	/* Write the extra assembler code needed to declare an object properly. */
	136
	137	#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
	138	do { \
	139	fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
	140	assemble_name (FILE, NAME); \
	141	putc (',', FILE); \
	142	fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
	143	putc ('\n', FILE); \
	144	if (!flag_inhibit_size_directive) \
	145	{ \
146	fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
147	assemble_name (FILE, NAME); \
148	fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (decl))); \
149	} \
150	ASM_OUTPUT_LABEL(FILE, NAME); \
151	} while (0)
152
153	/* This is how to declare the size of a function. */
154
155	#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
156	do { \
157	if (!flag_inhibit_size_directive) \
158	{ \
159	char label[256]; \
160	static int labelno; \
161	labelno++; \
162	ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
163	ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
164	fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
165	assemble_name (FILE, (FNAME)); \
166	fprintf (FILE, ","); \
167	assemble_name (FILE, label); \
168	fprintf (FILE, "-"); \
169	assemble_name (FILE, (FNAME)); \
170	putc ('\n', FILE); \
171	} \
172	} while (0)
173	#endif
174
175	#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
176	do { \
177	if (!flag_inhibit_size_directive) \
178	{ \
179	fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
180	assemble_name (FILE, NAME); \
181	fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (decl))); \
182	} \
183	ASM_OUTPUT_LABEL(FILE, NAME); \
184	} while (0)