![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to litecoff.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [GCC 2.x] / gcc / config / sparc|
Return to litecoff.h CVS log | Up to [GCC 2.x] / gcc / config / sparc |
1.1 root 1: /* Definitions of target machine for GNU compiler, for SPARClite w/o FPU, COFF.
2: Copyright (C) 1994 Free Software Foundation, Inc.
3: Written by Ken Raeburn ([email protected]).
4:
5: This file is part of GNU CC.
6:
7: GNU CC is free software; you can redistribute it and/or modify
8: it under the terms of the GNU General Public License as published by
9: the Free Software Foundation; either version 2, or (at your option)
10: any later version.
11:
12: GNU CC is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with GNU CC; see the file COPYING. If not, write to
19: the Free Software Foundation, 59 Temple Place - Suite 330,
20: Boston, MA 02111-1307, USA. */
21:
22: #include "sparc/lite.h"
23:
24: #undef ASM_OUTPUT_IDENT
25:
26: #undef SELECT_SECTION
27: #undef SELECT_RTX_SECTION
28: #define BSS_SECTION_ASM_OP ".section\t\".bss\""
29:
30: #include "svr3.h"
31:
32: #undef CPP_PREDEFINES
33: #define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu(sparc) -Amachine(sparc)"
34:
35: /* just in case */
36: #undef DBX_DEBUGGING_INFO
37: #undef PREFERRED_DEBUGGING_TYPE
38: #define DBX_DEBUGGING_INFO
39: #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
40:
41: /* These are all necessary because this is how gdb expects gcc to output
42: stabs in coff. */
43:
44: /* Be function-relative for block and source line stab directives. */
45:
46: #define DBX_BLOCKS_FUNCTION_RELATIVE 1
47:
48: /* but, to make this work, functions must appear prior to line info. */
49:
50: #define DBX_FUNCTION_FIRST
51:
52: /* Generate a blank trailing N_SO to mark the end of the .o file, since
53: we can't depend upon the linker to mark .o file boundaries with
54: embedded stabs. */
55:
56: #define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
57: fprintf (FILE, \
58: "\t.text\n\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO)
59:
60: /* This is copied from final.c and sparc.h. */
61: #undef ASM_OUTPUT_SOURCE_LINE
62: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINE) \
63: { if (write_symbols == SDB_DEBUG) { \
64: fprintf ((FILE), "\t.ln\t%d\n", \
65: ((sdb_begin_function_line > -1) \
66: ? (LINE) - sdb_begin_function_line : 1)); \
67: } else if (write_symbols == DBX_DEBUG) { \
68: static int sym_lineno = 1; \
69: fprintf (FILE, ".stabn 68,0,%d,.LM%d-", \
70: LINE, sym_lineno); \
71: assemble_name (FILE, \
72: XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
73: fprintf (FILE, "\n.LM%d:\n", sym_lineno); \
74: sym_lineno += 1; \
75: } }
76:
77: /* Support the ctors and dtors sections for g++. */
78:
79: #undef INIT_SECTION_ASM_OP
80:
81: /* Support the ctors and dtors sections for g++. */
82:
83: #undef CTORS_SECTION_ASM_OP
84: #define CTORS_SECTION_ASM_OP ".section\t.ctors,\"x\""
85: #undef DTORS_SECTION_ASM_OP
86: #define DTORS_SECTION_ASM_OP ".section\t.dtors,\"x\""
87:
88: /* A list of other sections which the compiler might be "in" at any
89: given time. */
90:
91: #undef EXTRA_SECTIONS
92: #define EXTRA_SECTIONS in_const, in_bss, in_ctors, in_dtors
93:
94: /* A list of extra section function definitions. */
95:
96: #undef EXTRA_SECTION_FUNCTIONS
97: #define EXTRA_SECTION_FUNCTIONS \
98: CONST_SECTION_FUNCTION \
99: CTORS_SECTION_FUNCTION \
100: DTORS_SECTION_FUNCTION
101:
102: #define CTORS_SECTION_FUNCTION \
103: void \
104: ctors_section () \
105: { \
106: if (in_section != in_ctors) \
107: { \
108: fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
109: in_section = in_ctors; \
110: } \
111: }
112:
113: #define DTORS_SECTION_FUNCTION \
114: void \
115: dtors_section () \
116: { \
117: if (in_section != in_dtors) \
118: { \
119: fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
120: in_section = in_dtors; \
121: } \
122: }
123:
124: #define INT_ASM_OP ".long"
125:
126: /* A C statement (sans semicolon) to output an element in the table of
127: global constructors. */
128: #undef ASM_OUTPUT_CONSTRUCTOR
129: #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
130: do { \
131: ctors_section (); \
132: fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
133: assemble_name (FILE, NAME); \
134: fprintf (FILE, "\n"); \
135: } while (0)
136:
137: /* A C statement (sans semicolon) to output an element in the table of
138: global destructors. */
139: #undef ASM_OUTPUT_DESTRUCTOR
140: #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
141: do { \
142: dtors_section (); \
143: fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
144: assemble_name (FILE, NAME); \
145: fprintf (FILE, "\n"); \
146: } while (0)
147:
148: #undef DO_GLOBAL_CTORS_BODY
149: #undef DO_GLOBAL_DTORS_BODY
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.