Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/picochip/libgccExtras/longjmp.asm @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | f6334be47118 |
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1 // picoChip ASM file | |
2 // | |
3 // Support for 32-bit arithmetic shift right. | |
4 // | |
5 // Copyright (C) 2003, 2004, 2005, 2008, 2009 Free Software Foundation, Inc. | |
6 // Contributed by picoChip Designs Ltd. | |
7 // Maintained by Hariharan Sandanagobalane (hariharan@picochip.com) | |
8 // | |
9 // This file is free software; you can redistribute it and/or modify it | |
10 // under the terms of the GNU General Public License as published by the | |
11 // Free Software Foundation; either version 3, or (at your option) any | |
12 // later version. | |
13 // | |
14 // This file is distributed in the hope that it will be useful, but | |
15 // WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 // General Public License for more details. | |
18 // | |
19 // Under Section 7 of GPL version 3, you are granted additional | |
20 // permissions described in the GCC Runtime Library Exception, version | |
21 // 3.1, as published by the Free Software Foundation. | |
22 // | |
23 // You should have received a copy of the GNU General Public License and | |
24 // a copy of the GCC Runtime Library Exception along with this program; | |
25 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
26 // <http://www.gnu.org/licenses/>. | |
27 | |
28 .section .text | |
29 | |
30 .global _longjmp | |
31 _longjmp: | |
32 _picoMark_FUNCTION_BEGIN= | |
33 | |
34 // picoChip Function Prologue : &_longjmp = 0 bytes | |
35 | |
36 LDL (R0)0, R[3:2] | |
37 LDL (R0)1, R[5:4] | |
38 LDL (R0)2, R[7:6] | |
39 LDL (R0)3, R[9:8] | |
40 LDL (R0)4, R[11:10] | |
41 LDL (R0)5, R[13:12] | |
42 LDW (R0)12, R14 | |
43 LDW (R0)13, R1 | |
44 JR (R12) | |
45 =-> COPY.0 1,R0 | |
46 | |
47 // picoChip Function Epilogue : longjmp | |
48 //============================================================================ | |
49 // All DWARF information between this marker, and the END OF DWARF | |
50 // marker should be included in the source file. Search for | |
51 // FUNCTION_STACK_SIZE_GOES_HERE and FUNCTION NAME GOES HERE, and | |
52 // provide the relevent information. Add markers called | |
53 // _picoMark_FUNCTION_BEGIN and _picoMark_FUNCTION_END around the | |
54 // function in question. | |
55 //============================================================================ | |
56 | |
57 //============================================================================ | |
58 // Frame information. | |
59 //============================================================================ | |
60 | |
61 .section .debug_frame | |
62 _picoMark_DebugFrame= | |
63 | |
64 // Common CIE header. | |
65 .unalignedInitLong _picoMark_CieEnd-_picoMark_CieBegin | |
66 _picoMark_CieBegin= | |
67 .unalignedInitLong 0xffffffff | |
68 .initByte 0x1 // CIE Version | |
69 .ascii 16#0# // CIE Augmentation | |
70 .uleb128 0x1 // CIE Code Alignment Factor | |
71 .sleb128 2 // CIE Data Alignment Factor | |
72 .initByte 0xc // CIE RA Column | |
73 .initByte 0xc // DW_CFA_def_cfa | |
74 .uleb128 0xd | |
75 .uleb128 0x0 | |
76 .align 2 | |
77 _picoMark_CieEnd= | |
78 | |
79 // FDE | |
80 _picoMark_LSFDE0I900821033007563= | |
81 .unalignedInitLong _picoMark_FdeEnd-_picoMark_FdeBegin | |
82 _picoMark_FdeBegin= | |
83 .unalignedInitLong _picoMark_DebugFrame // FDE CIE offset | |
84 .unalignedInitWord _picoMark_FUNCTION_BEGIN // FDE initial location | |
85 .unalignedInitWord _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN | |
86 .initByte 0xe // DW_CFA_def_cfa_offset | |
87 .uleb128 0x0 // <-- FUNCTION_STACK_SIZE_GOES_HERE | |
88 .initByte 0x4 // DW_CFA_advance_loc4 | |
89 .unalignedInitLong _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN | |
90 .initByte 0xe // DW_CFA_def_cfa_offset | |
91 .uleb128 0x0 | |
92 .align 2 | |
93 _picoMark_FdeEnd= | |
94 | |
95 //============================================================================ | |
96 // Abbrevation information. | |
97 //============================================================================ | |
98 | |
99 .section .debug_abbrev | |
100 _picoMark_ABBREVIATIONS= | |
101 | |
102 .section .debug_abbrev | |
103 .uleb128 0x1 // (abbrev code) | |
104 .uleb128 0x11 // (TAG: DW_TAG_compile_unit) | |
105 .initByte 0x1 // DW_children_yes | |
106 .uleb128 0x10 // (DW_AT_stmt_list) | |
107 .uleb128 0x6 // (DW_FORM_data4) | |
108 .uleb128 0x12 // (DW_AT_high_pc) | |
109 .uleb128 0x1 // (DW_FORM_addr) | |
110 .uleb128 0x11 // (DW_AT_low_pc) | |
111 .uleb128 0x1 // (DW_FORM_addr) | |
112 .uleb128 0x25 // (DW_AT_producer) | |
113 .uleb128 0x8 // (DW_FORM_string) | |
114 .uleb128 0x13 // (DW_AT_language) | |
115 .uleb128 0x5 // (DW_FORM_data2) | |
116 .uleb128 0x3 // (DW_AT_name) | |
117 .uleb128 0x8 // (DW_FORM_string) | |
118 .initByte 0x0 | |
119 .initByte 0x0 | |
120 | |
121 .uleb128 0x2 ;# (abbrev code) | |
122 .uleb128 0x2e ;# (TAG: DW_TAG_subprogram) | |
123 .initByte 0x0 ;# DW_children_no | |
124 .uleb128 0x3 ;# (DW_AT_name) | |
125 .uleb128 0x8 ;# (DW_FORM_string) | |
126 .uleb128 0x11 ;# (DW_AT_low_pc) | |
127 .uleb128 0x1 ;# (DW_FORM_addr) | |
128 .uleb128 0x12 ;# (DW_AT_high_pc) | |
129 .uleb128 0x1 ;# (DW_FORM_addr) | |
130 .initByte 0x0 | |
131 .initByte 0x0 | |
132 | |
133 .initByte 0x0 | |
134 | |
135 //============================================================================ | |
136 // Line information. DwarfLib requires this to be present, but it can | |
137 // be empty. | |
138 //============================================================================ | |
139 | |
140 .section .debug_line | |
141 _picoMark_LINES= | |
142 | |
143 //============================================================================ | |
144 // Debug Information | |
145 //============================================================================ | |
146 .section .debug_info | |
147 | |
148 //Fixed header. | |
149 .unalignedInitLong _picoMark_DEBUG_INFO_END-_picoMark_DEBUG_INFO_BEGIN | |
150 _picoMark_DEBUG_INFO_BEGIN= | |
151 .unalignedInitWord 0x2 | |
152 .unalignedInitLong _picoMark_ABBREVIATIONS | |
153 .initByte 0x2 | |
154 | |
155 // Compile unit information. | |
156 .uleb128 0x1 // (DIE 0xb) DW_TAG_compile_unit) | |
157 .unalignedInitLong _picoMark_LINES | |
158 .unalignedInitWord _picoMark_FUNCTION_END | |
159 .unalignedInitWord _picoMark_FUNCTION_BEGIN | |
160 // Producer is `picoChip' | |
161 .ascii 16#70# 16#69# 16#63# 16#6f# 16#43# 16#68# 16#69# 16#70# 16#00# | |
162 .unalignedInitWord 0xcafe // ASM language | |
163 .ascii 16#0# // Name. DwarfLib expects this to be present. | |
164 | |
165 .uleb128 0x2 ;# (DIE DW_TAG_subprogram) | |
166 | |
167 // FUNCTION NAME GOES HERE. Use `echo name | od -t x1' to get the hex. Each hex | |
168 // digit is specified using the format 16#XX# | |
169 .ascii 16#6c# 16#6f# 16#6e# 16#67# 16#6a# 16#6d# 16#70# 16#0# // Function name `longjmp' | |
170 .unalignedInitWord _picoMark_FUNCTION_BEGIN // DW_AT_low_pc | |
171 .unalignedInitWord _picoMark_FUNCTION_END // DW_AT_high_pc | |
172 | |
173 .initByte 0x0 // end of compile unit children. | |
174 | |
175 _picoMark_DEBUG_INFO_END= | |
176 | |
177 //============================================================================ | |
178 // END OF DWARF | |
179 //============================================================================ | |
180 | |
181 .section .endFile | |
182 // End of picoChip ASM file |