3 // Support for 32-bit logical shift right.
5 // Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
6 // Contributed by picoChip Designs Ltd.
7 // Maintained by Hariharan Sandanagobalane (hariharan@picochip.com)
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 2, or (at your option) any
14 // In addition to the permissions in the GNU General Public License, the
15 // Free Software Foundation gives you unlimited permission to link the
16 // compiled version of this file into combinations with other programs,
17 // and to distribute those combinations without any restriction coming
18 // from the use of this file. (The General Public License restrictions
19 // do apply in other respects; for example, they cover modification of
20 // the file, and distribution when not linked into a combine
23 // This file is distributed in the hope that it will be useful, but
24 // WITHOUT ANY WARRANTY; without even the implied warranty of
25 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 // General Public License for more details.
28 // You should have received a copy of the GNU General Public License
29 // along with this program; see the file COPYING. If not, write to
30 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
31 // Boston, MA 02110-1301, USA.
36 _picoMark_FUNCTION_BEGIN=
38 // picoChip Function Prologue : &___lshrsi3 = 4 bytes
40 // if (R2 > 15) goto _L2
43 =-> SUB.0 16,R2,R5 // R5 := R5 - R2 (HI)
45 LSR.0 R0,R2,R0 // R4 := R0 >> R2
46 LSR.0 R1,R2,R3 // R3 := R1 >> R2
47 // if (R2 == 0) goto _L4
48 LSL.0 R1,R5,R5 // R5 := R1 << R5
49 OR.0 R5,R0,R4 // R2 := R5 IOR R2 (HI)
51 COPYNE R4,R0 // R0 := R2
52 JR (R12) // Return to caller
53 =-> COPY.0 R3,R1 // R1 := R3
56 LSR.0 R1,R2,R0 // R2 := R1 >> R2
57 JR (R12) // Return to caller
58 =-> COPY.0 0,R1 // R3 := 0 (short constant)
60 _picoMark_FUNCTION_END=
61 // picoChip Function Epilogue : __lshrsi3
63 //============================================================================
64 // All DWARF information between this marker, and the END OF DWARF
65 // marker should be included in the source file. Search for
66 // FUNCTION_STACK_SIZE_GOES_HERE and FUNCTION NAME GOES HERE, and
67 // provide the relevent information. Add markers called
68 // _picoMark_FUNCTION_BEGIN and _picoMark_FUNCTION_END around the
69 // function in question.
70 //============================================================================
72 //============================================================================
74 //============================================================================
80 .unalignedInitLong _picoMark_CieEnd-_picoMark_CieBegin
82 .unalignedInitLong 0xffffffff
83 .initByte 0x1 // CIE Version
84 .ascii 16#0# // CIE Augmentation
85 .uleb128 0x1 // CIE Code Alignment Factor
86 .sleb128 2 // CIE Data Alignment Factor
87 .initByte 0xc // CIE RA Column
88 .initByte 0xc // DW_CFA_def_cfa
95 _picoMark_LSFDE0I900821033007563=
96 .unalignedInitLong _picoMark_FdeEnd-_picoMark_FdeBegin
98 .unalignedInitLong _picoMark_DebugFrame // FDE CIE offset
99 .unalignedInitWord _picoMark_FUNCTION_BEGIN // FDE initial location
100 .unalignedInitWord _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
101 .initByte 0xe // DW_CFA_def_cfa_offset
102 .uleb128 0x4 // <-- FUNCTION_STACK_SIZE_GOES_HERE
103 .initByte 0x4 // DW_CFA_advance_loc4
104 .unalignedInitLong _picoMark_FUNCTION_END-_picoMark_FUNCTION_BEGIN
105 .initByte 0xe // DW_CFA_def_cfa_offset
110 //============================================================================
111 // Abbrevation information.
112 //============================================================================
114 .section .debug_abbrev
115 _picoMark_ABBREVIATIONS=
117 .section .debug_abbrev
118 .uleb128 0x1 // (abbrev code)
119 .uleb128 0x11 // (TAG: DW_TAG_compile_unit)
120 .initByte 0x1 // DW_children_yes
121 .uleb128 0x10 // (DW_AT_stmt_list)
122 .uleb128 0x6 // (DW_FORM_data4)
123 .uleb128 0x12 // (DW_AT_high_pc)
124 .uleb128 0x1 // (DW_FORM_addr)
125 .uleb128 0x11 // (DW_AT_low_pc)
126 .uleb128 0x1 // (DW_FORM_addr)
127 .uleb128 0x25 // (DW_AT_producer)
128 .uleb128 0x8 // (DW_FORM_string)
129 .uleb128 0x13 // (DW_AT_language)
130 .uleb128 0x5 // (DW_FORM_data2)
131 .uleb128 0x3 // (DW_AT_name)
132 .uleb128 0x8 // (DW_FORM_string)
136 .uleb128 0x2 ;# (abbrev code)
137 .uleb128 0x2e ;# (TAG: DW_TAG_subprogram)
138 .initByte 0x0 ;# DW_children_no
139 .uleb128 0x3 ;# (DW_AT_name)
140 .uleb128 0x8 ;# (DW_FORM_string)
141 .uleb128 0x11 ;# (DW_AT_low_pc)
142 .uleb128 0x1 ;# (DW_FORM_addr)
143 .uleb128 0x12 ;# (DW_AT_high_pc)
144 .uleb128 0x1 ;# (DW_FORM_addr)
150 //============================================================================
151 // Line information. DwarfLib requires this to be present, but it can
153 //============================================================================
158 //============================================================================
160 //============================================================================
164 .unalignedInitLong _picoMark_DEBUG_INFO_END-_picoMark_DEBUG_INFO_BEGIN
165 _picoMark_DEBUG_INFO_BEGIN=
166 .unalignedInitWord 0x2
167 .unalignedInitLong _picoMark_ABBREVIATIONS
170 // Compile unit information.
171 .uleb128 0x1 // (DIE 0xb) DW_TAG_compile_unit)
172 .unalignedInitLong _picoMark_LINES
173 .unalignedInitWord _picoMark_FUNCTION_END
174 .unalignedInitWord _picoMark_FUNCTION_BEGIN
175 // Producer is `picoChip'
176 .ascii 16#70# 16#69# 16#63# 16#6f# 16#43# 16#68# 16#69# 16#70# 16#00#
177 .unalignedInitWord 0xcafe // ASM language
178 .ascii 16#0# // Name. DwarfLib expects this to be present.
180 .uleb128 0x2 ;# (DIE DW_TAG_subprogram)
182 // FUNCTION NAME GOES HERE. Use `echo name | od -t x1' to get the hex. Each hex
183 // digit is specified using the format 16#XX#
184 .ascii 16#5f# 16#5f# 16#6c# 16#73# 16#68# 16#72# 16#72# 16#73# 16#69# 16#33# 16#0# // Function name `__lshrsi3'
185 .unalignedInitWord _picoMark_FUNCTION_BEGIN // DW_AT_low_pc
186 .unalignedInitWord _picoMark_FUNCTION_END // DW_AT_high_pc
188 .initByte 0x0 // end of compile unit children.
190 _picoMark_DEBUG_INFO_END=
192 //============================================================================
194 //============================================================================