Menu
▾
▴
[sdcc-devel] [ sdcc-Bugs-1469393 ] Compiler does not initialize static data
|
From: SourceForge.net <no...@so...> - 2006-04-12 20:10:28
|
Bugs item #1469393, was opened at 2006-04-12 18:50 Message generated for change (Comment added) made by anbj You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=100599&aid=1469393&group_id=599 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: ds390 target Group: None Status: Open Resolution: None Priority: 5 Submitted By: Nobody/Anonymous (nobody) Assigned to: Nobody/Anonymous (nobody) Summary: Compiler does not initialize static data Initial Comment: I'm using the DS80C400 and dallas evaluation card. At first, there are a couple of small bugs in the main makefile (has been there for some months now) 1-wire > diff sdcc/Makefile sdcc.patched/Makefile 79c79 < $(MAKE) -C device/lib modelDS390 --- > $(MAKE) -C device/lib model-ds390 model-ds400 107c107 < $(MAKE) -C device/lib installDS390 --- > $(MAKE) -C device/lib install Then what is more problemous is when im compiling this file: 1-wire > cat foo.c extern int printf (const char *,...); int main (void) { static unsigned char dscrc_table[256] = { 0x00, 0x5e, 0xbc, 0xe2, 0x61, 0x3f, 0xdd, 0x83}; int i; printf ("\n\nFOO\tBAAR\n"); for (i = 0; i < 8; i++) printf ("0x%x ", dscrc_table[i]); printf ("\n\nFOO\tBAAR\n"); return 0; } And the resulting assembler-file: 1-wire > cat foo.lst 1 ;-------------------------------------------------------- 2 ; File Created by SDCC : FreeWare ANSI-C Compiler 3 ; Version 2.5.6 #1246 (Apr 12 2006) 4 ; This file generated Wed Apr 12 18:39:40 2006 5 ;-------------------------------------------------------- 6 .module main 7 .optsdcc -mds400 --model-flat24 8 9 ;-------------------------------------------------------- 10 ; CPU specific extensions 11 ;-------------------------------------------------------- 12 .flat24 on ; 24 bit flat addressing 0084 13 dpl1 = 0x84 0085 14 dph1 = 0x85 0086 15 dps = 0x86 0093 16 dpx = 0x93 0095 17 dpx1 = 0x95 009B 18 esp = 0x9B 009C 19 ap = 0x9C 009C 20 _ap = 0x9C 00D1 21 mcnt0 = 0xD1 00D2 22 mcnt1 = 0xD2 00D3 23 ma = 0xD3 00D4 24 mb = 0xD4 00D5 25 mc = 0xD5 00D1 26 F1 = 0xD1 ; user flag 27 ;-------------------------------------------------------- 28 ; Public variables in this module 29 ;-------------------------------------------------------- 30 .globl _main 31 ;-------------------------------------------------------- 32 ; special function registers 33 ;-------------------------------------------------------- 34 ;-------------------------------------------------------- 35 ; special function bits 36 ;-------------------------------------------------------- 37 ;-------------------------------------------------------- 38 ; overlayable register banks 39 ;-------------------------------------------------------- 40 .area REG_BANK_0 (REL,OVR,DATA) 0000 41 .ds 8 42 .area REG_BANK_3 (REL,OVR,DATA) 0000 43 .ds 8 44 ;-------------------------------------------------------- 45 ; internal ram data 46 ;-------------------------------------------------------- 47 .area DSEG (DATA) 48 ;-------------------------------------------------------- 49 ; overlayable items in internal ram 50 ;-------------------------------------------------------- 51 .area OSEG (OVR,DATA) 52 ;-------------------------------------------------------- 53 ; Stack segment in internal ram 54 ;-------------------------------------------------------- 55 .area SSEG (DATA) 0000 56 __start__stack: 0000 57 .ds 1 58 59 ;-------------------------------------------------------- 60 ; indirectly addressable internal ram data 61 ;-------------------------------------------------------- 62 .area ISEG (DATA) 63 ;-------------------------------------------------------- 64 ; bit data 65 ;-------------------------------------------------------- 66 .area BSEG (BIT) 67 ;-------------------------------------------------------- 68 ; paged external ram data 69 ;-------------------------------------------------------- 70 .area PSEG (PAG,XDATA) 71 ;-------------------------------------------------------- 72 ; external ram data 73 ;-------------------------------------------------------- 74 .area XSEG (XDATA) 0000 75 _main_dscrc_table_1_1: 0000 76 .ds 256 77 ;-------------------------------------------------------- 78 ; external initialized ram data 79 ;-------------------------------------------------------- 80 ;-------------------------------------------------------- 81 ; the direct data area used by the DS80c400 ROM code. 82 ;-------------------------------------------------------- 83 .area ROMSEG (ABS,CON,DATA) 84 0000 85 .ds 24 ; 24 bytes of directs used starting at 0x68 86 87 ;-------------------------------------------------------- 88 ; interrupt vector 89 ;-------------------------------------------------------- 90 .area HOME (CODE) 0000 91 __interrupt_vect: 92 ; DS80C400 IVT must be generated at runtime. 0000 80 05 93 sjmp __sdcc_400boot 0002 54 49 4E 49 94 .ascii 'TINI' ; required signature for 400 boot loader. 0006 00 95 .db 0 ; selected bank: zero *should* work... 0007 02s00r00r00 96 __sdcc_400boot: ljmp __sdcc_gsinit_startup 97 ;-------------------------------------------------------- 98 ; global & static initialisations 99 ;-------------------------------------------------------- 100 .area HOME (CODE) 101 .area GSINIT (CODE) 102 .area GSFINAL (CODE) 103 .area GSINIT (CODE) 0000 104 __sdcc_gsinit_startup: 0000 12s00r00r00 105 lcall __sdcc_external_startup 0004 E5 82 106 mov a,dpl 0006 60 04 107 jz __sdcc_init_data 0008 02s00r00r00 108 ljmp __sdcc_program_startup 000C 109 __sdcc_init_data: 110 ;------------------------------------------------------------ 111 ;Allocation info for local variables in function 'main' 112 ;------------------------------------------------------------ 113 ;dscrc_table Allocated with name '_main_dscrc_table_1_1' 114 ;i Allocated to registers 115 ;------------------------------------------------------------ 116 ; main.c:5: static unsigned char dscrc_table[256] = { 117 .area GSFINAL (CODE) 0000 02s00r00r00 118 ljmp __sdcc_program_startup 119 ;-------------------------------------------------------- 120 ; Home 121 ;-------------------------------------------------------- 122 .area HOME (CODE) 123 .area CSEG (CODE) 0000 124 __sdcc_program_startup: 0000 12s00r00r06 125 lcall _main 126 ; return from main will lock up 0004 80 FE 127 sjmp . 128 ;-------------------------------------------------------- 129 ; code 130 ;-------------------------------------------------------- 131 .area CSEG (CODE) 132 ;------------------------------------------------------------ 133 ;Allocation info for local variables in function 'main' 134 ;------------------------------------------------------------ 135 ;dscrc_table Allocated with name '_main_dscrc_table_1_1' 136 ;i Allocated to registers 137 ;------------------------------------------------------------ 138 ; main.c:3: int main (void) 139 ; genFunction 140 ; ----------------------------------------- 141 ; function main 142 ; ----------------------------------------- 0006 143 _main: 0002 144 ar2 = 0x02 0003 145 ar3 = 0x03 0004 146 ar4 = 0x04 0005 147 ar5 = 0x05 0006 148 ar6 = 0x06 0007 149 ar7 = 0x07 0000 150 ar0 = 0x00 0001 151 ar1 = 0x01 152 ; main.c:10: printf ("\n\nFOO\tBAAR\n"); 153 ; genIpush 0006 74r00 154 mov a,#__str_0 0008 C0 E0 155 push acc 000A 74s00 156 mov a,#(__str_0 >> 8) 000C C0 E0 157 push acc 000E 74s00 158 mov a,#(__str_0 >> 16) 0010 C0 E0 159 push acc 0012 74 80 160 mov a,#0x80 0014 C0 E0 161 push acc 162 ; genCall 0016 12s00r00r00 163 lcall _printf 164 ; stack adjustment for parms 001A D0 E0 165 pop acc 001C D0 E0 166 pop acc 001E D0 E0 167 pop acc 0020 D0 E0 168 pop acc 169 ; main.c:12: for (i = 0; i < 8; i++) 170 ; genAssign 171 ; genAssign: resultIsFar = FALSE 0022 7A 00 172 mov r2,#0x00 0024 7B 00 173 mov r3,#0x00 174 ; genLabel 0026 175 00101$: 176 ; genCmpLt 177 ; genCmp 0026 C3 178 clr c 0027 EA 179 mov a,r2 0028 94 08 180 subb a,#0x08 002A EB 181 mov a,r3 002B 64 80 182 xrl a,#0x80 002D 94 80 183 subb a,#0x80 184 ; genIfxJump 185 ; Peephole 108 removed ljmp by inverse jump logic 002F 50 46 186 jnc 00104$ 0031 187 00110$: 188 ; main.c:13: printf ("0x%x ", dscrc_table[i]); 189 ; genPlus 0031 EA 190 mov a,r2 0032 24r00 191 add a,#_main_dscrc_table_1_1 0034 F5 82 192 mov dpl,a 0036 EB 193 mov a,r3 0037 34s00 194 addc a,#(_main_dscrc_table_1_1 >> 8) 0039 F5 83 195 mov dph,a 196 ; Peephole 3.d changed mov to clr 003B E4 197 clr a 003C 34s00 198 addc a,#(_main_dscrc_table_1_1 >> 16) 003E F5 93 199 mov dpx,a 200 ; genPointerGet 201 ; genFarPointerGet 0040 E0 202 movx a,@dptr 0041 FC 203 mov r4,a 204 ; genCast 0042 7D 00 205 mov r5,#0 206 ; genIpush 0044 C0 02 207 push ar2 0046 C0 03 208 push ar3 0048 C0 04 209 push ar4 004A C0 05 210 push ar5 211 ; genIpush 004C 74r0C 212 mov a,#__str_1 004E C0 E0 213 push acc 0050 74s00 214 mov a,#(__str_1 >> 8) 0052 C0 E0 215 push acc 0054 74s00 216 mov a,#(__str_1 >> 16) 0056 C0 E0 217 push acc 0058 74 80 218 mov a,#0x80 005A C0 E0 219 push acc 220 ; genCall 005C 12s00r00r00 221 lcall _printf 222 ; stack adjustment for parms 0060 D0 E0 223 pop acc 0062 D0 E0 224 pop acc 0064 D0 E0 225 pop acc 0066 D0 E0 226 pop acc 0068 D0 E0 227 pop acc 006A D0 E0 228 pop acc 006C D0 03 229 pop ar3 006E D0 02 230 pop ar2 231 ; main.c:12: for (i = 0; i < 8; i++) 232 ; genPlus 0070 0A 233 inc r2 0071 BA 00 01 234 cjne r2,#0,00111$ 0074 0B 235 inc r3 0075 236 00111$: 237 ; did genPlusIncr 238 ; genGoto 239 ; genLabel 240 ; Peephole 132 changed ljmp to sjmp 0075 80 AF 241 sjmp 00101$ 0077 242 00104$: 243 ; main.c:15: printf ("\n\nFOO\tBAAR\n"); 244 ; genIpush 0077 74r00 245 mov a,#__str_0 0079 C0 E0 246 push acc 007B 74s00 247 mov a,#(__str_0 >> 8) 007D C0 E0 248 push acc 007F 74s00 249 mov a,#(__str_0 >> 16) 0081 C0 E0 250 push acc 0083 74 80 251 mov a,#0x80 0085 C0 E0 252 push acc 253 ; genCall 0087 12s00r00r00 254 lcall _printf 255 ; stack adjustment for parms 008B D0 E0 256 pop acc 008D D0 E0 257 pop acc 008F D0 E0 258 pop acc 0091 D0 E0 259 pop acc 260 ; main.c:17: return 0; 261 ; genRet 262 ; Peephole 181 used 16 bit load of dptr 0093 90 00 00 00 263 mov dptr,#0x0000 264 ; genLabel 0097 265 00105$: 266 ; genEndFunction 0097 22 267 ret 268 .area CSEG (CODE) 269 .area CONST (CODE) 0000 270 __str_0: 0000 0A 271 .db 0x0A 0001 0A 272 .db 0x0A 0002 46 4F 4F 273 .ascii "FOO" 0005 09 274 .db 0x09 0006 42 41 41 52 275 .ascii "BAAR" 000A 0A 276 .db 0x0A 000B 00 277 .db 0x00 000C 278 __str_1: 000C 30 78 25 78 20 279 .ascii "0x%x " 0011 00 280 .db 0x00 The cmd-line: sdcc -c -mds400 --model-flat24 --stack-10bit --no-xinit-opt main.c BUT!! When i use this cmd-line, all data are initialized OK! sdcc -c -mds390 --model-flat24 --stack-10bit --no-xinit-opt main.c Somewhere the static initializing-code is dropped, when i compile for the ds400.. If You need more info, mail me. and...@va... Keep up Your good work! /Anders ---------------------------------------------------------------------- Comment By: Anders (anbj) Date: 2006-04-12 22:10 Message: Logged In: YES user_id=1500804 -mds400, does not initialize any "static" arrays -- (un)signed FOO foo[] = {'da','da','da'}; not even in main: int main (....) { static FOO foo[] = {foo, foo, foo, foo} ....... } does not result in any initializison of variables...... whith flag -mds390: all works OK! /anders ---------------------------------------------------------------------- Comment By: Anders (anbj) Date: 2006-04-12 22:00 Message: Logged In: YES user_id=1500804 -mds400, does not initialize any "static" arrays -- (un)signed FOO foo[] = {'da','da','da'}; not even in main: int main (....) { static FOO foo[] = {foo, foo, foo, foo} ....... } does not result in any initializison of variables...... whith flag -mds390: all works OK! /anders ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=100599&aid=1469393&group_id=599 |