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comparison lwlink/output.c @ 252:4dc2a10997a6 2.x

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Fixed LWEX binary output when BSS size > 0
author lost
date Sat, 28 Nov 2009 04:46:09 +0000
parents bae1e3ecdce1
children
comparison
equal deleted inserted replaced
251:f6af5791472c 252:4dc2a10997a6
160 void do_output_lwex0(FILE *of) 160 void do_output_lwex0(FILE *of)
161 { 161 {
162 int nskips = 0; // used to output blanks for BSS inline 162 int nskips = 0; // used to output blanks for BSS inline
163 int sn; 163 int sn;
164 int codedatasize = 0; 164 int codedatasize = 0;
165 int coffs;
165 unsigned char buf[32]; 166 unsigned char buf[32];
166 167 int fsize = 0;
168
167 // calculate items for the file header 169 // calculate items for the file header
168 for (sn = 0; sn < nsects; sn++) 170 for (sn = 0; sn < nsects; sn++)
169 { 171 {
172 // fprintf(stderr, "Counting: %s (%s) at %04X (%04X bytes), calc total = %04X\n", sectlist[sn].ptr -> name, sectlist[sn].ptr -> file -> filename, sectlist[sn].ptr -> loadaddress, sectlist[sn].ptr -> codesize, codedatasize);
170 if (sectlist[sn].ptr -> flags & SECTION_BSS) 173 if (sectlist[sn].ptr -> flags & SECTION_BSS)
171 { 174 {
172 // no output for a BSS section 175 // no output for a BSS section
173 nskips += sectlist[sn].ptr -> codesize; 176 nskips += sectlist[sn].ptr -> codesize;
174 continue; 177 continue;
192 buf[10] = codedatasize / 256; 195 buf[10] = codedatasize / 256;
193 buf[11] = codedatasize & 0xff; 196 buf[11] = codedatasize & 0xff;
194 buf[12] = linkscript.execaddr / 256; 197 buf[12] = linkscript.execaddr / 256;
195 buf[13] = linkscript.execaddr & 0xff; 198 buf[13] = linkscript.execaddr & 0xff;
196 memset(buf + 14, 0, 18); 199 memset(buf + 14, 0, 18);
200
201 // fprintf(stderr, "Exec addr %04X, stacksize %04X, codesize %04X, bss size %04X\n", linkscript.execaddr, linkscript.stacksize, codedatasize, nskips);
197 202
198 writebytes(buf, 1, 32, of); 203 writebytes(buf, 1, 32, of);
204 fsize = 32;
205 coffs = 0x100;
206 nskips = 0;
199 // output the data 207 // output the data
200 // NOTE: disjoint load addresses will not work correctly!!!!! 208 // NOTE: disjoint load addresses will not work correctly!!!!!
201 for (sn = 0; sn < nsects; sn++) 209 for (sn = 0; sn < nsects; sn++)
202 { 210 {
211 // fprintf(stderr, "Outputting: %s (%s) at %04X (%04X bytes), calc offset = %04X, file offset = %04X\n", sectlist[sn].ptr -> name, sectlist[sn].ptr -> file -> filename, sectlist[sn].ptr -> loadaddress, sectlist[sn].ptr -> codesize, coffs, fsize);
203 if (sectlist[sn].ptr -> flags & SECTION_BSS) 212 if (sectlist[sn].ptr -> flags & SECTION_BSS)
204 { 213 {
205 // no output for a BSS section 214 // no output for a BSS section
206 nskips += sectlist[sn].ptr -> codesize; 215 nskips += sectlist[sn].ptr -> codesize;
216 coffs += sectlist[sn].ptr -> codesize;
207 continue; 217 continue;
208 } 218 }
209 while (nskips > 0) 219 while (nskips > 0)
210 { 220 {
211 // the "" is not an error - it turns into a single NUL byte! 221 // the "" is not an error - it turns into a single NUL byte!
212 writebytes("", 1, 1, of); 222 writebytes("", 1, 1, of);
213 nskips--; 223 nskips--;
224 fsize += 1;
214 } 225 }
215 writebytes(sectlist[sn].ptr -> code, 1, sectlist[sn].ptr -> codesize, of); 226 writebytes(sectlist[sn].ptr -> code, 1, sectlist[sn].ptr -> codesize, of);
216 } 227 coffs += sectlist[sn].ptr -> codesize;
217 } 228 fsize += sectlist[sn].ptr -> codesize;
229 }
230 }