#include "symbol.h"
#include "mark.h"
#include "error.h"
-#include "risca.h"
+#include "riscasm.h"
-LONG symsize = 0; // Size of BSD symbol table
-LONG strindx = 0x00000004; // BSD string table index
-char * strtable; // Pointer to the symbol string table
-char * objimage; // Global object image pointer
+LONG symsize = 0; // Size of BSD symbol table
+LONG strindx = 0x00000004; // BSD string table index
+char * strtable; // Pointer to the symbol string table
+char * objimage; // Global object image pointer
//
//
char * constr_bsdsymtab(char * buf, SYM * sym, int globflag)
{
- LONG z; // Scratch long
- WORD w1; // Scratch word
- int w2; // Scratch long
+ LONG z; // Scratch long
+ WORD w1; // Scratch word
+ int w2; // Scratch long
- chptr = buf; // Point to buffer for deposit longs
- D_long(strindx); // Deposit the symbol string index
+ chptr = buf; // Point to buffer for deposit longs
+ D_long(strindx); // Deposit the symbol string index
- w1 = sym->sattr; // Obtain symbol attribute
+ w1 = sym->sattr; // Obtain symbol attribute
w2 = sym->sattre;
- z = 0; // Initialise resulting symbol flags
+ z = 0; // Initialise resulting symbol flags
if (w1 & EQUATED)
{
- z = 0x02000000; // Set equated flag
+ z = 0x02000000; // Set equated flag
}
else
{
switch (w1 & TDB)
{
- case TEXT: z = 0x04000000; break; // Set TEXT segment flag
- case DATA: z = 0x06000000; break; // Set DATA segment flag
- case BSS : z = 0x08000000; break; // Set BSS segment flag
+ case TEXT: z = 0x04000000; break; // Set TEXT segment flag
+ case DATA: z = 0x06000000; break; // Set DATA segment flag
+ case BSS : z = 0x08000000; break; // Set BSS segment flag
}
}
if (globflag)
- z |= 0x01000000; // Set global flag if requested
+ z |= 0x01000000; // Set global flag if requested
- D_long(z); // Deposit symbol attribute
+ D_long(z); // Deposit symbol attribute
- z = sym->svalue; // Obtain symbol value
- w1 &= DATA|BSS; // Determine DATA or BSS flag
+ z = sym->svalue; // Obtain symbol value
+ w1 &= DATA | BSS; // Determine DATA or BSS flag
if (w1)
- z += sect[TEXT].sloc; // If DATA or BSS add TEXT segment size
+ z += sect[TEXT].sloc; // If DATA or BSS add TEXT segment size
if (w1 & BSS)
- z += sect[DATA].sloc; // If BSS add DATA segment size
+ z += sect[DATA].sloc; // If BSS add DATA segment size
- D_long(z); // Deposit symbol value
+ D_long(z); // Deposit symbol value
strcpy(strtable + strindx, sym->sname);
- strindx += strlen(sym->sname) + 1; // Incr string index incl null terminate
- buf += 12; // Increment buffer to next record
- symsize += 12; // Increment symbol table size
+ strindx += strlen(sym->sname) + 1; // Incr string index incl null terminate
+ buf += 12; // Increment buffer to next record
+ symsize += 12; // Increment symbol table size
return buf;
}
//
int object(WORD fd)
{
- LONG t; // Scratch long
- LONG tds; // TEXT & DATA segment size
- int i; // Temporary int
- CHUNK * cp; // Chunk (for gather)
- char * buf; // Scratch area
- char * p; // Temporary ptr
- LONG ssize; // Size of symbols
- LONG trsize, drsize; // Size of relocations
+ LONG t; // Scratch long
+ LONG tds; // TEXT & DATA segment size
+ int i; // Temporary int
+ CHUNK * cp; // Chunk (for gather)
+ char * buf; // Scratch area
+ char * p; // Temporary ptr
+ LONG ssize; // Size of symbols
+ LONG trsize, drsize; // Size of relocations
+ long unused; // For supressing 'write' warnings
// Write requested object file...
switch (obj_format)
{
case BSD:
- ssize = ((LONG)sy_assign(NULL, NULL)); // Assign index numbers to the symbols
- tds = sect[TEXT].sloc + sect[DATA].sloc; // Get size of TEXT and DATA segment
- buf = malloc(0x400000); // Allocate 4mb object file image memory
+ ssize = ((LONG)sy_assign(NULL, NULL)); // Assign index numbers to the symbols
+ tds = sect[TEXT].sloc + sect[DATA].sloc; // Get size of TEXT and DATA segment
+ buf = malloc(0x600000); // Allocate 6mb object file image memory
if (buf == NULL)
{
return ERROR;
}
- memset(buf, 0, 0x400000); // Reset allocated memory
- objimage = buf; // Set global object image pointer
- strtable = malloc(0x200000); // Allocate 2mb scratch buffer
+ memset(buf, 0, 0x600000); // Reset allocated memory
+ objimage = buf; // Set global object image pointer
+ strtable = malloc(0x200000); // Allocate 2mb scratch buffer
if (strtable == NULL)
{
return ERROR;
}
- memset(strtable, 0, 0x200000); // Reset allocated memory
+ memset(strtable, 0, 0x200000); // Reset allocated memory
// Build object file header
- chptr = buf; // Base of header
- t = 0x00000107;
- D_long(t); // Magic number
- t = sect[TEXT].sloc; // TEXT size
- D_long(t);
- t = sect[DATA].sloc; // DATA size
- D_long(t);
- t = sect[BSS].sloc; // BSS size
- D_long(t);
- t = 0x00000000;
- D_long(t); // Symbol size
- D_long(t); // First entry (0L)
- D_long(t); // TEXT relocation size
- D_long(t); // BSD relocation size
+ chptr = buf; // Base of header
+ D_long(0x00000107); // Magic number
+ D_long(sect[TEXT].sloc); // TEXT size
+ D_long(sect[DATA].sloc); // DATA size
+ D_long(sect[BSS].sloc); // BSS size
+ D_long(0x00000000); // Symbol size
+ D_long(0x00000000); // First entry (0L)
+ D_long(0x00000000); // TEXT relocation size
+ D_long(0x00000000); // BSD relocation size
// Construct TEXT and DATA segments (without relocation changes)
p = buf + BSDHDRSIZE;
}
// Do relocation tables (and make changes to segment data)
- p = buf + (BSDHDRSIZE + tds); // Move obj image ptr to reloc info
+ p = buf + (BSDHDRSIZE + tds); // Move obj image ptr to reloc info
trsize = bsdmarkimg(p, tds, sect[TEXT].sloc, TEXT);// Do TEXT relocation table
- chptr = buf + 24; // Point to relocation hdr entry
- D_long(trsize); // Write the relocation table size
- p = buf + (BSDHDRSIZE + tds + trsize); // Move obj image ptr to reloc info
+ chptr = buf + 24; // Point to relocation hdr entry
+ D_long(trsize); // Write the relocation table size
+ p = buf + (BSDHDRSIZE + tds + trsize); // Move obj image ptr to reloc info
drsize = bsdmarkimg(p, tds, sect[TEXT].sloc, DATA);// Do DATA relocation table
- chptr = buf + 28; // Point to relocation hdr entry
- D_long(drsize); // Write the relocation table size
+ chptr = buf + 28; // Point to relocation hdr entry
+ D_long(drsize); // Write the relocation table size
- p = buf + (BSDHDRSIZE + tds + trsize + drsize); // Point to start of symbol table
- sy_assign(p, constr_bsdsymtab); // Build symbol and string tables
- chptr = buf + 16; // Point to sym table size hdr entry
- D_long(symsize); // Write the symbol table size
+ p = buf + (BSDHDRSIZE + tds + trsize + drsize);// Point to start of symbol table
+ sy_assign(p, constr_bsdsymtab); // Build symbol and string tables
+ chptr = buf + 16; // Point to sym table size hdr entry
+ D_long(symsize); // Write the symbol table size
// Point to string table
p = buf + (BSDHDRSIZE + tds + trsize + drsize + symsize);
- memcpy(p, strtable, strindx); // Copy string table to object image
+ memcpy(p, strtable, strindx); // Copy string table to object image
if (buf)
- free(strtable); // Free allocated memory
+ free(strtable); // Free allocated memory
- chptr = p; // Point to string table size long
- D_long(strindx); // Write string table size
+ chptr = p; // Point to string table size long
+ D_long(strindx); // Write string table size
// Write the BSD object file from the object image buffer
- write(fd, buf, BSDHDRSIZE + tds + trsize + drsize + symsize + strindx + 4);
+ unused = write(fd, buf, BSDHDRSIZE + tds + trsize + drsize + symsize + strindx + 4);
if (buf)
- free(buf); // Free allocated memory
+ free(buf); // Free allocated memory
break;
}
projects / rmac / blobdiff