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https://github.com/dschmenk/PLASMA.git
synced 2025-04-05 03:37:43 +00:00
Speed up module loading (remove unused features, too)
This commit is contained in:
David Schmenk
parent
e48d3cc112
commit
72fbb94dd1
@ -769,15 +769,15 @@ def lookupextern(esd, index)#1
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byte str[16]
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while ^esd
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sym = esd
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esd = esd + dcitos(esd, @str)
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esd = sym + dcitos(sym, @str)
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if esd->0 & $10 and esd->1 == index
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addr = lookuptbl(sym, symtbl)
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if !addr
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if !addr
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perr = $81
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cout('?')
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prstr(@str)
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crout
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fin
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cout('?')
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prstr(@str)
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crout
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fin
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return addr
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fin
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esd = esd + 3
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@ -808,7 +808,7 @@ def loadmod(mod)#1
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word addr, modaddr, modfix, modofst, modend
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word deftbl, deflast
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word moddep, rld, esd, sym
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byte str[17], filename[17]
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byte type, str[17], filename[17]
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byte header[128]
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//
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// Read the RELocatable module header (first 128 bytes)
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@ -875,6 +875,7 @@ def loadmod(mod)#1
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modofst = modfix - MODADDR
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modend = modaddr + modsize
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bytecode = defofst + modofst
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defofst = bytecode - defofst
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rld = modend // Re-Locatable Directory
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esd = rld // Extern+Entry Symbol Directory
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while ^esd // Scan to end of ESD
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@ -882,40 +883,43 @@ def loadmod(mod)#1
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loop
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esd = esd + 1
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//
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// Run through the DeFinition Dictionary.
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//
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while ^rld == $02
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//
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// This is a bytcode def entry - add it to the def directory.
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//
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adddef(rld=>1 + defofst, @deflast)
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rld = rld + 4
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loop
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//
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// Run through the Re-Location Dictionary.
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//
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while ^rld
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if ^rld == $02
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//
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// This is a bytcode def entry - add it to the def directory.
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//
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adddef(rld=>1 - defofst + bytecode, @deflast)
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else
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addr = rld=>1 + modfix
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if uword_isge(addr, modaddr) // Skip fixups to header
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if ^rld & $80 // WORD sized fixup.
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fixup = *addr
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else // BYTE sized fixup.
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fixup = ^addr
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fin
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if ^rld & $10 // EXTERN reference.
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fixup = fixup + lookupextern(esd, rld->3)
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else // INTERN fixup.
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fixup = fixup + modofst
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if uword_isge(fixup, bytecode)
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//
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// Bytecode address - replace with call def directory.
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//
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fixup = lookupdef(fixup - bytecode + bytecode, deftbl)
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fin
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fin
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if ^rld & $80 // WORD sized fixup.
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*addr = fixup
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else // BYTE sized fixup.
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^addr = fixup
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addr = rld=>1 + modfix
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//if uword_isge(addr, modaddr) // Skip fixups to header
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//if type & $80 // WORD sized fixup.
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// fixup = *addr
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//else // BYTE sized fixup.
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fixup = ^addr
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//fin
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if ^rld & $10 // EXTERN reference.
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fixup = fixup + lookupextern(esd, rld->3)
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else // INTERN fixup.
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fixup = fixup + modofst
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if uword_isge(fixup, bytecode)
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//
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// Bytecode address - replace with call def directory.
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//
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fixup = lookupdef(fixup + defofst, deftbl)
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fin
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fin
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fin
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//if type & $80 // WORD sized fixup.
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*addr = fixup
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//else // BYTE sized fixup.
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// ^addr = fixup
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//fin
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//fin
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rld = rld + 4
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loop
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//
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@ -933,7 +937,7 @@ def loadmod(mod)#1
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//
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// Use the def directory address for bytecode.
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//
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addr = lookupdef(addr - bytecode + bytecode, deftbl)
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addr = lookupdef(addr + defofst, deftbl)
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fin
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addsym(sym, addr)
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fin
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@ -902,7 +902,7 @@ def lookupextern(esd, index)#1
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byte str[16]
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while ^esd
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sym = esd
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esd = esd + dcitos(esd, @str)
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esd = sym + dcitos(sym, @str)
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if esd->0 & $10 and esd->1 == index
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addr = lookuptbl(sym, symtbl)
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if !addr
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@ -939,7 +939,7 @@ def lookupdef(addr, deftbl)#1
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return 0
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end
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def loadmod(mod)#1
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word refnum, rdlen, modsize, bytecode, defofst, defcnt, init, fixup
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word refnum, rdlen, modsize, bytecode, codefix, defofst, defcnt, init, fixup
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word addr, defaddr, modaddr, modfix, modofst, modend
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word deftbl, deflast
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word moddep, rld, esd, sym
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@ -1038,41 +1038,46 @@ def loadmod(mod)#1
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defbank = 0
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defaddr = bytecode
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fin
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codefix = defaddr - bytecode
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defofst = defaddr - defofst
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//
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// Run through the DeFinition Dictionary.
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//
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while ^rld == $02
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//
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// This is a bytcode def entry - add it to the def directory.
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//
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adddef(defbank, rld=>1 + defofst, @deflast)
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rld = rld + 4
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loop
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//
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// Run through the Re-Location Dictionary.
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//
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while ^rld
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if ^rld == $02
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//
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// This is a bytcode def entry - add it to the def directory.
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//
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adddef(defbank, rld=>1 - defofst + defaddr, @deflast)
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else
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addr = rld=>1 + modfix
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if uword_isge(addr, modaddr) // Skip fixups to header
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if ^rld & $80 // WORD sized fixup.
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fixup = *addr
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else // BYTE sized fixup.
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fixup = ^addr
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fin
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if ^rld & $10 // EXTERN reference.
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fixup = fixup + lookupextern(esd, rld->3)
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else // INTERN fixup.
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fixup = fixup + modofst
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if uword_isge(fixup, bytecode)
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//
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// Bytecode address - replace with call def directory.
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//
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fixup = lookupdef(fixup - bytecode + defaddr, deftbl)
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fin
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fin
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if ^rld & $80 // WORD sized fixup.
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*addr = fixup
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else // BYTE sized fixup.
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^addr = fixup
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addr = rld=>1 + modfix
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//if uword_isge(addr, modaddr) // Skip fixups to header
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//if type & $80 // WORD sized fixup.
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fixup = *addr
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//else // BYTE sized fixup.
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// fixup = ^addr
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//fin
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if ^rld & $10 // EXTERN reference.
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fixup = fixup + lookupextern(esd, rld->3)
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else // INTERN fixup.
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fixup = fixup + modofst
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if uword_isge(fixup, bytecode)
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//
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// Bytecode address - replace with call def directory.
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//
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fixup = lookupdef(fixup + codefix, deftbl)
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fin
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fin
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fin
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//if type & $80 // WORD sized fixup.
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*addr = fixup
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//else // BYTE sized fixup.
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// ^addr = fixup
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//fin
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//fin
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rld = rld + 4
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loop
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//
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@ -1090,7 +1095,7 @@ def loadmod(mod)#1
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//
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// Use the def directory address for bytecode.
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//
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addr = lookupdef(addr - bytecode + defaddr, deftbl)
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addr = lookupdef(addr + codefix, deftbl)
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fin
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addsym(sym, addr)
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fin
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@ -1115,7 +1120,7 @@ def loadmod(mod)#1
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//
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fixup = 0 // This is repurposed for the return code
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if init
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init = init - defofst + defaddr
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init = init + defofst
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fixup = adddef(defbank, init, @deflast)()
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if fixup < modinitkeep
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//
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@ -933,7 +933,7 @@ def lookupextern(esd, index)#1
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byte str[16]
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while ^esd
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sym = esd
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esd = esd + dcitos(esd, @str)
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esd = sym + dcitos(sym, @str)
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if esd->0 & $10 and esd->1 == index
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addr = lookuptbl(sym, symtbl)
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if !addr
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@ -968,7 +968,7 @@ def lookupdef(addr, deftbl)#1
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return 0
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end
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def loadmod(mod)#1
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word refnum, rdlen, modsize, bytecode, defofst, defcnt, init, fixup
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word refnum, rdlen, modsize, bytecode, codefix, defofst, defcnt, init, fixup
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word addr, defaddr, modaddr, modfix, modofst, modend
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word deftbl, deflast, codeseg
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word moddep, rld, esd, sym
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@ -1069,40 +1069,45 @@ def loadmod(mod)#1
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modid = modid + 1
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defext = (codeseg.0 | $80) - 1
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defaddr = (codeseg & $FF00) + $6000
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codefix = defaddr - bytecode
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defofst = defaddr - defofst
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//
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// Run through the DeFinition Dictionary.
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//
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while ^rld == $02
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//
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// This is a bytcode def entry - add it to the def directory.
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//
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adddef(defext, rld=>1 + defofst, @deflast)
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rld = rld + 4
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loop
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//
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// Run through the Re-Location Dictionary.
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//
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while ^rld
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if ^rld == $02
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//
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// This is a bytcode def entry - add it to the def directory.
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//
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adddef(defext, rld=>1 - defofst + defaddr, @deflast)
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else
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addr = rld=>1 + modfix
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if uword_isge(addr, modaddr) // Skip fixups to header
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if ^rld & $80 // WORD sized fixup.
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fixup = *addr
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else // BYTE sized fixup.
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fixup = ^addr
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fin
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if ^rld & $10 // EXTERN reference.
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fixup = fixup + lookupextern(esd, rld->3)
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else // INTERN fixup.
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fixup = fixup + modofst
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if uword_isge(fixup, bytecode)
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//
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// Bytecode address - replace with call def directory.
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//
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fixup = lookupdef(fixup - bytecode + defaddr, deftbl)
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fin
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fin
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if ^rld & $80 // WORD sized fixup.
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*addr = fixup
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else // BYTE sized fixup.
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^addr = fixup
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addr = rld=>1 + modfix
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if uword_isge(addr, modaddr) // Skip fixups to header
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//if ^rld & $80 // WORD sized fixup.
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fixup = *addr
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//else // BYTE sized fixup.
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// fixup = ^addr
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//fin
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if ^rld & $10 // EXTERN reference.
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fixup = fixup + lookupextern(esd, rld->3)
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else // INTERN fixup.
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fixup = fixup + modofst
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if uword_isge(fixup, bytecode)
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//
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// Bytecode address - replace with call def directory.
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//
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fixup = lookupdef(fixup + codefix, deftbl)
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fin
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fin
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//if ^rld & $80 // WORD sized fixup.
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*addr = fixup
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//else // BYTE sized fixup.
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// ^addr = fixup
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//fin
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fin
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rld = rld + 4
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loop
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@ -1121,7 +1126,7 @@ def loadmod(mod)#1
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//
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// Use the def directory address for bytecode.
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//
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addr = lookupdef(addr - bytecode + defaddr, deftbl)
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addr = lookupdef(addr + codefix, deftbl)
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fin
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addsym(sym, addr)
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fin
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@ -1148,7 +1153,7 @@ def loadmod(mod)#1
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//
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fixup = 0
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if init
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fixup = adddef(defext, init - defofst + defaddr, @deflast)()
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fixup = adddef(defext, init + defofst, @deflast)()
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if fixup < 0
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perr = -fixup
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fin
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