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Clean up module loading and images

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This commit is contained in:
David Schmenk 2024-03-07 18:36:47 -08:00
parent 1d099df299
commit c23cb6d239
8 changed files with 8 additions and 13 deletions
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images/apple/A1PLASMA.po Executable file
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images/apple/PLASMA-2.1-INST.po
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src/vmsrc/apple/a1cmd.pla
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@ -988,7 +988,6 @@ def loadmod(mod)#1
if loadmod(moddep) < 0 if loadmod(moddep) < 0
return -perr return -perr
fin fin
prstr("Loaded "); prstr(@str); crout
fin fin
moddep = moddep + dcitos(moddep, @str) moddep = moddep + dcitos(moddep, @str)
loop loop
@ -1033,12 +1032,10 @@ def loadmod(mod)#1
// //
// Run through the DeFinition Dictionary. // Run through the DeFinition Dictionary.
// //
prstr("Bytecode = "); prword(bytecode); crout
while ^rld == $02 while ^rld == $02
// //
// This is a bytcode def entry - add it to the def directory. // This is a bytcode def entry - add it to the def directory.
// //
prstr("Add DEF: "); prword(rld=>1 + defofst); prstr(" -> "); prword(deflast); crout
adddef(rld=>1 + defofst, @deflast) adddef(rld=>1 + defofst, @deflast)
rld = rld + 4 rld = rld + 4
loop loop
@ -1048,7 +1045,7 @@ def loadmod(mod)#1
while ^rld while ^rld
rld, addr, fixup = reloc(modfix, modofst, bytecode, rld) rld, addr, fixup = reloc(modfix, modofst, bytecode, rld)
if ^rld if ^rld
*addr = ^rld & $10 ?? *addr + lookupextern(esd, rld->3) :: lookupdef(fixup + defofst, deftbl) *addr = ^rld & $10 ?? *addr + lookupextern(esd, rld->3) :: lookupdef(fixup, deftbl)
rld = rld + 4 rld = rld + 4
fin fin
loop loop
@ -1062,12 +1059,11 @@ def loadmod(mod)#1
// //
// EXPORT symbol - add it to the global symbol table. // EXPORT symbol - add it to the global symbol table.
// //
addr = esd=>1 + defofst // modofst addr = esd=>1 + modofst
if uword_isge(addr, bytecode) if uword_isge(addr, bytecode)
// //
// Use the def directory address for bytecode. // Use the def directory address for bytecode.
// //
//addr = lookupdef(addr + defofst, deftbl)
addr = lookupdef(addr, deftbl) addr = lookupdef(addr, deftbl)
fin fin
addsym(sym, addr) addsym(sym, addr)
@ -1087,7 +1083,8 @@ def loadmod(mod)#1
// //
fixup = modkeep fixup = modkeep
if init if init
fixup = adddef(init + defofst, @deflast)() init = init + defofst
fixup = adddef(init, @deflast)()
if fixup < 0 if fixup < 0
perr = -fixup perr = -fixup
fin fin

10
src/vmsrc/apple/cmd.pla
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@ -979,7 +979,7 @@ def adddef(addr, deflast)#1
return defentry return defentry
end end
def loadmod(mod)#1 def loadmod(mod)#1
word rdlen, modsize, bytecode, codefix, defofst, defcnt, init, initcode[], fixup word rdlen, modsize, bytecode, defofst, defcnt, init, initcode[], fixup
word addr, defaddr, modaddr, modfix, modofst, modend word addr, defaddr, modaddr, modfix, modofst, modend
word deftbl, deflast word deftbl, deflast
word moddep, rld, esd, sym word moddep, rld, esd, sym
@ -1074,15 +1074,13 @@ def loadmod(mod)#1
modofst = modfix - RELADDR modofst = modfix - RELADDR
modend = modaddr + modsize modend = modaddr + modsize
bytecode = defofst + modofst bytecode = defofst + modofst
defofst = bytecode - defofst
rld = modend // Re-Locatable Directory rld = modend // Re-Locatable Directory
esd = rld // Extern+Entry Symbol Directory esd = rld // Extern+Entry Symbol Directory
while ^esd // Scan to end of ESD while ^esd // Scan to end of ESD
esd = esd + 4 esd = esd + 4
loop loop
esd = esd + 1 esd = esd + 1
defaddr = bytecode
codefix = defaddr - bytecode
defofst = defaddr - defofst
// //
// Run through the DeFinition Dictionary. // Run through the DeFinition Dictionary.
// //
@ -1099,7 +1097,7 @@ def loadmod(mod)#1
while ^rld while ^rld
rld, addr, fixup = reloc(modfix, modofst, bytecode, rld) rld, addr, fixup = reloc(modfix, modofst, bytecode, rld)
if ^rld if ^rld
*addr = ^rld & $10 ?? *addr + lookupextern(esd, rld->3) :: lookupdef(fixup + codefix, deftbl) *addr = ^rld & $10 ?? *addr + lookupextern(esd, rld->3) :: lookupdef(fixup, deftbl)
rld = rld + 4 rld = rld + 4
fin fin
loop loop
@ -1118,7 +1116,7 @@ def loadmod(mod)#1
// //
// Use the def directory address for bytecode. // Use the def directory address for bytecode.
// //
addr = lookupdef(addr + codefix, deftbl) addr = lookupdef(addr, deftbl)
fin fin
addsym(sym, addr) addsym(sym, addr)
fin fin