X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rln;a=blobdiff_plain;f=rln.c;h=1cbf9545efc88fbb39ad2d7f2fe6041fea454f59;hp=f97b49034143fe66b20f3dd7b16b6e1ec805daee;hb=2b769046ebabf1dd239ff670cdf93737da86d72f;hpb=05f3a96e41a1c2ad78a080a192876517a8aefc78 diff --git a/rln.c b/rln.c index f97b490..1cbf954 100644 --- a/rln.c +++ b/rln.c @@ -1,6 +1,6 @@ // // RLN - Reboot's Linker for the Atari Jaguar console system -// Copyright (C) 199x, Allan K. Pratt, 2014-2015 Reboot & Friends +// Copyright (C) 199x, Allan K. Pratt, 2014-2017 Reboot & Friends // #include "rln.h" @@ -585,6 +585,7 @@ int RelocateSegment(struct OFILE * ofile, int flag) unsigned glblreloc; // Global relocation flag unsigned absreloc; // Absolute relocation flag unsigned relreloc; // Relative relocation flag + unsigned wordreloc; // Relocate word only flag unsigned swcond; // Switch statement condition unsigned relocsize; // Relocation record size @@ -664,8 +665,9 @@ int RelocateSegment(struct OFILE * ofile, int flag) addr = GetLong(rptr); rflg = GetLong(rptr + 4); glblreloc = (rflg & 0x00000010 ? 1 : 0);// Set global relocation flag - absreloc = (rflg & 0x00000040 ? 1 : 0); // Set absolute relocation flag - relreloc = (rflg & 0x000000A0 ? 1 : 0); // Set relative relocation flag + absreloc = (rflg & 0x00000040 ? 1 : 0); // Set absolute relocation flag + relreloc = (rflg & 0x000000A0 ? 1 : 0); // Set relative relocation flag + wordreloc = (rflg & 0x00000002 ? 1 : 0); // Set word relocation flag // Additional processing required for global relocations if (glblreloc) @@ -682,9 +684,10 @@ int RelocateSegment(struct OFILE * ofile, int flag) newdata = GetLong(ost + ((ssidx - 1) * 12) + 8); } - // Obtain the existing long word segment data and flip words if the - // relocation flags indicate it relates to a RISC MOVEI instruction - olddata = GetLong(sptr + addr); + // Obtain the existing long word (or word) segment data and flip words + // if the relocation flags indicate it relates to a RISC MOVEI + // instruction + olddata = (wordreloc ? GetWord(sptr + addr) : GetLong(sptr + addr)); if (rflg & 0x01) olddata = _SWAPWORD(olddata); @@ -734,7 +737,10 @@ int RelocateSegment(struct OFILE * ofile, int flag) if (rflg & 0x01) newdata = _SWAPWORD(newdata); - PutLong(sptr + addr, newdata); + if (wordreloc) + PutWord(sptr + addr, newdata); + else + PutLong(sptr + addr, newdata); } else if (relreloc) { @@ -2990,7 +2996,7 @@ void ShowVersion(void) "| | | | | | |\n" "|_| |_|_| |_|\n" "\nReboot's Linker for Atari Jaguar\n" - "Copyright (c) 199x Allan K. Pratt, 2014-2015 Reboot\n" + "Copyright (c) 199x Allan K. Pratt, 2014-2017 Reboot\n" "V%i.%i.%i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM); } }