X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=mark.c;h=955fcab0c7a81d0535c4e06b625be8dab1fae07a;hp=088263b2c0271d795f33b043046fda331f01bd97;hb=ada93ab0c3763d4a4ab607cbc73c24d74bc94ff4;hpb=03dd34951a331e0b8971195ccef1600fffaea2e6 diff --git a/mark.c b/mark.c index 088263b..955fcab 100644 --- a/mark.c +++ b/mark.c @@ -90,18 +90,13 @@ if (symbol) // // Complain about some things are not allowed in '-p' (PRG) mode: - // o Marks that aren't to LONGs - // o External references + // o Marks that aren't to LONGs + // o External references // if (prg_flag) { -#if 0 - if ((flags & MLONG) == 0) - error("illegal word relocatable (in .PRG mode)"); -#endif - if (symbol != NULL) - errors("illegal external reference (in .PRG mode) to '%s'", + error("illegal external reference (in .PRG mode) to '%s'", symbol->sname); } @@ -382,6 +377,12 @@ printf(" validsegment: raddr = $%08X\n", loc); if (w & MMOVEI) rflag |= 0x00000001; + // This tells the linker to do a WORD relocation (otherwise it + // defaults to doing a LONG, throwing things off for WORD sized + // fixups) + if (!(w & MLONG)) + rflag |= 0x00000002; + if (symbol != NULL) { // Deposit external reference @@ -419,7 +420,7 @@ printf(" validsegment(3): rflag = $%08X\n", rflag); if (from == DATA) dp += tsize; - uint32_t diff = GETBE32(dp, 0); + uint32_t diff = (rflag & 0x02 ? GETBE16(dp, 0) : GETBE32(dp, 0)); DEBUG printf("diff=%uX ==> ", diff); #ifdef DEBUG_IMAGE_MARKING printf(" validsegment(4): diff = $%08X --> ", diff); @@ -435,7 +436,21 @@ printf(" validsegment(4): diff = $%08X --> ", diff); if (rflag & 0x01) diff = WORDSWAP32(diff); - SETBE32(dp, 0, diff); + // Make sure to deposit the correct size payload + // N.B.: The braces around the SETBExx macros are needed + // because the macro supplies its own set of braces, + // thus leaving a naked semicolon afterwards to + // screw up the if/else structure. This is the price + // you pay when using macros pretending to be code. + if (rflag & 0x02) + { + SETBE16(dp, 0, diff); + } + else + { + SETBE32(dp, 0, diff); + } + DEBUG printf("%uX\n", diff); #ifdef DEBUG_IMAGE_MARKING printf("$%08X\n", diff); @@ -533,7 +548,7 @@ uint32_t CreateELFRelocationRecord(uint8_t * buf, uint8_t * secBuf, uint16_t sec // Deposit the relocation record D_long(r_offset); - D_long((r_sym << 8) | r_type); + D_long(((r_sym << 8) | r_type)); D_long(r_addend); rsize += 0x0C; }