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change section handling in mkldscript
This commit is contained in:
fig02
parent
7f2c5de5a7
commit
7e0b72998d
1 changed files with 82 additions and 38 deletions
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@ -17,8 +17,8 @@ static void write_ld_script(FILE *fout)
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int i;
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int j;
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fputs("SECTIONS {\n"
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"/DISCARD/ : { *(.MIPS.abiflags) *(.gnu.attributes) }\n"
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fputs("OUTPUT_ARCH (mips)\n\n"
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"SECTIONS {\n"
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" _RomSize = 0;\n"
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" _RomStart = _RomSize;\n\n",
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fout);
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@ -61,9 +61,9 @@ static void write_ld_script(FILE *fout)
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for (j = 0; j < seg->includesCount; j++)
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{
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fprintf(fout, " %s (.text)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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if (seg->includes[j].linkerPadding != 0)
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fprintf(fout, " . += 0x%X;\n", seg->includes[j].linkerPadding);
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fprintf(fout, " . = ALIGN(0x10);\n");
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}
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fprintf(fout, " _%sSegmentTextEnd = .;\n", seg->name);
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@ -74,10 +74,9 @@ static void write_ld_script(FILE *fout)
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for (j = 0; j < seg->includesCount; j++)
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{
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if (!seg->includes[j].dataWithRodata) {
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fprintf(fout, " %s (.data)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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}
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if (!seg->includes[j].dataWithRodata)
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fprintf(fout, " %s (.data)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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}
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/*
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@ -92,17 +91,17 @@ static void write_ld_script(FILE *fout)
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fprintf(fout, " _%sSegmentDataEnd = .;\n", seg->name);
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fprintf(fout, " _%sSegmentDataSize = ABSOLUTE( _%sSegmentDataEnd - _%sSegmentDataStart );\n", seg->name, seg->name, seg->name);
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fprintf(fout, " _%sSegmentRoDataStart = .;\n", seg->name);
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for (j = 0; j < seg->includesCount; j++)
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{
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if (seg->includes[j].dataWithRodata) {
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fprintf(fout, " %s (.data)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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}
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fprintf(fout, " %s (.rodata)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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if (seg->includes[j].dataWithRodata)
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fprintf(fout, " %s (.data)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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fprintf(fout, " %s (.rodata)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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// Compilers other than IDO, such as GCC, produce different sections such as
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// the ones named directly below. These sections do not contain values that
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// need relocating, but we need to ensure that the base .rodata section
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@ -111,16 +110,14 @@ static void write_ld_script(FILE *fout)
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// the beginning of the entire rodata area in order to remain consistent.
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// Inconsistencies will lead to various .rodata reloc crashes as a result of
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// either missing relocs or wrong relocs.
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fprintf(fout, " %s (.rodata.str1.4)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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fprintf(fout, " %s (.rodata.cst4)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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fprintf(fout, " %s (.rodata.cst8)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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fprintf(fout, " %s (.rodata.str1.4)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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fprintf(fout, " %s (.rodata.cst4)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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fprintf(fout, " %s (.rodata.cst8)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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}
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//fprintf(fout, " . = ALIGN(0x10);\n");
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fprintf(fout, " _%sSegmentRoDataEnd = .;\n", seg->name);
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fprintf(fout, " _%sSegmentRoDataSize = ABSOLUTE( _%sSegmentRoDataEnd - _%sSegmentRoDataStart );\n", seg->name, seg->name, seg->name);
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@ -128,9 +125,8 @@ static void write_ld_script(FILE *fout)
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fprintf(fout, " _%sSegmentSDataStart = .;\n", seg->name);
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for (j = 0; j < seg->includesCount; j++)
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fprintf(fout, " %s (.sdata)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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fprintf(fout, " %s (.sdata)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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fprintf(fout, " _%sSegmentSDataEnd = .;\n", seg->name);
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@ -139,16 +135,15 @@ static void write_ld_script(FILE *fout)
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for (j = 0; j < seg->includesCount; j++)
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fprintf(fout, " %s (.ovl)\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n");
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fprintf(fout, " _%sSegmentOvlEnd = .;\n", seg->name);
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if (seg->fields & (1 << STMT_increment))
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fprintf(fout, " . += 0x%08X;\n", seg->increment);
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// fprintf(fout, " . = ALIGN(0x%X);\n", seg->align);
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fputs(" }\n", fout);
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//fprintf(fout, " _RomSize += ( _%sSegmentDataEnd - _%sSegmentTextStart );\n", seg->name, seg->name);
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fprintf(fout, " _RomSize += ( _%sSegmentOvlEnd - _%sSegmentTextStart );\n", seg->name, seg->name);
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fprintf(fout, " _%sSegmentRomEndTemp = _RomSize;\n"
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@ -166,18 +161,26 @@ static void write_ld_script(FILE *fout)
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" . = ALIGN(0x10);\n"
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" _%sSegmentBssStart = .;\n",
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seg->name, seg->name, seg->name, seg->name);
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if (seg->fields & (1 << STMT_align))
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fprintf(fout, " . = ALIGN(0x%X);\n", seg->align);
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for (j = 0; j < seg->includesCount; j++)
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fprintf(fout, " %s (.sbss)\n", seg->includes[j].fpath);
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fprintf(fout, " %s (.sbss)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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for (j = 0; j < seg->includesCount; j++)
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fprintf(fout, " %s (.scommon)\n", seg->includes[j].fpath);
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for (j = 0; j < seg->includesCount; j++) {
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fprintf(fout, " . = ALIGN(0x10);\n");
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fprintf(fout, " %s (.bss)\n", seg->includes[j].fpath);
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}
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fprintf(fout, " %s (.scommon)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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for (j = 0; j < seg->includesCount; j++)
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fprintf(fout, " %s (COMMON)\n", seg->includes[j].fpath);
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fprintf(fout, " %s (.bss)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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for (j = 0; j < seg->includesCount; j++)
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fprintf(fout, " %s (COMMON)\n"
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" . = ALIGN(0x10);\n", seg->includes[j].fpath);
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fprintf(fout, " . = ALIGN(0x10);\n"
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" _%sSegmentBssEnd = .;\n"
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" _%sSegmentEnd = .;\n"
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@ -205,13 +208,55 @@ static void write_ld_script(FILE *fout)
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//fprintf(fout, "\n }\n");
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}
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fputs(" _RomEnd = _RomSize;\n\n", fout);
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fputs(" _RomEnd = _RomSize;\n}\n", fout);
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// Debugging sections
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fputs(
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// mdebug debug sections
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" .mdebug : { *(.mdebug) }" "\n"
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" .mdebug.abi32 : { *(.mdebug.abi32) }" "\n"
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// DWARF debug sections
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// Symbols in the DWARF debugging sections are relative to the beginning of the section so we begin them at 0.
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// DWARF 1
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" .debug 0 : { *(.debug) }" "\n"
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" .line 0 : { *(.line) }" "\n"
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// GNU DWARF 1 extensions
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" .debug_srcinfo 0 : { *(.debug_srcinfo) }" "\n"
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" .debug_sfnames 0 : { *(.debug_sfnames) }" "\n"
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// DWARF 1.1 and DWARF 2
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" .debug_aranges 0 : { *(.debug_aranges) }" "\n"
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" .debug_pubnames 0 : { *(.debug_pubnames) }" "\n"
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// DWARF 2
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" .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }" "\n"
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" .debug_abbrev 0 : { *(.debug_abbrev) }" "\n"
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" .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) }" "\n"
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" .debug_frame 0 : { *(.debug_frame) }" "\n"
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" .debug_str 0 : { *(.debug_str) }" "\n"
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" .debug_loc 0 : { *(.debug_loc) }" "\n"
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" .debug_macinfo 0 : { *(.debug_macinfo) }" "\n"
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// SGI/MIPS DWARF 2 extensions
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" .debug_weaknames 0 : { *(.debug_weaknames) }" "\n"
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" .debug_funcnames 0 : { *(.debug_funcnames) }" "\n"
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" .debug_typenames 0 : { *(.debug_typenames) }" "\n"
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" .debug_varnames 0 : { *(.debug_varnames) }" "\n"
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// DWARF 3
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" .debug_pubtypes 0 : { *(.debug_pubtypes) }" "\n"
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" .debug_ranges 0 : { *(.debug_ranges) }" "\n"
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// DWARF Extension
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" .debug_macro 0 : { *(.debug_macro) }" "\n"
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" .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" "\n", fout);
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// Discard all other sections not mentioned above
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fputs(" /DISCARD/ :" "\n"
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" {" "\n"
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" *(*);" "\n"
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" }" "\n", fout);
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fputs("}\n", fout);
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}
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static void usage(const char *execname)
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{
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fprintf(stderr, "Nintendo 64 linker script generation tool v0.02\n"
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fprintf(stderr, "Nintendo 64 linker script generation tool v0.03\n"
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"usage: %s SPEC_FILE LD_SCRIPT\n"
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"SPEC_FILE file describing the organization of object files into segments\n"
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"LD_SCRIPT filename of output linker script\n",
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@ -239,7 +284,6 @@ int main(int argc, char **argv)
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write_ld_script(ldout);
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fclose(ldout);
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free_rom_spec(g_segments, g_segmentsCount);
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free(spec);
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return 0;
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