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fix rodata order inconsistency bug in mkldscript (required for GCC support) (#932)

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* fix rodata order inconsistency bug in mkldscript (required for GCC support)

* Update tools/mkldscript.c

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
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Revo 2021-08-31 09:30:02 -04:00 committed by GitHub
parent 6ef1f3ea3e
commit 7728f75d2a
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1 changed files with 13 additions and 0 deletions
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tools/mkldscript.c
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@ -377,7 +377,20 @@ static void write_ld_script(void)
fprintf(fout, " _%sSegmentRoDataStart = .;\n", seg->name);
for (j = 0; j < seg->includesCount; j++)
{
fprintf(fout, " %s (.rodata)\n", seg->includes[j]);
// Compilers other than IDO, such as GCC, produce different sections such as
// the ones named directly below. These sections do not contain values that
// need relocating, but we need to ensure that the base .rodata section
// always comes first. The reason this is important is due to relocs assuming
// the base of .rodata being the offset for the relocs and thus needs to remain
// the beginning of the entire rodata area in order to remain consistent.
// Inconsistencies will lead to various .rodata reloc crashes as a result of
// either missing relocs or wrong relocs.
fprintf(fout, " %s (.rodata.str1.4)\n", seg->includes[j]);
fprintf(fout, " %s (.rodata.cst4)\n", seg->includes[j]);
fprintf(fout, " %s (.rodata.cst8)\n", seg->includes[j]);
}
//fprintf(fout, " . = ALIGN(0x10);\n");