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Fix a crash that could happen due worng relocations. The address in the used bl is SINGNED. This mean for everything above 0x01FFFFFC we need to use the big jump.

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This commit is contained in:
Maschell 2018-09-14 19:07:57 +02:00
parent b1d89c9d4d
commit 77288a2365
1 changed files with 1 additions and 1 deletions
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loader/src/plugin/DynamicLinkingHelper.cpp
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@ -173,7 +173,7 @@ bool DynamicLinkingHelper::fillRelocations(std::vector<dyn_linking_relocation_en
DEBUG_FUNCTION_LINE("Resolving relocation to %s\n",functionEntry->functionName); DEBUG_FUNCTION_LINE("Resolving relocation to %s\n",functionEntry->functionName);
if(!curEntry->importEntry->isData && (uint32_t) functionEntry->address > 0x04000000) { if(!curEntry->importEntry->isData && (uint32_t) functionEntry->address > 0x01FFFFC) {
ElfTools::elfLinkOne(curEntry->type, curEntry->offset, curEntry->addend, curEntry->destination, (uint32_t) functionEntry->big_jump); ElfTools::elfLinkOne(curEntry->type, curEntry->offset, curEntry->addend, curEntry->destination, (uint32_t) functionEntry->big_jump);
} else { } else {
ElfTools::elfLinkOne(curEntry->type, curEntry->offset, curEntry->addend, curEntry->destination, (uint32_t) functionEntry->address); ElfTools::elfLinkOne(curEntry->type, curEntry->offset, curEntry->addend, curEntry->destination, (uint32_t) functionEntry->address);