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PEF - fix export count calculation (#418)

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* Initial version of PEF

* add pef test file

* Fixed export hash slot count calculation

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Co-authored-by: paxcut <53811119+paxcut@users.noreply.github.com>
This commit is contained in:
Dominik Tamiołło
2025-07-09 00:21:07 +02:00
committed by GitHub
parent fed5db4109
commit bc35349e0f
1 changed files with 3 additions and 3 deletions
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6
patterns/pef.hexpat
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@@ -1,11 +1,11 @@
#pragma author Dominik Tamiollo
#pragma author domin568
#pragma description Preffered Executable Format executable (for Mac OS 7.1.2 - Mac OS 10.4 / BeOS)
#pragma endian big
#pragma pattern_limit 1000000
#pragma magic [4A 6F 79 21] @ 0x00
import std.core;
import std.sys;
import std.math;
struct PEFContainerHeader
{
@@ -435,7 +435,7 @@ u32 relocBegin = loaderOffset + loaderHeader.relocInstrOffset;
u32 relocSize = loaderOffset + loaderHeader.loaderStringsOffset - relocBegin;
RelocInstruction relocationInstructions[while(($-relocBegin) < relocSize)] @ relocBegin;
u32 exportSlotNum = 2 * loaderHeader.exportHashTablePower; // 2 ^ loaderHeader.exportHashTablePower
u32 exportSlotNum = std::math::pow(2, loaderHeader.exportHashTablePower);
u32 exportDataOffset = loaderOffset + loaderHeader.exportHashOffset;
u32 exportSymbolKeysOffset = exportDataOffset + sizeof(PEFExportedSymbolHashSlot) * exportSlotNum;
u32 exportedSymbolsOffset = exportSymbolKeysOffset + sizeof(PEFExportedSymbolKey) * loaderHeader.exportedSymbolCount;