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GP-2256 avoid ELF PLT disassembly when alternate instruction set exists

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ghidra1 2022-06-29 11:06:30 -04:00
parent 47cda95669
commit dd917fba7a
1 changed files with 7 additions and 3 deletions
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10
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/elf/ElfDefaultGotPltMarkup.java
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@ -18,6 +18,7 @@ package ghidra.app.util.bin.format.elf;
import java.util.*; import java.util.*;
import ghidra.app.cmd.refs.RemoveReferenceCmd; import ghidra.app.cmd.refs.RemoveReferenceCmd;
import ghidra.app.util.PseudoDisassembler;
import ghidra.program.disassemble.Disassembler; import ghidra.program.disassemble.Disassembler;
import ghidra.program.model.address.*; import ghidra.program.model.address.*;
import ghidra.program.model.data.*; import ghidra.program.model.data.*;
@ -470,10 +471,13 @@ public class ElfDefaultGotPltMarkup {
TaskMonitor monitor) throws CancelledException { TaskMonitor monitor) throws CancelledException {
try { try {
// Disassemble section. // Disassemble PLT section.
// Disassembly is only done so we can see all instructions since many // Disassembly is only done so we can see all instructions since many
// of them are unreachable after applying relocations // of them are unreachable after applying relocations. Avoid disassembly
disassemble(minAddress, maxAddress, program, monitor); // when alternate instruction sets exist.
if (!PseudoDisassembler.hasLowBitCodeModeInAddrValues(program)) {
disassemble(minAddress, maxAddress, program, monitor);
}
// Any symbols in the linkage section should be converted to External function thunks // Any symbols in the linkage section should be converted to External function thunks
// This can be seen with ARM Android examples. // This can be seen with ARM Android examples.