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ARM: Fix subtract with overflow error when no mapping symbol at address 0 (#183)

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LagoLunatic 2025-03-31 00:00:06 -04:00 committed by GitHub
parent 196c003a92
commit e101610416
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objdiff-core/src/arch/arm.rs
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@ -199,7 +199,7 @@ impl Arch for ArchArm {
.unwrap_or(&fallback_mappings); .unwrap_or(&fallback_mappings);
let first_mapping_idx = mapping_symbols let first_mapping_idx = mapping_symbols
.binary_search_by_key(&start_addr, |x| x.address) .binary_search_by_key(&start_addr, |x| x.address)
.unwrap_or_else(|idx| idx - 1); .unwrap_or_else(|idx| idx.saturating_sub(1));
let mut mode = mapping_symbols[first_mapping_idx].mapping; let mut mode = mapping_symbols[first_mapping_idx].mapping;
let mut mappings_iter = mapping_symbols let mut mappings_iter = mapping_symbols