tiny.tldr.formats.elf.addressing.contribution_module

1const root = @import("../../../root.zig");2const elf = @import("../root.zig");34const model = root.model;5const layout = elf.layout;6const merge = elf.merge;7const section_state = elf.section_state;89const ObjectFile = elf.parser.ObjectFile;10const ObjectLayout = layout.ObjectLayout;11const SectionContribution = layout.SectionContribution;12const contributionAt = layout.contributionAt;13const foldedSection = section_state.foldedSection;1415pub fn symbol(16    objects: []const ObjectFile,17    layouts: []const ObjectLayout,18    object_index: usize,19    symbol_index: usize,20) model.Error!SectionContribution {21    const object = objects[object_index];22    const object_layout = layouts[object_index];23    if (symbol_index >= object.symbols.len) return error.UndefinedSymbol;24    const symbol_record = object.symbols[symbol_index];25    if (symbol_record.isCommon()) {26        if (symbol_index >= object_layout.common_symbols.len) return error.UnsupportedRelocation;27        return (contributionAt(object_layout.common_symbols, symbol_index) orelse return error.MissingSection).*;28    }29    if (symbol_record.section_index >= object.sections.len) return error.UnsupportedRelocation;30    if (merge.contribution(object_layout, object, symbol_record.section_index, symbol_record.value)) |symbol_contribution| {31        return symbol_contribution;32    }33    if (foldedSection(object, symbol_record.section_index)) |canonical| {34        return (contributionAt(layouts[canonical.object_index].sections, canonical.section_index) orelse return error.MissingSection).*;35    }36    return (contributionAt(object_layout.sections, symbol_record.section_index) orelse return error.MissingSection).*;37}

1pub const contribution_module = @import("contribution.zig");