1 files changed, 85 insertions, 0 deletions
diff --git a/include/trygvis/elfinfo/Ld.h b/include/trygvis/elfinfo/Ld.h
new file mode 100644
index 0000000..9bb81aa
--- /dev/null
+++ b/include/trygvis/elfinfo/Ld.h
@@ -0,0 +1,85 @@
+#pragma once
+
+#include <string>
+#include <set>
+#include <vector>
+#include <sstream>
+#include <tree/ParseTree.h>
+
+namespace trygvis {
+namespace elfinfo {
+
+class LdParseException : public std::runtime_error {
+public:
+    explicit LdParseException(const std::vector<std::string> &messages) :
+        runtime_error("Parse error"), messages(messages) {}
+
+    const std::vector<std::string> messages;
+};
+
+class LdInternalErrorException : public std::runtime_error {
+public:
+    explicit LdInternalErrorException(const std::string &what) : runtime_error(what) {}
+};
+
+enum class MemoryAttribute {
+    R, W, X
+};
+
+static char to_str(const MemoryAttribute &type) {
+    switch (type) {
+        case MemoryAttribute::R:
+            return 'r';
+        case MemoryAttribute::W:
+            return 'w';
+        case MemoryAttribute::X:
+            return 'x';
+    }
+}
+
+struct Section {
+    std::string name;
+};
+
+struct MemoryArea {
+    std::string name;
+    uint64_t origin;
+    uint64_t length;
+    std::set<MemoryAttribute> attributes;
+
+    bool contains(uint64_t address, uint64_t size) const {
+        return contains(address) && contains(address + size);
+    }
+
+    bool contains(uint64_t address) const {
+        return origin <= address && address < origin + length;
+    }
+
+    std::string attributes_string() const {
+        char buf[4];
+        buf[0] = attributes.find(MemoryAttribute::R) == attributes.end() ? '-' : 'r';
+        buf[1] = attributes.find(MemoryAttribute::W) == attributes.end() ? '-' : 'w';
+        buf[2] = attributes.find(MemoryAttribute::X) == attributes.end() ? '-' : 'x';
+        buf[3] = '\0';
+        return std::string(buf);
+    }
+};
+
+struct LdScript {
+    std::vector<MemoryArea> memoryAreas;
+};
+
+class LdScriptLoader {
+public:
+    LdScriptLoader();
+
+    LdScript load(std::string path);
+
+    void setDebug(bool debug);
+
+private:
+    bool debug_;
+};
+
+} // namespace elfinfo
+} // namespace trygvis