1 files changed, 0 insertions, 92 deletions
diff --git a/arch/riscv/trap/extable.cc b/arch/riscv/trap/extable.cc
deleted file mode 100644
index 57a3dc1..0000000
--- a/arch/riscv/trap/extable.cc
+++ /dev/null
@@ -1,92 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/* Copyright (C) 2026 Richard Qin */
-
-#include <arch/extable.h>
-#include <lume/types.h>
-
-extern struct ExceptionTableEntry __extable_start[];
-extern struct ExceptionTableEntry __extable_end[];
-
-static void swap_extable_entries(struct ExceptionTableEntry *a, struct ExceptionTableEntry *b) {
-    uint64 a_insn = reinterpret_cast<uint64>(&a->insn) + a->insn;
-    uint64 a_fixup = reinterpret_cast<uint64>(&a->fixup) + a->fixup;
-    uint64 b_insn = reinterpret_cast<uint64>(&b->insn) + b->insn;
-    uint64 b_fixup = reinterpret_cast<uint64>(&b->fixup) + b->fixup;
-
-    a->insn = static_cast<int32>(b_insn - reinterpret_cast<uint64>(&a->insn));
-    a->fixup = static_cast<int32>(b_fixup - reinterpret_cast<uint64>(&a->fixup));
-    b->insn = static_cast<int32>(a_insn - reinterpret_cast<uint64>(&b->insn));
-    b->fixup = static_cast<int32>(a_fixup - reinterpret_cast<uint64>(&b->fixup));
-}
-
-static void sort_extable(size_t left, size_t right) {
-    if (left >= right) return;
-
-    size_t mid_idx = left + (right - left) / 2;
-    struct ExceptionTableEntry *pivot = &__extable_start[mid_idx];
-    uint64 pivot_val = reinterpret_cast<uint64>(&pivot->insn) + pivot->insn;
-
-    size_t i = left;
-    size_t j = right;
-
-    while (i <= j) {
-        while ((reinterpret_cast<uint64>(&__extable_start[i].insn) + __extable_start[i].insn) < pivot_val) {
-            i++;
-        }
-        while ((reinterpret_cast<uint64>(&__extable_start[j].insn) + __extable_start[j].insn) > pivot_val) {
-            if (j == 0) {
-                break;
-            }
-            j--;
-        }
-        if (i <= j) {
-            swap_extable_entries(&__extable_start[i], &__extable_start[j]);
-            i++;
-            if (j == 0) {
-                break;
-            }
-            j--;
-        }
-    }
-
-    if (j > left) {
-        sort_extable(left, j);
-    }
-    if (i < right) {
-        sort_extable(i, right);
-    }
-}
-
-void extable_init() {
-    size_t count = __extable_end - __extable_start;
-    if (count <= 1) return;
-    sort_extable(0, count - 1);
-}
-
-uint64 search_extable(uint64 pc) {
-    size_t count = __extable_end - __extable_start;
-    if (count == 0) return 0;
-
-    size_t left = 0;
-    size_t right = count - 1;
-
-    /* Binary search */
-    while (left <= right) {
-        size_t mid = left + (right - left) / 2;
-        const struct ExceptionTableEntry *entry = &__extable_start[mid];
-        uint64 mid_pc = reinterpret_cast<uint64>(&entry->insn) + entry->insn;
-
-        if (mid_pc == pc) {
-            return reinterpret_cast<uint64>(&entry->fixup) + entry->fixup;
-        }
-
-        if (mid_pc < pc) {
-            left = mid + 1;
-        } else {
-            if (mid == 0) break;
-            right = mid - 1;
-        }
-    }
-
-    return 0;
-}