From 84a1244b6c8d8b093d514cf267c832ad24d4400f Mon Sep 17 00:00:00 2001
From: kcbanner <kcbanner@gmail.com>
Date: Sun, 25 Jun 2023 01:58:55 -0400
Subject: [PATCH] dwarf: use eh_frame length if it's available

---
 lib/std/dwarf.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/std/dwarf.zig b/lib/std/dwarf.zig
index db9a905c52..47a7563beb 100644
--- a/lib/std/dwarf.zig
+++ b/lib/std/dwarf.zig
@@ -1593,10 +1593,11 @@ pub const DwarfInfo = struct {
         var mapped_pc: usize = undefined;
 
         if (di.eh_frame_hdr) |header| {
+            const eh_frame_len = if (di.section(.eh_frame)) |eh_frame| eh_frame.len else null;
             mapped_pc = context.pc;
             try header.findEntry(
                 context.isValidMemory,
-                null, // TODO: Check di for this
+                eh_frame_len,
                 @intFromPtr(di.section(.eh_frame_hdr).?.ptr),
                 mapped_pc,
                 &cie,