From 1e75c2446bf628916a1f725ddb80a0d2fef83284 Mon Sep 17 00:00:00 2001
From: Anek <movepoint@yandex.ru>
Date: Fri, 19 Jan 2024 15:14:28 +0500
Subject: [PATCH] dragonflyBSD

---
 Cargo.lock               | 20 ++++++++++++++++++++
 Cargo.toml               |  1 +
 src/memory_management.rs |  2 ++
 3 files changed, 23 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 067325a3..dc8e03f7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -41,6 +41,15 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "cc"
+version = "1.0.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -86,6 +95,16 @@ dependencies = [
  "byteorder 0.5.3",
 ]
 
+[[package]]
+name = "errno-dragonfly"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "gdbstub"
 version = "0.6.3"
@@ -273,6 +292,7 @@ dependencies = [
  "byteorder 1.4.3",
  "combine",
  "elf",
+ "errno-dragonfly",
  "gdbstub",
  "goblin",
  "hash32",
diff --git a/Cargo.toml b/Cargo.toml
index 5486da28..1b551ee7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,7 @@ include = [
 arbitrary = { version = "1.0", optional = true, features = ["derive"] }
 byteorder = "1.2"
 combine = "3.8.1"
+errno-dragonfly = "0.1.2"
 gdbstub = { version = "0.6.2", optional = true }
 goblin = "0.5.1"
 hash32 = "0.2.0"
diff --git a/src/memory_management.rs b/src/memory_management.rs
index 7606db3c..0d73a32f 100644
--- a/src/memory_management.rs
+++ b/src/memory_management.rs
@@ -47,6 +47,8 @@ macro_rules! libc_error_guard {
                 let errno = *libc::__errno();
                 #[cfg(target_os = "linux")]
                 let errno = *libc::__errno_location();
+                #[cfg(target_os = "dragonfly")]
+                let errno = *errno_dragonfly::errno_location();
                 return Err(EbpfError::LibcInvocationFailed(stringify!($function), args, errno));
             }
         }