third_party/rules_rust/rust-uefi-platform.patch

From b2d165d9b2c811293f92bf083289c97c9d87d13c Mon Sep 17 00:00:00 2001
From: Lorenz Brun <lorenz@monogon.tech>
Date: Wed, 25 Sep 2024 02:37:09 +0200
Subject: [PATCH 1/4] Add support for UEFI targets and OS

---
 rust/platform/triple_mappings.bzl | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/rust/platform/triple_mappings.bzl b/rust/platform/triple_mappings.bzl
index 139015da..efa9f167 100644
--- a/rust/platform/triple_mappings.bzl
+++ b/rust/platform/triple_mappings.bzl
@@ -47,6 +47,7 @@ SUPPORTED_T2_PLATFORM_TRIPLES = {
     "aarch64-fuchsia": _support(std = True, host_tools = False),
     "aarch64-linux-android": _support(std = True, host_tools = False),
     "aarch64-pc-windows-msvc": _support(std = True, host_tools = True),
+    "aarch64-unknown-uefi": _support(std = True, host_tools = False),
     "arm-unknown-linux-gnueabi": _support(std = True, host_tools = True),
     "armv7-linux-androideabi": _support(std = True, host_tools = False),
     "armv7-unknown-linux-gnueabi": _support(std = True, host_tools = True),
@@ -65,6 +66,7 @@ SUPPORTED_T2_PLATFORM_TRIPLES = {
     "x86_64-linux-android": _support(std = True, host_tools = False),
     "x86_64-unknown-freebsd": _support(std = True, host_tools = True),
     "x86_64-unknown-none": _support(std = True, host_tools = False),
+    "x86_64-unknown-uefi": _support(std = True, host_tools = False),
 }

 _T3_PLATFORM_TRIPLES = {
@@ -142,6 +144,7 @@ _SYSTEM_TO_BUILTIN_SYS_SUFFIX = {
     "nto": "qnx",
     "openbsd": "openbsd",
     "solaris": None,
+    "uefi": "uefi",
     "unknown": None,
     "wasi": None,
     "windows": "windows",
@@ -160,6 +163,7 @@ _SYSTEM_TO_BINARY_EXT = {
     "nixos": "",
     "none": "",
     "nto": "",
+    "uefi": ".efi",
     # This is currently a hack allowing us to have the proper
     # generated extension for the wasm target, similarly to the
     # windows target
@@ -181,6 +185,7 @@ _SYSTEM_TO_STATICLIB_EXT = {
     "nixos": ".a",
     "none": ".a",
     "nto": ".a",
+    "uefi": ".lib",
     "unknown": "",
     "wasi": "",
     "windows": ".lib",
@@ -199,6 +204,7 @@ _SYSTEM_TO_DYLIB_EXT = {
     "nixos": ".so",
     "none": ".so",
     "nto": ".a",
+    "uefi": "", # UEFI doesn't have dynamic linking
     "unknown": ".wasm",
     "wasi": ".wasm",
     "windows": ".dll",
@@ -244,6 +250,7 @@ _SYSTEM_TO_STDLIB_LINKFLAGS = {
     "nto": [],
     "openbsd": ["-lpthread"],
     "solaris": ["-lsocket", "-lposix4", "-lpthread", "-lresolv"],
+    "uefi": [],
     "unknown": [],
     "uwp": ["ws2_32.lib"],
     "wasi": [],
--
2.44.1