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-rw-r--r--Cargo.lock35
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs1
-rw-r--r--compiler/rustc_codegen_llvm/src/llvm/ffi.rs1
-rw-r--r--compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp5
-rw-r--r--compiler/rustc_session/src/options.rs2
-rw-r--r--compiler/rustc_span/Cargo.toml5
-rw-r--r--compiler/rustc_span/src/lib.rs9
-rw-r--r--src/doc/unstable-book/src/compiler-flags/src-hash-algorithm.md2
-rw-r--r--src/test/codegen/src-hash-algorithm/src-hash-algorithm-sha256.rs7
-rw-r--r--src/tools/tidy/src/deps.rs2
10 files changed, 59 insertions, 10 deletions
diff --git a/Cargo.lock b/Cargo.lock
index a8e4490aa1a..3d40ded19dd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1929,6 +1929,17 @@ dependencies = [
 ]
 
 [[package]]
+name = "md-5"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b5a279bb9607f9f53c22d496eade00d138d1bdcccd07d74650387cf94942a15"
+dependencies = [
+ "block-buffer 0.9.0",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
+]
+
+[[package]]
 name = "mdbook"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -2467,7 +2478,7 @@ checksum = "54be6e404f5317079812fc8f9f5279de376d8856929e21c184ecf6bbd692a11d"
 dependencies = [
  "maplit",
  "pest",
- "sha-1",
+ "sha-1 0.8.2",
 ]
 
 [[package]]
@@ -3281,14 +3292,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c267f15c3cfc82a8a441d2bf86bcccf299d1eb625822468e3d8ee6f7c5a1c89"
 dependencies = [
  "cfg-if 0.1.10",
- "md-5",
+ "md-5 0.8.0",
  "rustc-ap-rustc_arena",
  "rustc-ap-rustc_data_structures",
  "rustc-ap-rustc_index",
  "rustc-ap-rustc_macros",
  "rustc-ap-rustc_serialize",
  "scoped-tls",
- "sha-1",
+ "sha-1 0.8.2",
  "tracing",
  "unicode-width",
 ]
@@ -4138,14 +4149,15 @@ name = "rustc_span"
 version = "0.0.0"
 dependencies = [
  "cfg-if 0.1.10",
- "md-5",
+ "md-5 0.9.1",
  "rustc_arena",
  "rustc_data_structures",
  "rustc_index",
  "rustc_macros",
  "rustc_serialize",
  "scoped-tls",
- "sha-1",
+ "sha-1 0.9.1",
+ "sha2",
  "tracing",
  "unicode-width",
 ]
@@ -4511,6 +4523,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "sha-1"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "170a36ea86c864a3f16dd2687712dd6646f7019f301e57537c7f4dc9f5916770"
+dependencies = [
+ "block-buffer 0.9.0",
+ "cfg-if 0.1.10",
+ "cpuid-bool",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
+]
+
+[[package]]
 name = "sha2"
 version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index 73c1f73ec7f..ef1ae807453 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -801,6 +801,7 @@ fn file_metadata_raw(
                     let kind = match hash.kind {
                         rustc_span::SourceFileHashAlgorithm::Md5 => llvm::ChecksumKind::MD5,
                         rustc_span::SourceFileHashAlgorithm::Sha1 => llvm::ChecksumKind::SHA1,
+                        rustc_span::SourceFileHashAlgorithm::Sha256 => llvm::ChecksumKind::SHA256,
                     };
                     (kind, hex_encode(hash.hash_bytes()))
                 }
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index daceda20097..8b15c8b0eb6 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -558,6 +558,7 @@ pub enum ChecksumKind {
     None,
     MD5,
     SHA1,
+    SHA256,
 }
 
 extern "C" {
diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index 40a10434248..938eb19faef 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -648,6 +648,7 @@ enum class LLVMRustChecksumKind {
   None,
   MD5,
   SHA1,
+  SHA256,
 };
 
 static Optional<DIFile::ChecksumKind> fromRust(LLVMRustChecksumKind Kind) {
@@ -658,6 +659,10 @@ static Optional<DIFile::ChecksumKind> fromRust(LLVMRustChecksumKind Kind) {
     return DIFile::ChecksumKind::CSK_MD5;
   case LLVMRustChecksumKind::SHA1:
     return DIFile::ChecksumKind::CSK_SHA1;
+#if (LLVM_VERSION_MAJOR >= 11)
+  case LLVMRustChecksumKind::SHA256:
+    return DIFile::ChecksumKind::CSK_SHA256;
+#endif
   default:
     report_fatal_error("bad ChecksumKind.");
   }
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index 492457dde83..4c00361dd31 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -1076,7 +1076,7 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
     span_free_formats: bool = (false, parse_bool, [UNTRACKED],
         "exclude spans when debug-printing compiler state (default: no)"),
     src_hash_algorithm: Option<SourceFileHashAlgorithm> = (None, parse_src_file_hash, [TRACKED],
-        "hash algorithm of source files in debug info (`md5`, or `sha1`)"),
+        "hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`)"),
     strip: Strip = (Strip::None, parse_strip, [UNTRACKED],
         "tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`)"),
     symbol_mangling_version: SymbolManglingVersion = (SymbolManglingVersion::Legacy,
diff --git a/compiler/rustc_span/Cargo.toml b/compiler/rustc_span/Cargo.toml
index 1abfd50f003..08645990c48 100644
--- a/compiler/rustc_span/Cargo.toml
+++ b/compiler/rustc_span/Cargo.toml
@@ -17,5 +17,6 @@ scoped-tls = "1.0"
 unicode-width = "0.1.4"
 cfg-if = "0.1.2"
 tracing = "0.1"
-sha-1 = "0.8"
-md-5 = "0.8"
+sha-1 = "0.9"
+sha2 = "0.9"
+md-5 = "0.9"
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index 0e3027273ab..97b5c11b0fe 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -59,6 +59,7 @@ use std::str::FromStr;
 use md5::Md5;
 use sha1::Digest;
 use sha1::Sha1;
+use sha2::Sha256;
 
 use tracing::debug;
 
@@ -1034,6 +1035,7 @@ pub struct OffsetOverflowError;
 pub enum SourceFileHashAlgorithm {
     Md5,
     Sha1,
+    Sha256,
 }
 
 impl FromStr for SourceFileHashAlgorithm {
@@ -1043,6 +1045,7 @@ impl FromStr for SourceFileHashAlgorithm {
         match s {
             "md5" => Ok(SourceFileHashAlgorithm::Md5),
             "sha1" => Ok(SourceFileHashAlgorithm::Sha1),
+            "sha256" => Ok(SourceFileHashAlgorithm::Sha256),
             _ => Err(()),
         }
     }
@@ -1055,7 +1058,7 @@ rustc_data_structures::impl_stable_hash_via_hash!(SourceFileHashAlgorithm);
 #[derive(HashStable_Generic, Encodable, Decodable)]
 pub struct SourceFileHash {
     pub kind: SourceFileHashAlgorithm,
-    value: [u8; 20],
+    value: [u8; 32],
 }
 
 impl SourceFileHash {
@@ -1071,6 +1074,9 @@ impl SourceFileHash {
             SourceFileHashAlgorithm::Sha1 => {
                 value.copy_from_slice(&Sha1::digest(data));
             }
+            SourceFileHashAlgorithm::Sha256 => {
+                value.copy_from_slice(&Sha256::digest(data));
+            }
         }
         hash
     }
@@ -1090,6 +1096,7 @@ impl SourceFileHash {
         match self.kind {
             SourceFileHashAlgorithm::Md5 => 16,
             SourceFileHashAlgorithm::Sha1 => 20,
+            SourceFileHashAlgorithm::Sha256 => 32,
         }
     }
 }
diff --git a/src/doc/unstable-book/src/compiler-flags/src-hash-algorithm.md b/src/doc/unstable-book/src/compiler-flags/src-hash-algorithm.md
index 5a7d0655a44..ff776741b21 100644
--- a/src/doc/unstable-book/src/compiler-flags/src-hash-algorithm.md
+++ b/src/doc/unstable-book/src/compiler-flags/src-hash-algorithm.md
@@ -6,6 +6,6 @@ The tracking issue for this feature is: [#70401](https://github.com/rust-lang/ru
 
 The `-Z src-hash-algorithm` compiler flag controls which algorithm is used when hashing each source file. The hash is stored in the debug info and can be used by a debugger to verify the source code matches the executable.
 
-Supported hash algorithms are: `md5`, and `sha1`. Note that not all hash algorithms are supported by all debug info formats.
+Supported hash algorithms are: `md5`, `sha1`, and `sha256`. Note that not all hash algorithms are supported by all debug info formats.
 
 By default, the compiler chooses the hash algorithm based on the target specification.
diff --git a/src/test/codegen/src-hash-algorithm/src-hash-algorithm-sha256.rs b/src/test/codegen/src-hash-algorithm/src-hash-algorithm-sha256.rs
new file mode 100644
index 00000000000..eaa9eafa1e8
--- /dev/null
+++ b/src/test/codegen/src-hash-algorithm/src-hash-algorithm-sha256.rs
@@ -0,0 +1,7 @@
+// compile-flags: -g -Z src-hash-algorithm=sha256
+// min-llvm-version: 11.0
+
+#![crate_type = "lib"]
+
+pub fn test() {}
+// CHECK: checksumkind: CSK_SHA256
diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index 0c52fee68a9..057b0884e28 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -80,6 +80,7 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
     "cloudabi",
     "cmake",
     "compiler_builtins",
+    "cpuid-bool",
     "crc32fast",
     "crossbeam-deque",
     "crossbeam-epoch",
@@ -160,6 +161,7 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
     "serde",
     "serde_derive",
     "sha-1",
+    "sha2",
     "smallvec",
     "snap",
     "stable_deref_trait",
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-01-09 13:04:01 +0000