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valgrind: Add riscv64-linux support.

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This appeared in Valgrind 3.25.0.
This commit is contained in:
Alex Rønne Petersen 2025-06-04 06:04:34 +02:00
parent 100b76e17a
commit 2add31bfde
4 changed files with 37 additions and 6 deletions
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14
lib/std/valgrind.zig
View File

@ -66,6 +66,20 @@ pub fn doClientRequest(default: usize, request: usize, a1: usize, a2: usize, a3:
[_] "{r3}" (default),
: "cc", "memory"
),
.riscv64 => asm volatile (
\\ .option push
\\ .option norvc
\\ srli zero, zero, 3
\\ srli zero, zero, 13
\\ srli zero, zero, 51
\\ srli zero, zero, 61
\\ or a0, a0, a0
\\ .option pop
: [_] "={a3}" (-> usize),
: [_] "{a4}" (args),
[_] "{a3}" (default),
: "cc", "memory"
),
.s390x => asm volatile (
\\ lr %%r15, %%r15
\\ lr %%r1, %%r1

6
src/Package/Module.zig
View File

@ -113,8 +113,10 @@ pub fn create(arena: Allocator, options: CreateOptions) !*Package.Module {
break :b options.global.root_strip;
};
const zig_backend = target_util.zigBackend(target, options.global.use_llvm);
const valgrind = b: {
if (!target_util.hasValgrindSupport(target)) {
if (!target_util.hasValgrindSupport(target, zig_backend)) {
if (options.inherited.valgrind == true)
return error.ValgrindUnsupportedOnTarget;
break :b false;
@ -125,8 +127,6 @@ pub fn create(arena: Allocator, options: CreateOptions) !*Package.Module {
break :b optimize_mode == .Debug;
};
const zig_backend = target_util.zigBackend(target, options.global.use_llvm);
const single_threaded = b: {
if (target_util.alwaysSingleThreaded(target)) {
if (options.inherited.single_threaded == false)

15
src/codegen/llvm.zig
View File

@ -11604,7 +11604,7 @@ pub const FuncGen = struct {
const pt = o.pt;
const zcu = pt.zcu;
const target = zcu.getTarget();
if (!target_util.hasValgrindSupport(target)) return default_value;
if (!target_util.hasValgrindSupport(target, .stage2_llvm)) return default_value;
const llvm_usize = try o.lowerType(Type.usize);
const usize_alignment = Type.usize.abiAlignment(zcu).toLlvm();
@ -11678,6 +11678,19 @@ pub const FuncGen = struct {
,
.constraints = "={r3},{r4},{r3},~{cc},~{memory}",
},
.riscv64 => .{
.template =
\\ .option push
\\ .option norvc
\\ srli zero, zero, 3
\\ srli zero, zero, 13
\\ srli zero, zero, 51
\\ srli zero, zero, 61
\\ or a0, a0, a0
\\ .option pop
,
.constraints = "={a3},{a4},{a3},~{cc},~{memory}",
},
.s390x => .{
.template =
\\ lr %r15, %r15

8
src/target.zig
View File

@ -84,7 +84,7 @@ pub fn defaultSingleThreaded(target: std.Target) bool {
return false;
}
pub fn hasValgrindSupport(target: std.Target) bool {
pub fn hasValgrindSupport(target: std.Target, backend: std.builtin.CompilerBackend) bool {
// We can't currently output the necessary Valgrind client request assembly when using the C
// backend and compiling with an MSVC-like compiler.
const ofmt_c_msvc = (target.abi == .msvc or target.abi == .itanium) and target.ofmt == .c;
@ -103,7 +103,11 @@ pub fn hasValgrindSupport(target: std.Target) bool {
else => false,
},
.powerpc, .powerpcle, .powerpc64, .powerpc64le => switch (target.os.tag) {
.linux => true,
.linux => backend != .stage2_powerpc, // Insufficient inline assembly support in self-hosted.
else => false,
},
.riscv64 => switch (target.os.tag) {
.linux => backend != .stage2_riscv64, // Insufficient inline assembly support in self-hosted.
else => false,
},
.s390x => switch (target.os.tag) {