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work around riscv64 backend deficiencies

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This commit is contained in:
Andrew Kelley 2024-09-25 20:39:18 -07:00
parent 231783f207
commit fcfbedc2f0
2 changed files with 25 additions and 0 deletions
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20
lib/std/builtin.zig
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@ -833,6 +833,10 @@ pub const PanicCause = union(enum) {
pub fn panicSentinelMismatch(expected: anytype, found: @TypeOf(expected)) noreturn {
@branchHint(.cold);
if (builtin.zig_backend == .stage2_riscv64) {
// https://github.com/ziglang/zig/issues/21519
@trap();
}
switch (@typeInfo(@TypeOf(expected))) {
.int => |int| switch (int.signedness) {
.unsigned => if (int.bits <= @bitSizeOf(usize)) panic(.{ .sentinel_mismatch_usize = .{
@ -864,11 +868,19 @@ pub fn panicSentinelMismatch(expected: anytype, found: @TypeOf(expected)) noretu
pub fn panicUnwrapError(ert: ?*StackTrace, err: anyerror) noreturn {
@branchHint(.cold);
if (builtin.zig_backend == .stage2_riscv64) {
// https://github.com/ziglang/zig/issues/21519
@trap();
}
panic(.{ .unwrap_error = err }, ert, @returnAddress());
}
pub fn panicOutOfBounds(index: usize, len: usize) noreturn {
@branchHint(.cold);
if (builtin.zig_backend == .stage2_riscv64) {
// https://github.com/ziglang/zig/issues/21519
@trap();
}
panic(.{ .index_out_of_bounds = .{
.index = index,
.len = len,
@ -877,6 +889,10 @@ pub fn panicOutOfBounds(index: usize, len: usize) noreturn {
pub fn panicStartGreaterThanEnd(start: usize, end: usize) noreturn {
@branchHint(.cold);
if (builtin.zig_backend == .stage2_riscv64) {
// https://github.com/ziglang/zig/issues/21519
@trap();
}
panic(.{ .start_index_greater_than_end = .{
.start = start,
.end = end,
@ -885,6 +901,10 @@ pub fn panicStartGreaterThanEnd(start: usize, end: usize) noreturn {
pub fn panicInactiveUnionField(active: anytype, accessed: @TypeOf(active)) noreturn {
@branchHint(.cold);
if (builtin.zig_backend == .stage2_riscv64) {
// https://github.com/ziglang/zig/issues/21519
@trap();
}
panic(.{ .inactive_union_field = .{
.active = @tagName(active),
.accessed = @tagName(accessed),

5
lib/std/debug.zig
View File

@ -629,6 +629,11 @@ pub fn fmtPanicCause(buffer: []u8, cause: std.builtin.PanicCause) usize {
},
.sentinel_mismatch_other => i += fmtBuf(buffer[i..], "sentinel mismatch"),
.unwrap_error => |err| {
if (builtin.zig_backend == .stage2_riscv64) {
// https://github.com/ziglang/zig/issues/21519
i += fmtBuf(buffer[i..], "attempt to unwrap error");
return i;
}
i += fmtBuf(buffer[i..], "attempt to unwrap error: ");
i += fmtBuf(buffer[i..], @errorName(err));
},