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std.Thread: fix inline asm for mipsn32

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This was using the mips64 syscalls.

ref https://github.com/ziglang/zig/issues/22189
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Alex Rønne Petersen 2025-10-18 11:29:40 +02:00
parent 842de66db8
commit e59f2995a5
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1 changed files with 28 additions and 16 deletions
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44
lib/std/Thread.zig
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@ -1242,26 +1242,38 @@ const LinuxThreadImpl = struct {
// The bug was introduced in 46e12c07b3b9603c60fc1d421ff18618241cb081 and fixed in // The bug was introduced in 46e12c07b3b9603c60fc1d421ff18618241cb081 and fixed in
// 7928eb0370d1133d0d8cd2f5ddfca19c309079d5. // 7928eb0370d1133d0d8cd2f5ddfca19c309079d5.
.mips, .mipsel => asm volatile ( .mips, .mipsel => asm volatile (
\\ move $sp, $25 \\ move $sp, $t9
\\ li $2, 4091 # SYS_munmap \\ li $v0, 4091 # SYS_munmap
\\ move $4, %[ptr] \\ move $a0, %[ptr]
\\ move $5, %[len] \\ move $a1, %[len]
\\ syscall \\ syscall
\\ li $2, 4001 # SYS_exit \\ li $v0, 4001 # SYS_exit
\\ li $4, 0 \\ li $a0, 0
\\ syscall \\ syscall
: :
: [ptr] "r" (@intFromPtr(self.mapped.ptr)), : [ptr] "r" (@intFromPtr(self.mapped.ptr)),
[len] "r" (self.mapped.len), [len] "r" (self.mapped.len),
: .{ .memory = true }), : .{ .memory = true }),
.mips64, .mips64el => asm volatile ( .mips64, .mips64el => asm volatile (switch (target.abi) {
\\ li $2, 5011 # SYS_munmap .gnuabin32, .muslabin32 =>
\\ move $4, %[ptr] \\ li $v0, 6011 # SYS_munmap
\\ move $5, %[len] \\ move $a0, %[ptr]
\\ syscall \\ move $a1, %[len]
\\ li $2, 5058 # SYS_exit \\ syscall
\\ li $4, 0 \\ li $v0, 6058 # SYS_exit
\\ syscall \\ li $a0, 0
\\ syscall
,
else =>
\\ li $v0, 5011 # SYS_munmap
\\ move $a0, %[ptr]
\\ move $a1, %[len]
\\ syscall
\\ li $v0, 5058 # SYS_exit
\\ li $a0, 0
\\ syscall
,
}
: :
: [ptr] "r" (@intFromPtr(self.mapped.ptr)), : [ptr] "r" (@intFromPtr(self.mapped.ptr)),
[len] "r" (self.mapped.len), [len] "r" (self.mapped.len),