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| -rw-r--r-- | lib/std/Thread.zig | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/std/Thread.zig b/lib/std/Thread.zig index 2ed6610bc0..12c22d69a8 100644 --- a/lib/std/Thread.zig +++ b/lib/std/Thread.zig @@ -1188,6 +1188,28 @@ const LinuxThreadImpl = struct { [len] "r" (self.mapped.len), : "memory" ), + .sparc => asm volatile ( + \\ # See sparc64 comments below. + \\ 1: + \\ cmp %%fp, 0 + \\ beq 2f + \\ nop + \\ ba 1b + \\ restore + \\ 2: + \\ mov 73, %%g1 # SYS_munmap + \\ mov %[ptr], %%o0 + \\ mov %[len], %%o1 + \\ t 0x3 # ST_FLUSH_WINDOWS + \\ t 0x10 + \\ mov 1, %%g1 # SYS_exit + \\ mov 0, %%o0 + \\ t 0x10 + : + : [ptr] "r" (@intFromPtr(self.mapped.ptr)), + [len] "r" (self.mapped.len), + : "memory" + ), .sparc64 => asm volatile ( \\ # SPARCs really don't like it when active stack frames \\ # is unmapped (it will result in a segfault), so we |