std.Thread: Implement freeAndExit() for hexagon.

2024-08-18 02:29:54 +02:00
parent 8e4feca8ab
commit f0d6a211e0
1 changed files with 13 additions and 0 deletions
--- a/lib/std/Thread.zig
+++ b/lib/std/Thread.zig
@@ -1130,6 +1130,19 @@ const LinuxThreadImpl = struct {
                      [len] "r" (self.mapped.len),
                    : "memory"
                ),
+                .hexagon => asm volatile (
+                    \\  r6 = #215 // SYS_munmap
+                    \\  r0 = %[ptr]
+                    \\  r1 = %[len]
+                    \\  trap0(#1)
+                    \\  r6 = #93 // SYS_exit
+                    \\  r0 = #0
+                    \\  trap0(#1)
+                    :
+                    : [ptr] "r" (@intFromPtr(self.mapped.ptr)),
+                      [len] "r" (self.mapped.len),
+                    : "memory"
+                ),
                // We set `sp` to the address of the current function as a workaround for a Linux
                // kernel bug that caused syscalls to return EFAULT if the stack pointer is invalid.
                // The bug was introduced in 46e12c07b3b9603c60fc1d421ff18618241cb081 and fixed in