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Unified Diff: fusl/src/thread/x32/syscall_cp.s

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/thread/x32/syscall_cp.s
diff --git a/fusl/src/thread/x32/syscall_cp.s b/fusl/src/thread/x32/syscall_cp.s
new file mode 100644
index 0000000000000000000000000000000000000000..9805af0ae98996a7d2d6d9c7680c140689d82068
--- /dev/null
+++ b/fusl/src/thread/x32/syscall_cp.s
@@ -0,0 +1,31 @@
+.text
+.global __cp_begin
+.hidden __cp_begin
+.global __cp_end
+.hidden __cp_end
+.global __cp_cancel
+.hidden __cp_cancel
+.hidden __cancel
+.global __syscall_cp_internal
+.hidden __syscall_cp_internal
+.type __syscall_cp_internal,@function
+__syscall_cp_internal:
+
+__cp_begin:
+ mov (%rdi),%eax
+ test %eax,%eax
+ jnz __cp_cancel
+ mov %rdi,%r11
+ mov %rsi,%rax
+ mov %rdx,%rdi
+ mov %rcx,%rsi
+ mov %r8,%rdx
+ mov %r9,%r10
+ mov 8(%rsp),%r8
+ mov 16(%rsp),%r9
+ mov %r11,8(%rsp)
+ syscall
+__cp_end:
+ ret
+__cp_cancel:
+ jmp __cancel
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