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Unified Diff: fusl/src/ldso/i386/tlsdesc.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/ldso/i386/tlsdesc.s
diff --git a/fusl/src/ldso/i386/tlsdesc.s b/fusl/src/ldso/i386/tlsdesc.s
new file mode 100644
index 0000000000000000000000000000000000000000..4a553bce11ee1457d284a00cf7ecdf3a40dc6bba
--- /dev/null
+++ b/fusl/src/ldso/i386/tlsdesc.s
@@ -0,0 +1,31 @@
+.text
+.global __tlsdesc_static
+.hidden __tlsdesc_static
+.type __tlsdesc_static,@function
+__tlsdesc_static:
+ mov 4(%eax),%eax
+ ret
+
+.hidden __tls_get_new
+
+.global __tlsdesc_dynamic
+.hidden __tlsdesc_dynamic
+.type __tlsdesc_dynamic,@function
+__tlsdesc_dynamic:
+ mov 4(%eax),%eax
+ push %edx
+ mov %gs:4,%edx
+ push %ecx
+ mov (%eax),%ecx
+ cmp %ecx,(%edx)
+ jc 1f
+ mov 4(%eax),%eax
+ add (%edx,%ecx,4),%eax
+2: pop %ecx
+ sub %gs:0,%eax
+ pop %edx
+ ret
+1: push %eax
+ call __tls_get_new
+ pop %ecx
+ jmp 2b
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