fusl/src/thread/x32/clone.s - Issue 1573973002: Add a "fork" of musl as //fusl.

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

diff --git a/fusl/src/thread/x32/clone.s b/fusl/src/thread/x32/clone.s

new file mode 100644

index 0000000000000000000000000000000000000000..eed461510baa9b1499996ab3c773268261c4ac07

--- /dev/null

+++ b/fusl/src/thread/x32/clone.s

@@ -0,0 +1,25 @@

+.text

+.global __clone

+.type __clone,@function

+__clone:

+ movl $0x40000038,%eax /* SYS_clone */

+ mov %rdi,%r11

+ mov %rdx,%rdi

+ mov %r8,%rdx

+ mov %r9,%r8

+ mov 8(%rsp),%r10

+ mov %r11,%r9

+ and $-16,%rsi

+ sub $8,%rsi

+ mov %rcx,(%rsi)

+ syscall

+ test %eax,%eax

+ jnz 1f

+ xor %ebp,%ebp

+ pop %rdi

+ call *%r9

+ mov %eax,%edi

+ movl $0x4000003c,%eax /* SYS_exit */

+ syscall

+ hlt

+1: ret

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