From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001 From: Vladimir Azarov Date: Tue, 1 Oct 2024 15:47:05 +0200 Subject: Initial version --- src/thread/i386/clone.s | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/thread/i386/clone.s (limited to 'src/thread/i386/clone.s') diff --git a/src/thread/i386/clone.s b/src/thread/i386/clone.s new file mode 100644 index 0000000..e237d3c --- /dev/null +++ b/src/thread/i386/clone.s @@ -0,0 +1,49 @@ +.text +.global __clone +.hidden __clone +.type __clone,@function +__clone: + push %ebp + mov %esp,%ebp + push %ebx + push %esi + push %edi + + xor %eax,%eax + push $0x51 + mov %gs,%ax + push $0xfffff + shr $3,%eax + push 28(%ebp) + push %eax + mov $120,%al + + mov 12(%ebp),%ecx + mov 16(%ebp),%ebx + and $-16,%ecx + sub $16,%ecx + mov 20(%ebp),%edi + mov %edi,(%ecx) + mov 24(%ebp),%edx + mov %esp,%esi + mov 32(%ebp),%edi + mov 8(%ebp),%ebp + int $128 + test %eax,%eax + jnz 1f + + mov %ebp,%eax + xor %ebp,%ebp + call *%eax + mov %eax,%ebx + xor %eax,%eax + inc %eax + int $128 + hlt + +1: add $16,%esp + pop %edi + pop %esi + pop %ebx + pop %ebp + ret -- cgit v1.2.3