Bananymous
9d83424346
Any time I started a thread I was loading the stack pointer which is already correctly passed :D
50 lines
604 B
ArmAsm
50 lines
604 B
ArmAsm
.global asm_syscall_handler
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asm_syscall_handler:
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swapgs
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movq %rsp, %rax
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movq %gs:8, %rsp
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pushq $(0x20 | 3)
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pushq %rax
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pushq %r11
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pushq $(0x28 | 3)
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pushq %rcx
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subq $8, %rsp
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movq %r10, %rcx
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call cpp_syscall_handler
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movq 8(%rsp), %rcx
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movq 24(%rsp), %r11
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movq 32(%rsp), %rsp
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swapgs
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sysretq
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.global sys_fork_trampoline
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sys_fork_trampoline:
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pushq %rbx
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pushq %rbp
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pushq %r12
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pushq %r13
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pushq %r14
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pushq %r15
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call read_ip
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testq %rax, %rax
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jz .done
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movq %rax, %rsi
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movq %rsp, %rdi
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call sys_fork
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.done:
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popq %r15
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popq %r14
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popq %r13
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popq %r12
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popq %rbp
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popq %rbx
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ret
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