44 lines
755 B
ArmAsm
44 lines
755 B
ArmAsm
# uint32_t read_ip()
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.global read_ip
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read_ip:
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popl %eax
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jmp *%eax
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# void start_thread(uint32_t sp, uint32_t ip)
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.global start_thread
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start_thread:
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movl 8(%esp), %edi # ip
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movl 4(%esp), %esp # sp
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# STACK LAYOUT
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# NULL
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# thread ptr
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# &Thread::on_exit
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# data
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xorl %ebp, %ebp
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sti
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call *%edi
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movl 4(%esp), %edi # &Thread::on_exit
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movl 8(%esp), %eax # thread ptr
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movl %eax, (%esp)
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call *%edi
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# void continue_thread(uint32_t sp, uint32_t ip)
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.global continue_thread
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continue_thread:
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movl 8(%esp), %edi # ip
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movl 4(%esp), %esp # sp
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xorl %eax, %eax
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jmp *%edi
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# void thread_userspace_trampoline(uint32_t sp, uint32_t ip, int argc, char** argv, char** envp)
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.global thread_userspace_trampoline
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thread_userspace_trampoline:
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ud2
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