4e1847781b
The most important change in this release is the removal of the poll_fd() system call; CloudABI's equivalent of kevent(). Though I think that kqueue is a lot saner than many of its alternatives, our experience is that emulating this system call on other systems accurately isn't easy. It has become a complex API, even though I'm not convinced this complexity is needed. This is why we've decided to take a different approach, by looking one layer up. We're currently adding an event loop to CloudABI's C library that is API compatible with libuv (except when incompatible with Capsicum). Initially, this event loop will be built on top of plain inefficient poll() calls. Only after this is finished, we'll work our way backwards and design a new set of system calls to optimize it. Interesting challenges will include integrating asynchronous I/O into such a system call API. libuv currently doesn't aio(4) on Linux/BSD, due to it being unreliable and having undesired semantics. Obtained from: https://github.com/NuxiNL/cloudabi
450 lines
7.5 KiB
ArmAsm
450 lines
7.5 KiB
ArmAsm
// Copyright (c) 2016 Nuxi (https://nuxi.nl/) and contributors.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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// SUCH DAMAGE.
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//
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// This file is automatically generated. Do not edit.
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//
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// Source: https://github.com/NuxiNL/cloudabi
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#define ENTRY(name) \
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.text; \
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.p2align 4, 0x90; \
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.global name; \
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.type name, @function; \
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name:
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#define END(name) .size name, . - name
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ENTRY(cloudabi_sys_clock_res_get)
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push %rsi
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mov $0, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_clock_res_get)
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ENTRY(cloudabi_sys_clock_time_get)
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push %rdx
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mov $1, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_clock_time_get)
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ENTRY(cloudabi_sys_condvar_signal)
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mov $2, %eax
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syscall
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ret
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END(cloudabi_sys_condvar_signal)
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ENTRY(cloudabi_sys_fd_close)
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mov $3, %eax
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syscall
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ret
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END(cloudabi_sys_fd_close)
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ENTRY(cloudabi_sys_fd_create1)
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push %rsi
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mov $4, %eax
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syscall
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pop %rcx
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jc 1f
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mov %eax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_create1)
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ENTRY(cloudabi_sys_fd_create2)
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push %rsi
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push %rdx
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mov $5, %eax
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syscall
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pop %rsi
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pop %rcx
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jc 1f
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mov %eax, (%rcx)
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mov %edx, (%rsi)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_create2)
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ENTRY(cloudabi_sys_fd_datasync)
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mov $6, %eax
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syscall
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ret
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END(cloudabi_sys_fd_datasync)
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ENTRY(cloudabi_sys_fd_dup)
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push %rsi
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mov $7, %eax
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syscall
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pop %rcx
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jc 1f
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mov %eax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_dup)
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ENTRY(cloudabi_sys_fd_pread)
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mov %rcx, %r10
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push %r8
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mov $8, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_pread)
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ENTRY(cloudabi_sys_fd_pwrite)
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mov %rcx, %r10
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push %r8
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mov $9, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_pwrite)
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ENTRY(cloudabi_sys_fd_read)
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push %rcx
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mov $10, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_read)
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ENTRY(cloudabi_sys_fd_replace)
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mov $11, %eax
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syscall
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ret
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END(cloudabi_sys_fd_replace)
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ENTRY(cloudabi_sys_fd_seek)
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push %rcx
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mov $12, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_seek)
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ENTRY(cloudabi_sys_fd_stat_get)
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mov $13, %eax
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syscall
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ret
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END(cloudabi_sys_fd_stat_get)
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ENTRY(cloudabi_sys_fd_stat_put)
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mov $14, %eax
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syscall
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ret
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END(cloudabi_sys_fd_stat_put)
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ENTRY(cloudabi_sys_fd_sync)
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mov $15, %eax
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syscall
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ret
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END(cloudabi_sys_fd_sync)
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ENTRY(cloudabi_sys_fd_write)
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push %rcx
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mov $16, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_fd_write)
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ENTRY(cloudabi_sys_file_advise)
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mov %rcx, %r10
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mov $17, %eax
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syscall
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ret
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END(cloudabi_sys_file_advise)
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ENTRY(cloudabi_sys_file_allocate)
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mov $18, %eax
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syscall
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ret
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END(cloudabi_sys_file_allocate)
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ENTRY(cloudabi_sys_file_create)
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mov %rcx, %r10
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mov $19, %eax
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syscall
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ret
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END(cloudabi_sys_file_create)
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ENTRY(cloudabi_sys_file_link)
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mov %rcx, %r10
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mov $20, %eax
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syscall
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ret
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END(cloudabi_sys_file_link)
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ENTRY(cloudabi_sys_file_open)
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mov %rcx, %r10
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push %r9
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mov $21, %eax
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syscall
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pop %rcx
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jc 1f
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mov %eax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_file_open)
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ENTRY(cloudabi_sys_file_readdir)
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mov %rcx, %r10
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push %r8
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mov $22, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_file_readdir)
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ENTRY(cloudabi_sys_file_readlink)
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mov %rcx, %r10
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push %r9
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mov $23, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_file_readlink)
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ENTRY(cloudabi_sys_file_rename)
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mov %rcx, %r10
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mov $24, %eax
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syscall
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ret
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END(cloudabi_sys_file_rename)
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ENTRY(cloudabi_sys_file_stat_fget)
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mov $25, %eax
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syscall
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ret
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END(cloudabi_sys_file_stat_fget)
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ENTRY(cloudabi_sys_file_stat_fput)
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mov $26, %eax
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syscall
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ret
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END(cloudabi_sys_file_stat_fput)
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ENTRY(cloudabi_sys_file_stat_get)
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mov %rcx, %r10
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mov $27, %eax
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syscall
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ret
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END(cloudabi_sys_file_stat_get)
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ENTRY(cloudabi_sys_file_stat_put)
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mov %rcx, %r10
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mov $28, %eax
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syscall
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ret
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END(cloudabi_sys_file_stat_put)
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ENTRY(cloudabi_sys_file_symlink)
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mov %rcx, %r10
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mov $29, %eax
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syscall
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ret
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END(cloudabi_sys_file_symlink)
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ENTRY(cloudabi_sys_file_unlink)
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mov %rcx, %r10
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mov $30, %eax
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syscall
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ret
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END(cloudabi_sys_file_unlink)
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ENTRY(cloudabi_sys_lock_unlock)
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mov $31, %eax
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syscall
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ret
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END(cloudabi_sys_lock_unlock)
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ENTRY(cloudabi_sys_mem_advise)
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mov $32, %eax
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syscall
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ret
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END(cloudabi_sys_mem_advise)
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ENTRY(cloudabi_sys_mem_map)
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mov %rcx, %r10
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mov $33, %eax
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syscall
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jc 1f
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mov 8(%rsp), %rcx
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_mem_map)
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ENTRY(cloudabi_sys_mem_protect)
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mov $34, %eax
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syscall
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ret
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END(cloudabi_sys_mem_protect)
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ENTRY(cloudabi_sys_mem_sync)
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mov $35, %eax
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syscall
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ret
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END(cloudabi_sys_mem_sync)
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ENTRY(cloudabi_sys_mem_unmap)
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mov $36, %eax
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syscall
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ret
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END(cloudabi_sys_mem_unmap)
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ENTRY(cloudabi_sys_poll)
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push %rcx
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mov $37, %eax
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syscall
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pop %rcx
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jc 1f
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mov %rax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_poll)
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ENTRY(cloudabi_sys_proc_exec)
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mov %rcx, %r10
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mov $38, %eax
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syscall
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ret
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END(cloudabi_sys_proc_exec)
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ENTRY(cloudabi_sys_proc_exit)
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mov $39, %eax
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syscall
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END(cloudabi_sys_proc_exit)
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ENTRY(cloudabi_sys_proc_fork)
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push %rdi
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push %rsi
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mov $40, %eax
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syscall
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pop %rsi
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pop %rcx
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jc 1f
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mov %eax, (%rcx)
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mov %edx, (%rsi)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_proc_fork)
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ENTRY(cloudabi_sys_proc_raise)
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mov $41, %eax
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syscall
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ret
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END(cloudabi_sys_proc_raise)
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ENTRY(cloudabi_sys_random_get)
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mov $42, %eax
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syscall
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ret
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END(cloudabi_sys_random_get)
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ENTRY(cloudabi_sys_sock_recv)
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mov $43, %eax
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syscall
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ret
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END(cloudabi_sys_sock_recv)
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ENTRY(cloudabi_sys_sock_send)
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mov $44, %eax
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syscall
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ret
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END(cloudabi_sys_sock_send)
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ENTRY(cloudabi_sys_sock_shutdown)
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mov $45, %eax
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syscall
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ret
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END(cloudabi_sys_sock_shutdown)
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ENTRY(cloudabi_sys_thread_create)
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push %rsi
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mov $46, %eax
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syscall
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pop %rcx
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jc 1f
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mov %eax, (%rcx)
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xor %eax, %eax
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1:
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ret
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END(cloudabi_sys_thread_create)
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ENTRY(cloudabi_sys_thread_exit)
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mov $47, %eax
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syscall
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END(cloudabi_sys_thread_exit)
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ENTRY(cloudabi_sys_thread_yield)
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mov $48, %eax
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syscall
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ret
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END(cloudabi_sys_thread_yield)
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