// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "textflag.h"
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TEXT _rt0_arm_linux(SB),NOSPLIT|NOFRAME,$0
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MOVW (R13), R0 // argc
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MOVW $4(R13), R1 // argv
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MOVW $_rt0_arm_linux1(SB), R4
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B (R4)
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// When building with -buildmode=c-shared, this symbol is called when the shared
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// library is loaded.
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TEXT _rt0_arm_linux_lib(SB),NOSPLIT,$0
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B _rt0_arm_lib(SB)
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TEXT _rt0_arm_linux1(SB),NOSPLIT|NOFRAME,$0
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// We first need to detect the kernel ABI, and warn the user
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// if the system only supports OABI.
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// The strategy here is to call some EABI syscall to see if
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// SIGILL is received.
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// If you get a SIGILL here, you have the wrong kernel.
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// Save argc and argv (syscall will clobber at least R0).
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MOVM.DB.W [R0-R1], (R13)
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// do an EABI syscall
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MOVW $20, R7 // sys_getpid
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SWI $0 // this will trigger SIGILL on OABI systems
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MOVM.IA.W (R13), [R0-R1]
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B runtime·rt0_go(SB)
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