73 lines
1.5 KiB
ArmAsm
73 lines
1.5 KiB
ArmAsm
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// SPDX-License-Identifier: Apache-2.0
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// SPDX-FileCopyrightText: 2022 The Ebitengine Authors
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//go:build darwin || freebsd || linux
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#include "textflag.h"
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#include "go_asm.h"
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// these trampolines map the gcc ABI to Go ABI and then calls into the Go equivalent functions.
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TEXT x_cgo_init_trampoline(SB), NOSPLIT, $0-0
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MOVD R0, 8(RSP)
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MOVD R1, 16(RSP)
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MOVD ·x_cgo_init_call(SB), R26
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MOVD (R26), R2
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CALL (R2)
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RET
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TEXT x_cgo_thread_start_trampoline(SB), NOSPLIT, $0-0
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MOVD R0, 8(RSP)
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MOVD ·x_cgo_thread_start_call(SB), R26
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MOVD (R26), R2
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CALL (R2)
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RET
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TEXT x_cgo_setenv_trampoline(SB), NOSPLIT, $0-0
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MOVD R0, 8(RSP)
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MOVD ·x_cgo_setenv_call(SB), R26
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MOVD (R26), R2
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CALL (R2)
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RET
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TEXT x_cgo_unsetenv_trampoline(SB), NOSPLIT, $0-0
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MOVD R0, 8(RSP)
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MOVD ·x_cgo_unsetenv_call(SB), R26
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MOVD (R26), R2
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CALL (R2)
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RET
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TEXT x_cgo_notify_runtime_init_done_trampoline(SB), NOSPLIT, $0-0
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CALL ·x_cgo_notify_runtime_init_done(SB)
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RET
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TEXT x_cgo_bindm_trampoline(SB), NOSPLIT, $0
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CALL ·x_cgo_bindm(SB)
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RET
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// func setg_trampoline(setg uintptr, g uintptr)
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TEXT ·setg_trampoline(SB), NOSPLIT, $0-16
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MOVD G+8(FP), R0
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MOVD setg+0(FP), R1
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CALL R1
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RET
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TEXT threadentry_trampoline(SB), NOSPLIT, $0-0
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MOVD R0, 8(RSP)
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MOVD ·threadentry_call(SB), R26
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MOVD (R26), R2
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CALL (R2)
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MOVD $0, R0 // TODO: get the return value from threadentry
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RET
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TEXT ·call5(SB), NOSPLIT, $0-0
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MOVD fn+0(FP), R6
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MOVD a1+8(FP), R0
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MOVD a2+16(FP), R1
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MOVD a3+24(FP), R2
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MOVD a4+32(FP), R3
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MOVD a5+40(FP), R4
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CALL R6
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MOVD R0, ret+48(FP)
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RET
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