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fix(asm): close the oracle parity gaps in frame addressing and calls

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petrbalvin
2026-09-14 23:25:14 +02:00
parent 70218e84ba
commit 40476546df
18 changed files with 456 additions and 60 deletions
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testdata/verify/bigframe_amd64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Large frame offsets and tail calls, byte-parity-checked against go tool asm.
#include "textflag.h"
TEXT ·bigframe(SB), $9000-32
MOVQ x+0(FP), R8
MOVQ y+8(FP), R9
MOVQ R8, z+24(FP)
MOVQ R9, w+8992(FP)
RET
TEXT ·tail(SB), $0-0
JMP ·other(SB)
TEXT ·other(SB), NOSPLIT, $0
RET
testdata/verify/bigframe_arm64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Large frame offsets and tail calls, byte-parity-checked against go tool asm.
#include "textflag.h"
TEXT ·bigframe(SB), $9000-32
MOVD x+0(FP), R5
MOVD y+8(FP), R6
MOVD R5, z+24(FP)
MOVB R5, b+16(FP)
MOVD R5, w+30000(FP)
RET
TEXT ·unaligned(SB), $9000-16
MOVD x+4(FP), R5
MOVD R5, ret+8(FP)
RET
TEXT ·b32k(SB), $32744-8
MOVD x+0(FP), R5
MOVD R5, ret+0(FP)
RET
TEXT ·oddframe(SB), $8-8
MOVD x+0(FP), R5
MOVD R5, ret+0(FP)
RET
TEXT ·tail(SB), $0-0
JMP ·other(SB)
TEXT ·other(SB), NOSPLIT, $0
RET
testdata/verify/bigframe_loong64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Large frame offsets and tail calls, byte-parity-checked against go tool asm.
#include "textflag.h"
TEXT ·bigframe(SB), $9000-32
MOVV x+0(FP), R5
MOVB y+8990(FP), R6
MOVV R5, z+16(FP)
RET
TEXT ·tail(SB), $0-0
JMP ·other(SB)
TEXT ·other(SB), NOSPLIT, $0
RET
testdata/verify/bigframe_riscv64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Large frame offsets and tail calls, byte-parity-checked against go tool asm.
#include "textflag.h"
TEXT ·bigframe(SB), $9000-32
MOV x+0(FP), X5
MOV y+8(FP), X6
MOV X5, z+24(FP)
MOV $77, X7
MOV X7, w+8992(FP)
RET
TEXT ·oddsp(SB), $16-8
MOV X5, x-9000(SP)
MOV X5, ret+0(FP)
RET
TEXT ·tail(SB), $0-0
JMP ·other(SB)
TEXT ·other(SB), NOSPLIT, $0
RET
testdata/verify/guard_amd64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Stack-split guard classes, byte-parity-checked against go tool asm.
#include "textflag.h"
TEXT ·leafsmall(SB), $16-0
RET
TEXT ·leafmed(SB), $256-0
RET
TEXT ·leafbig(SB), $8192-0
RET
TEXT ·callsmall(SB), $16-0
CALL ·other(SB)
RET
TEXT ·nosplit(SB), NOSPLIT, $16-0
RET
TEXT ·other(SB), NOSPLIT, $0
RET
testdata/verify/guard_arm64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Stack-split guard classes, byte-parity-checked against go tool asm.
#include "textflag.h"
TEXT ·leafsmall(SB), $16-0
RET
TEXT ·leafmed(SB), $256-0
RET
TEXT ·leafbig(SB), $8192-0
RET
TEXT ·oddframe(SB), $8-8
MOVD x+0(FP), R5
MOVD R5, ret+0(FP)
RET
TEXT ·callsmall(SB), $16-0
CALL ·other(SB)
RET
TEXT ·nosplit(SB), NOSPLIT, $16-0
RET
TEXT ·other(SB), NOSPLIT, $0
RET
testdata/verify/guard_loong64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Stack-split guard classes, byte-parity-checked against go tool asm: every
// class plus the materialised-constant and zero-low-bit variants.
#include "textflag.h"
TEXT ·leafsmall(SB), $16-0
RET
TEXT ·leafmed(SB), $256-0
RET
TEXT ·fit2048(SB), $2040-0
RET
TEXT ·med2048off(SB), $2168-0
RET
TEXT ·medmat(SB), $2176-0
RET
TEXT ·leafbig(SB), $8192-0
RET
TEXT ·bigzero(SB), $4088-0
RET
TEXT ·big3976(SB), $4096-0
RET
TEXT ·giantlo0(SB), $4216-0
RET
TEXT ·callbig(SB), $8192-0
CALL ·other(SB)
RET
TEXT ·nosplit(SB), NOSPLIT, $16-0
RET
TEXT ·other(SB), NOSPLIT, $0
RET
testdata/verify/guard_riscv64.s
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
// SPDX-License-Identifier: BSD-3-Clause
// Stack-split guard classes, byte-parity-checked against go tool asm.
#include "textflag.h"
TEXT ·leafsmall(SB), $16-0
RET
TEXT ·leafmed(SB), $256-0
RET
TEXT ·leafbig(SB), $8192-0
RET
TEXT ·frameless(SB), $0-0
CALL ·other(SB)
RET
TEXT ·nosplit(SB), NOSPLIT, $16-0
RET
TEXT ·other(SB), NOSPLIT, $0
RET