mirror of
https://github.com/golang/go
synced 2024-09-30 03:24:39 -06:00
1a09d57de5
- Fix typo in throw error message for arena.
- Correct typos in assembly and Go comments.
- Fix log message in TestTraceCPUProfile.
Change-Id: I874c9e8cd46394448b6717bc6021aa3ecf319d16
GitHub-Last-Rev: d27fad4d3c
GitHub-Pull-Request: golang/go#58375
Reviewed-on: https://go-review.googlesource.com/c/go/+/465975
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
92 lines
2.5 KiB
ArmAsm
92 lines
2.5 KiB
ArmAsm
// Copyright 2021 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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//go:build asan
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#include "go_asm.h"
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#include "go_tls.h"
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#include "funcdata.h"
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#include "textflag.h"
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// This is like race_amd64.s, but for the asan calls.
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// See race_amd64.s for detailed comments.
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#ifdef GOOS_windows
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#define RARG0 CX
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#define RARG1 DX
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#define RARG2 R8
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#define RARG3 R9
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#else
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#define RARG0 DI
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#define RARG1 SI
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#define RARG2 DX
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#define RARG3 CX
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#endif
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// Called from instrumented code.
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// func runtime·doasanread(addr unsafe.Pointer, sz, sp, pc uintptr)
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TEXT runtime·doasanread(SB), NOSPLIT, $0-32
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MOVQ addr+0(FP), RARG0
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MOVQ size+8(FP), RARG1
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MOVQ sp+16(FP), RARG2
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MOVQ pc+24(FP), RARG3
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// void __asan_read_go(void *addr, uintptr_t sz, void *sp, void *pc);
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MOVQ $__asan_read_go(SB), AX
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JMP asancall<>(SB)
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// func runtime·doasanwrite(addr unsafe.Pointer, sz, sp, pc uintptr)
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TEXT runtime·doasanwrite(SB), NOSPLIT, $0-32
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MOVQ addr+0(FP), RARG0
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MOVQ size+8(FP), RARG1
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MOVQ sp+16(FP), RARG2
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MOVQ pc+24(FP), RARG3
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// void __asan_write_go(void *addr, uintptr_t sz, void *sp, void *pc);
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MOVQ $__asan_write_go(SB), AX
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JMP asancall<>(SB)
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// func runtime·asanunpoison(addr unsafe.Pointer, sz uintptr)
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TEXT runtime·asanunpoison(SB), NOSPLIT, $0-16
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MOVQ addr+0(FP), RARG0
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MOVQ size+8(FP), RARG1
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// void __asan_unpoison_go(void *addr, uintptr_t sz);
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MOVQ $__asan_unpoison_go(SB), AX
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JMP asancall<>(SB)
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// func runtime·asanpoison(addr unsafe.Pointer, sz uintptr)
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TEXT runtime·asanpoison(SB), NOSPLIT, $0-16
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MOVQ addr+0(FP), RARG0
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MOVQ size+8(FP), RARG1
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// void __asan_poison_go(void *addr, uintptr_t sz);
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MOVQ $__asan_poison_go(SB), AX
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JMP asancall<>(SB)
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// func runtime·asanregisterglobals(addr unsafe.Pointer, n uintptr)
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TEXT runtime·asanregisterglobals(SB), NOSPLIT, $0-16
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MOVD addr+0(FP), RARG0
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MOVD size+8(FP), RARG1
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// void __asan_register_globals_go(void *addr, uintptr_t n);
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MOVD $__asan_register_globals_go(SB), AX
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JMP asancall<>(SB)
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// Switches SP to g0 stack and calls (AX). Arguments already set.
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TEXT asancall<>(SB), NOSPLIT, $0-0
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get_tls(R12)
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MOVQ g(R12), R14
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MOVQ SP, R12 // callee-saved, preserved across the CALL
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CMPQ R14, $0
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JE call // no g; still on a system stack
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MOVQ g_m(R14), R13
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// Switch to g0 stack.
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MOVQ m_g0(R13), R10
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CMPQ R10, R14
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JE call // already on g0
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MOVQ (g_sched+gobuf_sp)(R10), SP
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call:
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ANDQ $~15, SP // alignment for gcc ABI
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CALL AX
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MOVQ R12, SP
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RET
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