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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
| commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
| tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/runtime/asan_riscv64.s | |
| parent | Initial commit. (diff) | |
| download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip | |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/asan_riscv64.s')
| -rw-r--r-- | src/runtime/asan_riscv64.s | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/runtime/asan_riscv64.s b/src/runtime/asan_riscv64.s new file mode 100644 index 0000000..6fcd94d --- /dev/null +++ b/src/runtime/asan_riscv64.s @@ -0,0 +1,68 @@ +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build asan + +#include "go_asm.h" +#include "textflag.h" + +// Called from instrumented code. +// func runtime·doasanread(addr unsafe.Pointer, sz, sp, pc uintptr) +TEXT runtime·doasanread(SB), NOSPLIT, $0-32 + MOV addr+0(FP), X10 + MOV sz+8(FP), X11 + MOV sp+16(FP), X12 + MOV pc+24(FP), X13 + // void __asan_read_go(void *addr, uintptr_t sz); + MOV $__asan_read_go(SB), X14 + JMP asancall<>(SB) + +// func runtime·doasanwrite(addr unsafe.Pointer, sz, sp, pc uintptr) +TEXT runtime·doasanwrite(SB), NOSPLIT, $0-32 + MOV addr+0(FP), X10 + MOV sz+8(FP), X11 + MOV sp+16(FP), X12 + MOV pc+24(FP), X13 + // void __asan_write_go(void *addr, uintptr_t sz); + MOV $__asan_write_go(SB), X14 + JMP asancall<>(SB) + +// func runtime·asanunpoison(addr unsafe.Pointer, sz uintptr) +TEXT runtime·asanunpoison(SB), NOSPLIT, $0-16 + MOV addr+0(FP), X10 + MOV sz+8(FP), X11 + // void __asan_unpoison_go(void *addr, uintptr_t sz); + MOV $__asan_unpoison_go(SB), X14 + JMP asancall<>(SB) + +// func runtime·asanpoison(addr unsafe.Pointer, sz uintptr) +TEXT runtime·asanpoison(SB), NOSPLIT, $0-16 + MOV addr+0(FP), X10 + MOV sz+8(FP), X11 + // void __asan_poison_go(void *addr, uintptr_t sz); + MOV $__asan_poison_go(SB), X14 + JMP asancall<>(SB) + +// func runtime·asanregisterglobals(addr unsafe.Pointer, n uintptr) +TEXT runtime·asanregisterglobals(SB), NOSPLIT, $0-16 + MOV addr+0(FP), X10 + MOV n+8(FP), X11 + // void __asan_register_globals_go(void *addr, uintptr_t n); + MOV $__asan_register_globals_go(SB), X14 + JMP asancall<>(SB) + +// Switches SP to g0 stack and calls (X14). Arguments already set. +TEXT asancall<>(SB), NOSPLIT, $0-0 + MOV X2, X8 // callee-saved + BEQZ g, g0stack // no g, still on a system stack + MOV g_m(g), X21 + MOV m_g0(X21), X21 + BEQ X21, g, g0stack + + MOV (g_sched+gobuf_sp)(X21), X2 + +g0stack: + JALR RA, X14 + MOV X8, X2 + RET |