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Editing: asan_loong64.s
// Copyright 2023 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" #define RARG0 R4 #define RARG1 R5 #define RARG2 R6 #define RARG3 R7 #define FARG R8 // Called from instrumented code. // func runtime·doasanread(addr unsafe.Pointer, sz, sp, pc uintptr) TEXT runtime·doasanread(SB), NOSPLIT, $0-32 MOVV addr+0(FP), RARG0 MOVV sz+8(FP), RARG1 MOVV sp+16(FP), RARG2 MOVV pc+24(FP), RARG3 // void __asan_read_go(void *addr, uintptr_t sz, void *sp, void *pc); MOVV $__asan_read_go(SB), FARG JMP asancall<>(SB) // func runtime·doasanwrite(addr unsafe.Pointer, sz, sp, pc uintptr) TEXT runtime·doasanwrite(SB), NOSPLIT, $0-32 MOVV addr+0(FP), RARG0 MOVV sz+8(FP), RARG1 MOVV sp+16(FP), RARG2 MOVV pc+24(FP), RARG3 // void __asan_write_go(void *addr, uintptr_t sz, void *sp, void *pc); MOVV $__asan_write_go(SB), FARG JMP asancall<>(SB) // func runtime·asanunpoison(addr unsafe.Pointer, sz uintptr) TEXT runtime·asanunpoison(SB), NOSPLIT, $0-16 MOVV addr+0(FP), RARG0 MOVV sz+8(FP), RARG1 // void __asan_unpoison_go(void *addr, uintptr_t sz); MOVV $__asan_unpoison_go(SB), FARG JMP asancall<>(SB) // func runtime·asanpoison(addr unsafe.Pointer, sz uintptr) TEXT runtime·asanpoison(SB), NOSPLIT, $0-16 MOVV addr+0(FP), RARG0 MOVV sz+8(FP), RARG1 // void __asan_poison_go(void *addr, uintptr_t sz); MOVV $__asan_poison_go(SB), FARG JMP asancall<>(SB) // func runtime·asanregisterglobals(addr unsafe.Pointer, n uintptr) TEXT runtime·asanregisterglobals(SB), NOSPLIT, $0-16 MOVV addr+0(FP), RARG0 MOVV n+8(FP), RARG1 // void __asan_register_globals_go(void *addr, uintptr_t n); MOVV $__asan_register_globals_go(SB), FARG JMP asancall<>(SB) // Switches SP to g0 stack and calls (FARG). Arguments already set. TEXT asancall<>(SB), NOSPLIT, $0-0 MOVV R3, R23 // callee-saved BEQ g, g0stack // no g, still on a system stack MOVV g_m(g), R14 MOVV m_g0(R14), R15 BEQ R15, g, g0stack MOVV (g_sched+gobuf_sp)(R15), R9 MOVV R9, R3 g0stack: JAL (FARG) MOVV R23, R3 RET
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