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Diffstat (limited to 'linux-user/host/riscv/host-signal.h')
-rw-r--r--linux-user/host/riscv/host-signal.h63
1 files changed, 0 insertions, 63 deletions
diff --git a/linux-user/host/riscv/host-signal.h b/linux-user/host/riscv/host-signal.h
deleted file mode 100644
index a4f170efb0..0000000000
--- a/linux-user/host/riscv/host-signal.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * host-signal.h: signal info dependent on the host architecture
- *
- * Copyright (c) 2003-2005 Fabrice Bellard
- * Copyright (c) 2021 Linaro Limited
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING file in the top-level directory.
- */
-
-#ifndef RISCV_HOST_SIGNAL_H
-#define RISCV_HOST_SIGNAL_H
-
-static inline uintptr_t host_signal_pc(ucontext_t *uc)
-{
- return uc->uc_mcontext.__gregs[REG_PC];
-}
-
-static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc)
-{
- uc->uc_mcontext.__gregs[REG_PC] = pc;
-}
-
-static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
-{
- /*
- * Detect store by reading the instruction at the program counter.
- * Do not read more than 16 bits, because we have not yet determined
- * the size of the instruction.
- */
- const uint16_t *pinsn = (const uint16_t *)host_signal_pc(uc);
- uint16_t insn = pinsn[0];
-
- /* 16-bit instructions */
- switch (insn & 0xe003) {
- case 0xa000: /* c.fsd */
- case 0xc000: /* c.sw */
- case 0xe000: /* c.sd (rv64) / c.fsw (rv32) */
- case 0xa002: /* c.fsdsp */
- case 0xc002: /* c.swsp */
- case 0xe002: /* c.sdsp (rv64) / c.fswsp (rv32) */
- return true;
- }
-
- /* 32-bit instructions, major opcodes */
- switch (insn & 0x7f) {
- case 0x23: /* store */
- case 0x27: /* store-fp */
- return true;
- case 0x2f: /* amo */
- /*
- * The AMO function code is in bits 25-31, unread as yet.
- * The AMO functions are LR (read), SC (write), and the
- * rest are all read-modify-write.
- */
- insn = pinsn[1];
- return (insn >> 11) != 2; /* LR */
- }
-
- return false;
-}
-
-#endif