tests/docker: auto-generate centos8.docker with lcitool
[qemu/kevin.git] / include / exec / plugin-gen.h
blobf92f169739859db1c92712a2822b27aae5992641
1 /*
2 * Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
4 * License: GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
7 * plugin-gen.h - TCG-dependent definitions for generating plugin code
9 * This header should be included only from plugin.c and C files that emit
10 * TCG code.
12 #ifndef QEMU_PLUGIN_GEN_H
13 #define QEMU_PLUGIN_GEN_H
15 #include "qemu/plugin.h"
16 #include "tcg/tcg.h"
18 struct DisasContextBase;
20 #ifdef CONFIG_PLUGIN
22 bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool supress);
23 void plugin_gen_tb_end(CPUState *cpu);
24 void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db);
25 void plugin_gen_insn_end(void);
27 void plugin_gen_disable_mem_helpers(void);
28 void plugin_gen_empty_mem_callback(TCGv addr, uint32_t info);
30 static inline void plugin_insn_append(abi_ptr pc, const void *from, size_t size)
32 struct qemu_plugin_insn *insn = tcg_ctx->plugin_insn;
33 abi_ptr off;
35 if (insn == NULL) {
36 return;
38 off = pc - insn->vaddr;
39 if (off < insn->data->len) {
40 g_byte_array_set_size(insn->data, off);
41 } else if (off > insn->data->len) {
42 /* we have an unexpected gap */
43 g_assert_not_reached();
46 insn->data = g_byte_array_append(insn->data, from, size);
49 #else /* !CONFIG_PLUGIN */
51 static inline
52 bool plugin_gen_tb_start(CPUState *cpu, const TranslationBlock *tb, bool supress)
54 return false;
57 static inline
58 void plugin_gen_insn_start(CPUState *cpu, const struct DisasContextBase *db)
59 { }
61 static inline void plugin_gen_insn_end(void)
62 { }
64 static inline void plugin_gen_tb_end(CPUState *cpu)
65 { }
67 static inline void plugin_gen_disable_mem_helpers(void)
68 { }
70 static inline void plugin_gen_empty_mem_callback(TCGv addr, uint32_t info)
71 { }
73 static inline void plugin_insn_append(abi_ptr pc, const void *from, size_t size)
74 { }
76 #endif /* CONFIG_PLUGIN */
78 #endif /* QEMU_PLUGIN_GEN_H */