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[PATCH 03/11] plugins: prepare introduction of new inline ops
From: |
Alex Bennée |
Subject: |
[PATCH 03/11] plugins: prepare introduction of new inline ops |
Date: |
Tue, 14 May 2024 18:42:45 +0100 |
From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Until now, only add_u64 was available, and all functions assumed this or
were named uniquely.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240502211522.346467-2-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
include/qemu/plugin.h | 2 +-
accel/tcg/plugin-gen.c | 6 +++---
plugins/core.c | 14 ++++++++++++--
3 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/include/qemu/plugin.h b/include/qemu/plugin.h
index b535bfd5de..93da98b76c 100644
--- a/include/qemu/plugin.h
+++ b/include/qemu/plugin.h
@@ -69,7 +69,7 @@ union qemu_plugin_cb_sig {
enum plugin_dyn_cb_type {
PLUGIN_CB_REGULAR,
PLUGIN_CB_MEM_REGULAR,
- PLUGIN_CB_INLINE,
+ PLUGIN_CB_INLINE_ADD_U64,
};
/*
diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
index 49f5d1c2e4..4069d51daf 100644
--- a/accel/tcg/plugin-gen.c
+++ b/accel/tcg/plugin-gen.c
@@ -113,7 +113,7 @@ static void gen_udata_cb(struct qemu_plugin_dyn_cb *cb)
tcg_temp_free_i32(cpu_index);
}
-static void gen_inline_cb(struct qemu_plugin_dyn_cb *cb)
+static void gen_inline_add_u64_cb(struct qemu_plugin_dyn_cb *cb)
{
GArray *arr = cb->inline_insn.entry.score->data;
size_t offset = cb->inline_insn.entry.offset;
@@ -158,8 +158,8 @@ static void inject_cb(struct qemu_plugin_dyn_cb *cb)
case PLUGIN_CB_REGULAR:
gen_udata_cb(cb);
break;
- case PLUGIN_CB_INLINE:
- gen_inline_cb(cb);
+ case PLUGIN_CB_INLINE_ADD_U64:
+ gen_inline_add_u64_cb(cb);
break;
default:
g_assert_not_reached();
diff --git a/plugins/core.c b/plugins/core.c
index 1e58a57bf1..59771eda8f 100644
--- a/plugins/core.c
+++ b/plugins/core.c
@@ -316,6 +316,16 @@ static struct qemu_plugin_dyn_cb *plugin_get_dyn_cb(GArray
**arr)
return &g_array_index(cbs, struct qemu_plugin_dyn_cb, cbs->len - 1);
}
+static enum plugin_dyn_cb_type op_to_cb_type(enum qemu_plugin_op op)
+{
+ switch (op) {
+ case QEMU_PLUGIN_INLINE_ADD_U64:
+ return PLUGIN_CB_INLINE_ADD_U64;
+ default:
+ g_assert_not_reached();
+ }
+}
+
void plugin_register_inline_op_on_entry(GArray **arr,
enum qemu_plugin_mem_rw rw,
enum qemu_plugin_op op,
@@ -326,7 +336,7 @@ void plugin_register_inline_op_on_entry(GArray **arr,
dyn_cb = plugin_get_dyn_cb(arr);
dyn_cb->userp = NULL;
- dyn_cb->type = PLUGIN_CB_INLINE;
+ dyn_cb->type = op_to_cb_type(op);
dyn_cb->rw = rw;
dyn_cb->inline_insn.entry = entry;
dyn_cb->inline_insn.op = op;
@@ -551,7 +561,7 @@ void qemu_plugin_vcpu_mem_cb(CPUState *cpu, uint64_t vaddr,
cb->regular.f.vcpu_mem(cpu->cpu_index, make_plugin_meminfo(oi, rw),
vaddr, cb->userp);
break;
- case PLUGIN_CB_INLINE:
+ case PLUGIN_CB_INLINE_ADD_U64:
exec_inline_op(cb, cpu->cpu_index);
break;
default:
--
2.39.2
- [PATCH 07/11] plugins: conditional callbacks, (continued)
- [PATCH 07/11] plugins: conditional callbacks, Alex Bennée, 2024/05/14
- [PATCH 05/11] plugins: add new inline op STORE_U64, Alex Bennée, 2024/05/14
- [PATCH 10/11] plugins: extract cpu_index generate, Alex Bennée, 2024/05/14
- [PATCH 02/11] scripts/update-linux-header.sh: be more src tree friendly, Alex Bennée, 2024/05/14
- [PATCH 08/11] tests/plugin/inline: add test for conditional callback, Alex Bennée, 2024/05/14
- [PATCH 04/11] plugins: extract generate ptr for qemu_plugin_u64, Alex Bennée, 2024/05/14
- [PATCH 03/11] plugins: prepare introduction of new inline ops,
Alex Bennée <=
- [PATCH 06/11] tests/plugin/inline: add test for STORE_U64 inline op, Alex Bennée, 2024/05/14
- [PATCH 09/11] plugins: distinct types for callbacks, Alex Bennée, 2024/05/14
- Re: [PATCH 00/11] maintainer updates (plugins, testing) pre-PR, Michael S. Tsirkin, 2024/05/15