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plugins: prepare introduction of new inline ops 

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>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240514174253.694591-4-alex.bennee@linaro.org>
This commit is contained in:
Pierrick Bouvier 2024-05-14 18:42:45 +01:00 committed by Alex Bennée
parent b51ddd937f
commit 21032784e5
3 changed files with 16 additions and 6 deletions
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6
accel/tcg/plugin-gen.c
View File

@ -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();

2
include/qemu/plugin.h
View File

@ -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,
};
/*

14
plugins/core.c
View File

@ -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: