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plugins: add inline operation per vcpu

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Extends API with three new functions:
qemu_plugin_register_vcpu_{tb, insn, mem}_exec_inline_per_vcpu().

Those functions takes a qemu_plugin_u64 as input.

This allows to have a thread-safe and type-safe version of inline
operations.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240304130036.124418-5-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-18-alex.bennee@linaro.org>
This commit is contained in:
Pierrick Bouvier 2024-03-05 12:09:53 +00:00 • committed by Alex Bennée
parent 62f92b8d97
commit 0bcebaba45
7 changed files with 126 additions and 2 deletions
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7
accel/tcg/plugin-gen.c
View file

@ -443,6 +443,13 @@ static TCGOp *append_inline_cb(const struct qemu_plugin_dyn_cb *cb,
char *ptr = cb->userp;
size_t elem_size = 0;
size_t offset = 0;
if (!ptr) {
/* use inline entry */
ptr = cb->inline_insn.entry.score->data->data;
elem_size = g_array_get_element_size(cb->inline_insn.entry.score->data);
offset = cb->inline_insn.entry.offset;
}
op = copy_ld_i32(&begin_op, op);
op = copy_mul_i32(&begin_op, op, elem_size);
op = copy_ext_i32_ptr(&begin_op, op);