[PULL 14/34] plugins: Use DisasContextBase for qemu_plugin_tb_vaddr

Richard Henderson posted 34 patches 6 months, 2 weeks ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Pierrick Bouvier <pierrick.bouvier@linaro.org>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Brian Cain <bcain@quicinc.com>, Eduardo Habkost <eduardo@habkost.net>, Song Gao <gaosong@loongson.cn>, Laurent Vivier <laurent@vivier.eu>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <arikalo@gmail.com>, Stafford Horne <shorne@gmail.com>, Nicholas Piggin <npiggin@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bmeng.cn@gmail.com>, Weiwei Li <liwei1518@gmail.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>, WANG Xuerui <git@xen0n.name>
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[PULL 14/34] plugins: Use DisasContextBase for qemu_plugin_tb_vaddr
Posted by Richard Henderson 6 months, 2 weeks ago
We do not need to separately record the start of the TB.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/qemu/plugin.h  | 1 -
 accel/tcg/plugin-gen.c | 3 +--
 plugins/api.c          | 3 ++-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/include/qemu/plugin.h b/include/qemu/plugin.h
index da0f37e269..7fda6ef126 100644
--- a/include/qemu/plugin.h
+++ b/include/qemu/plugin.h
@@ -118,7 +118,6 @@ struct qemu_plugin_scoreboard {
 struct qemu_plugin_tb {
     GPtrArray *insns;
     size_t n;
-    uint64_t vaddr;
 
     /* if set, the TB calls helpers that might access guest memory */
     bool mem_helper;
diff --git a/accel/tcg/plugin-gen.c b/accel/tcg/plugin-gen.c
index c36632e8df..b54494712a 100644
--- a/accel/tcg/plugin-gen.c
+++ b/accel/tcg/plugin-gen.c
@@ -188,7 +188,7 @@ static void plugin_gen_inject(struct qemu_plugin_tb *plugin_tb)
     int insn_idx = -1;
 
     if (unlikely(qemu_loglevel_mask(LOG_TB_OP_PLUGIN)
-                 && qemu_log_in_addr_range(plugin_tb->vaddr))) {
+                 && qemu_log_in_addr_range(tcg_ctx->plugin_db->pc_first))) {
         FILE *logfile = qemu_log_trylock();
         if (logfile) {
             fprintf(logfile, "OP before plugin injection:\n");
@@ -318,7 +318,6 @@ bool plugin_gen_tb_start(CPUState *cpu, const DisasContextBase *db)
 
         ret = true;
 
-        ptb->vaddr = db->pc_first;
         ptb->mem_helper = false;
 
         tcg_gen_plugin_cb(PLUGIN_GEN_FROM_TB);
diff --git a/plugins/api.c b/plugins/api.c
index 0ae19774df..02014d4c6e 100644
--- a/plugins/api.c
+++ b/plugins/api.c
@@ -200,7 +200,8 @@ size_t qemu_plugin_tb_n_insns(const struct qemu_plugin_tb *tb)
 
 uint64_t qemu_plugin_tb_vaddr(const struct qemu_plugin_tb *tb)
 {
-    return tb->vaddr;
+    const DisasContextBase *db = tcg_ctx->plugin_db;
+    return db->pc_first;
 }
 
 struct qemu_plugin_insn *
-- 
2.34.1