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[Qemu-devel] [PATCH v3 26/50] target/arm: call qemu_plugin_insn_append


From: Alex Bennée
Subject: [Qemu-devel] [PATCH v3 26/50] target/arm: call qemu_plugin_insn_append
Date: Fri, 14 Jun 2019 18:11:36 +0100

From: "Emilio G. Cota" <address@hidden>

I considered using translator_ld* from arm_ldl_code
et al. However, note that there's a helper that also calls
arm_ldl_code, so we'd have to change that caller.

In thumb's case I'm also calling plugin_insn_append directly,
since we can't assume that all instructions are 16 bits long.

Signed-off-by: Emilio G. Cota <address@hidden>
---
 target/arm/translate-a64.c | 2 ++
 target/arm/translate.c     | 8 +++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index ae739f6575..25dd34a745 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -39,6 +39,7 @@
 #include "trace-tcg.h"
 #include "translate-a64.h"
 #include "qemu/atomic128.h"
+#include "qemu/plugin.h"
 
 static TCGv_i64 cpu_X[32];
 static TCGv_i64 cpu_pc;
@@ -14205,6 +14206,7 @@ static void disas_a64_insn(CPUARMState *env, 
DisasContext *s)
     uint32_t insn;
 
     insn = arm_ldl_code(env, s->pc, s->sctlr_b);
+    plugin_insn_append(&insn, sizeof(insn));
     s->insn = insn;
     s->pc += 4;
 
diff --git a/target/arm/translate.c b/target/arm/translate.c
index c274c8b460..d049844b4a 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -12122,6 +12122,7 @@ static void arm_tr_translate_insn(DisasContextBase 
*dcbase, CPUState *cpu)
     }
 
     insn = arm_ldl_code(env, dc->pc, dc->sctlr_b);
+    plugin_insn_append(&insn, sizeof(insn));
     dc->insn = insn;
     dc->pc += 4;
     disas_arm_insn(dc, insn);
@@ -12192,11 +12193,16 @@ static void thumb_tr_translate_insn(DisasContextBase 
*dcbase, CPUState *cpu)
     insn = arm_lduw_code(env, dc->pc, dc->sctlr_b);
     is_16bit = thumb_insn_is_16bit(dc, insn);
     dc->pc += 2;
-    if (!is_16bit) {
+    if (is_16bit) {
+        uint16_t insn16 = insn;
+
+        plugin_insn_append(&insn16, sizeof(insn16));
+    } else {
         uint32_t insn2 = arm_lduw_code(env, dc->pc, dc->sctlr_b);
 
         insn = insn << 16 | insn2;
         dc->pc += 2;
+        plugin_insn_append(&insn, sizeof(insn));
     }
     dc->insn = insn;
 
-- 
2.20.1




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