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-rw-r--r--target/arm/translate.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 87fd702..f28c4ca 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -309,6 +309,17 @@ static void gen_singlestep_exception(DisasContext *s)
}
}
+static inline bool is_singlestepping(DisasContext *s)
+{
+ /* Return true if we are singlestepping either because of
+ * architectural singlestep or QEMU gdbstub singlestep. This does
+ * not include the command line '-singlestep' mode which is rather
+ * misnamed as it only means "one instruction per TB" and doesn't
+ * affect the code we generate.
+ */
+ return s->singlestep_enabled || s->ss_active;
+}
+
static void gen_smul_dual(TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 tmp1 = tcg_temp_new_i32();
@@ -4104,7 +4115,7 @@ static inline void gen_goto_tb(DisasContext *s, int n, target_ulong dest)
static inline void gen_jmp (DisasContext *s, uint32_t dest)
{
- if (unlikely(s->singlestep_enabled || s->ss_active)) {
+ if (unlikely(is_singlestepping(s))) {
/* An indirect jump so that we still trigger the debug exception. */
if (s->thumb)
dest |= 1;
@@ -11970,9 +11981,8 @@ void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb)
((dc->pc >= next_page_start - 3) && insn_crosses_page(env, dc));
} while (!dc->is_jmp && !tcg_op_buf_full() &&
- !cs->singlestep_enabled &&
+ !is_singlestepping(dc) &&
!singlestep &&
- !dc->ss_active &&
!end_of_page &&
num_insns < max_insns);
@@ -11989,7 +11999,7 @@ void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb)
instruction was a conditional branch or trap, and the PC has
already been written. */
gen_set_condexec(dc);
- if (unlikely(cs->singlestep_enabled || dc->ss_active)) {
+ if (unlikely(is_singlestepping(dc))) {
/* Unconditional and "condition passed" instruction codepath. */
switch (dc->is_jmp) {
case DISAS_SWI:
@@ -12067,7 +12077,7 @@ void gen_intermediate_code(CPUARMState *env, TranslationBlock *tb)
/* "Condition failed" instruction codepath for the branch/trap insn */
gen_set_label(dc->condlabel);
gen_set_condexec(dc);
- if (unlikely(cs->singlestep_enabled || dc->ss_active)) {
+ if (unlikely(is_singlestepping(dc))) {
gen_set_pc_im(dc, dc->pc);
gen_singlestep_exception(dc);
} else {