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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PATCH v2 09/23] target/i386: Drop check for singlestep_enabled
Date: Tue, 12 Oct 2021 09:21:45 -0700	[thread overview]
Message-ID: <20211012162159.471406-10-richard.henderson@linaro.org> (raw)
In-Reply-To: <20211012162159.471406-1-richard.henderson@linaro.org>

GDB single-stepping is now handled generically.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/i386/helper.h          | 1 -
 target/i386/tcg/misc_helper.c | 8 --------
 target/i386/tcg/translate.c   | 4 +---
 3 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/target/i386/helper.h b/target/i386/helper.h
index 574ff75615..ac3b4d1ee3 100644
--- a/target/i386/helper.h
+++ b/target/i386/helper.h
@@ -56,7 +56,6 @@ DEF_HELPER_2(syscall, void, env, int)
 DEF_HELPER_2(sysret, void, env, int)
 #endif
 DEF_HELPER_FLAGS_2(pause, TCG_CALL_NO_WG, noreturn, env, int)
-DEF_HELPER_FLAGS_1(debug, TCG_CALL_NO_WG, noreturn, env)
 DEF_HELPER_1(reset_rf, void, env)
 DEF_HELPER_FLAGS_3(raise_interrupt, TCG_CALL_NO_WG, noreturn, env, int, int)
 DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, noreturn, env, int)
diff --git a/target/i386/tcg/misc_helper.c b/target/i386/tcg/misc_helper.c
index baffa5d7ba..5769db5ace 100644
--- a/target/i386/tcg/misc_helper.c
+++ b/target/i386/tcg/misc_helper.c
@@ -110,14 +110,6 @@ void QEMU_NORETURN helper_pause(CPUX86State *env, int next_eip_addend)
     do_pause(env);
 }
 
-void QEMU_NORETURN helper_debug(CPUX86State *env)
-{
-    CPUState *cs = env_cpu(env);
-
-    cs->exception_index = EXCP_DEBUG;
-    cpu_loop_exit(cs);
-}
-
 uint64_t helper_rdpkru(CPUX86State *env, uint32_t ecx)
 {
     if ((env->cr[4] & CR4_PKE_MASK) == 0) {
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index c8d919bc3f..e9e1451540 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -2660,9 +2660,7 @@ do_gen_eob_worker(DisasContext *s, bool inhibit, bool recheck_tf, bool jr)
     if (s->base.tb->flags & HF_RF_MASK) {
         gen_helper_reset_rf(cpu_env);
     }
-    if (s->base.singlestep_enabled) {
-        gen_helper_debug(cpu_env);
-    } else if (recheck_tf) {
+    if (recheck_tf) {
         gen_helper_rechecking_single_step(cpu_env);
         tcg_gen_exit_tb(NULL, 0);
     } else if (s->flags & HF_TF_MASK) {
-- 
2.25.1



  parent reply	other threads:[~2021-10-12 16:29 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-12 16:21 [PATCH v2 00/23] tcg: singlestep reorg Richard Henderson
2021-10-12 16:21 ` [PATCH v2 01/23] accel/tcg: Handle gdb singlestep in cpu_tb_exec Richard Henderson
2021-10-12 16:21 ` [PATCH v2 02/23] target/alpha: Drop checks for singlestep_enabled Richard Henderson
2021-10-12 22:32   ` Philippe Mathieu-Daudé
2021-10-12 16:21 ` [PATCH v2 03/23] target/avr: " Richard Henderson
2021-10-12 16:21 ` [PATCH v2 04/23] target/cris: " Richard Henderson
2021-10-12 16:21 ` [PATCH v2 05/23] target/hexagon: " Richard Henderson
2021-10-12 22:30   ` Philippe Mathieu-Daudé
2021-10-12 16:21 ` [PATCH v2 06/23] target/arm: " Richard Henderson
2021-10-12 16:21 ` [PATCH v2 07/23] target/hppa: " Richard Henderson
2021-10-12 16:21 ` [PATCH v2 08/23] target/i386: Check CF_NO_GOTO_TB for dc->jmp_opt Richard Henderson
2021-10-12 16:21 ` Richard Henderson [this message]
2021-10-12 16:21 ` [PATCH v2 10/23] target/m68k: Drop checks for singlestep_enabled Richard Henderson
2021-10-12 16:21 ` [PATCH v2 11/23] target/microblaze: Check CF_NO_GOTO_TB for DISAS_JUMP Richard Henderson
2021-10-12 16:21 ` [PATCH v2 12/23] target/microblaze: Drop checks for singlestep_enabled Richard Henderson
2021-10-12 16:21 ` [PATCH v2 13/23] target/mips: Fix single stepping Richard Henderson
2021-10-12 22:26   ` Philippe Mathieu-Daudé
2021-10-12 16:21 ` [PATCH v2 14/23] target/mips: Drop exit checks for singlestep_enabled Richard Henderson
2021-10-12 16:21 ` [PATCH v2 15/23] target/openrisc: Drop " Richard Henderson
2021-10-12 22:32   ` Philippe Mathieu-Daudé
2021-10-12 16:21 ` [PATCH v2 16/23] target/ppc: Drop exit " Richard Henderson
2021-10-12 16:21 ` [PATCH v2 17/23] target/riscv: Remove dead code after exception Richard Henderson
2021-10-12 21:35   ` Alistair Francis
2021-10-12 16:21 ` [PATCH v2 18/23] target/riscv: Remove exit_tb and lookup_and_goto_ptr Richard Henderson
2021-10-12 21:34   ` Alistair Francis
2021-10-12 16:21 ` [PATCH v2 19/23] target/rx: Drop checks for singlestep_enabled Richard Henderson
2021-10-12 22:28   ` Philippe Mathieu-Daudé
2021-10-12 16:21 ` [PATCH v2 20/23] target/s390x: Drop check " Richard Henderson
2021-10-12 16:21 ` [PATCH v2 21/23] target/sh4: " Richard Henderson
2021-10-12 16:21 ` [PATCH v2 22/23] target/tricore: " Richard Henderson
2021-10-12 22:29   ` Philippe Mathieu-Daudé
2021-10-12 16:21 ` [PATCH v2 23/23] target/xtensa: " Richard Henderson

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