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[PATCH v4.5 17/29] gdbstub: specialise stub_can_reverse
From: |
Richard Henderson |
Subject: |
[PATCH v4.5 17/29] gdbstub: specialise stub_can_reverse |
Date: |
Thu, 2 Mar 2023 18:57:53 -0800 |
From: Alex Bennée <alex.bennee@linaro.org>
Currently we only support replay for softmmu mode so it is a constant
false for user-mode.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-18-alex.bennee@linaro.org>
---
gdbstub/internals.h | 1 +
gdbstub/gdbstub.c | 13 ++-----------
gdbstub/softmmu.c | 5 +++++
gdbstub/user.c | 5 +++++
4 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/gdbstub/internals.h b/gdbstub/internals.h
index 26a6468a69..be0eef4850 100644
--- a/gdbstub/internals.h
+++ b/gdbstub/internals.h
@@ -130,6 +130,7 @@ CPUState *gdb_first_attached_cpu(void);
void gdb_append_thread_id(CPUState *cpu, GString *buf);
int gdb_get_cpu_index(CPUState *cpu);
unsigned int gdb_get_max_cpus(void); /* both */
+bool gdb_can_reverse(void); /* softmmu, stub for user */
void gdb_create_default_process(GDBState *s);
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c
index 1b783100c2..7301466ff5 100644
--- a/gdbstub/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -113,15 +113,6 @@ int use_gdb_syscalls(void)
return gdb_syscall_mode == GDB_SYS_ENABLED;
}
-static bool stub_can_reverse(void)
-{
-#ifdef CONFIG_USER_ONLY
- return false;
-#else
- return replay_mode == REPLAY_MODE_PLAY;
-#endif
-}
-
/* writes 2*len+1 bytes in buf */
void gdb_memtohex(GString *buf, const uint8_t *mem, int len)
{
@@ -1308,7 +1299,7 @@ static void handle_step(GArray *params, void *user_ctx)
static void handle_backward(GArray *params, void *user_ctx)
{
- if (!stub_can_reverse()) {
+ if (!gdb_can_reverse()) {
gdb_put_packet("E22");
}
if (params->len == 1) {
@@ -1559,7 +1550,7 @@ static void handle_query_supported(GArray *params, void
*user_ctx)
g_string_append(gdbserver_state.str_buf, ";qXfer:features:read+");
}
- if (stub_can_reverse()) {
+ if (gdb_can_reverse()) {
g_string_append(gdbserver_state.str_buf,
";ReverseStep+;ReverseContinue+");
}
diff --git a/gdbstub/softmmu.c b/gdbstub/softmmu.c
index 3a5587d387..d2863d0663 100644
--- a/gdbstub/softmmu.c
+++ b/gdbstub/softmmu.c
@@ -450,6 +450,11 @@ unsigned int gdb_get_max_cpus(void)
return ms->smp.max_cpus;
}
+bool gdb_can_reverse(void)
+{
+ return replay_mode == REPLAY_MODE_PLAY;
+}
+
/*
* Softmmu specific command helpers
*/
diff --git a/gdbstub/user.c b/gdbstub/user.c
index e10988a62b..3f6183e66a 100644
--- a/gdbstub/user.c
+++ b/gdbstub/user.c
@@ -409,6 +409,11 @@ unsigned int gdb_get_max_cpus(void)
return max_cpus;
}
+/* replay not supported for user-mode */
+bool gdb_can_reverse(void)
+{
+ return false;
+}
/*
* Break/Watch point helpers
--
2.34.1
- [PATCH v4.5 10/29] gdbstub: move chunk of softmmu functionality to own file, (continued)
- [PATCH v4.5 10/29] gdbstub: move chunk of softmmu functionality to own file, Richard Henderson, 2023/03/02
- [PATCH v4.5 12/29] gdbstub: rationalise signal mapping in softmmu, Richard Henderson, 2023/03/02
- [PATCH v4.5 11/29] gdbstub: move chunks of user code into own files, Richard Henderson, 2023/03/02
- [PATCH v4.5 03/29] gdbstub: Make syscall_complete/[gs]et_reg target-agnostic typedefs, Richard Henderson, 2023/03/02
- [PATCH v4.5 04/29] gdbstub: clean-up indent on gdb_exit, Richard Henderson, 2023/03/02
- [PATCH v4.5 16/29] gdbstub: introduce gdb_get_max_cpus, Richard Henderson, 2023/03/02
- [PATCH v4.5 13/29] gdbstub: abstract target specific details from gdb_put_packet_binary, Richard Henderson, 2023/03/02
- [PATCH v4.5 14/29] gdbstub: specialise handle_query_attached, Richard Henderson, 2023/03/02
- [PATCH v4.5 15/29] gdbstub: specialise target_memory_rw_debug, Richard Henderson, 2023/03/02
- [PATCH v4.5 07/29] includes: move tb_flush into its own header, Richard Henderson, 2023/03/02
- [PATCH v4.5 17/29] gdbstub: specialise stub_can_reverse,
Richard Henderson <=
- [PATCH v4.5 19/29] gdbstub: don't use target_ulong while handling registers, Richard Henderson, 2023/03/02
- [PATCH v4.5 18/29] gdbstub: fix address type of gdb_set_cpu_pc, Richard Henderson, 2023/03/02
- [PATCH v4.5 20/29] gdbstub: move register helpers into standalone include, Richard Henderson, 2023/03/02
- [PATCH v4.5 22/29] gdbstub: only compile gdbstub twice for whole build, Richard Henderson, 2023/03/02
- [PATCH v4.5 21/29] gdbstub: move syscall handling to new file, Richard Henderson, 2023/03/02
- [PATCH v4.5 25/29] gdbstub: split out softmmu/user specifics for syscall handling, Richard Henderson, 2023/03/02
- [PATCH v4.5 27/29] gdbstub: Adjust gdb_do_syscall to only use uint32_t and uint64_t, Richard Henderson, 2023/03/02
- [PATCH v4.5 24/29] include: split target_long definition from cpu-defs, Richard Henderson, 2023/03/02
- [PATCH v4.5 23/29] testing: probe gdb for supported architectures ahead of time, Richard Henderson, 2023/03/02