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authorAlex Bennée <alex.bennee@linaro.org>2022-09-29 12:42:25 +0100
committerAlex Bennée <alex.bennee@linaro.org>2022-10-06 11:53:41 +0100
commita48e7d9e52f8fe8b47f4c74f3e99d9d677b87fe5 (patch)
tree0cd888467fa5a777b02d75ee831895d2473b5e31 /gdbstub
parentae7467b1ac49e10c548099e9f9c59af895af2d3f (diff)
gdbstub: move guest debug support check to ops
This removes the final hard coding of kvm_enabled() in gdbstub and moves the check to an AccelOps. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Mads Ynddal <mads@ynddal.dk> Message-Id: <20220929114231.583801-46-alex.bennee@linaro.org>
Diffstat (limited to 'gdbstub')
-rw-r--r--gdbstub/gdbstub.c5
-rw-r--r--gdbstub/internals.h1
-rw-r--r--gdbstub/softmmu.c9
-rw-r--r--gdbstub/user.c6
4 files changed, 18 insertions, 3 deletions
diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c
index ff9f3f9586..be88ca0d71 100644
--- a/gdbstub/gdbstub.c
+++ b/gdbstub/gdbstub.c
@@ -45,7 +45,6 @@
#include "qemu/sockets.h"
#include "sysemu/hw_accel.h"
-#include "sysemu/kvm.h"
#include "sysemu/runstate.h"
#include "semihosting/semihost.h"
#include "exec/exec-all.h"
@@ -3447,8 +3446,8 @@ int gdbserver_start(const char *device)
return -1;
}
- if (kvm_enabled() && !kvm_supports_guest_debug()) {
- error_report("gdbstub: KVM doesn't support guest debugging");
+ if (!gdb_supports_guest_debug()) {
+ error_report("gdbstub: current accelerator doesn't support guest debugging");
return -1;
}
diff --git a/gdbstub/internals.h b/gdbstub/internals.h
index 41e2e72dbf..eabb0341d1 100644
--- a/gdbstub/internals.h
+++ b/gdbstub/internals.h
@@ -9,6 +9,7 @@
#ifndef _INTERNALS_H_
#define _INTERNALS_H_
+bool gdb_supports_guest_debug(void);
int gdb_breakpoint_insert(CPUState *cs, int type, hwaddr addr, hwaddr len);
int gdb_breakpoint_remove(CPUState *cs, int type, hwaddr addr, hwaddr len);
void gdb_breakpoint_remove_all(CPUState *cs);
diff --git a/gdbstub/softmmu.c b/gdbstub/softmmu.c
index 4e73890379..f208c6cf15 100644
--- a/gdbstub/softmmu.c
+++ b/gdbstub/softmmu.c
@@ -15,6 +15,15 @@
#include "sysemu/cpus.h"
#include "internals.h"
+bool gdb_supports_guest_debug(void)
+{
+ const AccelOpsClass *ops = cpus_get_accel();
+ if (ops->supports_guest_debug) {
+ return ops->supports_guest_debug();
+ }
+ return false;
+}
+
int gdb_breakpoint_insert(CPUState *cs, int type, hwaddr addr, hwaddr len)
{
const AccelOpsClass *ops = cpus_get_accel();
diff --git a/gdbstub/user.c b/gdbstub/user.c
index 42652b28a7..033e5fdd71 100644
--- a/gdbstub/user.c
+++ b/gdbstub/user.c
@@ -14,6 +14,12 @@
#include "hw/core/cpu.h"
#include "internals.h"
+bool gdb_supports_guest_debug(void)
+{
+ /* user-mode == TCG == supported */
+ return true;
+}
+
int gdb_breakpoint_insert(CPUState *cs, int type, hwaddr addr, hwaddr len)
{
CPUState *cpu;