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gdbstub: move update guest debug to accel ops

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Continuing the refactor of a48e7d9e52 (gdbstub: move guest debug support
check to ops) by removing hardcoded kvm_enabled() from generic cpu.c
code, and replace it with a property of AccelOpsClass.

Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230207131721.49233-1-mads@ynddal.dk>
[AJB: add ifdef around update_guest_debug_ops, fix brace]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-27-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-30-richard.henderson@linaro.org>
This commit is contained in:
Mads Ynddal 2023-03-02 18:58:05 -08:00 committed by Alex Bennée
parent 2d3d2517cc
commit 412ae12647
3 changed files with 17 additions and 3 deletions
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8
accel/kvm/kvm-accel-ops.c
View File

@ -86,6 +86,13 @@ static bool kvm_cpus_are_resettable(void)
return !kvm_enabled() || kvm_cpu_check_are_resettable();
}
#ifdef KVM_CAP_SET_GUEST_DEBUG
static int kvm_update_guest_debug_ops(CPUState *cpu)
{
return kvm_update_guest_debug(cpu, 0);
}
#endif
static void kvm_accel_ops_class_init(ObjectClass *oc, void *data)
{
AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
@ -99,6 +106,7 @@ static void kvm_accel_ops_class_init(ObjectClass *oc, void *data)
ops->synchronize_pre_loadvm = kvm_cpu_synchronize_pre_loadvm;
#ifdef KVM_CAP_SET_GUEST_DEBUG
ops->update_guest_debug = kvm_update_guest_debug_ops;
ops->supports_guest_debug = kvm_supports_guest_debug;
ops->insert_breakpoint = kvm_insert_breakpoint;
ops->remove_breakpoint = kvm_remove_breakpoint;

11
cpu.c
View File

@ -31,8 +31,8 @@
#include "hw/core/sysemu-cpu-ops.h"
#include "exec/address-spaces.h"
#endif
#include "sysemu/cpus.h"
#include "sysemu/tcg.h"
#include "sysemu/kvm.h"
#include "exec/replay-core.h"
#include "exec/cpu-common.h"
#include "exec/exec-all.h"
@ -326,9 +326,14 @@ void cpu_single_step(CPUState *cpu, int enabled)
{
if (cpu->singlestep_enabled != enabled) {
cpu->singlestep_enabled = enabled;
if (kvm_enabled()) {
kvm_update_guest_debug(cpu, 0);
#if !defined(CONFIG_USER_ONLY)
const AccelOpsClass *ops = cpus_get_accel();
if (ops->update_guest_debug) {
ops->update_guest_debug(cpu);
}
#endif
trace_breakpoint_singlestep(cpu->cpu_index, enabled);
}
}

1
include/sysemu/accel-ops.h
View File

@ -48,6 +48,7 @@ struct AccelOpsClass {
/* gdbstub hooks */
bool (*supports_guest_debug)(void);
int (*update_guest_debug)(CPUState *cpu);
int (*insert_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len);
int (*remove_breakpoint)(CPUState *cpu, int type, vaddr addr, vaddr len);
void (*remove_all_breakpoints)(CPUState *cpu);