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gdbstub: move breakpoint logic to accel ops

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As HW virtualization requires specific support to handle breakpoints
lets push out special casing out of the core gdbstub code and into
AccelOpsClass. This will make it easier to add other accelerator
support and reduces some of the stub shenanigans.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20220929114231.583801-45-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2022-09-29 12:42:24 +01:00
parent 3b7a93880a
commit ae7467b1ac
14 changed files with 259 additions and 160 deletions
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24
accel/kvm/kvm-all.c
View file

@ -3287,8 +3287,7 @@ int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
return data.err;
}
int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
target_ulong len, int type)
int kvm_insert_breakpoint(CPUState *cpu, int type, hwaddr addr, hwaddr len)
{
struct kvm_sw_breakpoint *bp;
int err;
@ -3326,8 +3325,7 @@ int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
return 0;
}
int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
target_ulong len, int type)
int kvm_remove_breakpoint(CPUState *cpu, int type, hwaddr addr, hwaddr len)
{
struct kvm_sw_breakpoint *bp;
int err;
@ -3393,26 +3391,10 @@ void kvm_remove_all_breakpoints(CPUState *cpu)
#else /* !KVM_CAP_SET_GUEST_DEBUG */
int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
static int kvm_update_guest_debug(CPUState *cpu, unsigned long reinject_trap)
{
return -EINVAL;
}
int kvm_insert_breakpoint(CPUState *cpu, target_ulong addr,
target_ulong len, int type)
{
return -EINVAL;
}
int kvm_remove_breakpoint(CPUState *cpu, target_ulong addr,
target_ulong len, int type)
{
return -EINVAL;
}
void kvm_remove_all_breakpoints(CPUState *cpu)
{
}
#endif /* !KVM_CAP_SET_GUEST_DEBUG */
static int kvm_set_signal_mask(CPUState *cpu, const sigset_t *sigset)