bhyve gcc9 fixes

gistfile1.txt

diff --git a/usr/src/uts/i86pc/io/vmm/amd/svm.c b/usr/src/uts/i86pc/io/vmm/amd/svm.c
index 4c5e3112c0..5a2653ff08 100644
--- a/usr/src/uts/i86pc/io/vmm/amd/svm.c
+++ b/usr/src/uts/i86pc/io/vmm/amd/svm.c
@@ -1513,11 +1513,14 @@ svm_vmexit(struct svm_softc *svm_sc, int vcpu, struct vm_exit *vmexit)
                break;
        case VMCB_EXIT_CPUID:
                vmm_stat_incr(svm_sc->vm, vcpu, VMEXIT_CPUID, 1);
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
                handled = x86_emulate_cpuid(svm_sc->vm, vcpu,
                    (uint32_t *)&state->rax,
                    (uint32_t *)&ctx->sctx_rbx,
                    (uint32_t *)&ctx->sctx_rcx,
                    (uint32_t *)&ctx->sctx_rdx);
+#pragma GCC diagnostic pop
                break;
        case VMCB_EXIT_HLT:
                vmm_stat_incr(svm_sc->vm, vcpu, VMEXIT_HLT, 1);


diff --git a/usr/src/cmd/mdb/intel/mdb/mdb_bhyve.c b/usr/src/cmd/mdb/intel/mdb/mdb_bhyve.c
index 9477bf5056..fa098c106e 100644
--- a/usr/src/cmd/mdb/intel/mdb/mdb_bhyve.c
+++ b/usr/src/cmd/mdb/intel/mdb/mdb_bhyve.c
@@ -1370,15 +1370,15 @@ bhyve_putareg(mdb_tgt_t *tgt, mdb_tgt_tid_t tid, const char *rname,
 
 static const mdb_tgt_ops_t bhyve_ops = {
        .t_setflags =           bhyve_setflags,
-       .t_setcontext =         (int (*)()) mdb_tgt_notsup,
+       .t_setcontext =         (void *)mdb_tgt_notsup,
        .t_activate =           bhyve_activate,
        .t_deactivate =         bhyve_deactivate,
-       .t_periodic =           (void (*)()) mdb_tgt_nop,
+       .t_periodic =           (void *)mdb_tgt_nop,
        .t_destroy =            bhyve_destroy,
        .t_name =               bhyve_name,
        .t_isa =                bhyve_isa,
-       .t_platform =           (const char *(*)()) mdb_conf_platform,
-       .t_uname =              (int (*)()) mdb_tgt_notsup,
+       .t_platform =           (void *)mdb_conf_platform,
+       .t_uname =              (void *)mdb_tgt_notsup,
        .t_dmodel =             bhyve_dmodel,
        .t_aread =              bhyve_aread,
        .t_awrite =             bhyve_awrite,
@@ -1391,35 +1391,35 @@ static const mdb_tgt_ops_t bhyve_ops = {
        .t_ioread =             bhyve_ioread,
        .t_iowrite =            bhyve_iowrite,
        .t_vtop =               bhyve_vtop,
-       .t_lookup_by_name =     (int (*)()) mdb_tgt_notsup,
-       .t_lookup_by_addr =     (int (*)()) mdb_tgt_notsup,
-       .t_symbol_iter =        (int (*)()) mdb_tgt_notsup,
-       .t_mapping_iter =       (int (*)()) mdb_tgt_notsup,
-       .t_object_iter =        (int (*)()) mdb_tgt_notsup,
+       .t_lookup_by_name =     (void *)mdb_tgt_notsup,
+       .t_lookup_by_addr =     (void *)mdb_tgt_notsup,
+       .t_symbol_iter =        (void *)mdb_tgt_notsup,
+       .t_mapping_iter =       (void *)mdb_tgt_notsup,
+       .t_object_iter =        (void *)mdb_tgt_notsup,
        .t_addr_to_map =        (const mdb_map_t *(*)()) mdb_tgt_null,
        .t_name_to_map =        (const mdb_map_t *(*)()) mdb_tgt_null,
        .t_addr_to_ctf =        (struct ctf_file *(*)()) mdb_tgt_null,
        .t_name_to_ctf =        (struct ctf_file *(*)()) mdb_tgt_null,
        .t_status =             bhyve_status,
-       .t_run =                (int (*)()) mdb_tgt_notsup,
+       .t_run =                (void *)mdb_tgt_notsup,
        .t_step =               bhyve_step,
-       .t_step_out =           (int (*)()) mdb_tgt_notsup,
-       .t_next =               (int (*)()) mdb_tgt_notsup,
+       .t_step_out =           (void *)mdb_tgt_notsup,
+       .t_next =               (void *)mdb_tgt_notsup,
        .t_cont =               bhyve_cont,
-       .t_signal =             (int (*)()) mdb_tgt_notsup,
-       .t_add_vbrkpt =         (int (*)()) mdb_tgt_null,
-       .t_add_sbrkpt =         (int (*)()) mdb_tgt_null,
-       .t_add_pwapt =          (int (*)()) mdb_tgt_null,
-       .t_add_vwapt =          (int (*)()) mdb_tgt_null,
-       .t_add_iowapt =         (int (*)()) mdb_tgt_null,
-       .t_add_sysenter =       (int (*)()) mdb_tgt_null,
-       .t_add_sysexit =        (int (*)()) mdb_tgt_null,
-       .t_add_signal =         (int (*)()) mdb_tgt_null,
-       .t_add_fault =          (int (*)()) mdb_tgt_null,
+       .t_signal =             (void *)mdb_tgt_notsup,
+       .t_add_vbrkpt =         (void *)mdb_tgt_null,
+       .t_add_sbrkpt =         (void *)mdb_tgt_null,
+       .t_add_pwapt =          (void *)mdb_tgt_null,
+       .t_add_vwapt =          (void *)mdb_tgt_null,
+       .t_add_iowapt =         (void *)mdb_tgt_null,
+       .t_add_sysenter =       (void *)mdb_tgt_null,
+       .t_add_sysexit =        (void *)mdb_tgt_null,
+       .t_add_signal =         (void *)mdb_tgt_null,
+       .t_add_fault =          (void *)mdb_tgt_null,
        .t_getareg =            bhyve_getareg,
        .t_putareg =            bhyve_putareg,
-       .t_stack_iter =         (int (*)()) mdb_tgt_notsup,
-       .t_auxv =               (int (*)()) mdb_tgt_notsup
+       .t_stack_iter =         (void *)mdb_tgt_notsup,
+       .t_auxv =               (void *)mdb_tgt_notsup
 };
 
 int