diff options
| -rw-r--r-- | sys/net/vnet.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sys/net/vnet.c b/sys/net/vnet.c index fe8df65..323ed08 100644 --- a/sys/net/vnet.c +++ b/sys/net/vnet.c @@ -57,6 +57,7 @@ __FBSDID("$FreeBSD$"); #ifdef DDB #include <ddb/ddb.h> +#include <ddb/db_sym.h> #endif #include <net/if.h> @@ -219,6 +220,10 @@ SDT_PROBE_DEFINE2(vnet, functions, vnet_alloc, return, "int", "struct vnet *"); SDT_PROBE_DEFINE2(vnet, functions, vnet_destroy, entry, "int", "struct vnet *"); SDT_PROBE_DEFINE1(vnet, functions, vnet_destroy, return, "int"); +#ifdef DDB +static void db_show_vnet_print_vs(struct vnet_sysinit *, int); +#endif + /* * Allocate a virtual network stack. */ @@ -713,6 +718,64 @@ DB_SHOW_COMMAND(vnets, db_show_vnets) } } +static void +db_show_vnet_print_vs(struct vnet_sysinit *vs, int ddb) +{ + const char *vsname, *funcname; + c_db_sym_t sym; + db_expr_t offset; + +#define xprint(...) \ + if (ddb) \ + db_printf(__VA_ARGS__); \ + else \ + printf(__VA_ARGS__) + + if (vs == NULL) { + xprint("%s: no vnet_sysinit * given\n", __func__); + return; + } + + sym = db_search_symbol((vm_offset_t)vs, DB_STGY_ANY, &offset); + db_symbol_values(sym, &vsname, NULL); + sym = db_search_symbol((vm_offset_t)vs->func, DB_STGY_PROC, &offset); + db_symbol_values(sym, &funcname, NULL); + xprint("%s(%p)\n", (vsname != NULL) ? vsname : "", vs); + xprint(" 0x%08x 0x%08x\n", vs->subsystem, vs->order); + xprint(" %p(%s)(%p)\n", + vs->func, (funcname != NULL) ? funcname : "", vs->arg); +#undef xprint +} + +DB_SHOW_COMMAND(vnet_sysinit, db_show_vnet_sysinit) +{ + struct vnet_sysinit *vs; + + db_printf("VNET_SYSINIT vs Name(Ptr)\n"); + db_printf(" Subsystem Order\n"); + db_printf(" Function(Name)(Arg)\n"); + TAILQ_FOREACH(vs, &vnet_constructors, link) { + db_show_vnet_print_vs(vs, 1); + if (db_pager_quit) + break; + } +} + +DB_SHOW_COMMAND(vnet_sysuninit, db_show_vnet_sysuninit) +{ + struct vnet_sysinit *vs; + + db_printf("VNET_SYSUNINIT vs Name(Ptr)\n"); + db_printf(" Subsystem Order\n"); + db_printf(" Function(Name)(Arg)\n"); + TAILQ_FOREACH_REVERSE(vs, &vnet_destructors, vnet_sysuninit_head, + link) { + db_show_vnet_print_vs(vs, 1); + if (db_pager_quit) + break; + } +} + #ifdef VNET_DEBUG DB_SHOW_COMMAND(vnetrcrs, db_show_vnetrcrs) { |
