#include "unwind.h" #include "thread.h" #include "session.h" #include "debug.h" #include "arch/common.h" struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops; struct unwind_libunwind_ops __weak *x86_32_unwind_libunwind_ops; struct unwind_libunwind_ops __weak *arm64_unwind_libunwind_ops; static void unwind__register_ops(struct thread *thread, struct unwind_libunwind_ops *ops) { thread->unwind_libunwind_ops = ops; } int unwind__prepare_access(struct thread *thread, struct map *map, bool *initialized) { const char *arch; enum dso_type dso_type; struct unwind_libunwind_ops *ops = local_unwind_libunwind_ops; int err; if (thread->addr_space) { pr_debug("unwind: thread map already set, dso=%s\n", map->dso->name); if (initialized) *initialized = true; return 0; } /* env->arch is NULL for live-mode (i.e. perf top) */ if (!thread->mg->machine->env || !thread->mg->machine->env->arch) goto out_register; dso_type = dso__type(map->dso, thread->mg->machine); if (dso_type == DSO__TYPE_UNKNOWN) return 0; arch = normalize_arch(thread->mg->machine->env->arch); if (!strcmp(arch, "x86")) { if (dso_type != DSO__TYPE_64BIT) ops = x86_32_unwind_libunwind_ops; } else if (!strcmp(arch, "arm64") || !strcmp(arch, "arm")) { if (dso_type == DSO__TYPE_64BIT) ops = arm64_unwind_libunwind_ops; } if (!ops) { pr_err("unwind: target platform=%s is not supported\n", arch); return -1; } out_register: unwind__register_ops(thread, ops); err = thread->unwind_libunwind_ops->prepare_access(thread); if (initialized) *initialized = err ? false : true; return err; } void unwind__flush_access(struct thread *thread) { if (thread->unwind_libunwind_ops) thread->unwind_libunwind_ops->flush_access(thread); } void unwind__finish_access(struct thread *thread) { if (thread->unwind_libunwind_ops) thread->unwind_libunwind_ops->finish_access(thread); } int unwind__get_entries(unwind_entry_cb_t cb, void *arg, struct thread *thread, struct perf_sample *data, int max_stack) { if (thread->unwind_libunwind_ops) return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack); return 0; } /net-next.git/diff/net/irda/irias_object.c?h=nds-private-remove&id=10435c1192d06bdb0bac7666452d8219d7e7c477'>diff
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authorFeng <fgao@ikuai8.com>2017-01-20 21:40:43 +0800
committerPablo Neira Ayuso <pablo@netfilter.org>2017-02-02 14:30:19 +0100
commit10435c1192d06bdb0bac7666452d8219d7e7c477 (patch)
tree93b76419142fe17b1d162d062c663297a3e8a965 /net/irda/irias_object.c
parent1a28ad74ebd8f9d3c7eae0d781f72a6d30545e17 (diff)
netfilter: nf_tables: Eliminate duplicated code in nf_tables_table_enable()
If something fails in nf_tables_table_enable(), it unregisters the chains. But the rollback code is the same as nf_tables_table_disable() almostly, except there is one counter check. Now create one wrapper function to eliminate the duplicated codes. Signed-off-by: Feng <fgao@ikuai8.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/irda/irias_object.c')