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symbol-resolver: check for kernel address context

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We only want to resolve a symbol if we're inside the kernel context.
Otherwise, it wont be accurate.
This commit is contained in:
Christian Hergert
2018-01-28 22:13:49 -08:00
parent df07f6d915
commit aa0506e26f
1 changed files with 10 additions and 6 deletions
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8
lib/symbols/sp-kernel-symbol-resolver.c
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@ -27,9 +27,10 @@ struct _SpKernelSymbolResolver
static GQuark linux_quark; static GQuark linux_quark;
static gchar * static gchar *
sp_kernel_symbol_resolver_resolve (SpSymbolResolver *resolver, sp_kernel_symbol_resolver_resolve_with_context (SpSymbolResolver *resolver,
guint64 time, guint64 time,
GPid pid, GPid pid,
SpAddressContext context,
SpCaptureAddress address, SpCaptureAddress address,
GQuark *tag) GQuark *tag)
{ {
@ -37,6 +38,9 @@ sp_kernel_symbol_resolver_resolve (SpSymbolResolver *resolver,
g_assert (SP_IS_SYMBOL_RESOLVER (resolver)); g_assert (SP_IS_SYMBOL_RESOLVER (resolver));
if (context != SP_ADDRESS_CONTEXT_KERNEL)
return NULL;
if (NULL != (sym = sp_kernel_symbol_from_address (address))) if (NULL != (sym = sp_kernel_symbol_from_address (address)))
{ {
*tag = linux_quark; *tag = linux_quark;
@ -49,7 +53,7 @@ sp_kernel_symbol_resolver_resolve (SpSymbolResolver *resolver,
static void static void
symbol_resolver_iface_init (SpSymbolResolverInterface *iface) symbol_resolver_iface_init (SpSymbolResolverInterface *iface)
{ {
iface->resolve = sp_kernel_symbol_resolver_resolve; iface->resolve_with_context = sp_kernel_symbol_resolver_resolve_with_context;
} }
G_DEFINE_TYPE_WITH_CODE (SpKernelSymbolResolver, G_DEFINE_TYPE_WITH_CODE (SpKernelSymbolResolver,