diff options
Diffstat (limited to 'tapsets.cxx')
| -rw-r--r-- | tapsets.cxx | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/tapsets.cxx b/tapsets.cxx index 51e2917f..daf6cb2b 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -48,7 +48,6 @@ extern "C" { #include <stdio.h> #include <sys/types.h> -#include "loc2c.h" #define __STDC_FORMAT_MACROS #include <inttypes.h> } @@ -2335,6 +2334,9 @@ dwarf_var_expanding_visitor::visit_target_symbol (target_symbol *e) if (dwarf_getscopes_die (scope_die, &scopes) == 0) return; + if (e->addressof) + throw semantic_error("cannot take address of context variable", e->tok); + target_symbol *tsym = new target_symbol; print_format* pf = new print_format; @@ -3365,6 +3367,9 @@ sdt_var_expanding_visitor::visit_target_symbol (target_symbol *e) { if (e->base_name == "$$name") { + if (e->addressof) + throw semantic_error("cannot take address of sdt variable", e->tok); + literal_string *myname = new literal_string (probe_name); myname->tok = e->tok; provide(myname); @@ -3418,6 +3423,9 @@ sdt_var_expanding_visitor::visit_target_symbol (target_symbol *e) if (e->components.empty()) { + if (e->addressof) + throw semantic_error("cannot take address of sdt variable", e->tok); + provide(fc); return; } @@ -5050,6 +5058,9 @@ tracepoint_var_expanding_visitor::visit_target_symbol_arg (target_symbol* e) if (e->components.empty()) { + if (e->addressof) + throw semantic_error("cannot take address of tracepoint variable", e->tok); + // Just grab the value from the probe locals e->probe_context_var = "__tracepoint_arg_" + arg->name; e->type = pe_long; @@ -5149,6 +5160,9 @@ tracepoint_var_expanding_visitor::visit_target_symbol_arg (target_symbol* e) void tracepoint_var_expanding_visitor::visit_target_symbol_context (target_symbol* e) { + if (e->addressof) + throw semantic_error("cannot take address of context variable", e->tok); + if (is_active_lvalue (e)) throw semantic_error("write to tracepoint '" + e->base_name + "' not permitted", e->tok); |