new file mode 100644
@@ -0,0 +1,10 @@
+/* { dg-additional-options "-DO_ACCMODE=42 -DO_RDONLY=0x1 -DO_WRONLY=010" } */
+
+#include "analyzer-decls.h"
+
+void test_sm_fd_constants (void)
+{
+ __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has value '42'" } */
+ __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has value '1'" } */
+ __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has value '8'" } */
+}
new file mode 100644
@@ -0,0 +1,15 @@
+#include "analyzer-decls.h"
+
+/* Various constants used by the fd state machine, as macros
+ that can't be handled. */
+
+#define O_RDONLY (1 << 0)
+#define O_WRONLY (1 << 1)
+#define O_ACCMODE (O_RDONLY | O_WRONLY)
+
+void test_sm_fd_constants (void)
+{
+ __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
+ __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
+ __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
+}
new file mode 100644
@@ -0,0 +1,15 @@
+#include "analyzer-decls.h"
+
+/* Various constants used by the fd state machine, as macros
+ that can't be handled. */
+
+#define O_ACCMODE(X) 42
+#define O_RDONLY(X) 0x1
+#define O_WRONLY(X) 010
+
+void test_sm_fd_constants (void)
+{
+ __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
+ __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
+ __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
+}
new file mode 100644
@@ -0,0 +1,14 @@
+#include "analyzer-decls.h"
+
+/* Various constants used by the fd state machine. */
+
+#define O_ACCMODE
+#define O_RDONLY
+#define O_WRONLY
+
+void test_sm_fd_constants (void)
+{
+ __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
+ __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
+ __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
+}
new file mode 100644
@@ -0,0 +1,21 @@
+/* { dg-additional-options "--param ggc-min-expand=0 --param ggc-min-heapsize=0" } */
+
+#include "analyzer-decls.h"
+
+/* Various constants used by the fd state machine. */
+
+#define O_ACCMODE 42
+#define O_RDONLY 0x1
+#define O_WRONLY 010
+
+void test_sm_fd_constants (void)
+{
+ __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has value '42'" } */
+ __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has value '1'" } */
+ __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has value '8'" } */
+}
+
+void test_unknown (void)
+{
+ __analyzer_dump_named_constant ("UNKNOWN"); /* { dg-warning "named constant 'UNKNOWN' has unknown value" } */
+}
new file mode 100644
@@ -0,0 +1,16 @@
+/* { dg-additional-options "-traditional-cpp" } */
+
+#include "analyzer-decls.h"
+
+/* Various constants used by the fd state machine. */
+
+#define O_ACCMODE 42
+#define O_RDONLY 0x1
+#define O_WRONLY 010
+
+void test_sm_fd_constants (void)
+{
+ __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
+ __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
+ __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
+}
new file mode 100644
@@ -0,0 +1,18 @@
+#include "analyzer-decls.h"
+
+/* Various constants used by the fd state machine. */
+
+#define O_ACCMODE 42
+#define O_RDONLY 0x1
+#define O_WRONLY 010
+
+#undef O_ACCMODE
+#undef O_RDONLY
+#undef O_WRONLY
+
+void test_sm_fd_constants (void)
+{
+ __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has unknown value" } */
+ __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has unknown value" } */
+ __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has unknown value" } */
+}
Successfully tested on x86_64-pc-linux-gnu. Pushed to trunk as r13-4115-gff199a859b2a95. gcc/testsuite/ChangeLog: * gcc.dg/analyzer/named-constants-via-command-line.c: New test. * gcc.dg/analyzer/named-constants-via-macros-3.c: New test. * gcc.dg/analyzer/named-constants-via-macros-4.c: New test. * gcc.dg/analyzer/named-constants-via-macros-empty.c: New test. * gcc.dg/analyzer/named-constants-via-macros-gc.c: New test. * gcc.dg/analyzer/named-constants-via-macros-traditional.c: New test. * gcc.dg/analyzer/named-constants-via-macros-undef.c: New test. Signed-off-by: David Malcolm <dmalcolm@redhat.com> --- .../named-constants-via-command-line.c | 10 +++++++++ .../analyzer/named-constants-via-macros-3.c | 15 +++++++++++++ .../analyzer/named-constants-via-macros-4.c | 15 +++++++++++++ .../named-constants-via-macros-empty.c | 14 +++++++++++++ .../analyzer/named-constants-via-macros-gc.c | 21 +++++++++++++++++++ .../named-constants-via-macros-traditional.c | 16 ++++++++++++++ .../named-constants-via-macros-undef.c | 18 ++++++++++++++++ 7 files changed, 109 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-command-line.c create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-3.c create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-4.c create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-empty.c create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-gc.c create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-traditional.c create mode 100644 gcc/testsuite/gcc.dg/analyzer/named-constants-via-macros-undef.c