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[PR/24474] Add gdb.lookup_static_symbol to the python API

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Similar to lookup_global_symbol, except that it checks the
STATIC_SCOPE.

gdb/ChangeLog:

2019-07-30  Christian Biesinger  <cbiesinger@google.com>

	PR/24474: Add a function to lookup static variables.
	* NEWS: Mention this new function.
	* python/py-symbol.c (gdbpy_lookup_static_symbol): New function.
	* python/python-internal.h (gdbpy_lookup_static_symbol): New function.
	* python/python.c (python_GdbMethods): Add new function.

gdb/doc/ChangeLog:

2019-07-30  Christian Biesinger  <cbiesinger@google.com>

	* python.texi (Symbols In Python): Document new function
	gdb.lookup_static_symbol.

gdb/testsuite/ChangeLog:

2019-07-30  Christian Biesinger  <cbiesinger@google.com>

	* gdb.python/py-symbol.c: Add a static variable and one in an anonymous
	namespace.
	* gdb.python/py-symbol.exp: Test gdb.lookup_static_symbol.
This commit is contained in:
Christian Biesinger 2019-07-30 11:04:37 -05:00
parent 5c4dde850c
commit 2906593ffe
10 changed files with 116 additions and 0 deletions
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5
gdb/testsuite/gdb.python/py-symbol.c
View file

@ -32,9 +32,14 @@ class SimpleClass
return i; /* Break in class. */
}
};
namespace {
int anon = 10;
};
#endif
int qq = 72; /* line of qq */
static int rr = 42; /* line of rr */
int func (int arg)
{

24
gdb/testsuite/gdb.python/py-symbol.exp
View file

@ -48,6 +48,25 @@ gdb_test "python print (gdb.lookup_global_symbol('qq').needs_frame)" \
"False" \
"print whether qq needs a frame"
set rr_line [gdb_get_line_number "line of rr"]
gdb_test "python print (gdb.lookup_global_symbol ('rr') is None)" "True" \
"lookup_global_symbol for static var"
gdb_test "python print (gdb.lookup_static_symbol ('rr').line)" "$rr_line" \
"print line number of rr"
gdb_test "python print (gdb.lookup_static_symbol ('rr').value ())" "42" \
"print value of rr"
gdb_test "python print (gdb.lookup_static_symbol ('rr').needs_frame)" \
"False" \
"print whether rr needs a frame"
gdb_test "python print (gdb.lookup_static_symbol ('nonexistent') is None)" \
"True" "lookup_static_symbol for nonexistent var"
gdb_test "python print (gdb.lookup_static_symbol ('qq') is None)" \
"True" "lookup_static_symbol for global var"
if ![runto_main] then {
fail "can't run to main"
@ -137,6 +156,11 @@ gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}-cxx
gdb_test "python print (gdb.lookup_global_symbol ('(anonymous namespace)::anon') is None)" \
"True" "anon is None"
gdb_test "python print (gdb.lookup_static_symbol ('(anonymous namespace)::anon').value ())" \
"10" "print value of anon"
if ![runto_main] then {
fail "can't run to main"
return 0