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authorPedro Alves <palves@redhat.com>2018-11-21 11:55:11 +0000
committerPedro Alves <palves@redhat.com>2018-11-21 11:55:11 +0000
commite71585ffe2e1394858f0fcf809e86f1b324fe4e6 (patch)
treed548d05790bc95d86fb29cde3a7ddde7a0b391f8 /gdb/python
parent1b288e9bbfc6f22277ef7f804aeca26e991ad0a8 (diff)
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Use gdb:array_view in call_function_by_hand & friends
This replaces a few uses of pointer+length with gdb::array_view, in call_function_by_hand and related code. Unfortunately, due to -Wnarrowing, there are places where we can't brace-initialize an gdb::array_view without an ugly-ish cast. To avoid the cast, this patch introduces a gdb::make_array_view function. Unit tests included. This patch in isolation may not look so interesting, due to gdb::make_array_view uses, but I think it's still worth it. Some of the gdb::make_array_view calls disappear down the series, and others could be eliminated with more (non-trivial) gdb::array_view detangling/conversion (e.g. code around eval_call). See this as a "we have to start somewhere" patch. gdb/ChangeLog: 2018-11-21 Pedro Alves <palves@redhat.com> * ada-lang.c (ada_evaluate_subexp): Adjust to pass an array_view. * common/array-view.h (make_array_view): New. * compile/compile-object-run.c (compile_object_run): Adjust to pass an array_view. * elfread.c (elf_gnu_ifunc_resolve_addr): Adjust. * eval.c (eval_call): Adjust to pass an array_view. (evaluate_subexp_standard): Adjust to pass an array_view. * gcore.c (call_target_sbrk): Adjust to pass an array_view. * guile/scm-value.c (gdbscm_value_call): Likewise. * infcall.c (push_dummy_code): Replace pointer + size parameters with an array_view parameter. (call_function_by_hand, call_function_by_hand_dummy): Likewise and adjust. * infcall.h: Include "common/array-view.h". (call_function_by_hand, call_function_by_hand_dummy): Replace pointer + size parameters with an array_view parameter. * linux-fork.c (inferior_call_waitpid): Adjust to use array_view. * linux-tdep.c (linux_infcall_mmap): Likewise. * objc-lang.c (lookup_objc_class, lookup_child_selector) (value_nsstring, print_object_command): Likewise. * python/py-value.c (valpy_call): Likewise. * rust-lang.c (rust_evaluate_funcall): Likewise. * spu-tdep.c (flush_ea_cache): Likewise. * valarith.c (value_x_binop, value_x_unop): Likewise. * valops.c (value_allocate_space_in_inferior): Likewise. * unittests/array-view-selftests.c (run_tests): Add gdb::make_array_view test.
Diffstat (limited to 'gdb/python')
-rw-r--r--gdb/python/py-value.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gdb/python/py-value.c b/gdb/python/py-value.c
index fe2adcc..d21c2fa 100644
--- a/gdb/python/py-value.c
+++ b/gdb/python/py-value.c
@@ -917,10 +917,10 @@ valpy_call (PyObject *self, PyObject *args, PyObject *keywords)
TRY
{
scoped_value_mark free_values;
- struct value *return_value;
- return_value = call_function_by_hand (function, NULL,
- args_count, vargs);
+ value *return_value
+ = call_function_by_hand (function, NULL,
+ gdb::make_array_view (vargs, args_count));
result = value_to_value_object (return_value);
}
CATCH (except, RETURN_MASK_ALL)